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Merge branch 'master' (43be383c86) into k7-drtio

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Harry Ho 2020-12-31 13:30:46 +08:00
parent dc7addf394 43be383c86
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604 changed files with 44003 additions and 30033 deletions
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artiq/_version.py export-subst

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---
name: Bug report
about: Report a bug in ARTIQ
---
<!-- Above are non-Markdown tags for Github auto-prompting issue type. Template based on pylint: https://raw.githubusercontent.com/PyCQA/pylint/master/.github/ISSUE_TEMPLATE/ -->
# Bug Report
<!-- Thanks for reporting a bug report to ARTIQ! You can also discuss issues and ask questions on IRC (the [#m-labs channel on freenode](https://webchat.freenode.net/?channels=m-labs) or on the [forum](https://forum.m-labs.hk). Please check Github/those forums to avoid posting a repeat issue.
Context helps us fix issues faster, so please include the following when relevant:
-->
## One-Line Summary
Short summary.
## Issue Details
### Steps to Reproduce
1. Step 1.
2. Step 2.
3. Step 3.
### Expected Behavior
Behavior
### Actual (undesired) Behavior
* Text description
* Log message, tracebacks, screen shots where relevant
### Your System (omit irrelevant parts)
* Operating System:
* ARTIQ version: (with recent versions of ARTIQ, run ``artiq_client --version``)
* Version of the gateware and runtime loaded in the core device: (in the output of ``artiq_coremgmt -D .... log``)
* If using Conda, output of `conda list` (please submit as a file attachment, as this tends to be long)
* Hardware involved:
<!--
For in-depth information on bug reporting, see:
http://www.chiark.greenend.org.uk/~sgtatham/bugs.html https://developer.mozilla.org/en-US/docs/Mozilla/QA/Bug_writing_guidelines
-->

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---
name: Feature request
about: Suggest an idea for ARTIQ
---
<!--
Hi there! Thank you for wanting to make ARTIQ better.
Before you submit this, make sure that this feature wasn't
already requested or if it is not already implemented in the master branch.
Based on pylint: https://raw.githubusercontent.com/PyCQA/pylint/master/.github/ISSUE_TEMPLATE/2_Feature_request.md
-->
# ARTIQ Feature Request
## Problem this request addresses
A clear and concise description of what the problem is.
## Describe the solution you'd like
A clear and concise description of what you want to happen.
## Additional context
Add any other context about the feature request here.

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---
name: Support question
about: Questions about ARTIQ that are not covered in the documentation
---
# Question
<!--
Make sure you check the ARTIQ documentation before posting a question.
Don't forget you can search it!
Beta version: https://m-labs.hk/artiq/manual-beta/
Stable version: https://m-labs.hk/artiq/manual/
The forum is also a very good place for questions: https://forum.m-labs.hk/
Can also ask on IRC: https://webchat.freenode.net/?channels=m-labs or
check mailing list archives: https://ssl.serverraum.org/lists-archive/artiq/
Remember: if you have this question then others probably do too! The best way of thanking the people who help you with this issue is to contribute to ARTIQ by submitting a pull request to update the documentation.
-->
## Category: FILL_IN
<!-- One-word category this question falls into: GUI, installation/setup, devices, development, documentation, etc. -->
## Description
Question text

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<!--
Thank you for submitting a PR to ARTIQ!
To ease the process of reviewing your PR, do make sure to complete the following boxes.
You can also read more about contributing to ARTIQ in this document:
https://github.com/m-labs/artiq/blob/master/CONTRIBUTING.rst#contributing-code
Based on https://raw.githubusercontent.com/PyCQA/pylint/master/.github/PULL_REQUEST_TEMPLATE.md
-->
# ARTIQ Pull Request
## Description of Changes
### Related Issue
<!--
If this PR fixes a particular issue, use the following to automatically close that issue
once this PR gets merged:
Closes #XXX
-->
## Type of Changes
<!-- Leave ONLY the corresponding lines for the applicable type of change: -->
| | Type |
| ------------- | ------------- |
| ✓ | :bug: Bug fix |
| ✓ | :sparkles: New feature |
| ✓ | :hammer: Refactoring |
| ✓ | :scroll: Docs |
## Steps (Choose relevant, delete irrelevant before submitting)
### All Pull Requests
- [x] Use correct spelling and grammar.
- [ ] Update [RELEASE_NOTES.rst](../RELEASE_NOTES.rst) if there are noteworthy changes, especially if there are changes to existing APIs.
- [ ] Close/update issues.
- [ ] Check the copyright situation of your changes and sign off your patches (`git commit --signoff`, see [copyright](../CONTRIBUTING.rst#copyright-and-sign-off)).
### Code Changes
- [ ] Run `flake8` to check code style (follow PEP-8 style). `flake8` has issues with parsing Migen/gateware code, ignore as necessary.
- [ ] Test your changes or have someone test them. Mention what was tested and how.
- [ ] Add and check docstrings and comments
- [ ] Check, test, and update the [unittests in /artiq/test/](../artiq/test/) or [gateware simulations in /artiq/gateware/test](../artiq/gateware/test)
### Documentation Changes
- [ ] Check, test, and update the documentation in [doc/](../doc/). Build documentation (`cd doc/manual/; make html`) to ensure no errors.
### Git Logistics
- [ ] Split your contribution into logically separate changes (`git rebase --interactive`). Merge/squash/fixup commits that just fix or amend previous commits. Remove unintended changes & cleanup. See [tutorial](https://www.atlassian.com/git/tutorials/rewriting-history/git-rebase).
- [ ] Write short & meaningful commit messages. Review each commit for messages (`git show`). Format:
```
topic: description. < 50 characters total.
Longer description. < 70 characters per line
```
### Licensing
See [copyright & licensing for more info](https://github.com/m-labs/artiq/blob/master/CONTRIBUTING.rst#copyright-and-sign-off).
ARTIQ files that do not contain a license header are copyrighted by M-Labs Limited and are licensed under LGPLv3+.

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*.elf
*.fbi
*.pcap
*.prof
.ipynb_checkpoints
/doc/manual/_build
/build
@ -17,6 +18,7 @@ __pycache__/
/artiq/binaries
/artiq/firmware/target/
/misoc_*/
/artiq_*/
/artiq/test/results
/artiq/examples/*/results

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python:
version: 3
pip_install: false
conda:
file: conda/artiq-doc.yaml

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CONTRIBUTING.rst
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@ -8,8 +8,8 @@ Reporting Issues/Bugs
Thanks for `reporting issues to ARTIQ
<https://github.com/m-labs/artiq/issues/new>`_! You can also discuss issues and
ask questions on IRC (the `#m-labs channel on freenode
<https://webchat.freenode.net/?channels=m-labs>`_) or on the `mailing list
<https://ssl.serverraum.org/lists/listinfo/artiq>`_.
<https://webchat.freenode.net/?channels=m-labs>`_), the `Mattermost chat
<https://chat.m-labs.hk>`_, or on the `forum <https://forum.m-labs.hk>`_.
The best bug reports are those which contain sufficient information. With
accurate and comprehensive context, an issue can be resolved quickly and
@ -17,19 +17,20 @@ efficiently. Please consider adding the following data to your issue
report if possible:
* A clear and unique summary that fits into one line. Also check that
this issue has not jet been reported. If it has, add additional information there.
this issue has not yet been reported. If it has, add additional information there.
* Precise steps to reproduce (list of actions that leads to the issue)
* Expected behavior (what should happen)
* Actual behavior (what happens instead)
* Logging message, trace backs, screen shots where relevant
* Components involved:
* Components involved (omit irrelevant parts):
* Operating system
* Conda version
* ARTIQ version (package or git commit id, versions for bitstream, BIOS,
runtime and host software)
* Operating System
* ARTIQ version (with recent versions of ARTIQ, run ``artiq_client --version``)
* Version of the gateware and runtime loaded in the core device (in the output of ``artiq_coremgmt -D .... log``)
* If using Conda, output of `conda list`
* Hardware involved
For in-depth information on bug reporting, see:
http://www.chiark.greenend.org.uk/~sgtatham/bugs.html
@ -42,10 +43,31 @@ Contributing Code
ARTIQ welcomes contributions. Write bite-sized patches that can stand alone,
clean them up, write proper commit messages, add docstrings and unittests. Then
``git rebase`` them onto the current master or merge the current master. Verify
that the testsuite passes. Then prepare a pull request or send patches to the
`mailing list <https://ssl.serverraum.org/lists/listinfo/artiq>`_ to be
discussed. Expect your contribution to be held up to coding standards (e.g. use
``flake8`` to check yourself).
that the testsuite passes. Then submit a pull request. Expect your contribution
to be held up to coding standards (e.g. use ``flake8`` to check yourself).
Checklist for Code Contributions
--------------------------------
- Test your changes or have someone test them. Mention what was tested and how.
- Use correct spelling and grammar. Use your code editor to help you with
syntax, spelling, and style
- Style: PEP-8 (``flake8``)
- Add, check docstrings and comments
- Split your contribution into logically separate changes (``git rebase
--interactive``). Merge (squash, fixup) commits that just fix previous commits
or amend them. Remove unintended changes. Clean up your commits.
- Check the copyright situation of your changes and sign off your patches
(``git commit --signoff``, see also below)
- Write meaningful commit messages containing the area of the change
and a concise description (50 characters or less) in the first line.
Describe everything else in the long explanation.
- Review each of your commits for the above items (``git show``)
- Update ``RELEASE_NOTES.md`` if there are noteworthy changes, especially if
there are changes to existing APIs
- Check, test, and update the documentation in `doc/`
- Check, test, and update the unittests
- Close and/or update issues
Copyright and Sign-Off
----------------------
@ -95,4 +117,4 @@ then you just add a line saying
using your legal name (sorry, no pseudonyms or anonymous contributions.)
ARTIQ files that do not contain a license header are copyrighted by M-Labs Limited
and are licensed under GNU GPL version 3.
and are licensed under GNU LGPL version 3 or later.

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Release process
===============
Maintain ``RELEASE_NOTES.rst`` with a list of new features and API changes in each major release.
Major releases
--------------
1. Create branch release-X from master.
2. Tag the next commit in master X+1.0.dev.
3. Ensure that release versions of all packages required are available under the ``main`` label in conda. Ensure that new packages in ``main`` do not break older ARTIQ releases.
4. In the release-X branch, remove any unfinished features.
5. Test and fix any problems found. Apply fixes to both master and release-X.
6. If you have willing testers for release candidates, tag X.0rc1 in the release-X branch (generally use signed annotated tags, i.e. ``git tag -sa X.0rc1``), have it build, and point testers there. Iterate over the previous points with new release candidates if necessary.
7. Tag X.0 in the release-X branch, build it, and copy its packages to ``main`` channel.
8. Mint a new DOI from Zenodo and update the README/introduction.
9. Update the m-labs.hk/artiq/manual redirect to point to m-labs.hk/artiq/manual-release-X (edit /artiq/.htaccess).
10. "Draft a new release" and close the milestone on GitHub.
11. Deprecate the old release documentation with a banner in
doc/manual/_templates/layout.html in the old ``release-(X-1)`` branch.
Minor (bugfix) releases
-----------------------
1. Backport bugfixes from the master branch or fix bugs specific to old releases into the currently maintained release-X branch(es).
2. When significant bugs have been fixed, tag X.Y+1.
3. To help dealing with regressions, no new features or refactorings should be implemented in release-X branches. Those happen in the master branch, and then a new release-X+1 branch is created.
4. "Draft a new release" and close the milestone on GitHub.
Sharing development boards
==========================
To avoid conflicts for development boards on the server, while using a board you must hold the corresponding lock file present in ``/run/board``. Holding the lock file grants you exclusive access to the board.
To avoid conflicts for development boards on the server, while using a board you must hold the corresponding lock file present in the ``/tmp`` folder of the machine to which the board is connected. Holding the lock file grants you exclusive access to the board.
To lock the KC705 for 30 minutes or until Ctrl-C is pressed:
For example, to lock the KC705 until ENTER is pressed:
::
flock --verbose /run/boards/kc705 sleep 1800
Check that the command acquires the lock, i.e. prints something such as:
::
flock: getting lock took 0.000003 seconds
flock: executing sleep
To lock the KC705 for the duration of the execution of a shell:
::
flock /run/boards/kc705 bash
You may also use this script:
::
#!/bin/bash
exec flock /run/boards/$1 bash --rcfile <(cat ~/.bashrc; echo PS1=\"[$1\ lock]\ \$PS1\")
ssh rpi-1.m-labs.hk "flock /tmp/board_lock-kc705-1 -c 'echo locked; read; echo unlocked'"
If the board is already locked by another user, the ``flock`` commands above will wait for the lock to be released.
To determine which user is locking a board, use:
To determine which user is locking a board, use a command such as:
::
fuser -v /run/boards/kc705
Selecting a development board with artiq_flash
==============================================
Use the ``bus:port`` notation::
artiq_flash --preinit-command "ftdi_location 5:2" # Sayma 1
artiq_flash --preinit-command "ftdi_location 3:10" # Sayma 2
artiq_flash --preinit-command "ftdi_location 5:1" # Sayma 3
ssh rpi-1.m-labs.hk "fuser -v /tmp/board_lock-kc705-1"
Deleting git branches

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.. image:: https://raw.githubusercontent.com/m-labs/artiq/master/doc/logo/artiq.png
:target: https://m-labs.hk/artiq
ARTIQ (Advanced Real-Time Infrastructure for Quantum physics) is the next-generation control system for quantum information experiments.
It is maintained and developed by `M-Labs <https://m-labs.hk>`_ and the initial development was for and in partnership with the `Ion Storage Group at NIST <https://www.nist.gov/pml/time-and-frequency-division/ion-storage>`_. ARTIQ is free software and offered to the entire research community as a solution equally applicable to other challenging control tasks, including outside the field of ion trapping. Several other laboratories (e.g. at the University of Oxford, the Army Research Lab, and the University of Maryland) have later adopted ARTIQ as their control system and have contributed to it.
ARTIQ (Advanced Real-Time Infrastructure for Quantum physics) is a leading-edge control and data acquisition system for quantum information experiments.
It is maintained and developed by `M-Labs <https://m-labs.hk>`_ and the initial development was for and in partnership with the `Ion Storage Group at NIST <https://www.nist.gov/pml/time-and-frequency-division/ion-storage>`_. ARTIQ is free software and offered to the entire research community as a solution equally applicable to other challenging control tasks, including outside the field of ion trapping. Many laboratories around the world have adopted ARTIQ as their control system, with over a hundred Sinara hardware crates deployed, and some have `contributed <https://m-labs.hk/experiment-control/funding/>`_ to it.
The system features a high-level programming language that helps describing complex experiments, which is compiled and executed on dedicated hardware with nanosecond timing resolution and sub-microsecond latency. It includes graphical user interfaces to parametrize and schedule experiments and to visualize and explore the results.
ARTIQ uses FPGA hardware to perform its time-critical tasks.
It is designed to be portable to hardware platforms from different vendors and FPGA manufacturers.
Currently, several different configurations of a `high-end FPGA evaluation kit <http://www.xilinx.com/products/boards-and-kits/ek-k7-kc705-g.html>`_ are used and supported. This FPGA platform can be combined with any number of additional peripherals, either already accessible from ARTIQ or made accessible with little effort.
ARTIQ uses FPGA hardware to perform its time-critical tasks. The `Sinara hardware <https://github.com/sinara-hw>`_, and in particular the Kasli FPGA carrier, is designed to work with ARTIQ.
ARTIQ is designed to be portable to hardware platforms from different vendors and FPGA manufacturers.
Several different configurations of a `FPGA evaluation kit <https://www.xilinx.com/products/boards-and-kits/ek-k7-kc705-g.html>`_ and of a `Zynq evaluation kit <https://www.xilinx.com/products/boards-and-kits/ek-z7-zc706-g.html>`_ are also used and supported. FPGA platforms can be combined with any number of additional peripherals, either already accessible from ARTIQ or made accessible with little effort.
Custom hardware components with widely extended capabilities and advanced support for scalable and fully distributed real-time control of experiments `are being designed <https://github.com/m-labs/sinara>`_.
ARTIQ and its dependencies are available in the form of `conda packages <https://conda.anaconda.org/m-labs/label/main>`_ for both Linux and Windows.
ARTIQ and its dependencies are available in the form of Nix packages (for Linux) and Conda packages (for Windows and Linux). See `the manual <https://m-labs.hk/experiment-control/resources/>`_ for installation instructions.
Packages containing pre-compiled binary images to be loaded onto the hardware platforms are supplied for each configuration.
Like any open source software ARTIQ can equally be built and installed directly from `source <https://github.com/m-labs/artiq>`_.
ARTIQ is supported by M-Labs and developed openly.
Components, features, fixes, improvements, and extensions are funded by and developed for the partnering research groups.
Components, features, fixes, improvements, and extensions are often `funded <https://m-labs.hk/experiment-control/funding/>`_ by and developed for the partnering research groups.
Technologies employed include `Python <https://www.python.org/>`_, `Migen <https://github.com/m-labs/migen>`_, `MiSoC <https://github.com/m-labs/misoc>`_/`mor1kx <https://github.com/openrisc/mor1kx>`_, `LLVM <http://llvm.org/>`_/`llvmlite <https://github.com/numba/llvmlite>`_, and `Qt5 <http://www.qt.io/>`_.
Core technologies employed include `Python <https://www.python.org/>`_, `Migen <https://github.com/m-labs/migen>`_, `Migen-AXI <https://github.com/peteut/migen-axi>`_, `Rust <https://www.rust-lang.org/>`_, `MiSoC <https://github.com/m-labs/misoc>`_/`mor1kx <https://github.com/openrisc/mor1kx>`_, `LLVM <https://llvm.org/>`_/`llvmlite <https://github.com/numba/llvmlite>`_, and `Qt5 <https://www.qt.io/>`_.
Website: https://m-labs.hk/artiq
@ -31,7 +29,7 @@ Website: https://m-labs.hk/artiq
License
=======
Copyright (C) 2014-2017 M-Labs Limited.
Copyright (C) 2014-2020 M-Labs Limited.
ARTIQ is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@ -50,9 +48,10 @@ The ARTIQ manifesto
===================
The free and open dissemination of methods and results is central to scientific progress.
The ARTIQ authors, contributors, and supporters consider the free and open exchange of scientific tools to be equally important and have chosen the licensing terms of ARTIQ accordingly.
ARTIQ, including its gateware, the firmware, and the ARTIQ tools and libraries are licensed as LGPLv3+.
This ensures that a user of ARTIQ obtains broad rights to use, redistribute, and modify it.
The ARTIQ and Sinara authors, contributors, and supporters consider the free and open exchange of scientific tools to be equally important and have chosen the licensing terms of ARTIQ and Sinara accordingly. ARTIQ, including its gateware, the firmware, and the ARTIQ tools and libraries are licensed as LGPLv3+. The Sinara hardware designs are licensed under CERN OHL.
This ensures that a user of ARTIQ or Sinara hardware designs obtains broad rights to use, redistribute, study, and modify them.
The following statements are intended to clarify the interpretation and application of the licensing terms:
* There is no requirement to distribute any unmodified, modified, or extended versions of ARTIQ. Only when distributing ARTIQ the source needs to be made available.

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Release notes
=============
4.0 (unreleased)
----------------
ARTIQ-6
-------
Highlights:
* New hardware support:
- Zynq SoC core devices, enabling kernels to run on 1 GHz CPU core with a floating-point
unit for faster computations. This currently requires an external
repository (https://git.m-labs.hk/m-labs/artiq-zynq) and only supports the ZC706.
- Mirny 4-channel wide-band PLL/VCO-based microwave frequency synthesiser
- Fastino 32-channel, 3MS/s per channel, 16-bit DAC EEM
- Kasli 2.0
* ARTIQ Python (core device kernels):
- Multidimensional arrays are now available on the core device, using NumPy syntax.
Elementwise operations (e.g. ``+``, ``/``), matrix multiplication (``@``) and
multidimensional indexing are supported; slices and views are not yet.
- Trigonometric and other common math functions from NumPy are now available on the
core device (e.g. ``numpy.sin``), both for scalar arguments and implicitly
broadcast across multidimensional arrays.
- Failed assertions now raise ``AssertionError``\ s instead of aborting kernel
execution.
* Performance improvements:
- SERDES TTL inputs can now detect edges on pulses that are shorter
than the RTIO period (https://github.com/m-labs/artiq/issues/1432)
- Improved performance for kernel RPC involving list and array.
* Coredevice SI to mu conversions now always return valid codes, or raise a ``ValueError``.
* Zotino now exposes ``voltage_to_mu()``
* ``ad9910``: The maximum amplitude scale factor is now ``0x3fff`` (was ``0x3ffe``
before).
* Dashboard:
- Applets now restart if they are running and a ccb call changes their spec
- A "Quick Open" dialog to open experiments by typing part of their name can
be brought up Ctrl-P (Ctrl+Return to immediately submit the selected entry
with the default arguments).
* Experiment results are now always saved to HDF5, even if run() fails.
* Core device: ``panic_reset 1`` now correctly resets the kernel CPU as well if
communication CPU panic occurs.
* NumberValue accepts a ``type`` parameter specifying the output as ``int`` or ``float``
* A parameter ``--identifier-str`` has been added to many targets to aid
with reproducible builds.
* Python 3.7 support in Conda packages.
Breaking changes:
* ``artiq_netboot`` has been moved to its own repository at
https://git.m-labs.hk/m-labs/artiq-netboot
* Core device watchdogs have been removed.
* The ARTIQ compiler now implements arrays following NumPy semantics, rather than as a
thin veneer around lists. Most prior use cases of NumPy arrays in kernels should work
unchanged with the new implementation, but the behavior might differ slightly in some
cases (for instance, non-rectangular arrays are not currently supported).
* ``quamash`` has been replaced with ``qasync``.
ARTIQ-5
-------
Highlights:
* Performance improvements:
- Faster RTIO event submission (1.5x improvement in pulse rate test)
See: https://github.com/m-labs/artiq/issues/636
- Faster compilation times (3 seconds saved on kernel compilation time on a typical
medium-size experiment)
See: https://github.com/m-labs/artiq/commit/611bcc4db4ed604a32d9678623617cd50e968cbf
* Improved packaging and build system:
- new continuous integration/delivery infrastructure based on Nix and Hydra,
providing reproducibility, speed and independence.
- rolling release process (https://github.com/m-labs/artiq/issues/1326).
- firmware, gateware and device database templates are automatically built for all
supported Kasli variants.
- new JSON description format for generic Kasli systems.
- Nix packages are now supported.
- many Conda problems worked around.
- controllers are now out-of-tree.
- split packages that enable lightweight applications that communicate with ARTIQ,
e.g. controllers running on non-x86 single-board computers.
* Improved Urukul support:
- AD9910 RAM mode.
- Configurable refclk divider and PLL bypass.
- More reliable phase synchronization at high sample rates.
- Synchronization calibration data can be read from EEPROM.
* A gateware-level input edge counter has been added, which offers higher
throughput and increased flexibility over the usual TTL input PHYs where
edge timestamps are not required. See ``artiq.coredevice.edge_counter`` for
the core device driver and ``artiq.gateware.rtio.phy.edge_counter``/
``artiq.gateware.eem.DIO.add_std`` for the gateware components.
* With DRTIO, Siphaser uses a better calibration mechanism.
See: https://github.com/m-labs/artiq/commit/cc58318500ecfa537abf24127f2c22e8fe66e0f8
* Schedule updates can be sent to influxdb (artiq_influxdb_schedule).
* Experiments can now programatically set their default pipeline, priority, and flush flag.
* List datasets can now be efficiently appended to from experiments using
``artiq.language.environment.HasEnvironment.append_to_dataset``.
* The core device now supports IPv6.
* To make development easier, the bootloader can receive firmware and secondary FPGA
gateware from the network.
* Python 3.7 compatibility (Nix and source builds only, no Conda).
* Various other bugs from 4.0 fixed.
* Preliminary Sayma v2 and Metlino hardware support.
Breaking changes:
* The ``artiq.coredevice.ad9910.AD9910`` and
``artiq.coredevice.ad9914.AD9914`` phase reference timestamp parameters
have been renamed to ``ref_time_mu`` for consistency, as they are in machine
units.
* The controller manager now ignores device database entries without the
``command`` key set to facilitate sharing of devices between multiple
masters.
* The meaning of the ``-d/--dir`` and ``--srcbuild`` options of ``artiq_flash``
has changed.
* Controllers for third-party devices are now out-of-tree.
* ``aqctl_corelog`` now filters log messages below the ``WARNING`` level by default.
This behavior can be changed using the ``-v`` and ``-q`` options like the other
programs.
* On Kasli the firmware now starts with a unique default MAC address
from EEPROM if `mac` is absent from the flash config.
* The ``-e/--experiment`` switch of ``artiq_run`` and ``artiq_compile``
has been renamed ``-c/--class-name``.
* ``artiq_devtool`` has been removed.
* Much of ``artiq.protocols`` has been moved to a separate package ``sipyco``.
``artiq_rpctool`` has been renamed to ``sipyco_rpctool``.
ARTIQ-4
-------
4.0
***
* The ``artiq.coredevice.ttl`` drivers no longer track the timestamps of
submitted events in software, requiring the user to explicitly specify the
timeout for ``count()``/``timestamp_mu()``. Support for ``sync()`` has been dropped.
Now that RTIO has gained DMA support, there is no longer a reliable way for
the kernel CPU to track the individual events submitted on any one channel.
Requiring the timeouts to be specified explicitly ensures consistent API
behavior. To make this more convenient, the ``TTLInOut.gate_*()`` functions
now return the cursor position at the end of the gate, e.g.::
ttl_input.count(ttl_input.gate_rising(100 * us))
In most situations – that is, unless the timeline cursor is rewound after the
respective ``gate_*()`` call – simply passing ``now_mu()`` is also a valid
upgrade path::
ttl_input.count(now_mu())
The latter might use up more timeline slack than necessary, though.
In place of ``TTL(In)Out.sync``, the new ``Core.wait_until_mu()`` method can
be used, which blocks execution until the hardware RTIO cursor reaches the
given timestamp::
ttl_output.pulse(10 * us)
self.core.wait_until_mu(now_mu())
* RTIO outputs use a new architecture called Scalable Event Dispatcher (SED),
which allows building systems with large number of RTIO channels more
efficiently.
From the user perspective, collision errors become asynchronous, and non-
monotonic timestamps on any combination of channels are generally allowed
(instead of producing sequence errors).
RTIO inputs are not affected.
* The DDS channel number for the NIST CLOCK target has changed.
* The dashboard configuration files are now stored one-per-master, keyed by the
server address argument and the notify port.
* The master now has a ``--name`` argument. If given, the dashboard is labelled
with this name rather than the server address.
* ``artiq_flash --adapter`` has been changed to ``artiq_flash --variant``.
* ``artiq_flash`` targets Kasli by default. Use ``-t kc705`` to flash a KC705
instead.
* ``artiq_flash -m/--adapter`` has been changed to ``artiq_flash -V/--variant``.
* The ``proxy`` action of ``artiq_flash`` is determined automatically and should
not be specified manually anymore.
* ``kc705_dds`` has been renamed ``kc705``.
* The ``-H/--hw-adapter`` option of ``kc705`` has been renamed ``-V/--variant``.
* SPI masters have been switched from misoc-spi to misoc-spi2. This affects
all out-of-tree RTIO core device drivers using those buses. See the various
commits on e.g. the ``ad53xx`` driver for an example how to port from the old
to the new bus.
* The ``ad5360`` coredevice driver has been renamed to ``ad53xx`` and the API
has changed to better support Zotino.
* ``artiq.coredevice.dds`` has been renamed to ``artiq.coredevice.ad9914`` and
simplified. DDS batch mode is no longer supported. The ``core_dds`` device
is no longer necessary.
* The configuration entry ``startup_clock`` is renamed ``rtio_clock``. Switching
clocks dynamically (i.e. without device restart) is no longer supported.
* ``set_dataset(..., save=True)`` has been renamed
``set_dataset(..., archive=True)``.
* On the AD9914 DDS, when switching to ``PHASE_MODE_CONTINUOUS`` from another mode,
use the returned value of the last ``set_mu`` call as the phase offset for
``PHASE_MODE_CONTINUOUS`` to avoid a phase discontinuity. This is no longer done
automatically. If one phase glitch when entering ``PHASE_MODE_CONTINUOUS`` is not
an issue, this recommendation can be ignored.
ARTIQ-3
-------
3.7
***
No further notes.
3.6
***
No further notes.
3.5
***
No further notes.
3.4
***
No further notes.
3.3
***
No further notes.
3.2
***
* To accommodate larger runtimes, the flash layout as changed. As a result, the
contents of the flash storage will be lost when upgrading. Set the values back
(IP, MAC address, startup kernel, etc.) after the upgrade.
3.1
---
***
No further notes.
3.0
---
***
* The ``--embed`` option of applets is replaced with the environment variable
``ARTIQ_APPLET_EMBED``. The GUI sets this enviroment variable itself and the
@ -74,50 +299,53 @@ No further notes.
* Packages are no longer available for 32-bit Windows.
ARTIQ-2
-------
2.5
---
***
No further notes.
2.4
---
***
No further notes.
2.3
---
***
* When using conda, add the conda-forge channel before installing ARTIQ.
2.2
---
***
No further notes.
2.1
---
***
No further notes.
2.0
---
***
No further notes.
2.0rc2
------
******
No further notes.
2.0rc1
------
******
* The format of the influxdb pattern file is simplified. The procedure to
edit patterns is also changed to modifying the pattern file and calling:
@ -166,39 +394,42 @@ No further notes.
receives a numpy type.
ARTIQ-1
-------
1.3
---
***
No further notes.
1.2
---
***
No further notes.
1.1
---
***
* TCA6424A.set converts the "outputs" value to little-endian before programming
it into the registers.
1.0
---
***
No further notes.
1.0rc4
------
******
* setattr_argument and setattr_device add their key to kernel_invariants.
1.0rc3
------
******
* The HDF5 format has changed.
@ -212,7 +443,7 @@ No further notes.
1.0rc2
------
******
* The CPU speed in the pipistrello gateware has been reduced from 83 1/3 MHz to
75 MHz. This will reduce the achievable sustained pulse rate and latency
@ -222,7 +453,7 @@ No further notes.
1.0rc1
------
******
* Experiments (your code) should use ``from artiq.experiment import *``
(and not ``from artiq import *`` as previously)

10
artiq/__init__.py
View File

@ -1,11 +1,7 @@
from ._version import get_versions
__version__ = get_versions()['version']
del get_versions
from ._version import get_version
__version__ = get_version()
del get_version
import os
__artiq_dir__ = os.path.dirname(os.path.abspath(__file__))
del os
from ._version import get_versions
__version__ = get_versions()['version']
del get_versions

529
artiq/_version.py
View File

@ -1,520 +1,13 @@
# This file helps to compute a version number in source trees obtained from
# git-archive tarball (such as those provided by githubs download-from-tag
# feature). Distribution tarballs (built by setup.py sdist) and build
# directories (produced by setup.py build) will contain a much shorter file
# that just contains the computed version number.
# This file is released into the public domain. Generated by
# versioneer-0.18 (https://github.com/warner/python-versioneer)
"""Git implementation of _version.py."""
import errno
import os
import re
import subprocess
import sys
def get_keywords():
"""Get the keywords needed to look up the version information."""
# these strings will be replaced by git during git-archive.
# setup.py/versioneer.py will grep for the variable names, so they must
# each be defined on a line of their own. _version.py will just call
# get_keywords().
git_refnames = "$Format:%d$"
git_full = "$Format:%H$"
git_date = "$Format:%ci$"
keywords = {"refnames": git_refnames, "full": git_full, "date": git_date}
return keywords
class VersioneerConfig:
"""Container for Versioneer configuration parameters."""
def get_config():
"""Create, populate and return the VersioneerConfig() object."""
# these strings are filled in when 'setup.py versioneer' creates
# _version.py
cfg = VersioneerConfig()
cfg.VCS = "git"
cfg.style = "pep440"
cfg.tag_prefix = ""
cfg.parentdir_prefix = "artiq-"
cfg.versionfile_source = "artiq/_version.py"
cfg.verbose = False
return cfg
class NotThisMethod(Exception):
"""Exception raised if a method is not valid for the current scenario."""
LONG_VERSION_PY = {}
HANDLERS = {}
def register_vcs_handler(vcs, method): # decorator
"""Decorator to mark a method as the handler for a particular VCS."""
def decorate(f):
"""Store f in HANDLERS[vcs][method]."""
if vcs not in HANDLERS:
HANDLERS[vcs] = {}
HANDLERS[vcs][method] = f
return f
return decorate
def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False,
env=None):
"""Call the given command(s)."""
assert isinstance(commands, list)
p = None
for c in commands:
try:
dispcmd = str([c] + args)
# remember shell=False, so use git.cmd on windows, not just git
p = subprocess.Popen([c] + args, cwd=cwd, env=env,
stdout=subprocess.PIPE,
stderr=(subprocess.PIPE if hide_stderr
else None))
break
except EnvironmentError:
e = sys.exc_info()[1]
if e.errno == errno.ENOENT:
continue
if verbose:
print("unable to run %s" % dispcmd)
print(e)
return None, None
else:
if verbose:
print("unable to find command, tried %s" % (commands,))
return None, None
stdout = p.communicate()[0].strip()
if sys.version_info[0] >= 3:
stdout = stdout.decode()
if p.returncode != 0:
if verbose:
print("unable to run %s (error)" % dispcmd)
print("stdout was %s" % stdout)
return None, p.returncode
return stdout, p.returncode
def versions_from_parentdir(parentdir_prefix, root, verbose):
"""Try to determine the version from the parent directory name.
Source tarballs conventionally unpack into a directory that includes both
the project name and a version string. We will also support searching up
two directory levels for an appropriately named parent directory
"""
rootdirs = []
for i in range(3):
dirname = os.path.basename(root)
if dirname.startswith(parentdir_prefix):
return {"version": dirname[len(parentdir_prefix):],
"full-revisionid": None,
"dirty": False, "error": None, "date": None}
else:
rootdirs.append(root)
root = os.path.dirname(root) # up a level
if verbose:
print("Tried directories %s but none started with prefix %s" %
(str(rootdirs), parentdir_prefix))
raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
@register_vcs_handler("git", "get_keywords")
def git_get_keywords(versionfile_abs):
"""Extract version information from the given file."""
# the code embedded in _version.py can just fetch the value of these
# keywords. When used from setup.py, we don't want to import _version.py,
# so we do it with a regexp instead. This function is not used from
# _version.py.
keywords = {}
try:
f = open(versionfile_abs, "r")
for line in f.readlines():
if line.strip().startswith("git_refnames ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["refnames"] = mo.group(1)
if line.strip().startswith("git_full ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["full"] = mo.group(1)
if line.strip().startswith("git_date ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["date"] = mo.group(1)
f.close()
except EnvironmentError:
pass
return keywords
@register_vcs_handler("git", "keywords")
def git_versions_from_keywords(keywords, tag_prefix, verbose):
"""Get version information from git keywords."""
if not keywords:
raise NotThisMethod("no keywords at all, weird")
date = keywords.get("date")
if date is not None:
# git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant
# datestamp. However we prefer "%ci" (which expands to an "ISO-8601
# -like" string, which we must then edit to make compliant), because
# it's been around since git-1.5.3, and it's too difficult to
# discover which version we're using, or to work around using an
# older one.
date = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
refnames = keywords["refnames"].strip()
if refnames.startswith("$Format"):
if verbose:
print("keywords are unexpanded, not using")
raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
refs = set([r.strip() for r in refnames.strip("()").split(",")])
# starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
# just "foo-1.0". If we see a "tag: " prefix, prefer those.
TAG = "tag: "
tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)])
if not tags:
# Either we're using git < 1.8.3, or there really are no tags. We use
# a heuristic: assume all version tags have a digit. The old git %d
# expansion behaves like git log --decorate=short and strips out the
# refs/heads/ and refs/tags/ prefixes that would let us distinguish
# between branches and tags. By ignoring refnames without digits, we
# filter out many common branch names like "release" and
# "stabilization", as well as "HEAD" and "master".
tags = set([r for r in refs if re.search(r'\d', r)])
if verbose:
print("discarding '%s', no digits" % ",".join(refs - tags))
if verbose:
print("likely tags: %s" % ",".join(sorted(tags)))
for ref in sorted(tags):
# sorting will prefer e.g. "2.0" over "2.0rc1"
if ref.startswith(tag_prefix):
r = ref[len(tag_prefix):]
if verbose:
print("picking %s" % r)
return {"version": r,
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": None,
"date": date}
# no suitable tags, so version is "0+unknown", but full hex is still there
if verbose:
print("no suitable tags, using unknown + full revision id")
return {"version": "0+unknown",
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": "no suitable tags", "date": None}
@register_vcs_handler("git", "pieces_from_vcs")
def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
"""Get version from 'git describe' in the root of the source tree.
This only gets called if the git-archive 'subst' keywords were *not*
expanded, and _version.py hasn't already been rewritten with a short
version string, meaning we're inside a checked out source tree.
"""
GITS = ["git"]
if sys.platform == "win32":
GITS = ["git.cmd", "git.exe"]
out, rc = run_command(GITS, ["rev-parse", "--git-dir"], cwd=root,
hide_stderr=True)
if rc != 0:
if verbose:
print("Directory %s not under git control" % root)
raise NotThisMethod("'git rev-parse --git-dir' returned error")
# if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
# if there isn't one, this yields HEX[-dirty] (no NUM)
describe_out, rc = run_command(GITS, ["describe", "--tags", "--dirty",
"--always", "--long", "--abbrev=8",
"--match", "%s*" % tag_prefix],
cwd=root)
# --long was added in git-1.5.5
if describe_out is None:
raise NotThisMethod("'git describe' failed")
describe_out = describe_out.strip()
full_out, rc = run_command(GITS, ["rev-parse", "HEAD"], cwd=root)
if full_out is None:
raise NotThisMethod("'git rev-parse' failed")
full_out = full_out.strip()
pieces = {}
pieces["long"] = full_out
pieces["short"] = full_out[:8] # maybe improved later
pieces["error"] = None
# parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
# TAG might have hyphens.
git_describe = describe_out
# look for -dirty suffix
dirty = git_describe.endswith("-dirty")
pieces["dirty"] = dirty
if dirty:
git_describe = git_describe[:git_describe.rindex("-dirty")]
# now we have TAG-NUM-gHEX or HEX
if "-" in git_describe:
# TAG-NUM-gHEX
mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
if not mo:
# unparseable. Maybe git-describe is misbehaving?
pieces["error"] = ("unable to parse git-describe output: '%s'"
% describe_out)
return pieces
# tag
full_tag = mo.group(1)
if not full_tag.startswith(tag_prefix):
if verbose:
fmt = "tag '%s' doesn't start with prefix '%s'"
print(fmt % (full_tag, tag_prefix))
pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
% (full_tag, tag_prefix))
return pieces
pieces["closest-tag"] = full_tag[len(tag_prefix):]
# distance: number of commits since tag
pieces["distance"] = int(mo.group(2))
# commit: short hex revision ID
pieces["short"] = mo.group(3)
else:
# HEX: no tags
pieces["closest-tag"] = None
count_out, rc = run_command(GITS, ["rev-list", "HEAD", "--count"],
cwd=root)
pieces["distance"] = int(count_out) # total number of commits
# commit date: see ISO-8601 comment in git_versions_from_keywords()
date = run_command(GITS, ["show", "-s", "--format=%ci", "HEAD"],
cwd=root)[0].strip()
pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
return pieces
def plus_or_dot(pieces):
"""Return a + if we don't already have one, else return a ."""
if "+" in pieces.get("closest-tag", ""):
return "."
return "+"
def render_pep440(pieces):
"""Build up version string, with post-release "local version identifier".
Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
Exceptions:
1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += plus_or_dot(pieces)
rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
else:
# exception #1
rendered = "0+untagged.%d.g%s" % (pieces["distance"],
pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
return rendered
def render_pep440_pre(pieces):
"""TAG[.post.devDISTANCE] -- No -dirty.
Exceptions:
1: no tags. 0.post.devDISTANCE
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"]:
rendered += ".post.dev%d" % pieces["distance"]
else:
# exception #1
rendered = "0.post.dev%d" % pieces["distance"]
return rendered
def render_pep440_post(pieces):
"""TAG[.postDISTANCE[.dev0]+gHEX] .
The ".dev0" means dirty. Note that .dev0 sorts backwards
(a dirty tree will appear "older" than the corresponding clean one),
but you shouldn't be releasing software with -dirty anyways.
Exceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += plus_or_dot(pieces)
rendered += "g%s" % pieces["short"]
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += "+g%s" % pieces["short"]
return rendered
def render_pep440_old(pieces):
"""TAG[.postDISTANCE[.dev0]] .
The ".dev0" means dirty.
Eexceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
return rendered
def render_git_describe(pieces):
"""TAG[-DISTANCE-gHEX][-dirty].
Like 'git describe --tags --dirty --always'.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"]:
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render_git_describe_long(pieces):
"""TAG-DISTANCE-gHEX[-dirty].
Like 'git describe --tags --dirty --always -long'.
The distance/hash is unconditional.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render(pieces, style):
"""Render the given version pieces into the requested style."""
if pieces["error"]:
return {"version": "unknown",
"full-revisionid": pieces.get("long"),
"dirty": None,
"error": pieces["error"],
"date": None}
if not style or style == "default":
style = "pep440" # the default
if style == "pep440":
rendered = render_pep440(pieces)
elif style == "pep440-pre":
rendered = render_pep440_pre(pieces)
elif style == "pep440-post":
rendered = render_pep440_post(pieces)
elif style == "pep440-old":
rendered = render_pep440_old(pieces)
elif style == "git-describe":
rendered = render_git_describe(pieces)
elif style == "git-describe-long":
rendered = render_git_describe_long(pieces)
else:
raise ValueError("unknown style '%s'" % style)
return {"version": rendered, "full-revisionid": pieces["long"],
"dirty": pieces["dirty"], "error": None,
"date": pieces.get("date")}
def get_versions():
"""Get version information or return default if unable to do so."""
# I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
# __file__, we can work backwards from there to the root. Some
# py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
# case we can only use expanded keywords.
cfg = get_config()
verbose = cfg.verbose
try:
return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
verbose)
except NotThisMethod:
pass
try:
root = os.path.realpath(__file__)
# versionfile_source is the relative path from the top of the source
# tree (where the .git directory might live) to this file. Invert
# this to find the root from __file__.
for i in cfg.versionfile_source.split('/'):
root = os.path.dirname(root)
except NameError:
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to find root of source tree",
"date": None}
try:
pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
return render(pieces, cfg.style)
except NotThisMethod:
pass
try:
if cfg.parentdir_prefix:
return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
except NotThisMethod:
pass
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to compute version", "date": None}
def get_version():
override = os.getenv("VERSIONEER_OVERRIDE")
if override:
return override
srcroot = os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir)
with open(os.path.join(srcroot, "MAJOR_VERSION"), "r") as f:
version = f.read().strip()
version += ".unknown"
if os.path.exists(os.path.join(srcroot, "BETA")):
version += ".beta"
return version

12
artiq/applets/simple.py
View File

@ -4,11 +4,11 @@ import asyncio
import os
import string
from quamash import QEventLoop, QtWidgets, QtCore
from qasync import QEventLoop, QtWidgets, QtCore
from artiq.protocols.sync_struct import Subscriber, process_mod
from artiq.protocols import pyon
from artiq.protocols.pipe_ipc import AsyncioChildComm
from sipyco.sync_struct import Subscriber, process_mod
from sipyco import pyon
from sipyco.pipe_ipc import AsyncioChildComm
logger = logging.getLogger(__name__)
@ -114,7 +114,7 @@ class SimpleApplet:
self.datasets = {getattr(self.args, arg.replace("-", "_"))
for arg in self.dataset_args}
def quamash_init(self):
def qasync_init(self):
app = QtWidgets.QApplication([])
self.loop = QEventLoop(app)
asyncio.set_event_loop(self.loop)
@ -212,7 +212,7 @@ class SimpleApplet:
def run(self):
self.args_init()
self.quamash_init()
self.qasync_init()
try:
self.ipc_init()
try:

3
artiq/browser/datasets.py
View File

@ -3,10 +3,11 @@ import asyncio
from PyQt5 import QtCore, QtWidgets
from sipyco.pc_rpc import AsyncioClient as RPCClient
from artiq.tools import short_format
from artiq.gui.tools import LayoutWidget, QRecursiveFilterProxyModel
from artiq.gui.models import DictSyncTreeSepModel
from artiq.protocols.pc_rpc import AsyncioClient as RPCClient
# reduced read-only version of artiq.dashboard.datasets

8
artiq/browser/experiments.py
View File

@ -7,10 +7,11 @@ from collections import OrderedDict
from PyQt5 import QtCore, QtGui, QtWidgets
import h5py
from sipyco import pyon
from artiq import __artiq_dir__ as artiq_dir
from artiq.gui.tools import LayoutWidget, log_level_to_name, get_open_file_name
from artiq.gui.entries import procdesc_to_entry
from artiq.protocols import pyon
from artiq.master.worker import Worker, log_worker_exception
logger = logging.getLogger(__name__)
@ -258,8 +259,9 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
def dropEvent(self, ev):
for uri in ev.mimeData().urls():
if uri.scheme() == "file":
logger.debug("Loading HDF5 arguments from %s", uri.path())
asyncio.ensure_future(self.load_hdf5_task(uri.path()))
filename = QtCore.QDir.toNativeSeparators(uri.toLocalFile())
logger.debug("Loading HDF5 arguments from %s", filename)
asyncio.ensure_future(self.load_hdf5_task(filename))
break
async def compute_arginfo(self):

25
artiq/browser/files.py
View File

@ -5,7 +5,8 @@ from datetime import datetime
import h5py
from PyQt5 import QtCore, QtWidgets, QtGui
from artiq.protocols import pyon
from sipyco import pyon
logger = logging.getLogger(__name__)
@ -41,7 +42,7 @@ class ThumbnailIconProvider(QtWidgets.QFileIconProvider):
except KeyError:
return
try:
img = QtGui.QImage.fromData(t.value)
img = QtGui.QImage.fromData(t[()])
except:
logger.warning("unable to read thumbnail from %s",
info.filePath(), exc_info=True)
@ -101,13 +102,13 @@ class Hdf5FileSystemModel(QtWidgets.QFileSystemModel):
h5 = open_h5(info)
if h5 is not None:
try:
expid = pyon.decode(h5["expid"].value)
start_time = datetime.fromtimestamp(h5["start_time"].value)
expid = pyon.decode(h5["expid"][()])
start_time = datetime.fromtimestamp(h5["start_time"][()])
v = ("artiq_version: {}\nrepo_rev: {}\nfile: {}\n"
"class_name: {}\nrid: {}\nstart_time: {}").format(
h5["artiq_version"].value, expid["repo_rev"],
h5["artiq_version"][()], expid["repo_rev"],
expid["file"], expid["class_name"],
h5["rid"].value, start_time)
h5["rid"][()], start_time)
return v
except:
logger.warning("unable to read metadata from %s",
@ -173,14 +174,14 @@ class FilesDock(QtWidgets.QDockWidget):
logger.debug("loading datasets from %s", info.filePath())
with f:
try:
expid = pyon.decode(f["expid"].value)
start_time = datetime.fromtimestamp(f["start_time"].value)
expid = pyon.decode(f["expid"][()])
start_time = datetime.fromtimestamp(f["start_time"][()])
v = {
"artiq_version": f["artiq_version"].value,
"artiq_version": f["artiq_version"][()],
"repo_rev": expid["repo_rev"],
"file": expid["file"],
"class_name": expid["class_name"],
"rid": f["rid"].value,
"rid": f["rid"][()],
"start_time": start_time,
}
self.metadata_changed.emit(v)
@ -189,13 +190,13 @@ class FilesDock(QtWidgets.QDockWidget):
info.filePath(), exc_info=True)
rd = dict()
if "archive" in f:
rd = {k: (True, v.value) for k, v in f["archive"].items()}
rd = {k: (True, v[()]) for k, v in f["archive"].items()}
if "datasets" in f:
for k, v in f["datasets"].items():
if k in rd:
logger.warning("dataset '%s' is both in archive and "
"outputs", k)
rd[k] = (True, v.value)
rd[k] = (True, v[()])
if rd:
self.datasets.init(rd)
self.dataset_changed.emit(info.filePath())

72
artiq/build_soc.py Normal file
View File

@ -0,0 +1,72 @@
import os
import subprocess
from migen import *
from misoc.interconnect.csr import *
from misoc.integration.builder import *
from artiq.gateware.amp import AMPSoC
from artiq import __version__ as artiq_version
from artiq import __artiq_dir__ as artiq_dir
__all__ = ["add_identifier", "build_artiq_soc"]
def get_identifier_string(soc, suffix="", add_class_name=True):
r = artiq_version
if suffix or add_class_name:
r += ";"
if add_class_name:
r += getattr(soc, "class_name_override", soc.__class__.__name__.lower())
r += suffix
return r
class ReprogrammableIdentifier(Module, AutoCSR):
def __init__(self, ident):
self.address = CSRStorage(8)
self.data = CSRStatus(8)
contents = list(ident.encode())
l = len(contents)
if l > 255:
raise ValueError("Identifier string must be 255 characters or less")
contents.insert(0, l)
for i in range(8):
self.specials += Instance("ROM256X1", name="identifier_str"+str(i),
i_A0=self.address.storage[0], i_A1=self.address.storage[1],
i_A2=self.address.storage[2], i_A3=self.address.storage[3],
i_A4=self.address.storage[4], i_A5=self.address.storage[5],
i_A6=self.address.storage[6], i_A7=self.address.storage[7],
o_O=self.data.status[i],
p_INIT=sum(1 << j if c & (1 << i) else 0 for j, c in enumerate(contents)))
def add_identifier(soc, *args, gateware_identifier_str=None, **kwargs):
if hasattr(soc, "identifier"):
raise ValueError
identifier_str = get_identifier_string(soc, *args, **kwargs)
soc.submodules.identifier = ReprogrammableIdentifier(gateware_identifier_str or identifier_str)
soc.config["IDENTIFIER_STR"] = identifier_str
def build_artiq_soc(soc, argdict):
firmware_dir = os.path.join(artiq_dir, "firmware")
builder = Builder(soc, **argdict)
builder.software_packages = []
builder.add_software_package("bootloader", os.path.join(firmware_dir, "bootloader"))
if isinstance(soc, AMPSoC):
builder.add_software_package("libm")
builder.add_software_package("libprintf")
builder.add_software_package("libunwind")
builder.add_software_package("ksupport", os.path.join(firmware_dir, "ksupport"))
builder.add_software_package("runtime", os.path.join(firmware_dir, "runtime"))
else:
# Assume DRTIO satellite.
builder.add_software_package("satman", os.path.join(firmware_dir, "satman"))
try:
builder.build()
except subprocess.CalledProcessError as e:
raise SystemExit("Command {} failed".format(" ".join(e.cmd)))

33
artiq/compiler/builtins.py
View File

@ -82,13 +82,27 @@ class TList(types.TMono):
super().__init__("list", {"elt": elt})
class TArray(types.TMono):
def __init__(self, elt=None):
def __init__(self, elt=None, num_dims=1):
if elt is None:
elt = types.TVar()
super().__init__("array", {"elt": elt})
if isinstance(num_dims, int):
# Make TArray more convenient to instantiate from (ARTIQ) user code.
num_dims = types.TValue(num_dims)
# For now, enforce number of dimensions to be known, as we'd otherwise
# need to implement custom unification logic for the type of `shape`.
# Default to 1 to keep compatibility with old user code from before
# multidimensional array support.
assert isinstance(num_dims.value, int), "Number of dimensions must be resolved"
super().__init__("array", {"elt": elt, "num_dims": num_dims})
self.attributes = OrderedDict([
("buffer", types._TPointer(elt)),
("shape", types.TTuple([TInt32()] * num_dims.value)),
])
def _array_printer(typ, printer, depth, max_depth):
return "numpy.array(elt={})".format(printer.name(typ["elt"], depth, max_depth))
return "numpy.array(elt={}, num_dims={})".format(
printer.name(typ["elt"], depth, max_depth), typ["num_dims"].value)
types.TypePrinter.custom_printers["array"] = _array_printer
class TRange(types.TMono):
@ -169,6 +183,9 @@ def fn_ValueError():
def fn_ZeroDivisionError():
return types.TExceptionConstructor(TException("ZeroDivisionError"))
def fn_RuntimeError():
return types.TExceptionConstructor(TException("RuntimeError"))
def fn_range():
return types.TBuiltinFunction("range")
@ -178,6 +195,9 @@ def fn_len():
def fn_round():
return types.TBuiltinFunction("round")
def fn_abs():
return types.TBuiltinFunction("abs")
def fn_min():
return types.TBuiltinFunction("min")
@ -202,9 +222,6 @@ def obj_interleave():
def obj_sequential():
return types.TBuiltin("sequential")
def fn_watchdog():
return types.TBuiltinFunction("watchdog")
def fn_delay():
return types.TBuiltinFunction("delay")
@ -300,7 +317,7 @@ def is_iterable(typ):
def get_iterable_elt(typ):
if is_str(typ) or is_bytes(typ) or is_bytearray(typ):
return TInt(types.TValue(8))
elif is_iterable(typ):
elif types._is_pointer(typ) or is_iterable(typ):
return typ.find()["elt"].find()
else:
assert False
@ -314,6 +331,6 @@ def is_allocated(typ):
return not (is_none(typ) or is_bool(typ) or is_int(typ) or
is_float(typ) or is_range(typ) or
types._is_pointer(typ) or types.is_function(typ) or
types.is_c_function(typ) or types.is_rpc(typ) or
types.is_external_function(typ) or types.is_rpc(typ) or
types.is_method(typ) or types.is_tuple(typ) or
types.is_value(typ))

71
artiq/compiler/embedding.py
View File

@ -14,7 +14,7 @@ from pythonparser import lexer as source_lexer, parser as source_parser
from Levenshtein import ratio as similarity, jaro_winkler
from ..language import core as language_core
from . import types, builtins, asttyped, prelude
from . import types, builtins, asttyped, math_fns, prelude
from .transforms import ASTTypedRewriter, Inferencer, IntMonomorphizer, TypedtreePrinter
from .transforms.asttyped_rewriter import LocalExtractor
@ -166,6 +166,10 @@ class ASTSynthesizer:
typ = builtins.TBool()
return asttyped.NameConstantT(value=value, type=typ,
loc=self._add(repr(value)))
elif value is numpy.float:
typ = builtins.fn_float()
return asttyped.NameConstantT(value=None, type=typ,
loc=self._add("numpy.float"))
elif value is numpy.int32:
typ = builtins.fn_int32()
return asttyped.NameConstantT(value=None, type=typ,
@ -221,21 +225,23 @@ class ASTSynthesizer:
return asttyped.ListT(elts=elts, ctx=None, type=builtins.TList(),
begin_loc=begin_loc, end_loc=end_loc,
loc=begin_loc.join(end_loc))
elif isinstance(value, numpy.ndarray):
begin_loc = self._add("numpy.array([")
elif isinstance(value, tuple):
begin_loc = self._add("(")
elts = []
for index, elt in enumerate(value):
elts.append(self.quote(elt))
if index < len(value) - 1:
self._add(", ")
end_loc = self._add("])")
return asttyped.ListT(elts=elts, ctx=None, type=builtins.TArray(),
begin_loc=begin_loc, end_loc=end_loc,
loc=begin_loc.join(end_loc))
self._add(", ")
end_loc = self._add(")")
return asttyped.TupleT(elts=elts, ctx=None,
type=types.TTuple([e.type for e in elts]),
begin_loc=begin_loc, end_loc=end_loc,
loc=begin_loc.join(end_loc))
elif isinstance(value, numpy.ndarray):
return self.call(numpy.array, [list(value)], {})
elif inspect.isfunction(value) or inspect.ismethod(value) or \
isinstance(value, pytypes.BuiltinFunctionType) or \
isinstance(value, SpecializedFunction):
isinstance(value, SpecializedFunction) or \
isinstance(value, numpy.ufunc):
if inspect.ismethod(value):
quoted_self = self.quote(value.__self__)
function_type = self.quote_function(value.__func__, self.expanded_from)
@ -749,6 +755,14 @@ class Stitcher:
quote_function=self._quote_function)
def _function_loc(self, function):
if isinstance(function, SpecializedFunction):
function = function.host_function
if hasattr(function, 'artiq_embedded') and function.artiq_embedded.function:
function = function.artiq_embedded.function
if isinstance(function, str):
return source.Range(source.Buffer(function, "<string>"), 0, 0)
filename = function.__code__.co_filename
line = function.__code__.co_firstlineno
name = function.__code__.co_name
@ -832,10 +846,20 @@ class Stitcher:
# Extract function source.
embedded_function = host_function.artiq_embedded.function
source_code = inspect.getsource(embedded_function)
filename = embedded_function.__code__.co_filename
module_name = embedded_function.__globals__['__name__']
first_line = embedded_function.__code__.co_firstlineno
if isinstance(embedded_function, str):
# This is a function to be eval'd from the given source code in string form.
# Mangle the host function's id() into the fully qualified name to make sure
# there are no collisions.
source_code = embedded_function
embedded_function = host_function
filename = "<string>"
module_name = "__eval_{}".format(id(host_function))
first_line = 1
else:
source_code = inspect.getsource(embedded_function)
filename = embedded_function.__code__.co_filename
module_name = embedded_function.__globals__['__name__']
first_line = embedded_function.__code__.co_firstlineno
# Extract function annotation.
signature = inspect.signature(embedded_function)
@ -921,6 +945,9 @@ class Stitcher:
return function_node
def _extract_annot(self, function, annot, kind, call_loc, fn_kind):
if annot is None:
annot = builtins.TNone()
if not isinstance(annot, types.Type):
diag = diagnostic.Diagnostic("error",
"type annotation for {kind}, '{annot}', is not an ARTIQ type",
@ -969,9 +996,9 @@ class Stitcher:
self.engine.process(diag)
ret_type = types.TVar()
function_type = types.TCFunction(arg_types, ret_type,
name=function.artiq_embedded.syscall,
flags=function.artiq_embedded.flags)
function_type = types.TExternalFunction(arg_types, ret_type,
name=function.artiq_embedded.syscall,
flags=function.artiq_embedded.flags)
self.functions[function] = function_type
return function_type
@ -1014,7 +1041,7 @@ class Stitcher:
function_type = types.TRPC(ret_type,
service=self.embedding_map.store_object(host_function),
async=is_async)
is_async=is_async)
self.functions[function] = function_type
return function_type
@ -1025,7 +1052,11 @@ class Stitcher:
host_function = function
if function in self.functions:
pass
return self.functions[function]
math_type = math_fns.match(function)
if math_type is not None:
self.functions[function] = math_type
elif not hasattr(host_function, "artiq_embedded") or \
(host_function.artiq_embedded.core_name is None and
host_function.artiq_embedded.portable is False and

85
artiq/compiler/ir.py
View File

@ -36,6 +36,48 @@ class TKeyword(types.TMono):
def is_keyword(typ):
return isinstance(typ, TKeyword)
# See rpc_proto.rs and comm_kernel.py:_{send,receive}_rpc_value.
def rpc_tag(typ, error_handler):
typ = typ.find()
if types.is_tuple(typ):
assert len(typ.elts) < 256
return b"t" + bytes([len(typ.elts)]) + \
b"".join([rpc_tag(elt_type, error_handler)
for elt_type in typ.elts])
elif builtins.is_none(typ):
return b"n"
elif builtins.is_bool(typ):
return b"b"
elif builtins.is_int(typ, types.TValue(32)):
return b"i"
elif builtins.is_int(typ, types.TValue(64)):
return b"I"
elif builtins.is_float(typ):
return b"f"
elif builtins.is_str(typ):
return b"s"
elif builtins.is_bytes(typ):
return b"B"
elif builtins.is_bytearray(typ):
return b"A"
elif builtins.is_list(typ):
return b"l" + rpc_tag(builtins.get_iterable_elt(typ), error_handler)
elif builtins.is_array(typ):
num_dims = typ["num_dims"].value
return b"a" + bytes([num_dims]) + rpc_tag(typ["elt"], error_handler)
elif builtins.is_range(typ):
return b"r" + rpc_tag(builtins.get_iterable_elt(typ), error_handler)
elif is_keyword(typ):
return b"k" + rpc_tag(typ.params["value"], error_handler)
elif types.is_function(typ) or types.is_method(typ) or types.is_rpc(typ):
raise ValueError("RPC tag for functional value")
elif '__objectid__' in typ.attributes:
return b"O"
else:
error_handler(typ)
class Value:
"""
An SSA value that keeps track of its uses.
@ -303,6 +345,7 @@ class BasicBlock(NamedValue):
:ivar instructions: (list of :class:`Instruction`)
"""
_dump_loc = True
def __init__(self, instructions, name=""):
super().__init__(TBasicBlock(), name)
@ -378,12 +421,12 @@ class BasicBlock(NamedValue):
lines = ["{}:".format(escape_name(self.name))]
if self.function is not None:
lines[0] += " ; predecessors: {}".format(
", ".join([escape_name(pred.name) for pred in self.predecessors()]))
", ".join(sorted([escape_name(pred.name) for pred in self.predecessors()])))
# Annotated instructions
loc = None
for insn in self.instructions:
if loc != insn.loc:
if self._dump_loc and loc != insn.loc:
loc = insn.loc
if loc is None:
@ -409,7 +452,13 @@ class BasicBlock(NamedValue):
class Argument(NamedValue):
"""
A function argument.
:ivar loc: (:class:`pythonparser.source.Range` or None)
source location
"""
def __init__(self, typ, name):
super().__init__(typ, name)
self.loc = None
def as_entity(self, type_printer):
return self.as_operand(type_printer)
@ -731,6 +780,33 @@ class SetAttr(Instruction):
def value(self):
return self.operands[1]
class Offset(Instruction):
"""
An intruction that adds an offset to a pointer (indexes into a list).
This is used to represent internally generated pointer arithmetic, and must
remain inside the same object (see :class:`GetElem` and LLVM's GetElementPtr).
"""
"""
:param lst: (:class:`Value`) list
:param index: (:class:`Value`) index
"""
def __init__(self, base, offset, name=""):
assert isinstance(base, Value)
assert isinstance(offset, Value)
typ = types._TPointer(builtins.get_iterable_elt(base.type))
super().__init__([base, offset], typ, name)
def opcode(self):
return "offset"
def base(self):
return self.operands[0]
def index(self):
return self.operands[1]
class GetElem(Instruction):
"""
An intruction that loads an element from a list.
@ -748,7 +824,7 @@ class GetElem(Instruction):
def opcode(self):
return "getelem"
def list(self):
def base(self):
return self.operands[0]
def index(self):
@ -774,7 +850,7 @@ class SetElem(Instruction):
def opcode(self):
return "setelem"
def list(self):
def base(self):
return self.operands[0]
def index(self):
@ -833,6 +909,7 @@ class Arith(Instruction):
def rhs(self):
return self.operands[1]
class Compare(Instruction):
"""
A comparison operation on numbers.

132
artiq/compiler/math_fns.py Normal file
View File

@ -0,0 +1,132 @@
r"""
The :mod:`math_fns` module lists math-related functions from NumPy recognized
by the ARTIQ compiler so host function objects can be :func:`match`\ ed to
the compiler type metadata describing their core device analogue.
"""
from collections import OrderedDict
import numpy
from . import builtins, types
# Some special mathematical functions are exposed via their scipy.special
# equivalents. Since the rest of the ARTIQ core does not depend on SciPy,
# gracefully handle it not being present, making the functions simply not
# available.
try:
import scipy.special as scipy_special
except ImportError:
scipy_special = None
#: float -> float numpy.* math functions for which llvm.* intrinsics exist.
unary_fp_intrinsics = [(name, "llvm." + name + ".f64") for name in [
"sin",
"cos",
"exp",
"exp2",
"log",
"log10",
"log2",
"fabs",
"floor",
"ceil",
"trunc",
"sqrt",
]] + [
# numpy.rint() seems to (NumPy 1.19.0, Python 3.8.5, Linux x86_64)
# implement round-to-even, but unfortunately, rust-lang/libm only
# provides round(), which always rounds away from zero.
#
# As there is no equivalent of the latter in NumPy (nor any other
# basic rounding function), expose round() as numpy.rint anyway,
# even if the rounding modes don't match up, so there is some way
# to do rounding on the core device. (numpy.round() has entirely
# different semantics; it rounds to a configurable number of
# decimals.)
("rint", "llvm.round.f64"),
]
#: float -> float numpy.* math functions lowered to runtime calls.
unary_fp_runtime_calls = [
("tan", "tan"),
("arcsin", "asin"),
("arccos", "acos"),
("arctan", "atan"),
("sinh", "sinh"),
("cosh", "cosh"),
("tanh", "tanh"),
("arcsinh", "asinh"),
("arccosh", "acosh"),
("arctanh", "atanh"),
("expm1", "expm1"),
("cbrt", "cbrt"),
]
#: float -> float numpy.* math functions lowered to runtime calls.
unary_fp_runtime_calls = [
("tan", "tan"),
("arcsin", "asin"),
("arccos", "acos"),
("arctan", "atan"),
("sinh", "sinh"),
("cosh", "cosh"),
("tanh", "tanh"),
("arcsinh", "asinh"),
("arccosh", "acosh"),
("arctanh", "atanh"),
("expm1", "expm1"),
("cbrt", "cbrt"),
]
scipy_special_unary_runtime_calls = [
("erf", "erf"),
("erfc", "erfc"),
("gamma", "tgamma"),
("gammaln", "lgamma"),
("j0", "j0"),
("j1", "j1"),
("y0", "y0"),
("y1", "y1"),
]
# Not mapped: jv/yv, libm only supports integer orders.
#: (float, float) -> float numpy.* math functions lowered to runtime calls.
binary_fp_runtime_calls = [
("arctan2", "atan2"),
("copysign", "copysign"),
("fmax", "fmax"),
("fmin", "fmin"),
# ("ldexp", "ldexp"), # One argument is an int; would need a bit more plumbing.
("hypot", "hypot"),
("nextafter", "nextafter"),
]
#: Array handling builtins (special treatment due to allocations).
numpy_builtins = ["transpose"]
def fp_runtime_type(name, arity):
args = [("arg{}".format(i), builtins.TFloat()) for i in range(arity)]
return types.TExternalFunction(
OrderedDict(args),
builtins.TFloat(),
name,
# errno isn't observable from ARTIQ Python.
flags={"nounwind", "nowrite"},
broadcast_across_arrays=True)
math_fn_map = {
getattr(numpy, symbol): fp_runtime_type(mangle, arity=1)
for symbol, mangle in (unary_fp_intrinsics + unary_fp_runtime_calls)
}
for symbol, mangle in binary_fp_runtime_calls:
math_fn_map[getattr(numpy, symbol)] = fp_runtime_type(mangle, arity=2)
for name in numpy_builtins:
math_fn_map[getattr(numpy, name)] = types.TBuiltinFunction("numpy." + name)
if scipy_special is not None:
for symbol, mangle in scipy_special_unary_runtime_calls:
math_fn_map[getattr(scipy_special, symbol)] = fp_runtime_type(mangle, arity=1)
def match(obj):
return math_fn_map.get(obj, None)

6
artiq/compiler/module.py
View File

@ -60,12 +60,14 @@ class Module:
ref_period=ref_period)
dead_code_eliminator = transforms.DeadCodeEliminator(engine=self.engine)
local_access_validator = validators.LocalAccessValidator(engine=self.engine)
local_demoter = transforms.LocalDemoter()
constant_hoister = transforms.ConstantHoister()
devirtualization = analyses.Devirtualization()
interleaver = transforms.Interleaver(engine=self.engine)
invariant_detection = analyses.InvariantDetection(engine=self.engine)
cast_monomorphizer.visit(src.typedtree)
int_monomorphizer.visit(src.typedtree)
cast_monomorphizer.visit(src.typedtree)
inferencer.visit(src.typedtree)
monomorphism_validator.visit(src.typedtree)
escape_validator.visit(src.typedtree)
@ -77,6 +79,8 @@ class Module:
dead_code_eliminator.process(self.artiq_ir)
interleaver.process(self.artiq_ir)
local_access_validator.process(self.artiq_ir)
local_demoter.process(self.artiq_ir)
constant_hoister.process(self.artiq_ir)
if remarks:
invariant_detection.process(self.artiq_ir)

3
artiq/compiler/prelude.py
View File

@ -25,10 +25,12 @@ def globals():
"IndexError": builtins.fn_IndexError(),
"ValueError": builtins.fn_ValueError(),
"ZeroDivisionError": builtins.fn_ZeroDivisionError(),
"RuntimeError": builtins.fn_RuntimeError(),
# Built-in Python functions
"len": builtins.fn_len(),
"round": builtins.fn_round(),
"abs": builtins.fn_abs(),
"min": builtins.fn_min(),
"max": builtins.fn_max(),
"print": builtins.fn_print(),
@ -42,7 +44,6 @@ def globals():
"parallel": builtins.obj_parallel(),
"interleave": builtins.obj_interleave(),
"sequential": builtins.obj_sequential(),
"watchdog": builtins.fn_watchdog(),
# ARTIQ time management functions
"delay": builtins.fn_delay(),

114
artiq/compiler/targets.py
View File

@ -1,5 +1,5 @@
import os, sys, tempfile, subprocess
from artiq.compiler import types
import os, sys, tempfile, subprocess, io
from artiq.compiler import types, ir
from llvmlite_artiq import ir as ll, binding as llvm
llvm.initialize()
@ -8,40 +8,44 @@ llvm.initialize_all_asmprinters()
class RunTool:
def __init__(self, pattern, **tempdata):
self.files = []
self.pattern = pattern
self.tempdata = tempdata
def maketemp(self, data):
f = tempfile.NamedTemporaryFile()
f.write(data)
f.flush()
self.files.append(f)
return f
self._pattern = pattern
self._tempdata = tempdata
self._tempnames = {}
self._tempfiles = {}
def __enter__(self):
tempfiles = {}
tempnames = {}
for key in self.tempdata:
tempfiles[key] = self.maketemp(self.tempdata[key])
tempnames[key] = tempfiles[key].name
for key, data in self._tempdata.items():
if data is None:
fd, filename = tempfile.mkstemp()
os.close(fd)
self._tempnames[key] = filename
else:
with tempfile.NamedTemporaryFile(delete=False) as f:
f.write(data)
self._tempnames[key] = f.name
cmdline = []
for argument in self.pattern:
cmdline.append(argument.format(**tempnames))
for argument in self._pattern:
cmdline.append(argument.format(**self._tempnames))
process = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
process = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
universal_newlines=True)
stdout, stderr = process.communicate()
if process.returncode != 0:
raise Exception("{} invocation failed: {}".
format(cmdline[0], stderr.decode('utf-8')))
format(cmdline[0], stderr))
tempfiles["__stdout__"] = stdout.decode('utf-8')
return tempfiles
self._tempfiles["__stdout__"] = io.StringIO(stdout)
for key in self._tempdata:
if self._tempdata[key] is None:
self._tempfiles[key] = open(self._tempnames[key], "rb")
return self._tempfiles
def __exit__(self, exc_typ, exc_value, exc_trace):
for f in self.files:
f.close()
for file in self._tempfiles.values():
file.close()
for filename in self._tempnames.values():
os.unlink(filename)
def _dump(target, kind, suffix, content):
if target is not None:
@ -71,12 +75,23 @@ class Target:
:var print_function: (string)
Name of a formatted print functions (with the signature of ``printf``)
provided by the target, e.g. ``"printf"``.
:var little_endian: (boolean)
Whether the code will be executed on a little-endian machine. This cannot be always
determined from data_layout due to JIT.
:var now_pinning: (boolean)
Whether the target implements the now-pinning RTIO optimization.
"""
triple = "unknown"
data_layout = ""
features = []
print_function = "printf"
little_endian = False
now_pinning = True
tool_ld = "ld.lld"
tool_strip = "llvm-strip"
tool_addr2line = "llvm-addr2line"
tool_cxxfilt = "llvm-cxxfilt"
def __init__(self):
self.llcontext = ll.Context()
@ -127,6 +142,9 @@ class Target:
print("====== MODULE_SIGNATURE DUMP ======", file=sys.stderr)
print(module, file=sys.stderr)
if os.getenv("ARTIQ_IR_NO_LOC") is not None:
ir.BasicBlock._dump_loc = False
type_printer = types.TypePrinter()
_dump(os.getenv("ARTIQ_DUMP_IR"), "ARTIQ IR", ".txt",
lambda: "\n".join(fn.as_entity(type_printer) for fn in module.artiq_ir))
@ -163,10 +181,11 @@ class Target:
def link(self, objects):
"""Link the relocatable objects into a shared library for this target."""
with RunTool([self.triple + "-ld", "-shared", "--eh-frame-hdr"] +
with RunTool([self.tool_ld, "-shared", "--eh-frame-hdr"] +
["{{obj{}}}".format(index) for index in range(len(objects))] +
["-x"] +
["-o", "{output}"],
output=b"",
output=None,
**{"obj{}".format(index): obj for index, obj in enumerate(objects)}) \
as results:
library = results["output"].read()
@ -180,8 +199,8 @@ class Target:
return self.link([self.assemble(self.compile(module)) for module in modules])
def strip(self, library):
with RunTool([self.triple + "-strip", "--strip-debug", "{library}", "-o", "{output}"],
library=library, output=b"") \
with RunTool([self.tool_strip, "--strip-debug", "{library}", "-o", "{output}"],
library=library, output=None) \
as results:
return results["output"].read()
@ -194,11 +213,11 @@ class Target:
# inside the call instruction (or its delay slot), since that's what
# the backtrace entry should point at.
offset_addresses = [hex(addr - 1) for addr in addresses]
with RunTool([self.triple + "-addr2line", "--addresses", "--functions", "--inlines",
with RunTool([self.tool_addr2line, "--addresses", "--functions", "--inlines",
"--demangle", "--exe={library}"] + offset_addresses,
library=library) \
as results:
lines = iter(results["__stdout__"].rstrip().split("\n"))
lines = iter(results["__stdout__"].read().rstrip().split("\n"))
backtrace = []
while True:
try:
@ -216,18 +235,25 @@ class Target:
filename, line = location.rsplit(":", 1)
if filename == "??" or filename == "<synthesized>":
continue
if line == "?":
line = -1
else:
line = int(line)
# can't get column out of addr2line D:
backtrace.append((filename, int(line), -1, function, address))
backtrace.append((filename, line, -1, function, address))
return backtrace
def demangle(self, names):
with RunTool([self.triple + "-c++filt"] + names) as results:
return results["__stdout__"].rstrip().split("\n")
with RunTool([self.tool_cxxfilt] + names) as results:
return results["__stdout__"].read().rstrip().split("\n")
class NativeTarget(Target):
def __init__(self):
super().__init__()
self.triple = llvm.get_default_triple()
host_data_layout = str(llvm.targets.Target.from_default_triple().create_target_machine().target_data)
assert host_data_layout[0] in "eE"
self.little_endian = host_data_layout[0] == "e"
class OR1KTarget(Target):
triple = "or1k-linux"
@ -235,3 +261,23 @@ class OR1KTarget(Target):
"f64:32:32-v64:32:32-v128:32:32-a0:0:32-n32"
features = ["mul", "div", "ffl1", "cmov", "addc"]
print_function = "core_log"
little_endian = False
now_pinning = True
tool_ld = "or1k-linux-ld"
tool_strip = "or1k-linux-strip"
tool_addr2line = "or1k-linux-addr2line"
tool_cxxfilt = "or1k-linux-c++filt"
class CortexA9Target(Target):
triple = "armv7-unknown-linux-gnueabihf"
data_layout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
features = ["dsp", "fp16", "neon", "vfp3"]
print_function = "core_log"
little_endian = True
now_pinning = False
tool_ld = "armv7-unknown-linux-gnueabihf-ld"
tool_strip = "armv7-unknown-linux-gnueabihf-strip"
tool_addr2line = "armv7-unknown-linux-gnueabihf-addr2line"
tool_cxxfilt = "armv7-unknown-linux-gnueabihf-c++filt"

6
artiq/compiler/testbench/embedding.py
View File

@ -1,4 +1,4 @@
import sys, os
import sys, os, tokenize
from artiq.master.databases import DeviceDB
from artiq.master.worker_db import DeviceManager
@ -27,7 +27,7 @@ def main():
ddb_path = os.path.join(os.path.dirname(sys.argv[1]), "device_db.py")
dmgr = DeviceManager(DeviceDB(ddb_path))
with open(sys.argv[1]) as f:
with tokenize.open(sys.argv[1]) as f:
testcase_code = compile(f.read(), f.name, "exec")
testcase_vars = {'__name__': 'testbench', 'dmgr': dmgr}
exec(testcase_code, testcase_vars)
@ -38,8 +38,6 @@ def main():
core.compile(testcase_vars["entrypoint"], (), {})
else:
core.run(testcase_vars["entrypoint"], (), {})
print(core.comm.get_log())
core.comm.clear_log()
except CompileError as error:
if not diag:
exit(1)

6
artiq/compiler/testbench/irgen.py
View File

@ -1,8 +1,12 @@
import sys, fileinput
import sys, os, fileinput
from pythonparser import diagnostic
from .. import ir
from ..module import Module, Source
def main():
if os.getenv("ARTIQ_IR_NO_LOC") is not None:
ir.BasicBlock._dump_loc = False
def process_diagnostic(diag):
print("\n".join(diag.render()))
if diag.level in ("fatal", "error"):

4
artiq/compiler/testbench/perf_embedding.py
View File

@ -1,4 +1,4 @@
import sys, os
import sys, os, tokenize
from pythonparser import diagnostic
from ...language.environment import ProcessArgumentManager
from ...master.databases import DeviceDB, DatasetDB
@ -22,7 +22,7 @@ def main():
engine = diagnostic.Engine()
engine.process = process_diagnostic
with open(sys.argv[1]) as f:
with tokenize.open(sys.argv[1]) as f:
testcase_code = compile(f.read(), f.name, "exec")
testcase_vars = {'__name__': 'testbench'}
exec(testcase_code, testcase_vars)

4
artiq/compiler/transforms/__init__.py
View File

@ -5,6 +5,8 @@ from .cast_monomorphizer import CastMonomorphizer
from .iodelay_estimator import IODelayEstimator
from .artiq_ir_generator import ARTIQIRGenerator
from .dead_code_eliminator import DeadCodeEliminator
from .llvm_ir_generator import LLVMIRGenerator
from .local_demoter import LocalDemoter
from .constant_hoister import ConstantHoister
from .interleaver import Interleaver
from .typedtree_printer import TypedtreePrinter
from .llvm_ir_generator import LLVMIRGenerator

904
artiq/compiler/transforms/artiq_ir_generator.py
View File

File diff suppressed because it is too large Load Diff

20
artiq/compiler/transforms/cast_monomorphizer.py
View File

@ -11,13 +11,12 @@ class CastMonomorphizer(algorithm.Visitor):
self.engine = engine
def visit_CallT(self, node):
self.generic_visit(node)
if (types.is_builtin(node.func.type, "int") or
types.is_builtin(node.func.type, "int32") or
types.is_builtin(node.func.type, "int64")):
typ = node.type.find()
if (not types.is_var(typ["width"]) and
len(node.args) == 1 and
builtins.is_int(node.args[0].type) and
types.is_var(node.args[0].type.find()["width"])):
if isinstance(node.args[0], asttyped.BinOpT):
@ -29,3 +28,20 @@ class CastMonomorphizer(algorithm.Visitor):
node.args[0].type.unify(typ)
if types.is_builtin(node.func.type, "int") or \
types.is_builtin(node.func.type, "round"):
typ = node.type.find()
if types.is_var(typ["width"]):
typ["width"].unify(types.TValue(32))
self.generic_visit(node)
def visit_CoerceT(self, node):
if isinstance(node.value, asttyped.NumT) and \
builtins.is_int(node.type) and \
builtins.is_int(node.value.type) and \
not types.is_var(node.type["width"]) and \
types.is_var(node.value.type["width"]):
node.value.type.unify(node.type)
self.generic_visit(node)

43
artiq/compiler/transforms/constant_hoister.py Normal file
View File

@ -0,0 +1,43 @@
"""
:class:`ConstantHoister` is a code motion transform:
it moves any invariant loads to the earliest point where
they may be executed.
"""
from .. import types, ir
class ConstantHoister:
def process(self, functions):
for func in functions:
self.process_function(func)
def process_function(self, func):
entry = func.entry()
worklist = set(func.instructions())
moved = set()
while len(worklist) > 0:
insn = worklist.pop()
if (isinstance(insn, ir.GetAttr) and insn not in moved and
types.is_instance(insn.object().type) and
insn.attr in insn.object().type.constant_attributes):
has_variant_operands = False
index_in_entry = 0
for operand in insn.operands:
if isinstance(operand, ir.Argument):
pass
elif isinstance(operand, ir.Instruction) and operand.basic_block == entry:
index_in_entry = entry.index(operand) + 1
else:
has_variant_operands = True
break
if has_variant_operands:
continue
insn.remove_from_parent()
entry.instructions.insert(index_in_entry, insn)
moved.add(insn)
for use in insn.uses:
worklist.add(use)

3
artiq/compiler/transforms/dead_code_eliminator.py
View File

@ -33,7 +33,8 @@ class DeadCodeEliminator:
# it also has to run after the interleaver, but interleaver
# doesn't like to work with IR before DCE.
if isinstance(insn, (ir.Phi, ir.Alloc, ir.GetAttr, ir.GetElem, ir.Coerce,
ir.Arith, ir.Compare, ir.Select, ir.Quote, ir.Closure)) \
ir.Arith, ir.Compare, ir.Select, ir.Quote, ir.Closure,
ir.Offset)) \
and not any(insn.uses):
insn.erase()
modified = True

448
artiq/compiler/transforms/inferencer.py
View File

@ -7,6 +7,7 @@ from pythonparser import algorithm, diagnostic, ast
from .. import asttyped, types, builtins
from .typedtree_printer import TypedtreePrinter
class Inferencer(algorithm.Visitor):
"""
:class:`Inferencer` infers types by recursively applying the unification
@ -183,6 +184,14 @@ class Inferencer(algorithm.Visitor):
if builtins.is_bytes(collection.type) or builtins.is_bytearray(collection.type):
self._unify(element.type, builtins.get_iterable_elt(collection.type),
element.loc, None)
elif builtins.is_array(collection.type):
array_type = collection.type.find()
elem_dims = array_type["num_dims"].value - 1
if elem_dims > 0:
elem_type = builtins.TArray(array_type["elt"], types.TValue(elem_dims))
else:
elem_type = array_type["elt"]
self._unify(element.type, elem_type, element.loc, collection.loc)
elif builtins.is_iterable(collection.type) and not builtins.is_str(collection.type):
rhs_type = collection.type.find()
rhs_wrapped_lhs_type = types.TMono(rhs_type.name, {"elt": element.type})
@ -199,10 +208,9 @@ class Inferencer(algorithm.Visitor):
self.generic_visit(node)
value = node.value
if types.is_tuple(value.type):
diag = diagnostic.Diagnostic("error",
"multi-dimensional slices are not supported", {},
node.loc, [])
self.engine.process(diag)
for elt in value.type.find().elts:
self._unify(elt, builtins.TInt(),
value.loc, None)
else:
self._unify(value.type, builtins.TInt(),
value.loc, None)
@ -228,12 +236,41 @@ class Inferencer(algorithm.Visitor):
def visit_SubscriptT(self, node):
self.generic_visit(node)
if isinstance(node.slice, ast.Index):
self._unify_iterable(element=node, collection=node.value)
if types.is_tuple(node.slice.value.type):
if types.is_var(node.value.type):
return
if not builtins.is_array(node.value.type):
diag = diagnostic.Diagnostic(
"error",
"multi-dimensional indexing only supported for arrays, not {type}",
{"type": types.TypePrinter().name(node.value.type)},
node.loc, [])
self.engine.process(diag)
return
num_idxs = len(node.slice.value.type.find().elts)
array_type = node.value.type.find()
num_dims = array_type["num_dims"].value
remaining_dims = num_dims - num_idxs
if remaining_dims < 0:
diag = diagnostic.Diagnostic(
"error",
"too many indices for array of dimension {num_dims}",
{"num_dims": num_dims}, node.slice.loc, [])
self.engine.process(diag)
return
if remaining_dims == 0:
self._unify(node.type, array_type["elt"], node.loc,
node.value.loc)
else:
self._unify(
node.type,
builtins.TArray(array_type["elt"], remaining_dims))
else:
self._unify_iterable(element=node, collection=node.value)
elif isinstance(node.slice, ast.Slice):
self._unify(node.type, node.value.type,
node.loc, node.value.loc)
else: # ExtSlice
pass # error emitted above
self._unify(node.type, node.value.type, node.loc, node.value.loc)
else: # ExtSlice
pass # error emitted above
def visit_IfExpT(self, node):
self.generic_visit(node)
@ -265,21 +302,36 @@ class Inferencer(algorithm.Visitor):
node.operand.loc)
self.engine.process(diag)
else: # UAdd, USub
if types.is_var(operand_type):
return
if builtins.is_numeric(operand_type):
self._unify(node.type, operand_type,
node.loc, None)
elif not types.is_var(operand_type):
diag = diagnostic.Diagnostic("error",
"expected unary '{op}' operand to be of numeric type, not {type}",
{"op": node.op.loc.source(),
"type": types.TypePrinter().name(operand_type)},
node.operand.loc)
self.engine.process(diag)
self._unify(node.type, operand_type, node.loc, None)
return
if builtins.is_array(operand_type):
elt = operand_type.find()["elt"]
if builtins.is_numeric(elt):
self._unify(node.type, operand_type, node.loc, None)
return
if types.is_var(elt):
return
diag = diagnostic.Diagnostic("error",
"expected unary '{op}' operand to be of numeric type, not {type}",
{"op": node.op.loc.source(),
"type": types.TypePrinter().name(operand_type)},
node.operand.loc)
self.engine.process(diag)
def visit_CoerceT(self, node):
self.generic_visit(node)
if builtins.is_numeric(node.type) and builtins.is_numeric(node.value.type):
pass
elif (builtins.is_array(node.type) and builtins.is_array(node.value.type)
and builtins.is_numeric(node.type.find()["elt"])
and builtins.is_numeric(node.value.type.find()["elt"])):
pass
else:
printer = types.TypePrinter()
note = diagnostic.Diagnostic("note",
@ -305,14 +357,23 @@ class Inferencer(algorithm.Visitor):
self.visit(node)
return node
def _coerce_numeric(self, nodes, map_return=lambda typ: typ):
def _coerce_numeric(self, nodes, map_return=lambda typ: typ, map_node_type =lambda typ:typ):
# See https://docs.python.org/3/library/stdtypes.html#numeric-types-int-float-complex.
node_types = []
for node in nodes:
if isinstance(node, asttyped.CoerceT):
node_types.append(node.value.type)
# If we already know exactly what we coerce this value to, use that type,
# or we'll get an unification error in case the coerced type is not the same
# as the type of the coerced value.
# Otherwise, use the potentially more specific subtype when considering possible
# coercions, or we may get stuck.
if node.type.fold(False, lambda acc, ty: acc or types.is_var(ty)):
node_types.append(node.value.type)
else:
node_types.append(node.type)
else:
node_types.append(node.type)
node_types = [map_node_type(typ) for typ in node_types]
if any(map(types.is_var, node_types)): # not enough info yet
return
elif not all(map(builtins.is_numeric, node_types)):
@ -344,8 +405,125 @@ class Inferencer(algorithm.Visitor):
else:
assert False
def _coerce_binary_broadcast_op(self, left, right, map_return_elt, op_loc):
def num_dims(typ):
if builtins.is_array(typ):
# TODO: If number of dimensions is ever made a non-fixed parameter,
# need to acutally unify num_dims in _coerce_binop/….
return typ.find()["num_dims"].value
return 0
left_dims = num_dims(left.type)
right_dims = num_dims(right.type)
if left_dims != right_dims and left_dims != 0 and right_dims != 0:
# Mismatch (only scalar broadcast supported for now).
note1 = diagnostic.Diagnostic("note", "operand of dimension {num_dims}",
{"num_dims": left_dims}, left.loc)
note2 = diagnostic.Diagnostic("note", "operand of dimension {num_dims}",
{"num_dims": right_dims}, right.loc)
diag = diagnostic.Diagnostic(
"error", "dimensions of '{op}' array operands must match",
{"op": op_loc.source()}, op_loc, [left.loc, right.loc], [note1, note2])
self.engine.process(diag)
return
def map_node_type(typ):
if not builtins.is_array(typ):
# This is a single value broadcast across the array.
return typ
return typ.find()["elt"]
# Figure out result type, handling broadcasts.
result_dims = left_dims if left_dims else right_dims
def map_return(typ):
elt = map_return_elt(typ)
result = builtins.TArray(elt=elt, num_dims=result_dims)
left = builtins.TArray(elt=elt, num_dims=left_dims) if left_dims else elt
right = builtins.TArray(elt=elt, num_dims=right_dims) if right_dims else elt
return (result, left, right)
return self._coerce_numeric((left, right),
map_return=map_return,
map_node_type=map_node_type)
def _coerce_binop(self, op, left, right):
if isinstance(op, (ast.BitAnd, ast.BitOr, ast.BitXor,
if isinstance(op, ast.MatMult):
if types.is_var(left.type) or types.is_var(right.type):
return
def num_dims(operand):
if not builtins.is_array(operand.type):
diag = diagnostic.Diagnostic(
"error",
"expected matrix multiplication operand to be of array type, not {type}",
{
"op": op.loc.source(),
"type": types.TypePrinter().name(operand.type)
}, op.loc, [operand.loc])
self.engine.process(diag)
return
num_dims = operand.type.find()["num_dims"].value
if num_dims not in (1, 2):
diag = diagnostic.Diagnostic(
"error",
"expected matrix multiplication operand to be 1- or 2-dimensional, not {type}",
{
"op": op.loc.source(),
"type": types.TypePrinter().name(operand.type)
}, op.loc, [operand.loc])
self.engine.process(diag)
return
return num_dims
left_dims = num_dims(left)
if not left_dims:
return
right_dims = num_dims(right)
if not right_dims:
return
def map_node_type(typ):
return typ.find()["elt"]
def map_return(typ):
if left_dims == 1:
if right_dims == 1:
result_dims = 0
else:
result_dims = 1
elif right_dims == 1:
result_dims = 1
else:
result_dims = 2
result = typ if result_dims == 0 else builtins.TArray(
typ, result_dims)
return (result, builtins.TArray(typ, left_dims),
builtins.TArray(typ, right_dims))
return self._coerce_numeric((left, right),
map_return=map_return,
map_node_type=map_node_type)
elif builtins.is_array(left.type) or builtins.is_array(right.type):
# Operations on arrays are element-wise (possibly using broadcasting).
# TODO: Allow only for integer arrays.
# allowed_int_array_ops = (ast.BitAnd, ast.BitOr, ast.BitXor, ast.LShift,
# ast.RShift)
allowed_array_ops = (ast.Add, ast.Mult, ast.FloorDiv, ast.Mod,
ast.Pow, ast.Sub, ast.Div)
if not isinstance(op, allowed_array_ops):
diag = diagnostic.Diagnostic(
"error", "operator '{op}' not valid for array types",
{"op": op.loc.source()}, op.loc)
self.engine.process(diag)
return
def map_result(typ):
if isinstance(op, ast.Div):
return builtins.TFloat()
return typ
return self._coerce_binary_broadcast_op(left, right, map_result, op.loc)
elif isinstance(op, (ast.BitAnd, ast.BitOr, ast.BitXor,
ast.LShift, ast.RShift)):
# bitwise operators require integers
for operand in (left, right):
@ -444,7 +622,7 @@ class Inferencer(algorithm.Visitor):
# division always returns a float
return self._coerce_numeric((left, right),
lambda typ: (builtins.TFloat(), builtins.TFloat(), builtins.TFloat()))
else: # MatMult
else:
diag = diagnostic.Diagnostic("error",
"operator '{op}' is not supported", {"op": op.loc.source()},
op.loc)
@ -682,28 +860,99 @@ class Inferencer(algorithm.Visitor):
pass
else:
diagnose(valid_forms())
elif types.is_builtin(typ, "list") or types.is_builtin(typ, "array"):
if types.is_builtin(typ, "list"):
valid_forms = lambda: [
valid_form("list() -> list(elt='a)"),
valid_form("list(x:'a) -> list(elt='b) where 'a is iterable")
]
elif types.is_builtin(typ, "str"):
diag = diagnostic.Diagnostic("error",
"strings currently cannot be constructed", {},
node.loc)
self.engine.process(diag)
elif types.is_builtin(typ, "array"):
valid_forms = lambda: [
valid_form("array(x:'a) -> array(elt='b) where 'a is iterable"),
valid_form("array(x:'a, dtype:'b) -> array(elt='b) where 'a is iterable")
]
self._unify(node.type, builtins.TList(),
node.loc, None)
elif types.is_builtin(typ, "array"):
valid_forms = lambda: [
valid_form("array() -> array(elt='a)"),
valid_form("array(x:'a) -> array(elt='b) where 'a is iterable")
]
explicit_dtype = None
keywords_acceptable = False
if len(node.keywords) == 0:
keywords_acceptable = True
elif len(node.keywords) == 1:
if node.keywords[0].arg == "dtype":
keywords_acceptable = True
explicit_dtype = node.keywords[0].value
if len(node.args) == 1 and keywords_acceptable:
arg, = node.args
self._unify(node.type, builtins.TArray(),
node.loc, None)
# In the absence of any other information (there currently isn't a way
# to specify any), assume that all iterables are expandable into a
# (runtime-checked) rectangular array of the innermost element type.
elt = arg.type
num_dims = 0
result_dims = (node.type.find()["num_dims"].value
if builtins.is_array(node.type) else -1)
while True:
if num_dims == result_dims:
# If we already know the number of dimensions of the result,
# stop so we can disambiguate the (innermost) element type of
# the argument if it is still unknown (e.g. empty array).
break
if types.is_var(elt):
return # undetermined yet
if not builtins.is_iterable(elt) or builtins.is_str(elt):
break
if builtins.is_array(elt):
num_dims += elt.find()["num_dims"].value
else:
num_dims += 1
elt = builtins.get_iterable_elt(elt)
if explicit_dtype is not None:
# TODO: Factor out type detection; support quoted type constructors
# (TList(TInt32), …)?
typ = explicit_dtype.type
if types.is_builtin(typ, "int32"):
elt = builtins.TInt32()
elif types.is_builtin(typ, "int64"):
elt = builtins.TInt64()
elif types.is_constructor(typ):
elt = typ.find().instance
else:
diag = diagnostic.Diagnostic(
"error",
"dtype argument of {builtin}() must be a valid constructor",
{"builtin": typ.find().name},
node.func.loc,
notes=[note])
self.engine.process(diag)
return
if num_dims == 0:
note = diagnostic.Diagnostic(
"note", "this expression has type {type}",
{"type": types.TypePrinter().name(arg.type)}, arg.loc)
diag = diagnostic.Diagnostic(
"error",
"the argument of {builtin}() must be of an iterable type",
{"builtin": typ.find().name},
node.func.loc,
notes=[note])
self.engine.process(diag)
return
self._unify(node.type,
builtins.TArray(elt, types.TValue(num_dims)),
node.loc, arg.loc)
else:
assert False
diagnose(valid_forms())
elif types.is_builtin(typ, "list"):
valid_forms = lambda: [
valid_form("list() -> list(elt='a)"),
valid_form("list(x:'a) -> list(elt='b) where 'a is iterable")
]
self._unify(node.type, builtins.TList(), node.loc, None)
if len(node.args) == 0 and len(node.keywords) == 0:
pass # []
pass # []
elif len(node.args) == 1 and len(node.keywords) == 0:
arg, = node.args
@ -798,6 +1047,28 @@ class Inferencer(algorithm.Visitor):
arg.loc, None)
else:
diagnose(valid_forms())
elif types.is_builtin(typ, "abs"):
fn = typ.name
valid_forms = lambda: [
valid_form("abs(x:numpy.int?) -> numpy.int?"),
valid_form("abs(x:float) -> float")
]
if len(node.args) == 1 and len(node.keywords) == 0:
(arg,) = node.args
if builtins.is_int(arg.type) or builtins.is_float(arg.type):
self._unify(arg.type, node.type,
arg.loc, node.loc)
elif types.is_var(arg.type):
pass # undetermined yet
else:
diag = diagnostic.Diagnostic("error",
"the arguments of abs() must be of a numeric type", {},
node.func.loc)
self.engine.process(diag)
else:
diagnose(valid_forms())
elif types.is_builtin(typ, "min") or types.is_builtin(typ, "max"):
fn = typ.name
@ -844,21 +1115,69 @@ class Inferencer(algorithm.Visitor):
diagnose(valid_forms())
elif types.is_builtin(typ, "make_array"):
valid_forms = lambda: [
valid_form("numpy.full(count:int32, value:'a) -> numpy.array(elt='a)")
valid_form("numpy.full(count:int32, value:'a) -> array(elt='a, num_dims=1)"),
valid_form("numpy.full(shape:(int32,)*'b, value:'a) -> array(elt='a, num_dims='b)"),
]
self._unify(node.type, builtins.TArray(),
node.loc, None)
if len(node.args) == 2 and len(node.keywords) == 0:
arg0, arg1 = node.args
self._unify(arg0.type, builtins.TInt32(),
arg0.loc, None)
if types.is_var(arg0.type):
return # undetermined yet
elif types.is_tuple(arg0.type):
num_dims = len(arg0.type.find().elts)
self._unify(arg0.type, types.TTuple([builtins.TInt32()] * num_dims),
arg0.loc, None)
else:
num_dims = 1
self._unify(arg0.type, builtins.TInt32(),
arg0.loc, None)
self._unify(node.type, builtins.TArray(num_dims=num_dims),
node.loc, None)
self._unify(arg1.type, node.type.find()["elt"],
arg1.loc, None)
else:
diagnose(valid_forms())
elif types.is_builtin(typ, "numpy.transpose"):
valid_forms = lambda: [
valid_form("transpose(x: array(elt='a, num_dims=1)) -> array(elt='a, num_dims=1)"),
valid_form("transpose(x: array(elt='a, num_dims=2)) -> array(elt='a, num_dims=2)")
]
if len(node.args) == 1 and len(node.keywords) == 0:
arg, = node.args
if types.is_var(arg.type):
pass # undetermined yet
elif not builtins.is_array(arg.type):
note = diagnostic.Diagnostic(
"note", "this expression has type {type}",
{"type": types.TypePrinter().name(arg.type)}, arg.loc)
diag = diagnostic.Diagnostic(
"error",
"the argument of {builtin}() must be an array",
{"builtin": typ.find().name},
node.func.loc,
notes=[note])
self.engine.process(diag)
else:
num_dims = arg.type.find()["num_dims"].value
if num_dims not in (1, 2):
note = diagnostic.Diagnostic(
"note", "argument is {num_dims}-dimensional",
{"num_dims": num_dims}, arg.loc)
diag = diagnostic.Diagnostic(
"error",
"{builtin}() is currently only supported for up to "
"two-dimensional arrays", {"builtin": typ.find().name},
node.func.loc,
notes=[note])
self.engine.process(diag)
else:
self._unify(node.type, arg.type, node.loc, None)
else:
diagnose(valid_forms())
elif types.is_builtin(typ, "rtio_log"):
valid_forms = lambda: [
valid_form("rtio_log(channel:str, args...) -> None"),
@ -892,9 +1211,6 @@ class Inferencer(algorithm.Visitor):
elif types.is_builtin(typ, "at_mu"):
simple_form("at_mu(time_mu:numpy.int64) -> None",
[builtins.TInt64()])
elif types.is_builtin(typ, "watchdog"):
simple_form("watchdog(time:float) -> [builtin context manager]",
[builtins.TFloat()], builtins.TNone())
elif types.is_constructor(typ):
# An user-defined class.
self._unify(node.type, typ.find().instance,
@ -978,6 +1294,27 @@ class Inferencer(algorithm.Visitor):
self.engine.process(diag)
return
# Array broadcasting for functions explicitly marked as such.
if len(node.args) == typ_arity and types.is_broadcast_across_arrays(typ):
if typ_arity == 1:
arg_type = node.args[0].type.find()
if builtins.is_array(arg_type):
typ_arg, = typ_args.values()
self._unify(typ_arg, arg_type["elt"], node.args[0].loc, None)
self._unify(node.type, builtins.TArray(typ_ret, arg_type["num_dims"]),
node.loc, None)
return
elif typ_arity == 2:
if any(builtins.is_array(arg.type) for arg in node.args):
ret, arg0, arg1 = self._coerce_binary_broadcast_op(
node.args[0], node.args[1], lambda t: typ_ret, node.loc)
node.args[0] = self._coerce_one(arg0, node.args[0],
other_node=node.args[1])
node.args[1] = self._coerce_one(arg1, node.args[1],
other_node=node.args[0])
self._unify(node.type, ret, node.loc, None)
return
for actualarg, (formalname, formaltyp) in \
zip(node.args, list(typ_args.items()) + list(typ_optargs.items())):
self._unify(actualarg.type, formaltyp,
@ -999,6 +1336,17 @@ class Inferencer(algorithm.Visitor):
elif keyword.arg in typ_optargs:
self._unify(keyword.value.type, typ_optargs[keyword.arg],
keyword.value.loc, None)
else:
note = diagnostic.Diagnostic("note",
"extraneous argument", {},
keyword.loc)
diag = diagnostic.Diagnostic("error",
"this function of type {type} does not accept argument '{name}'",
{"type": types.TypePrinter().name(node.func.type),
"name": keyword.arg},
node.func.loc, [], [note])
self.engine.process(diag)
return
passed_args[keyword.arg] = keyword.arg_loc
for formalname in typ_args:
@ -1107,9 +1455,7 @@ class Inferencer(algorithm.Visitor):
typ = node.context_expr.type
if (types.is_builtin(typ, "interleave") or types.is_builtin(typ, "sequential") or
types.is_builtin(typ, "parallel") or
(isinstance(node.context_expr, asttyped.CallT) and
types.is_builtin(node.context_expr.func.type, "watchdog"))):
types.is_builtin(typ, "parallel")):
# builtin context managers
if node.optional_vars is not None:
self._unify(node.optional_vars.type, builtins.TNone(),

19
artiq/compiler/transforms/int_monomorphizer.py
View File

@ -26,22 +26,3 @@ class IntMonomorphizer(algorithm.Visitor):
return
node.type["width"].unify(types.TValue(width))
def visit_CallT(self, node):
self.generic_visit(node)
if types.is_builtin(node.func.type, "int") or \
types.is_builtin(node.func.type, "round"):
typ = node.type.find()
if types.is_var(typ["width"]):
typ["width"].unify(types.TValue(32))
def visit_CoerceT(self, node):
if isinstance(node.value, asttyped.NumT) and \
builtins.is_int(node.type) and \
builtins.is_int(node.value.type) and \
not types.is_var(node.type["width"]) and \
types.is_var(node.value.type["width"]):
node.value.type.unify(node.type)
self.generic_visit(node)

340
artiq/compiler/transforms/llvm_ir_generator.py
View File

@ -9,6 +9,7 @@ from pythonparser import ast, diagnostic
from llvmlite_artiq import ir as ll, binding as llvm
from ...language import core as language_core
from .. import types, builtins, ir
from ..embedding import SpecializedFunction
llvoid = ll.VoidType()
@ -22,7 +23,7 @@ llptr = ll.IntType(8).as_pointer()
llptrptr = ll.IntType(8).as_pointer().as_pointer()
llslice = ll.LiteralStructType([llptr, lli32])
llsliceptr = ll.LiteralStructType([llptr, lli32]).as_pointer()
llmetadata = ll.MetaData()
llmetadata = ll.MetaDataType()
def memoize(generator):
@ -123,6 +124,35 @@ class DebugInfoEmitter:
"scope": scope
})
class ABILayoutInfo:
"""Caches DataLayout size/alignment lookup results.
llvmlite's Type.get_abi_{size, alignment}() are implemented in a very
inefficient way, in particular _get_ll_pointer_type() used to construct the
corresponding llvm::Type is. We thus cache the results, optionally directly
using the compiler type as a key.
(This is a separate class for use with @memoize.)
"""
def __init__(self, lldatalayout, llcontext, llty_of_type):
self.cache = {}
self.lldatalayout = lldatalayout
self.llcontext = llcontext
self.llty_of_type = llty_of_type
@memoize
def get_size_align(self, llty):
lowered = llty._get_ll_pointer_type(self.lldatalayout, self.llcontext)
return (self.lldatalayout.get_pointee_abi_size(lowered),
self.lldatalayout.get_pointee_abi_alignment(lowered))
@memoize
def get_size_align_for_type(self, typ):
return self.get_size_align(self.llty_of_type(typ))
class LLVMIRGenerator:
def __init__(self, engine, module_name, target, embedding_map):
self.engine = engine
@ -133,6 +163,8 @@ class LLVMIRGenerator:
self.llmodule.triple = target.triple
self.llmodule.data_layout = target.data_layout
self.lldatalayout = llvm.create_target_data(self.llmodule.data_layout)
self.abi_layout_info = ABILayoutInfo(self.lldatalayout, self.llcontext,
self.llty_of_type)
self.function_flags = None
self.llfunction = None
self.llmap = {}
@ -148,10 +180,6 @@ class LLVMIRGenerator:
self.tbaa_tree,
ll.Constant(lli64, 1)
])
self.tbaa_now = self.llmodule.add_metadata([
ll.MetaDataString(self.llmodule, "timeline position"),
self.tbaa_tree
])
def needs_sret(self, lltyp, may_be_large=True):
if isinstance(lltyp, ll.VoidType):
@ -177,13 +205,13 @@ class LLVMIRGenerator:
typ = typ.find()
if types.is_tuple(typ):
return ll.LiteralStructType([self.llty_of_type(eltty) for eltty in typ.elts])
elif types.is_rpc(typ) or types.is_c_function(typ):
elif types.is_rpc(typ) or types.is_external_function(typ):
if for_return:
return llvoid
else:
return ll.LiteralStructType([])
return llunit
elif types._is_pointer(typ):
return llptr
return ll.PointerType(self.llty_of_type(typ["elt"]))
elif types.is_function(typ):
sretarg = []
llretty = self.llty_of_type(typ.ret, for_return=True)
@ -211,13 +239,17 @@ class LLVMIRGenerator:
if for_return:
return llvoid
else:
return ll.LiteralStructType([])
return llunit
elif builtins.is_bool(typ):
return lli1
elif builtins.is_int(typ):
return ll.IntType(builtins.get_int_width(typ))
elif builtins.is_float(typ):
return lldouble
elif builtins.is_array(typ):
llshapety = self.llty_of_type(typ.attributes["shape"])
llbufferty = self.llty_of_type(typ.attributes["buffer"])
return ll.LiteralStructType([llbufferty, llshapety])
elif builtins.is_listish(typ):
lleltty = self.llty_of_type(builtins.get_iterable_elt(typ))
return ll.LiteralStructType([lleltty.as_pointer(), lli32])
@ -270,7 +302,7 @@ class LLVMIRGenerator:
sanitized_str = re.sub(rb"[^a-zA-Z0-9_.]", b"", as_bytes[:20]).decode('ascii')
name = self.llmodule.get_unique_name("S.{}".format(sanitized_str))
llstr = self.llmodule.get_global(name)
llstr = self.llmodule.globals.get(name)
if llstr is None:
llstrty = ll.ArrayType(lli8, len(as_bytes))
llstr = ll.GlobalVariable(self.llmodule, llstrty, name)
@ -306,7 +338,7 @@ class LLVMIRGenerator:
assert False
def llbuiltin(self, name):
llglobal = self.llmodule.get_global(name)
llglobal = self.llmodule.globals.get(name)
if llglobal is not None:
return llglobal
@ -335,15 +367,13 @@ class LLVMIRGenerator:
elif name == self.target.print_function:
llty = ll.FunctionType(llvoid, [llptr], var_arg=True)
elif name == "rtio_log":
llty = ll.FunctionType(llvoid, [lli64, llptr], var_arg=True)
llty = ll.FunctionType(llvoid, [llptr], var_arg=True)
elif name == "__artiq_personality":
llty = ll.FunctionType(lli32, [], var_arg=True)
elif name == "__artiq_raise":
llty = ll.FunctionType(llvoid, [self.llty_of_type(builtins.TException())])
elif name == "__artiq_reraise":
llty = ll.FunctionType(llvoid, [])
elif name in "abort":
llty = ll.FunctionType(llvoid, [])
elif name == "memcmp":
llty = ll.FunctionType(lli32, [llptr, llptr, lli32])
elif name == "rpc_send":
@ -352,12 +382,19 @@ class LLVMIRGenerator:
llty = ll.FunctionType(llvoid, [lli32, llsliceptr, llptrptr])
elif name == "rpc_recv":
llty = ll.FunctionType(lli32, [llptr])
# with now-pinning
elif name == "now":
llty = lli64
elif name == "watchdog_set":
llty = ll.FunctionType(lli32, [lli64])
elif name == "watchdog_clear":
llty = ll.FunctionType(llvoid, [lli32])
# without now-pinning
elif name == "now_mu":
llty = ll.FunctionType(lli64, [])
elif name == "at_mu":
llty = ll.FunctionType(llvoid, [lli64])
elif name == "delay_mu":
llty = ll.FunctionType(llvoid, [lli64])
else:
assert False
@ -366,7 +403,6 @@ class LLVMIRGenerator:
if name in ("__artiq_raise", "__artiq_reraise", "llvm.trap"):
llglobal.attributes.add("noreturn")
if name in ("rtio_log", "rpc_send", "rpc_send_async",
"watchdog_set", "watchdog_clear",
self.target.print_function):
llglobal.attributes.add("nounwind")
if name.find("__py_") == 0:
@ -458,7 +494,7 @@ class LLVMIRGenerator:
assert False
def get_function(self, typ, name):
llfun = self.llmodule.get_global(name)
llfun = self.llmodule.globals.get(name)
if llfun is None:
llfunty = self.llty_of_type(typ, bare=True)
llfun = ll.Function(self.llmodule, llfunty, name)
@ -499,7 +535,7 @@ class LLVMIRGenerator:
llobjects = defaultdict(lambda: [])
for obj_id, obj_ref, obj_typ in self.embedding_map.iter_objects():
llobject = self.llmodule.get_global("O.{}".format(obj_id))
llobject = self.llmodule.globals.get("O.{}".format(obj_id))
if llobject is not None:
llobjects[obj_typ].append(llobject.bitcast(llptr))
@ -524,11 +560,10 @@ class LLVMIRGenerator:
print(typ)
assert False
if not (types.is_function(typ) or types.is_method(typ) or types.is_rpc(typ) or
name == "__objectid__"):
rpctag = b"Os" + self._rpc_tag(typ, error_handler=rpc_tag_error) + b":n"
else:
if name == "__objectid__":
rpctag = b""
else:
rpctag = b"Os" + ir.rpc_tag(typ, error_handler=rpc_tag_error) + b":n"
llrpcattrinit = ll.Constant(llrpcattrty, [
ll.Constant(lli32, offset),
@ -551,17 +586,17 @@ class LLVMIRGenerator:
offset = 0
llrpcattrs = []
for attr in typ.attributes:
attrtyp = typ.attributes[attr]
size = self.llty_of_type(attrtyp). \
get_abi_size(self.lldatalayout, context=self.llcontext)
alignment = self.llty_of_type(attrtyp). \
get_abi_alignment(self.lldatalayout, context=self.llcontext)
attrtyp = typ.attributes[attr]
size, alignment = self.abi_layout_info.get_size_align_for_type(attrtyp)
if offset % alignment != 0:
offset += alignment - (offset % alignment)
if types.is_instance(typ) and attr not in typ.constant_attributes:
llrpcattrs.append(llrpcattr_of_attr(offset, attr, attrtyp))
try:
llrpcattrs.append(llrpcattr_of_attr(offset, attr, attrtyp))
except ValueError:
pass
offset += size
@ -695,15 +730,19 @@ class LLVMIRGenerator:
name=insn.name)
else:
assert False
elif builtins.is_listish(insn.type):
elif types._is_pointer(insn.type) or (builtins.is_listish(insn.type)
and not builtins.is_array(insn.type)):
llsize = self.map(insn.operands[0])
lleltty = self.llty_of_type(builtins.get_iterable_elt(insn.type))
llalloc = self.llbuilder.alloca(lleltty, size=llsize)
if types._is_pointer(insn.type):
return llalloc
llvalue = ll.Constant(self.llty_of_type(insn.type), ll.Undefined)
llvalue = self.llbuilder.insert_value(llvalue, llalloc, 0, name=insn.name)
llvalue = self.llbuilder.insert_value(llvalue, llsize, 1)
return llvalue
elif not builtins.is_allocated(insn.type) or ir.is_keyword(insn.type):
elif (not builtins.is_allocated(insn.type) or ir.is_keyword(insn.type)
or builtins.is_array(insn.type)):
llvalue = ll.Constant(self.llty_of_type(insn.type), ll.Undefined)
for index, elt in enumerate(insn.operands):
llvalue = self.llbuilder.insert_value(llvalue, self.map(elt), index)
@ -720,9 +759,8 @@ class LLVMIRGenerator:
self.llbuilder.store(lloperand, llfieldptr)
return llalloc
def llptr_to_var(self, llenv, env_ty, var_name, var_type=None):
if var_name in env_ty.params and (var_type is None or
env_ty.params[var_name] == var_type):
def llptr_to_var(self, llenv, env_ty, var_name):
if var_name in env_ty.params:
var_index = list(env_ty.params.keys()).index(var_name)
return self.llbuilder.gep(llenv, [self.llindex(0), self.llindex(var_index)],
inbounds=True)
@ -731,15 +769,15 @@ class LLVMIRGenerator:
llptr = self.llbuilder.gep(llenv, [self.llindex(0), self.llindex(outer_index)],
inbounds=True)
llouterenv = self.llbuilder.load(llptr)
llouterenv.set_metadata('unconditionally.invariant.load', self.empty_metadata)
llouterenv.set_metadata('invariant.load', self.empty_metadata)
llouterenv.set_metadata('nonnull', self.empty_metadata)
return self.llptr_to_var(llouterenv, env_ty.params["$outer"], var_name)
def mark_dereferenceable(self, load):
assert isinstance(load, ll.LoadInstr) and isinstance(load.type, ll.PointerType)
pointee_size = load.type.pointee.get_abi_size(self.lldatalayout, context=self.llcontext)
pointee_size, _ = self.abi_layout_info.get_size_align(load.type.pointee)
metadata = self.llmodule.add_metadata([ll.Constant(lli64, pointee_size)])
load.set_metadata('unconditionally_dereferenceable', metadata)
load.set_metadata('dereferenceable', metadata)
def process_GetLocal(self, insn):
env = insn.environment()
@ -793,7 +831,7 @@ class LLVMIRGenerator:
closure_type = typ.attributes[attr]
assert types.is_constructor(typ)
assert types.is_function(closure_type) or types.is_rpc(closure_type)
if types.is_c_function(closure_type) or types.is_rpc(closure_type):
if types.is_external_function(closure_type) or types.is_rpc(closure_type):
return None
llty = self.llty_of_type(typ.attributes[attr])
@ -839,7 +877,7 @@ class LLVMIRGenerator:
if types.is_tuple(typ):
return self.llbuilder.extract_value(self.map(insn.object()), attr,
name=insn.name)
elif not builtins.is_allocated(typ):
elif builtins.is_array(typ) or not builtins.is_allocated(typ):
return self.llbuilder.extract_value(self.map(insn.object()),
self.attr_index(typ, attr),
name=insn.name)
@ -875,7 +913,7 @@ class LLVMIRGenerator:
inbounds=True, name="ptr.{}".format(insn.name))
llvalue = self.llbuilder.load(llptr, name="val.{}".format(insn.name))
if types.is_instance(typ) and attr in typ.constant_attributes:
llvalue.set_metadata('unconditionally.invariant.load', self.empty_metadata)
llvalue.set_metadata('invariant.load', self.empty_metadata)
if isinstance(llvalue.type, ll.PointerType):
self.mark_dereferenceable(llvalue)
return llvalue
@ -902,20 +940,28 @@ class LLVMIRGenerator:
inbounds=True, name=insn.name)
return self.llbuilder.store(llvalue, llptr)
def process_GetElem(self, insn):
lst, idx = insn.list(), insn.index()
lllst, llidx = map(self.map, (lst, idx))
llelts = self.llbuilder.extract_value(lllst, 0)
def process_Offset(self, insn):
base, idx = insn.base(), insn.index()
llelts, llidx = map(self.map, (base, idx))
if not types._is_pointer(base.type):
# This is list-ish.
llelts = self.llbuilder.extract_value(llelts, 0)
llelt = self.llbuilder.gep(llelts, [llidx], inbounds=True)
return llelt
def process_GetElem(self, insn):
llelt = self.process_Offset(insn)
llvalue = self.llbuilder.load(llelt)
if isinstance(llvalue.type, ll.PointerType):
self.mark_dereferenceable(llvalue)
return llvalue
def process_SetElem(self, insn):
lst, idx = insn.list(), insn.index()
lllst, llidx = map(self.map, (lst, idx))
llelts = self.llbuilder.extract_value(lllst, 0)
base, idx = insn.base(), insn.index()
llelts, llidx = map(self.map, (base, idx))
if not types._is_pointer(base.type):
# This is list-ish.
llelts = self.llbuilder.extract_value(llelts, 0)
llelt = self.llbuilder.gep(llelts, [llidx], inbounds=True)
return self.llbuilder.store(self.map(insn.value()), llelt)
@ -1090,8 +1136,6 @@ class LLVMIRGenerator:
def process_Builtin(self, insn):
if insn.op == "nop":
return self.llbuilder.call(self.llbuiltin("llvm.donothing"), [])
if insn.op == "abort":
return self.llbuilder.call(self.llbuiltin("abort"), [])
elif insn.op == "is_some":
lloptarg = self.map(insn.operands[0])
return self.llbuilder.extract_value(lloptarg, 0,
@ -1118,7 +1162,7 @@ class LLVMIRGenerator:
llptr = self.llbuilder.gep(llenv, [self.llindex(0), self.llindex(outer_index)],
inbounds=True)
llouterenv = self.llbuilder.load(llptr)
llouterenv.set_metadata('unconditionally.invariant.load', self.empty_metadata)
llouterenv.set_metadata('invariant.load', self.empty_metadata)
llouterenv.set_metadata('nonnull', self.empty_metadata)
return self.llptr_to_var(llouterenv, env_ty.params["$outer"], var_name)
else:
@ -1128,13 +1172,18 @@ class LLVMIRGenerator:
return get_outer(self.map(env), env.type)
elif insn.op == "len":
collection, = insn.operands
if builtins.is_array(collection.type):
# Return length of outermost dimension.
shape = self.llbuilder.extract_value(self.map(collection),
self.attr_index(collection.type, "shape"))
return self.llbuilder.extract_value(shape, 0)
return self.llbuilder.extract_value(self.map(collection), 1)
elif insn.op in ("printf", "rtio_log"):
# We only get integers, floats, pointers and strings here.
lloperands = []
for i, operand in enumerate(insn.operands):
lloperand = self.map(operand)
if i == 0 and insn.op == "printf" or i == 1 and insn.op == "rtio_log":
if i == 0 and (insn.op == "printf" or insn.op == "rtio_log"):
lloperands.append(self.llbuilder.extract_value(lloperand, 0))
elif builtins.is_str(operand.type) or builtins.is_bytes(operand.type):
lloperands.append(self.llbuilder.extract_value(lloperand, 1))
@ -1148,27 +1197,43 @@ class LLVMIRGenerator:
# This is an identity cast at LLVM IR level.
return self.map(insn.operands[0])
elif insn.op == "now_mu":
llnow = self.llbuilder.load(self.llbuiltin("now"), name=insn.name)
llnow.set_metadata("tbaa", self.tbaa_now)
return llnow
if self.target.now_pinning:
return self.llbuilder.load(self.llbuiltin("now"), name=insn.name)
else:
return self.llbuilder.call(self.llbuiltin("now_mu"), [])
elif insn.op == "at_mu":
time, = insn.operands
return self.llbuilder.store(self.map(time), self.llbuiltin("now"))
lltime = self.map(time)
if self.target.now_pinning:
lltime_hi = self.llbuilder.trunc(self.llbuilder.lshr(lltime, ll.Constant(lli64, 32)), lli32)
lltime_lo = self.llbuilder.trunc(lltime, lli32)
llnow_hiptr = self.llbuilder.bitcast(self.llbuiltin("now"), lli32.as_pointer())
llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
if self.target.little_endian:
lltime_hi, lltime_lo = lltime_lo, lltime_hi
llstore_hi = self.llbuilder.store_atomic(lltime_hi, llnow_hiptr, ordering="seq_cst", align=4)
llstore_lo = self.llbuilder.store_atomic(lltime_lo, llnow_loptr, ordering="seq_cst", align=4)
return llstore_lo
else:
return self.llbuilder.call(self.llbuiltin("at_mu"), [lltime])
elif insn.op == "delay_mu":
interval, = insn.operands
llnowptr = self.llbuiltin("now")
llnow = self.llbuilder.load(llnowptr, name="now.old")
llnow.set_metadata("tbaa", self.tbaa_now)
lladjusted = self.llbuilder.add(llnow, self.map(interval), name="now.new")
llnowstore = self.llbuilder.store(lladjusted, llnowptr)
llnowstore.set_metadata("tbaa", self.tbaa_now)
return llnowstore
elif insn.op == "watchdog_set":
interval, = insn.operands
return self.llbuilder.call(self.llbuiltin("watchdog_set"), [self.map(interval)])
elif insn.op == "watchdog_clear":
id, = insn.operands
return self.llbuilder.call(self.llbuiltin("watchdog_clear"), [self.map(id)])
llinterval = self.map(interval)
if self.target.now_pinning:
llnowptr = self.llbuiltin("now")
llnow = self.llbuilder.load(llnowptr, name="now.old")
lladjusted = self.llbuilder.add(llnow, llinterval, name="now.new")
lladjusted_hi = self.llbuilder.trunc(self.llbuilder.lshr(lladjusted, ll.Constant(lli64, 32)), lli32)
lladjusted_lo = self.llbuilder.trunc(lladjusted, lli32)
llnow_hiptr = self.llbuilder.bitcast(llnowptr, lli32.as_pointer())
llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
if self.target.little_endian:
lladjusted_hi, lladjusted_lo = lladjusted_lo, lladjusted_hi
llstore_hi = self.llbuilder.store_atomic(lladjusted_hi, llnow_hiptr, ordering="seq_cst", align=4)
llstore_lo = self.llbuilder.store_atomic(lladjusted_lo, llnow_loptr, ordering="seq_cst", align=4)
return llstore_lo
else:
return self.llbuilder.call(self.llbuiltin("delay_mu"), [llinterval])
else:
assert False
@ -1209,7 +1274,7 @@ class LLVMIRGenerator:
llargs.append(llarg)
llfunname = insn.target_function().type.name
llfun = self.llmodule.get_global(llfunname)
llfun = self.llmodule.globals.get(llfunname)
if llfun is None:
llretty = self.llty_of_type(insn.type, for_return=True)
if self.needs_sret(llretty):
@ -1230,47 +1295,6 @@ class LLVMIRGenerator:
return llfun, list(llargs)
# See session.c:{send,receive}_rpc_value and comm_generic.py:_{send,receive}_rpc_value.
def _rpc_tag(self, typ, error_handler):
typ = typ.find()
if types.is_tuple(typ):
assert len(typ.elts) < 256
return b"t" + bytes([len(typ.elts)]) + \
b"".join([self._rpc_tag(elt_type, error_handler)
for elt_type in typ.elts])
elif builtins.is_none(typ):
return b"n"
elif builtins.is_bool(typ):
return b"b"
elif builtins.is_int(typ, types.TValue(32)):
return b"i"
elif builtins.is_int(typ, types.TValue(64)):
return b"I"
elif builtins.is_float(typ):
return b"f"
elif builtins.is_str(typ):
return b"s"
elif builtins.is_bytes(typ):
return b"B"
elif builtins.is_bytearray(typ):
return b"A"
elif builtins.is_list(typ):
return b"l" + self._rpc_tag(builtins.get_iterable_elt(typ),
error_handler)
elif builtins.is_array(typ):
return b"a" + self._rpc_tag(builtins.get_iterable_elt(typ),
error_handler)
elif builtins.is_range(typ):
return b"r" + self._rpc_tag(builtins.get_iterable_elt(typ),
error_handler)
elif ir.is_keyword(typ):
return b"k" + self._rpc_tag(typ.params["value"],
error_handler)
elif '__objectid__' in typ.attributes:
return b"O"
else:
error_handler(typ)
def _build_rpc(self, fun_loc, fun_type, args, llnormalblock, llunwindblock):
llservice = ll.Constant(lli32, fun_type.service)
@ -1288,7 +1312,7 @@ class LLVMIRGenerator:
{"type": printer.name(arg.type)},
arg.loc)
self.engine.process(diag)
tag += self._rpc_tag(arg.type, arg_error_handler)
tag += ir.rpc_tag(arg.type, arg_error_handler)
tag += b":"
def ret_error_handler(typ):
@ -1302,7 +1326,7 @@ class LLVMIRGenerator:
{"type": printer.name(fun_type.ret)},
fun_loc)
self.engine.process(diag)
tag += self._rpc_tag(fun_type.ret, ret_error_handler)
tag += ir.rpc_tag(fun_type.ret, ret_error_handler)
lltag = self.llconst_of_const(ir.Constant(tag, builtins.TStr()))
lltagptr = self.llbuilder.alloca(lltag.type)
@ -1315,7 +1339,7 @@ class LLVMIRGenerator:
name="rpc.args")
for index, arg in enumerate(args):
if builtins.is_none(arg.type):
llargslot = self.llbuilder.alloca(ll.LiteralStructType([]),
llargslot = self.llbuilder.alloca(llunit,
name="rpc.arg{}".format(index))
else:
llarg = self.map(arg)
@ -1327,7 +1351,7 @@ class LLVMIRGenerator:
llargptr = self.llbuilder.gep(llargs, [ll.Constant(lli32, index)])
self.llbuilder.store(llargslot, llargptr)
if fun_type.async:
if fun_type.is_async:
self.llbuilder.call(self.llbuiltin("rpc_send_async"),
[llservice, lltagptr, llargs])
else:
@ -1337,7 +1361,13 @@ class LLVMIRGenerator:
# Don't waste stack space on saved arguments.
self.llbuilder.call(self.llbuiltin("llvm.stackrestore"), [llstackptr])
if fun_type.async:
if fun_type.is_async:
# If this RPC is called using an `invoke` ARTIQ IR instruction, there will be
# no other instructions in this basic block. Since this RPC is async, it cannot
# possibly raise an exception, so add an explicit jump to the normal successor.
if llunwindblock:
self.llbuilder.branch(llnormalblock)
return ll.Undefined
# T result = {
@ -1383,7 +1413,7 @@ class LLVMIRGenerator:
self.llbuilder.position_at_end(lltail)
llret = self.llbuilder.load(llslot, name="rpc.ret")
if not builtins.is_allocated(fun_type.ret):
if not fun_type.ret.fold(False, lambda r, t: r or builtins.is_allocated(t)):
# We didn't allocate anything except the slot for the value itself.
# Don't waste stack space.
self.llbuilder.call(self.llbuiltin("llvm.stackrestore"), [llstackptr])
@ -1398,7 +1428,7 @@ class LLVMIRGenerator:
functiontyp,
insn.arguments(),
llnormalblock=None, llunwindblock=None)
elif types.is_c_function(functiontyp):
elif types.is_external_function(functiontyp):
llfun, llargs = self._prepare_ffi_call(insn)
else:
llfun, llargs = self._prepare_closure_call(insn)
@ -1414,9 +1444,14 @@ class LLVMIRGenerator:
else:
llcall = llresult = self.llbuilder.call(llfun, llargs, name=insn.name)
if isinstance(llresult.type, ll.VoidType):
# We have NoneType-returning functions return void, but None is
# {} elsewhere.
llresult = ll.Constant(llunit, [])
# Never add TBAA nowrite metadata to a functon with sret!
# This leads to miscompilations.
if types.is_c_function(functiontyp) and 'nowrite' in functiontyp.flags:
if types.is_external_function(functiontyp) and 'nowrite' in functiontyp.flags:
llcall.set_metadata('tbaa', self.tbaa_nowrite_call)
return llresult
@ -1430,7 +1465,7 @@ class LLVMIRGenerator:
functiontyp,
insn.arguments(),
llnormalblock, llunwindblock)
elif types.is_c_function(functiontyp):
elif types.is_external_function(functiontyp):
llfun, llargs = self._prepare_ffi_call(insn)
else:
llfun, llargs = self._prepare_closure_call(insn)
@ -1448,12 +1483,22 @@ class LLVMIRGenerator:
llcall = self.llbuilder.invoke(llfun, llargs, llnormalblock, llunwindblock,
name=insn.name)
# See the comment in process_Call.
if types.is_c_function(functiontyp) and 'nowrite' in functiontyp.flags:
llcall.set_metadata('tbaa', self.tbaa_nowrite_call)
# The !tbaa metadata is not legal to use with the invoke instruction,
# so unlike process_Call, we do not set it here.
return llcall
def _quote_listish_to_llglobal(self, value, elt_type, path, kind_name):
llelts = [self._quote(value[i], elt_type, lambda: path() + [str(i)])
for i in range(len(value))]
lleltsary = ll.Constant(ll.ArrayType(self.llty_of_type(elt_type), len(llelts)),
list(llelts))
name = self.llmodule.scope.deduplicate("quoted.{}".format(kind_name))
llglobal = ll.GlobalVariable(self.llmodule, lleltsary.type, name)
llglobal.initializer = lleltsary
llglobal.linkage = "private"
return llglobal.bitcast(lleltsary.type.element.as_pointer())
def _quote(self, value, typ, path):
value_id = id(value)
if value_id in self.llobject_map:
@ -1481,7 +1526,7 @@ class LLVMIRGenerator:
attrvalue = getattr(value, attr)
is_class_function = (types.is_constructor(typ) and
types.is_function(typ.attributes[attr]) and
not types.is_c_function(typ.attributes[attr]))
not types.is_external_function(typ.attributes[attr]))
if is_class_function:
attrvalue = self.embedding_map.specialize_function(typ.instance, attrvalue)
if not (types.is_instance(typ) and attr in typ.constant_attributes):
@ -1530,28 +1575,39 @@ class LLVMIRGenerator:
llstr = self.llstr_of_str(as_bytes)
llconst = ll.Constant(llty, [llstr, ll.Constant(lli32, len(as_bytes))])
return llconst
elif builtins.is_array(typ):
assert isinstance(value, numpy.ndarray), fail_msg
typ = typ.find()
assert len(value.shape) == typ["num_dims"].find().value
flattened = value.reshape((-1,))
lleltsptr = self._quote_listish_to_llglobal(flattened, typ["elt"], path, "array")
llshape = ll.Constant.literal_struct([ll.Constant(lli32, s) for s in value.shape])
return ll.Constant(llty, [lleltsptr, llshape])
elif builtins.is_listish(typ):
assert isinstance(value, (list, numpy.ndarray)), fail_msg
elt_type = builtins.get_iterable_elt(typ)
llelts = [self._quote(value[i], elt_type, lambda: path() + [str(i)])
for i in range(len(value))]
lleltsary = ll.Constant(ll.ArrayType(self.llty_of_type(elt_type), len(llelts)),
list(llelts))
name = self.llmodule.scope.deduplicate("quoted.{}".format(typ.name))
llglobal = ll.GlobalVariable(self.llmodule, lleltsary.type, name)
llglobal.initializer = lleltsary
llglobal.linkage = "private"
lleltsptr = llglobal.bitcast(lleltsary.type.element.as_pointer())
llconst = ll.Constant(llty, [lleltsptr, ll.Constant(lli32, len(llelts))])
lleltsptr = self._quote_listish_to_llglobal(value, elt_type, path, typ.find().name)
llconst = ll.Constant(llty, [lleltsptr, ll.Constant(lli32, len(value))])
return llconst
elif types.is_rpc(typ) or types.is_c_function(typ):
# RPC and C functions have no runtime representation.
elif types.is_tuple(typ):
assert isinstance(value, tuple), fail_msg
llelts = [self._quote(v, t, lambda: path() + [str(i)])
for i, (v, t) in enumerate(zip(value, typ.elts))]
return ll.Constant(llty, llelts)
elif types.is_rpc(typ) or types.is_external_function(typ) or types.is_builtin_function(typ):
# RPC, C and builtin functions have no runtime representation.
return ll.Constant(llty, ll.Undefined)
elif types.is_function(typ):
return self.get_function_with_undef_env(typ.find(),
self.embedding_map.retrieve_function(value))
try:
func = self.embedding_map.retrieve_function(value)
except KeyError:
# If a class function was embedded directly (e.g. by a `C.f(...)` call),
# but it also appears in a class hierarchy, we might need to fall back
# to the non-specialized one, since direct invocations do not cause
# monomorphization.
assert isinstance(value, SpecializedFunction)
func = self.embedding_map.retrieve_function(value.host_function)
return self.get_function_with_undef_env(typ.find(), func)
elif types.is_method(typ):
llclosure = self._quote(value.__func__, types.get_method_function(typ),
lambda: path() + ['__func__'])
@ -1643,7 +1699,7 @@ class LLVMIRGenerator:
llclauseexnname = self.llconst_of_const(
ir.Constant(exnname, builtins.TStr()))
llclauseexnnameptr = self.llmodule.get_global("exn.{}".format(exnname))
llclauseexnnameptr = self.llmodule.globals.get("exn.{}".format(exnname))
if llclauseexnnameptr is None:
llclauseexnnameptr = ll.GlobalVariable(self.llmodule, llclauseexnname.type,
name="exn.{}".format(exnname))

51
artiq/compiler/transforms/local_demoter.py Normal file
View File

@ -0,0 +1,51 @@
"""
:class:`LocalDemoter` is a constant propagation transform:
it replaces reads of any local variable with only one write
in a function without closures with the value that was written.
:class:`LocalAccessValidator` must be run before this transform
to ensure that the transformation it performs is sound.
"""
from collections import defaultdict
from .. import ir
class LocalDemoter:
def process(self, functions):
for func in functions:
self.process_function(func)
def process_function(self, func):
env_safe = {}
env_gets = defaultdict(lambda: set())
env_sets = defaultdict(lambda: set())
for insn in func.instructions():
if isinstance(insn, (ir.GetLocal, ir.SetLocal)):
if "$" in insn.var_name:
continue
env = insn.environment()
if env not in env_safe:
for use in env.uses:
if not isinstance(use, (ir.GetLocal, ir.SetLocal)):
env_safe[env] = False
break
else:
env_safe[env] = True
if not env_safe[env]:
continue
if isinstance(insn, ir.SetLocal):
env_sets[(env, insn.var_name)].add(insn)
else:
env_gets[(env, insn.var_name)].add(insn)
for (env, var_name) in env_sets:
if len(env_sets[(env, var_name)]) == 1:
set_insn = next(iter(env_sets[(env, var_name)]))
for get_insn in env_gets[(env, var_name)]:
get_insn.replace_all_uses_with(set_insn.value())
get_insn.erase()

102
artiq/compiler/types.py
View File

@ -73,7 +73,7 @@ class TVar(Type):
# path compression
iter = self
while iter.__class__ == TVar:
if iter is iter.parent:
if iter is root:
break
else:
iter, iter.parent = iter.parent, root
@ -81,6 +81,8 @@ class TVar(Type):
return root
def unify(self, other):
if other is self:
return
other = other.find()
if self.parent is self:
@ -124,6 +126,8 @@ class TMono(Type):
return self
def unify(self, other):
if other is self:
return
if isinstance(other, TMono) and self.name == other.name:
assert self.params.keys() == other.params.keys()
for param in self.params:
@ -171,6 +175,8 @@ class TTuple(Type):
return self
def unify(self, other):
if other is self:
return
if isinstance(other, TTuple) and len(self.elts) == len(other.elts):
for selfelt, otherelt in zip(self.elts, other.elts):
selfelt.unify(otherelt)
@ -198,8 +204,10 @@ class TTuple(Type):
return hash(tuple(self.elts))
class _TPointer(TMono):
def __init__(self):
super().__init__("pointer")
def __init__(self, elt=None):
if elt is None:
elt = TMono("int", {"width": 8}) # i8*
super().__init__("pointer", params={"elt": elt})
class TFunction(Type):
"""
@ -237,6 +245,8 @@ class TFunction(Type):
return self
def unify(self, other):
if other is self:
return
if isinstance(other, TFunction) and \
self.args.keys() == other.args.keys() and \
self.optargs.keys() == other.optargs.keys():
@ -273,20 +283,29 @@ class TFunction(Type):
def __hash__(self):
return hash((_freeze(self.args), _freeze(self.optargs), self.ret))
class TCFunction(TFunction):
class TExternalFunction(TFunction):
"""
A function type of a runtime-provided C function.
A type of an externally-provided function.
:ivar name: (str) C function name
:ivar flags: (set of str) C function flags.
This can be any function following the C ABI, such as provided by the
C/Rust runtime, or a compiler backend intrinsic. The mangled name to link
against is encoded as part of the type.
:ivar name: (str) external symbol name.
This will be the symbol linked against (following any extra C name
mangling rules).
:ivar flags: (set of str) function flags.
Flag ``nounwind`` means the function never raises an exception.
Flag ``nowrite`` means the function never writes any memory
that the ARTIQ Python code can observe.
:ivar broadcast_across_arrays: (bool)
If True, the function is transparently applied element-wise when called
with TArray arguments.
"""
attributes = OrderedDict()
def __init__(self, args, ret, name, flags={}):
def __init__(self, args, ret, name, flags=set(), broadcast_across_arrays=False):
assert isinstance(flags, set)
for flag in flags:
assert flag in {'nounwind', 'nowrite'}
@ -294,9 +313,12 @@ class TCFunction(TFunction):
self.name = name
self.delay = TFixedDelay(iodelay.Const(0))
self.flags = flags
self.broadcast_across_arrays = broadcast_across_arrays
def unify(self, other):
if isinstance(other, TCFunction) and \
if other is self:
return
if isinstance(other, TExternalFunction) and \
self.name == other.name:
super().unify(other)
elif isinstance(other, TVar):
@ -311,22 +333,24 @@ class TRPC(Type):
:ivar ret: (:class:`Type`)
return type
:ivar service: (int) RPC service number
:ivar async: (bool) whether the RPC blocks until return
:ivar is_async: (bool) whether the RPC blocks until return
"""
attributes = OrderedDict()
def __init__(self, ret, service, async=False):
def __init__(self, ret, service, is_async=False):
assert isinstance(ret, Type)
self.ret, self.service, self.async = ret, service, async
self.ret, self.service, self.is_async = ret, service, is_async
def find(self):
return self
def unify(self, other):
if other is self:
return
if isinstance(other, TRPC) and \
self.service == other.service and \
self.async == other.async:
self.is_async == other.is_async:
self.ret.unify(other.ret)
elif isinstance(other, TVar):
other.unify(self)
@ -343,7 +367,7 @@ class TRPC(Type):
def __eq__(self, other):
return isinstance(other, TRPC) and \
self.service == other.service and \
self.async == other.async
self.is_async == other.is_async
def __ne__(self, other):
return not (self == other)
@ -366,6 +390,8 @@ class TBuiltin(Type):
return self
def unify(self, other):
if other is self:
return
if self != other:
raise UnificationError(self, other)
@ -388,6 +414,11 @@ class TBuiltin(Type):
class TBuiltinFunction(TBuiltin):
"""
A type of a builtin function.
Builtin functions are treated specially throughout all stages of the
compilation process according to their name (e.g. calls may not actually
lower to a function call). See :class:`TExternalFunction` for externally
defined functions that are otherwise regular.
"""
class TConstructor(TBuiltin):
@ -471,6 +502,8 @@ class TValue(Type):
return self
def unify(self, other):
if other is self:
return
if isinstance(other, TVar):
other.unify(self)
elif self != other:
@ -561,13 +594,15 @@ def is_mono(typ, name=None, **params):
if not isinstance(typ, TMono):
return False
params_match = True
if name is not None and typ.name != name:
return False
for param in params:
if param not in typ.params:
return False
params_match = params_match and \
typ.params[param].find() == params[param].find()
return name is None or (typ.name == name and params_match)
if typ.params[param].find() != params[param].find():
return False
return True
def is_polymorphic(typ):
return typ.fold(False, lambda accum, typ: accum or is_var(typ))
@ -589,12 +624,12 @@ def is_function(typ):
def is_rpc(typ):
return isinstance(typ.find(), TRPC)
def is_c_function(typ, name=None):
def is_external_function(typ, name=None):
typ = typ.find()
if name is None:
return isinstance(typ, TCFunction)
return isinstance(typ, TExternalFunction)
else:
return isinstance(typ, TCFunction) and \
return isinstance(typ, TExternalFunction) and \
typ.name == name
def is_builtin(typ, name=None):
@ -605,6 +640,23 @@ def is_builtin(typ, name=None):
return isinstance(typ, TBuiltin) and \
typ.name == name
def is_builtin_function(typ, name=None):
typ = typ.find()
if name is None:
return isinstance(typ, TBuiltinFunction)
else:
return isinstance(typ, TBuiltinFunction) and \
typ.name == name
def is_broadcast_across_arrays(typ):
# For now, broadcasting is only exposed to predefined external functions, and
# statically selected. Might be extended to user-defined functions if the design
# pans out.
typ = typ.find()
if not isinstance(typ, TExternalFunction):
return False
return typ.broadcast_across_arrays
def is_constructor(typ, name=None):
typ = typ.find()
if name is not None:
@ -709,12 +761,14 @@ class TypePrinter(object):
else:
return "%s(%s)" % (typ.name, ", ".join(
["%s=%s" % (k, self.name(typ.params[k], depth + 1)) for k in typ.params]))
elif isinstance(typ, _TPointer):
return "{}*".format(self.name(typ["elt"], depth + 1))
elif isinstance(typ, TTuple):
if len(typ.elts) == 1:
return "(%s,)" % self.name(typ.elts[0], depth + 1)
else:
return "(%s)" % ", ".join([self.name(typ, depth + 1) for typ in typ.elts])
elif isinstance(typ, (TFunction, TCFunction)):
elif isinstance(typ, (TFunction, TExternalFunction)):
args = []
args += [ "%s:%s" % (arg, self.name(typ.args[arg], depth + 1))
for arg in typ.args]
@ -728,13 +782,13 @@ class TypePrinter(object):
elif not (delay.is_fixed() and iodelay.is_zero(delay.duration)):
signature += " " + self.name(delay, depth + 1)
if isinstance(typ, TCFunction):
if isinstance(typ, TExternalFunction):
return "[ffi {}]{}".format(repr(typ.name), signature)
elif isinstance(typ, TFunction):
return signature
elif isinstance(typ, TRPC):
return "[rpc{} #{}](...)->{}".format(typ.service,
" async" if typ.async else "",
" async" if typ.is_async else "",
self.name(typ.ret, depth + 1))
elif isinstance(typ, TBuiltinFunction):
return "<function {}>".format(typ.name)

6
artiq/compiler/validators/constness.py
View File

@ -50,3 +50,9 @@ class ConstnessValidator(algorithm.Visitor):
node.loc)
self.engine.process(diag)
return
if builtins.is_array(typ):
diag = diagnostic.Diagnostic("error",
"array attributes cannot be assigned to",
{}, node.loc)
self.engine.process(diag)
return

32
artiq/compiler/validators/escape.py
View File

@ -51,10 +51,6 @@ class Region:
(other.range.begin_pos <= self.range.begin_pos <= other.range.end_pos and \
self.range.end_pos > other.range.end_pos)
def contract(self, other):
if not self.range:
self.range = other.range
def outlives(lhs, rhs):
if not isinstance(lhs, Region): # lhs lives nonlexically
return True
@ -69,8 +65,11 @@ class Region:
class RegionOf(algorithm.Visitor):
"""
Visit an expression and return the list of regions that must
be alive for the expression to execute.
Visit an expression and return the region that must be alive for the
expression to execute.
For expressions involving multiple regions, the shortest-lived one is
returned.
"""
def __init__(self, env_stack, youngest_region):
@ -100,7 +99,7 @@ class RegionOf(algorithm.Visitor):
visit_BinOpT = visit_sometimes_allocating
def visit_CallT(self, node):
if types.is_c_function(node.func.type, "cache_get"):
if types.is_external_function(node.func.type, "cache_get"):
# The cache is borrow checked dynamically
return Global()
else:
@ -157,7 +156,7 @@ class RegionOf(algorithm.Visitor):
visit_NameConstantT = visit_immutable
visit_NumT = visit_immutable
visit_EllipsisT = visit_immutable
visit_UnaryOpT = visit_immutable
visit_UnaryOpT = visit_sometimes_allocating # possibly array op
visit_CompareT = visit_immutable
# Value lives forever
@ -301,17 +300,20 @@ class EscapeValidator(algorithm.Visitor):
def visit_assignment(self, target, value):
value_region = self._region_of(value)
# If this is a variable, we might need to contract the live range.
if isinstance(value_region, Region):
for name in self._names_of(target):
region = self._region_of(name)
if isinstance(region, Region):
region.contract(value_region)
# If we assign to an attribute of a quoted value, there will be no names
# in the assignment lhs.
target_names = self._names_of(target) or []
# Adopt the value region for any variables declared on the lhs.
for name in target_names:
region = self._region_of(name)
if isinstance(region, Region) and not region.present():
# Find the name's environment to overwrite the region.
for env in self.env_stack[::-1]:
if name.id in env:
env[name.id] = value_region
break
# The assigned value should outlive the assignee
target_regions = [self._region_of(name) for name in target_names]
for target_region in target_regions:

10
artiq/coredevice/__init__.py
View File

@ -1,9 +1,3 @@
from artiq.coredevice import exceptions, dds, spi
from artiq.coredevice.exceptions import (RTIOUnderflow, RTIOSequenceError, RTIOOverflow)
from artiq.coredevice.dds import (PHASE_MODE_CONTINUOUS, PHASE_MODE_ABSOLUTE,
PHASE_MODE_TRACKING)
from artiq.coredevice.exceptions import (RTIOUnderflow, RTIOOverflow)
__all__ = []
__all__ += ["RTIOUnderflow", "RTIOSequenceError", "RTIOOverflow"]
__all__ += ["PHASE_MODE_CONTINUOUS", "PHASE_MODE_ABSOLUTE",
"PHASE_MODE_TRACKING"]
__all__ = ["RTIOUnderflow", "RTIOOverflow"]

182
artiq/coredevice/ad5360.py
View File

@ -1,182 +0,0 @@
"""
Driver for the AD5360 DAC on RTIO.
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
from artiq.language.core import (kernel, portable, delay_mu, delay)
from artiq.language.units import ns, us
from artiq.coredevice import spi
# Designed from the data sheets and somewhat after the linux kernel
# iio driver.
_AD5360_SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 1*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
_AD5360_CMD_DATA = 3 << 22
_AD5360_CMD_OFFSET = 2 << 22
_AD5360_CMD_GAIN = 1 << 22
_AD5360_CMD_SPECIAL = 0 << 22
@portable
def _AD5360_WRITE_CHANNEL(c):
return (c + 8) << 16
_AD5360_SPECIAL_NOP = 0 << 16
_AD5360_SPECIAL_CONTROL = 1 << 16
_AD5360_SPECIAL_OFS0 = 2 << 16
_AD5360_SPECIAL_OFS1 = 3 << 16
_AD5360_SPECIAL_READ = 5 << 16
@portable
def _AD5360_READ_CHANNEL(ch):
return (ch + 8) << 7
_AD5360_READ_X1A = 0x000 << 7
_AD5360_READ_X1B = 0x040 << 7
_AD5360_READ_OFFSET = 0x080 << 7
_AD5360_READ_GAIN = 0x0c0 << 7
_AD5360_READ_CONTROL = 0x101 << 7
_AD5360_READ_OFS0 = 0x102 << 7
_AD5360_READ_OFS1 = 0x103 << 7
class AD5360:
"""
Support for the Analog devices AD53[67][0123]
multi-channel Digital to Analog Converters
:param spi_device: Name of the SPI bus this device is on.
:param ldac_device: Name of the TTL device that LDAC is connected to
(optional). Needs to be explicitly initialized to high.
:param chip_select: Value to drive on the chip select lines
during transactions.
"""
def __init__(self, dmgr, spi_device, ldac_device=None, chip_select=1):
self.core = dmgr.get("core")
self.bus = dmgr.get(spi_device)
if ldac_device is not None:
self.ldac = dmgr.get(ldac_device)
self.chip_select = chip_select
@kernel
def setup_bus(self, write_div=4, read_div=7):
"""Configure the SPI bus and the SPI transaction parameters
for this device. This method has to be called before any other method
if the bus has been used to access a different device in the meantime.
This method advances the timeline by the duration of two
RTIO-to-Wishbone bus transactions.
:param write_div: Write clock divider.
:param read_div: Read clock divider.
"""
# write: 2*8ns >= 10ns = t_6 (clk falling to cs_n rising)
# read: 4*8*ns >= 25ns = t_22 (clk falling to miso valid)
self.bus.set_config_mu(_AD5360_SPI_CONFIG, write_div, read_div)
self.bus.set_xfer(self.chip_select, 24, 0)
@kernel
def write(self, data):
"""Write 24 bits of data.
This method advances the timeline by the duration of the SPI transfer
and the required CS high time.
"""
self.bus.write(data << 8)
delay_mu(self.bus.ref_period_mu) # get to 20ns min cs high
@kernel
def write_offsets(self, value=0x1fff):
"""Write the OFS0 and OFS1 offset DACs.
This method advances the timeline by twice the duration of
:meth:`write`.
:param value: Value to set both offset registers to.
"""
value &= 0x3fff
self.write(_AD5360_CMD_SPECIAL | _AD5360_SPECIAL_OFS0 | value)
self.write(_AD5360_CMD_SPECIAL | _AD5360_SPECIAL_OFS1 | value)
@kernel
def write_channel(self, channel=0, value=0, op=_AD5360_CMD_DATA):
"""Write to a channel register.
This method advances the timeline by the duration of :meth:`write`.
:param channel: Channel number to write to.
:param value: 16 bit value to write to the register.
:param op: Operation to perform, one of :const:`_AD5360_CMD_DATA`,
:const:`_AD5360_CMD_OFFSET`, :const:`_AD5360_CMD_GAIN`
(default: :const:`_AD5360_CMD_DATA`).
"""
channel &= 0x3f
value &= 0xffff
self.write(op | _AD5360_WRITE_CHANNEL(channel) | value)
@kernel
def read_channel_sync(self, channel=0, op=_AD5360_READ_X1A):
"""Read a channel register.
This method advances the timeline by the duration of :meth:`write` plus
three RTIO-to-Wishbone transactions.
:param channel: Channel number to read from.
:param op: Operation to perform, one of :const:`_AD5360_READ_X1A`,
:const:`_AD5360_READ_X1B`, :const:`_AD5360_READ_OFFSET`,
:const:`_AD5360_READ_GAIN` (default: :const:`_AD5360_READ_X1A`).
:return: The 16 bit register value.
"""
channel &= 0x3f
self.write(_AD5360_CMD_SPECIAL | _AD5360_SPECIAL_READ | op |
_AD5360_READ_CHANNEL(channel))
self.bus.set_xfer(self.chip_select, 0, 24)
self.write(_AD5360_CMD_SPECIAL | _AD5360_SPECIAL_NOP)
self.bus.read_async()
self.bus.set_xfer(self.chip_select, 24, 0)
return self.bus.input_async() & 0xffff
@kernel
def load(self):
"""Pulse the LDAC line.
This method advances the timeline by two RTIO clock periods (16 ns).
"""
self.ldac.off()
# t13 = 10ns ldac pulse width low
delay_mu(2*self.bus.ref_period_mu)
self.ldac.on()
@kernel
def set(self, values, op=_AD5360_CMD_DATA):
"""Write to several channels and pulse LDAC to update the channels.
This method does not advance the timeline. Write events are scheduled
in the past. The DACs will synchronously start changing their output
levels `now`.
:param values: List of 16 bit values to write to the channels.
:param op: Operation to perform, one of :const:`_AD5360_CMD_DATA`,
:const:`_AD5360_CMD_OFFSET`, :const:`_AD5360_CMD_GAIN`
(default: :const:`_AD5360_CMD_DATA`).
"""
# compensate all delays that will be applied
delay_mu(-len(values)*(self.bus.xfer_period_mu +
self.bus.write_period_mu +
self.bus.ref_period_mu) -
3*self.bus.ref_period_mu -
self.core.seconds_to_mu(1.5*us))
for i in range(len(values)):
self.write_channel(i, values[i], op)
delay_mu(3*self.bus.ref_period_mu + # latency alignment ttl to spi
self.core.seconds_to_mu(1.5*us)) # t10 max busy low for one channel
self.load()
delay_mu(-2*self.bus.ref_period_mu) # load(), t13

393
artiq/coredevice/ad53xx.py Normal file
View File

@ -0,0 +1,393 @@
""""RTIO driver for the Analog Devices AD53[67][0123] family of multi-channel
Digital to Analog Converters.
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
# Designed from the data sheets and somewhat after the linux kernel
# iio driver.
from numpy import int32
from artiq.language.core import (kernel, portable, delay_mu, delay, now_mu,
at_mu)
from artiq.language.units import ns, us
from artiq.coredevice import spi2 as spi
SPI_AD53XX_CONFIG = (0*spi.SPI_OFFLINE | 1*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 1*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
AD53XX_CMD_DATA = 3 << 22
AD53XX_CMD_OFFSET = 2 << 22
AD53XX_CMD_GAIN = 1 << 22
AD53XX_CMD_SPECIAL = 0 << 22
AD53XX_SPECIAL_NOP = 0 << 16
AD53XX_SPECIAL_CONTROL = 1 << 16
AD53XX_SPECIAL_OFS0 = 2 << 16
AD53XX_SPECIAL_OFS1 = 3 << 16
AD53XX_SPECIAL_READ = 5 << 16
AD53XX_SPECIAL_AB0 = 6 << 16
AD53XX_SPECIAL_AB1 = 7 << 16
AD53XX_SPECIAL_AB2 = 8 << 16
AD53XX_SPECIAL_AB3 = 9 << 16
AD53XX_SPECIAL_AB = 11 << 16
# incorporate the channel offset (8, table 17) here
AD53XX_READ_X1A = 0x008 << 7
AD53XX_READ_X1B = 0x048 << 7
AD53XX_READ_OFFSET = 0x088 << 7
AD53XX_READ_GAIN = 0x0C8 << 7
AD53XX_READ_CONTROL = 0x101 << 7
AD53XX_READ_OFS0 = 0x102 << 7
AD53XX_READ_OFS1 = 0x103 << 7
AD53XX_READ_AB0 = 0x106 << 7
AD53XX_READ_AB1 = 0x107 << 7
AD53XX_READ_AB2 = 0x108 << 7
AD53XX_READ_AB3 = 0x109 << 7
@portable
def ad53xx_cmd_write_ch(channel, value, op):
"""Returns the word that must be written to the DAC to set a DAC
channel register to a given value.
:param channel: DAC channel to write to (8 bits)
:param value: 16-bit value to write to the register
:param op: The channel register to write to, one of
:const:`AD53XX_CMD_DATA`, :const:`AD53XX_CMD_OFFSET` or
:const:`AD53XX_CMD_GAIN`.
:return: The 24-bit word to be written to the DAC
"""
return op | (channel + 8) << 16 | (value & 0xffff)
@portable
def ad53xx_cmd_read_ch(channel, op):
"""Returns the word that must be written to the DAC to read a given
DAC channel register.
:param channel: DAC channel to read (8 bits)
:param op: The channel register to read, one of
:const:`AD53XX_READ_X1A`, :const:`AD53XX_READ_X1B`,
:const:`AD53XX_READ_OFFSET`, :const:`AD53XX_READ_GAIN` etc.
:return: The 24-bit word to be written to the DAC to initiate read
"""
return AD53XX_CMD_SPECIAL | AD53XX_SPECIAL_READ | (op + (channel << 7))
# maintain function definition for backward compatibility
@portable
def voltage_to_mu(voltage, offset_dacs=0x2000, vref=5.):
"""Returns the 16-bit DAC register value required to produce a given output
voltage, assuming offset and gain errors have been trimmed out.
The 16-bit register value may also be used with 14-bit DACs. The additional
bits are disregarded by 14-bit DACs.
Also used to return offset register value required to produce a given
voltage when the DAC register is set to mid-scale.
An offset of V can be used to trim out a DAC offset error of -V.
:param voltage: Voltage in SI units.
Valid voltages are: [-2*vref, + 2*vref - 1 LSB] + voltage offset.
:param offset_dacs: Register value for the two offset DACs
(default: 0x2000)
:param vref: DAC reference voltage (default: 5.)
:return: The 16-bit DAC register value
"""
code = int(round((1 << 16) * (voltage / (4. * vref)) + offset_dacs * 0x4))
if code < 0x0 or code > 0xffff:
raise ValueError("Invalid DAC voltage!")
return code
class _DummyTTL:
@portable
def on(self):
pass
@portable
def off(self):
pass
class AD53xx:
"""Analog devices AD53[67][0123] family of multi-channel Digital to Analog
Converters.
:param spi_device: SPI bus device name
:param ldac_device: LDAC RTIO TTLOut channel name (optional)
:param clr_device: CLR RTIO TTLOut channel name (optional)
:param chip_select: Value to drive on SPI chip select lines during
transactions (default: 1)
:param div_write: SPI clock divider for write operations (default: 4,
50MHz max SPI clock with {t_high, t_low} >=8ns)
:param div_read: SPI clock divider for read operations (default: 8, not
optimized for speed, but cf data sheet t22: 25ns min SCLK edge to SDO
valid)
:param vref: DAC reference voltage (default: 5.)
:param offset_dacs: Initial register value for the two offset DACs, device
dependent and must be set correctly for correct voltage to mu
conversions. Knowledge of his state is not transferred between
experiments. (default: 8192)
:param core_device: Core device name (default: "core")
"""
kernel_invariants = {"bus", "ldac", "clr", "chip_select", "div_write",
"div_read", "vref", "core"}
def __init__(self, dmgr, spi_device, ldac_device=None, clr_device=None,
chip_select=1, div_write=4, div_read=16, vref=5.,
offset_dacs=8192, core="core"):
self.bus = dmgr.get(spi_device)
self.bus.update_xfer_duration_mu(div_write, 24)
if ldac_device is None:
self.ldac = _DummyTTL()
else:
self.ldac = dmgr.get(ldac_device)
if clr_device is None:
self.clr = _DummyTTL()
else:
self.clr = dmgr.get(clr_device)
self.chip_select = chip_select
self.div_write = div_write
self.div_read = div_read
self.vref = vref
self.offset_dacs = offset_dacs
self.core = dmgr.get(core)
@kernel
def init(self, blind=False):
"""Configures the SPI bus, drives LDAC and CLR high, programmes
the offset DACs, and enables overtemperature shutdown.
This method must be called before any other method at start-up or if
the SPI bus has been accessed by another device.
:param blind: If ``True``, do not attempt to read back control register
or check for overtemperature.
"""
self.ldac.on()
self.clr.on()
self.bus.set_config_mu(SPI_AD53XX_CONFIG, 24, self.div_write,
self.chip_select)
self.write_offset_dacs_mu(self.offset_dacs)
if not blind:
ctrl = self.read_reg(channel=0, op=AD53XX_READ_CONTROL)
if ctrl == 0xffff:
raise ValueError("DAC not found")
if ctrl & 0b10000:
raise ValueError("DAC over temperature")
delay(25*us)
self.bus.write( # enable power and overtemperature shutdown
(AD53XX_CMD_SPECIAL | AD53XX_SPECIAL_CONTROL | 0b0010) << 8)
if not blind:
ctrl = self.read_reg(channel=0, op=AD53XX_READ_CONTROL)
if (ctrl & 0b10111) != 0b00010:
raise ValueError("DAC CONTROL readback mismatch")
delay(15*us)
@kernel
def read_reg(self, channel=0, op=AD53XX_READ_X1A):
"""Read a DAC register.
This method advances the timeline by the duration of two SPI transfers
plus two RTIO coarse cycles plus 270 ns and consumes all slack.
:param channel: Channel number to read from (default: 0)
:param op: Operation to perform, one of :const:`AD53XX_READ_X1A`,
:const:`AD53XX_READ_X1B`, :const:`AD53XX_READ_OFFSET`,
:const:`AD53XX_READ_GAIN` etc. (default: :const:`AD53XX_READ_X1A`).
:return: The 16 bit register value
"""
self.bus.write(ad53xx_cmd_read_ch(channel, op) << 8)
self.bus.set_config_mu(SPI_AD53XX_CONFIG | spi.SPI_INPUT, 24,
self.div_read, self.chip_select)
delay(270*ns) # t_21 min sync high in readback
self.bus.write((AD53XX_CMD_SPECIAL | AD53XX_SPECIAL_NOP) << 8)
self.bus.set_config_mu(SPI_AD53XX_CONFIG, 24, self.div_write,
self.chip_select)
# FIXME: the int32 should not be needed to resolve unification
return self.bus.read() & int32(0xffff)
@kernel
def write_offset_dacs_mu(self, value):
"""Program the OFS0 and OFS1 offset DAC registers.
Writes to the offset DACs take effect immediately without requiring
a LDAC. This method advances the timeline by the duration of two SPI
transfers.
:param value: Value to set both offset DAC registers to
"""
value &= 0x3fff
self.offset_dacs = value
self.bus.write((AD53XX_CMD_SPECIAL | AD53XX_SPECIAL_OFS0 | value) << 8)
self.bus.write((AD53XX_CMD_SPECIAL | AD53XX_SPECIAL_OFS1 | value) << 8)
@kernel
def write_gain_mu(self, channel, gain=0xffff):
"""Program the gain register for a DAC channel.
The DAC output is not updated until LDAC is pulsed (see :meth load:).
This method advances the timeline by the duration of one SPI transfer.
:param gain: 16-bit gain register value (default: 0xffff)
"""
self.bus.write(
ad53xx_cmd_write_ch(channel, gain, AD53XX_CMD_GAIN) << 8)
@kernel
def write_offset_mu(self, channel, offset=0x8000):
"""Program the offset register for a DAC channel.
The DAC output is not updated until LDAC is pulsed (see :meth load:).
This method advances the timeline by the duration of one SPI transfer.
:param offset: 16-bit offset register value (default: 0x8000)
"""
self.bus.write(
ad53xx_cmd_write_ch(channel, offset, AD53XX_CMD_OFFSET) << 8)
@kernel
def write_offset(self, channel, voltage):
"""Program the DAC offset voltage for a channel.
An offset of +V can be used to trim out a DAC offset error of -V.
The DAC output is not updated until LDAC is pulsed (see :meth load:).
This method advances the timeline by the duration of one SPI transfer.
:param voltage: the offset voltage
"""
self.write_offset_mu(channel, voltage_to_mu(voltage, self.offset_dacs,
self.vref))
@kernel
def write_dac_mu(self, channel, value):
"""Program the DAC input register for a channel.
The DAC output is not updated until LDAC is pulsed (see :meth load:).
This method advances the timeline by the duration of one SPI transfer.
"""
self.bus.write(
ad53xx_cmd_write_ch(channel, value, AD53XX_CMD_DATA) << 8)
@kernel
def write_dac(self, channel, voltage):
"""Program the DAC output voltage for a channel.
The DAC output is not updated until LDAC is pulsed (see :meth load:).
This method advances the timeline by the duration of one SPI transfer.
"""
self.write_dac_mu(channel, voltage_to_mu(voltage, self.offset_dacs,
self.vref))
@kernel
def load(self):
"""Pulse the LDAC line.
Note that there is a <= 1.5us "BUSY" period (t10) after writing to a
DAC input/gain/offset register. All DAC registers may be programmed
normally during the busy period, however LDACs during the busy period
cause the DAC output to change *after* the BUSY period has completed,
instead of the usual immediate update on LDAC behaviour.
This method advances the timeline by two RTIO clock periods.
"""
self.ldac.off()
delay_mu(2*self.bus.ref_period_mu) # t13 = 10ns ldac pulse width low
self.ldac.on()
@kernel
def set_dac_mu(self, values, channels=list(range(40))):
"""Program multiple DAC channels and pulse LDAC to update the DAC
outputs.
This method does not advance the timeline; write events are scheduled
in the past. The DACs will synchronously start changing their output
levels `now`.
If no LDAC device was defined, the LDAC pulse is skipped.
See :meth load:.
:param values: list of DAC values to program
:param channels: list of DAC channels to program. If not specified,
we program the DAC channels sequentially, starting at 0.
"""
t0 = now_mu()
# t10: max busy period after writing to DAC registers
t_10 = self.core.seconds_to_mu(1500*ns)
# compensate all delays that will be applied
delay_mu(-t_10-len(values)*self.bus.xfer_duration_mu)
for i in range(len(values)):
self.write_dac_mu(channels[i], values[i])
delay_mu(t_10)
self.load()
at_mu(t0)
@kernel
def set_dac(self, voltages, channels=list(range(40))):
"""Program multiple DAC channels and pulse LDAC to update the DAC
outputs.
This method does not advance the timeline; write events are scheduled
in the past. The DACs will synchronously start changing their output
levels `now`.
If no LDAC device was defined, the LDAC pulse is skipped.
:param voltages: list of voltages to program the DAC channels to
:param channels: list of DAC channels to program. If not specified,
we program the DAC channels sequentially, starting at 0.
"""
values = [voltage_to_mu(voltage, self.offset_dacs, self.vref)
for voltage in voltages]
self.set_dac_mu(values, channels)
@kernel
def calibrate(self, channel, vzs, vfs):
""" Two-point calibration of a DAC channel.
Programs the offset and gain register to trim out DAC errors. Does not
take effect until LDAC is pulsed (see :meth load:).
Calibration consists of measuring the DAC output voltage for a channel
with the DAC set to zero-scale (0x0000) and full-scale (0xffff).
Note that only negative offsets and full-scale errors (DAC gain too
high) can be calibrated in this fashion.
:param channel: The number of the calibrated channel
:params vzs: Measured voltage with the DAC set to zero-scale (0x0000)
:params vfs: Measured voltage with the DAC set to full-scale (0xffff)
"""
offset_err = voltage_to_mu(vzs, self.offset_dacs, self.vref)
gain_err = voltage_to_mu(vfs, self.offset_dacs, self.vref) - (
offset_err + 0xffff)
assert offset_err <= 0
assert gain_err >= 0
self.core.break_realtime()
self.write_offset_mu(channel, 0x8000-offset_err)
self.write_gain_mu(channel, 0xffff-gain_err)
@portable
def voltage_to_mu(self, voltage):
"""Returns the 16-bit DAC register value required to produce a given
output voltage, assuming offset and gain errors have been trimmed out.
The 16-bit register value may also be used with 14-bit DACs. The
additional bits are disregarded by 14-bit DACs.
:param voltage: Voltage in SI units.
Valid voltages are: [-2*vref, + 2*vref - 1 LSB] + voltage offset.
:return: The 16-bit DAC register value
"""
return voltage_to_mu(voltage, self.offset_dacs, self.vref)

5
artiq/coredevice/ad9154_spi.py
View File

@ -10,9 +10,8 @@ class AD9154:
self.chip_select = chip_select
@kernel
def setup_bus(self, write_div=16, read_div=16):
self.bus.set_config_mu(0, write_div, read_div)
self.bus.set_xfer(self.chip_select, 24, 0)
def setup_bus(self, div=16):
self.bus.set_config_mu(0, 24, div, self.chip_select)
@kernel
def write(self, addr, data):

926
artiq/coredevice/ad9910.py Normal file
View File

@ -0,0 +1,926 @@
from numpy import int32, int64
from artiq.language.core import (
kernel, delay, portable, delay_mu, now_mu, at_mu)
from artiq.language.units import us, ms
from artiq.language.types import *
from artiq.coredevice import spi2 as spi
from artiq.coredevice import urukul
# Work around ARTIQ-Python import machinery
urukul_sta_pll_lock = urukul.urukul_sta_pll_lock
urukul_sta_smp_err = urukul.urukul_sta_smp_err
__all__ = [
"AD9910",
"PHASE_MODE_CONTINUOUS", "PHASE_MODE_ABSOLUTE", "PHASE_MODE_TRACKING",
"RAM_DEST_FTW", "RAM_DEST_POW", "RAM_DEST_ASF", "RAM_DEST_POWASF",
"RAM_MODE_DIRECTSWITCH", "RAM_MODE_RAMPUP", "RAM_MODE_BIDIR_RAMP",
"RAM_MODE_CONT_BIDIR_RAMP", "RAM_MODE_CONT_RAMPUP",
]
_PHASE_MODE_DEFAULT = -1
PHASE_MODE_CONTINUOUS = 0
PHASE_MODE_ABSOLUTE = 1
PHASE_MODE_TRACKING = 2
_AD9910_REG_CFR1 = 0x00
_AD9910_REG_CFR2 = 0x01
_AD9910_REG_CFR3 = 0x02
_AD9910_REG_AUX_DAC = 0x03
_AD9910_REG_IO_UPDATE = 0x04
_AD9910_REG_FTW = 0x07
_AD9910_REG_POW = 0x08
_AD9910_REG_ASF = 0x09
_AD9910_REG_SYNC = 0x0a
_AD9910_REG_RAMP_LIMIT = 0x0b
_AD9910_REG_RAMP_STEP = 0x0c
_AD9910_REG_RAMP_RATE = 0x0d
_AD9910_REG_PROFILE0 = 0x0e
_AD9910_REG_PROFILE1 = 0x0f
_AD9910_REG_PROFILE2 = 0x10
_AD9910_REG_PROFILE3 = 0x11
_AD9910_REG_PROFILE4 = 0x12
_AD9910_REG_PROFILE5 = 0x13
_AD9910_REG_PROFILE6 = 0x14
_AD9910_REG_PROFILE7 = 0x15
_AD9910_REG_RAM = 0x16
# RAM destination
RAM_DEST_FTW = 0
RAM_DEST_POW = 1
RAM_DEST_ASF = 2
RAM_DEST_POWASF = 3
# RAM MODES
RAM_MODE_DIRECTSWITCH = 0
RAM_MODE_RAMPUP = 1
RAM_MODE_BIDIR_RAMP = 2
RAM_MODE_CONT_BIDIR_RAMP = 3
RAM_MODE_CONT_RAMPUP = 4
class SyncDataUser:
def __init__(self, core, sync_delay_seed, io_update_delay):
self.core = core
self.sync_delay_seed = sync_delay_seed
self.io_update_delay = io_update_delay
@kernel
def init(self):
pass
class SyncDataEeprom:
def __init__(self, dmgr, core, eeprom_str):
self.core = core
eeprom_device, eeprom_offset = eeprom_str.split(":")
self.eeprom_device = dmgr.get(eeprom_device)
self.eeprom_offset = int(eeprom_offset)
self.sync_delay_seed = 0
self.io_update_delay = 0
@kernel
def init(self):
word = self.eeprom_device.read_i32(self.eeprom_offset) >> 16
sync_delay_seed = word >> 8
if sync_delay_seed >= 0:
io_update_delay = word & 0xff
else:
io_update_delay = 0
if io_update_delay == 0xff: # unprogrammed EEPROM
io_update_delay = 0
# With Numpy, type(int32(-1) >> 1) == int64
self.sync_delay_seed = int32(sync_delay_seed)
self.io_update_delay = int32(io_update_delay)
class AD9910:
"""
AD9910 DDS channel on Urukul.
This class supports a single DDS channel and exposes the DDS,
the digital step attenuator, and the RF switch.
:param chip_select: Chip select configuration. On Urukul this is an
encoded chip select and not "one-hot": 3 to address multiple chips
(as configured through CFG_MASK_NU), 4-7 for individual channels.
:param cpld_device: Name of the Urukul CPLD this device is on.
:param sw_device: Name of the RF switch device. The RF switch is a
TTLOut channel available as the :attr:`sw` attribute of this instance.
:param pll_n: DDS PLL multiplier. The DDS sample clock is
f_ref/clk_div*pll_n where f_ref is the reference frequency and
clk_div is the reference clock divider (both set in the parent
Urukul CPLD instance).
:param pll_en: PLL enable bit, set to 0 to bypass PLL (default: 1).
Note that when bypassing the PLL the red front panel LED may remain on.
:param pll_cp: DDS PLL charge pump setting.
:param pll_vco: DDS PLL VCO range selection.
:param sync_delay_seed: SYNC_IN delay tuning starting value.
To stabilize the SYNC_IN delay tuning, run :meth:`tune_sync_delay` once
and set this to the delay tap number returned (default: -1 to signal no
synchronization and no tuning during :meth:`init`).
Can be a string of the form "eeprom_device:byte_offset" to read the value
from a I2C EEPROM; in which case, `io_update_delay` must be set to the
same string value.
:param io_update_delay: IO_UPDATE pulse alignment delay.
To align IO_UPDATE to SYNC_CLK, run :meth:`tune_io_update_delay` and
set this to the delay tap number returned.
Can be a string of the form "eeprom_device:byte_offset" to read the value
from a I2C EEPROM; in which case, `sync_delay_seed` must be set to the
same string value.
"""
kernel_invariants = {"chip_select", "cpld", "core", "bus",
"ftw_per_hz", "sysclk_per_mu"}
def __init__(self, dmgr, chip_select, cpld_device, sw_device=None,
pll_n=40, pll_cp=7, pll_vco=5, sync_delay_seed=-1,
io_update_delay=0, pll_en=1):
self.cpld = dmgr.get(cpld_device)
self.core = self.cpld.core
self.bus = self.cpld.bus
assert 3 <= chip_select <= 7
self.chip_select = chip_select
if sw_device:
self.sw = dmgr.get(sw_device)
self.kernel_invariants.add("sw")
clk = self.cpld.refclk/[4, 1, 2, 4][self.cpld.clk_div]
self.pll_en = pll_en
self.pll_n = pll_n
self.pll_vco = pll_vco
self.pll_cp = pll_cp
if pll_en:
sysclk = clk*pll_n
assert clk <= 60e6
assert 12 <= pll_n <= 127
assert 0 <= pll_vco <= 5
vco_min, vco_max = [(370, 510), (420, 590), (500, 700),
(600, 880), (700, 950), (820, 1150)][pll_vco]
assert vco_min <= sysclk/1e6 <= vco_max
assert 0 <= pll_cp <= 7
else:
sysclk = clk
assert sysclk <= 1e9
self.ftw_per_hz = (1 << 32)/sysclk
self.sysclk_per_mu = int(round(sysclk*self.core.ref_period))
self.sysclk = sysclk
if isinstance(sync_delay_seed, str) or isinstance(io_update_delay, str):
if sync_delay_seed != io_update_delay:
raise ValueError("When using EEPROM, sync_delay_seed must be equal to io_update_delay")
self.sync_data = SyncDataEeprom(dmgr, self.core, sync_delay_seed)
else:
self.sync_data = SyncDataUser(self.core, sync_delay_seed, io_update_delay)
self.phase_mode = PHASE_MODE_CONTINUOUS
@kernel
def set_phase_mode(self, phase_mode):
r"""Set the default phase mode.
for future calls to :meth:`set` and
:meth:`set_mu`. Supported phase modes are:
* :const:`PHASE_MODE_CONTINUOUS`: the phase accumulator is unchanged
when changing frequency or phase. The DDS phase is the sum of the
phase accumulator and the phase offset. The only discontinuous
changes in the DDS output phase come from changes to the phase
offset. This mode is also knows as "relative phase mode".
:math:`\phi(t) = q(t^\prime) + p + (t - t^\prime) f`
* :const:`PHASE_MODE_ABSOLUTE`: the phase accumulator is reset when
changing frequency or phase. Thus, the phase of the DDS at the
time of the change is equal to the specified phase offset.
:math:`\phi(t) = p + (t - t^\prime) f`
* :const:`PHASE_MODE_TRACKING`: when changing frequency or phase,
the phase accumulator is cleared and the phase offset is offset
by the value the phase accumulator would have if the DDS had been
running at the specified frequency since a given fiducial
time stamp. This is functionally equivalent to
:const:`PHASE_MODE_ABSOLUTE`. The only difference is the fiducial
time stamp. This mode is also known as "coherent phase mode".
The default fiducial time stamp is 0.
:math:`\phi(t) = p + (t - T) f`
Where:
* :math:`\phi(t)`: the DDS output phase
* :math:`q(t) = \phi(t) - p`: DDS internal phase accumulator
* :math:`p`: phase offset
* :math:`f`: frequency
* :math:`t^\prime`: time stamp of setting :math:`p`, :math:`f`
* :math:`T`: fiducial time stamp
* :math:`t`: running time
.. warning:: This setting may become inconsistent when used as part of
a DMA recording. When using DMA, it is recommended to specify the
phase mode explicitly when calling :meth:`set` or :meth:`set_mu`.
"""
self.phase_mode = phase_mode
@kernel
def write16(self, addr, data):
"""Write to 16 bit register.
:param addr: Register address
:param data: Data to be written
"""
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, 24,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr << 24) | (data << 8))
@kernel
def write32(self, addr, data):
"""Write to 32 bit register.
:param addr: Register address
:param data: Data to be written
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(addr << 24)
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(data)
@kernel
def read16(self, addr):
"""Read from 16 bit register.
:param addr: Register address
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr | 0x80) << 24)
self.bus.set_config_mu(
urukul.SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
16, urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
return self.bus.read()
@kernel
def read32(self, addr):
"""Read from 32 bit register.
:param addr: Register address
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr | 0x80) << 24)
self.bus.set_config_mu(
urukul.SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
32, urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
return self.bus.read()
@kernel
def read64(self, addr):
"""Read from 64 bit register.
:param addr: Register address
:return: 64 bit integer register value
"""
self.bus.set_config_mu(
urukul.SPI_CONFIG, 8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr | 0x80) << 24)
self.bus.set_config_mu(
urukul.SPI_CONFIG | spi.SPI_INPUT, 32,
urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
self.bus.set_config_mu(
urukul.SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT, 32,
urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
hi = self.bus.read()
lo = self.bus.read()
return (int64(hi) << 32) | lo
@kernel
def write64(self, addr, data_high, data_low):
"""Write to 64 bit register.
:param addr: Register address
:param data_high: High (MSB) 32 bits of the data
:param data_low: Low (LSB) 32 data bits
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(addr << 24)
self.bus.set_config_mu(urukul.SPI_CONFIG, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(data_high)
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(data_low)
@kernel
def write_ram(self, data):
"""Write data to RAM.
The profile to write to and the step, start, and end address
need to be configured before and separately using
:meth:`set_profile_ram` and the parent CPLD `set_profile`.
:param data List(int32): Data to be written to RAM.
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8, urukul.SPIT_DDS_WR,
self.chip_select)
self.bus.write(_AD9910_REG_RAM << 24)
self.bus.set_config_mu(urukul.SPI_CONFIG, 32,
urukul.SPIT_DDS_WR, self.chip_select)
for i in range(len(data) - 1):
self.bus.write(data[i])
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(data[len(data) - 1])
@kernel
def read_ram(self, data):
"""Read data from RAM.
The profile to read from and the step, start, and end address
need to be configured before and separately using
:meth:`set_profile_ram` and the parent CPLD `set_profile`.
:param data List(int32): List to be filled with data read from RAM.
"""
self.bus.set_config_mu(urukul.SPI_CONFIG, 8, urukul.SPIT_DDS_WR,
self.chip_select)
self.bus.write((_AD9910_REG_RAM | 0x80) << 24)
n = len(data) - 1
if n > 0:
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_INPUT, 32,
urukul.SPIT_DDS_RD, self.chip_select)
preload = min(n, 8)
for i in range(n):
self.bus.write(0)
if i >= preload:
data[i - preload] = self.bus.read()
self.bus.set_config_mu(
urukul.SPI_CONFIG | spi.SPI_INPUT | spi.SPI_END, 32,
urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
for i in range(preload + 1):
data[(n - preload) + i] = self.bus.read()
@kernel
def set_cfr1(self, power_down=0b0000, phase_autoclear=0,
drg_load_lrr=0, drg_autoclear=0,
internal_profile=0, ram_destination=0, ram_enable=0,
manual_osk_external=0, osk_enable=0, select_auto_osk=0):
"""Set CFR1. See the AD9910 datasheet for parameter meanings.
This method does not pulse IO_UPDATE.
:param power_down: Power down bits.
:param phase_autoclear: Autoclear phase accumulator.
:param drg_load_lrr: Load digital ramp generator LRR.
:param drg_autoclear: Autoclear digital ramp generator.
:param internal_profile: Internal profile control.
:param ram_destination: RAM destination
(:const:`RAM_DEST_FTW`, :const:`RAM_DEST_POW`,
:const:`RAM_DEST_ASF`, :const:`RAM_DEST_POWASF`).
:param ram_enable: RAM mode enable.
:param manual_osk_external: Enable OSK pin control in manual OSK mode.
:param osk_enable: Enable OSK mode.
:param select_auto_osk: Select manual or automatic OSK mode.
"""
self.write32(_AD9910_REG_CFR1,
(ram_enable << 31) |
(ram_destination << 29) |
(manual_osk_external << 23) |
(internal_profile << 17) |
(drg_load_lrr << 15) |
(drg_autoclear << 14) |
(phase_autoclear << 13) |
(osk_enable << 9) |
(select_auto_osk << 8) |
(power_down << 4) |
2) # SDIO input only, MSB first
@kernel
def init(self, blind=False):
"""Initialize and configure the DDS.
Sets up SPI mode, confirms chip presence, powers down unused blocks,
configures the PLL, waits for PLL lock. Uses the
IO_UPDATE signal multiple times.
:param blind: Do not read back DDS identity and do not wait for lock.
"""
self.sync_data.init()
if self.sync_data.sync_delay_seed >= 0 and not self.cpld.sync_div:
raise ValueError("parent cpld does not drive SYNC")
if self.sync_data.sync_delay_seed >= 0:
if self.sysclk_per_mu != self.sysclk*self.core.ref_period:
raise ValueError("incorrect clock ratio for synchronization")
delay(50*ms) # slack
# Set SPI mode
self.set_cfr1()
self.cpld.io_update.pulse(1*us)
delay(1*ms)
if not blind:
# Use the AUX DAC setting to identify and confirm presence
aux_dac = self.read32(_AD9910_REG_AUX_DAC)
if aux_dac & 0xff != 0x7f:
raise ValueError("Urukul AD9910 AUX_DAC mismatch")
delay(50*us) # slack
# Configure PLL settings and bring up PLL
# enable amplitude scale from profiles
# read effective FTW
# sync timing validation disable (enabled later)
self.write32(_AD9910_REG_CFR2, 0x01010020)
self.cpld.io_update.pulse(1*us)
cfr3 = (0x0807c000 | (self.pll_vco << 24) |
(self.pll_cp << 19) | (self.pll_en << 8) |
(self.pll_n << 1))
self.write32(_AD9910_REG_CFR3, cfr3 | 0x400) # PFD reset
self.cpld.io_update.pulse(1*us)
if self.pll_en:
self.write32(_AD9910_REG_CFR3, cfr3)
self.cpld.io_update.pulse(1*us)
if blind:
delay(100*ms)
else:
# Wait for PLL lock, up to 100 ms
for i in range(100):
sta = self.cpld.sta_read()
lock = urukul_sta_pll_lock(sta)
delay(1*ms)
if lock & (1 << self.chip_select - 4):
break
if i >= 100 - 1:
raise ValueError("PLL lock timeout")
delay(10*us) # slack
if self.sync_data.sync_delay_seed >= 0:
self.tune_sync_delay(self.sync_data.sync_delay_seed)
delay(1*ms)
@kernel
def power_down(self, bits=0b1111):
"""Power down DDS.
:param bits: Power down bits, see datasheet
"""
self.set_cfr1(power_down=bits)
self.cpld.io_update.pulse(1*us)
# KLUDGE: ref_time_mu default argument is explicitly marked int64() to
# avoid silent truncation of explicitly passed timestamps. (Compiler bug?)
@kernel
def set_mu(self, ftw, pow_=0, asf=0x3fff, phase_mode=_PHASE_MODE_DEFAULT,
ref_time_mu=int64(-1), profile=0):
"""Set profile 0 data in machine units.
This uses machine units (FTW, POW, ASF). The frequency tuning word
width is 32, the phase offset word width is 16, and the amplitude
scale factor width is 12.
After the SPI transfer, the shared IO update pin is pulsed to
activate the data.
.. seealso: :meth:`set_phase_mode` for a definition of the different
phase modes.
:param ftw: Frequency tuning word: 32 bit.
:param pow_: Phase tuning word: 16 bit unsigned.
:param asf: Amplitude scale factor: 14 bit unsigned.
:param phase_mode: If specified, overrides the default phase mode set
by :meth:`set_phase_mode` for this call.
:param ref_time_mu: Fiducial time used to compute absolute or tracking
phase updates. In machine units as obtained by `now_mu()`.
:param profile: Profile number to set (0-7, default: 0).
:return: Resulting phase offset word after application of phase
tracking offset. When using :const:`PHASE_MODE_CONTINUOUS` in
subsequent calls, use this value as the "current" phase.
"""
if phase_mode == _PHASE_MODE_DEFAULT:
phase_mode = self.phase_mode
# Align to coarse RTIO which aligns SYNC_CLK. I.e. clear fine TSC
# This will not cause a collision or sequence error.
at_mu(now_mu() & ~7)
if phase_mode != PHASE_MODE_CONTINUOUS:
# Auto-clear phase accumulator on IO_UPDATE.
# This is active already for the next IO_UPDATE
self.set_cfr1(phase_autoclear=1)
if phase_mode == PHASE_MODE_TRACKING and ref_time_mu < 0:
# set default fiducial time stamp
ref_time_mu = 0
if ref_time_mu >= 0:
# 32 LSB are sufficient.
# Also no need to use IO_UPDATE time as this
# is equivalent to an output pipeline latency.
dt = int32(now_mu()) - int32(ref_time_mu)
pow_ += dt*ftw*self.sysclk_per_mu >> 16
self.write64(_AD9910_REG_PROFILE0 + profile,
(asf << 16) | (pow_ & 0xffff), ftw)
delay_mu(int64(self.sync_data.io_update_delay))
self.cpld.io_update.pulse_mu(8) # assumes 8 mu > t_SYN_CCLK
at_mu(now_mu() & ~7) # clear fine TSC again
if phase_mode != PHASE_MODE_CONTINUOUS:
self.set_cfr1()
# future IO_UPDATE will activate
return pow_
@kernel
def set_profile_ram(self, start, end, step=1, profile=0, nodwell_high=0,
zero_crossing=0, mode=1):
"""Set the RAM profile settings.
:param start: Profile start address in RAM.
:param end: Profile end address in RAM (last address).
:param step: Profile time step in units of t_DDS, typically 4 ns
(default: 1).
:param profile: Profile index (0 to 7) (default: 0).
:param nodwell_high: No-dwell high bit (default: 0,
see AD9910 documentation).
:param zero_crossing: Zero crossing bit (default: 0,
see AD9910 documentation).
:param mode: Profile RAM mode (:const:`RAM_MODE_DIRECTSWITCH`,
:const:`RAM_MODE_RAMPUP`, :const:`RAM_MODE_BIDIR_RAMP`,
:const:`RAM_MODE_CONT_BIDIR_RAMP`, or
:const:`RAM_MODE_CONT_RAMPUP`, default:
:const:`RAM_MODE_RAMPUP`)
"""
hi = (step << 8) | (end >> 2)
lo = ((end << 30) | (start << 14) | (nodwell_high << 5) |
(zero_crossing << 3) | mode)
self.write64(_AD9910_REG_PROFILE0 + profile, hi, lo)
@kernel
def set_ftw(self, ftw):
"""Set the value stored to the AD9910's frequency tuning word (FTW) register.
:param ftw: Frequency tuning word to be stored, range: 0 to 0xffffffff.
"""
self.write32(_AD9910_REG_FTW, ftw)
@kernel
def set_asf(self, asf):
"""Set the value stored to the AD9910's amplitude scale factor (ASF) register.
:param asf: Amplitude scale factor to be stored, range: 0 to 0x3fff.
"""
self.write32(_AD9910_REG_ASF, asf << 2)
@kernel
def set_pow(self, pow_):
"""Set the value stored to the AD9910's phase offset word (POW) register.
:param pow_: Phase offset word to be stored, range: 0 to 0xffff.
"""
self.write16(_AD9910_REG_POW, pow_)
@portable(flags={"fast-math"})
def frequency_to_ftw(self, frequency) -> TInt32:
"""Return the 32-bit frequency tuning word corresponding to the given
frequency.
"""
return int32(round(self.ftw_per_hz*frequency))
@portable(flags={"fast-math"})
def ftw_to_frequency(self, ftw):
"""Return the frequency corresponding to the given frequency tuning
word.
"""
return ftw / self.ftw_per_hz
@portable(flags={"fast-math"})
def turns_to_pow(self, turns) -> TInt32:
"""Return the 16-bit phase offset word corresponding to the given phase
in turns."""
return int32(round(turns*0x10000)) & int32(0xffff)
@portable(flags={"fast-math"})
def pow_to_turns(self, pow_):
"""Return the phase in turns corresponding to a given phase offset
word."""
return pow_/0x10000
@portable(flags={"fast-math"})
def amplitude_to_asf(self, amplitude) -> TInt32:
"""Return 14-bit amplitude scale factor corresponding to given
fractional amplitude."""
code = int32(round(amplitude * 0x3fff))
if code < 0 or code > 0x3fff:
raise ValueError("Invalid AD9910 fractional amplitude!")
return code
@portable(flags={"fast-math"})
def asf_to_amplitude(self, asf):
"""Return amplitude as a fraction of full scale corresponding to given
amplitude scale factor."""
return asf / float(0x3fff)
@portable(flags={"fast-math"})
def frequency_to_ram(self, frequency, ram):
"""Convert frequency values to RAM profile data.
To be used with :const:`RAM_DEST_FTW`.
:param frequency: List of frequency values in Hz.
:param ram: List to write RAM data into.
Suitable for :meth:`write_ram`.
"""
for i in range(len(ram)):
ram[i] = self.frequency_to_ftw(frequency[i])
@portable(flags={"fast-math"})
def turns_to_ram(self, turns, ram):
"""Convert phase values to RAM profile data.
To be used with :const:`RAM_DEST_POW`.
:param turns: List of phase values in turns.
:param ram: List to write RAM data into.
Suitable for :meth:`write_ram`.
"""
for i in range(len(ram)):
ram[i] = self.turns_to_pow(turns[i]) << 16
@portable(flags={"fast-math"})
def amplitude_to_ram(self, amplitude, ram):
"""Convert amplitude values to RAM profile data.
To be used with :const:`RAM_DEST_ASF`.
:param amplitude: List of amplitude values in units of full scale.
:param ram: List to write RAM data into.
Suitable for :meth:`write_ram`.
"""
for i in range(len(ram)):
ram[i] = self.amplitude_to_asf(amplitude[i]) << 18
@portable(flags={"fast-math"})
def turns_amplitude_to_ram(self, turns, amplitude, ram):
"""Convert phase and amplitude values to RAM profile data.
To be used with :const:`RAM_DEST_POWASF`.
:param turns: List of phase values in turns.
:param amplitude: List of amplitude values in units of full scale.
:param ram: List to write RAM data into.
Suitable for :meth:`write_ram`.
"""
for i in range(len(ram)):
ram[i] = ((self.turns_to_pow(turns[i]) << 16) |
self.amplitude_to_asf(amplitude[i]) << 2)
@kernel
def set_frequency(self, frequency):
"""Set the value stored to the AD9910's frequency tuning word (FTW) register.
:param frequency: frequency to be stored, in Hz.
"""
return self.set_ftw(self.frequency_to_ftw(frequency))
@kernel
def set_amplitude(self, amplitude):
"""Set the value stored to the AD9910's amplitude scale factor (ASF) register.
:param amplitude: amplitude to be stored, in units of full scale.
"""
return self.set_asf(self.amplitude_to_asf(amplitude))
@kernel
def set_phase(self, turns):
"""Set the value stored to the AD9910's phase offset word (POW) register.
:param turns: phase offset to be stored, in turns.
"""
return self.set_pow(self.turns_to_pow(turns))
@kernel
def set(self, frequency, phase=0.0, amplitude=1.0,
phase_mode=_PHASE_MODE_DEFAULT, ref_time_mu=int64(-1), profile=0):
"""Set profile 0 data in SI units.
.. seealso:: :meth:`set_mu`
:param frequency: Frequency in Hz
:param phase: Phase tuning word in turns
:param amplitude: Amplitude in units of full scale
:param phase_mode: Phase mode constant
:param ref_time_mu: Fiducial time stamp in machine units
:param profile: Profile to affect
:return: Resulting phase offset in turns
"""
return self.pow_to_turns(self.set_mu(
self.frequency_to_ftw(frequency), self.turns_to_pow(phase),
self.amplitude_to_asf(amplitude), phase_mode, ref_time_mu,
profile))
@kernel
def set_att_mu(self, att):
"""Set digital step attenuator in machine units.
This method will write the attenuator settings of all four channels.
.. seealso:: :meth:`artiq.coredevice.urukul.CPLD.set_att_mu`
:param att: Attenuation setting, 8 bit digital.
"""
self.cpld.set_att_mu(self.chip_select - 4, att)
@kernel
def set_att(self, att):
"""Set digital step attenuator in SI units.
This method will write the attenuator settings of all four channels.
.. seealso:: :meth:`artiq.coredevice.urukul.CPLD.set_att`
:param att: Attenuation in dB.
"""
self.cpld.set_att(self.chip_select - 4, att)
@kernel
def cfg_sw(self, state):
"""Set CPLD CFG RF switch state. The RF switch is controlled by the
logical or of the CPLD configuration shift register
RF switch bit and the SW TTL line (if used).
:param state: CPLD CFG RF switch bit
"""
self.cpld.cfg_sw(self.chip_select - 4, state)
@kernel
def set_sync(self, in_delay, window):
"""Set the relevant parameters in the multi device synchronization
register. See the AD9910 datasheet for details. The SYNC clock
generator preset value is set to zero, and the SYNC_OUT generator is
disabled.
:param in_delay: SYNC_IN delay tap (0-31) in steps of ~75ps
:param window: Symmetric SYNC_IN validation window (0-15) in
steps of ~75ps for both hold and setup margin.
"""
self.write32(_AD9910_REG_SYNC,
(window << 28) | # SYNC S/H validation delay
(1 << 27) | # SYNC receiver enable
(0 << 26) | # SYNC generator disable
(0 << 25) | # SYNC generator SYS rising edge
(0 << 18) | # SYNC preset
(0 << 11) | # SYNC output delay
(in_delay << 3)) # SYNC receiver delay
@kernel
def clear_smp_err(self):
"""Clear the SMP_ERR flag and enables SMP_ERR validity monitoring.
Violations of the SYNC_IN sample and hold margins will result in
SMP_ERR being asserted. This then also activates the red LED on
the respective Urukul channel.
Also modifies CFR2.
"""
self.write32(_AD9910_REG_CFR2, 0x01010020) # clear SMP_ERR
self.cpld.io_update.pulse(1*us)
self.write32(_AD9910_REG_CFR2, 0x01010000) # enable SMP_ERR
self.cpld.io_update.pulse(1*us)
@kernel
def tune_sync_delay(self, search_seed=15):
"""Find a stable SYNC_IN delay.
This method first locates a valid SYNC_IN delay at zero validation
window size (setup/hold margin) by scanning around `search_seed`. It
then looks for similar valid delays at successively larger validation
window sizes until none can be found. It then decreases the validation
window a bit to provide some slack and stability and returns the
optimal values.
This method and :meth:`tune_io_update_delay` can be run in any order.
:param search_seed: Start value for valid SYNC_IN delay search.
Defaults to 15 (half range).
:return: Tuple of optimal delay and window size.
"""
if not self.cpld.sync_div:
raise ValueError("parent cpld does not drive SYNC")
search_span = 31
# FIXME https://github.com/sinara-hw/Urukul/issues/16
# should both be 2-4 once kasli sync_in jitter is identified
min_window = 0
margin = 1 # 1*75ps setup and hold
for window in range(16):
next_seed = -1
for in_delay in range(search_span - 2*window):
# alternate search direction around search_seed
if in_delay & 1:
in_delay = -in_delay
in_delay = search_seed + (in_delay >> 1)
if in_delay < 0 or in_delay > 31:
continue
self.set_sync(in_delay, window)
self.clear_smp_err()
# integrate SMP_ERR statistics for a few hundred cycles
delay(100*us)
err = urukul_sta_smp_err(self.cpld.sta_read())
delay(100*us) # slack
if not (err >> (self.chip_select - 4)) & 1:
next_seed = in_delay
break
if next_seed >= 0: # valid delay found, scan next window
search_seed = next_seed
continue
elif window > min_window:
# no valid delay found here, roll back and add margin
window = max(min_window, window - 1 - margin)
self.set_sync(search_seed, window)
self.clear_smp_err()
delay(100*us) # slack
return search_seed, window
else:
break
raise ValueError("no valid window/delay")
@kernel
def measure_io_update_alignment(self, delay_start, delay_stop):
"""Use the digital ramp generator to locate the alignment between
IO_UPDATE and SYNC_CLK.
The ramp generator is set up to a linear frequency ramp
(dFTW/t_SYNC_CLK=1) and started at a coarse RTIO time stamp plus
`delay_start` and stopped at a coarse RTIO time stamp plus
`delay_stop`.
:param delay_start: Start IO_UPDATE delay in machine units.
:param delay_stop: Stop IO_UPDATE delay in machine units.
:return: Odd/even SYNC_CLK cycle indicator.
"""
# set up DRG
self.set_cfr1(drg_load_lrr=1, drg_autoclear=1)
# DRG -> FTW, DRG enable
self.write32(_AD9910_REG_CFR2, 0x01090000)
# no limits
self.write64(_AD9910_REG_RAMP_LIMIT, -1, 0)
# DRCTL=0, dt=1 t_SYNC_CLK
self.write32(_AD9910_REG_RAMP_RATE, 0x00010000)
# dFTW = 1, (work around negative slope)
self.write64(_AD9910_REG_RAMP_STEP, -1, 0)
# delay io_update after RTIO edge
t = now_mu() + 8 & ~7
at_mu(t + delay_start)
# assumes a maximum t_SYNC_CLK period
self.cpld.io_update.pulse_mu(16 - delay_start) # realign
# disable DRG autoclear and LRR on io_update
self.set_cfr1()
# stop DRG
self.write64(_AD9910_REG_RAMP_STEP, 0, 0)
at_mu(t + 0x1000 + delay_stop)
self.cpld.io_update.pulse_mu(16 - delay_stop) # realign
ftw = self.read32(_AD9910_REG_FTW) # read out effective FTW
delay(100*us) # slack
# disable DRG
self.write32(_AD9910_REG_CFR2, 0x01010000)
self.cpld.io_update.pulse_mu(8)
return ftw & 1
@kernel
def tune_io_update_delay(self):
"""Find a stable IO_UPDATE delay alignment.
Scan through increasing IO_UPDATE delays until a delay is found that
lets IO_UPDATE be registered in the next SYNC_CLK cycle. Return a
IO_UPDATE delay that is as far away from that SYNC_CLK edge
as possible.
This method assumes that the IO_UPDATE TTLOut device has one machine
unit resolution (SERDES).
This method and :meth:`tune_sync_delay` can be run in any order.
:return: Stable IO_UPDATE delay to be passed to the constructor
:class:`AD9910` via the device database.
"""
period = self.sysclk_per_mu * 4 # SYNC_CLK period
repeat = 100
for i in range(period):
t = 0
# check whether the sync edge is strictly between i, i+2
for j in range(repeat):
t += self.measure_io_update_alignment(i, i + 2)
if t != 0: # no certain edge
continue
# check left/right half: i,i+1 and i+1,i+2
t1 = [0, 0]
for j in range(repeat):
t1[0] += self.measure_io_update_alignment(i, i + 1)
t1[1] += self.measure_io_update_alignment(i + 1, i + 2)
if ((t1[0] == 0 and t1[1] == 0) or
(t1[0] == repeat and t1[1] == repeat)):
# edge is not close to i + 1, can't interpret result
raise ValueError(
"no clear IO_UPDATE-SYNC_CLK alignment edge found")
else:
# the good delay is period//2 after the edge
return (i + 1 + period//2) & (period - 1)
raise ValueError("no IO_UPDATE-SYNC_CLK alignment edge found")

219
artiq/coredevice/ad9912.py
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@ -1,55 +1,200 @@
"""
Driver for the AD9912 DDS.
"""
from numpy import int32, int64
from artiq.language.types import TInt32, TInt64
from artiq.language.core import kernel, delay, portable
from artiq.language.units import ms, us, ns
from artiq.coredevice.ad9912_reg import *
from artiq.language.core import kernel, delay_mu
from artiq.language.units import ns, us
from artiq.coredevice import spi
_AD9912_SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
from artiq.coredevice import spi2 as spi
from artiq.coredevice import urukul
class AD9912:
"""
Support for the Analog devices AD9912 DDS
AD9912 DDS channel on Urukul
:param spi_device: Name of the SPI bus this device is on.
:param chip_select: Value to drive on the chip select lines
during transactions.
This class supports a single DDS channel and exposes the DDS,
the digital step attenuator, and the RF switch.
:param chip_select: Chip select configuration. On Urukul this is an
encoded chip select and not "one-hot".
:param cpld_device: Name of the Urukul CPLD this device is on.
:param sw_device: Name of the RF switch device. The RF switch is a
TTLOut channel available as the :attr:`sw` attribute of this instance.
:param pll_n: DDS PLL multiplier. The DDS sample clock is
f_ref/clk_div*pll_n where f_ref is the reference frequency and clk_div
is the reference clock divider (both set in the parent Urukul CPLD
instance).
"""
kernel_invariants = {"chip_select", "cpld", "core", "bus", "ftw_per_hz"}
def __init__(self, dmgr, spi_device, chip_select):
self.core = dmgr.get("core")
self.bus = dmgr.get(spi_device)
def __init__(self, dmgr, chip_select, cpld_device, sw_device=None,
pll_n=10):
self.cpld = dmgr.get(cpld_device)
self.core = self.cpld.core
self.bus = self.cpld.bus
assert 4 <= chip_select <= 7
self.chip_select = chip_select
if sw_device:
self.sw = dmgr.get(sw_device)
self.kernel_invariants.add("sw")
self.pll_n = pll_n
sysclk = self.cpld.refclk/[1, 1, 2, 4][self.cpld.clk_div]*pll_n
assert sysclk <= 1e9
self.ftw_per_hz = 1/sysclk*(int64(1) << 48)
@kernel
def setup_bus(self, write_div=5, read_div=20):
"""Configure the SPI bus and the SPI transaction parameters
for this device. This method has to be called before any other method
if the bus has been used to access a different device in the meantime.
def write(self, addr, data, length):
"""Variable length write to a register.
Up to 4 bytes.
This method advances the timeline by the duration of two
RTIO-to-Wishbone bus transactions.
:param write_div: Write clock divider.
:param read_div: Read clock divider.
:param addr: Register address
:param data: Data to be written: int32
:param length: Length in bytes (1-4)
"""
# write: 5*8ns >= 40ns = t_clk (typ clk rate)
# read: 2*8*ns >= 25ns = t_dv (clk falling to miso valid) + RTT
self.bus.set_config_mu(_AD9912_SPI_CONFIG, write_div, read_div)
self.bus.set_xfer(self.chip_select, 24, 0)
assert length > 0
assert length <= 4
self.bus.set_config_mu(urukul.SPI_CONFIG, 16,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr | ((length - 1) << 13)) << 16)
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, length*8,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(data << (32 - length*8))
@kernel
def write(self, data):
"""Write 24 bits of data.
def read(self, addr, length):
"""Variable length read from a register.
Up to 4 bytes.
This method advances the timeline by the duration of the SPI transfer
and the required CS high time.
:param addr: Register address
:param length: Length in bytes (1-4)
:return: Data read
"""
self.bus.write(data << 8)
delay_mu(self.bus.ref_period_mu) # get to 20ns min cs high
assert length > 0
assert length <= 4
self.bus.set_config_mu(urukul.SPI_CONFIG, 16,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((addr | ((length - 1) << 13) | 0x8000) << 16)
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END
| spi.SPI_INPUT, length*8,
urukul.SPIT_DDS_RD, self.chip_select)
self.bus.write(0)
data = self.bus.read()
if length < 4:
data &= (1 << (length*8)) - 1
return data
@kernel
def init(self):
"""Initialize and configure the DDS.
Sets up SPI mode, confirms chip presence, powers down unused blocks,
and configures the PLL. Does not wait for PLL lock. Uses the
IO_UPDATE signal multiple times.
"""
# SPI mode
self.write(AD9912_SER_CONF, 0x99, length=1)
self.cpld.io_update.pulse(2*us)
# Verify chip ID and presence
prodid = self.read(AD9912_PRODIDH, length=2)
if (prodid != 0x1982) and (prodid != 0x1902):
raise ValueError("Urukul AD9912 product id mismatch")
delay(50*us)
# HSTL power down, CMOS power down
self.write(AD9912_PWRCNTRL1, 0x80, length=1)
self.cpld.io_update.pulse(2*us)
self.write(AD9912_N_DIV, self.pll_n//2 - 2, length=1)
self.cpld.io_update.pulse(2*us)
# I_cp = 375 µA, VCO high range
self.write(AD9912_PLLCFG, 0b00000101, length=1)
self.cpld.io_update.pulse(2*us)
delay(1*ms)
@kernel
def set_att_mu(self, att):
"""Set digital step attenuator in machine units.
This method will write the attenuator settings of all four channels.
.. seealso:: :meth:`artiq.coredevice.urukul.CPLD.set_att_mu`
:param att: Attenuation setting, 8 bit digital.
"""
self.cpld.set_att_mu(self.chip_select - 4, att)
@kernel
def set_att(self, att):
"""Set digital step attenuator in SI units.
This method will write the attenuator settings of all four channels.
.. seealso:: :meth:`artiq.coredevice.urukul.CPLD.set_att`
:param att: Attenuation in dB. Higher values mean more attenuation.
"""
self.cpld.set_att(self.chip_select - 4, att)
@kernel
def set_mu(self, ftw, pow):
"""Set profile 0 data in machine units.
After the SPI transfer, the shared IO update pin is pulsed to
activate the data.
:param ftw: Frequency tuning word: 48 bit unsigned.
:param pow: Phase tuning word: 16 bit unsigned.
"""
# streaming transfer of FTW and POW
self.bus.set_config_mu(urukul.SPI_CONFIG, 16,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((AD9912_POW1 << 16) | (3 << 29))
self.bus.set_config_mu(urukul.SPI_CONFIG, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write((pow << 16) | (int32(ftw >> 32) & 0xffff))
self.bus.set_config_mu(urukul.SPI_CONFIG | spi.SPI_END, 32,
urukul.SPIT_DDS_WR, self.chip_select)
self.bus.write(int32(ftw))
self.cpld.io_update.pulse(10*ns)
@portable(flags={"fast-math"})
def frequency_to_ftw(self, frequency) -> TInt64:
"""Returns the 48-bit frequency tuning word corresponding to the given
frequency.
"""
return int64(round(self.ftw_per_hz*frequency)) & ((int64(1) << 48) - 1)
@portable(flags={"fast-math"})
def ftw_to_frequency(self, ftw):
"""Returns the frequency corresponding to the given
frequency tuning word.
"""
return ftw/self.ftw_per_hz
@portable(flags={"fast-math"})
def turns_to_pow(self, phase) -> TInt32:
"""Returns the 16-bit phase offset word corresponding to the given
phase.
"""
return int32(round((1 << 14)*phase)) & 0xffff
@kernel
def set(self, frequency, phase=0.0):
"""Set profile 0 data in SI units.
.. seealso:: :meth:`set_mu`
:param ftw: Frequency in Hz
:param pow: Phase tuning word in turns
"""
self.set_mu(self.frequency_to_ftw(frequency),
self.turns_to_pow(phase))
@kernel
def cfg_sw(self, state):
"""Set CPLD CFG RF switch state. The RF switch is controlled by the
logical or of the CPLD configuration shift register
RF switch bit and the SW TTL line (if used).
:param state: CPLD CFG RF switch bit
"""
self.cpld.cfg_sw(self.chip_select - 4, state)

342
artiq/coredevice/ad9914.py Normal file
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@ -0,0 +1,342 @@
"""
Driver for the AD9914 DDS (with parallel bus) on RTIO.
"""
from artiq.language.core import *
from artiq.language.types import *
from artiq.language.units import *
from artiq.coredevice.rtio import rtio_output
from numpy import int32, int64
__all__ = [
"AD9914",
"PHASE_MODE_CONTINUOUS", "PHASE_MODE_ABSOLUTE", "PHASE_MODE_TRACKING"
]
_PHASE_MODE_DEFAULT = -1
PHASE_MODE_CONTINUOUS = 0
PHASE_MODE_ABSOLUTE = 1
PHASE_MODE_TRACKING = 2
AD9914_REG_CFR1L = 0x01
AD9914_REG_CFR1H = 0x03
AD9914_REG_CFR2L = 0x05
AD9914_REG_CFR2H = 0x07
AD9914_REG_CFR3L = 0x09
AD9914_REG_CFR3H = 0x0b
AD9914_REG_CFR4L = 0x0d
AD9914_REG_CFR4H = 0x0f
AD9914_REG_DRGFL = 0x11
AD9914_REG_DRGFH = 0x13
AD9914_REG_DRGBL = 0x15
AD9914_REG_DRGBH = 0x17
AD9914_REG_DRGAL = 0x19
AD9914_REG_DRGAH = 0x1b
AD9914_REG_POW = 0x31
AD9914_REG_ASF = 0x33
AD9914_REG_USR0 = 0x6d
AD9914_FUD = 0x80
AD9914_GPIO = 0x81
class AD9914:
"""Driver for one AD9914 DDS channel.
The time cursor is not modified by any function in this class.
Output event replacement is not supported and issuing commands at the same
time is an error.
:param sysclk: DDS system frequency. The DDS system clock must be a
phase-locked multiple of the RTIO clock.
:param bus_channel: RTIO channel number of the DDS bus.
:param channel: channel number (on the bus) of the DDS device to control.
"""
kernel_invariants = {"core", "sysclk", "bus_channel", "channel",
"rtio_period_mu", "sysclk_per_mu", "write_duration_mu",
"dac_cal_duration_mu", "init_duration_mu", "init_sync_duration_mu",
"set_duration_mu", "set_x_duration_mu", "exit_x_duration_mu"}
def __init__(self, dmgr, sysclk, bus_channel, channel, core_device="core"):
self.core = dmgr.get(core_device)
self.sysclk = sysclk
self.bus_channel = bus_channel
self.channel = channel
self.phase_mode = PHASE_MODE_CONTINUOUS
self.rtio_period_mu = int64(8)
self.sysclk_per_mu = int32(self.sysclk * self.core.ref_period)
self.write_duration_mu = 5 * self.rtio_period_mu
self.dac_cal_duration_mu = 147000 * self.rtio_period_mu
self.init_duration_mu = 13 * self.write_duration_mu + self.dac_cal_duration_mu
self.init_sync_duration_mu = 21 * self.write_duration_mu + 2 * self.dac_cal_duration_mu
self.set_duration_mu = 7 * self.write_duration_mu
self.set_x_duration_mu = 7 * self.write_duration_mu
self.exit_x_duration_mu = 3 * self.write_duration_mu
@kernel
def write(self, addr, data):
rtio_output((self.bus_channel << 8) | addr, data)
delay_mu(self.write_duration_mu)
@kernel
def init(self):
"""Resets and initializes the DDS channel.
This needs to be done for each DDS channel before it can be used, and
it is recommended to use the startup kernel for this purpose.
"""
delay_mu(-self.init_duration_mu)
self.write(AD9914_GPIO, (1 << self.channel) << 1);
# Note another undocumented "feature" of the AD9914:
# Programmable modulus breaks if the digital ramp enable bit is
# not set at the same time.
self.write(AD9914_REG_CFR1H, 0x0000) # Enable cosine output
self.write(AD9914_REG_CFR2L, 0x8900) # Enable matched latency
self.write(AD9914_REG_CFR2H, 0x0089) # Enable profile mode + programmable modulus + DRG
self.write(AD9914_REG_DRGAL, 0) # Programmable modulus A = 0
self.write(AD9914_REG_DRGAH, 0)
self.write(AD9914_REG_DRGBH, 0x8000) # Programmable modulus B == 2**31
self.write(AD9914_REG_DRGBL, 0x0000)
self.write(AD9914_REG_ASF, 0x0fff) # Set amplitude to maximum
self.write(AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(AD9914_FUD, 0)
@kernel
def init_sync(self, sync_delay):
"""Resets and initializes the DDS channel as well as configures
the AD9914 DDS for synchronisation. The synchronisation procedure
follows the steps outlined in the AN-1254 application note.
This needs to be done for each DDS channel before it can be used, and
it is recommended to use the startup kernel for this.
This function cannot be used in a batch; the correct way of
initializing multiple DDS channels is to call this function
sequentially with a delay between the calls. 10ms provides a good
timing margin.
:param sync_delay: integer from 0 to 0x3f that sets the value of
SYNC_OUT (bits 3-5) and SYNC_IN (bits 0-2) delay ADJ bits.
"""
delay_mu(-self.init_sync_duration_mu)
self.write(AD9914_GPIO, (1 << self.channel) << 1)
self.write(AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(AD9914_FUD, 0)
self.write(AD9914_REG_CFR2L, 0x8b00) # Enable matched latency and sync_out
self.write(AD9914_FUD, 0)
# Set cal with sync and set sync_out and sync_in delay
self.write(AD9914_REG_USR0, 0x0840 | (sync_delay & 0x3f))
self.write(AD9914_FUD, 0)
self.write(AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(AD9914_FUD, 0)
self.write(AD9914_REG_CFR1H, 0x0000) # Enable cosine output
self.write(AD9914_REG_CFR2H, 0x0089) # Enable profile mode + programmable modulus + DRG
self.write(AD9914_REG_DRGAL, 0) # Programmable modulus A = 0
self.write(AD9914_REG_DRGAH, 0)
self.write(AD9914_REG_DRGBH, 0x8000) # Programmable modulus B == 2**31
self.write(AD9914_REG_DRGBL, 0x0000)
self.write(AD9914_REG_ASF, 0x0fff) # Set amplitude to maximum
self.write(AD9914_FUD, 0)
@kernel
def set_phase_mode(self, phase_mode):
"""Sets the phase mode of the DDS channel. Supported phase modes are:
* :const:`PHASE_MODE_CONTINUOUS`: the phase accumulator is unchanged when
switching frequencies. The DDS phase is the sum of the phase
accumulator and the phase offset. The only discrete jumps in the
DDS output phase come from changes to the phase offset.
* :const:`PHASE_MODE_ABSOLUTE`: the phase accumulator is reset when
switching frequencies. Thus, the phase of the DDS at the time of
the frequency change is equal to the phase offset.
* :const:`PHASE_MODE_TRACKING`: when switching frequencies, the phase
accumulator is set to the value it would have if the DDS had been
running at the specified frequency since the start of the
experiment.
.. warning:: This setting may become inconsistent when used as part of
a DMA recording. When using DMA, it is recommended to specify the
phase mode explicitly when calling :meth:`set` or :meth:`set_mu`.
"""
self.phase_mode = phase_mode
@kernel
def set_mu(self, ftw, pow=0, phase_mode=_PHASE_MODE_DEFAULT,
asf=0x0fff, ref_time_mu=-1):
"""Sets the DDS channel to the specified frequency and phase.
This uses machine units (FTW and POW). The frequency tuning word width
is 32, the phase offset word width is 16, and the amplitude scale factor
width is 12.
The "frequency update" pulse is sent to the DDS with a fixed latency
with respect to the current position of the time cursor.
:param ftw: frequency to generate.
:param pow: adds an offset to the phase.
:param phase_mode: if specified, overrides the default phase mode set
by :meth:`set_phase_mode` for this call.
:param ref_time_mu: reference time used to compute phase. Specifying this
makes it easier to have a well-defined phase relationship between
DDSes on the same bus that are updated at a similar time.
:return: Resulting phase offset word after application of phase
tracking offset. When using :const:`PHASE_MODE_CONTINUOUS` in
subsequent calls, use this value as the "current" phase.
"""
if phase_mode == _PHASE_MODE_DEFAULT:
phase_mode = self.phase_mode
if ref_time_mu < 0:
ref_time_mu = now_mu()
delay_mu(-self.set_duration_mu)
self.write(AD9914_GPIO, (1 << self.channel) << 1)
self.write(AD9914_REG_DRGFL, ftw & 0xffff)
self.write(AD9914_REG_DRGFH, (ftw >> 16) & 0xffff)
# We need the RTIO fine timestamp clock to be phase-locked
# to DDS SYSCLK, and divided by an integer self.sysclk_per_mu.
if phase_mode == PHASE_MODE_CONTINUOUS:
# Do not clear phase accumulator on FUD
# Disable autoclear phase accumulator and enables OSK.
self.write(AD9914_REG_CFR1L, 0x0108)
else:
# Clear phase accumulator on FUD
# Enable autoclear phase accumulator and enables OSK.
self.write(AD9914_REG_CFR1L, 0x2108)
fud_time = now_mu() + 2 * self.write_duration_mu
pow -= int32((ref_time_mu - fud_time) * self.sysclk_per_mu * ftw >> (32 - 16))
if phase_mode == PHASE_MODE_TRACKING:
pow += int32(ref_time_mu * self.sysclk_per_mu * ftw >> (32 - 16))
self.write(AD9914_REG_POW, pow)
self.write(AD9914_REG_ASF, asf)
self.write(AD9914_FUD, 0)
return pow
@portable(flags={"fast-math"})
def frequency_to_ftw(self, frequency):
"""Returns the 32-bit frequency tuning word corresponding to the given
frequency.
"""
return int32(round(float(int64(2)**32*frequency/self.sysclk)))
@portable(flags={"fast-math"})
def ftw_to_frequency(self, ftw):
"""Returns the frequency corresponding to the given frequency tuning
word.
"""
return ftw*self.sysclk/int64(2)**32
@portable(flags={"fast-math"})
def turns_to_pow(self, turns):
"""Returns the 16-bit phase offset word corresponding to the given
phase in turns."""
return round(float(turns*2**16)) & 0xffff
@portable(flags={"fast-math"})
def pow_to_turns(self, pow):
"""Returns the phase in turns corresponding to the given phase offset
word."""
return pow/2**16
@portable(flags={"fast-math"})
def amplitude_to_asf(self, amplitude):
"""Returns 12-bit amplitude scale factor corresponding to given
amplitude."""
code = round(float(amplitude * 0x0fff))
if code < 0 or code > 0xfff:
raise ValueError("Invalid AD9914 amplitude!")
return code
@portable(flags={"fast-math"})
def asf_to_amplitude(self, asf):
"""Returns the amplitude corresponding to the given amplitude scale
factor."""
return asf/0x0fff
@kernel
def set(self, frequency, phase=0.0, phase_mode=_PHASE_MODE_DEFAULT,
amplitude=1.0):
"""Like :meth:`set_mu`, but uses Hz and turns."""
return self.pow_to_turns(
self.set_mu(self.frequency_to_ftw(frequency),
self.turns_to_pow(phase), phase_mode,
self.amplitude_to_asf(amplitude)))
# Extended-resolution functions
@kernel
def set_x_mu(self, xftw, amplitude=0x0fff):
"""Set the DDS frequency and amplitude with an extended-resolution
(63-bit) frequency tuning word.
Phase control is not implemented in this mode; the phase offset
can assume any value.
After this function has been called, exit extended-resolution mode
before calling functions that use standard-resolution mode.
"""
delay_mu(-self.set_x_duration_mu)
self.write(AD9914_GPIO, (1 << self.channel) << 1)
self.write(AD9914_REG_DRGAL, xftw & 0xffff)
self.write(AD9914_REG_DRGAH, (xftw >> 16) & 0x7fff)
self.write(AD9914_REG_DRGFL, (xftw >> 31) & 0xffff)
self.write(AD9914_REG_DRGFH, (xftw >> 47) & 0xffff)
self.write(AD9914_REG_ASF, amplitude)
self.write(AD9914_FUD, 0)
@kernel
def exit_x(self):
"""Exits extended-resolution mode."""
delay_mu(-self.exit_x_duration_mu)
self.write(AD9914_GPIO, (1 << self.channel) << 1)
self.write(AD9914_REG_DRGAL, 0)
self.write(AD9914_REG_DRGAH, 0)
@portable(flags={"fast-math"})
def frequency_to_xftw(self, frequency):
"""Returns the 63-bit frequency tuning word corresponding to the given
frequency (extended resolution mode).
"""
return int64(round(2.0*float(int64(2)**62)*frequency/self.sysclk)) & (
(int64(1) << 63) - 1)
@portable(flags={"fast-math"})
def xftw_to_frequency(self, xftw):
"""Returns the frequency corresponding to the given frequency tuning
word (extended resolution mode).
"""
return xftw*self.sysclk/(2.0*float(int64(2)**62))
@kernel
def set_x(self, frequency, amplitude=1.0):
"""Like :meth:`set_x_mu`, but uses Hz and turns.
Note that the precision of ``float`` is less than the precision
of the extended frequency tuning word.
"""
self.set_x_mu(self.frequency_to_xftw(frequency),
self.amplitude_to_asf(amplitude))

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artiq/coredevice/adf5356.py Normal file
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@ -0,0 +1,569 @@
"""RTIO driver for the Analog Devices ADF[45]35[56] family of GHz PLLs
on Mirny-style prefixed SPI buses.
"""
# https://github.com/analogdevicesinc/linux/blob/master/Documentation/devicetree/bindings/iio/frequency/adf5355.txt
# https://github.com/analogdevicesinc/linux/blob/master/drivers/iio/frequency/adf5355.c
# https://www.analog.com/media/en/technical-documentation/data-sheets/ADF5355.pdf
# https://www.analog.com/media/en/technical-documentation/data-sheets/ADF5355.pdf
# https://www.analog.com/media/en/technical-documentation/user-guides/EV-ADF5355SD1Z-UG-1087.pdf
from artiq.language.core import kernel, portable, delay
from artiq.language.units import us, GHz, MHz
from artiq.language.types import TInt32, TInt64
from artiq.coredevice import spi2 as spi
from artiq.coredevice.adf5356_reg import *
from numpy import int32, int64, floor, ceil
SPI_CONFIG = (
0 * spi.SPI_OFFLINE
| 0 * spi.SPI_END
| 0 * spi.SPI_INPUT
| 1 * spi.SPI_CS_POLARITY
| 0 * spi.SPI_CLK_POLARITY
| 0 * spi.SPI_CLK_PHASE
| 0 * spi.SPI_LSB_FIRST
| 0 * spi.SPI_HALF_DUPLEX
)
ADF5356_MIN_VCO_FREQ = int64(3.4 * GHz)
ADF5356_MAX_VCO_FREQ = int64(6.8 * GHz)
ADF5356_MAX_FREQ_PFD = int32(125.0 * MHz)
ADF5356_MODULUS1 = int32(1 << 24)
ADF5356_MAX_MODULUS2 = int32(1 << 28) # FIXME: ADF5356 has 28 bits MOD2
ADF5356_MAX_R_CNT = int32(1023)
class ADF5356:
"""Analog Devices AD[45]35[56] family of GHz PLLs.
:param cpld_device: Mirny CPLD device name
:param sw_device: Mirny RF switch device name
:param channel: Mirny RF channel index
:param ref_doubler: enable/disable reference clock doubler
:param ref_divider: enable/disable reference clock divide-by-2
:param core_device: Core device name (default: "core")
"""
kernel_invariants = {"cpld", "sw", "channel", "core", "sysclk"}
def __init__(
self,
dmgr,
cpld_device,
sw_device,
channel,
ref_doubler=False,
ref_divider=False,
core="core",
):
self.cpld = dmgr.get(cpld_device)
self.sw = dmgr.get(sw_device)
self.channel = channel
self.core = dmgr.get(core)
self.ref_doubler = ref_doubler
self.ref_divider = ref_divider
self.sysclk = self.cpld.refclk
assert 10 <= self.sysclk / 1e6 <= 600
self._init_registers()
@kernel
def init(self, blind=False):
"""
Initialize and configure the PLL.
:param blind: Do not attempt to verify presence.
"""
if not blind:
# MUXOUT = VDD
self.write(ADF5356_REG4_MUXOUT(1) | 4)
delay(5000 * us)
if not self.read_muxout():
raise ValueError("MUXOUT not high")
delay(1000 * us)
# MUXOUT = DGND
self.write(ADF5356_REG4_MUXOUT(2) | 4)
delay(5000 * us)
if self.read_muxout():
raise ValueError("MUXOUT not low")
delay(1000 * us)
@kernel
def set_att_mu(self, att):
"""Set digital step attenuator in machine units.
:param att: Attenuation setting, 8 bit digital.
"""
self.cpld.set_att_mu(self.channel, att)
@kernel
def write(self, data):
self.cpld.write_ext(self.channel | 4, 32, data)
@kernel
def read_muxout(self):
"""
Read the state of the MUXOUT line.
By default, this is configured to be the digital lock detection.
"""
return bool(self.cpld.read_reg(0) & (1 << (self.channel + 8)))
@kernel
def set_output_power_mu(self, n):
"""
Set the power level at output A of the PLL chip in machine units.
This driver defaults to `n = 3` at init.
:param n: output power setting, 0, 1, 2, or 3 (see ADF5356 datasheet, fig. 44).
"""
if n not in [0, 1, 2, 3]:
raise ValueError("invalid power setting")
self.regs[6] = ADF5356_REG6_RF_OUTPUT_A_POWER_UPDATE(self.regs[6], n)
self.sync()
@portable
def output_power_mu(self):
"""
Return the power level at output A of the PLL chip in machine units.
"""
return ADF5356_REG6_RF_OUTPUT_A_POWER_GET(self.regs[6])
@kernel
def enable_output(self):
"""
Enable output A of the PLL chip. This is the default after init.
"""
self.regs[6] |= ADF5356_REG6_RF_OUTPUT_A_ENABLE(1)
self.sync()
@kernel
def disable_output(self):
"""
Disable output A of the PLL chip.
"""
self.regs[6] &= ~ADF5356_REG6_RF_OUTPUT_A_ENABLE(1)
self.sync()
@kernel
def set_frequency(self, f):
"""
Output given frequency on output A.
:param f: 53.125 MHz <= f <= 6800 MHz
"""
freq = int64(round(f))
if freq > ADF5356_MAX_VCO_FREQ:
raise ValueError("Requested too high frequency")
# select minimal output divider
rf_div_sel = 0
while freq < ADF5356_MIN_VCO_FREQ:
freq <<= 1
rf_div_sel += 1
if (1 << rf_div_sel) > 64:
raise ValueError("Requested too low frequency")
# choose reference divider that maximizes PFD frequency
self.regs[4] = ADF5356_REG4_R_COUNTER_UPDATE(
self.regs[4], self._compute_reference_counter()
)
f_pfd = self.f_pfd()
# choose prescaler
if freq > int64(6e9):
self.regs[0] |= ADF5356_REG0_PRESCALER(1) # 8/9
n_min, n_max = 75, 65535
# adjust reference divider to be able to match n_min constraint
while n_min * f_pfd > freq:
r = ADF5356_REG4_R_COUNTER_GET(self.regs[4])
self.regs[4] = ADF5356_REG4_R_COUNTER_UPDATE(self.regs[4], r + 1)
f_pfd = self.f_pfd()
else:
self.regs[0] &= ~ADF5356_REG0_PRESCALER(1) # 4/5
n_min, n_max = 23, 32767
# calculate PLL parameters
n, frac1, (frac2_msb, frac2_lsb), (mod2_msb, mod2_lsb) = calculate_pll(
freq, f_pfd
)
if not (n_min <= n <= n_max):
raise ValueError("Invalid INT value")
# configure PLL
self.regs[0] = ADF5356_REG0_INT_VALUE_UPDATE(self.regs[0], n)
self.regs[1] = ADF5356_REG1_MAIN_FRAC_VALUE_UPDATE(self.regs[1], frac1)
self.regs[2] = ADF5356_REG2_AUX_FRAC_LSB_VALUE_UPDATE(self.regs[2], frac2_lsb)
self.regs[2] = ADF5356_REG2_AUX_MOD_LSB_VALUE_UPDATE(self.regs[2], mod2_lsb)
self.regs[13] = ADF5356_REG13_AUX_FRAC_MSB_VALUE_UPDATE(
self.regs[13], frac2_msb
)
self.regs[13] = ADF5356_REG13_AUX_MOD_MSB_VALUE_UPDATE(self.regs[13], mod2_msb)
self.regs[6] = ADF5356_REG6_RF_DIVIDER_SELECT_UPDATE(self.regs[6], rf_div_sel)
self.regs[6] = ADF5356_REG6_CP_BLEED_CURRENT_UPDATE(
self.regs[6], int32(floor(24 * f_pfd / (61.44 * MHz)))
)
self.regs[9] = ADF5356_REG9_VCO_BAND_DIVISION_UPDATE(
self.regs[9], int32(ceil(f_pfd / 160e3))
)
# commit
self.sync()
@kernel
def sync(self):
"""
Write all registers to the device. Attempts to lock the PLL.
"""
f_pfd = self.f_pfd()
if f_pfd <= 75.0 * MHz:
for i in range(13, 0, -1):
self.write(self.regs[i])
delay(200 * us)
self.write(self.regs[0] | ADF5356_REG0_AUTOCAL(1))
else:
# AUTOCAL AT HALF PFD FREQUENCY
# calculate PLL at f_pfd/2
n, frac1, (frac2_msb, frac2_lsb), (mod2_msb, mod2_lsb) = calculate_pll(
self.f_vco(), f_pfd >> 1
)
self.write(
13
| ADF5356_REG13_AUX_FRAC_MSB_VALUE(frac2_msb)
| ADF5356_REG13_AUX_MOD_MSB_VALUE(mod2_msb)
)
for i in range(12, 4, -1):
self.write(self.regs[i])
self.write(
ADF5356_REG4_R_COUNTER_UPDATE(self.regs[4], 2 * self.ref_counter())
)
self.write(self.regs[3])
self.write(
2
| ADF5356_REG2_AUX_MOD_LSB_VALUE(mod2_lsb)
| ADF5356_REG2_AUX_FRAC_LSB_VALUE(frac2_lsb)
)
self.write(1 | ADF5356_REG1_MAIN_FRAC_VALUE(frac1))
delay(200 * us)
self.write(ADF5356_REG0_INT_VALUE(n) | ADF5356_REG0_AUTOCAL(1))
# RELOCK AT WANTED PFD FREQUENCY
for i in [4, 2, 1]:
self.write(self.regs[i])
# force-disable autocal
self.write(self.regs[0] & ~ADF5356_REG0_AUTOCAL(1))
@portable
def f_pfd(self) -> TInt64:
"""
Return the PFD frequency for the cached set of registers.
"""
r = ADF5356_REG4_R_COUNTER_GET(self.regs[4])
d = ADF5356_REG4_R_DOUBLER_GET(self.regs[4])
t = ADF5356_REG4_R_DIVIDER_GET(self.regs[4])
return self._compute_pfd_frequency(r, d, t)
@portable
def f_vco(self) -> TInt64:
"""
Return the VCO frequency for the cached set of registers.
"""
return int64(
self.f_pfd()
* (
self.pll_n()
+ (self.pll_frac1() + self.pll_frac2() / self.pll_mod2())
/ ADF5356_MODULUS1
)
)
@portable
def pll_n(self) -> TInt32:
"""
Return the PLL integer value (INT) for the cached set of registers.
"""
return ADF5356_REG0_INT_VALUE_GET(self.regs[0])
@portable
def pll_frac1(self) -> TInt32:
"""
Return the main fractional value (FRAC1) for the cached set of registers.
"""
return ADF5356_REG1_MAIN_FRAC_VALUE_GET(self.regs[1])
@portable
def pll_frac2(self) -> TInt32:
"""
Return the auxiliary fractional value (FRAC2) for the cached set of registers.
"""
return (
ADF5356_REG13_AUX_FRAC_MSB_VALUE_GET(self.regs[13]) << 14
) | ADF5356_REG2_AUX_FRAC_LSB_VALUE_GET(self.regs[2])
@portable
def pll_mod2(self) -> TInt32:
"""
Return the auxiliary modulus value (MOD2) for the cached set of registers.
"""
return (
ADF5356_REG13_AUX_MOD_MSB_VALUE_GET(self.regs[13]) << 14
) | ADF5356_REG2_AUX_MOD_LSB_VALUE_GET(self.regs[2])
@portable
def ref_counter(self) -> TInt32:
"""
Return the reference counter value (R) for the cached set of registers.
"""
return ADF5356_REG4_R_COUNTER_GET(self.regs[4])
@portable
def output_divider(self) -> TInt32:
"""
Return the value of the output A divider.
"""
return 1 << ADF5356_REG6_RF_DIVIDER_SELECT_GET(self.regs[6])
def info(self):
"""
Return a summary of high-level parameters as a dict.
"""
prescaler = ADF5356_REG0_PRESCALER_GET(self.regs[0])
return {
# output
"f_outA": self.f_vco() / self.output_divider(),
"f_outB": self.f_vco() * 2,
"output_divider": self.output_divider(),
# PLL parameters
"f_vco": self.f_vco(),
"pll_n": self.pll_n(),
"pll_frac1": self.pll_frac1(),
"pll_frac2": self.pll_frac2(),
"pll_mod2": self.pll_mod2(),
"prescaler": "4/5" if prescaler == 0 else "8/9",
# reference / PFD
"sysclk": self.sysclk,
"ref_doubler": self.ref_doubler,
"ref_divider": self.ref_divider,
"ref_counter": self.ref_counter(),
"f_pfd": self.f_pfd(),
}
@portable
def _init_registers(self):
"""
Initialize cached registers with sensible defaults.
"""
# fill with control bits
self.regs = [int32(i) for i in range(ADF5356_NUM_REGS)]
# REG2
# ====
# avoid divide-by-zero
self.regs[2] |= ADF5356_REG2_AUX_MOD_LSB_VALUE(1)
# REG4
# ====
# single-ended reference mode is recommended
# for references up to 250 MHz, even if the signal is differential
if self.sysclk <= 250 * MHz:
self.regs[4] |= ADF5356_REG4_REF_MODE(0)
else:
self.regs[4] |= ADF5356_REG4_REF_MODE(1)
# phase detector polarity: positive
self.regs[4] |= ADF5356_REG4_PD_POLARITY(1)
# charge pump current: 0.94 mA
self.regs[4] |= ADF5356_REG4_CURRENT_SETTING(2)
# MUXOUT: digital lock detect
self.regs[4] |= ADF5356_REG4_MUX_LOGIC(1) # 3v3 logic
self.regs[4] |= ADF5356_REG4_MUXOUT(6)
# setup reference path
if self.ref_doubler:
self.regs[4] |= ADF5356_REG4_R_DOUBLER(1)
if self.ref_divider:
self.regs[4] |= ADF5356_REG4_R_DIVIDER(1)
r = self._compute_reference_counter()
self.regs[4] |= ADF5356_REG4_R_COUNTER(r)
# REG5
# ====
# reserved values
self.regs[5] = int32(0x800025)
# REG6
# ====
# reserved values
self.regs[6] = int32(0x14000006)
# enable negative bleed
self.regs[6] |= ADF5356_REG6_NEGATIVE_BLEED(1)
# charge pump bleed current
# self.regs[6] |= ADF5356_REG6_CP_BLEED_CURRENT(
# int32(floor(24 * self.f_pfd / (61.44 * MHz)))
# )
# direct feedback from VCO to N counter
self.regs[6] |= ADF5356_REG6_FB_SELECT(1)
# mute until the PLL is locked
self.regs[6] |= ADF5356_REG6_MUTE_TILL_LD(1)
# enable output A
self.regs[6] |= ADF5356_REG6_RF_OUTPUT_A_ENABLE(1)
# set output A power to max power, is adjusted by extra attenuator
self.regs[6] |= ADF5356_REG6_RF_OUTPUT_A_POWER(3) # +5 dBm
# REG7
# ====
# reserved values
self.regs[7] = int32(0x10000007)
# sync load-enable to reference
self.regs[7] |= ADF5356_REG7_LE_SYNC(1)
# frac-N lock-detect precision: 12 ns
self.regs[7] |= ADF5356_REG7_FRAC_N_LD_PRECISION(3)
# REG8
# ====
# reserved values
self.regs[8] = int32(0x102D0428)
# REG9
# ====
# default timeouts (from eval software)
self.regs[9] |= (
ADF5356_REG9_SYNTH_LOCK_TIMEOUT(13)
| ADF5356_REG9_AUTOCAL_TIMEOUT(31)
| ADF5356_REG9_TIMEOUT(0x67)
)
# REG10
# =====
# reserved values
self.regs[10] = int32(0xC0000A)
# ADC defaults (from eval software)
self.regs[10] |= (
ADF5356_REG10_ADC_ENABLE(1)
| ADF5356_REG10_ADC_CLK_DIV(256)
| ADF5356_REG10_ADC_CONV(1)
)
# REG11
# =====
# reserved values
self.regs[11] = int32(0x61200B)
# REG12
# =====
# reserved values
self.regs[12] = int32(0x15FC)
@portable
def _compute_pfd_frequency(self, r, d, t) -> TInt64:
"""
Calculate the PFD frequency from the given reference path parameters
"""
return int64(self.sysclk * ((1 + d) / (r * (1 + t))))
@portable
def _compute_reference_counter(self) -> TInt32:
"""
Determine the reference counter R that maximizes the PFD frequency
"""
d = ADF5356_REG4_R_DOUBLER_GET(self.regs[4])
t = ADF5356_REG4_R_DIVIDER_GET(self.regs[4])
r = 1
while self._compute_pfd_frequency(r, d, t) > ADF5356_MAX_FREQ_PFD:
r += 1
return int32(r)
@portable
def gcd(a, b):
while b:
a, b = b, a % b
return a
@portable
def split_msb_lsb_28b(v):
return int32((v >> 14) & 0x3FFF), int32(v & 0x3FFF)
@portable
def calculate_pll(f_vco: TInt64, f_pfd: TInt64):
"""
Calculate fractional-N PLL parameters such that
``f_vco`` = ``f_pfd`` * (``n`` + (``frac1`` + ``frac2``/``mod2``) / ``mod1``)
where
``mod1 = 2**24`` and ``mod2 <= 2**28``
:param f_vco: target VCO frequency
:param f_pfd: PFD frequency
:return: ``(n, frac1, (frac2_msb, frac2_lsb), (mod2_msb, mod2_lsb))``
"""
f_pfd = int64(f_pfd)
f_vco = int64(f_vco)
# integral part
n, r = int32(f_vco // f_pfd), f_vco % f_pfd
# main fractional part
r *= ADF5356_MODULUS1
frac1, frac2 = int32(r // f_pfd), r % f_pfd
# auxiliary fractional part
mod2 = f_pfd
while mod2 > ADF5356_MAX_MODULUS2:
mod2 >>= 1
frac2 >>= 1
gcd_div = gcd(frac2, mod2)
mod2 //= gcd_div
frac2 //= gcd_div
return n, frac1, split_msb_lsb_28b(frac2), split_msb_lsb_28b(mod2)

642
artiq/coredevice/adf5356_reg.py Normal file
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@ -0,0 +1,642 @@
# auto-generated, do not edit
from artiq.language.core import portable
from artiq.language.types import TInt32
from numpy import int32
@portable
def ADF5356_REG0_AUTOCAL_GET(reg: TInt32) -> TInt32:
return int32((reg >> 21) & 0x1)
@portable
def ADF5356_REG0_AUTOCAL(x: TInt32) -> TInt32:
return int32((x & 0x1) << 21)
@portable
def ADF5356_REG0_AUTOCAL_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 21)) | ((x & 0x1) << 21))
@portable
def ADF5356_REG0_INT_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0xffff)
@portable
def ADF5356_REG0_INT_VALUE(x: TInt32) -> TInt32:
return int32((x & 0xffff) << 4)
@portable
def ADF5356_REG0_INT_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xffff << 4)) | ((x & 0xffff) << 4))
@portable
def ADF5356_REG0_PRESCALER_GET(reg: TInt32) -> TInt32:
return int32((reg >> 20) & 0x1)
@portable
def ADF5356_REG0_PRESCALER(x: TInt32) -> TInt32:
return int32((x & 0x1) << 20)
@portable
def ADF5356_REG0_PRESCALER_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 20)) | ((x & 0x1) << 20))
@portable
def ADF5356_REG1_MAIN_FRAC_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0xffffff)
@portable
def ADF5356_REG1_MAIN_FRAC_VALUE(x: TInt32) -> TInt32:
return int32((x & 0xffffff) << 4)
@portable
def ADF5356_REG1_MAIN_FRAC_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xffffff << 4)) | ((x & 0xffffff) << 4))
@portable
def ADF5356_REG2_AUX_FRAC_LSB_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 18) & 0x3fff)
@portable
def ADF5356_REG2_AUX_FRAC_LSB_VALUE(x: TInt32) -> TInt32:
return int32((x & 0x3fff) << 18)
@portable
def ADF5356_REG2_AUX_FRAC_LSB_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3fff << 18)) | ((x & 0x3fff) << 18))
@portable
def ADF5356_REG2_AUX_MOD_LSB_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x3fff)
@portable
def ADF5356_REG2_AUX_MOD_LSB_VALUE(x: TInt32) -> TInt32:
return int32((x & 0x3fff) << 4)
@portable
def ADF5356_REG2_AUX_MOD_LSB_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3fff << 4)) | ((x & 0x3fff) << 4))
@portable
def ADF5356_REG3_PHASE_ADJUST_GET(reg: TInt32) -> TInt32:
return int32((reg >> 28) & 0x1)
@portable
def ADF5356_REG3_PHASE_ADJUST(x: TInt32) -> TInt32:
return int32((x & 0x1) << 28)
@portable
def ADF5356_REG3_PHASE_ADJUST_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 28)) | ((x & 0x1) << 28))
@portable
def ADF5356_REG3_PHASE_RESYNC_GET(reg: TInt32) -> TInt32:
return int32((reg >> 29) & 0x1)
@portable
def ADF5356_REG3_PHASE_RESYNC(x: TInt32) -> TInt32:
return int32((x & 0x1) << 29)
@portable
def ADF5356_REG3_PHASE_RESYNC_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 29)) | ((x & 0x1) << 29))
@portable
def ADF5356_REG3_PHASE_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0xffffff)
@portable
def ADF5356_REG3_PHASE_VALUE(x: TInt32) -> TInt32:
return int32((x & 0xffffff) << 4)
@portable
def ADF5356_REG3_PHASE_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xffffff << 4)) | ((x & 0xffffff) << 4))
@portable
def ADF5356_REG3_SD_LOAD_RESET_GET(reg: TInt32) -> TInt32:
return int32((reg >> 30) & 0x1)
@portable
def ADF5356_REG3_SD_LOAD_RESET(x: TInt32) -> TInt32:
return int32((x & 0x1) << 30)
@portable
def ADF5356_REG3_SD_LOAD_RESET_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 30)) | ((x & 0x1) << 30))
@portable
def ADF5356_REG4_COUNTER_RESET_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x1)
@portable
def ADF5356_REG4_COUNTER_RESET(x: TInt32) -> TInt32:
return int32((x & 0x1) << 4)
@portable
def ADF5356_REG4_COUNTER_RESET_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 4)) | ((x & 0x1) << 4))
@portable
def ADF5356_REG4_CP_THREE_STATE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 5) & 0x1)
@portable
def ADF5356_REG4_CP_THREE_STATE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 5)
@portable
def ADF5356_REG4_CP_THREE_STATE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 5)) | ((x & 0x1) << 5))
@portable
def ADF5356_REG4_CURRENT_SETTING_GET(reg: TInt32) -> TInt32:
return int32((reg >> 10) & 0xf)
@portable
def ADF5356_REG4_CURRENT_SETTING(x: TInt32) -> TInt32:
return int32((x & 0xf) << 10)
@portable
def ADF5356_REG4_CURRENT_SETTING_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xf << 10)) | ((x & 0xf) << 10))
@portable
def ADF5356_REG4_DOUBLE_BUFF_GET(reg: TInt32) -> TInt32:
return int32((reg >> 14) & 0x1)
@portable
def ADF5356_REG4_DOUBLE_BUFF(x: TInt32) -> TInt32:
return int32((x & 0x1) << 14)
@portable
def ADF5356_REG4_DOUBLE_BUFF_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 14)) | ((x & 0x1) << 14))
@portable
def ADF5356_REG4_MUX_LOGIC_GET(reg: TInt32) -> TInt32:
return int32((reg >> 8) & 0x1)
@portable
def ADF5356_REG4_MUX_LOGIC(x: TInt32) -> TInt32:
return int32((x & 0x1) << 8)
@portable
def ADF5356_REG4_MUX_LOGIC_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 8)) | ((x & 0x1) << 8))
@portable
def ADF5356_REG4_MUXOUT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 27) & 0x7)
@portable
def ADF5356_REG4_MUXOUT(x: TInt32) -> TInt32:
return int32((x & 0x7) << 27)
@portable
def ADF5356_REG4_MUXOUT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x7 << 27)) | ((x & 0x7) << 27))
@portable
def ADF5356_REG4_PD_POLARITY_GET(reg: TInt32) -> TInt32:
return int32((reg >> 7) & 0x1)
@portable
def ADF5356_REG4_PD_POLARITY(x: TInt32) -> TInt32:
return int32((x & 0x1) << 7)
@portable
def ADF5356_REG4_PD_POLARITY_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 7)) | ((x & 0x1) << 7))
@portable
def ADF5356_REG4_POWER_DOWN_GET(reg: TInt32) -> TInt32:
return int32((reg >> 6) & 0x1)
@portable
def ADF5356_REG4_POWER_DOWN(x: TInt32) -> TInt32:
return int32((x & 0x1) << 6)
@portable
def ADF5356_REG4_POWER_DOWN_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 6)) | ((x & 0x1) << 6))
@portable
def ADF5356_REG4_R_COUNTER_GET(reg: TInt32) -> TInt32:
return int32((reg >> 15) & 0x3ff)
@portable
def ADF5356_REG4_R_COUNTER(x: TInt32) -> TInt32:
return int32((x & 0x3ff) << 15)
@portable
def ADF5356_REG4_R_COUNTER_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3ff << 15)) | ((x & 0x3ff) << 15))
@portable
def ADF5356_REG4_R_DIVIDER_GET(reg: TInt32) -> TInt32:
return int32((reg >> 25) & 0x1)
@portable
def ADF5356_REG4_R_DIVIDER(x: TInt32) -> TInt32:
return int32((x & 0x1) << 25)
@portable
def ADF5356_REG4_R_DIVIDER_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 25)) | ((x & 0x1) << 25))
@portable
def ADF5356_REG4_R_DOUBLER_GET(reg: TInt32) -> TInt32:
return int32((reg >> 26) & 0x1)
@portable
def ADF5356_REG4_R_DOUBLER(x: TInt32) -> TInt32:
return int32((x & 0x1) << 26)
@portable
def ADF5356_REG4_R_DOUBLER_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 26)) | ((x & 0x1) << 26))
@portable
def ADF5356_REG4_REF_MODE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 9) & 0x1)
@portable
def ADF5356_REG4_REF_MODE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 9)
@portable
def ADF5356_REG4_REF_MODE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 9)) | ((x & 0x1) << 9))
@portable
def ADF5356_REG6_BLEED_POLARITY_GET(reg: TInt32) -> TInt32:
return int32((reg >> 31) & 0x1)
@portable
def ADF5356_REG6_BLEED_POLARITY(x: TInt32) -> TInt32:
return int32((x & 0x1) << 31)
@portable
def ADF5356_REG6_BLEED_POLARITY_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 31)) | ((x & 0x1) << 31))
@portable
def ADF5356_REG6_CP_BLEED_CURRENT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 13) & 0xff)
@portable
def ADF5356_REG6_CP_BLEED_CURRENT(x: TInt32) -> TInt32:
return int32((x & 0xff) << 13)
@portable
def ADF5356_REG6_CP_BLEED_CURRENT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xff << 13)) | ((x & 0xff) << 13))
@portable
def ADF5356_REG6_FB_SELECT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 24) & 0x1)
@portable
def ADF5356_REG6_FB_SELECT(x: TInt32) -> TInt32:
return int32((x & 0x1) << 24)
@portable
def ADF5356_REG6_FB_SELECT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 24)) | ((x & 0x1) << 24))
@portable
def ADF5356_REG6_GATE_BLEED_GET(reg: TInt32) -> TInt32:
return int32((reg >> 30) & 0x1)
@portable
def ADF5356_REG6_GATE_BLEED(x: TInt32) -> TInt32:
return int32((x & 0x1) << 30)
@portable
def ADF5356_REG6_GATE_BLEED_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 30)) | ((x & 0x1) << 30))
@portable
def ADF5356_REG6_MUTE_TILL_LD_GET(reg: TInt32) -> TInt32:
return int32((reg >> 11) & 0x1)
@portable
def ADF5356_REG6_MUTE_TILL_LD(x: TInt32) -> TInt32:
return int32((x & 0x1) << 11)
@portable
def ADF5356_REG6_MUTE_TILL_LD_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 11)) | ((x & 0x1) << 11))
@portable
def ADF5356_REG6_NEGATIVE_BLEED_GET(reg: TInt32) -> TInt32:
return int32((reg >> 29) & 0x1)
@portable
def ADF5356_REG6_NEGATIVE_BLEED(x: TInt32) -> TInt32:
return int32((x & 0x1) << 29)
@portable
def ADF5356_REG6_NEGATIVE_BLEED_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 29)) | ((x & 0x1) << 29))
@portable
def ADF5356_REG6_RF_DIVIDER_SELECT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 21) & 0x7)
@portable
def ADF5356_REG6_RF_DIVIDER_SELECT(x: TInt32) -> TInt32:
return int32((x & 0x7) << 21)
@portable
def ADF5356_REG6_RF_DIVIDER_SELECT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x7 << 21)) | ((x & 0x7) << 21))
@portable
def ADF5356_REG6_RF_OUTPUT_A_ENABLE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 6) & 0x1)
@portable
def ADF5356_REG6_RF_OUTPUT_A_ENABLE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 6)
@portable
def ADF5356_REG6_RF_OUTPUT_A_ENABLE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 6)) | ((x & 0x1) << 6))
@portable
def ADF5356_REG6_RF_OUTPUT_A_POWER_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x3)
@portable
def ADF5356_REG6_RF_OUTPUT_A_POWER(x: TInt32) -> TInt32:
return int32((x & 0x3) << 4)
@portable
def ADF5356_REG6_RF_OUTPUT_A_POWER_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3 << 4)) | ((x & 0x3) << 4))
@portable
def ADF5356_REG6_RF_OUTPUT_B_ENABLE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 10) & 0x1)
@portable
def ADF5356_REG6_RF_OUTPUT_B_ENABLE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 10)
@portable
def ADF5356_REG6_RF_OUTPUT_B_ENABLE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 10)) | ((x & 0x1) << 10))
@portable
def ADF5356_REG7_FRAC_N_LD_PRECISION_GET(reg: TInt32) -> TInt32:
return int32((reg >> 5) & 0x3)
@portable
def ADF5356_REG7_FRAC_N_LD_PRECISION(x: TInt32) -> TInt32:
return int32((x & 0x3) << 5)
@portable
def ADF5356_REG7_FRAC_N_LD_PRECISION_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3 << 5)) | ((x & 0x3) << 5))
@portable
def ADF5356_REG7_LD_CYCLE_COUNT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 8) & 0x3)
@portable
def ADF5356_REG7_LD_CYCLE_COUNT(x: TInt32) -> TInt32:
return int32((x & 0x3) << 8)
@portable
def ADF5356_REG7_LD_CYCLE_COUNT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3 << 8)) | ((x & 0x3) << 8))
@portable
def ADF5356_REG7_LD_MODE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x1)
@portable
def ADF5356_REG7_LD_MODE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 4)
@portable
def ADF5356_REG7_LD_MODE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 4)) | ((x & 0x1) << 4))
@portable
def ADF5356_REG7_LE_SEL_SYNC_EDGE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 27) & 0x1)
@portable
def ADF5356_REG7_LE_SEL_SYNC_EDGE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 27)
@portable
def ADF5356_REG7_LE_SEL_SYNC_EDGE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 27)) | ((x & 0x1) << 27))
@portable
def ADF5356_REG7_LE_SYNC_GET(reg: TInt32) -> TInt32:
return int32((reg >> 25) & 0x1)
@portable
def ADF5356_REG7_LE_SYNC(x: TInt32) -> TInt32:
return int32((x & 0x1) << 25)
@portable
def ADF5356_REG7_LE_SYNC_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 25)) | ((x & 0x1) << 25))
@portable
def ADF5356_REG7_LOL_MODE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 7) & 0x1)
@portable
def ADF5356_REG7_LOL_MODE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 7)
@portable
def ADF5356_REG7_LOL_MODE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 7)) | ((x & 0x1) << 7))
@portable
def ADF5356_REG9_AUTOCAL_TIMEOUT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 9) & 0x1f)
@portable
def ADF5356_REG9_AUTOCAL_TIMEOUT(x: TInt32) -> TInt32:
return int32((x & 0x1f) << 9)
@portable
def ADF5356_REG9_AUTOCAL_TIMEOUT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1f << 9)) | ((x & 0x1f) << 9))
@portable
def ADF5356_REG9_SYNTH_LOCK_TIMEOUT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x1f)
@portable
def ADF5356_REG9_SYNTH_LOCK_TIMEOUT(x: TInt32) -> TInt32:
return int32((x & 0x1f) << 4)
@portable
def ADF5356_REG9_SYNTH_LOCK_TIMEOUT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1f << 4)) | ((x & 0x1f) << 4))
@portable
def ADF5356_REG9_TIMEOUT_GET(reg: TInt32) -> TInt32:
return int32((reg >> 14) & 0x3ff)
@portable
def ADF5356_REG9_TIMEOUT(x: TInt32) -> TInt32:
return int32((x & 0x3ff) << 14)
@portable
def ADF5356_REG9_TIMEOUT_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3ff << 14)) | ((x & 0x3ff) << 14))
@portable
def ADF5356_REG9_VCO_BAND_DIVISION_GET(reg: TInt32) -> TInt32:
return int32((reg >> 24) & 0xff)
@portable
def ADF5356_REG9_VCO_BAND_DIVISION(x: TInt32) -> TInt32:
return int32((x & 0xff) << 24)
@portable
def ADF5356_REG9_VCO_BAND_DIVISION_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xff << 24)) | ((x & 0xff) << 24))
@portable
def ADF5356_REG10_ADC_CLK_DIV_GET(reg: TInt32) -> TInt32:
return int32((reg >> 6) & 0xff)
@portable
def ADF5356_REG10_ADC_CLK_DIV(x: TInt32) -> TInt32:
return int32((x & 0xff) << 6)
@portable
def ADF5356_REG10_ADC_CLK_DIV_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xff << 6)) | ((x & 0xff) << 6))
@portable
def ADF5356_REG10_ADC_CONV_GET(reg: TInt32) -> TInt32:
return int32((reg >> 5) & 0x1)
@portable
def ADF5356_REG10_ADC_CONV(x: TInt32) -> TInt32:
return int32((x & 0x1) << 5)
@portable
def ADF5356_REG10_ADC_CONV_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 5)) | ((x & 0x1) << 5))
@portable
def ADF5356_REG10_ADC_ENABLE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x1)
@portable
def ADF5356_REG10_ADC_ENABLE(x: TInt32) -> TInt32:
return int32((x & 0x1) << 4)
@portable
def ADF5356_REG10_ADC_ENABLE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 4)) | ((x & 0x1) << 4))
@portable
def ADF5356_REG11_VCO_BAND_HOLD_GET(reg: TInt32) -> TInt32:
return int32((reg >> 24) & 0x1)
@portable
def ADF5356_REG11_VCO_BAND_HOLD(x: TInt32) -> TInt32:
return int32((x & 0x1) << 24)
@portable
def ADF5356_REG11_VCO_BAND_HOLD_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x1 << 24)) | ((x & 0x1) << 24))
@portable
def ADF5356_REG12_PHASE_RESYNC_CLK_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 12) & 0xfffff)
@portable
def ADF5356_REG12_PHASE_RESYNC_CLK_VALUE(x: TInt32) -> TInt32:
return int32((x & 0xfffff) << 12)
@portable
def ADF5356_REG12_PHASE_RESYNC_CLK_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0xfffff << 12)) | ((x & 0xfffff) << 12))
@portable
def ADF5356_REG13_AUX_FRAC_MSB_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 18) & 0x3fff)
@portable
def ADF5356_REG13_AUX_FRAC_MSB_VALUE(x: TInt32) -> TInt32:
return int32((x & 0x3fff) << 18)
@portable
def ADF5356_REG13_AUX_FRAC_MSB_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3fff << 18)) | ((x & 0x3fff) << 18))
@portable
def ADF5356_REG13_AUX_MOD_MSB_VALUE_GET(reg: TInt32) -> TInt32:
return int32((reg >> 4) & 0x3fff)
@portable
def ADF5356_REG13_AUX_MOD_MSB_VALUE(x: TInt32) -> TInt32:
return int32((x & 0x3fff) << 4)
@portable
def ADF5356_REG13_AUX_MOD_MSB_VALUE_UPDATE(reg: TInt32, x: TInt32) -> TInt32:
return int32((reg & ~(0x3fff << 4)) | ((x & 0x3fff) << 4))
ADF5356_NUM_REGS = 14

79
artiq/coredevice/basemod_att.py Normal file
View File

@ -0,0 +1,79 @@
from artiq.language.core import kernel, portable, delay
from artiq.language.units import us, ms
from artiq.coredevice.shiftreg import ShiftReg
@portable
def to_mu(att):
return round(att*2.0) ^ 0x3f
@portable
def from_mu(att_mu):
return 0.5*(att_mu ^ 0x3f)
class BaseModAtt:
def __init__(self, dmgr, rst_n, clk, le, mosi, miso):
self.rst_n = dmgr.get(rst_n)
self.shift_reg = ShiftReg(dmgr,
clk=clk, ser=mosi, latch=le, ser_in=miso, n=8*4)
@kernel
def reset(self):
# HMC's incompetence in digital design and interfaces means that
# the HMC542 needs a level low on RST_N and then a rising edge
# on Latch Enable. Their "latch" isn't a latch but a DFF.
# Of course, it also powers up with a random attenuation, and
# that cannot be fixed with simple pull-ups/pull-downs.
self.rst_n.off()
self.shift_reg.latch.off()
delay(1*us)
self.shift_reg.latch.on()
delay(1*us)
self.shift_reg.latch.off()
self.rst_n.on()
delay(1*us)
@kernel
def set_mu(self, att0, att1, att2, att3):
"""
Sets the four attenuators on BaseMod.
The values are in half decibels, between 0 (no attenuation)
and 63 (31.5dB attenuation).
"""
word = (
(att0 << 2) |
(att1 << 10) |
(att2 << 18) |
(att3 << 26)
)
self.shift_reg.set(word)
@kernel
def get_mu(self):
"""
Retrieves the current settings of the four attenuators on BaseMod.
"""
word = self.shift_reg.get()
att0 = (word >> 2) & 0x3f
att1 = (word >> 10) & 0x3f
att2 = (word >> 18) & 0x3f
att3 = (word >> 26) & 0x3f
return att0, att1, att2, att3
@kernel
def set(self, att0, att1, att2, att3):
"""
Sets the four attenuators on BaseMod.
The values are in decibels.
"""
self.set_mu(to_mu(att0), to_mu(att1), to_mu(att2), to_mu(att3))
@kernel
def get(self):
"""
Retrieves the current settings of the four attenuators on BaseMod.
The values are in decibels.
"""
att0, att1, att2, att3 = self.get_mu()
return from_mu(att0), from_mu(att1), from_mu(att2), from_mu(att3)

128
artiq/coredevice/comm_analyzer.py
View File

@ -27,9 +27,9 @@ class ExceptionType(Enum):
legacy_o_sequence_error_reset = 0b010001
legacy_o_collision_reset = 0b010010
legacy_i_overflow_reset = 0b100000
legacy_o_sequence_error = 0b010101
o_underflow = 0b010100
o_sequence_error = 0b010101
i_overflow = 0b100001
@ -92,16 +92,16 @@ DecodedDump = namedtuple(
def decode_dump(data):
parts = struct.unpack(">IQbbb", data[:15])
(sent_bytes, total_byte_count,
overflow_occured, log_channel, dds_onehot_sel) = parts
error_occured, log_channel, dds_onehot_sel) = parts
expected_len = sent_bytes + 15
if expected_len != len(data):
raise ValueError("analyzer dump has incorrect length "
"(got {}, expected {})".format(
len(data), expected_len))
if overflow_occured:
logger.warning("analyzer FIFO overflow occured, "
"some messages have been lost")
if error_occured:
logger.warning("error occured within the analyzer, "
"data may be corrupted")
if total_byte_count > sent_bytes:
logger.info("analyzer ring buffer has wrapped %d times",
total_byte_count//sent_bytes)
@ -211,9 +211,8 @@ class TTLClockGenHandler:
class DDSHandler:
def __init__(self, vcd_manager, dds_type, onehot_sel, sysclk):
def __init__(self, vcd_manager, onehot_sel, sysclk):
self.vcd_manager = vcd_manager
self.dds_type = dds_type
self.onehot_sel = onehot_sel
self.sysclk = sysclk
@ -227,9 +226,8 @@ class DDSHandler:
self.vcd_manager.get_channel(name + "/frequency", 64)
dds_channel["vcd_phase"] = \
self.vcd_manager.get_channel(name + "/phase", 64)
if self.dds_type == "DDSChannelAD9914":
dds_channel["ftw"] = [None, None]
dds_channel["pow"] = None
dds_channel["ftw"] = [None, None]
dds_channel["pow"] = None
self.dds_channels[dds_channel_nr] = dds_channel
def _gpio_to_channels(self, gpio):
@ -252,9 +250,9 @@ class DDSHandler:
self.selected_dds_channels = self._gpio_to_channels(message.data)
for dds_channel_nr in self.selected_dds_channels:
dds_channel = self.dds_channels[dds_channel_nr]
if message.address == 0x2d:
if message.address == 0x11:
dds_channel["ftw"][0] = message.data
elif message.address == 0x2f:
elif message.address == 0x13:
dds_channel["ftw"][1] = message.data
elif message.address == 0x31:
dds_channel["pow"] = message.data
@ -273,8 +271,7 @@ class DDSHandler:
logger.debug("DDS write @%d 0x%04x to 0x%02x, selected channels: %s",
message.timestamp, message.data, message.address,
self.selected_dds_channels)
if self.dds_type == "DDSChannelAD9914":
self._decode_ad9914_write(message)
self._decode_ad9914_write(message)
class WishboneHandler:
@ -344,6 +341,56 @@ class SPIMasterHandler(WishboneHandler):
raise ValueError("bad address %d", address)
class SPIMaster2Handler(WishboneHandler):
def __init__(self, vcd_manager, name):
self._reads = []
self.channels = {}
with vcd_manager.scope("spi2/{}".format(name)):
self.stb = vcd_manager.get_channel("{}/{}".format(name, "stb"), 1)
for reg_name, reg_width in [
("flags", 8),
("length", 5),
("div", 8),
("chip_select", 8),
("write", 32),
("read", 32)]:
self.channels[reg_name] = vcd_manager.get_channel(
"{}/{}".format(name, reg_name), reg_width)
def process_message(self, message):
self.stb.set_value("1")
self.stb.set_value("0")
if isinstance(message, OutputMessage):
data = message.data
address = message.address
if address == 1:
logger.debug("SPI config @%d data=0x%08x",
message.timestamp, data)
self.channels["chip_select"].set_value(
"{:08b}".format(data >> 24))
self.channels["div"].set_value(
"{:08b}".format(data >> 16 & 0xff))
self.channels["length"].set_value(
"{:08b}".format(data >> 8 & 0x1f))
self.channels["flags"].set_value(
"{:08b}".format(data & 0xff))
elif address == 0:
logger.debug("SPI write @%d data=0x%08x",
message.timestamp, data)
self.channels["write"].set_value("{:032b}".format(data))
else:
raise ValueError("bad address", address)
# process untimed reads and insert them here
while (self._reads and
self._reads[0].rtio_counter < message.timestamp):
read = self._reads.pop(0)
logger.debug("SPI read @%d data=0x%08x",
read.rtio_counter, read.data)
self.channels["read"].set_value("{:032b}".format(read.data))
elif isinstance(message, InputMessage):
self._reads.append(message)
def _extract_log_chars(data):
r = ""
for i in range(4):
@ -395,16 +442,17 @@ def get_vcd_log_channels(log_channel, messages):
def get_single_device_argument(devices, module, cls, argument):
ref_period = None
found = None
for desc in devices.values():
if isinstance(desc, dict) and desc["type"] == "local":
if (desc["module"] == module
and desc["class"] in cls):
if ref_period is None:
ref_period = desc["arguments"][argument]
else:
return None # more than one device found
return ref_period
value = desc["arguments"][argument]
if found is None:
found = value
elif value != found:
return None # more than one value/device found
return found
def get_ref_period(devices):
@ -413,8 +461,8 @@ def get_ref_period(devices):
def get_dds_sysclk(devices):
return get_single_device_argument(devices, "artiq.coredevice.dds",
("DDSGroupAD9914",), "sysclk")
return get_single_device_argument(devices, "artiq.coredevice.ad9914",
("AD9914",), "sysclk")
def create_channel_handlers(vcd_manager, devices, ref_period,
@ -430,23 +478,20 @@ def create_channel_handlers(vcd_manager, devices, ref_period,
and desc["class"] == "TTLClockGen"):
channel = desc["arguments"]["channel"]
channel_handlers[channel] = TTLClockGenHandler(vcd_manager, name, ref_period)
if (desc["module"] == "artiq.coredevice.dds"
and desc["class"] in {"DDSChannelAD9914"}):
if (desc["module"] == "artiq.coredevice.ad9914"
and desc["class"] == "AD9914"):
dds_bus_channel = desc["arguments"]["bus_channel"]
dds_channel = desc["arguments"]["channel"]
if dds_bus_channel in channel_handlers:
dds_handler = channel_handlers[dds_bus_channel]
if dds_handler.dds_type != desc["class"]:
raise ValueError("All DDS channels must have the same type")
else:
dds_handler = DDSHandler(vcd_manager, desc["class"],
dds_onehot_sel, dds_sysclk)
dds_handler = DDSHandler(vcd_manager, dds_onehot_sel, dds_sysclk)
channel_handlers[dds_bus_channel] = dds_handler
dds_handler.add_dds_channel(name, dds_channel)
if (desc["module"] == "artiq.coredevice.spi" and
if (desc["module"] == "artiq.coredevice.spi2" and
desc["class"] == "SPIMaster"):
channel = desc["arguments"]["channel"]
channel_handlers[channel] = SPIMasterHandler(
channel_handlers[channel] = SPIMaster2Handler(
vcd_manager, name)
return channel_handlers
@ -455,11 +500,13 @@ def get_message_time(message):
return getattr(message, "timestamp", message.rtio_counter)
def decoded_dump_to_vcd(fileobj, devices, dump):
def decoded_dump_to_vcd(fileobj, devices, dump, uniform_interval=False):
vcd_manager = VCDManager(fileobj)
ref_period = get_ref_period(devices)
if ref_period is not None:
vcd_manager.set_timescale_ps(ref_period*1e12)
if not uniform_interval:
vcd_manager.set_timescale_ps(ref_period*1e12)
else:
logger.warning("unable to determine core device ref_period")
ref_period = 1e-9 # guess
@ -481,6 +528,12 @@ def decoded_dump_to_vcd(fileobj, devices, dump):
vcd_log_channels = get_vcd_log_channels(dump.log_channel, messages)
channel_handlers[dump.log_channel] = LogHandler(
vcd_manager, vcd_log_channels)
if uniform_interval:
# RTIO event timestamp in machine units
timestamp = vcd_manager.get_channel("timestamp", 64)
# RTIO time interval between this and the next timed event
# in SI seconds
interval = vcd_manager.get_channel("interval", 64)
slack = vcd_manager.get_channel("rtio_slack", 64)
vcd_manager.set_time(0)
@ -490,11 +543,18 @@ def decoded_dump_to_vcd(fileobj, devices, dump):
if start_time:
break
for message in messages:
t0 = 0
for i, message in enumerate(messages):
if message.channel in channel_handlers:
t = get_message_time(message) - start_time
if t >= 0:
vcd_manager.set_time(t)
if uniform_interval:
interval.set_value_double((t - t0)*ref_period)
vcd_manager.set_time(i)
timestamp.set_value("{:064b}".format(t))
t0 = t
else:
vcd_manager.set_time(t)
channel_handlers[message.channel].process_message(message)
if isinstance(message, OutputMessage):
slack.set_value_double(

515
artiq/coredevice/comm_kernel.py
View File

@ -1,9 +1,8 @@
import struct
import logging
import socket
import sys
import traceback
import numpy
import socket
from enum import Enum
from fractions import Fraction
from collections import namedtuple
@ -15,69 +14,39 @@ from artiq import __version__ as software_version
logger = logging.getLogger(__name__)
class _H2DMsgType(Enum):
LOG_REQUEST = 1
LOG_CLEAR = 2
LOG_FILTER = 13
class Request(Enum):
SystemInfo = 3
SYSTEM_INFO_REQUEST = 3
SWITCH_CLOCK = 4
LoadKernel = 5
RunKernel = 6
LOAD_KERNEL = 5
RUN_KERNEL = 6
RPC_REPLY = 7
RPC_EXCEPTION = 8
FLASH_READ_REQUEST = 9
FLASH_WRITE_REQUEST = 10
FLASH_ERASE_REQUEST = 11
FLASH_REMOVE_REQUEST = 12
HOTSWAP = 14
RPCReply = 7
RPCException = 8
class _D2HMsgType(Enum):
LOG_REPLY = 1
class Reply(Enum):
SystemInfo = 2
SYSTEM_INFO_REPLY = 2
CLOCK_SWITCH_COMPLETED = 3
CLOCK_SWITCH_FAILED = 4
LoadCompleted = 5
LoadFailed = 6
LOAD_COMPLETED = 5
LOAD_FAILED = 6
KernelFinished = 7
KernelStartupFailed = 8
KernelException = 9
KERNEL_FINISHED = 7
KERNEL_STARTUP_FAILED = 8
KERNEL_EXCEPTION = 9
RPCRequest = 10
RPC_REQUEST = 10
FLASH_READ_REPLY = 11
FLASH_OK_REPLY = 12
FLASH_ERROR_REPLY = 13
WATCHDOG_EXPIRED = 14
CLOCK_FAILURE = 15
HOTSWAP_IMMINENT = 16
class _LogLevel(Enum):
OFF = 0
ERROR = 1
WARN = 2
INFO = 3
DEBUG = 4
TRACE = 5
ClockFailure = 15
class UnsupportedDevice(Exception):
pass
class LoadError(Exception):
pass
class RPCReturnValueError(ValueError):
pass
@ -85,37 +54,109 @@ class RPCReturnValueError(ValueError):
RPCKeyword = namedtuple('RPCKeyword', ['name', 'value'])
def set_keepalive(sock, after_idle, interval, max_fails):
if sys.platform.startswith("linux"):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval)
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails)
elif sys.platform.startswith("win") or sys.platform.startswith("cygwin"):
# setting max_fails is not supported, typically ends up being 5 or 10
# depending on Windows version
sock.ioctl(socket.SIO_KEEPALIVE_VALS,
(1, after_idle*1000, interval*1000))
def _receive_fraction(kernel, embedding_map):
numerator = kernel._read_int64()
denominator = kernel._read_int64()
return Fraction(numerator, denominator)
def _receive_list(kernel, embedding_map):
length = kernel._read_int32()
tag = chr(kernel._read_int8())
if tag == "b":
buffer = kernel._read(length)
return list(buffer)
elif tag == "i":
buffer = kernel._read(4 * length)
return list(struct.unpack(">%sl" % length, buffer))
elif tag == "I":
buffer = kernel._read(8 * length)
return list(struct.unpack(">%sq" % length, buffer))
elif tag == "f":
buffer = kernel._read(8 * length)
return list(struct.unpack(">%sd" % length, buffer))
else:
logger.warning("TCP keepalive not supported on platform '%s', ignored",
sys.platform)
fn = receivers[tag]
elems = []
for _ in range(length):
# discard tag, as our device would still send the tag for each
# non-primitive elements.
kernel._read_int8()
item = fn(kernel, embedding_map)
elems.append(item)
return elems
def initialize_connection(host, port):
sock = socket.create_connection((host, port), 5.0)
sock.settimeout(None)
set_keepalive(sock, 3, 2, 3)
logger.debug("connected to host %s on port %d", host, port)
return sock
def _receive_array(kernel, embedding_map):
num_dims = kernel._read_int8()
shape = tuple(kernel._read_int32() for _ in range(num_dims))
tag = chr(kernel._read_int8())
fn = receivers[tag]
length = numpy.prod(shape)
if tag == "b":
buffer = kernel._read(length)
elems = numpy.ndarray((length, ), 'B', buffer)
elif tag == "i":
buffer = kernel._read(4 * length)
elems = numpy.ndarray((length, ), '>i4', buffer)
elif tag == "I":
buffer = kernel._read(8 * length)
elems = numpy.ndarray((length, ), '>i8', buffer)
elif tag == "f":
buffer = kernel._read(8 * length)
elems = numpy.ndarray((length, ), '>d', buffer)
else:
fn = receivers[tag]
elems = []
for _ in range(numpy.prod(shape)):
# discard the tag
kernel._read_int8()
item = fn(kernel, embedding_map)
elems.append(item)
elems = numpy.array(elems)
return elems.reshape(shape)
def _receive_range(kernel, embedding_map):
start = kernel._receive_rpc_value(embedding_map)
stop = kernel._receive_rpc_value(embedding_map)
step = kernel._receive_rpc_value(embedding_map)
return range(start, stop, step)
def _receive_keyword(kernel, embedding_map):
name = kernel._read_string()
value = kernel._receive_rpc_value(embedding_map)
return RPCKeyword(name, value)
receivers = {
"\x00": lambda kernel, embedding_map: kernel._rpc_sentinel,
"t": lambda kernel, embedding_map:
tuple(kernel._receive_rpc_value(embedding_map)
for _ in range(kernel._read_int8())),
"n": lambda kernel, embedding_map: None,
"b": lambda kernel, embedding_map: bool(kernel._read_int8()),
"i": lambda kernel, embedding_map: numpy.int32(kernel._read_int32()),
"I": lambda kernel, embedding_map: numpy.int64(kernel._read_int64()),
"f": lambda kernel, embedding_map: kernel._read_float64(),
"s": lambda kernel, embedding_map: kernel._read_string(),
"B": lambda kernel, embedding_map: kernel._read_bytes(),
"A": lambda kernel, embedding_map: kernel._read_bytes(),
"O": lambda kernel, embedding_map:
embedding_map.retrieve_object(kernel._read_int32()),
"F": _receive_fraction,
"l": _receive_list,
"a": _receive_array,
"r": _receive_range,
"k": _receive_keyword
}
class CommKernelDummy:
def __init__(self):
pass
def switch_clock(self, external):
pass
def load(self, kernel_library):
pass
@ -128,23 +169,31 @@ class CommKernelDummy:
def check_system_info(self):
pass
def get_log(self):
return ""
def clear_log(self):
pass
class CommKernel:
warned_of_mismatch = False
def __init__(self, host, port=1381):
self._read_type = None
self.host = host
self.port = port
self.read_buffer = bytearray()
self.write_buffer = bytearray()
self.unpack_int32 = struct.Struct(">l").unpack
self.unpack_int64 = struct.Struct(">q").unpack
self.unpack_float64 = struct.Struct(">d").unpack
self.pack_header = struct.Struct(">lB").pack
self.pack_int32 = struct.Struct(">l").pack
self.pack_int64 = struct.Struct(">q").pack
self.pack_float64 = struct.Struct(">d").pack
def open(self):
if hasattr(self, "socket"):
return
self.socket = initialize_connection(self.host, self.port)
self.socket = socket.create_connection((self.host, self.port))
logger.debug("connected to %s:%d", self.host, self.port)
self.socket.sendall(b"ARTIQ coredev\n")
def close(self):
@ -154,37 +203,39 @@ class CommKernel:
del self.socket
logger.debug("disconnected")
def read(self, length):
r = bytes()
while len(r) < length:
rn = self.socket.recv(min(8192, length - len(r)))
if not rn:
raise ConnectionResetError("Connection closed")
r += rn
return r
def write(self, data):
self.socket.sendall(data)
#
# Reader interface
#
def _read(self, length):
# cache the reads to avoid frequent call to recv
while len(self.read_buffer) < length:
# the number is just the maximum amount
# when there is not much data, it would return earlier
diff = length - len(self.read_buffer)
flag = 0
if diff > 8192:
flag |= socket.MSG_WAITALL
self.read_buffer += self.socket.recv(8192, flag)
result = self.read_buffer[:length]
self.read_buffer = self.read_buffer[length:]
return result
def _read_header(self):
self.open()
# Wait for a synchronization sequence, 5a 5a 5a 5a.
sync_count = 0
while sync_count < 4:
(sync_byte, ) = struct.unpack("B", self.read(1))
sync_byte = self._read(1)[0]
if sync_byte == 0x5a:
sync_count += 1
else:
sync_count = 0
# Read message header.
(raw_type, ) = struct.unpack("B", self.read(1))
self._read_type = _D2HMsgType(raw_type)
raw_type = self._read(1)[0]
self._read_type = Reply(raw_type)
logger.debug("receiving message: type=%r",
self._read_type)
@ -198,30 +249,26 @@ class CommKernel:
self._read_header()
self._read_expect(ty)
def _read_chunk(self, length):
return self.read(length)
def _read_int8(self):
(value, ) = struct.unpack("B", self._read_chunk(1))
return value
return self._read(1)[0]
def _read_int32(self):
(value, ) = struct.unpack(">l", self._read_chunk(4))
(value, ) = self.unpack_int32(self._read(4))
return value
def _read_int64(self):
(value, ) = struct.unpack(">q", self._read_chunk(8))
(value, ) = self.unpack_int64(self._read(8))
return value
def _read_float64(self):
(value, ) = struct.unpack(">d", self._read_chunk(8))
(value, ) = self.unpack_float64(self._read(8))
return value
def _read_bool(self):
return True if self._read_int8() else False
def _read_bytes(self):
return self._read_chunk(self._read_int32())
return self._read(self._read_int32())
def _read_string(self):
return self._read_bytes().decode("utf-8")
@ -230,38 +277,49 @@ class CommKernel:
# Writer interface
#
def _write(self, data):
self.write_buffer += data
# if the buffer is already pretty large, send it
# the block size is arbitrary, tuning it may improve performance
if len(self.write_buffer) > 4096:
self._flush()
def _flush(self):
self.socket.sendall(self.write_buffer)
self.write_buffer.clear()
def _write_header(self, ty):
self.open()
logger.debug("sending message: type=%r", ty)
# Write synchronization sequence and header.
self.write(struct.pack(">lB", 0x5a5a5a5a, ty.value))
self._write(self.pack_header(0x5a5a5a5a, ty.value))
def _write_empty(self, ty):
self._write_header(ty)
def _write_chunk(self, chunk):
self.write(chunk)
self._write(chunk)
def _write_int8(self, value):
self.write(struct.pack("B", value))
self._write(value)
def _write_int32(self, value):
self.write(struct.pack(">l", value))
self._write(self.pack_int32(value))
def _write_int64(self, value):
self.write(struct.pack(">q", value))
self._write(self.pack_int64(value))
def _write_float64(self, value):
self.write(struct.pack(">d", value))
self._write(self.pack_float64(value))
def _write_bool(self, value):
self.write(struct.pack("B", value))
self._write(b'\x01' if value else b'\x00')
def _write_bytes(self, value):
self._write_int32(len(value))
self.write(value)
self._write(value)
def _write_string(self, value):
self._write_bytes(value.encode("utf-8"))
@ -270,126 +328,53 @@ class CommKernel:
# Exported APIs
#
def reset_session(self):
self.write(struct.pack(">ll", 0x5a5a5a5a, 0))
def check_system_info(self):
self._write_empty(_H2DMsgType.SYSTEM_INFO_REQUEST)
self._write_empty(Request.SystemInfo)
self._flush()
self._read_header()
self._read_expect(_D2HMsgType.SYSTEM_INFO_REPLY)
runtime_id = self._read_chunk(4)
if runtime_id != b"AROR":
self._read_expect(Reply.SystemInfo)
runtime_id = self._read(4)
if runtime_id == b"AROR":
gateware_version = self._read_string().split(";")[0]
if gateware_version != software_version and not self.warned_of_mismatch:
logger.warning("Mismatch between gateware (%s) "
"and software (%s) versions",
gateware_version, software_version)
CommKernel.warned_of_mismatch = True
finished_cleanly = self._read_bool()
if not finished_cleanly:
logger.warning("Previous kernel did not cleanly finish")
elif runtime_id == b"ARZQ":
pass
else:
raise UnsupportedDevice("Unsupported runtime ID: {}"
.format(runtime_id))
gateware_version = self._read_string()
if gateware_version != software_version:
logger.warning("Mismatch between gateware (%s) "
"and software (%s) versions",
gateware_version, software_version)
finished_cleanly = self._read_bool()
if not finished_cleanly:
logger.warning("Previous kernel did not cleanly finish")
def switch_clock(self, external):
self._write_header(_H2DMsgType.SWITCH_CLOCK)
self._write_int8(external)
self._read_empty(_D2HMsgType.CLOCK_SWITCH_COMPLETED)
def flash_storage_read(self, key):
self._write_header(_H2DMsgType.FLASH_READ_REQUEST)
self._write_string(key)
self._read_header()
self._read_expect(_D2HMsgType.FLASH_READ_REPLY)
return self._read_string()
def flash_storage_write(self, key, value):
self._write_header(_H2DMsgType.FLASH_WRITE_REQUEST)
self._write_string(key)
self._write_bytes(value)
self._read_header()
if self._read_type == _D2HMsgType.FLASH_ERROR_REPLY:
raise IOError("Flash storage is full")
else:
self._read_expect(_D2HMsgType.FLASH_OK_REPLY)
def flash_storage_erase(self):
self._write_empty(_H2DMsgType.FLASH_ERASE_REQUEST)
self._read_empty(_D2HMsgType.FLASH_OK_REPLY)
def flash_storage_remove(self, key):
self._write_header(_H2DMsgType.FLASH_REMOVE_REQUEST)
self._write_string(key)
self._read_empty(_D2HMsgType.FLASH_OK_REPLY)
def load(self, kernel_library):
self._write_header(_H2DMsgType.LOAD_KERNEL)
self._write_header(Request.LoadKernel)
self._write_bytes(kernel_library)
self._flush()
self._read_header()
if self._read_type == _D2HMsgType.LOAD_FAILED:
if self._read_type == Reply.LoadFailed:
raise LoadError(self._read_string())
else:
self._read_expect(_D2HMsgType.LOAD_COMPLETED)
self._read_expect(Reply.LoadCompleted)
def run(self):
self._write_empty(_H2DMsgType.RUN_KERNEL)
self._write_empty(Request.RunKernel)
self._flush()
logger.debug("running kernel")
_rpc_sentinel = object()
# See session.c:{send,receive}_rpc_value and llvm_ir_generator.py:_rpc_tag.
# See rpc_proto.rs and compiler/ir.py:rpc_tag.
def _receive_rpc_value(self, embedding_map):
tag = chr(self._read_int8())
if tag == "\x00":
return self._rpc_sentinel
elif tag == "t":
length = self._read_int8()
return tuple(self._receive_rpc_value(embedding_map) for _ in range(length))
elif tag == "n":
return None
elif tag == "b":
return bool(self._read_int8())
elif tag == "i":
return numpy.int32(self._read_int32())
elif tag == "I":
return numpy.int64(self._read_int64())
elif tag == "f":
return self._read_float64()
elif tag == "F":
numerator = self._read_int64()
denominator = self._read_int64()
return Fraction(numerator, denominator)
elif tag == "s":
return self._read_string()
elif tag == "B":
return self._read_bytes()
elif tag == "A":
return self._read_bytes()
elif tag == "l":
length = self._read_int32()
return [self._receive_rpc_value(embedding_map) for _ in range(length)]
elif tag == "a":
length = self._read_int32()
return numpy.array([self._receive_rpc_value(embedding_map) for _ in range(length)])
elif tag == "r":
start = self._receive_rpc_value(embedding_map)
stop = self._receive_rpc_value(embedding_map)
step = self._receive_rpc_value(embedding_map)
return range(start, stop, step)
elif tag == "k":
name = self._read_string()
value = self._receive_rpc_value(embedding_map)
return RPCKeyword(name, value)
elif tag == "O":
return embedding_map.retrieve_object(self._read_int32())
if tag in receivers:
return receivers.get(tag)(self, embedding_map)
else:
raise IOError("Unknown RPC value tag: {}".format(repr(tag)))
@ -405,7 +390,7 @@ class CommKernel:
args.append(value)
def _skip_rpc_value(self, tags):
tag = tags.pop(0)
tag = chr(tags.pop(0))
if tag == "t":
length = tags.pop(0)
for _ in range(length):
@ -439,7 +424,7 @@ class CommKernel:
elif tag == "b":
check(isinstance(value, bool),
lambda: "bool")
self._write_int8(value)
self._write_bool(value)
elif tag == "i":
check(isinstance(value, (int, numpy.int32)) and
(-2**31 < value < 2**31-1),
@ -456,8 +441,8 @@ class CommKernel:
self._write_float64(value)
elif tag == "F":
check(isinstance(value, Fraction) and
(-2**63 < value.numerator < 2**63-1) and
(-2**63 < value.denominator < 2**63-1),
(-2**63 < value.numerator < 2**63-1) and
(-2**63 < value.denominator < 2**63-1),
lambda: "64-bit Fraction")
self._write_int64(value.numerator)
self._write_int64(value.denominator)
@ -477,9 +462,44 @@ class CommKernel:
check(isinstance(value, list),
lambda: "list")
self._write_int32(len(value))
for elt in value:
tags_copy = bytearray(tags)
self._send_rpc_value(tags_copy, elt, root, function)
tag_element = chr(tags[0])
if tag_element == "b":
self._write(bytes(value))
elif tag_element == "i":
self._write(struct.pack(">%sl" % len(value), *value))
elif tag_element == "I":
self._write(struct.pack(">%sq" % len(value), *value))
elif tag_element == "f":
self._write(struct.pack(">%sd" % len(value), *value))
else:
for elt in value:
tags_copy = bytearray(tags)
self._send_rpc_value(tags_copy, elt, root, function)
self._skip_rpc_value(tags)
elif tag == "a":
check(isinstance(value, numpy.ndarray),
lambda: "numpy.ndarray")
num_dims = tags.pop(0)
check(num_dims == len(value.shape),
lambda: "{}-dimensional numpy.ndarray".format(num_dims))
for s in value.shape:
self._write_int32(s)
tag_element = chr(tags[0])
if tag_element == "b":
self._write(value.reshape((-1,), order="C").tobytes())
elif tag_element == "i":
array = value.reshape((-1,), order="C").astype('>i4')
self._write(array.tobytes())
elif tag_element == "I":
array = value.reshape((-1,), order="C").astype('>i8')
self._write(array.tobytes())
elif tag_element == "f":
array = value.reshape((-1,), order="C").astype('>d')
self._write(array.tobytes())
else:
for elt in value.reshape((-1,), order="C"):
tags_copy = bytearray(tags)
self._send_rpc_value(tags_copy, elt, root, function)
self._skip_rpc_value(tags)
elif tag == "r":
check(isinstance(value, range),
@ -501,35 +521,39 @@ class CommKernel:
return msg
def _serve_rpc(self, embedding_map):
async = self._read_bool()
service_id = self._read_int32()
is_async = self._read_bool()
service_id = self._read_int32()
args, kwargs = self._receive_rpc_args(embedding_map)
return_tags = self._read_bytes()
return_tags = self._read_bytes()
if service_id is 0:
service = lambda obj, attr, value: setattr(obj, attr, value)
if service_id == 0:
def service(obj, attr, value): return setattr(obj, attr, value)
else:
service = embedding_map.retrieve_object(service_id)
service = embedding_map.retrieve_object(service_id)
logger.debug("rpc service: [%d]%r%s %r %r -> %s", service_id, service,
(" (async)" if async else ""), args, kwargs, return_tags)
(" (async)" if is_async else ""), args, kwargs, return_tags)
if async:
if is_async:
service(*args, **kwargs)
return
try:
result = service(*args, **kwargs)
logger.debug("rpc service: %d %r %r = %r", service_id, args, kwargs, result)
logger.debug("rpc service: %d %r %r = %r",
service_id, args, kwargs, result)
self._write_header(_H2DMsgType.RPC_REPLY)
self._write_header(Request.RPCReply)
self._write_bytes(return_tags)
self._send_rpc_value(bytearray(return_tags), result, result, service)
self._send_rpc_value(bytearray(return_tags),
result, result, service)
self._flush()
except RPCReturnValueError as exn:
raise
except Exception as exn:
logger.debug("rpc service: %d %r %r ! %r", service_id, args, kwargs, exn)
logger.debug("rpc service: %d %r %r ! %r",
service_id, args, kwargs, exn)
self._write_header(_H2DMsgType.RPC_EXCEPTION)
self._write_header(Request.RPCException)
if hasattr(exn, "artiq_core_exception"):
exn = exn.artiq_core_exception
@ -545,7 +569,7 @@ class CommKernel:
self._write_string(function)
else:
exn_type = type(exn)
if exn_type in (ZeroDivisionError, ValueError, IndexError) or \
if exn_type in (ZeroDivisionError, ValueError, IndexError, RuntimeError) or \
hasattr(exn, "artiq_builtin"):
self._write_string("0:{}".format(exn_type.__name__))
else:
@ -566,23 +590,24 @@ class CommKernel:
assert False
self._write_string(filename)
self._write_int32(line)
self._write_int32(-1) # column not known
self._write_int32(-1) # column not known
self._write_string(function)
self._flush()
def _serve_exception(self, embedding_map, symbolizer, demangler):
name = self._read_string()
message = self._read_string()
params = [self._read_int64() for _ in range(3)]
name = self._read_string()
message = self._read_string()
params = [self._read_int64() for _ in range(3)]
filename = self._read_string()
line = self._read_int32()
column = self._read_int32()
function = self._read_string()
filename = self._read_string()
line = self._read_int32()
column = self._read_int32()
function = self._read_string()
backtrace = [self._read_int32() for _ in range(self._read_int32())]
traceback = list(reversed(symbolizer(backtrace))) + \
[(filename, line, column, *demangler([function]), None)]
[(filename, line, column, *demangler([function]), None)]
core_exn = exceptions.CoreException(name, message, params, traceback)
if core_exn.id == 0:
@ -597,14 +622,12 @@ class CommKernel:
def serve(self, embedding_map, symbolizer, demangler):
while True:
self._read_header()
if self._read_type == _D2HMsgType.RPC_REQUEST:
if self._read_type == Reply.RPCRequest:
self._serve_rpc(embedding_map)
elif self._read_type == _D2HMsgType.KERNEL_EXCEPTION:
elif self._read_type == Reply.KernelException:
self._serve_exception(embedding_map, symbolizer, demangler)
elif self._read_type == _D2HMsgType.WATCHDOG_EXPIRED:
raise exceptions.WatchdogExpired
elif self._read_type == _D2HMsgType.CLOCK_FAILURE:
elif self._read_type == Reply.ClockFailure:
raise exceptions.ClockFailure
else:
self._read_expect(_D2HMsgType.KERNEL_FINISHED)
self._read_expect(Reply.KernelFinished)
return

93
artiq/coredevice/comm_mgmt.py
View File

@ -14,15 +14,32 @@ class Request(Enum):
SetLogFilter = 3
SetUartLogFilter = 6
ConfigRead = 12
ConfigWrite = 13
ConfigRemove = 14
ConfigErase = 15
StartProfiler = 9
StopProfiler = 10
GetProfile = 11
Hotswap = 4
Reboot = 5
DebugAllocator = 8
class Reply(Enum):
Success = 1
Error = 6
Unavailable = 4
LogContent = 2
ConfigData = 7
Profile = 5
RebootImminent = 3
@ -35,13 +52,6 @@ class LogLevel(Enum):
TRACE = 5
def initialize_connection(host, port):
sock = socket.create_connection((host, port), 5.0)
sock.settimeout(None)
logger.debug("connected to host %s on port %d", host, port)
return sock
class CommMgmt:
def __init__(self, host, port=1380):
self.host = host
@ -50,7 +60,8 @@ class CommMgmt:
def open(self):
if hasattr(self, "socket"):
return
self.socket = initialize_connection(self.host, self.port)
self.socket = socket.create_connection((self.host, self.port))
logger.debug("connected to %s:%d", self.host, self.port)
self.socket.sendall(b"ARTIQ management\n")
def close(self):
@ -81,6 +92,9 @@ class CommMgmt:
self._write_int32(len(value))
self._write(value)
def _write_string(self, value):
self._write_bytes(value.encode("utf-8"))
def _read(self, length):
r = bytes()
while len(r) < length:
@ -143,6 +157,66 @@ class CommMgmt:
self._write_int8(getattr(LogLevel, level).value)
self._read_expect(Reply.Success)
def config_read(self, key):
self._write_header(Request.ConfigRead)
self._write_string(key)
self._read_expect(Reply.ConfigData)
return self._read_string()
def config_write(self, key, value):
self._write_header(Request.ConfigWrite)
self._write_string(key)
self._write_bytes(value)
ty = self._read_header()
if ty == Reply.Error:
raise IOError("Flash storage is full")
elif ty != Reply.Success:
raise IOError("Incorrect reply from device: {} (expected {})".
format(ty, Reply.Success))
def config_remove(self, key):
self._write_header(Request.ConfigRemove)
self._write_string(key)
self._read_expect(Reply.Success)
def config_erase(self):
self._write_header(Request.ConfigErase)
self._read_expect(Reply.Success)
def start_profiler(self, interval, edges_size, hits_size):
self._write_header(Request.StartProfiler)
self._write_int32(interval)
self._write_int32(edges_size)
self._write_int32(hits_size)
self._read_expect(Reply.Success)
def stop_profiler(self):
self._write_header(Request.StopProfiler)
self._read_expect(Reply.Success)
def stop_profiler(self):
self._write_header(Request.StopProfiler)
self._read_expect(Reply.Success)
def get_profile(self):
self._write_header(Request.GetProfile)
self._read_expect(Reply.Profile)
hits = {}
for _ in range(self._read_int32()):
addr = self._read_int32()
count = self._read_int32()
hits[addr] = count
edges = {}
for _ in range(self._read_int32()):
caller = self._read_int32()
callee = self._read_int32()
count = self._read_int32()
edges[(caller, callee)] = count
return hits, edges
def hotswap(self, firmware):
self._write_header(Request.Hotswap)
self._write_bytes(firmware)
@ -151,3 +225,6 @@ class CommMgmt:
def reboot(self):
self._write_header(Request.Reboot)
self._read_expect(Reply.RebootImminent)
def debug_allocator(self):
self._write_header(Request.DebugAllocator)

6
artiq/coredevice/comm_moninj.py
View File

@ -51,10 +51,14 @@ class CommMonInj:
del self._reader
del self._writer
def monitor(self, enable, channel, probe):
def monitor_probe(self, enable, channel, probe):
packet = struct.pack(">bblb", 0, enable, channel, probe)
self._writer.write(packet)
def monitor_injection(self, enable, channel, overrd):
packet = struct.pack(">bblb", 3, enable, channel, overrd)
self._writer.write(packet)
def inject(self, channel, override, value):
packet = struct.pack(">blbb", 1, channel, override, value)
self._writer.write(packet)

53
artiq/coredevice/core.py
View File

@ -11,7 +11,7 @@ from artiq.language.units import *
from artiq.compiler.module import Module
from artiq.compiler.embedding import Stitcher
from artiq.compiler.targets import OR1KTarget
from artiq.compiler.targets import OR1KTarget, CortexA9Target
from artiq.coredevice.comm_kernel import CommKernel, CommKernelDummy
# Import for side effects (creating the exception classes).
@ -43,6 +43,10 @@ class CompileError(Exception):
def rtio_init() -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def rtio_get_destination_status(linkno: TInt32) -> TBool:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def rtio_get_counter() -> TInt64:
raise NotImplementedError("syscall not simulated")
@ -58,8 +62,6 @@ class Core:
clocked at 125MHz and a SERDES multiplication factor of 8, the
reference period is 1ns.
The time machine unit is equal to this period.
:param external_clock: whether the core device should switch to its
external RTIO clock input instead of using its internal oscillator.
:param ref_multiplier: ratio between the RTIO fine timestamp frequency
and the RTIO coarse timestamp frequency (e.g. SERDES multiplication
factor).
@ -67,14 +69,17 @@ class Core:
kernel_invariants = {
"core", "ref_period", "coarse_ref_period", "ref_multiplier",
"external_clock",
}
def __init__(self, dmgr, host, ref_period, external_clock=False,
ref_multiplier=8):
def __init__(self, dmgr, host, ref_period, ref_multiplier=8, target="or1k"):
self.ref_period = ref_period
self.external_clock = external_clock
self.ref_multiplier = ref_multiplier
if target == "or1k":
self.target_cls = OR1KTarget
elif target == "cortexa9":
self.target_cls = CortexA9Target
else:
raise ValueError("Unsupported target")
self.coarse_ref_period = ref_period*ref_multiplier
if host is None:
self.comm = CommKernelDummy()
@ -102,7 +107,7 @@ class Core:
module = Module(stitcher,
ref_period=self.ref_period,
attribute_writeback=attribute_writeback)
target = OR1KTarget()
target = self.target_cls()
library = target.compile_and_link([module])
stripped_library = target.strip(library)
@ -125,7 +130,6 @@ class Core:
if self.first_run:
self.comm.check_system_info()
self.comm.switch_clock(self.external_clock)
self.first_run = False
self.comm.load(kernel_library)
@ -136,7 +140,7 @@ class Core:
@portable
def seconds_to_mu(self, seconds):
"""Converts seconds to the corresponding number of machine units
"""Convert seconds to the corresponding number of machine units
(RTIO cycles).
:param seconds: time (in seconds) to convert.
@ -145,7 +149,7 @@ class Core:
@portable
def mu_to_seconds(self, mu):
"""Converts machine units (RTIO cycles) to seconds.
"""Convert machine units (RTIO cycles) to seconds.
:param mu: cycle count to convert.
"""
@ -153,8 +157,35 @@ class Core:
@kernel
def get_rtio_counter_mu(self):
"""Retrieve the current value of the hardware RTIO timeline counter.
As the timing of kernel code executed on the CPU is inherently
non-deterministic, the return value is by necessity only a lower bound
for the actual value of the hardware register at the instant when
execution resumes in the caller.
For a more detailed description of these concepts, see :doc:`/rtio`.
"""
return rtio_get_counter()
@kernel
def wait_until_mu(self, cursor_mu):
"""Block execution until the hardware RTIO counter reaches the given
value (see :meth:`get_rtio_counter_mu`).
If the hardware counter has already passed the given time, the function
returns immediately.
"""
while self.get_rtio_counter_mu() < cursor_mu:
pass
@kernel
def get_rtio_destination_status(self, destination):
"""Returns whether the specified RTIO destination is up.
This is particularly useful in startup kernels to delay
startup until certain DRTIO destinations are up."""
return rtio_get_destination_status(destination)
@kernel
def reset(self):
"""Clear RTIO FIFOs, release RTIO PHY reset, and set the time cursor

276
artiq/coredevice/dac34h84.py Normal file
View File

@ -0,0 +1,276 @@
class DAC34H84:
"""DAC34H84 settings and register map.
For possible values, documentation, and explanation, see the DAC datasheet
at https://www.ti.com/lit/pdf/slas751
"""
qmc_corr_ena = 0 # msb ab
qmc_offset_ena = 0 # msb ab
invsinc_ena = 0 # msb ab
interpolation = 1 # 2x
fifo_ena = 1
alarm_out_ena = 1
alarm_out_pol = 1
clkdiv_sync_ena = 1
iotest_ena = 0
cnt64_ena = 0
oddeven_parity = 0 # even
single_parity_ena = 1
dual_parity_ena = 0
rev_interface = 0
dac_complement = 0b0000 # msb A
alarm_fifo = 0b111 # msb 2-away
dacclkgone_ena = 1
dataclkgone_ena = 1
collisiongone_ena = 1
sif4_ena = 1
mixer_ena = 0
mixer_gain = 1
nco_ena = 0
revbus = 0
twos = 1
coarse_dac = 9 # 18.75 mA, 0-15
sif_txenable = 0
mask_alarm_from_zerochk = 0
mask_alarm_fifo_collision = 0
mask_alarm_fifo_1away = 0
mask_alarm_fifo_2away = 0
mask_alarm_dacclk_gone = 0
mask_alarm_dataclk_gone = 0
mask_alarm_output_gone = 0
mask_alarm_from_iotest = 0
mask_alarm_from_pll = 0
mask_alarm_parity = 0b0000 # msb a
qmc_offseta = 0 # 12b
fifo_offset = 2 # 0-7
qmc_offsetb = 0 # 12b
qmc_offsetc = 0 # 12b
qmc_offsetd = 0 # 12b
qmc_gaina = 0 # 11b
cmix_fs8 = 0
cmix_fs4 = 0
cmix_fs2 = 0
cmix_nfs4 = 0
qmc_gainb = 0 # 11b
qmc_gainc = 0 # 11b
output_delayab = 0b00
output_delaycd = 0b00
qmc_gaind = 0 # 11b
qmc_phaseab = 0 # 12b
qmc_phasecd = 0 # 12b
phase_offsetab = 0 # 16b
phase_offsetcd = 0 # 16b
phase_addab_lsb = 0 # 16b
phase_addab_msb = 0 # 16b
phase_addcd_lsb = 0 # 16b
phase_addcd_msb = 0 # 16b
pll_reset = 0
pll_ndivsync_ena = 1
pll_ena = 1
pll_cp = 0b01 # single charge pump
pll_p = 0b100 # p=4
pll_m2 = 1 # x2
pll_m = 8 # m = 8
pll_n = 0b0001 # n = 2
pll_vcotune = 0b01
pll_vco = 0x3f # 4 GHz
bias_sleep = 0
tsense_sleep = 0
pll_sleep = 0
clkrecv_sleep = 0
dac_sleep = 0b0000 # msb a
extref_ena = 0
fuse_sleep = 1
atest = 0b00000 # atest mode
syncsel_qmcoffsetab = 0b1001 # sif_sync and register write
syncsel_qmcoffsetcd = 0b1001 # sif_sync and register write
syncsel_qmccorrab = 0b1001 # sif_sync and register write
syncsel_qmccorrcd = 0b1001 # sif_sync and register write
syncsel_mixerab = 0b1001 # sif_sync and register write
syncsel_mixercd = 0b1001 # sif_sync and register write
syncsel_nco = 0b1000 # sif_sync
syncsel_fifo_input = 0b10 # external lvds istr
sif_sync = 1
syncsel_fifoin = 0b0010 # istr
syncsel_fifoout = 0b0100 # ostr
clkdiv_sync_sel = 0 # ostr
path_a_sel = 0
path_b_sel = 1
path_c_sel = 2
path_d_sel = 3
# swap dac pairs (CDAB) for layout
# swap I-Q dacs for spectral inversion
dac_a_sel = 3
dac_b_sel = 2
dac_c_sel = 1
dac_d_sel = 0
dac_sleep_en = 0b1111 # msb a
clkrecv_sleep_en = 1
pll_sleep_en = 1
lvds_data_sleep_en = 1
lvds_control_sleep_en = 1
temp_sense_sleep_en = 1
bias_sleep_en = 1
data_dly = 2
clk_dly = 0
ostrtodig_sel = 0
ramp_ena = 0
sifdac_ena = 0
grp_delaya = 0x00
grp_delayb = 0x00
grp_delayc = 0x00
grp_delayd = 0x00
sifdac = 0
def __init__(self, updates=None):
if updates is None:
return
for key, value in updates.items():
if not hasattr(self, key):
raise KeyError("invalid setting", key)
setattr(self, key, value)
def get_mmap(self):
mmap = []
mmap.append(
(0x00 << 16) |
(self.qmc_offset_ena << 14) | (self.qmc_corr_ena << 12) |
(self.interpolation << 8) | (self.fifo_ena << 7) |
(self.alarm_out_ena << 4) | (self.alarm_out_pol << 3) |
(self.clkdiv_sync_ena << 2) | (self.invsinc_ena << 0))
mmap.append(
(0x01 << 16) |
(self.iotest_ena << 15) | (self.cnt64_ena << 12) |
(self.oddeven_parity << 11) | (self.single_parity_ena << 10) |
(self.dual_parity_ena << 9) | (self.rev_interface << 8) |
(self.dac_complement << 4) | (self.alarm_fifo << 1))
mmap.append(
(0x02 << 16) |
(self.dacclkgone_ena << 14) | (self.dataclkgone_ena << 13) |
(self.collisiongone_ena << 12) | (self.sif4_ena << 7) |
(self.mixer_ena << 6) | (self.mixer_gain << 5) |
(self.nco_ena << 4) | (self.revbus << 3) | (self.twos << 1))
mmap.append((0x03 << 16) | (self.coarse_dac << 12) | (self.sif_txenable << 0))
mmap.append(
(0x07 << 16) |
(self.mask_alarm_from_zerochk << 15) | (1 << 14) |
(self.mask_alarm_fifo_collision << 13) |
(self.mask_alarm_fifo_1away << 12) |
(self.mask_alarm_fifo_2away << 11) |
(self.mask_alarm_dacclk_gone << 10) |
(self.mask_alarm_dataclk_gone << 9) |
(self.mask_alarm_output_gone << 8) |
(self.mask_alarm_from_iotest << 7) | (1 << 6) |
(self.mask_alarm_from_pll << 5) | (self.mask_alarm_parity << 1))
mmap.append(
(0x08 << 16) | (self.qmc_offseta << 0))
mmap.append(
(0x09 << 16) | (self.fifo_offset << 13) | (self.qmc_offsetb << 0))
mmap.append((0x0a << 16) | (self.qmc_offsetc << 0))
mmap.append((0x0b << 16) | (self.qmc_offsetd << 0))
mmap.append((0x0c << 16) | (self.qmc_gaina << 0))
mmap.append(
(0x0d << 16) |
(self.cmix_fs8 << 15) | (self.cmix_fs4 << 14) |
(self.cmix_fs2 << 12) | (self.cmix_nfs4 << 11) |
(self.qmc_gainb << 0))
mmap.append((0x0e << 16) | (self.qmc_gainc << 0))
mmap.append(
(0x0f << 16) |
(self.output_delayab << 14) | (self.output_delaycd << 12) |
(self.qmc_gaind << 0))
mmap.append((0x10 << 16) | (self.qmc_phaseab << 0))
mmap.append((0x11 << 16) | (self.qmc_phasecd << 0))
mmap.append((0x12 << 16) | (self.phase_offsetab << 0))
mmap.append((0x13 << 16) | (self.phase_offsetcd << 0))
mmap.append((0x14 << 16) | (self.phase_addab_lsb << 0))
mmap.append((0x15 << 16) | (self.phase_addab_msb << 0))
mmap.append((0x16 << 16) | (self.phase_addcd_lsb << 0))
mmap.append((0x17 << 16) | (self.phase_addcd_msb << 0))
mmap.append(
(0x18 << 16) |
(0b001 << 13) | (self.pll_reset << 12) |
(self.pll_ndivsync_ena << 11) | (self.pll_ena << 10) |
(self.pll_cp << 6) | (self.pll_p << 3))
mmap.append(
(0x19 << 16) |
(self.pll_m2 << 15) | (self.pll_m << 8) | (self.pll_n << 4) |
(self.pll_vcotune << 2))
mmap.append(
(0x1a << 16) |
(self.pll_vco << 10) | (self.bias_sleep << 7) |
(self.tsense_sleep << 6) |
(self.pll_sleep << 5) | (self.clkrecv_sleep << 4) |
(self.dac_sleep << 0))
mmap.append(
(0x1b << 16) |
(self.extref_ena << 15) | (self.fuse_sleep << 11) |
(self.atest << 0))
mmap.append(
(0x1e << 16) |
(self.syncsel_qmcoffsetab << 12) |
(self.syncsel_qmcoffsetcd << 8) |
(self.syncsel_qmccorrab << 4) |
(self.syncsel_qmccorrcd << 0))
mmap.append(
(0x1f << 16) |
(self.syncsel_mixerab << 12) | (self.syncsel_mixercd << 8) |
(self.syncsel_nco << 4) | (self.syncsel_fifo_input << 2) |
(self.sif_sync << 1))
mmap.append(
(0x20 << 16) |
(self.syncsel_fifoin << 12) | (self.syncsel_fifoout << 8) |
(self.clkdiv_sync_sel << 0))
mmap.append(
(0x22 << 16) |
(self.path_a_sel << 14) | (self.path_b_sel << 12) |
(self.path_c_sel << 10) | (self.path_d_sel << 8) |
(self.dac_a_sel << 6) | (self.dac_b_sel << 4) |
(self.dac_c_sel << 2) | (self.dac_d_sel << 0))
mmap.append(
(0x23 << 16) |
(self.dac_sleep_en << 12) | (self.clkrecv_sleep_en << 11) |
(self.pll_sleep_en << 10) | (self.lvds_data_sleep_en << 9) |
(self.lvds_control_sleep_en << 8) |
(self.temp_sense_sleep_en << 7) | (1 << 6) |
(self.bias_sleep_en << 5) | (0x1f << 0))
mmap.append(
(0x24 << 16) | (self.data_dly << 13) | (self.clk_dly << 10))
mmap.append(
(0x2d << 16) |
(self.ostrtodig_sel << 14) | (self.ramp_ena << 13) |
(0x002 << 1) | (self.sifdac_ena << 0))
mmap.append(
(0x2e << 16) | (self.grp_delaya << 8) | (self.grp_delayb << 0))
mmap.append(
(0x2f << 16) | (self.grp_delayc << 8) | (self.grp_delayd << 0))
mmap.append((0x30 << 16) | self.sifdac)
return mmap

401
artiq/coredevice/dds.py
View File

@ -1,401 +0,0 @@
"""
Drivers for direct digital synthesis (DDS) chips on RTIO.
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
from artiq.language.core import *
from artiq.language.types import *
from artiq.language.units import *
from artiq.coredevice.rtio import rtio_output
from artiq.coredevice.exceptions import DDSError
from numpy import int32, int64
_PHASE_MODE_DEFAULT = -1
PHASE_MODE_CONTINUOUS = 0
PHASE_MODE_ABSOLUTE = 1
PHASE_MODE_TRACKING = 2
class DDSParams:
def __init__(self):
self.bus_channel = 0
self.channel = 0
self.ftw = 0
self.pow = 0
self.phase_mode = 0
self.amplitude = 0
class BatchContextManager:
kernel_invariants = {"core", "core_dds", "params"}
def __init__(self, core_dds):
self.core_dds = core_dds
self.core = self.core_dds.core
self.active = False
self.params = [DDSParams() for _ in range(16)]
self.count = 0
self.ref_time = int64(0)
@kernel
def __enter__(self):
"""Starts a DDS command batch. All DDS commands are buffered
after this call, until ``batch_exit`` is called.
The time of execution of the DDS commands is the time cursor position
when the batch is entered."""
if self.active:
raise DDSError("DDS batch entered twice")
self.active = True
self.count = 0
self.ref_time = now_mu()
@kernel
def append(self, bus_channel, channel, ftw, pow, phase_mode, amplitude):
if self.count == len(self.params):
raise DDSError("Too many commands in DDS batch")
params = self.params[self.count]
params.bus_channel = bus_channel
params.channel = channel
params.ftw = ftw
params.pow = pow
params.phase_mode = phase_mode
params.amplitude = amplitude
self.count += 1
@kernel
def __exit__(self, type, value, traceback):
"""Ends a DDS command batch. All buffered DDS commands are issued
on the bus."""
if not self.active:
raise DDSError("DDS batch exited twice")
self.active = False
at_mu(self.ref_time - self.core_dds.batch_duration_mu())
for i in range(self.count):
param = self.params[i]
self.core_dds.program(self.ref_time,
param.bus_channel, param.channel, param.ftw,
param.pow, param.phase_mode, param.amplitude)
class DDSGroup:
"""Core device Direct Digital Synthesis (DDS) driver.
Gives access to the DDS functionality of the core device.
:param sysclk: DDS system frequency. The DDS system clock must be a
phase-locked multiple of the RTIO clock.
"""
kernel_invariants = {"core", "sysclk", "batch"}
def __init__(self, dmgr, sysclk, core_device="core"):
self.core = dmgr.get(core_device)
self.sysclk = sysclk
self.batch = BatchContextManager(self)
@kernel
def batch_duration_mu(self):
raise NotImplementedError
@kernel
def init(self, bus_channel, channel):
raise NotImplementedError
@kernel
def program(self, ref_time, bus_channel, channel, ftw, pow, phase_mode, amplitude):
raise NotImplementedError
@kernel
def set(self, bus_channel, channel, ftw, pow, phase_mode, amplitude):
if self.batch.active:
self.batch.append(bus_channel, channel, ftw, pow, phase_mode, amplitude)
else:
ref_time = now_mu()
at_mu(ref_time - self.program_duration_mu)
self.program(ref_time,
bus_channel, channel, ftw, pow, phase_mode, amplitude)
@portable(flags={"fast-math"})
def frequency_to_ftw(self, frequency):
"""Returns the frequency tuning word corresponding to the given
frequency.
"""
return round(float(int64(2)**32*frequency/self.sysclk))
@portable(flags={"fast-math"})
def ftw_to_frequency(self, ftw):
"""Returns the frequency corresponding to the given frequency tuning
word.
"""
return ftw*self.sysclk/int64(2)**32
@portable(flags={"fast-math"})
def turns_to_pow(self, turns):
"""Returns the phase offset word corresponding to the given phase
in turns."""
return round(float(turns*2**self.pow_width))
@portable(flags={"fast-math"})
def pow_to_turns(self, pow):
"""Returns the phase in turns corresponding to the given phase offset
word."""
return pow/2**self.pow_width
@portable(flags={"fast-math"})
def amplitude_to_asf(self, amplitude):
"""Returns amplitude scale factor corresponding to given amplitude."""
return round(float(amplitude*0x0fff))
@portable(flags={"fast-math"})
def asf_to_amplitude(self, asf):
"""Returns the amplitude corresponding to the given amplitude scale
factor."""
return asf/0x0fff
class DDSChannel:
"""Core device Direct Digital Synthesis (DDS) channel driver.
Controls one DDS channel managed directly by the core device's runtime.
This class should not be used directly, instead, use the chip-specific
drivers such as ``DDSChannelAD9914``.
The time cursor is not modified by any function in this class.
:param bus: name of the DDS bus device that this DDS is connected to.
:param channel: channel number of the DDS device to control.
"""
kernel_invariants = {
"core", "core_dds", "bus_channel", "channel",
}
def __init__(self, dmgr, bus_channel, channel, core_dds_device="core_dds"):
self.core_dds = dmgr.get(core_dds_device)
self.core = self.core_dds.core
self.bus_channel = bus_channel
self.channel = channel
self.phase_mode = PHASE_MODE_CONTINUOUS
@kernel
def init(self):
"""Resets and initializes the DDS channel.
This needs to be done for each DDS channel before it can be used, and
it is recommended to use the startup kernel for this.
This function cannot be used in a batch; the correct way of
initializing multiple DDS channels is to call this function
sequentially with a delay between the calls. 2ms provides a good
timing margin."""
self.core_dds.init(self.bus_channel, self.channel)
@kernel
def set_phase_mode(self, phase_mode):
"""Sets the phase mode of the DDS channel. Supported phase modes are:
* ``PHASE_MODE_CONTINUOUS``: the phase accumulator is unchanged when
switching frequencies. The DDS phase is the sum of the phase
accumulator and the phase offset. The only discrete jumps in the
DDS output phase come from changes to the phase offset.
* ``PHASE_MODE_ABSOLUTE``: the phase accumulator is reset when
switching frequencies. Thus, the phase of the DDS at the time of
the frequency change is equal to the phase offset.
* ``PHASE_MODE_TRACKING``: when switching frequencies, the phase
accumulator is set to the value it would have if the DDS had been
running at the specified frequency since the start of the
experiment.
"""
self.phase_mode = phase_mode
@kernel
def set_mu(self, frequency, phase=0, phase_mode=_PHASE_MODE_DEFAULT,
amplitude=0x0fff):
"""Sets the DDS channel to the specified frequency and phase.
This uses machine units (FTW and POW). The frequency tuning word width
is 32, whereas the phase offset word width depends on the type of DDS
chip and can be retrieved via the ``pow_width`` attribute. The amplitude
width is 12.
The "frequency update" pulse is sent to the DDS with a fixed latency
with respect to the current position of the time cursor.
:param frequency: frequency to generate.
:param phase: adds an offset, in turns, to the phase.
:param phase_mode: if specified, overrides the default phase mode set
by ``set_phase_mode`` for this call.
"""
if phase_mode == _PHASE_MODE_DEFAULT:
phase_mode = self.phase_mode
self.core_dds.set(self.bus_channel, self.channel, frequency, phase, phase_mode, amplitude)
@kernel
def set(self, frequency, phase=0.0, phase_mode=_PHASE_MODE_DEFAULT,
amplitude=1.0):
"""Like ``set_mu``, but uses Hz and turns."""
self.set_mu(self.core_dds.frequency_to_ftw(frequency),
self.core_dds.turns_to_pow(phase), phase_mode,
self.core_dds.amplitude_to_asf(amplitude))
AD9914_REG_CFR1L = 0x01
AD9914_REG_CFR1H = 0x03
AD9914_REG_CFR2L = 0x05
AD9914_REG_CFR2H = 0x07
AD9914_REG_CFR3L = 0x09
AD9914_REG_CFR3H = 0x0b
AD9914_REG_CFR4L = 0x0d
AD9914_REG_CFR4H = 0x0f
AD9914_REG_FTWL = 0x2d
AD9914_REG_FTWH = 0x2f
AD9914_REG_POW = 0x31
AD9914_REG_ASF = 0x33
AD9914_REG_USR0 = 0x6d
AD9914_FUD = 0x80
AD9914_GPIO = 0x81
class DDSGroupAD9914(DDSGroup):
"""Driver for AD9914 DDS chips. See ``DDSGroup`` for a description
of the functionality."""
kernel_invariants = DDSGroup.kernel_invariants.union({
"pow_width", "rtio_period_mu", "sysclk_per_mu", "write_duration_mu", "dac_cal_duration_mu",
"init_duration_mu", "init_sync_duration_mu", "program_duration_mu",
"first_dds_bus_channel", "dds_channel_count", "continuous_phase_comp"
})
pow_width = 16
def __init__(self, *args, first_dds_bus_channel, dds_bus_count, dds_channel_count, **kwargs):
super().__init__(*args, **kwargs)
self.first_dds_bus_channel = first_dds_bus_channel
self.dds_bus_count = dds_bus_count
self.dds_channel_count = dds_channel_count
self.rtio_period_mu = int64(8)
self.sysclk_per_mu = int32(self.sysclk * self.core.ref_period)
self.write_duration_mu = 5 * self.rtio_period_mu
self.dac_cal_duration_mu = 147000 * self.rtio_period_mu
self.init_duration_mu = 8 * self.write_duration_mu + self.dac_cal_duration_mu
self.init_sync_duration_mu = 16 * self.write_duration_mu + 2 * self.dac_cal_duration_mu
self.program_duration_mu = 6 * self.write_duration_mu
self.continuous_phase_comp = [0] * (self.dds_bus_count * self.dds_channel_count)
@kernel
def batch_duration_mu(self):
return self.batch.count * (self.program_duration_mu +
self.write_duration_mu) # + FUD time
@kernel
def write(self, bus_channel, addr, data):
rtio_output(now_mu(), bus_channel, addr, data)
delay_mu(self.write_duration_mu)
@kernel
def init(self, bus_channel, channel):
delay_mu(-self.init_duration_mu)
self.write(bus_channel, AD9914_GPIO, (1 << channel) << 1);
self.write(bus_channel, AD9914_REG_CFR1H, 0x0000) # Enable cosine output
self.write(bus_channel, AD9914_REG_CFR2L, 0x8900) # Enable matched latency
self.write(bus_channel, AD9914_REG_CFR2H, 0x0080) # Enable profile mode
self.write(bus_channel, AD9914_REG_ASF, 0x0fff) # Set amplitude to maximum
self.write(bus_channel, AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(bus_channel, AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
@kernel
def init_sync(self, bus_channel, channel, sync_delay):
delay_mu(-self.init_sync_duration_mu)
self.write(bus_channel, AD9914_GPIO, (1 << channel) << 1)
self.write(bus_channel, AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(bus_channel, AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
self.write(bus_channel, AD9914_REG_CFR2L, 0x8b00) # Enable matched latency and sync_out
self.write(bus_channel, AD9914_FUD, 0)
# Set cal with sync and set sync_out and sync_in delay
self.write(bus_channel, AD9914_REG_USR0, 0x0840 | (sync_delay & 0x3f))
self.write(bus_channel, AD9914_FUD, 0)
self.write(bus_channel, AD9914_REG_CFR4H, 0x0105) # Enable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
delay_mu(self.dac_cal_duration_mu)
self.write(bus_channel, AD9914_REG_CFR4H, 0x0005) # Disable DAC calibration
self.write(bus_channel, AD9914_FUD, 0)
self.write(bus_channel, AD9914_REG_CFR1H, 0x0000) # Enable cosine output
self.write(bus_channel, AD9914_REG_CFR2H, 0x0080) # Enable profile mode
self.write(bus_channel, AD9914_REG_ASF, 0x0fff) # Set amplitude to maximum
self.write(bus_channel, AD9914_FUD, 0)
@kernel
def program(self, ref_time, bus_channel, channel, ftw, pow, phase_mode, amplitude):
self.write(bus_channel, AD9914_GPIO, (1 << channel) << 1)
self.write(bus_channel, AD9914_REG_FTWL, ftw & 0xffff)
self.write(bus_channel, AD9914_REG_FTWH, (ftw >> 16) & 0xffff)
# We need the RTIO fine timestamp clock to be phase-locked
# to DDS SYSCLK, and divided by an integer self.sysclk_per_mu.
dds_bus_index = bus_channel - self.first_dds_bus_channel
phase_comp_index = dds_bus_index * self.dds_channel_count + channel
if phase_mode == PHASE_MODE_CONTINUOUS:
# Do not clear phase accumulator on FUD
# Disable autoclear phase accumulator and enables OSK.
self.write(bus_channel, AD9914_REG_CFR1L, 0x0108)
pow += self.continuous_phase_comp[phase_comp_index]
else:
# Clear phase accumulator on FUD
# Enable autoclear phase accumulator and enables OSK.
self.write(bus_channel, AD9914_REG_CFR1L, 0x2108)
fud_time = now_mu() + 2 * self.write_duration_mu
pow -= int32((ref_time - fud_time) * self.sysclk_per_mu * ftw >> (32 - self.pow_width))
if phase_mode == PHASE_MODE_TRACKING:
pow += int32(ref_time * self.sysclk_per_mu * ftw >> (32 - self.pow_width))
self.continuous_phase_comp[phase_comp_index] = pow
self.write(bus_channel, AD9914_REG_POW, pow)
self.write(bus_channel, AD9914_REG_ASF, amplitude)
self.write(bus_channel, AD9914_FUD, 0)
class DDSChannelAD9914(DDSChannel):
"""Driver for AD9914 DDS chips. See ``DDSChannel`` for a description
of the functionality."""
@kernel
def init_sync(self, sync_delay=0):
"""Resets and initializes the DDS channel as well as configures
the AD9914 DDS for synchronisation. The synchronisation procedure
follows the steps outlined in the AN-1254 application note.
This needs to be done for each DDS channel before it can be used, and
it is recommended to use the startup kernel for this.
This function cannot be used in a batch; the correct way of
initializing multiple DDS channels is to call this function
sequentially with a delay between the calls. 10ms provides a good
timing margin.
:param sync_delay: integer from 0 to 0x3f that sets the value of
SYNC_OUT (bits 3-5) and SYNC_IN (bits 0-2) delay ADJ bits.
"""
self.core_dds.init_sync(self.bus_channel, self.channel, sync_delay)

2
artiq/coredevice/dma.py
View File

@ -34,7 +34,7 @@ def dma_playback(timestamp: TInt64, ptr: TInt32) -> TNone:
class DMARecordContextManager:
"""Context manager returned by ``CoreDMA.record()``.
"""Context manager returned by :meth:`CoreDMA.record()`.
Upon entering, starts recording a DMA trace. All RTIO operations are
redirected to a newly created DMA buffer after this call, and ``now``

32
artiq/coredevice/drtio_dbg.py
View File

@ -1,32 +0,0 @@
"""
DRTIO debugging functions.
Those syscalls are intended for ARTIQ developers only.
"""
from artiq.language.core import syscall
from artiq.language.types import TTuple, TInt32, TInt64, TNone
@syscall(flags={"nounwind", "nowrite"})
def drtio_get_channel_state(channel: TInt32) -> TTuple([TInt32, TInt64]):
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def drtio_reset_channel_state(channel: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def drtio_get_fifo_space(channel: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def drtio_get_packet_counts(linkno: TInt32) -> TTuple([TInt32, TInt32]):
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def drtio_get_fifo_space_req_count(linkno: TInt32) -> TInt32:
raise NotImplementedError("syscall not simulated")

236
artiq/coredevice/edge_counter.py Normal file
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@ -0,0 +1,236 @@
"""Driver for RTIO-enabled TTL edge counter.
Like for the TTL input PHYs, sensitivity can be configured over RTIO
(``gate_rising()``, etc.). In contrast to the former, however, the count is
accumulated in gateware, and only a single input event is generated at the end
of each gate period::
with parallel:
doppler_cool()
self.pmt_counter.gate_rising(1 * ms)
with parallel:
readout()
self.pmt_counter.gate_rising(100 * us)
print("Doppler cooling counts:", self.pmt_counter.fetch_count())
print("Readout counts:", self.pmt_counter.fetch_count())
For applications where the timestamps of the individual input events are not
required, this has two advantages over ``TTLInOut.count()`` beyond raw
throughput. First, it is easy to count events during multiple separate periods
without blocking to read back counts in between, as illustrated in the above
example. Secondly, as each count total only takes up a single input event, it
is much easier to acquire counts on several channels in parallel without
risking input FIFO overflows::
# Using the TTLInOut driver, pmt_1 input events are only processed
# after pmt_0 is done counting. To avoid RTIOOverflows, a round-robin
# scheme would have to be implemented manually.
with parallel:
self.pmt_0.gate_rising(10 * ms)
self.pmt_1.gate_rising(10 * ms)
counts_0 = self.pmt_0.count(now_mu()) # blocks
counts_1 = self.pmt_1.count(now_mu())
#
# Using gateware counters, only a single input event each is
# generated, greatly reducing the load on the input FIFOs:
with parallel:
self.pmt_0_counter.gate_rising(10 * ms)
self.pmt_1_counter.gate_rising(10 * ms)
counts_0 = self.pmt_0_counter.fetch_count() # blocks
counts_1 = self.pmt_1_counter.fetch_count()
See :mod:`artiq.gateware.rtio.phy.edge_counter` and
:meth:`artiq.gateware.eem.DIO.add_std` for the gateware components.
"""
from artiq.language.core import *
from artiq.language.types import *
from artiq.coredevice.rtio import (rtio_output, rtio_input_data,
rtio_input_timestamped_data)
from numpy import int32, int64
CONFIG_COUNT_RISING = 0b0001
CONFIG_COUNT_FALLING = 0b0010
CONFIG_SEND_COUNT_EVENT = 0b0100
CONFIG_RESET_TO_ZERO = 0b1000
class CounterOverflow(Exception):
"""Raised when an edge counter value is read which indicates that the
counter might have overflowed."""
pass
class EdgeCounter:
"""RTIO TTL edge counter driver driver.
Like for regular TTL inputs, timeline periods where the counter is
sensitive to a chosen set of input transitions can be specified. Unlike the
former, however, the specified edges do not create individual input events;
rather, the total count can be requested as a single input event from the
core (typically at the end of the gate window).
:param channel: The RTIO channel of the gateware phy.
:param gateware_width: The width of the gateware counter register, in
bits. This is only used for overflow handling; to change the size,
the gateware needs to be rebuilt.
"""
kernel_invariants = {"core", "channel", "counter_max"}
def __init__(self, dmgr, channel, gateware_width=31, core_device="core"):
self.core = dmgr.get(core_device)
self.channel = channel
self.counter_max = (1 << (gateware_width - 1)) - 1
@kernel
def gate_rising(self, duration):
"""Count rising edges for the given duration and request the total at
the end.
The counter is reset at the beginning of the gate period. Use
:meth:`set_config` directly for more detailed control.
:param duration: The duration for which the gate is to stay open.
:return: The timestamp at the end of the gate period, in machine units.
"""
return self.gate_rising_mu(self.core.seconds_to_mu(duration))
@kernel
def gate_falling(self, duration):
"""Count falling edges for the given duration and request the total at
the end.
The counter is reset at the beginning of the gate period. Use
:meth:`set_config` directly for more detailed control.
:param duration: The duration for which the gate is to stay open.
:return: The timestamp at the end of the gate period, in machine units.
"""
return self.gate_falling_mu(self.core.seconds_to_mu(duration))
@kernel
def gate_both(self, duration):
"""Count both rising and falling edges for the given duration, and
request the total at the end.
The counter is reset at the beginning of the gate period. Use
:meth:`set_config` directly for more detailed control.
:param duration: The duration for which the gate is to stay open.
:return: The timestamp at the end of the gate period, in machine units.
"""
return self.gate_both_mu(self.core.seconds_to_mu(duration))
@kernel
def gate_rising_mu(self, duration_mu):
"""See :meth:`gate_rising`."""
return self._gate_mu(
duration_mu, count_rising=True, count_falling=False)
@kernel
def gate_falling_mu(self, duration_mu):
"""See :meth:`gate_falling`."""
return self._gate_mu(
duration_mu, count_rising=False, count_falling=True)
@kernel
def gate_both_mu(self, duration_mu):
"""See :meth:`gate_both_mu`."""
return self._gate_mu(
duration_mu, count_rising=True, count_falling=True)
@kernel
def _gate_mu(self, duration_mu, count_rising, count_falling):
self.set_config(
count_rising=count_rising,
count_falling=count_falling,
send_count_event=False,
reset_to_zero=True)
delay_mu(duration_mu)
self.set_config(
count_rising=False,
count_falling=False,
send_count_event=True,
reset_to_zero=False)
return now_mu()
@kernel
def set_config(self, count_rising: TBool, count_falling: TBool,
send_count_event: TBool, reset_to_zero: TBool):
"""Emit an RTIO event at the current timeline position to set the
gateware configuration.
For most use cases, the `gate_*` wrappers will be more convenient.
:param count_rising: Whether to count rising signal edges.
:param count_falling: Whether to count falling signal edges.
:param send_count_event: If `True`, an input event with the current
counter value is generated on the next clock cycle (once).
:param reset_to_zero: If `True`, the counter value is reset to zero on
the next clock cycle (once).
"""
config = int32(0)
if count_rising:
config |= CONFIG_COUNT_RISING
if count_falling:
config |= CONFIG_COUNT_FALLING
if send_count_event:
config |= CONFIG_SEND_COUNT_EVENT
if reset_to_zero:
config |= CONFIG_RESET_TO_ZERO
rtio_output(self.channel << 8, config)
@kernel
def fetch_count(self) -> TInt32:
"""Wait for and return count total from previously requested input
event.
It is valid to trigger multiple gate periods without immediately
reading back the count total; the results will be returned in order on
subsequent fetch calls.
This function blocks until a result becomes available.
"""
count = rtio_input_data(self.channel)
if count == self.counter_max:
raise CounterOverflow(
"Input edge counter overflow on RTIO channel {0}",
int64(self.channel))
return count
@kernel
def fetch_timestamped_count(
self, timeout_mu=int64(-1)) -> TTuple([TInt64, TInt32]):
"""Wait for and return the timestamp and count total of a previously
requested input event.
It is valid to trigger multiple gate periods without immediately
reading back the count total; the results will be returned in order on
subsequent fetch calls.
This function blocks until a result becomes available or the given
timeout elapses.
:return: A tuple of timestamp (-1 if timeout elapsed) and counter
value. (The timestamp is that of the requested input event –
typically the gate closing time – and not that of any input edges.)
"""
timestamp, count = rtio_input_timestamped_data(timeout_mu,
self.channel)
if count == self.counter_max:
raise CounterOverflow(
"Input edge counter overflow on RTIO channel {0}",
int64(self.channel))
return timestamp, count

31
artiq/coredevice/exceptions.py
View File

@ -10,6 +10,8 @@ from artiq.coredevice.runtime import source_loader
ZeroDivisionError = builtins.ZeroDivisionError
ValueError = builtins.ValueError
IndexError = builtins.IndexError
RuntimeError = builtins.RuntimeError
AssertionError = builtins.AssertionError
class CoreException:
@ -71,20 +73,13 @@ class CacheError(Exception):
class RTIOUnderflow(Exception):
"""Raised when the CPU fails to submit a RTIO event early enough
(with respect to the event's timestamp).
"""Raised when the CPU or DMA core fails to submit a RTIO event early
enough (with respect to the event's timestamp).
The offending event is discarded and the RTIO core keeps operating.
"""
artiq_builtin = True
class RTIOSequenceError(Exception):
"""Raised when an event is submitted on a given channel with a timestamp
not larger than the previous one.
The offending event is discarded and the RTIO core keeps operating.
"""
artiq_builtin = True
class RTIOOverflow(Exception):
"""Raised when at least one event could not be registered into the RTIO
@ -96,26 +91,28 @@ class RTIOOverflow(Exception):
"""
artiq_builtin = True
class RTIODestinationUnreachable(Exception):
"""Raised with a RTIO operation could not be completed due to a DRTIO link
being down.
"""
artiq_builtin = True
class DMAError(Exception):
"""Raised when performing an invalid DMA operation."""
artiq_builtin = True
class DDSError(Exception):
"""Raised when attempting to start a DDS batch while already in a batch,
when too many commands are batched, and when DDS channel settings are
incorrect.
"""
class WatchdogExpired(Exception):
"""Raised when a watchdog expires."""
class ClockFailure(Exception):
"""Raised when RTIO PLL has lost lock."""
class I2CError(Exception):
"""Raised when a I2C transaction fails."""
pass
class SPIError(Exception):
"""Raised when a SPI transaction fails."""
pass

192
artiq/coredevice/fastino.py Normal file
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@ -0,0 +1,192 @@
"""RTIO driver for the Fastino 32channel, 16 bit, 2.5 MS/s per channel,
streaming DAC.
"""
from artiq.language.core import kernel, portable, delay
from artiq.coredevice.rtio import (rtio_output, rtio_output_wide,
rtio_input_data)
from artiq.language.units import us
from artiq.language.types import TInt32, TList
class Fastino:
"""Fastino 32-channel, 16-bit, 2.5 MS/s per channel streaming DAC
The RTIO PHY supports staging DAC data before transmitting them by writing
to the DAC RTIO addresses, if a channel is not "held" by setting its bit
using :meth:`set_hold`, the next frame will contain the update. For the
DACs held, the update is triggered explicitly by setting the corresponding
bit using :meth:`set_update`. Update is self-clearing. This enables atomic
DAC updates synchronized to a frame edge.
The `log2_width=0` RTIO layout uses one DAC channel per RTIO address and a
dense RTIO address space. The RTIO words are narrow. (32 bit) and
few-channel updates are efficient. There is the least amount of DAC state
tracking in kernels, at the cost of more DMA and RTIO data.
The setting here and in the RTIO PHY (gateware) must match.
Other `log2_width` (up to `log2_width=5`) settings pack multiple
(in powers of two) DAC channels into one group and into one RTIO write.
The RTIO data width increases accordingly. The `log2_width`
LSBs of the RTIO address for a DAC channel write must be zero and the
address space is sparse. For `log2_width=5` the RTIO data is 512 bit wide.
If `log2_width` is zero, the :meth:`set_dac`/:meth:`set_dac_mu` interface
must be used. If non-zero, the :meth:`set_group`/:meth:`set_group_mu`
interface must be used.
:param channel: RTIO channel number
:param core_device: Core device name (default: "core")
:param log2_width: Width of DAC channel group (logarithm base 2).
Value must match the corresponding value in the RTIO PHY (gateware).
"""
kernel_invariants = {"core", "channel", "width"}
def __init__(self, dmgr, channel, core_device="core", log2_width=0):
self.channel = channel << 8
self.core = dmgr.get(core_device)
self.width = 1 << log2_width
@kernel
def init(self):
"""Initialize the device.
This clears reset, unsets DAC_CLR, enables AFE_PWR,
clears error counters, then enables error counting
"""
self.set_cfg(reset=0, afe_power_down=0, dac_clr=0, clr_err=1)
delay(1*us)
self.set_cfg(reset=0, afe_power_down=0, dac_clr=0, clr_err=0)
delay(1*us)
@kernel
def write(self, addr, data):
"""Write data to a Fastino register.
:param addr: Address to write to.
:param data: Data to write.
"""
rtio_output(self.channel | addr, data)
@kernel
def read(self, addr):
"""Read from Fastino register.
TODO: untested
:param addr: Address to read from.
:return: The data read.
"""
rtio_output(self.channel | addr | 0x80)
return rtio_input_data(self.channel >> 8)
@kernel
def set_dac_mu(self, dac, data):
"""Write DAC data in machine units.
:param dac: DAC channel to write to (0-31).
:param data: DAC word to write, 16 bit unsigned integer, in machine
units.
"""
self.write(dac, data)
@kernel
def set_group_mu(self, dac: TInt32, data: TList(TInt32)):
"""Write a group of DAC channels in machine units.
:param dac: First channel in DAC channel group (0-31). The `log2_width`
LSBs must be zero.
:param data: List of DAC data pairs (2x16 bit unsigned) to write,
in machine units. Data exceeding group size is ignored.
If the list length is less than group size, the remaining
DAC channels within the group are cleared to 0 (machine units).
"""
if dac & (self.width - 1):
raise ValueError("Group index LSBs must be zero")
rtio_output_wide(self.channel | dac, data)
@portable
def voltage_to_mu(self, voltage):
"""Convert SI Volts to DAC machine units.
:param voltage: Voltage in SI Volts.
:return: DAC data word in machine units, 16 bit integer.
"""
data = int(round((0x8000/10.)*voltage)) + 0x8000
if data < 0 or data > 0xffff:
raise ValueError("DAC voltage out of bounds")
return data
@portable
def voltage_group_to_mu(self, voltage, data):
"""Convert SI Volts to packed DAC channel group machine units.
:param voltage: List of SI Volt voltages.
:param data: List of DAC channel data pairs to write to.
Half the length of `voltage`.
"""
for i in range(len(voltage)):
v = self.voltage_to_mu(voltage[i])
if i & 1:
v = data[i // 2] | (v << 16)
data[i // 2] = v
@kernel
def set_dac(self, dac, voltage):
"""Set DAC data to given voltage.
:param dac: DAC channel (0-31).
:param voltage: Desired output voltage.
"""
self.write(dac, self.voltage_to_mu(voltage))
@kernel
def set_group(self, dac, voltage):
"""Set DAC group data to given voltage.
:param dac: DAC channel (0-31).
:param voltage: Desired output voltage.
"""
data = [int32(0)] * (len(voltage) // 2)
self.voltage_group_to_mu(voltage, data)
self.set_group_mu(dac, data)
@kernel
def update(self, update):
"""Schedule channels for update.
:param update: Bit mask of channels to update (32 bit).
"""
self.write(0x20, update)
@kernel
def set_hold(self, hold):
"""Set channels to manual update.
:param hold: Bit mask of channels to hold (32 bit).
"""
self.write(0x21, hold)
@kernel
def set_cfg(self, reset=0, afe_power_down=0, dac_clr=0, clr_err=0):
"""Set configuration bits.
:param reset: Reset SPI PLL and SPI clock domain.
:param afe_power_down: Disable AFE power.
:param dac_clr: Assert all 32 DAC_CLR signals setting all DACs to
mid-scale (0 V).
:param clr_err: Clear error counters and PLL reset indicator.
This clears the sticky red error LED. Must be cleared to enable
error counting.
"""
self.write(0x22, (reset << 0) | (afe_power_down << 1) |
(dac_clr << 2) | (clr_err << 3))
@kernel
def set_leds(self, leds):
"""Set the green user-defined LEDs
:param leds: LED status, 8 bit integer each bit corresponding to one
green LED.
"""
self.write(0x23, leds)

51
artiq/coredevice/fmcdio_vhdci_eem.py Normal file
View File

@ -0,0 +1,51 @@
# Definitions for using the "FMC DIO 32ch LVDS a" card with the VHDCI-EEM breakout v1.1
eem_fmc_connections = {
0: [0, 8, 2, 3, 4, 5, 6, 7],
1: [1, 9, 10, 11, 12, 13, 14, 15],
2: [17, 16, 24, 19, 20, 21, 22, 23],
3: [18, 25, 26, 27, 28, 29, 30, 31],
}
def shiftreg_bits(eem, out_pins):
"""
Returns the bits that have to be set in the FMC card direction
shift register for the given EEM.
Takes a set of pin numbers (0-7) at the EEM. Return values
of this function for different EEMs should be ORed together.
"""
r = 0
for i in range(8):
if i not in out_pins:
lvds_line = eem_fmc_connections[eem][i]
# lines are swapped in pairs to ease PCB routing
# at the shift register
shift = lvds_line ^ 1
r |= 1 << shift
return r
dio_bank0_out_pins = set(range(4))
dio_bank1_out_pins = set(range(4, 8))
urukul_out_pins = {
0, # clk
1, # mosi
3, 4, 5, # cs_n
6, # io_update
7, # dds_reset
}
urukul_aux_out_pins = {
4, # sw0
5, # sw1
6, # sw2
7, # sw3
}
zotino_out_pins = {
0, # clk
1, # mosi
3, 4, # cs_n
5, # ldac_n
7, # clr_n
}

105
artiq/coredevice/grabber.py Normal file
View File

@ -0,0 +1,105 @@
from numpy import int32, int64
from artiq.language.core import *
from artiq.language.types import *
from artiq.coredevice.rtio import rtio_output, rtio_input_data
class OutOfSyncException(Exception):
"""Raised when an incorrect number of ROI engine outputs has been
retrieved from the RTIO input FIFO."""
pass
class Grabber:
"""Driver for the Grabber camera interface."""
kernel_invariants = {"core", "channel_base", "sentinel"}
def __init__(self, dmgr, channel_base, res_width=12, count_shift=0,
core_device="core"):
self.core = dmgr.get(core_device)
self.channel_base = channel_base
count_width = min(31, 2*res_width + 16 - count_shift)
# This value is inserted by the gateware to mark the start of a series of
# ROI engine outputs for one video frame.
self.sentinel = int32(int64(2**count_width))
@kernel
def setup_roi(self, n, x0, y0, x1, y1):
"""
Defines the coordinates of a ROI.
The coordinates are set around the current position of the RTIO time
cursor.
The user must keep the ROI engine disabled for the duration of more
than one video frame after calling this function, as the output
generated for that video frame is undefined.
Advances the timeline by 4 coarse RTIO cycles.
"""
c = int64(self.core.ref_multiplier)
rtio_output((self.channel_base << 8) | (4*n+0), x0)
delay_mu(c)
rtio_output((self.channel_base << 8) | (4*n+1), y0)
delay_mu(c)
rtio_output((self.channel_base << 8) | (4*n+2), x1)
delay_mu(c)
rtio_output((self.channel_base << 8) | (4*n+3), y1)
delay_mu(c)
@kernel
def gate_roi(self, mask):
"""
Defines which ROI engines produce input events.
At the end of each video frame, the output from each ROI engine that
has been enabled by the mask is enqueued into the RTIO input FIFO.
This function sets the mask at the current position of the RTIO time
cursor.
Setting the mask using this function is atomic; in other words,
if the system is in the middle of processing a frame and the mask
is changed, the processing will complete using the value of the mask
that it started with.
:param mask: bitmask enabling or disabling each ROI engine.
"""
rtio_output((self.channel_base + 1) << 8, mask)
@kernel
def gate_roi_pulse(self, mask, dt):
"""Sets a temporary mask for the specified duration (in seconds), before
disabling all ROI engines."""
self.gate_roi(mask)
delay(dt)
self.gate_roi(0)
@kernel
def input_mu(self, data):
"""
Retrieves the accumulated values for one frame from the ROI engines.
Blocks until values are available.
The input list must be a list of integers of the same length as there
are enabled ROI engines. This method replaces the elements of the
input list with the outputs of the enabled ROI engines, sorted by
number.
If the number of elements in the list does not match the number of
ROI engines that produced output, an exception will be raised during
this call or the next.
"""
channel = self.channel_base + 1
sentinel = rtio_input_data(channel)
if sentinel != self.sentinel:
raise OutOfSyncException
for i in range(len(data)):
roi_output = rtio_input_data(channel)
if roi_output == self.sentinel:
raise OutOfSyncException
data[i] = roi_output

152
artiq/coredevice/i2c.py
View File

@ -33,6 +33,110 @@ def i2c_read(busno: TInt32, ack: TBool) -> TInt32:
raise NotImplementedError("syscall not simulated")
@kernel
def i2c_poll(busno, busaddr):
"""Poll I2C device at address.
:param busno: I2C bus number
:param busaddr: 8 bit I2C device address (LSB=0)
:returns: True if the poll was ACKed
"""
i2c_start(busno)
ack = i2c_write(busno, busaddr)
i2c_stop(busno)
return ack
@kernel
def i2c_write_byte(busno, busaddr, data, ack=True):
"""Write one byte to a device.
:param busno: I2C bus number
:param busaddr: 8 bit I2C device address (LSB=0)
:param data: Data byte to be written
:param nack: Allow NACK
"""
i2c_start(busno)
try:
if not i2c_write(busno, busaddr):
raise I2CError("failed to ack bus address")
if not i2c_write(busno, data) and ack:
raise I2CError("failed to ack write data")
finally:
i2c_stop(busno)
@kernel
def i2c_read_byte(busno, busaddr):
"""Read one byte from a device.
:param busno: I2C bus number
:param busaddr: 8 bit I2C device address (LSB=0)
:returns: Byte read
"""
i2c_start(busno)
data = 0
try:
if not i2c_write(busno, busaddr | 1):
raise I2CError("failed to ack bus read address")
data = i2c_read(busno, ack=False)
finally:
i2c_stop(busno)
return data
@kernel
def i2c_write_many(busno, busaddr, addr, data, ack_last=True):
"""Transfer multiple bytes to a device.
:param busno: I2c bus number
:param busaddr: 8 bit I2C device address (LSB=0)
:param addr: 8 bit data address
:param data: Data bytes to be written
:param ack_last: Expect I2C ACK of the last byte written. If `False`,
the last byte may be NACKed (e.g. EEPROM full page writes).
"""
n = len(data)
i2c_start(busno)
try:
if not i2c_write(busno, busaddr):
raise I2CError("failed to ack bus address")
if not i2c_write(busno, addr):
raise I2CError("failed to ack data address")
for i in range(n):
if not i2c_write(busno, data[i]) and (
i < n - 1 or ack_last):
raise I2CError("failed to ack write data")
finally:
i2c_stop(busno)
@kernel
def i2c_read_many(busno, busaddr, addr, data):
"""Transfer multiple bytes from a device.
:param busno: I2c bus number
:param busaddr: 8 bit I2C device address (LSB=0)
:param addr: 8 bit data address
:param data: List of integers to be filled with the data read.
One entry ber byte.
"""
m = len(data)
i2c_start(busno)
try:
if not i2c_write(busno, busaddr):
raise I2CError("failed to ack bus address")
if not i2c_write(busno, addr):
raise I2CError("failed to ack data address")
i2c_restart(busno)
if not i2c_write(busno, busaddr | 1):
raise I2CError("failed to ack bus read address")
for i in range(m):
data[i] = i2c_read(busno, ack=i < m - 1)
finally:
i2c_stop(busno)
class PCA9548:
"""Driver for the PCA9548 I2C bus switch.
@ -48,34 +152,24 @@ class PCA9548:
self.address = address
@kernel
def set(self, channel):
"""Select one channel.
def select(self, mask):
"""Enable/disable channels.
Selecting multiple channels at the same time is not supported by this
driver.
:param mask: Bit mask of enabled channels
"""
i2c_write_byte(self.busno, self.address, mask)
@kernel
def set(self, channel):
"""Enable one channel.
:param channel: channel number (0-7)
"""
i2c_start(self.busno)
try:
if not i2c_write(self.busno, self.address):
raise I2CError("PCA9548 failed to ack address")
if not i2c_write(self.busno, 1 << channel):
raise I2CError("PCA9548 failed to ack control word")
finally:
i2c_stop(self.busno)
self.select(1 << channel)
@kernel
def readback(self):
i2c_start(self.busno)
r = 0
try:
if not i2c_write(self.busno, self.address | 1):
raise I2CError("PCA9548 failed to ack address")
r = i2c_read(self.busno, False)
finally:
i2c_stop(self.busno)
return r
return i2c_read_byte(self.busno, self.address)
class TCA6424A:
@ -92,19 +186,9 @@ class TCA6424A:
self.address = address
@kernel
def _write24(self, command, value):
i2c_start(self.busno)
try:
if not i2c_write(self.busno, self.address):
raise I2CError("TCA6424A failed to ack address")
if not i2c_write(self.busno, command):
raise I2CError("TCA6424A failed to ack command")
for i in range(3):
if not i2c_write(self.busno, value >> 16):
raise I2CError("TCA6424A failed to ack data")
value <<= 8
finally:
i2c_stop(self.busno)
def _write24(self, addr, value):
i2c_write_many(self.busno, self.address, addr,
[value >> 16, value >> 8, value])
@kernel
def set(self, outputs):

73
artiq/coredevice/kasli_i2c.py Normal file
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@ -0,0 +1,73 @@
from numpy import int32
from artiq.experiment import *
from artiq.coredevice.i2c import i2c_write_many, i2c_read_many, i2c_poll
port_mapping = {
"EEM0": 7,
"EEM1": 5,
"EEM2": 4,
"EEM3": 3,
"EEM4": 2,
"EEM5": 1,
"EEM6": 0,
"EEM7": 6,
"EEM8": 12,
"EEM9": 13,
"EEM10": 15,
"EEM11": 14,
"SFP0": 8,
"SFP1": 9,
"SFP2": 10,
"LOC0": 11,
}
class KasliEEPROM:
def __init__(self, dmgr, port, busno=0,
core_device="core", sw0_device="i2c_switch0", sw1_device="i2c_switch1"):
self.core = dmgr.get(core_device)
self.sw0 = dmgr.get(sw0_device)
self.sw1 = dmgr.get(sw1_device)
self.busno = busno
self.port = port_mapping[port]
self.address = 0xa0 # i2c 8 bit
@kernel
def select(self):
mask = 1 << self.port
self.sw0.select(mask)
self.sw1.select(mask >> 8)
@kernel
def deselect(self):
self.sw0.select(0)
self.sw1.select(0)
@kernel
def write_i32(self, addr, value):
self.select()
try:
data = [0]*4
for i in range(4):
data[i] = (value >> 24) & 0xff
value <<= 8
i2c_write_many(self.busno, self.address, addr, data)
i2c_poll(self.busno, self.address)
finally:
self.deselect()
@kernel
def read_i32(self, addr):
self.select()
try:
data = [0]*4
i2c_read_many(self.busno, self.address, addr, data)
value = int32(0)
for i in range(4):
value <<= 8
value |= data[i]
finally:
self.deselect()
return value

110
artiq/coredevice/mirny.py Normal file
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@ -0,0 +1,110 @@
"""RTIO driver for Mirny (4 channel GHz PLLs)
"""
from artiq.language.core import kernel, delay
from artiq.language.units import us
from numpy import int32
from artiq.coredevice import spi2 as spi
SPI_CONFIG = (
0 * spi.SPI_OFFLINE
| 0 * spi.SPI_END
| 0 * spi.SPI_INPUT
| 1 * spi.SPI_CS_POLARITY
| 0 * spi.SPI_CLK_POLARITY
| 0 * spi.SPI_CLK_PHASE
| 0 * spi.SPI_LSB_FIRST
| 0 * spi.SPI_HALF_DUPLEX
)
# SPI clock write and read dividers
SPIT_WR = 4
SPIT_RD = 16
SPI_CS = 1
WE = 1 << 24
class Mirny:
"""
Mirny PLL-based RF generator.
:param spi_device: SPI bus device
:param refclk: Reference clock (SMA, MMCX or on-board 100 MHz oscillator)
frequency in Hz
:param clk_sel: Reference clock selection.
valid options are: 0 - internal 100MHz XO; 1 - front-panel SMA; 2 -
internal MMCX
:param core_device: Core device name (default: "core")
"""
kernel_invariants = {"bus", "core"}
def __init__(self, dmgr, spi_device, refclk=100e6, clk_sel=0, core_device="core"):
self.core = dmgr.get(core_device)
self.bus = dmgr.get(spi_device)
self.refclk = refclk
assert 10 <= self.refclk / 1e6 <= 600, "Invalid refclk"
self.clk_sel = clk_sel & 0b11
assert 0 <= self.clk_sel <= 3, "Invalid clk_sel"
# TODO: support clk_div on v1.0 boards
@kernel
def read_reg(self, addr):
"""Read a register"""
self.bus.set_config_mu(
SPI_CONFIG | spi.SPI_INPUT | spi.SPI_END, 24, SPIT_RD, SPI_CS
)
self.bus.write((addr << 25))
return self.bus.read() & int32(0xFFFF)
@kernel
def write_reg(self, addr, data):
"""Write a register"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, 24, SPIT_WR, SPI_CS)
self.bus.write((addr << 25) | WE | ((data & 0xFFFF) << 8))
@kernel
def init(self, blind=False):
"""
Initialize and detect Mirny.
:param blind: Do not attempt to verify presence and compatibility.
"""
if not blind:
reg0 = self.read_reg(0)
if reg0 & 0b11 != 0b11:
raise ValueError("Mirny HW_REV mismatch")
if (reg0 >> 2) & 0b11 != 0b00:
raise ValueError("Mirny PROTO_REV mismatch")
delay(100 * us) # slack
# select clock source
self.write_reg(1, (self.clk_sel << 4))
delay(1000 * us)
@kernel
def set_att_mu(self, channel, att):
"""Set digital step attenuator in machine units.
:param att: Attenuation setting, 8 bit digital.
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, 16, SPIT_WR, SPI_CS)
self.bus.write(((channel | 8) << 25) | (att << 16))
@kernel
def write_ext(self, addr, length, data):
"""Perform SPI write to a prefixed address"""
self.bus.set_config_mu(SPI_CONFIG, 8, SPIT_WR, SPI_CS)
self.bus.write(addr << 25)
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, length, SPIT_WR, SPI_CS)
if length < 32:
data <<= 32 - length
self.bus.write(data)

174
artiq/coredevice/novogorny.py Normal file
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@ -0,0 +1,174 @@
from artiq.language.core import kernel, delay, portable
from artiq.language.units import ns
from artiq.coredevice import spi2 as spi
SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
SPI_CS_ADC = 1
SPI_CS_SR = 2
@portable
def adc_ctrl(channel=1, softspan=0b111, valid=1):
"""Build a LTC2335-16 control word"""
return (valid << 7) | (channel << 3) | softspan
@portable
def adc_softspan(data):
"""Return the softspan configuration index from a result packet"""
return data & 0x7
@portable
def adc_channel(data):
"""Return the channel index from a result packet"""
return (data >> 3) & 0x7
@portable
def adc_data(data):
"""Return the ADC value from a result packet"""
return (data >> 8) & 0xffff
@portable
def adc_value(data, v_ref=5.):
"""Convert a ADC result packet to SI units (Volt)"""
softspan = adc_softspan(data)
data = adc_data(data)
g = 625
if softspan & 4:
g *= 2
if softspan & 2:
h = 1 << 15
else:
h = 1 << 16
data = -(data & h) + (data & ~h)
if softspan & 1:
h *= 500
else:
h *= 512
v_per_lsb = v_ref*g/h
return data*v_per_lsb
class Novogorny:
"""Novogorny ADC.
Controls the LTC2335-16 8 channel ADC with SPI interface and
the switchable gain instrumentation amplifiers using a shift
register.
:param spi_device: SPI bus device name
:param cnv_device: CNV RTIO TTLOut channel name
:param div: SPI clock divider (default: 8)
:param gains: Initial value for PGIA gains shift register
(default: 0x0000). Knowledge of this state is not transferred
between experiments.
:param core_device: Core device name
"""
kernel_invariants = {"bus", "core", "cnv", "div", "v_ref"}
def __init__(self, dmgr, spi_device, cnv_device, div=8, gains=0x0000,
core_device="core"):
self.bus = dmgr.get(spi_device)
self.core = dmgr.get(core_device)
self.cnv = dmgr.get(cnv_device)
self.div = div
self.gains = gains
self.v_ref = 5. # 5 Volt reference
@kernel
def set_gain_mu(self, channel, gain):
"""Set instrumentation amplifier gain of a channel.
The four gain settings (0, 1, 2, 3) corresponds to gains of
(1, 10, 100, 1000) respectively.
:param channel: Channel index
:param gain: Gain setting
"""
gains = self.gains
gains &= ~(0b11 << (channel*2))
gains |= gain << (channel*2)
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END,
16, self.div, SPI_CS_SR)
self.bus.write(gains << 16)
self.gains = gains
@kernel
def configure(self, data):
"""Set up the ADC sequencer.
:param data: List of 8 bit control words to write into the sequencer
table.
"""
if len(data) > 1:
self.bus.set_config_mu(SPI_CONFIG,
8, self.div, SPI_CS_ADC)
for i in range(len(data) - 1):
self.bus.write(data[i] << 24)
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END,
8, self.div, SPI_CS_ADC)
self.bus.write(data[len(data) - 1] << 24)
@kernel
def sample_mu(self, next_ctrl=0):
"""Acquire a sample:
Perform a conversion and transfer the sample.
:param next_ctrl: ADC control word for the next sample
:return: The ADC result packet (machine units)
"""
self.cnv.pulse(40*ns) # t_CNVH
delay(560*ns) # t_CONV max
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_INPUT | spi.SPI_END,
24, self.div, SPI_CS_ADC)
self.bus.write(next_ctrl << 24)
return self.bus.read()
@kernel
def sample(self, next_ctrl=0):
"""Acquire a sample
.. seealso:: :meth:`sample_mu`
:param next_ctrl: ADC control word for the next sample
:return: The ADC result packet (Volt)
"""
return adc_value(self.sample_mu(), self.v_ref)
@kernel
def burst_mu(self, data, dt_mu, ctrl=0):
"""Acquire a burst of samples.
If the burst is too long and the sample rate too high, there will be
RTIO input overflows.
High sample rates lead to gain errors since the impedance between the
instrumentation amplifier and the ADC is high.
:param data: List of data values to write result packets into.
In machine units.
:param dt: Sample interval in machine units.
:param ctrl: ADC control word to write during each result packet
transfer.
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_INPUT | spi.SPI_END,
24, self.div, SPI_CS_ADC)
for i in range(len(data)):
t0 = now_mu()
self.cnv.pulse(40*ns) # t_CNVH
delay(560*ns) # t_CONV max
self.bus.write(ctrl << 24)
at_mu(t0 + dt_mu)
for i in range(len(data)):
data[i] = self.bus.read()

47
artiq/coredevice/pcf8574a.py Normal file
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@ -0,0 +1,47 @@
from artiq.experiment import kernel
from artiq.coredevice.i2c import (
i2c_start, i2c_write, i2c_read, i2c_stop, I2CError)
class PCF8574A:
"""Driver for the PCF8574 I2C remote 8-bit I/O expander.
I2C transactions not real-time, and are performed by the CPU without
involving RTIO.
"""
def __init__(self, dmgr, busno=0, address=0x7c, core_device="core"):
self.core = dmgr.get(core_device)
self.busno = busno
self.address = address
@kernel
def set(self, data):
"""Drive data on the quasi-bidirectional pins.
:param data: Pin data. High bits are weakly driven high
(and thus inputs), low bits are strongly driven low.
"""
i2c_start(self.busno)
try:
if not i2c_write(self.busno, self.address):
raise I2CError("PCF8574A failed to ack address")
if not i2c_write(self.busno, data):
raise I2CError("PCF8574A failed to ack data")
finally:
i2c_stop(self.busno)
@kernel
def get(self):
"""Retrieve quasi-bidirectional pin input data.
:return: Pin data
"""
i2c_start(self.busno)
ret = 0
try:
if not i2c_write(self.busno, self.address | 1):
raise I2CError("PCF8574A failed to ack address")
ret = i2c_read(self.busno, False)
finally:
i2c_stop(self.busno)
return ret

2
artiq/coredevice/pcu.py
View File

@ -41,7 +41,7 @@ class CorePCU:
"""
Configure and clear the kernel CPU performance counters.
The eight counters are configures to count the folloging events:
The eight counters are configured to count the following events:
* Load or store
* Instruction fetch
* Data cache miss

945
artiq/coredevice/phaser.py Normal file
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@ -0,0 +1,945 @@
from artiq.language.core import kernel, delay_mu, delay
from artiq.coredevice.rtio import rtio_output, rtio_input_data
from artiq.language.units import us, ns, ms, MHz, dB
from artiq.language.types import TInt32
from artiq.coredevice.dac34h84 import DAC34H84
from artiq.coredevice.trf372017 import TRF372017
PHASER_BOARD_ID = 19
PHASER_ADDR_BOARD_ID = 0x00
PHASER_ADDR_HW_REV = 0x01
PHASER_ADDR_GW_REV = 0x02
PHASER_ADDR_CFG = 0x03
PHASER_ADDR_STA = 0x04
PHASER_ADDR_CRC_ERR = 0x05
PHASER_ADDR_LED = 0x06
PHASER_ADDR_FAN = 0x07
PHASER_ADDR_DUC_STB = 0x08
PHASER_ADDR_ADC_CFG = 0x09
PHASER_ADDR_SPI_CFG = 0x0a
PHASER_ADDR_SPI_DIVLEN = 0x0b
PHASER_ADDR_SPI_SEL = 0x0c
PHASER_ADDR_SPI_DATW = 0x0d
PHASER_ADDR_SPI_DATR = 0x0e
PHASER_ADDR_SYNC_DLY = 0x0f
PHASER_ADDR_DUC0_CFG = 0x10
# PHASER_ADDR_DUC0_RESERVED0 = 0x11
PHASER_ADDR_DUC0_F = 0x12
PHASER_ADDR_DUC0_P = 0x16
PHASER_ADDR_DAC0_DATA = 0x18
PHASER_ADDR_DAC0_TEST = 0x1c
PHASER_ADDR_DUC1_CFG = 0x20
# PHASER_ADDR_DUC1_RESERVED0 = 0x21
PHASER_ADDR_DUC1_F = 0x22
PHASER_ADDR_DUC1_P = 0x26
PHASER_ADDR_DAC1_DATA = 0x28
PHASER_ADDR_DAC1_TEST = 0x2c
PHASER_SEL_DAC = 1 << 0
PHASER_SEL_TRF0 = 1 << 1
PHASER_SEL_TRF1 = 1 << 2
PHASER_SEL_ATT0 = 1 << 3
PHASER_SEL_ATT1 = 1 << 4
PHASER_STA_DAC_ALARM = 1 << 0
PHASER_STA_TRF0_LD = 1 << 1
PHASER_STA_TRF1_LD = 1 << 2
PHASER_STA_TERM0 = 1 << 3
PHASER_STA_TERM1 = 1 << 4
PHASER_STA_SPI_IDLE = 1 << 5
PHASER_DAC_SEL_DUC = 0
PHASER_DAC_SEL_TEST = 1
PHASER_HW_REV_VARIANT = 1 << 4
class Phaser:
"""Phaser 4-channel, 16-bit, 1 GS/s DAC coredevice driver.
Phaser contains a 4 channel, 1 GS/s DAC chip with integrated upconversion,
quadrature modulation compensation and interpolation features.
The coredevice produces 2 IQ (in-phase and quadrature) data streams with 25
MS/s and 14 bit per quadrature. Each data stream supports 5 independent
numerically controlled IQ oscillators (NCOs, DDSs with 32 bit frequency, 16
bit phase, 15 bit amplitude, and phase accumulator clear functionality)
added together. See :class:`PhaserChannel` and :class:`PhaserOscillator`.
Together with a data clock, framing marker, a checksum and metadata for
register access the streams are sent in groups of 8 samples over 1.5 Gb/s
FastLink via a single EEM connector from coredevice to Phaser.
On Phaser in the FPGA the data streams are buffered and interpolated
from 25 MS/s to 500 MS/s 16 bit followed by a 500 MS/s digital upconverter
with adjustable frequency and phase. The interpolation passband is 20 MHz
wide, passband ripple is less than 1e-3 amplitude, stopband attenuation
is better than 75 dB at offsets > 15 MHz and better than 90 dB at offsets
> 30 MHz.
The four 16 bit 500 MS/s DAC data streams are sent via a 32 bit parallel
LVDS bus operating at 1 Gb/s per pin pair and processed in the DAC (Texas
Instruments DAC34H84). On the DAC 2x interpolation, sinx/x compensation,
quadrature modulator compensation, fine and coarse mixing as well as group
delay capabilities are available.
The latency/group delay from the RTIO events setting
:class:`PhaserOscillator` or :class:`PhaserChannel` DUC parameters all the
way to the DAC outputs is deterministic. This enables deterministic
absolute phase with respect to other RTIO input and output events.
The four analog DAC outputs are passed through anti-aliasing filters.
In the baseband variant, the even/in-phase DAC channels feed 31.5 dB range
attenuators and are available on the front panel. The odd outputs are
available at MMCX connectors on board.
In the upconverter variant, each IQ output pair feeds one quadrature
upconverter (Texas Instruments TRF372017) with integrated PLL/VCO. This
digitally configured analog quadrature upconverter supports offset tuning
for carrier and sideband suppression. The output from the upconverter
passes through the 31.5 dB range step attenuator and is available at the
front panel.
The DAC, the analog quadrature upconverters and the attenuators are
configured through a shared SPI bus that is accessed and controlled via
FPGA registers.
.. note:: Various register settings of the DAC and the quadrature
upconverters are available to be modified through the `dac`, `trf0`,
`trf1` dictionaries. These can be set through the device database
(`device_db.py`). The settings are frozen during instantiation of the
class and applied during `init()`. See the :class:`DAC34H84` and
:class:`TRF372017` source for details.
.. note:: To establish deterministic latency between RTIO time base and DAC
output, the DAC FIFO read pointer value (`fifo_offset`) must be
fixed. If `tune_fifo_offset=True` (the default) a value with maximum
margin is determined automatically by `dac_tune_fifo_offset` each time
`init()` is called. This value should be used for the `fifo_offset` key
of the `dac` settings of Phaser in `device_db.py` and automatic
tuning should be disabled by `tune_fifo_offset=False`.
:param channel: Base RTIO channel number
:param core_device: Core device name (default: "core")
:param miso_delay: Fastlink MISO signal delay to account for cable
and buffer round trip. Tuning this might be automated later.
:param tune_fifo_offset: Tune the DAC FIFO read pointer offset
(default=True)
:param clk_sel: Select the external SMA clock input (1 or 0)
:param sync_dly: SYNC delay with respect to ISTR.
:param dac: DAC34H84 DAC settings as a dictionary.
:param trf0: Channel 0 TRF372017 quadrature upconverter settings as a
dictionary.
:param trf1: Channel 1 TRF372017 quadrature upconverter settings as a
dictionary.
Attributes:
* :attr:`channel`: List of two :class:`PhaserChannel`
To access oscillators, digital upconverters, PLL/VCO analog
quadrature upconverters and attenuators.
"""
kernel_invariants = {"core", "channel_base", "t_frame", "miso_delay",
"dac_mmap"}
def __init__(self, dmgr, channel_base, miso_delay=1, tune_fifo_offset=True,
clk_sel=0, sync_dly=0, dac=None, trf0=None, trf1=None,
core_device="core"):
self.channel_base = channel_base
self.core = dmgr.get(core_device)
# TODO: auto-align miso-delay in phy
self.miso_delay = miso_delay
# frame duration in mu (10 words, 8 clock cycles each 4 ns)
# self.core.seconds_to_mu(10*8*4*ns) # unfortunately this returns 319
assert self.core.ref_period == 1*ns
self.t_frame = 10*8*4
self.clk_sel = clk_sel
self.tune_fifo_offset = tune_fifo_offset
self.sync_dly = sync_dly
self.dac_mmap = DAC34H84(dac).get_mmap()
self.channel = [PhaserChannel(self, ch, trf)
for ch, trf in enumerate([trf0, trf1])]
@kernel
def init(self, debug=False):
"""Initialize the board.
Verifies board and chip presence, resets components, performs
communication and configuration tests and establishes initial
conditions.
"""
board_id = self.read8(PHASER_ADDR_BOARD_ID)
if board_id != PHASER_BOARD_ID:
raise ValueError("invalid board id")
delay(.1*ms) # slack
hw_rev = self.read8(PHASER_ADDR_HW_REV)
delay(.1*ms) # slack
is_baseband = hw_rev & PHASER_HW_REV_VARIANT
gw_rev = self.read8(PHASER_ADDR_GW_REV)
delay(.1*ms) # slack
# allow a few errors during startup and alignment since boot
if self.get_crc_err() > 20:
raise ValueError("large number of frame CRC errors")
delay(.1*ms) # slack
# reset
self.set_cfg(dac_resetb=0, dac_sleep=1, dac_txena=0,
trf0_ps=1, trf1_ps=1,
att0_rstn=0, att1_rstn=0)
self.set_leds(0x00)
self.set_fan_mu(0)
# bring dac out of reset, keep tx off
self.set_cfg(clk_sel=self.clk_sel, dac_txena=0,
trf0_ps=1, trf1_ps=1,
att0_rstn=0, att1_rstn=0)
delay(.1*ms) # slack
# crossing dac_clk (reference) edges with sync_dly
# changes the optimal fifo_offset by 4
self.set_sync_dly(self.sync_dly)
# 4 wire SPI, sif4_enable
self.dac_write(0x02, 0x0080)
if self.dac_read(0x7f) != 0x5409:
raise ValueError("DAC version readback invalid")
delay(.1*ms)
if self.dac_read(0x00) != 0x049c:
raise ValueError("DAC config0 reset readback invalid")
delay(.1*ms)
t = self.get_dac_temperature()
delay(.1*ms)
if t < 10 or t > 90:
raise ValueError("DAC temperature out of bounds")
for data in self.dac_mmap:
self.dac_write(data >> 16, data)
delay(40*us)
# pll_ndivsync_ena disable
config18 = self.dac_read(0x18)
delay(.1*ms)
self.dac_write(0x18, config18 & ~0x0800)
patterns = [
[0xf05a, 0x05af, 0x5af0, 0xaf05], # test channel/iq/byte/nibble
[0x7a7a, 0xb6b6, 0xeaea, 0x4545], # datasheet pattern a
[0x1a1a, 0x1616, 0xaaaa, 0xc6c6], # datasheet pattern b
]
# A data delay of 2*50 ps heuristically and reproducibly matches
# FPGA+board+DAC skews. There is plenty of margin (>= 250 ps
# either side) and no need to tune at runtime.
# Parity provides another level of safety.
for i in range(len(patterns)):
delay(.5*ms)
errors = self.dac_iotest(patterns[i])
if errors:
raise ValueError("DAC iotest failure")
delay(2*ms) # let it settle
lvolt = self.dac_read(0x18) & 7
delay(.1*ms)
if lvolt < 2 or lvolt > 5:
raise ValueError("DAC PLL lock failed, check clocking")
if self.tune_fifo_offset:
fifo_offset = self.dac_tune_fifo_offset()
if debug:
print(fifo_offset)
self.core.break_realtime()
# self.dac_write(0x20, 0x0000) # stop fifo sync
# alarm = self.get_sta() & 1
# delay(.1*ms)
self.clear_dac_alarms()
delay(2*ms) # let it run a bit
alarms = self.get_dac_alarms()
delay(.1*ms) # slack
if alarms & ~0x0040: # ignore PLL alarms (see DS)
if debug:
print(alarms)
self.core.break_realtime()
# ignore alarms
else:
raise ValueError("DAC alarm")
# power up trfs, release att reset
self.set_cfg(clk_sel=self.clk_sel, dac_txena=0)
for ch in range(2):
channel = self.channel[ch]
# test attenuator write and readback
channel.set_att_mu(0x5a)
if channel.get_att_mu() != 0x5a:
raise ValueError("attenuator test failed")
delay(.1*ms)
channel.set_att_mu(0x00) # minimum attenuation
# test oscillators and DUC
for i in range(len(channel.oscillator)):
oscillator = channel.oscillator[i]
asf = 0
if i == 0:
asf = 0x7fff
# 6pi/4 phase
oscillator.set_amplitude_phase_mu(asf=asf, pow=0xc000, clr=1)
delay(1*us)
# 3pi/4
channel.set_duc_phase_mu(0x6000)
channel.set_duc_cfg(select=0, clr=1)
self.duc_stb()
delay(.1*ms) # settle link, pipeline and impulse response
data = channel.get_dac_data()
delay(.1*ms)
sqrt2 = 0x5a81 # 0x7fff/sqrt(2)
data_i = data & 0xffff
data_q = (data >> 16) & 0xffff
# allow ripple
if (data_i < sqrt2 - 30 or data_i > sqrt2 or
abs(data_i - data_q) > 2):
raise ValueError("DUC+oscillator phase/amplitude test failed")
if is_baseband:
continue
if channel.trf_read(0) & 0x7f != 0x68:
raise ValueError("TRF identification failed")
delay(.1*ms)
delay(.2*ms)
for data in channel.trf_mmap:
channel.trf_write(data)
delay(2*ms) # lock
if not (self.get_sta() & (PHASER_STA_TRF0_LD << ch)):
raise ValueError("TRF lock failure")
delay(.1*ms)
if channel.trf_read(0) & 0x1000:
raise ValueError("TRF R_SAT_ERR")
delay(.1*ms)
# enable dac tx
self.set_cfg(clk_sel=self.clk_sel)
@kernel
def write8(self, addr, data):
"""Write data to FPGA register.
:param addr: Address to write to (7 bit)
:param data: Data to write (8 bit)
"""
rtio_output((self.channel_base << 8) | (addr & 0x7f) | 0x80, data)
delay_mu(int64(self.t_frame))
@kernel
def read8(self, addr) -> TInt32:
"""Read from FPGA register.
:param addr: Address to read from (7 bit)
:return: Data read (8 bit)
"""
rtio_output((self.channel_base << 8) | (addr & 0x7f), 0)
response = rtio_input_data(self.channel_base)
return response >> self.miso_delay
@kernel
def write32(self, addr, data: TInt32):
"""Write 32 bit to a sequence of FPGA registers."""
for offset in range(4):
byte = data >> 24
self.write8(addr + offset, byte)
data <<= 8
@kernel
def read32(self, addr) -> TInt32:
"""Read 32 bit from a sequence of FPGA registers."""
data = 0
for offset in range(4):
data <<= 8
data |= self.read8(addr + offset)
delay(20*us) # slack
return data
@kernel
def set_leds(self, leds):
"""Set the front panel LEDs.
:param leds: LED settings (6 bit)
"""
self.write8(PHASER_ADDR_LED, leds)
@kernel
def set_fan_mu(self, pwm):
"""Set the fan duty cycle.
:param pwm: Duty cycle in machine units (8 bit)
"""
self.write8(PHASER_ADDR_FAN, pwm)
@kernel
def set_fan(self, duty):
"""Set the fan duty cycle.
:param duty: Duty cycle (0. to 1.)
"""
pwm = int32(round(duty*255.))
if pwm < 0 or pwm > 255:
raise ValueError("duty cycle out of bounds")
self.set_fan_mu(pwm)
@kernel
def set_cfg(self, clk_sel=0, dac_resetb=1, dac_sleep=0, dac_txena=1,
trf0_ps=0, trf1_ps=0, att0_rstn=1, att1_rstn=1):
"""Set the configuration register.
Each flag is a single bit (0 or 1).
:param clk_sel: Select the external SMA clock input
:param dac_resetb: Active low DAC reset pin
:param dac_sleep: DAC sleep pin
:param dac_txena: Enable DAC transmission pin
:param trf0_ps: Quadrature upconverter 0 power save
:param trf1_ps: Quadrature upconverter 1 power save
:param att0_rstn: Active low attenuator 0 reset
:param att1_rstn: Active low attenuator 1 reset
"""
self.write8(PHASER_ADDR_CFG,
((clk_sel & 1) << 0) | ((dac_resetb & 1) << 1) |
((dac_sleep & 1) << 2) | ((dac_txena & 1) << 3) |
((trf0_ps & 1) << 4) | ((trf1_ps & 1) << 5) |
((att0_rstn & 1) << 6) | ((att1_rstn & 1) << 7))
@kernel
def get_sta(self):
"""Get the status register value.
Bit flags are:
* :const:`PHASER_STA_DAC_ALARM`: DAC alarm pin
* :const:`PHASER_STA_TRF0_LD`: Quadrature upconverter 0 lock detect
* :const:`PHASER_STA_TRF1_LD`: Quadrature upconverter 1 lock detect
* :const:`PHASER_STA_TERM0`: ADC channel 0 termination indicator
* :const:`PHASER_STA_TERM1`: ADC channel 1 termination indicator
* :const:`PHASER_STA_SPI_IDLE`: SPI machine is idle and data registers
can be read/written
:return: Status register
"""
return self.read8(PHASER_ADDR_STA)
@kernel
def get_crc_err(self):
"""Get the frame CRC error counter.
:return: The number of frames with CRC mismatches sind the reset of the
device. Overflows at 256.
"""
return self.read8(PHASER_ADDR_CRC_ERR)
@kernel
def set_sync_dly(self, dly):
"""Set SYNC delay.
:param dly: DAC SYNC delay setting (0 to 7)
"""
if dly < 0 or dly > 7:
raise ValueError("SYNC delay out of bounds")
self.write8(PHASER_ADDR_SYNC_DLY, dly)
@kernel
def duc_stb(self):
"""Strobe the DUC configuration register update.
Transfer staging to active registers.
This affects both DUC channels.
"""
self.write8(PHASER_ADDR_DUC_STB, 0)
@kernel
def spi_cfg(self, select, div, end, clk_phase=0, clk_polarity=0,
half_duplex=0, lsb_first=0, offline=0, length=8):
"""Set the SPI machine configuration
:param select: Chip selects to assert (DAC, TRF0, TRF1, ATT0, ATT1)
:param div: SPI clock divider relative to 250 MHz fabric clock
:param end: Whether to end the SPI transaction and deassert chip select
:param clk_phase: SPI clock phase (sample on first or second edge)
:param clk_polarity: SPI clock polarity (idle low or high)
:param half_duplex: Read MISO data from MOSI wire
:param lsb_first: Transfer the least significant bit first
:param offline: Put the SPI interfaces offline and don't drive voltages
:param length: SPI transfer length (1 to 8 bits)
"""
if div < 2 or div > 257:
raise ValueError("divider out of bounds")
if length < 1 or length > 8:
raise ValueError("length out of bounds")
self.write8(PHASER_ADDR_SPI_SEL, select)
self.write8(PHASER_ADDR_SPI_DIVLEN, (div - 2 >> 3) | (length - 1 << 5))
self.write8(PHASER_ADDR_SPI_CFG,
((offline & 1) << 0) | ((end & 1) << 1) |
((clk_phase & 1) << 2) | ((clk_polarity & 1) << 3) |
((half_duplex & 1) << 4) | ((lsb_first & 1) << 5))
@kernel
def spi_write(self, data):
"""Write 8 bits into the SPI data register and start/continue the
transaction."""
self.write8(PHASER_ADDR_SPI_DATW, data)
@kernel
def spi_read(self):
"""Read from the SPI input data register."""
return self.read8(PHASER_ADDR_SPI_DATR)
@kernel
def dac_write(self, addr, data):
"""Write 16 bit to a DAC register.
:param addr: Register address
:param data: Register data to write
"""
div = 34 # 100 ns min period
t_xfer = self.core.seconds_to_mu((8 + 1)*div*4*ns)
self.spi_cfg(select=PHASER_SEL_DAC, div=div, end=0)
self.spi_write(addr)
delay_mu(t_xfer)
self.spi_write(data >> 8)
delay_mu(t_xfer)
self.spi_cfg(select=PHASER_SEL_DAC, div=div, end=1)
self.spi_write(data)
delay_mu(t_xfer)
@kernel
def dac_read(self, addr, div=34) -> TInt32:
"""Read from a DAC register.
:param addr: Register address to read from
:param div: SPI clock divider. Needs to be at least 250 (1 µs SPI
clock) to read the temperature register.
"""
t_xfer = self.core.seconds_to_mu((8 + 1)*div*4*ns)
self.spi_cfg(select=PHASER_SEL_DAC, div=div, end=0)
self.spi_write(addr | 0x80)
delay_mu(t_xfer)
self.spi_write(0)
delay_mu(t_xfer)
data = self.spi_read() << 8
delay(20*us) # slack
self.spi_cfg(select=PHASER_SEL_DAC, div=div, end=1)
self.spi_write(0)
delay_mu(t_xfer)
data |= self.spi_read()
return data
@kernel
def get_dac_temperature(self) -> TInt32:
"""Read the DAC die temperature.
:return: DAC temperature in degree Celsius
"""
return self.dac_read(0x06, div=257) >> 8
@kernel
def get_dac_alarms(self):
"""Read the DAC alarm flags.
:return: DAC alarm flags (see datasheet for bit meaning)
"""
return self.dac_read(0x05)
@kernel
def clear_dac_alarms(self):
"""Clear DAC alarm flags."""
self.dac_write(0x05, 0x0000)
@kernel
def dac_iotest(self, pattern) -> TInt32:
"""Performs a DAC IO test according to the datasheet.
:param patterm: List of four int32 containing the pattern
:return: Bit error mask (16 bits)
"""
if len(pattern) != 4:
raise ValueError("pattern length out of bounds")
for addr in range(len(pattern)):
self.dac_write(0x25 + addr, pattern[addr])
# repeat the pattern twice
self.dac_write(0x29 + addr, pattern[addr])
delay(.1*ms)
for ch in range(2):
channel = self.channel[ch]
channel.set_duc_cfg(select=1) # test
# dac test data is i msb, q lsb
data = pattern[2*ch] | (pattern[2*ch + 1] << 16)
channel.set_dac_test(data)
if channel.get_dac_data() != data:
raise ValueError("DAC test data readback failed")
delay(.1*ms)
cfg = self.dac_read(0x01)
delay(.1*ms)
self.dac_write(0x01, cfg | 0x8000) # iotest_ena
self.dac_write(0x04, 0x0000) # clear iotest_result
delay(.2*ms) # let it rip
# no need to go through the alarm register,
# just read the error mask
# self.clear_dac_alarms()
alarms = self.get_dac_alarms()
delay(.1*ms) # slack
if alarms & 0x0080: # alarm_from_iotest
errors = self.dac_read(0x04)
delay(.1*ms) # slack
else:
errors = 0
self.dac_write(0x01, cfg) # clear config
self.dac_write(0x04, 0x0000) # clear iotest_result
return errors
@kernel
def dac_tune_fifo_offset(self):
"""Scan through `fifo_offset` and configure midpoint setting.
:return: Optimal `fifo_offset` setting with maximum margin to write
pointer.
"""
# expect two or three error free offsets:
#
# read offset 01234567
# write pointer w
# distance 32101234
# error free x xx
config9 = self.dac_read(0x09)
delay(.1*ms)
good = 0
for o in range(8):
# set new fifo_offset
self.dac_write(0x09, (config9 & 0x1fff) | (o << 13))
self.clear_dac_alarms()
delay(.1*ms) # run
alarms = self.get_dac_alarms()
delay(.1*ms) # slack
if (alarms >> 11) & 0x7 == 0: # any fifo alarm
good |= 1 << o
# if there are good offsets accross the wrap around
# offset for computations
if good & 0x81 == 0x81:
good = ((good << 4) & 0xf0) | (good >> 4)
offset = 4
else:
offset = 0
# calculate mean
sum = 0
count = 0
for o in range(8):
if good & (1 << o):
sum += o
count += 1
best = ((sum // count) + offset) % 8
self.dac_write(0x09, (config9 & 0x1fff) | (best << 13))
return best
class PhaserChannel:
"""Phaser channel IQ pair.
A Phaser channel contains:
* multiple oscillators (in the coredevice phy),
* an interpolation chain and digital upconverter (DUC) on Phaser,
* several channel-specific settings in the DAC:
* quadrature modulation compensation QMC
* numerically controlled oscillator NCO or coarse mixer CMIX,
* the analog quadrature upconverter (in the Phaser-Upconverter hardware
variant), and
* a digitally controlled step attenuator.
Attributes:
* :attr:`oscillator`: List of five :class:`PhaserOscillator`.
.. note:: The amplitude sum of the oscillators must be less than one to
avoid clipping or overflow. If any of the DDS or DUC frequencies are
non-zero, it is not sufficient to ensure that the sum in each
quadrature is within range.
.. note:: The interpolation filter on Phaser has an intrinsic sinc-like
overshoot in its step response. That overshoot is a direct consequence
of its near-brick-wall frequency response. For large and wide-band
changes in oscillator parameters, the overshoot can lead to clipping
or overflow after the interpolation. Either band-limit any changes
in the oscillator parameters or back off the amplitude sufficiently.
"""
kernel_invariants = {"index", "phaser", "trf_mmap"}
def __init__(self, phaser, index, trf):
self.phaser = phaser
self.index = index
self.trf_mmap = TRF372017(trf).get_mmap()
self.oscillator = [PhaserOscillator(self, osc) for osc in range(5)]
@kernel
def get_dac_data(self) -> TInt32:
"""Get a sample of the current DAC data.
The data is split accross multiple registers and thus the data
is only valid if constant.
:return: DAC data as 32 bit IQ. I/DACA/DACC in the 16 LSB,
Q/DACB/DACD in the 16 MSB
"""
return self.phaser.read32(PHASER_ADDR_DAC0_DATA + (self.index << 4))
@kernel
def set_dac_test(self, data: TInt32):
"""Set the DAC test data.
:param data: 32 bit IQ test data, I/DACA/DACC in the 16 LSB,
Q/DACB/DACD in the 16 MSB
"""
self.phaser.write32(PHASER_ADDR_DAC0_TEST + (self.index << 4), data)
@kernel
def set_duc_cfg(self, clr=0, clr_once=0, select=0):
"""Set the digital upconverter (DUC) and interpolator configuration.
:param clr: Keep the phase accumulator cleared (persistent)
:param clr_once: Clear the phase accumulator for one cycle
:param select: Select the data to send to the DAC (0: DUC data, 1: test
data, other values: reserved)
"""
self.phaser.write8(PHASER_ADDR_DUC0_CFG + (self.index << 4),
((clr & 1) << 0) | ((clr_once & 1) << 1) |
((select & 3) << 2))
@kernel
def set_duc_frequency_mu(self, ftw):
"""Set the DUC frequency.
:param ftw: DUC frequency tuning word (32 bit)
"""
self.phaser.write32(PHASER_ADDR_DUC0_F + (self.index << 4), ftw)
@kernel
def set_duc_frequency(self, frequency):
"""Set the DUC frequency in SI units.
:param frequency: DUC frequency in Hz (passband from -200 MHz to
200 MHz, wrapping around at +- 250 MHz)
"""
ftw = int32(round(frequency*((1 << 30)/(125*MHz))))
self.set_duc_frequency_mu(ftw)
@kernel
def set_duc_phase_mu(self, pow):
"""Set the DUC phase offset.
:param pow: DUC phase offset word (16 bit)
"""
addr = PHASER_ADDR_DUC0_P + (self.index << 4)
self.phaser.write8(addr, pow >> 8)
self.phaser.write8(addr + 1, pow)
@kernel
def set_duc_phase(self, phase):
"""Set the DUC phase in SI units.
:param phase: DUC phase in turns
"""
pow = int32(round(phase*(1 << 16)))
self.set_duc_phase_mu(pow)
@kernel
def set_nco_frequency_mu(self, ftw):
"""Set the NCO frequency.
:param ftw: NCO frequency tuning word (32 bit)
"""
self.phaser.dac_write(0x15 + (self.index << 1), ftw >> 16)
self.phaser.dac_write(0x14 + (self.index << 1), ftw)
@kernel
def set_nco_frequency(self, frequency):
"""Set the NCO frequency in SI units.
:param frequency: NCO frequency in Hz (passband from -400 MHz
to 400 MHz, wrapping around at +- 500 MHz)
"""
ftw = int32(round(frequency*((1 << 30)/(250*MHz))))
self.set_nco_frequency_mu(ftw)
@kernel
def set_nco_phase_mu(self, pow):
"""Set the NCO phase offset.
:param pow: NCO phase offset word (16 bit)
"""
self.phaser.dac_write(0x12 + self.index, pow)
@kernel
def set_nco_phase(self, phase):
"""Set the NCO phase in SI units.
:param phase: NCO phase in turns
"""
pow = int32(round(phase*(1 << 16)))
self.set_duc_phase_mu(pow)
@kernel
def set_att_mu(self, data):
"""Set channel attenuation.
:param data: Attenuator data in machine units (8 bit)
"""
div = 34 # 30 ns min period
t_xfer = self.phaser.core.seconds_to_mu((8 + 1)*div*4*ns)
self.phaser.spi_cfg(select=PHASER_SEL_ATT0 << self.index, div=div,
end=1)
self.phaser.spi_write(data)
delay_mu(t_xfer)
@kernel
def set_att(self, att):
"""Set channel attenuation in SI units.
:param att: Attenuation in dB
"""
# 2 lsb are inactive, resulting in 8 LSB per dB
data = 0xff - int32(round(att*8))
if data < 0 or data > 0xff:
raise ValueError("attenuation out of bounds")
self.set_att_mu(data)
@kernel
def get_att_mu(self) -> TInt32:
"""Read current attenuation.
The current attenuation value is read without side effects.
:return: Current attenuation in machine units
"""
div = 34
t_xfer = self.phaser.core.seconds_to_mu((8 + 1)*div*4*ns)
self.phaser.spi_cfg(select=PHASER_SEL_ATT0 << self.index, div=div,
end=0)
self.phaser.spi_write(0)
delay_mu(t_xfer)
data = self.phaser.spi_read()
delay(20*us) # slack
self.phaser.spi_cfg(select=PHASER_SEL_ATT0 << self.index, div=div,
end=1)
self.phaser.spi_write(data)
delay_mu(t_xfer)
return data
@kernel
def trf_write(self, data, readback=False):
"""Write 32 bits to quadrature upconverter register.
:param data: Register data (32 bit) containing encoded address
:param readback: Whether to return the read back MISO data
"""
div = 34 # 50 ns min period
t_xfer = self.phaser.core.seconds_to_mu((8 + 1)*div*4*ns)
read = 0
end = 0
clk_phase = 0
if readback:
clk_phase = 1
for i in range(4):
if i == 0 or i == 3:
if i == 3:
end = 1
self.phaser.spi_cfg(select=PHASER_SEL_TRF0 << self.index,
div=div, lsb_first=1, clk_phase=clk_phase,
end=end)
self.phaser.spi_write(data)
data >>= 8
delay_mu(t_xfer)
if readback:
read >>= 8
read |= self.phaser.spi_read() << 24
delay(20*us) # slack
return read
@kernel
def trf_read(self, addr, cnt_mux_sel=0) -> TInt32:
"""Quadrature upconverter register read.
:param addr: Register address to read (0 to 7)
:param cnt_mux_sel: Report VCO counter min or max frequency
:return: Register data (32 bit)
"""
self.trf_write(0x80000008 | (addr << 28) | (cnt_mux_sel << 27))
# single clk pulse with ~LE to start readback
self.phaser.spi_cfg(select=0, div=34, end=1, length=1)
self.phaser.spi_write(0)
delay((1 + 1)*34*4*ns)
return self.trf_write(0x00000008 | (cnt_mux_sel << 27),
readback=True)
class PhaserOscillator:
"""Phaser IQ channel oscillator (NCO/DDS).
.. note:: Latencies between oscillators within a channel and between
oscillator paramters (amplitude and phase/frequency) are deterministic
(with respect to the 25 MS/s sample clock) but not matched.
"""
kernel_invariants = {"channel", "base_addr"}
def __init__(self, channel, index):
self.channel = channel
self.base_addr = ((self.channel.phaser.channel_base + 1 +
2*self.channel.index) << 8) | index
@kernel
def set_frequency_mu(self, ftw):
"""Set Phaser MultiDDS frequency tuning word.
:param ftw: Frequency tuning word (32 bit)
"""
rtio_output(self.base_addr, ftw)
@kernel
def set_frequency(self, frequency):
"""Set Phaser MultiDDS frequency.
:param frequency: Frequency in Hz (passband from -10 MHz to 10 MHz,
wrapping around at +- 12.5 MHz)
"""
ftw = int32(round(frequency*((1 << 30)/(6.25*MHz))))
self.set_frequency_mu(ftw)
@kernel
def set_amplitude_phase_mu(self, asf=0x7fff, pow=0, clr=0):
"""Set Phaser MultiDDS amplitude, phase offset and accumulator clear.
:param asf: Amplitude (15 bit)
:param pow: Phase offset word (16 bit)
:param clr: Clear the phase accumulator (persistent)
"""
data = (asf & 0x7fff) | ((clr & 1) << 15) | (pow << 16)
rtio_output(self.base_addr | (1 << 8), data)
@kernel
def set_amplitude_phase(self, amplitude, phase=0., clr=0):
"""Set Phaser MultiDDS amplitude and phase.
:param amplitude: Amplitude in units of full scale
:param phase: Phase in turns
:param clr: Clear the phase accumulator (persistent)
"""
asf = int32(round(amplitude*0x7fff))
if asf < 0 or asf > 0x7fff:
raise ValueError("amplitude out of bounds")
pow = int32(round(phase*(1 << 16)))
self.set_amplitude_phase_mu(asf, pow, clr)

92
artiq/coredevice/profiler.py Normal file
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@ -0,0 +1,92 @@
from collections import defaultdict
import subprocess
class Symbolizer:
def __init__(self, binary, triple, demangle=True):
cmdline = [
triple + "-addr2line", "--exe=" + binary,
"--addresses", "--functions", "--inlines"
]
if demangle:
cmdline.append("--demangle=rust")
self._addr2line = subprocess.Popen(cmdline, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
universal_newlines=True)
def symbolize(self, addr):
self._addr2line.stdin.write("0x{:08x}\n0\n".format(addr))
self._addr2line.stdin.flush()
self._addr2line.stdout.readline() # 0x[addr]
result = []
while True:
function = self._addr2line.stdout.readline().rstrip()
# check for end marker
if function == "0x00000000": # 0x00000000
self._addr2line.stdout.readline() # ??
self._addr2line.stdout.readline() # ??:0
return result
file, line = self._addr2line.stdout.readline().rstrip().split(":")
result.append((function, file, line, addr))
class CallgrindWriter:
def __init__(self, output, binary, triple, compression=True, demangle=True):
self._output = output
self._binary = binary
self._current = defaultdict(lambda: None)
self._ids = defaultdict(lambda: {})
self._compression = compression
self._symbolizer = Symbolizer(binary, triple, demangle=demangle)
def _write(self, fmt, *args, **kwargs):
self._output.write(fmt.format(*args, **kwargs))
self._output.write("\n")
def _spec(self, spec, value):
if self._current[spec] == value:
return
self._current[spec] = value
if not self._compression or value == "??":
self._write("{}={}", spec, value)
return
spec_ids = self._ids[spec]
if value in spec_ids:
self._write("{}=({})", spec, spec_ids[value])
else:
spec_ids[value] = len(spec_ids) + 1
self._write("{}=({}) {}", spec, spec_ids[value], value)
def header(self):
self._write("# callgrind format")
self._write("version: 1")
self._write("creator: ARTIQ")
self._write("positions: instr line")
self._write("events: Hits")
self._write("")
self._spec("ob", self._binary)
self._spec("cob", self._binary)
def hit(self, addr, count):
for function, file, line, addr in self._symbolizer.symbolize(addr):
self._spec("fl", file)
self._spec("fn", function)
self._write("0x{:08x} {} {}", addr, line, count)
def edge(self, caller, callee, count):
edges = self._symbolizer.symbolize(callee) + self._symbolizer.symbolize(caller)
for (callee, caller) in zip(edges, edges[1:]):
function, file, line, addr = callee
self._spec("cfl", file)
self._spec("cfn", function)
self._write("calls={} 0x{:08x} {}", count, addr, line)
function, file, line, addr = caller
self._spec("fl", file)
self._spec("fn", function)
self._write("0x{:08x} {} {}", addr, line, count)

17
artiq/coredevice/rtio.py
View File

@ -1,16 +1,14 @@
from artiq.language.core import syscall
from artiq.language.types import TInt64, TInt32, TNone, TList
from artiq.language.types import TInt32, TInt64, TList, TNone, TTuple
@syscall(flags={"nowrite"})
def rtio_output(time_mu: TInt64, channel: TInt32, addr: TInt32, data: TInt32
) -> TNone:
def rtio_output(target: TInt32, data: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nowrite"})
def rtio_output_wide(time_mu: TInt64, channel: TInt32, addr: TInt32,
data: TList(TInt32)) -> TNone:
def rtio_output_wide(target: TInt32, data: TList(TInt32)) -> TNone:
raise NotImplementedError("syscall not simulated")
@ -22,3 +20,12 @@ def rtio_input_timestamp(timeout_mu: TInt64, channel: TInt32) -> TInt64:
@syscall(flags={"nowrite"})
def rtio_input_data(channel: TInt32) -> TInt32:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nowrite"})
def rtio_input_timestamped_data(timeout_mu: TInt64,
channel: TInt32) -> TTuple([TInt64, TInt32]):
"""Wait for an input event up to timeout_mu on the given channel, and
return a tuple of timestamp and attached data, or (-1, 0) if the timeout is
reached."""
raise NotImplementedError("syscall not simulated")

147
artiq/coredevice/sampler.py Normal file
View File

@ -0,0 +1,147 @@
from artiq.language.core import kernel, delay, portable
from artiq.language.units import ns
from artiq.coredevice import spi2 as spi
SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
SPI_CS_ADC = 0 # no CS, SPI_END does not matter, framing is done with CNV
SPI_CS_PGIA = 1 # separate SPI bus, CS used as RCLK
@portable
def adc_mu_to_volt(data, gain=0):
"""Convert ADC data in machine units to Volts.
:param data: 16 bit signed ADC word
:param gain: PGIA gain setting (0: 1, ..., 3: 1000)
:return: Voltage in Volts
"""
if gain == 0:
volt_per_lsb = 20./(1 << 16)
elif gain == 1:
volt_per_lsb = 2./(1 << 16)
elif gain == 2:
volt_per_lsb = .2/(1 << 16)
elif gain == 3:
volt_per_lsb = .02/(1 << 16)
else:
raise ValueError("invalid gain")
return data*volt_per_lsb
class Sampler:
"""Sampler ADC.
Controls the LTC2320-16 8 channel 16 bit ADC with SPI interface and
the switchable gain instrumentation amplifiers.
:param spi_adc_device: ADC SPI bus device name
:param spi_pgia_device: PGIA SPI bus device name
:param cnv_device: CNV RTIO TTLOut channel name
:param div: SPI clock divider (default: 8)
:param gains: Initial value for PGIA gains shift register
(default: 0x0000). Knowledge of this state is not transferred
between experiments.
:param core_device: Core device name
"""
kernel_invariants = {"bus_adc", "bus_pgia", "core", "cnv", "div"}
def __init__(self, dmgr, spi_adc_device, spi_pgia_device, cnv_device,
div=8, gains=0x0000, core_device="core"):
self.bus_adc = dmgr.get(spi_adc_device)
self.bus_adc.update_xfer_duration_mu(div, 32)
self.bus_pgia = dmgr.get(spi_pgia_device)
self.bus_pgia.update_xfer_duration_mu(div, 16)
self.core = dmgr.get(core_device)
self.cnv = dmgr.get(cnv_device)
self.div = div
self.gains = gains
@kernel
def init(self):
"""Initialize the device.
Sets up SPI channels.
"""
self.bus_adc.set_config_mu(SPI_CONFIG | spi.SPI_INPUT | spi.SPI_END,
32, self.div, SPI_CS_ADC)
self.bus_pgia.set_config_mu(SPI_CONFIG | spi.SPI_END,
16, self.div, SPI_CS_PGIA)
@kernel
def set_gain_mu(self, channel, gain):
"""Set instrumentation amplifier gain of a channel.
The four gain settings (0, 1, 2, 3) corresponds to gains of
(1, 10, 100, 1000) respectively.
:param channel: Channel index
:param gain: Gain setting
"""
gains = self.gains
gains &= ~(0b11 << (channel*2))
gains |= gain << (channel*2)
self.bus_pgia.write(gains << 16)
self.gains = gains
@kernel
def get_gains_mu(self):
"""Read the PGIA gain settings of all channels.
:return: The PGIA gain settings in machine units.
"""
self.bus_pgia.set_config_mu(SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT,
16, self.div, SPI_CS_PGIA)
self.bus_pgia.write(self.gains << 16)
self.bus_pgia.set_config_mu(SPI_CONFIG | spi.SPI_END,
16, self.div, SPI_CS_PGIA)
self.gains = self.bus_pgia.read() & 0xffff
return self.gains
@kernel
def sample_mu(self, data):
"""Acquire a set of samples.
Perform a conversion and transfer the samples.
This assumes that the input FIFO of the ADC SPI RTIO channel is deep
enough to buffer the samples (half the length of `data` deep).
If it is not, there will be RTIO input overflows.
:param data: List of data samples to fill. Must have even length.
Samples are always read from the last channel (channel 7) down.
The `data` list will always be filled with the last item
holding to the sample from channel 7.
"""
self.cnv.pulse(30*ns) # t_CNVH
delay(450*ns) # t_CONV
mask = 1 << 15
for i in range(len(data)//2):
self.bus_adc.write(0)
for i in range(len(data) - 1, -1, -2):
val = self.bus_adc.read()
data[i] = val >> 16
val &= 0xffff
data[i - 1] = -(val & mask) + (val & ~mask)
@kernel
def sample(self, data):
"""Acquire a set of samples.
.. seealso:: :meth:`sample_mu`
:param data: List of floating point data samples to fill.
"""
n = len(data)
adc_data = [0]*n
self.sample_mu(adc_data)
for i in range(n):
channel = i + 8 - len(data)
gain = (self.gains >> (channel*2)) & 0b11
data[i] = adc_mu_to_volt(adc_data[i], gain)

28
artiq/coredevice/sawg.py
View File

@ -10,7 +10,7 @@ Output event replacement is supported except on the configuration channel.
from artiq.language.types import TInt32, TFloat
from numpy import int32, int64
from artiq.language.core import kernel, now_mu
from artiq.language.core import kernel
from artiq.coredevice.spline import Spline
from artiq.coredevice.rtio import rtio_output
@ -69,7 +69,7 @@ class Config:
``t_sawg_spline/t_rtio_coarse = div + 1``. Default: ``0``.
:param n: Current value of the counter. Default: ``0``.
"""
rtio_output(now_mu(), self.channel, _SAWG_DIV, div | (n << 16))
rtio_output((self.channel << 8) | _SAWG_DIV, div | (n << 16))
delay_mu(self._rtio_interval)
@kernel
@ -108,7 +108,7 @@ class Config:
:param clr2: Auto-clear phase accumulator of the ``phase2``/
``frequency2`` DDS. Default: ``True``
"""
rtio_output(now_mu(), self.channel, _SAWG_CLR, clr0 |
rtio_output((self.channel << 8) | _SAWG_CLR, clr0 |
(clr1 << 1) | (clr2 << 2))
delay_mu(self._rtio_interval)
@ -135,7 +135,7 @@ class Config:
DUC-DDS data of this SAWG's *buddy* channel to *this* DAC
channel. Default: ``0``.
"""
rtio_output(now_mu(), self.channel, _SAWG_IQ_EN, i_enable |
rtio_output((self.channel << 8) | _SAWG_IQ_EN, i_enable |
(q_enable << 1))
delay_mu(self._rtio_interval)
@ -151,25 +151,25 @@ class Config:
.. seealso:: :meth:`set_duc_max`
"""
rtio_output(now_mu(), self.channel, _SAWG_DUC_MAX, limit)
rtio_output((self.channel << 8) | _SAWG_DUC_MAX, limit)
delay_mu(self._rtio_interval)
@kernel
def set_duc_min_mu(self, limit: TInt32):
""".. seealso:: :meth:`set_duc_max_mu`"""
rtio_output(now_mu(), self.channel, _SAWG_DUC_MIN, limit)
rtio_output((self.channel << 8) | _SAWG_DUC_MIN, limit)
delay_mu(self._rtio_interval)
@kernel
def set_out_max_mu(self, limit: TInt32):
""".. seealso:: :meth:`set_duc_max_mu`"""
rtio_output(now_mu(), self.channel, _SAWG_OUT_MAX, limit)
rtio_output((self.channel << 8) | _SAWG_OUT_MAX, limit)
delay_mu(self._rtio_interval)
@kernel
def set_out_min_mu(self, limit: TInt32):
""".. seealso:: :meth:`set_duc_max_mu`"""
rtio_output(now_mu(), self.channel, _SAWG_OUT_MIN, limit)
rtio_output((self.channel << 8) | _SAWG_OUT_MIN, limit)
delay_mu(self._rtio_interval)
@kernel
@ -342,7 +342,7 @@ class SAWG:
settings.
This method advances the timeline by the time required to perform all
seven writes to the configuration channel.
7 writes to the configuration channel, plus 9 coarse RTIO cycles.
"""
self.config.set_div(0, 0)
self.config.set_clr(1, 1, 1)
@ -352,11 +352,21 @@ class SAWG:
self.config.set_out_min(-1.)
self.config.set_out_max(1.)
self.frequency0.set_mu(0)
coarse_cycle = int64(self.core.ref_multiplier)
delay_mu(coarse_cycle)
self.frequency1.set_mu(0)
delay_mu(coarse_cycle)
self.frequency2.set_mu(0)
delay_mu(coarse_cycle)
self.phase0.set_mu(0)
delay_mu(coarse_cycle)
self.phase1.set_mu(0)
delay_mu(coarse_cycle)
self.phase2.set_mu(0)
delay_mu(coarse_cycle)
self.amplitude1.set_mu(0)
delay_mu(coarse_cycle)
self.amplitude2.set_mu(0)
delay_mu(coarse_cycle)
self.offset.set_mu(0)
delay_mu(coarse_cycle)

20
artiq/coredevice/shiftreg.py
View File

@ -6,13 +6,15 @@ class ShiftReg:
"""Driver for shift registers/latch combos connected to TTLs"""
kernel_invariants = {"dt", "n"}
def __init__(self, dmgr, clk, ser, latch, n=32, dt=10*us):
def __init__(self, dmgr, clk, ser, latch, n=32, dt=10*us, ser_in=None):
self.core = dmgr.get("core")
self.clk = dmgr.get(clk)
self.ser = dmgr.get(ser)
self.latch = dmgr.get(latch)
self.n = n
self.dt = dt
if ser_in is not None:
self.ser_in = dmgr.get(ser_in)
@kernel
def set(self, data):
@ -34,3 +36,19 @@ class ShiftReg:
delay(self.dt)
self.latch.off()
delay(self.dt)
@kernel
def get(self):
delay(-2*(self.n + 1)*self.dt)
data = 0
for i in range(self.n):
data <<= 1
self.ser_in.sample_input()
if self.ser_in.sample_get():
data |= 1
delay(self.dt)
self.clk.on()
delay(self.dt)
self.clk.off()
delay(self.dt)
return data

346
artiq/coredevice/spi.py
View File

@ -1,346 +0,0 @@
"""
Driver for generic SPI on RTIO.
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
import numpy
from artiq.language.core import syscall, kernel, portable, now_mu, delay_mu
from artiq.language.types import TInt32, TNone
from artiq.language.units import MHz
from artiq.coredevice.rtio import rtio_output, rtio_input_data
__all__ = [
"SPI_DATA_ADDR", "SPI_XFER_ADDR", "SPI_CONFIG_ADDR",
"SPI_OFFLINE", "SPI_ACTIVE", "SPI_PENDING",
"SPI_CS_POLARITY", "SPI_CLK_POLARITY", "SPI_CLK_PHASE",
"SPI_LSB_FIRST", "SPI_HALF_DUPLEX",
"SPIMaster", "NRTSPIMaster"
]
SPI_DATA_ADDR, SPI_XFER_ADDR, SPI_CONFIG_ADDR = range(3)
(
SPI_OFFLINE,
SPI_ACTIVE,
SPI_PENDING,
SPI_CS_POLARITY,
SPI_CLK_POLARITY,
SPI_CLK_PHASE,
SPI_LSB_FIRST,
SPI_HALF_DUPLEX,
) = (1 << i for i in range(8))
SPI_RT2WB_READ = 1 << 2
class SPIMaster:
"""Core device Serial Peripheral Interface (SPI) bus master.
Owns one SPI bus.
**Transfer Sequence**:
* If desired, write the ``config`` register (:meth:`set_config`)
to configure and activate the core.
* If desired, write the ``xfer`` register (:meth:`set_xfer`)
to set ``cs_n``, ``write_length``, and ``read_length``.
* :meth:`write` to the ``data`` register (also for transfers with
zero bits to be written). Writing starts the transfer.
* If desired, :meth:`read_sync` (or :meth:`read_async` followed by a
:meth:`input_async` later) the ``data`` register corresponding to
the last completed transfer.
* If desired, :meth:`set_xfer` for the next transfer.
* If desired, :meth:`write` ``data`` queuing the next
(possibly chained) transfer.
**Notes**:
* In order to chain a transfer onto an in-flight transfer without
deasserting ``cs`` in between, the second :meth:`write` needs to
happen strictly later than ``2*ref_period_mu`` (two coarse RTIO
cycles) but strictly earlier than ``xfer_period_mu + write_period_mu``
after the first. Note that :meth:`write` already applies a delay of
``xfer_period_mu + write_period_mu``.
* A full transfer takes ``write_period_mu + xfer_period_mu``.
* Chained transfers can happen every ``xfer_period_mu``.
* Read data is available every ``xfer_period_mu`` starting
a bit after xfer_period_mu (depending on ``clk_phase``).
* As a consequence, in order to chain transfers together, new data must
be written before the pending transfer's read data becomes available.
:param channel: RTIO channel number of the SPI bus to control.
"""
kernel_invariants = {"core", "ref_period_mu", "channel"}
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
self.ref_period_mu = self.core.seconds_to_mu(
self.core.coarse_ref_period)
assert self.ref_period_mu == self.core.ref_multiplier
self.channel = channel
self.write_period_mu = numpy.int64(0)
self.read_period_mu = numpy.int64(0)
self.xfer_period_mu = numpy.int64(0)
@portable
def frequency_to_div(self, f):
return int(1/(f*self.core.mu_to_seconds(self.ref_period_mu))) + 1
@kernel
def set_config(self, flags=0, write_freq=20*MHz, read_freq=20*MHz):
"""Set the configuration register.
* If ``config.cs_polarity`` == 0 (``cs`` active low, the default),
"``cs_n`` all deasserted" means "all ``cs_n`` bits high".
* ``cs_n`` is not mandatory in the pads supplied to the gateware core.
Framing and chip selection can also be handled independently
through other means, e.g. ``TTLOut``.
* If there is a ``miso`` wire in the pads supplied in the gateware,
input and output may be two signals ("4-wire SPI"),
otherwise ``mosi`` must be used for both output and input
("3-wire SPI") and ``config.half_duplex`` must to be set
when reading data is desired or when the slave drives the
``mosi`` signal at any point.
* The first bit output on ``mosi`` is always the MSB/LSB (depending
on ``config.lsb_first``) of the ``data`` register, independent of
``xfer.write_length``. The last bit input from ``miso`` always ends
up in the LSB/MSB (respectively) of the ``data`` register,
independent of ``xfer.read_length``.
* Writes to the ``config`` register take effect immediately.
**Configuration flags**:
* :const:`SPI_OFFLINE`: all pins high-z (reset=1)
* :const:`SPI_ACTIVE`: transfer in progress (read-only)
* :const:`SPI_PENDING`: transfer pending in intermediate buffer
(read-only)
* :const:`SPI_CS_POLARITY`: active level of ``cs_n`` (reset=0)
* :const:`SPI_CLK_POLARITY`: idle level of ``clk`` (reset=0)
* :const:`SPI_CLK_PHASE`: first edge after ``cs`` assertion to sample
data on (reset=0). In Motorola/Freescale SPI language
(:const:`SPI_CLK_POLARITY`, :const:`SPI_CLK_PHASE`) == (CPOL, CPHA):
- (0, 0): idle low, output on falling, input on rising
- (0, 1): idle low, output on rising, input on falling
- (1, 0): idle high, output on rising, input on falling
- (1, 1): idle high, output on falling, input on rising
* :const:`SPI_LSB_FIRST`: LSB is the first bit on the wire (reset=0)
* :const:`SPI_HALF_DUPLEX`: 3-wire SPI, in/out on ``mosi`` (reset=0)
This method advances the timeline by the duration of the
RTIO-to-Wishbone bus transaction (three RTIO clock cycles).
:param flags: A bit map of `SPI_*` flags.
:param write_freq: Desired SPI clock frequency during write bits.
:param read_freq: Desired SPI clock frequency during read bits.
"""
self.set_config_mu(flags, self.frequency_to_div(write_freq),
self.frequency_to_div(read_freq))
@kernel
def set_config_mu(self, flags=0, write_div=6, read_div=6):
"""Set the ``config`` register (in SPI bus machine units).
.. seealso:: :meth:`set_config`
:param write_div: Counter load value to divide the RTIO
clock by to generate the SPI write clk. (minimum=2, reset=2)
``f_rtio_clk/f_spi_write == write_div``. If ``write_div`` is odd,
the setup phase of the SPI clock is biased to longer lengths
by one RTIO clock cycle.
:param read_div: Ditto for the read clock.
"""
if write_div > 257 or write_div < 2 or read_div > 257 or read_div < 2:
raise ValueError('Divider values out of range')
rtio_output(now_mu(), self.channel, SPI_CONFIG_ADDR, flags |
((write_div - 2) << 16) | ((read_div - 2) << 24))
self.write_period_mu = int(write_div*self.ref_period_mu)
self.read_period_mu = int(read_div*self.ref_period_mu)
delay_mu(3*self.ref_period_mu)
@kernel
def set_xfer(self, chip_select=0, write_length=0, read_length=0):
"""Set the ``xfer`` register.
* Every transfer consists of a write of ``write_length`` bits
immediately followed by a read of ``read_length`` bits.
* ``cs_n`` is asserted at the beginning and deasserted at the end
of the transfer if there is no other transfer pending.
* ``cs_n`` handling is agnostic to whether it is one-hot or decoded
somewhere downstream. If it is decoded, "``cs_n`` all deasserted"
should be handled accordingly (no slave selected).
If it is one-hot, asserting multiple slaves should only be attempted
if ``miso`` is either not connected between slaves, or open
collector, or correctly multiplexed externally.
* For 4-wire SPI only the sum of ``read_length`` and ``write_length``
matters. The behavior is the same (except for clock speeds) no matter
how the total transfer length is divided between the two. For
3-wire SPI, the direction of ``mosi`` is switched from output to
input after ``write_length`` bits.
* Data output on ``mosi`` in 4-wire SPI during the read cycles is what
is found in the data register at the time.
Data in the ``data`` register outside the least/most (depending
on ``config.lsb_first``) significant ``read_length`` bits is what is
seen on ``miso`` (or ``mosi`` if ``config.half_duplex``)
during the write cycles.
* Writes to ``xfer`` are synchronized to the start of the next
(possibly chained) transfer.
This method advances the timeline by the duration of the
RTIO-to-Wishbone bus transaction (three RTIO clock cycles).
:param chip_select: Bit mask of chip selects to assert. Or number of
the chip select to assert if ``cs`` is decoded downstream.
(reset=0)
:param write_length: Number of bits to write during the next transfer.
(reset=0)
:param read_length: Number of bits to read during the next transfer.
(reset=0)
"""
rtio_output(now_mu(), self.channel, SPI_XFER_ADDR,
chip_select | (write_length << 16) | (read_length << 24))
self.xfer_period_mu = int(write_length*self.write_period_mu +
read_length*self.read_period_mu)
delay_mu(3*self.ref_period_mu)
@kernel
def write(self, data=0):
"""Write data to data register.
* The ``data`` register and the shift register are 32 bits wide.
If there are no writes to the register, ``miso`` data reappears on
``mosi`` after 32 cycles.
* A wishbone data register write is acknowledged when the
transfer has been written to the intermediate buffer.
It will be started when there are no other transactions being
executed, either beginning a new SPI transfer of chained
to an in-flight transfer.
* Writes take three ``ref_period`` cycles unless another
chained transfer is pending and the transfer being
executed is not complete.
* The SPI ``data`` register is double-buffered: Once a transfer has
started, new write data can be written, queuing a new transfer.
Transfers submitted this way are chained and executed without
deasserting ``cs`` in between. Once a transfer completes,
the previous transfer's read data is available in the
``data`` register.
* For bit alignment and bit ordering see :meth:`set_config`.
This method advances the timeline by the duration of the SPI transfer.
If a transfer is to be chained, the timeline needs to be rewound.
"""
rtio_output(now_mu(), self.channel, SPI_DATA_ADDR, data)
delay_mu(self.xfer_period_mu + self.write_period_mu)
@kernel
def read_async(self):
"""Trigger an asynchronous read from the ``data`` register.
For bit alignment and bit ordering see :meth:`set_config`.
Reads always finish in two cycles.
Every data register read triggered by a :meth:`read_async`
must be matched by a :meth:`input_async` to retrieve the data.
This method advances the timeline by the duration of the
RTIO-to-Wishbone bus transaction (three RTIO clock cycles).
"""
rtio_output(now_mu(), self.channel, SPI_DATA_ADDR | SPI_RT2WB_READ, 0)
delay_mu(3*self.ref_period_mu)
@kernel
def input_async(self):
"""Retrieves data read asynchronously from the ``data`` register.
:meth:`input_async` must match a preeeding :meth:`read_async`.
"""
return rtio_input_data(self.channel)
@kernel
def read_sync(self):
"""Read the ``data`` register synchronously.
This is a shortcut for :meth:`read_async` followed by
:meth:`input_async`.
"""
self.read_async()
return self.input_async()
@kernel
def _get_xfer_sync(self):
rtio_output(now_mu(), self.channel, SPI_XFER_ADDR | SPI_RT2WB_READ, 0)
return rtio_input_data(self.channel)
@kernel
def _get_config_sync(self):
rtio_output(now_mu(), self.channel, SPI_CONFIG_ADDR | SPI_RT2WB_READ,
0)
return rtio_input_data(self.channel)
@syscall(flags={"nounwind", "nowrite"})
def spi_set_config(busno: TInt32, flags: TInt32, write_div: TInt32, read_div: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def spi_set_xfer(busno: TInt32, chip_select: TInt32, write_length: TInt32, read_length: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def spi_write(busno: TInt32, data: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def spi_read(busno: TInt32) -> TInt32:
raise NotImplementedError("syscall not simulated")
class NRTSPIMaster:
"""Core device non-realtime Serial Peripheral Interface (SPI) bus master.
Owns one non-realtime SPI bus.
With this driver, SPI transactions and are performed by the CPU without
involving RTIO.
Realtime and non-realtime buses are separate and defined at bitstream
compilation time.
See :class:`SPIMaster` for a description of the methods.
"""
def __init__(self, dmgr, busno=0, core_device="core"):
self.core = dmgr.get(core_device)
self.busno = busno
@kernel
def set_config_mu(self, flags=0, write_div=6, read_div=6):
"""Set the ``config`` register.
Note that the non-realtime SPI cores are usually clocked by the system
clock and not the RTIO clock. In many cases, the SPI configuration is
already set by the firmware and you do not need to call this method.
The offline bit cannot be set using this method.
The SPI bus is briefly taken offline when this method is called.
"""
spi_set_config(self.busno, flags, write_div, read_div)
@kernel
def set_xfer(self, chip_select=0, write_length=0, read_length=0):
spi_set_xfer(self.busno, chip_select, write_length, read_length)
@kernel
def write(self, data=0):
spi_write(self.busno, data)
@kernel
def read(self):
return spi_read(self.busno)

288
artiq/coredevice/spi2.py Normal file
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@ -0,0 +1,288 @@
"""
Driver for generic SPI on RTIO.
This ARTIQ coredevice driver corresponds to the "new" MiSoC SPI core (v2).
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
from artiq.language.core import syscall, kernel, portable, delay_mu
from artiq.language.types import TInt32, TNone
from artiq.coredevice.rtio import rtio_output, rtio_input_data
__all__ = [
"SPI_DATA_ADDR", "SPI_CONFIG_ADDR",
"SPI_OFFLINE", "SPI_END", "SPI_INPUT",
"SPI_CS_POLARITY", "SPI_CLK_POLARITY", "SPI_CLK_PHASE",
"SPI_LSB_FIRST", "SPI_HALF_DUPLEX",
"SPIMaster", "NRTSPIMaster"
]
SPI_DATA_ADDR = 0
SPI_CONFIG_ADDR = 1
SPI_OFFLINE = 0x01
SPI_END = 0x02
SPI_INPUT = 0x04
SPI_CS_POLARITY = 0x08
SPI_CLK_POLARITY = 0x10
SPI_CLK_PHASE = 0x20
SPI_LSB_FIRST = 0x40
SPI_HALF_DUPLEX = 0x80
class SPIMaster:
"""Core device Serial Peripheral Interface (SPI) bus master.
Owns one SPI bus.
This ARTIQ coredevice driver corresponds to the "new" MiSoC SPI core (v2).
**Transfer Sequence**:
* If necessary, set the ``config`` register (:meth:`set_config` and
:meth:`set_config_mu`) to activate and configure the core and to set
various transfer parameters like transfer length, clock divider,
and chip selects.
* :meth:`write` to the ``data`` register. Writing starts the transfer.
* If the transfer included submitting the SPI input data as an RTIO input
event (``SPI_INPUT`` set), then :meth:`read` the ``data``.
* If ``SPI_END`` was not set, repeat the transfer sequence.
A **transaction** consists of one or more **transfers**. The chip select
pattern is asserted for the entire length of the transaction. All but the
last transfer are submitted with ``SPI_END`` cleared in the configuration
register.
:param channel: RTIO channel number of the SPI bus to control.
:param div: Initial CLK divider, see also: :meth:`update_xfer_duration_mu`
:param length: Initial transfer length, see also:
:meth:`update_xfer_duration_mu`
:param core_device: Core device name
"""
kernel_invariants = {"core", "ref_period_mu", "channel"}
def __init__(self, dmgr, channel, div=0, length=0, core_device="core"):
self.core = dmgr.get(core_device)
self.ref_period_mu = self.core.seconds_to_mu(
self.core.coarse_ref_period)
assert self.ref_period_mu == self.core.ref_multiplier
self.channel = channel
self.update_xfer_duration_mu(div, length)
@portable
def frequency_to_div(self, f):
"""Convert a SPI clock frequency to the closest SPI clock divider."""
return int(round(1/(f*self.core.mu_to_seconds(self.ref_period_mu))))
@kernel
def set_config(self, flags, length, freq, cs):
"""Set the configuration register.
* If ``SPI_CS_POLARITY`` is cleared (``cs`` active low, the default),
"``cs`` all deasserted" means "all ``cs_n`` bits high".
* ``cs_n`` is not mandatory in the pads supplied to the gateware core.
Framing and chip selection can also be handled independently
through other means, e.g. ``TTLOut``.
* If there is a ``miso`` wire in the pads supplied in the gateware,
input and output may be two signals ("4-wire SPI"),
otherwise ``mosi`` must be used for both output and input
("3-wire SPI") and ``SPI_HALF_DUPLEX`` must to be set
when reading data or when the slave drives the
``mosi`` signal at any point.
* The first bit output on ``mosi`` is always the MSB/LSB (depending
on ``SPI_LSB_FIRST``) of the ``data`` written, independent of
the ``length`` of the transfer. The last bit input from ``miso``
always ends up in the LSB/MSB (respectively) of the ``data`` read,
independent of the ``length`` of the transfer.
* ``cs`` is asserted at the beginning and deasserted at the end
of the transaction.
* ``cs`` handling is agnostic to whether it is one-hot or decoded
somewhere downstream. If it is decoded, "``cs`` all deasserted"
should be handled accordingly (no slave selected).
If it is one-hot, asserting multiple slaves should only be attempted
if ``miso`` is either not connected between slaves, or open
collector, or correctly multiplexed externally.
* Changes to the configuration register take effect on the start of the
next transfer with the exception of ``SPI_OFFLINE`` which takes
effect immediately.
* The SPI core can only be written to when it is idle or waiting
for the next transfer data. Writing (:meth:`set_config`,
:meth:`set_config_mu` or :meth:`write`)
when the core is busy will result in an RTIO busy error being logged.
This method advances the timeline by one coarse RTIO clock cycle.
**Configuration flags**:
* :const:`SPI_OFFLINE`: all pins high-z (reset=1)
* :const:`SPI_END`: transfer in progress (reset=1)
* :const:`SPI_INPUT`: submit SPI read data as RTIO input event when
transfer is complete (reset=0)
* :const:`SPI_CS_POLARITY`: active level of ``cs_n`` (reset=0)
* :const:`SPI_CLK_POLARITY`: idle level of ``clk`` (reset=0)
* :const:`SPI_CLK_PHASE`: first edge after ``cs`` assertion to sample
data on (reset=0). In Motorola/Freescale SPI language
(:const:`SPI_CLK_POLARITY`, :const:`SPI_CLK_PHASE`) == (CPOL, CPHA):
- (0, 0): idle low, output on falling, input on rising
- (0, 1): idle low, output on rising, input on falling
- (1, 0): idle high, output on rising, input on falling
- (1, 1): idle high, output on falling, input on rising
* :const:`SPI_LSB_FIRST`: LSB is the first bit on the wire (reset=0)
* :const:`SPI_HALF_DUPLEX`: 3-wire SPI, in/out on ``mosi`` (reset=0)
:param flags: A bit map of `SPI_*` flags.
:param length: Number of bits to write during the next transfer.
(reset=1)
:param freq: Desired SPI clock frequency. (reset=f_rtio/2)
:param cs: Bit pattern of chip selects to assert.
Or number of the chip select to assert if ``cs`` is decoded
downstream. (reset=0)
"""
self.set_config_mu(flags, length, self.frequency_to_div(freq), cs)
@kernel
def set_config_mu(self, flags, length, div, cs):
"""Set the ``config`` register (in SPI bus machine units).
.. seealso:: :meth:`set_config`
:param flags: A bit map of `SPI_*` flags.
:param length: Number of bits to write during the next transfer.
(reset=1)
:param div: Counter load value to divide the RTIO
clock by to generate the SPI clock. (minimum=2, reset=2)
``f_rtio_clk/f_spi == div``. If ``div`` is odd,
the setup phase of the SPI clock is one coarse RTIO clock cycle
longer than the hold phase.
:param cs: Bit pattern of chip selects to assert.
Or number of the chip select to assert if ``cs`` is decoded
downstream. (reset=0)
"""
if length > 32 or length < 1:
raise ValueError("Invalid SPI transfer length")
if div > 257 or div < 2:
raise ValueError("Invalid SPI clock divider")
rtio_output((self.channel << 8) | SPI_CONFIG_ADDR, flags |
((length - 1) << 8) | ((div - 2) << 16) | (cs << 24))
self.update_xfer_duration_mu(div, length)
delay_mu(self.ref_period_mu)
@portable
def update_xfer_duration_mu(self, div, length):
"""Calculate and set the transfer duration.
This method updates the SPI transfer duration which is used
in :meth:`write` to advance the timeline.
Use this method (and avoid having to call :meth:`set_config_mu`)
when the divider and transfer length have been configured
(using :meth:`set_config` or :meth:`set_config_mu`) by previous
experiments and are known.
This method is portable and can also be called from e.g.
:meth:`__init__`.
.. warning:: If this method is called while recording a DMA
sequence, the playback of the sequence will not update the
driver state.
When required, update the driver state manually (by calling
this method) after playing back a DMA sequence.
:param div: SPI clock divider (see: :meth:`set_config_mu`)
:param length: SPI transfer length (see: :meth:`set_config_mu`)
"""
self.xfer_duration_mu = ((length + 1)*div + 1)*self.ref_period_mu
@kernel
def write(self, data):
"""Write SPI data to shift register register and start transfer.
* The ``data`` register and the shift register are 32 bits wide.
* Data writes take one ``ref_period`` cycle.
* A transaction consisting of a single transfer (``SPI_END``) takes
:attr:`xfer_duration_mu` ``=(n + 1)*div`` cycles RTIO time where
``n`` is the number of bits and ``div`` is the SPI clock divider.
* Transfers in a multi-transfer transaction take up to one SPI clock
cycle less time depending on multiple parameters. Advanced users may
rewind the timeline appropriately to achieve faster multi-transfer
transactions.
* The SPI core will be busy for the duration of the SPI transfer.
* For bit alignment and bit ordering see :meth:`set_config`.
* The SPI core can only be written to when it is idle or waiting
for the next transfer data. Writing (:meth:`set_config`,
:meth:`set_config_mu` or :meth:`write`)
when the core is busy will result in an RTIO busy error being logged.
This method advances the timeline by the duration of one
single-transfer SPI transaction (:attr:`xfer_duration_mu`).
:param data: SPI output data to be written.
"""
rtio_output((self.channel << 8) | SPI_DATA_ADDR, data)
delay_mu(self.xfer_duration_mu)
@kernel
def read(self):
"""Read SPI data submitted by the SPI core.
For bit alignment and bit ordering see :meth:`set_config`.
This method does not alter the timeline.
:return: SPI input data.
"""
return rtio_input_data(self.channel)
@syscall(flags={"nounwind", "nowrite"})
def spi_set_config(busno: TInt32, flags: TInt32, length: TInt32, div: TInt32, cs: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def spi_write(busno: TInt32, data: TInt32) -> TNone:
raise NotImplementedError("syscall not simulated")
@syscall(flags={"nounwind", "nowrite"})
def spi_read(busno: TInt32) -> TInt32:
raise NotImplementedError("syscall not simulated")
class NRTSPIMaster:
"""Core device non-realtime Serial Peripheral Interface (SPI) bus master.
Owns one non-realtime SPI bus.
With this driver, SPI transactions and are performed by the CPU without
involving RTIO.
Realtime and non-realtime buses are separate and defined at bitstream
compilation time.
See :class:`SPIMaster` for a description of the methods.
"""
def __init__(self, dmgr, busno=0, core_device="core"):
self.core = dmgr.get(core_device)
self.busno = busno
@kernel
def set_config_mu(self, flags=0, length=8, div=6, cs=1):
"""Set the ``config`` register.
Note that the non-realtime SPI cores are usually clocked by the system
clock and not the RTIO clock. In many cases, the SPI configuration is
already set by the firmware and you do not need to call this method.
"""
spi_set_config(self.busno, flags, length, div, cs)
@kernel
def write(self, data=0):
spi_write(self.busno, data)
@kernel
def read(self):
return spi_read(self.busno)

10
artiq/coredevice/spline.py
View File

@ -1,5 +1,5 @@
from numpy import int32, int64
from artiq.language.core import kernel, now_mu, portable, delay
from artiq.language.core import kernel, portable, delay
from artiq.coredevice.rtio import rtio_output, rtio_output_wide
from artiq.language.types import TInt32, TInt64, TFloat
@ -65,7 +65,7 @@ class Spline:
:param value: Spline value in integer machine units.
"""
rtio_output(now_mu(), self.channel, 0, value)
rtio_output(self.channel << 8, value)
@kernel(flags={"fast-math"})
def set(self, value: TFloat):
@ -76,9 +76,9 @@ class Spline:
if self.width > 32:
l = [int32(0)] * 2
self.pack_coeff_mu([self.to_mu64(value)], l)
rtio_output_wide(now_mu(), self.channel, 0, l)
rtio_output_wide(self.channel << 8, l)
else:
rtio_output(now_mu(), self.channel, 0, self.to_mu(value))
rtio_output(self.channel << 8, self.to_mu(value))
@kernel
def set_coeff_mu(self, value): # TList(TInt32)
@ -86,7 +86,7 @@ class Spline:
:param value: Spline packed raw values.
"""
rtio_output_wide(now_mu(), self.channel, 0, value)
rtio_output_wide(self.channel << 8, value)
@portable(flags={"fast-math"})
def pack_coeff_mu(self, coeff, packed): # TList(TInt64), TList(TInt32)

564
artiq/coredevice/suservo.py Normal file
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@ -0,0 +1,564 @@
from artiq.language.core import kernel, delay, delay_mu, portable
from artiq.language.units import us, ns
from artiq.coredevice.rtio import rtio_output, rtio_input_data
from artiq.coredevice import spi2 as spi
from artiq.coredevice import urukul, sampler
COEFF_WIDTH = 18
Y_FULL_SCALE_MU = (1 << (COEFF_WIDTH - 1)) - 1
COEFF_DEPTH = 10 + 1
WE = 1 << COEFF_DEPTH + 1
STATE_SEL = 1 << COEFF_DEPTH
CONFIG_SEL = 1 << COEFF_DEPTH - 1
CONFIG_ADDR = CONFIG_SEL | STATE_SEL
T_CYCLE = (2*(8 + 64) + 2)*8*ns # Must match gateware Servo.t_cycle.
COEFF_SHIFT = 11
@portable
def y_mu_to_full_scale(y):
"""Convert servo Y data from machine units to units of full scale."""
return y / Y_FULL_SCALE_MU
@portable
def adc_mu_to_volts(x, gain):
"""Convert servo ADC data from machine units to Volt."""
val = (x >> 1) & 0xffff
mask = 1 << 15
val = -(val & mask) + (val & ~mask)
return sampler.adc_mu_to_volt(val, gain)
class SUServo:
"""Sampler-Urukul Servo parent and configuration device.
Sampler-Urukul Servo is a integrated device controlling one
8-channel ADC (Sampler) and two 4-channel DDS (Urukuls) with a DSP engine
connecting the ADC data and the DDS output amplitudes to enable
feedback. SU Servo can for example be used to implement intensity
stabilization of laser beams with an amplifier and AOM driven by Urukul
and a photodetector connected to Sampler.
Additionally SU Servo supports multiple preconfigured profiles per channel
and features like automatic integrator hold.
Notes:
* See the SU Servo variant of the Kasli target for an example of how to
connect the gateware and the devices. Sampler and each Urukul need
two EEM connections.
* Ensure that both Urukuls are AD9910 variants and have the on-board
dip switches set to 1100 (first two on, last two off).
* Refer to the Sampler and Urukul documentation and the SU Servo
example device database for runtime configuration of the devices
(PLLs, gains, clock routing etc.)
:param channel: RTIO channel number
:param pgia_device: Name of the Sampler PGIA gain setting SPI bus
:param cpld0_device: Name of the first Urukul CPLD SPI bus
:param cpld1_device: Name of the second Urukul CPLD SPI bus
:param dds0_device: Name of the AD9910 device for the DDS on the first
Urukul
:param dds1_device: Name of the AD9910 device for the DDS on the second
Urukul
:param gains: Initial value for PGIA gains shift register
(default: 0x0000). Knowledge of this state is not transferred
between experiments.
:param core_device: Core device name
"""
kernel_invariants = {"channel", "core", "pgia", "cpld0", "cpld1",
"dds0", "dds1", "ref_period_mu"}
def __init__(self, dmgr, channel, pgia_device,
cpld0_device, cpld1_device,
dds0_device, dds1_device,
gains=0x0000, core_device="core"):
self.core = dmgr.get(core_device)
self.pgia = dmgr.get(pgia_device)
self.pgia.update_xfer_duration_mu(div=4, length=16)
self.dds0 = dmgr.get(dds0_device)
self.dds1 = dmgr.get(dds1_device)
self.cpld0 = dmgr.get(cpld0_device)
self.cpld1 = dmgr.get(cpld1_device)
self.channel = channel
self.gains = gains
self.ref_period_mu = self.core.seconds_to_mu(
self.core.coarse_ref_period)
assert self.ref_period_mu == self.core.ref_multiplier
@kernel
def init(self):
"""Initialize the servo, Sampler and both Urukuls.
Leaves the servo disabled (see :meth:`set_config`), resets and
configures all DDS.
Urukul initialization is performed blindly as there is no readback from
the DDS or the CPLDs.
This method does not alter the profile configuration memory
or the channel controls.
"""
self.set_config(enable=0)
delay(3*us) # pipeline flush
self.pgia.set_config_mu(
sampler.SPI_CONFIG | spi.SPI_END,
16, 4, sampler.SPI_CS_PGIA)
self.cpld0.init(blind=True)
cfg0 = self.cpld0.cfg_reg
self.cpld0.cfg_write(cfg0 | (0xf << urukul.CFG_MASK_NU))
self.dds0.init(blind=True)
self.cpld0.cfg_write(cfg0)
self.cpld1.init(blind=True)
cfg1 = self.cpld1.cfg_reg
self.cpld1.cfg_write(cfg1 | (0xf << urukul.CFG_MASK_NU))
self.dds1.init(blind=True)
self.cpld1.cfg_write(cfg1)
@kernel
def write(self, addr, value):
"""Write to servo memory.
This method advances the timeline by one coarse RTIO cycle.
:param addr: Memory location address.
:param value: Data to be written.
"""
addr |= WE
value &= (1 << COEFF_WIDTH) - 1
value |= (addr >> 8) << COEFF_WIDTH
addr = addr & 0xff
rtio_output((self.channel << 8) | addr, value)
delay_mu(self.ref_period_mu)
@kernel
def read(self, addr):
"""Read from servo memory.
This method does not advance the timeline but consumes all slack.
:param addr: Memory location address.
"""
value = (addr >> 8) << COEFF_WIDTH
addr = addr & 0xff
rtio_output((self.channel << 8) | addr, value)
return rtio_input_data(self.channel)
@kernel
def set_config(self, enable):
"""Set SU Servo configuration.
This method advances the timeline by one servo memory access.
It does not support RTIO event replacement.
:param enable (int): Enable servo operation. Enabling starts servo
iterations beginning with the ADC sampling stage. The first DDS
update will happen about two servo cycles (~2.3 µs) after enabling
the servo. The delay is deterministic.
This also provides a mean for synchronization of servo updates to
other RTIO activity.
Disabling takes up to two servo cycles (~2.3 µs) to clear the
processing pipeline.
"""
self.write(CONFIG_ADDR, enable)
@kernel
def get_status(self):
"""Get current SU Servo status.
This method does not advance the timeline but consumes all slack.
The ``done`` bit indicates that a SU Servo cycle has completed.
It is pulsed for one RTIO cycle every SU Servo cycle and asserted
continuously when the servo is not ``enabled`` and the pipeline has
drained (the last DDS update is done).
This method returns and clears the clip indicator for all channels.
An asserted clip indicator corresponds to the servo having encountered
an input signal on an active channel that would have resulted in the
IIR state exceeding the output range.
:return: Status. Bit 0: enabled, bit 1: done,
bits 8-15: channel clip indicators.
"""
return self.read(CONFIG_ADDR)
@kernel
def get_adc_mu(self, adc):
"""Get the latest ADC reading (IIR filter input X0) in machine units.
This method does not advance the timeline but consumes all slack.
If reading servo state through this method collides with the servo
writing that same data, the data can become invalid. To ensure
consistent and valid data, stop the servo before using this method.
:param adc: ADC channel number (0-7)
:return: 17 bit signed X0
"""
# State memory entries are 25 bits. Due to the pre-adder dynamic
# range, X0/X1/OFFSET are only 24 bits. Finally, the RTIO interface
# only returns the 18 MSBs (the width of the coefficient memory).
return self.read(STATE_SEL | (adc << 1) | (1 << 8))
@kernel
def set_pgia_mu(self, channel, gain):
"""Set instrumentation amplifier gain of a ADC channel.
The four gain settings (0, 1, 2, 3) corresponds to gains of
(1, 10, 100, 1000) respectively.
:param channel: Channel index
:param gain: Gain setting
"""
gains = self.gains
gains &= ~(0b11 << (channel*2))
gains |= gain << (channel*2)
self.pgia.write(gains << 16)
self.gains = gains
@kernel
def get_adc(self, channel):
"""Get the latest ADC reading (IIR filter input X0).
This method does not advance the timeline but consumes all slack.
If reading servo state through this method collides with the servo
writing that same data, the data can become invalid. To ensure
consistent and valid data, stop the servo before using this method.
The PGIA gain setting must be known prior to using this method, either
by setting the gain (:meth:`set_pgia_mu`) or by supplying it
(:attr:`gains` or via the constructor/device database).
:param adc: ADC channel number (0-7)
:return: ADC voltage
"""
val = self.get_adc_mu(channel)
gain = (self.gains >> (channel*2)) & 0b11
return adc_mu_to_volts(val, gain)
class Channel:
"""Sampler-Urukul Servo channel
:param channel: RTIO channel number
:param servo_device: Name of the parent SUServo device
"""
kernel_invariants = {"channel", "core", "servo", "servo_channel"}
def __init__(self, dmgr, channel, servo_device):
self.servo = dmgr.get(servo_device)
self.core = self.servo.core
self.channel = channel
# FIXME: this assumes the mem channel is right after the control
# channels
self.servo_channel = self.channel + 8 - self.servo.channel
@kernel
def set(self, en_out, en_iir=0, profile=0):
"""Operate channel.
This method does not advance the timeline. Output RF switch setting
takes effect immediately and is independent of any other activity
(profile settings, other channels). The RF switch behaves like
:class:`artiq.coredevice.ttl.TTLOut`. RTIO event replacement is
supported. IIR updates take place once the RF switch has been enabled
for the configured delay and the profile setting has been stable.
Profile changes take between one and two servo cycles to reach the DDS.
:param en_out: RF switch enable
:param en_iir: IIR updates enable
:param profile: Active profile (0-31)
"""
rtio_output(self.channel << 8,
en_out | (en_iir << 1) | (profile << 2))
@kernel
def set_dds_mu(self, profile, ftw, offs, pow_=0):
"""Set profile DDS coefficients in machine units.
.. seealso:: :meth:`set_amplitude`
:param profile: Profile number (0-31)
:param ftw: Frequency tuning word (32 bit unsigned)
:param offs: IIR offset (17 bit signed)
:param pow_: Phase offset word (16 bit)
"""
base = (self.servo_channel << 8) | (profile << 3)
self.servo.write(base + 0, ftw >> 16)
self.servo.write(base + 6, (ftw & 0xffff))
self.set_dds_offset_mu(profile, offs)
self.servo.write(base + 2, pow_)
@kernel
def set_dds(self, profile, frequency, offset, phase=0.):
"""Set profile DDS coefficients.
This method advances the timeline by four servo memory accesses.
Profile parameter changes are not synchronized. Activate a different
profile or stop the servo to ensure synchronous changes.
:param profile: Profile number (0-31)
:param frequency: DDS frequency in Hz
:param offset: IIR offset (negative setpoint) in units of full scale,
see :meth:`dds_offset_to_mu`
:param phase: DDS phase in turns
"""
if self.servo_channel < 4:
dds = self.servo.dds0
else:
dds = self.servo.dds1
ftw = dds.frequency_to_ftw(frequency)
pow_ = dds.turns_to_pow(phase)
offs = self.dds_offset_to_mu(offset)
self.set_dds_mu(profile, ftw, offs, pow_)
@kernel
def set_dds_offset_mu(self, profile, offs):
"""Set only IIR offset in DDS coefficient profile.
See :meth:`set_dds_mu` for setting the complete DDS profile.
:param profile: Profile number (0-31)
:param offs: IIR offset (17 bit signed)
"""
base = (self.servo_channel << 8) | (profile << 3)
self.servo.write(base + 4, offs)
@kernel
def set_dds_offset(self, profile, offset):
"""Set only IIR offset in DDS coefficient profile.
See :meth:`set_dds` for setting the complete DDS profile.
:param profile: Profile number (0-31)
:param offset: IIR offset (negative setpoint) in units of full scale
"""
self.set_dds_offset_mu(profile, self.dds_offset_to_mu(offset))
@portable
def dds_offset_to_mu(self, offset):
"""Convert IIR offset (negative setpoint) from units of full scale to
machine units (see :meth:`set_dds_mu`, :meth:`set_dds_offset_mu`).
For positive ADC voltages as setpoints, this should be negative. Due to
rounding and representation as two's complement, ``offset=1`` can not
be represented while ``offset=-1`` can.
"""
return int(round(offset * (1 << COEFF_WIDTH - 1)))
@kernel
def set_iir_mu(self, profile, adc, a1, b0, b1, dly=0):
"""Set profile IIR coefficients in machine units.
The recurrence relation is (all data signed and MSB aligned):
.. math::
a_0 y_n = a_1 y_{n - 1} + b_0 (x_n + o)/2 + b_1 (x_{n - 1} + o)/2
Where:
* :math:`y_n` and :math:`y_{n-1}` are the current and previous
filter outputs, clipped to :math:`[0, 1[`.
* :math:`x_n` and :math:`x_{n-1}` are the current and previous
filter inputs in :math:`[-1, 1[`.
* :math:`o` is the offset
* :math:`a_0` is the normalization factor :math:`2^{11}`
* :math:`a_1` is the feedback gain
* :math:`b_0` and :math:`b_1` are the feedforward gains for the two
delays
.. seealso:: :meth:`set_iir`
:param profile: Profile number (0-31)
:param adc: ADC channel to take IIR input from (0-7)
:param a1: 18 bit signed A1 coefficient (Y1 coefficient,
feedback, integrator gain)
:param b0: 18 bit signed B0 coefficient (recent,
X0 coefficient, feed forward, proportional gain)
:param b1: 18 bit signed B1 coefficient (old,
X1 coefficient, feed forward, proportional gain)
:param dly: IIR update suppression time. In units of IIR cycles
(~1.2 µs, 0-255).
"""
base = (self.servo_channel << 8) | (profile << 3)
self.servo.write(base + 3, adc | (dly << 8))
self.servo.write(base + 1, b1)
self.servo.write(base + 5, a1)
self.servo.write(base + 7, b0)
@kernel
def set_iir(self, profile, adc, kp, ki=0., g=0., delay=0.):
"""Set profile IIR coefficients.
This method advances the timeline by four servo memory accesses.
Profile parameter changes are not synchronized. Activate a different
profile or stop the servo to ensure synchronous changes.
Gains are given in units of output full per scale per input full scale.
The transfer function is (up to time discretization and
coefficient quantization errors):
.. math::
H(s) = k_p + \\frac{k_i}{s + \\frac{k_i}{g}}
Where:
* :math:`s = \\sigma + i\\omega` is the complex frequency
* :math:`k_p` is the proportional gain
* :math:`k_i` is the integrator gain
* :math:`g` is the integrator gain limit
:param profile: Profile number (0-31)
:param adc: ADC channel to take IIR input from (0-7)
:param kp: Proportional gain (1). This is usually negative (closed
loop, positive ADC voltage, positive setpoint). When 0, this
implements a pure I controller.
:param ki: Integrator gain (rad/s). When 0 (the default)
this implements a pure P controller. Same sign as ``kp``.
:param g: Integrator gain limit (1). When 0 (the default) the
integrator gain limit is infinite. Same sign as ``ki``.
:param delay: Delay (in seconds, 0-300 µs) before allowing IIR updates
after invoking :meth:`set`. This is rounded to the nearest number
of servo cycles (~1.2 µs). Since the RF switch (:meth:`set`) can be
opened at any time relative to the servo cycle, the first DDS
update that carries updated IIR data will occur approximately
between ``delay + 1 cycle`` and ``delay + 2 cycles`` after
:meth:`set`.
"""
B_NORM = 1 << COEFF_SHIFT + 1
A_NORM = 1 << COEFF_SHIFT
COEFF_MAX = 1 << COEFF_WIDTH - 1
kp *= B_NORM
if ki == 0.:
# pure P
a1 = 0
b1 = 0
b0 = int(round(kp))
else:
# I or PI
ki *= B_NORM*T_CYCLE/2.
if g == 0.:
c = 1.
a1 = A_NORM
else:
c = 1./(1. + ki/(g*B_NORM))
a1 = int(round((2.*c - 1.)*A_NORM))
b0 = int(round(kp + ki*c))
b1 = int(round(kp + (ki - 2.*kp)*c))
if b1 == -b0:
raise ValueError("low integrator gain and/or gain limit")
if (b0 >= COEFF_MAX or b0 < -COEFF_MAX or
b1 >= COEFF_MAX or b1 < -COEFF_MAX):
raise ValueError("high gains")
dly = int(round(delay/T_CYCLE))
self.set_iir_mu(profile, adc, a1, b0, b1, dly)
@kernel
def get_profile_mu(self, profile, data):
"""Retrieve profile data.
Profile data is returned in the ``data`` argument in machine units
packed as: ``[ftw >> 16, b1, pow, adc | (delay << 8), offset, a1,
ftw & 0xffff, b0]``.
.. seealso:: The individual fields are described in
:meth:`set_iir_mu` and :meth:`set_dds_mu`.
This method advances the timeline by 32 µs and consumes all slack.
:param profile: Profile number (0-31)
:param data: List of 8 integers to write the profile data into
"""
base = (self.servo_channel << 8) | (profile << 3)
for i in range(len(data)):
data[i] = self.servo.read(base + i)
delay(4*us)
@kernel
def get_y_mu(self, profile):
"""Get a profile's IIR state (filter output, Y0) in machine units.
The IIR state is also know as the "integrator", or the DDS amplitude
scale factor. It is 17 bits wide and unsigned.
This method does not advance the timeline but consumes all slack.
If reading servo state through this method collides with the servo
writing that same data, the data can become invalid. To ensure
consistent and valid data, stop the servo before using this method.
:param profile: Profile number (0-31)
:return: 17 bit unsigned Y0
"""
return self.servo.read(STATE_SEL | (self.servo_channel << 5) | profile)
@kernel
def get_y(self, profile):
"""Get a profile's IIR state (filter output, Y0).
The IIR state is also know as the "integrator", or the DDS amplitude
scale factor. It is 17 bits wide and unsigned.
This method does not advance the timeline but consumes all slack.
If reading servo state through this method collides with the servo
writing that same data, the data can become invalid. To ensure
consistent and valid data, stop the servo before using this method.
:param profile: Profile number (0-31)
:return: IIR filter output in Y0 units of full scale
"""
return y_mu_to_full_scale(self.get_y_mu(profile))
@kernel
def set_y_mu(self, profile, y):
"""Set a profile's IIR state (filter output, Y0) in machine units.
The IIR state is also know as the "integrator", or the DDS amplitude
scale factor. It is 17 bits wide and unsigned.
This method must not be used when the servo could be writing to the
same location. Either deactivate the profile, or deactivate IIR
updates, or disable servo iterations.
This method advances the timeline by one servo memory access.
:param profile: Profile number (0-31)
:param y: 17 bit unsigned Y0
"""
# State memory is 25 bits wide and signed.
# Reads interact with the 18 MSBs (coefficient memory width)
self.servo.write(STATE_SEL | (self.servo_channel << 5) | profile, y)
@kernel
def set_y(self, profile, y):
"""Set a profile's IIR state (filter output, Y0).
The IIR state is also know as the "integrator", or the DDS amplitude
scale factor. It is 17 bits wide and unsigned.
This method must not be used when the servo could be writing to the
same location. Either deactivate the profile, or deactivate IIR
updates, or disable servo iterations.
This method advances the timeline by one servo memory access.
:param profile: Profile number (0-31)
:param y: IIR state in units of full scale
"""
y_mu = int(round(y * Y_FULL_SCALE_MU))
if y_mu < 0 or y_mu > (1 << 17) - 1:
raise ValueError("Invalid SUServo y-value!")
self.set_y_mu(profile, y_mu)
return y_mu

133
artiq/coredevice/trf372017.py Normal file
View File

@ -0,0 +1,133 @@
class TRF372017:
"""TRF372017 settings and register map.
For possible values, documentation, and explanation, see the datasheet.
https://www.ti.com/lit/gpn/trf372017
"""
rdiv = 21 # 13b
ref_inv = 0
neg_vco = 1
icp = 0 # 1.94 mA, 5b
icp_double = 0
cal_clk_sel = 12 # /16, 4b
ndiv = 420 # 16b
pll_div_sel = 0 # /1, 2b
prsc_sel = 1 # 8/9
vco_sel = 2 # 2b
vcosel_mode = 0
cal_acc = 0b00 # 2b
en_cal = 1
nfrac = 0 # 25b
pwd_pll = 0
pwd_cp = 0
pwd_vco = 0
pwd_vcomux = 0
pwd_div124 = 0
pwd_presc = 0
pwd_out_buff = 1
pwd_lo_div = 1
pwd_tx_div = 0
pwd_bb_vcm = 0
pwd_dc_off = 0
en_extvco = 0
en_isource = 0
ld_ana_prec = 0 # 2b
cp_tristate = 0 # 2b
speedup = 0
ld_dig_prec = 1
en_dith = 1
mod_ord = 2 # 3rd order, 2b
dith_sel = 0
del_sd_clk = 2 # 2b
en_frac = 0
vcobias_rtrim = 4 # 3b
pllbias_rtrim = 2 # 2b
vco_bias = 8 # 460 µA, 4b
vcobuf_bias = 2 # 2b
vcomux_bias = 3 # 2b
bufout_bias = 0 # 300 µA, 2b
vco_cal_ib = 0 # PTAT
vco_cal_ref = 2 # 1.04 V, 2b
vco_ampl_ctrl = 3 # 2b
vco_vb_ctrl = 0 # 1.2 V, 2b
en_ld_isource = 0
ioff = 0x80 # 8b
qoff = 0x80 # 8b
vref_sel = 4 # 0.85 V, 3b
tx_div_sel = 1 # div2, 2b
lo_div_sel = 3 # div8, 2b
tx_div_bias = 1 # 37.5 µA, 2b
lo_div_bias = 2 # 50 µA, 2b
vco_trim = 0x20 # 6b
vco_test_mode = 0
cal_bypass = 0
mux_ctrl = 1 # lock detect, 3b
isource_sink = 0
isource_trim = 4 # 3b
pd_tc = 0 # 2b
ib_vcm_sel = 0 # ptat
dcoffset_i = 2 # 150 µA, 2b
vco_bias_sel = 1 # spi
def __init__(self, updates=None):
if updates is None:
return
for key, value in updates.items():
if not hasattr(self, key):
raise KeyError("invalid setting", key)
setattr(self, key, value)
def get_mmap(self):
mmap = []
mmap.append(
0x9 |
(self.rdiv << 5) | (self.ref_inv << 19) | (self.neg_vco << 20) |
(self.icp << 21) | (self.icp_double << 26) |
(self.cal_clk_sel << 27))
mmap.append(
0xa |
(self.ndiv << 5) | (self.pll_div_sel << 21) | (self.prsc_sel << 23) |
(self.vco_sel << 26) | (self.vcosel_mode << 28) |
(self.cal_acc << 29) | (self.en_cal << 31))
mmap.append(0xb | (self.nfrac << 5))
mmap.append(
0xc |
(self.pwd_pll << 5) | (self.pwd_cp << 6) | (self.pwd_vco << 7) |
(self.pwd_vcomux << 8) | (self.pwd_div124 << 9) |
(self.pwd_presc << 10) | (self.pwd_out_buff << 12) |
(self.pwd_lo_div << 13) | (self.pwd_tx_div << 14) |
(self.pwd_bb_vcm << 15) | (self.pwd_dc_off << 16) |
(self.en_extvco << 17) | (self.en_isource << 18) |
(self.ld_ana_prec << 19) | (self.cp_tristate << 21) |
(self.speedup << 23) | (self.ld_dig_prec << 24) |
(self.en_dith << 25) | (self.mod_ord << 26) |
(self.dith_sel << 28) | (self.del_sd_clk << 29) |
(self.en_frac << 31))
mmap.append(
0xd |
(self.vcobias_rtrim << 5) | (self.pllbias_rtrim << 8) |
(self.vco_bias << 10) | (self.vcobuf_bias << 14) |
(self.vcomux_bias << 16) | (self.bufout_bias << 18) |
(1 << 21) | (self.vco_cal_ib << 22) | (self.vco_cal_ref << 23) |
(self.vco_ampl_ctrl << 26) | (self.vco_vb_ctrl << 28) |
(self.en_ld_isource << 31))
mmap.append(
0xe |
(self.ioff << 5) | (self.qoff << 13) | (self.vref_sel << 21) |
(self.tx_div_sel << 24) | (self.lo_div_sel << 26) |
(self.tx_div_bias << 28) | (self.lo_div_bias << 30))
mmap.append(
0xf |
(self.vco_trim << 7) | (self.vco_test_mode << 14) |
(self.cal_bypass << 15) | (self.mux_ctrl << 16) |
(self.isource_sink << 19) | (self.isource_trim << 20) |
(self.pd_tc << 23) | (self.ib_vcm_sel << 25) |
(1 << 28) | (self.dcoffset_i << 29) |
(self.vco_bias_sel << 31))
return mmap

239
artiq/coredevice/ttl.py
View File

@ -2,8 +2,8 @@
Drivers for TTL signals on RTIO.
TTL channels (including the clock generator) all support output event
replacement. For example, pulses of "zero" length (e.g. ``on()``
immediately followed by ``off()``, without a delay) are suppressed.
replacement. For example, pulses of "zero" length (e.g. :meth:`TTLInOut.on`
immediately followed by :meth:`TTLInOut.off`, without a delay) are suppressed.
"""
import numpy
@ -29,14 +29,12 @@ class TTLOut:
:param channel: channel number
"""
kernel_invariants = {"core", "channel"}
kernel_invariants = {"core", "channel", "target_o"}
def __init__(self, dmgr, channel, core_device="core"):
self.core = dmgr.get(core_device)
self.channel = channel
# in RTIO cycles
self.o_previous_timestamp = numpy.int64(0)
self.target_o = channel << 8
@kernel
def output(self):
@ -44,19 +42,11 @@ class TTLOut:
@kernel
def set_o(self, o):
rtio_output(now_mu(), self.channel, 0, 1 if o else 0)
self.o_previous_timestamp = now_mu()
@kernel
def sync(self):
"""Busy-wait until all programmed level switches have been
effected."""
while self.core.get_rtio_counter_mu() < self.o_previous_timestamp:
pass
rtio_output(self.target_o, 1 if o else 0)
@kernel
def on(self):
"""Sets the output to a logic high state at the current position
"""Set the output to a logic high state at the current position
of the time cursor.
The time cursor is not modified by this function."""
@ -107,8 +97,8 @@ class TTLInOut:
This should be used with bidirectional channels.
Note that the channel is in input mode by default. If you need to drive a
signal, you must call ``output``. If the channel is in output mode most of
the time in your setup, it is a good idea to call ``output`` in the
signal, you must call :meth:`output`. If the channel is in output mode most of
the time in your setup, it is a good idea to call :meth:`output` in the
startup kernel.
There are three input APIs: gating, sampling and watching. When one
@ -117,20 +107,30 @@ class TTLInOut:
:param channel: channel number
"""
kernel_invariants = {"core", "channel"}
kernel_invariants = {"core", "channel", "gate_latency_mu",
"target_o", "target_oe", "target_sens", "target_sample"}
def __init__(self, dmgr, channel, core_device="core"):
def __init__(self, dmgr, channel, gate_latency_mu=None,
core_device="core"):
self.core = dmgr.get(core_device)
self.channel = channel
# in RTIO cycles
self.o_previous_timestamp = numpy.int64(0)
self.i_previous_timestamp = numpy.int64(0)
self.queued_samples = 0
# With TTLs inputs, the gate control is connected to a high-latency
# path through SED. When looking at the RTIO counter to determine if
# the gate has closed, we need to take this latency into account.
# See: https://github.com/m-labs/artiq/issues/1137
if gate_latency_mu is None:
gate_latency_mu = 13*self.core.ref_multiplier
self.gate_latency_mu = gate_latency_mu
self.target_o = (channel << 8) + 0
self.target_oe = (channel << 8) + 1
self.target_sens = (channel << 8) + 2
self.target_sample = (channel << 8) + 3
@kernel
def set_oe(self, oe):
rtio_output(now_mu(), self.channel, 1, 1 if oe else 0)
rtio_output(self.target_oe, 1 if oe else 0)
@kernel
def output(self):
@ -138,7 +138,11 @@ class TTLInOut:
cursor.
There must be a delay of at least one RTIO clock cycle before any
other command can be issued."""
other command can be issued.
This method only configures the direction at the FPGA. When using
buffered I/O interfaces, such as the Sinara TTL cards, the buffer
direction must be configured separately in the hardware."""
self.set_oe(True)
@kernel
@ -147,20 +151,16 @@ class TTLInOut:
cursor.
There must be a delay of at least one RTIO clock cycle before any
other command can be issued."""
other command can be issued.
This method only configures the direction at the FPGA. When using
buffered I/O interfaces, such as the Sinara TTL cards, the buffer
direction must be configured separately in the hardware."""
self.set_oe(False)
@kernel
def set_o(self, o):
rtio_output(now_mu(), self.channel, 0, 1 if o else 0)
self.o_previous_timestamp = now_mu()
@kernel
def sync(self):
"""Busy-wait until all programmed level switches have been
effected."""
while self.core.get_rtio_counter_mu() < self.o_previous_timestamp:
pass
rtio_output(self.target_o, 1 if o else 0)
@kernel
def on(self):
@ -184,7 +184,7 @@ class TTLInOut:
@kernel
def pulse_mu(self, duration):
"""Pulses the output high for the specified duration
"""Pulse the output high for the specified duration
(in machine units).
The time cursor is advanced by the specified duration."""
@ -194,7 +194,7 @@ class TTLInOut:
@kernel
def pulse(self, duration):
"""Pulses the output high for the specified duration
"""Pulse the output high for the specified duration
(in seconds).
The time cursor is advanced by the specified duration."""
@ -205,89 +205,172 @@ class TTLInOut:
# Input API: gating
@kernel
def _set_sensitivity(self, value):
rtio_output(now_mu(), self.channel, 2, value)
self.i_previous_timestamp = now_mu()
rtio_output(self.target_sens, value)
@kernel
def gate_rising_mu(self, duration):
"""Register rising edge events for the specified duration
(in machine units).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(1)
delay_mu(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def gate_falling_mu(self, duration):
"""Register falling edge events for the specified duration
(in machine units).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(2)
delay_mu(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def gate_both_mu(self, duration):
"""Register both rising and falling edge events for the specified
duration (in machine units).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(3)
delay_mu(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def gate_rising(self, duration):
"""Register rising edge events for the specified duration
(in seconds).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(1)
delay(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def gate_falling(self, duration):
"""Register falling edge events for the specified duration
(in seconds).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(2)
delay(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def gate_both(self, duration):
"""Register both rising and falling edge events for the specified
duration (in seconds).
The time cursor is advanced by the specified duration."""
The time cursor is advanced by the specified duration.
:return: The timeline cursor at the end of the gate window, for
convenience when used with :meth:`count`/:meth:`timestamp_mu`.
"""
self._set_sensitivity(3)
delay(duration)
self._set_sensitivity(0)
return now_mu()
@kernel
def count(self):
"""Poll the RTIO input during all the previously programmed gate
openings, and returns the number of registered events.
def count(self, up_to_timestamp_mu):
"""Consume RTIO input events until the hardware timestamp counter has
reached the specified timestamp and return the number of observed
events.
This function does not interact with the time cursor."""
This function does not interact with the timeline cursor.
See the ``gate_*()`` family of methods to select the input transitions
that generate events, and :meth:`timestamp_mu` to obtain the timestamp
of the first event rather than an accumulated count.
:param up_to_timestamp_mu: The timestamp up to which execution is
blocked, that is, up to which input events are guaranteed to be
taken into account. (Events with later timestamps might still be
registered if they are already available.)
:return: The number of events before the timeout elapsed (0 if none
observed).
Examples:
To count events on channel ``ttl_input``, up to the current timeline
position::
ttl_input.count(now_mu())
If other events are scheduled between the end of the input gate
period and when the number of events is counted, using ``now_mu()``
as timeout consumes an unnecessary amount of timeline slack. In
such cases, it can be beneficial to pass a more precise timestamp,
for example::
gate_end_mu = ttl_input.gate_rising(100 * us)
# Schedule a long pulse sequence, represented here by a delay.
delay(10 * ms)
# Get number of rising edges. This will block until the end of
# the gate window, but does not wait for the long pulse sequence
# afterwards, thus (likely) completing with a large amount of
# slack left.
num_rising_edges = ttl_input.count(gate_end_mu)
The ``gate_*()`` family of methods return the cursor at the end
of the window, allowing this to be expressed in a compact fashion::
ttl_input.count(ttl_input.gate_rising(100 * us))
"""
count = 0
while rtio_input_timestamp(self.i_previous_timestamp, self.channel) >= 0:
while rtio_input_timestamp(up_to_timestamp_mu + self.gate_latency_mu, self.channel) >= 0:
count += 1
return count
@kernel
def timestamp_mu(self):
"""Poll the RTIO input and returns an event timestamp (in machine
units), according to the gating.
def timestamp_mu(self, up_to_timestamp_mu):
"""Return the timestamp of the next RTIO input event, or -1 if the
hardware timestamp counter reaches the given value before an event is
received.
If the gate is permanently closed, returns a negative value.
This function does not interact with the timeline cursor.
This function does not interact with the time cursor."""
return rtio_input_timestamp(self.i_previous_timestamp, self.channel)
See the ``gate_*()`` family of methods to select the input transitions
that generate events, and :meth:`count` for usage examples.
:param up_to_timestamp_mu: The timestamp up to which execution is
blocked, that is, up to which input events are guaranteed to be
taken into account. (Events with later timestamps might still be
registered if they are already available.)
:return: The timestamp (in machine units) of the first event received;
-1 on timeout.
"""
return rtio_input_timestamp(up_to_timestamp_mu + self.gate_latency_mu, self.channel)
# Input API: sampling
@kernel
@ -296,15 +379,15 @@ class TTLInOut:
position of the time cursor.
The time cursor is not modified by this function."""
rtio_output(now_mu(), self.channel, 3, 0)
rtio_output(self.target_sample, 0)
@kernel
def sample_get(self):
"""Returns the value of a sample previously obtained with
``sample_input``.
:meth:`sample_input`.
Multiple samples may be queued (using multiple calls to
``sample_input``) into the RTIO FIFOs and subsequently read out using
:meth:`sample_input`) into the RTIO FIFOs and subsequently read out using
multiple calls to this function.
This function does not interact with the time cursor."""
@ -324,22 +407,22 @@ class TTLInOut:
@kernel
def watch_stay_on(self):
"""Checks that the input is at a high level at the position
of the time cursor and keep checking until ``watch_done``
of the time cursor and keep checking until :meth:`watch_done`
is called.
Returns ``True`` if the input is high. A call to this function
must always be followed by an eventual call to ``watch_done``
must always be followed by an eventual call to :meth:`watch_done`
(use e.g. a try/finally construct to ensure this).
The time cursor is not modified by this function.
"""
rtio_output(now_mu(), self.channel, 3, 2) # gate falling
rtio_output(self.target_sample, 2) # gate falling
return rtio_input_data(self.channel) == 1
@kernel
def watch_stay_off(self):
"""Like ``watch_stay_on``, but for low levels."""
rtio_output(now_mu(), self.channel, 3, 1) # gate rising
"""Like :meth:`watch_stay_on`, but for low levels."""
rtio_output(self.target_sample, 1) # gate rising
return rtio_input_data(self.channel) == 0
@kernel
@ -352,10 +435,10 @@ class TTLInOut:
The time cursor is not modified by this function. This function
always makes the slack negative.
"""
rtio_output(now_mu(), self.channel, 2, 0)
rtio_output(self.target_sens, 0)
success = True
try:
while rtio_input_timestamp(now_mu(), self.channel) != -1:
while rtio_input_timestamp(now_mu() + self.gate_latency_mu, self.channel) != -1:
success = False
except RTIOOverflow:
success = False
@ -371,16 +454,16 @@ class TTLClockGen:
The time cursor is not modified by any function in this class.
:param channel: channel number
:param acc_width: accumulator width in bits
"""
kernel_invariants = {"core", "channel", "acc_width"}
kernel_invariants = {"core", "channel", "target", "acc_width"}
def __init__(self, dmgr, channel, core_device="core"):
def __init__(self, dmgr, channel, acc_width=24, core_device="core"):
self.core = dmgr.get(core_device)
self.channel = channel
self.target = channel << 8
# in RTIO cycles
self.previous_timestamp = numpy.int64(0)
self.acc_width = numpy.int64(24)
self.acc_width = numpy.int64(acc_width)
@portable
def frequency_to_ftw(self, frequency):
@ -414,22 +497,14 @@ class TTLClockGen:
Due to the way the clock generator operates, frequency tuning words
that are not powers of two cause jitter of one RTIO clock cycle at the
output."""
rtio_output(now_mu(), self.channel, 0, frequency)
self.previous_timestamp = now_mu()
rtio_output(self.target, frequency)
@kernel
def set(self, frequency):
"""Like ``set_mu``, but using Hz."""
"""Like :meth:`set_mu`, but using Hz."""
self.set_mu(self.frequency_to_ftw(frequency))
@kernel
def stop(self):
"""Stop the toggling of the clock and set the output level to 0."""
self.set_mu(0)
@kernel
def sync(self):
"""Busy-wait until all programmed frequency switches and stops have
been effected."""
while self.core.get_rtio_counter_mu() < self.o_previous_timestamp:
pass

378
artiq/coredevice/urukul.py Normal file
View File

@ -0,0 +1,378 @@
from artiq.language.core import kernel, delay, portable, at_mu, now_mu
from artiq.language.units import us, ms
from numpy import int32, int64
from artiq.coredevice import spi2 as spi
SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
0*spi.SPI_INPUT | 1*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
# SPI clock write and read dividers
SPIT_CFG_WR = 2
SPIT_CFG_RD = 16
# 30 MHz fmax, 20 ns setup, 40 ns shift to latch (limiting)
SPIT_ATT_WR = 6
SPIT_ATT_RD = 16
SPIT_DDS_WR = 2
SPIT_DDS_RD = 16
# CFG configuration register bit offsets
CFG_RF_SW = 0
CFG_LED = 4
CFG_PROFILE = 8
CFG_IO_UPDATE = 12
CFG_MASK_NU = 13
CFG_CLK_SEL0 = 17
CFG_CLK_SEL1 = 21
CFG_SYNC_SEL = 18
CFG_RST = 19
CFG_IO_RST = 20
CFG_CLK_DIV = 22
# STA status register bit offsets
STA_RF_SW = 0
STA_SMP_ERR = 4
STA_PLL_LOCK = 8
STA_IFC_MODE = 12
STA_PROTO_REV = 16
# supported hardware and CPLD code version
STA_PROTO_REV_MATCH = 0x08
# chip select (decoded)
CS_CFG = 1
CS_ATT = 2
CS_DDS_MULTI = 3
CS_DDS_CH0 = 4
CS_DDS_CH1 = 5
CS_DDS_CH2 = 6
CS_DDS_CH3 = 7
@portable
def urukul_cfg(rf_sw, led, profile, io_update, mask_nu,
clk_sel, sync_sel, rst, io_rst, clk_div):
"""Build Urukul CPLD configuration register"""
return ((rf_sw << CFG_RF_SW) |
(led << CFG_LED) |
(profile << CFG_PROFILE) |
(io_update << CFG_IO_UPDATE) |
(mask_nu << CFG_MASK_NU) |
((clk_sel & 0x01) << CFG_CLK_SEL0) |
((clk_sel & 0x02) << (CFG_CLK_SEL1 - 1)) |
(sync_sel << CFG_SYNC_SEL) |
(rst << CFG_RST) |
(io_rst << CFG_IO_RST) |
(clk_div << CFG_CLK_DIV))
@portable
def urukul_sta_rf_sw(sta):
"""Return the RF switch status from Urukul status register value."""
return (sta >> STA_RF_SW) & 0xf
@portable
def urukul_sta_smp_err(sta):
"""Return the SMP_ERR status from Urukul status register value."""
return (sta >> STA_SMP_ERR) & 0xf
@portable
def urukul_sta_pll_lock(sta):
"""Return the PLL_LOCK status from Urukul status register value."""
return (sta >> STA_PLL_LOCK) & 0xf
@portable
def urukul_sta_ifc_mode(sta):
"""Return the IFC_MODE status from Urukul status register value."""
return (sta >> STA_IFC_MODE) & 0xf
@portable
def urukul_sta_proto_rev(sta):
"""Return the PROTO_REV value from Urukul status register value."""
return (sta >> STA_PROTO_REV) & 0x7f
class _RegIOUpdate:
def __init__(self, cpld):
self.cpld = cpld
@kernel
def pulse(self, t):
cfg = self.cpld.cfg_reg
self.cpld.cfg_write(cfg | (1 << CFG_IO_UPDATE))
delay(t)
self.cpld.cfg_write(cfg)
class _DummySync:
def __init__(self, cpld):
self.cpld = cpld
@kernel
def set_mu(self, ftw):
pass
class CPLD:
"""Urukul CPLD SPI router and configuration interface.
:param spi_device: SPI bus device name
:param io_update_device: IO update RTIO TTLOut channel name
:param dds_reset_device: DDS reset RTIO TTLOut channel name
:param sync_device: AD9910 SYNC_IN RTIO TTLClockGen channel name
:param refclk: Reference clock (SMA, MMCX or on-board 100 MHz oscillator)
frequency in Hz
:param clk_sel: Reference clock selection. For hardware revision >= 1.3
valid options are: 0 - internal 100MHz XO; 1 - front-panel SMA; 2
internal MMCX. For hardware revision <= v1.2 valid options are: 0 -
either XO or MMCX dependent on component population; 1 SMA. Unsupported
clocking options are silently ignored.
:param clk_div: Reference clock divider. Valid options are 0: variant
dependent default (divide-by-4 for AD9910 and divide-by-1 for AD9912);
1: divide-by-1; 2: divide-by-2; 3: divide-by-4.
On Urukul boards with CPLD gateware before v1.3.1 only the default
(0, i.e. variant dependent divider) is valid.
:param sync_sel: SYNC (multi-chip synchronisation) signal source selection.
0 corresponds to SYNC_IN being supplied by the FPGA via the EEM
connector. 1 corresponds to SYNC_OUT from DDS0 being distributed to the
other chips.
:param rf_sw: Initial CPLD RF switch register setting (default: 0x0).
Knowledge of this state is not transferred between experiments.
:param att: Initial attenuator setting shift register (default:
0x00000000). See also :meth:`get_att_mu` which retrieves the hardware
state without side effects. Knowledge of this state is not transferred
between experiments.
:param sync_div: SYNC_IN generator divider. The ratio between the coarse
RTIO frequency and the SYNC_IN generator frequency (default: 2 if
`sync_device` was specified).
:param core_device: Core device name
If the clocking is incorrect (for example, setting ``clk_sel`` to the
front panel SMA with no clock connected), then the ``init()`` method of
the DDS channels can fail with the error message ``PLL lock timeout``.
"""
kernel_invariants = {"refclk", "bus", "core", "io_update", "clk_div"}
def __init__(self, dmgr, spi_device, io_update_device=None,
dds_reset_device=None, sync_device=None,
sync_sel=0, clk_sel=0, clk_div=0, rf_sw=0,
refclk=125e6, att=0x00000000, sync_div=None,
core_device="core"):
self.core = dmgr.get(core_device)
self.refclk = refclk
assert 0 <= clk_div <= 3
self.clk_div = clk_div
self.bus = dmgr.get(spi_device)
if io_update_device is not None:
self.io_update = dmgr.get(io_update_device)
else:
self.io_update = _RegIOUpdate(self)
if dds_reset_device is not None:
self.dds_reset = dmgr.get(dds_reset_device)
if sync_device is not None:
self.sync = dmgr.get(sync_device)
if sync_div is None:
sync_div = 2
else:
self.sync = _DummySync(self)
assert sync_div is None
sync_div = 0
self.cfg_reg = urukul_cfg(rf_sw=rf_sw, led=0, profile=0,
io_update=0, mask_nu=0, clk_sel=clk_sel,
sync_sel=sync_sel,
rst=0, io_rst=0, clk_div=clk_div)
self.att_reg = int32(int64(att))
self.sync_div = sync_div
@kernel
def cfg_write(self, cfg):
"""Write to the configuration register.
See :func:`urukul_cfg` for possible flags.
:param data: 24 bit data to be written. Will be stored at
:attr:`cfg_reg`.
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, 24,
SPIT_CFG_WR, CS_CFG)
self.bus.write(cfg << 8)
self.cfg_reg = cfg
@kernel
def sta_read(self):
"""Read the status register.
Use any of the following functions to extract values:
* :func:`urukul_sta_rf_sw`
* :func:`urukul_sta_smp_err`
* :func:`urukul_sta_pll_lock`
* :func:`urukul_sta_ifc_mode`
* :func:`urukul_sta_proto_rev`
:return: The status register value.
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END | spi.SPI_INPUT, 24,
SPIT_CFG_RD, CS_CFG)
self.bus.write(self.cfg_reg << 8)
return self.bus.read()
@kernel
def init(self, blind=False):
"""Initialize and detect Urukul.
Resets the DDS I/O interface and verifies correct CPLD gateware
version.
Does not pulse the DDS MASTER_RESET as that confuses the AD9910.
:param blind: Do not attempt to verify presence and compatibility.
"""
cfg = self.cfg_reg
# Don't pulse MASTER_RESET (m-labs/artiq#940)
self.cfg_reg = cfg | (0 << CFG_RST) | (1 << CFG_IO_RST)
if blind:
self.cfg_write(self.cfg_reg)
else:
proto_rev = urukul_sta_proto_rev(self.sta_read())
if proto_rev != STA_PROTO_REV_MATCH:
raise ValueError("Urukul proto_rev mismatch")
delay(100*us) # reset, slack
self.cfg_write(cfg)
if self.sync_div:
at_mu(now_mu() & ~0xf) # align to RTIO/2
self.set_sync_div(self.sync_div) # 125 MHz/2 = 1 GHz/16
delay(1*ms) # DDS wake up
@kernel
def io_rst(self):
"""Pulse IO_RST"""
self.cfg_write(self.cfg_reg | (1 << CFG_IO_RST))
self.cfg_write(self.cfg_reg & ~(1 << CFG_IO_RST))
@kernel
def cfg_sw(self, channel, on):
"""Configure the RF switches through the configuration register.
These values are logically OR-ed with the LVDS lines on EEM1.
:param channel: Channel index (0-3)
:param on: Switch value
"""
c = self.cfg_reg
if on:
c |= 1 << channel
else:
c &= ~(1 << channel)
self.cfg_write(c)
@kernel
def cfg_switches(self, state):
"""Configure all four RF switches through the configuration register.
:param state: RF switch state as a 4 bit integer.
"""
self.cfg_write((self.cfg_reg & ~0xf) | state)
@kernel
def set_att_mu(self, channel, att):
"""Set digital step attenuator in machine units.
This method will also write the attenuator settings of the three other channels. Use
:meth:`get_att_mu` to retrieve the hardware state set in previous experiments.
:param channel: Attenuator channel (0-3).
:param att: 8-bit digital attenuation setting:
255 minimum attenuation, 0 maximum attenuation (31.5 dB)
"""
a = self.att_reg & ~(0xff << (channel * 8))
a |= att << (channel * 8)
self.set_all_att_mu(a)
@kernel
def set_all_att_mu(self, att_reg):
"""Set all four digital step attenuators (in machine units).
.. seealso:: :meth:`set_att_mu`
:param att_reg: Attenuator setting string (32 bit)
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, 32,
SPIT_ATT_WR, CS_ATT)
self.bus.write(att_reg)
self.att_reg = att_reg
@kernel
def set_att(self, channel, att):
"""Set digital step attenuator in SI units.
This method will write the attenuator settings of all four channels.
.. seealso:: :meth:`set_att_mu`
:param channel: Attenuator channel (0-3).
:param att: Attenuation setting in dB. Higher value is more
attenuation. Minimum attenuation is 0*dB, maximum attenuation is
31.5*dB.
"""
code = 255 - int32(round(att*8))
if code < 0 or code > 255:
raise ValueError("Invalid urukul.CPLD attenuation!")
self.set_att_mu(channel, code)
@kernel
def get_att_mu(self):
"""Return the digital step attenuator settings in machine units.
The result is stored and will be used in future calls of :meth:`set_att_mu`.
:return: 32 bit attenuator settings
"""
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_INPUT, 32,
SPIT_ATT_RD, CS_ATT)
self.bus.write(0) # shift in zeros, shift out current value
self.bus.set_config_mu(SPI_CONFIG | spi.SPI_END, 32,
SPIT_ATT_WR, CS_ATT)
delay(10*us)
self.att_reg = self.bus.read()
self.bus.write(self.att_reg) # shift in current value again and latch
return self.att_reg
@kernel
def set_sync_div(self, div):
"""Set the SYNC_IN AD9910 pulse generator frequency
and align it to the current RTIO timestamp.
The SYNC_IN signal is derived from the coarse RTIO clock
and the divider must be a power of two.
Configure ``sync_sel == 0``.
:param div: SYNC_IN frequency divider. Must be a power of two.
Minimum division ratio is 2. Maximum division ratio is 16.
"""
ftw_max = 1 << 4
ftw = ftw_max//div
assert ftw*div == ftw_max
self.sync.set_mu(ftw)
@kernel
def set_profile(self, profile):
"""Set the PROFILE pins.
The PROFILE pins are common to all four DDS channels.
:param profile: PROFILE pins in numeric representation (0-7).
"""
cfg = self.cfg_reg & ~(7 << CFG_PROFILE)
cfg |= (profile & 7) << CFG_PROFILE
self.cfg_write(cfg)

53
artiq/coredevice/zotino.py Normal file
View File

@ -0,0 +1,53 @@
"""RTIO driver for the Zotino 32-channel, 16-bit 1MSPS DAC.
Output event replacement is not supported and issuing commands at the same
time is an error.
"""
from artiq.language.core import kernel
from artiq.coredevice import spi2 as spi
from artiq.coredevice.ad53xx import SPI_AD53XX_CONFIG, AD53xx
_SPI_SR_CONFIG = (0*spi.SPI_OFFLINE | 1*spi.SPI_END |
0*spi.SPI_INPUT | 0*spi.SPI_CS_POLARITY |
0*spi.SPI_CLK_POLARITY | 0*spi.SPI_CLK_PHASE |
0*spi.SPI_LSB_FIRST | 0*spi.SPI_HALF_DUPLEX)
_SPI_CS_DAC = 1
_SPI_CS_SR = 2
class Zotino(AD53xx):
""" Zotino 32-channel, 16-bit 1MSPS DAC.
Controls the AD5372 DAC and the 8 user LEDs via a shared SPI interface.
:param spi_device: SPI bus device name
:param ldac_device: LDAC RTIO TTLOut channel name.
:param clr_device: CLR RTIO TTLOut channel name.
:param div_write: SPI clock divider for write operations (default: 4,
50MHz max SPI clock)
:param div_read: SPI clock divider for read operations (default: 8, not
optimized for speed, but cf data sheet t22: 25ns min SCLK edge to SDO
valid)
:param vref: DAC reference voltage (default: 5.)
:param core_device: Core device name (default: "core")
"""
def __init__(self, dmgr, spi_device, ldac_device=None, clr_device=None,
div_write=4, div_read=8, vref=5., core="core"):
AD53xx.__init__(self, dmgr=dmgr, spi_device=spi_device,
ldac_device=ldac_device, clr_device=clr_device,
chip_select=_SPI_CS_DAC, div_write=div_write,
div_read=div_read, core=core)
@kernel
def set_leds(self, leds):
""" Sets the states of the 8 user LEDs.
:param leds: 8-bit word with LED state
"""
self.bus.set_config_mu(_SPI_SR_CONFIG, 8, self.div_write, _SPI_CS_SR)
self.bus.write(leds << 24)
self.bus.set_config_mu(SPI_AD53XX_CONFIG, 24, self.div_write,
self.chip_select)

24
artiq/dashboard/applets_ccb.py
View File

@ -1,3 +1,4 @@
import asyncio
import logging
from PyQt5 import QtCore, QtWidgets
@ -149,15 +150,16 @@ class AppletsCCBDock(applets.AppletsDock):
corresponds to a single group. If ``group`` is ``None`` or an empty
list, it corresponds to the root.
``command`` gives the command line used to run the applet, as if it
was started from a shell. The dashboard substitutes variables such as
``$python`` that gives the complete file name of the Python
interpreter running the dashboard.
``command`` gives the command line used to run the applet, as if it was
started from a shell. The dashboard substitutes variables such as
``$python`` that gives the complete file name of the Python interpreter
running the dashboard.
If the name already exists (after following any specified groups), the
command or code of the existing applet with that name is replaced, and
the applet is shown at its previous position. If not, a new applet
entry is created and the applet is shown at any position on the screen.
the applet is restarted and shown at its previous position. If not, a
new applet entry is created and the applet is shown at any position on
the screen.
If the group(s) do not exist, they are created.
@ -181,9 +183,17 @@ class AppletsCCBDock(applets.AppletsDock):
else:
spec = {"ty": "code", "code": code, "command": command}
if applet is None:
logger.debug("Applet %s does not exist: creating", name)
applet = self.new(name=name, spec=spec, parent=parent)
else:
self.set_spec(applet, spec)
if spec != self.get_spec(applet):
logger.debug("Applet %s already exists: updating existing spec", name)
self.set_spec(applet, spec)
if applet.applet_dock:
asyncio.ensure_future(applet.applet_dock.restart())
else:
logger.debug("Applet %s already exists and no update required", name)
if ccbp == "enable":
applet.setCheckState(0, QtCore.Qt.Checked)

126
artiq/dashboard/experiments.py
View File

@ -7,9 +7,11 @@ from collections import OrderedDict
from PyQt5 import QtCore, QtGui, QtWidgets
import h5py
from artiq.gui.tools import LayoutWidget, log_level_to_name, get_open_file_name
from sipyco import pyon
from artiq.gui.entries import procdesc_to_entry, ScanEntry
from artiq.protocols import pyon
from artiq.gui.fuzzy_select import FuzzySelectWidget
from artiq.gui.tools import LayoutWidget, log_level_to_name, get_open_file_name
logger = logging.getLogger(__name__)
@ -162,14 +164,14 @@ class _ArgumentEditor(QtWidgets.QTreeWidget):
async def _recompute_argument(self, name):
try:
arginfo = await self.manager.compute_arginfo(self.expurl)
expdesc = await self.manager.compute_expdesc(self.expurl)
except:
logger.error("Could not recompute argument '%s' of '%s'",
name, self.expurl, exc_info=True)
return
argument = self.manager.get_submission_arguments(self.expurl)[name]
procdesc = arginfo[name][0]
procdesc = expdesc["arginfo"][name][0]
state = procdesc_to_entry(procdesc).default_state(procdesc)
argument["desc"] = procdesc
argument["state"] = state
@ -272,7 +274,8 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
scheduling["due_date"] = due_date
datetime_en.stateChanged.connect(update_datetime_en)
pipeline_name = QtWidgets.QLineEdit()
self.pipeline_name = QtWidgets.QLineEdit()
pipeline_name = self.pipeline_name
self.layout.addWidget(QtWidgets.QLabel("Pipeline:"), 1, 2)
self.layout.addWidget(pipeline_name, 1, 3)
@ -280,9 +283,10 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
def update_pipeline_name(text):
scheduling["pipeline_name"] = text
pipeline_name.textEdited.connect(update_pipeline_name)
pipeline_name.textChanged.connect(update_pipeline_name)
priority = QtWidgets.QSpinBox()
self.priority = QtWidgets.QSpinBox()
priority = self.priority
priority.setRange(-99, 99)
self.layout.addWidget(QtWidgets.QLabel("Priority:"), 2, 0)
self.layout.addWidget(priority, 2, 1)
@ -293,7 +297,8 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
scheduling["priority"] = value
priority.valueChanged.connect(update_priority)
flush = QtWidgets.QCheckBox("Flush")
self.flush = QtWidgets.QCheckBox("Flush")
flush = self.flush
flush.setToolTip("Flush the pipeline (of current- and higher-priority "
"experiments) before starting the experiment")
self.layout.addWidget(flush, 2, 2, 1, 2)
@ -386,11 +391,12 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
async def _recompute_arguments_task(self, overrides=dict()):
try:
arginfo = await self.manager.compute_arginfo(self.expurl)
expdesc = await self.manager.compute_expdesc(self.expurl)
except:
logger.error("Could not recompute arguments of '%s'",
logger.error("Could not recompute experiment description of '%s'",
self.expurl, exc_info=True)
return
arginfo = expdesc["arginfo"]
for k, v in overrides.items():
# Some values (e.g. scans) may have multiple defaults in a list
if ("default" in arginfo[k][0]
@ -407,6 +413,28 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
self.argeditor.restore_state(argeditor_state)
self.layout.addWidget(self.argeditor, 0, 0, 1, 5)
def contextMenuEvent(self, event):
menu = QtWidgets.QMenu(self)
reset_sched = menu.addAction("Reset scheduler settings")
action = menu.exec_(self.mapToGlobal(event.pos()))
if action == reset_sched:
asyncio.ensure_future(self._recompute_sched_options_task())
async def _recompute_sched_options_task(self):
try:
expdesc = await self.manager.compute_expdesc(self.expurl)
except:
logger.error("Could not recompute experiment description of '%s'",
self.expurl, exc_info=True)
return
sched_defaults = expdesc["scheduler_defaults"]
scheduling = self.manager.get_submission_scheduling(self.expurl)
scheduling.update(sched_defaults)
self.priority.setValue(scheduling["priority"])
self.pipeline_name.setText(scheduling["pipeline_name"])
self.flush.setChecked(scheduling["flush"])
def _load_hdf5_clicked(self):
asyncio.ensure_future(self._load_hdf5_task())
@ -461,6 +489,60 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
self.hdf5_load_directory = state["hdf5_load_directory"]
class _QuickOpenDialog(QtWidgets.QDialog):
"""Modal dialog for opening/submitting experiments from a
FuzzySelectWidget."""
closed = QtCore.pyqtSignal()
def __init__(self, manager):
super().__init__(manager.main_window)
self.setModal(True)
self.manager = manager
self.setWindowTitle("Quick open...")
layout = QtWidgets.QGridLayout(self)
layout.setSpacing(0)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
# Find matching experiment names. Open experiments are preferred to
# matches from the repository to ease quick window switching.
open_exps = list(self.manager.open_experiments.keys())
repo_exps = set("repo:" + k
for k in self.manager.explist.keys()) - set(open_exps)
choices = [(o, 100) for o in open_exps] + [(r, 0) for r in repo_exps]
self.select_widget = FuzzySelectWidget(choices)
layout.addWidget(self.select_widget)
self.select_widget.aborted.connect(self.close)
self.select_widget.finished.connect(self._open_experiment)
font_metrics = QtGui.QFontMetrics(self.select_widget.line_edit.font())
self.select_widget.setMinimumWidth(font_metrics.averageCharWidth() * 70)
def done(self, r):
if self.select_widget:
self.select_widget.abort()
self.closed.emit()
QtWidgets.QDialog.done(self, r)
def _open_experiment(self, exp_name, modifiers):
if modifiers & QtCore.Qt.ControlModifier:
try:
self.manager.submit(exp_name)
except:
# Not all open_experiments necessarily still exist in the explist
# (e.g. if the repository has been re-scanned since).
logger.warning("failed to submit experiment '%s'",
exp_name,
exc_info=True)
else:
self.manager.open_experiment(exp_name)
self.close()
class ExperimentManager:
def __init__(self, main_window,
explist_sub, schedule_sub,
@ -481,6 +563,13 @@ class ExperimentManager:
self.open_experiments = dict()
self.is_quick_open_shown = False
quick_open_shortcut = QtWidgets.QShortcut(
QtCore.Qt.CTRL + QtCore.Qt.Key_P,
main_window)
quick_open_shortcut.setContext(QtCore.Qt.ApplicationShortcut)
quick_open_shortcut.activated.connect(self.show_quick_open)
def set_explist_model(self, model):
self.explist = model.backing_store
@ -508,6 +597,8 @@ class ExperimentManager:
"due_date": None,
"flush": False
}
if expurl[:5] == "repo:":
scheduling.update(self.explist[expurl[5:]]["scheduler_defaults"])
self.submission_scheduling[expurl] = scheduling
return scheduling
@ -640,7 +731,7 @@ class ExperimentManager:
rids.append(rid)
asyncio.ensure_future(self._request_term_multiple(rids))
async def compute_arginfo(self, expurl):
async def compute_expdesc(self, expurl):
file, class_name, use_repository = self.resolve_expurl(expurl)
if use_repository:
revision = self.get_submission_options(expurl)["repo_rev"]
@ -648,7 +739,7 @@ class ExperimentManager:
revision = None
description = await self.experiment_db_ctl.examine(
file, use_repository, revision)
return description[class_name]["arginfo"]
return description[class_name]
async def open_file(self, file):
description = await self.experiment_db_ctl.examine(file, False)
@ -679,3 +770,14 @@ class ExperimentManager:
self.submission_arguments = state["arguments"]
for expurl in state["open_docks"]:
self.open_experiment(expurl)
def show_quick_open(self):
if self.is_quick_open_shown:
return
self.is_quick_open_shown = True
dialog = _QuickOpenDialog(self)
def closed():
self.is_quick_open_shown = False
dialog.closed.connect(closed)
dialog.show()

56
artiq/dashboard/moninj.py
View File

@ -4,7 +4,8 @@ from collections import namedtuple
from PyQt5 import QtCore, QtWidgets, QtGui
from artiq.protocols.sync_struct import Subscriber
from sipyco.sync_struct import Subscriber
from artiq.coredevice.comm_moninj import *
from artiq.gui.tools import LayoutWidget
from artiq.gui.flowlayout import FlowLayout
@ -74,6 +75,7 @@ class _TTLWidget(QtWidgets.QFrame):
self.cur_level = False
self.cur_oe = False
self.cur_override = False
self.cur_override_level = False
self.refresh_display()
def enterEvent(self, event):
@ -106,7 +108,9 @@ class _TTLWidget(QtWidgets.QFrame):
self.set_mode(self.channel, "0")
def refresh_display(self):
value_s = "1" if self.cur_level else "0"
level = self.cur_override_level if self.cur_override else self.cur_level
value_s = "1" if level else "0"
if self.cur_override:
value_s = "<b>" + value_s + "</b>"
color = " color=\"red\""
@ -215,17 +219,15 @@ def setup_from_ddb(ddb):
force_out = v["class"] == "TTLOut"
widget = _WidgetDesc(k, comment, _TTLWidget, (channel, force_out, k))
description.add(widget)
elif (v["module"] == "artiq.coredevice.dds"
and v["class"] == "DDSGroupAD9914"):
dds_sysclk = v["arguments"]["sysclk"]
elif (v["module"] == "artiq.coredevice.dds"
and v["class"] == "DDSChannelAD9914"):
elif (v["module"] == "artiq.coredevice.ad9914"
and v["class"] == "AD9914"):
bus_channel = v["arguments"]["bus_channel"]
channel = v["arguments"]["channel"]
dds_sysclk = v["arguments"]["sysclk"]
widget = _WidgetDesc(k, comment, _DDSWidget, (bus_channel, channel, k))
description.add(widget)
elif (v["module"] == "artiq.coredevice.ad5360"
and v["class"] == "AD5360"):
elif ( (v["module"] == "artiq.coredevice.ad53xx" and v["class"] == "AD53XX")
or (v["module"] == "artiq.coredevice.zotino" and v["class"] == "Zotino")):
spi_device = v["arguments"]["spi_device"]
spi_device = ddb[spi_device]
while isinstance(spi_device, str):
@ -242,7 +244,7 @@ def setup_from_ddb(ddb):
class _DeviceManager:
def __init__(self):
self.core_addr = None
self.new_core_addr = asyncio.Event()
self.reconnect_core = asyncio.Event()
self.core_connection = None
self.core_connector_task = asyncio.ensure_future(self.core_connector())
@ -267,7 +269,7 @@ class _DeviceManager:
if core_addr != self.core_addr:
self.core_addr = core_addr
self.new_core_addr.set()
self.reconnect_core.set()
self.dds_sysclk = dds_sysclk
@ -341,18 +343,20 @@ class _DeviceManager:
def setup_ttl_monitoring(self, enable, channel):
if self.core_connection is not None:
self.core_connection.monitor(enable, channel, TTLProbe.level.value)
self.core_connection.monitor(enable, channel, TTLProbe.oe.value)
self.core_connection.monitor_probe(enable, channel, TTLProbe.level.value)
self.core_connection.monitor_probe(enable, channel, TTLProbe.oe.value)
self.core_connection.monitor_injection(enable, channel, TTLOverride.en.value)
self.core_connection.monitor_injection(enable, channel, TTLOverride.level.value)
if enable:
self.core_connection.get_injection_status(channel, TTLOverride.en.value)
def setup_dds_monitoring(self, enable, bus_channel, channel):
if self.core_connection is not None:
self.core_connection.monitor(enable, bus_channel, channel)
self.core_connection.monitor_probe(enable, bus_channel, channel)
def setup_dac_monitoring(self, enable, spi_channel, channel):
if self.core_connection is not None:
self.core_connection.monitor(enable, spi_channel, channel)
self.core_connection.monitor_probe(enable, spi_channel, channel)
def monitor_cb(self, channel, probe, value):
if channel in self.ttl_widgets:
@ -373,21 +377,35 @@ class _DeviceManager:
def injection_status_cb(self, channel, override, value):
if channel in self.ttl_widgets:
self.ttl_widgets[channel].cur_override = bool(value)
widget = self.ttl_widgets[channel]
if override == TTLOverride.en.value:
widget.cur_override = bool(value)
if override == TTLOverride.level.value:
widget.cur_override_level = bool(value)
widget.refresh_display()
def disconnect_cb(self):
logger.error("lost connection to core device moninj")
self.reconnect_core.set()
async def core_connector(self):
while True:
await self.new_core_addr.wait()
self.new_core_addr.clear()
await self.reconnect_core.wait()
self.reconnect_core.clear()
if self.core_connection is not None:
await self.core_connection.close()
self.core_connection = None
new_core_connection = CommMonInj(self.monitor_cb, self.injection_status_cb,
lambda: logger.error("lost connection to core device moninj"))
self.disconnect_cb)
try:
await new_core_connection.connect(self.core_addr, 1383)
except asyncio.CancelledError:
logger.info("cancelled connection to core device moninj")
break
except:
logger.error("failed to connect to core device moninj", exc_info=True)
await asyncio.sleep(10.)
self.reconnect_core.set()
else:
self.core_connection = new_core_connection
for ttl_channel in self.ttl_widgets.keys():

258
artiq/devices/ctlmgr.py
View File

@ -1,258 +0,0 @@
import asyncio
import logging
import subprocess
import shlex
import socket
import os
from artiq.protocols.sync_struct import Subscriber
from artiq.protocols.pc_rpc import AsyncioClient
from artiq.protocols.logging import LogParser
from artiq.tools import Condition, TaskObject
logger = logging.getLogger(__name__)
class Controller:
def __init__(self, name, ddb_entry):
self.name = name
self.command = ddb_entry["command"]
self.retry_timer = ddb_entry.get("retry_timer", 5)
self.retry_timer_backoff = ddb_entry.get("retry_timer_backoff", 1.1)
self.host = ddb_entry["host"]
self.port = ddb_entry["port"]
self.ping_timer = ddb_entry.get("ping_timer", 30)
self.ping_timeout = ddb_entry.get("ping_timeout", 30)
self.term_timeout = ddb_entry.get("term_timeout", 30)
self.retry_timer_cur = self.retry_timer
self.retry_now = Condition()
self.process = None
self.launch_task = asyncio.ensure_future(self.launcher())
async def end(self):
self.launch_task.cancel()
await asyncio.wait_for(self.launch_task, None)
async def call(self, method, *args, **kwargs):
remote = AsyncioClient()
await remote.connect_rpc(self.host, self.port, None)
try:
targets, _ = remote.get_rpc_id()
await remote.select_rpc_target(targets[0])
r = await getattr(remote, method)(*args, **kwargs)
finally:
remote.close_rpc()
return r
async def _ping(self):
try:
ok = await asyncio.wait_for(self.call("ping"),
self.ping_timeout)
if ok:
self.retry_timer_cur = self.retry_timer
return ok
except:
return False
async def _wait_and_ping(self):
while True:
try:
await asyncio.wait_for(self.process.wait(),
self.ping_timer)
except asyncio.TimeoutError:
logger.debug("pinging controller %s", self.name)
ok = await self._ping()
if not ok:
logger.warning("Controller %s ping failed", self.name)
await self._terminate()
return
else:
break
def _get_log_source(self):
return "controller({})".format(self.name)
async def launcher(self):
try:
while True:
logger.info("Starting controller %s with command: %s",
self.name, self.command)
try:
env = os.environ.copy()
env["PYTHONUNBUFFERED"] = "1"
self.process = await asyncio.create_subprocess_exec(
*shlex.split(self.command),
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=env, start_new_session=True)
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.process.stdout))
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.process.stderr))
await self._wait_and_ping()
except FileNotFoundError:
logger.warning("Controller %s failed to start", self.name)
else:
logger.warning("Controller %s exited", self.name)
logger.warning("Restarting in %.1f seconds",
self.retry_timer_cur)
try:
await asyncio.wait_for(self.retry_now.wait(),
self.retry_timer_cur)
except asyncio.TimeoutError:
pass
self.retry_timer_cur *= self.retry_timer_backoff
except asyncio.CancelledError:
await self._terminate()
async def _terminate(self):
if self.process is None or self.process.returncode is not None:
logger.info("Controller %s already terminated", self.name)
return
logger.debug("Terminating controller %s", self.name)
try:
await asyncio.wait_for(self.call("terminate"), self.term_timeout)
await asyncio.wait_for(self.process.wait(), self.term_timeout)
logger.info("Controller %s terminated", self.name)
return
except:
logger.warning("Controller %s did not exit on request, "
"ending the process", self.name)
if os.name != "nt":
try:
self.process.terminate()
except ProcessLookupError:
pass
try:
await asyncio.wait_for(self.process.wait(), self.term_timeout)
logger.info("Controller process %s terminated", self.name)
return
except asyncio.TimeoutError:
logger.warning("Controller process %s did not terminate, "
"killing", self.name)
try:
self.process.kill()
except ProcessLookupError:
pass
try:
await asyncio.wait_for(self.process.wait(), self.term_timeout)
logger.info("Controller process %s killed", self.name)
return
except asyncio.TimeoutError:
logger.warning("Controller process %s failed to die", self.name)
def get_ip_addresses(host):
try:
addrinfo = socket.getaddrinfo(host, None)
except:
return set()
return {info[4][0] for info in addrinfo}
class Controllers:
def __init__(self):
self.host_filter = None
self.active_or_queued = set()
self.queue = asyncio.Queue()
self.active = dict()
self.process_task = asyncio.ensure_future(self._process())
async def _process(self):
while True:
action, param = await self.queue.get()
if action == "set":
k, ddb_entry = param
if k in self.active:
await self.active[k].end()
self.active[k] = Controller(k, ddb_entry)
elif action == "del":
await self.active[param].end()
del self.active[param]
self.queue.task_done()
if action not in ("set", "del"):
raise ValueError
def __setitem__(self, k, v):
if (isinstance(v, dict) and v["type"] == "controller" and
self.host_filter in get_ip_addresses(v["host"])):
v["command"] = v["command"].format(name=k,
bind=self.host_filter,
port=v["port"])
self.queue.put_nowait(("set", (k, v)))
self.active_or_queued.add(k)
def __delitem__(self, k):
if k in self.active_or_queued:
self.queue.put_nowait(("del", k))
self.active_or_queued.remove(k)
def delete_all(self):
for name in set(self.active_or_queued):
del self[name]
async def shutdown(self):
self.process_task.cancel()
for c in self.active.values():
await c.end()
class ControllerDB:
def __init__(self):
self.current_controllers = Controllers()
def set_host_filter(self, host_filter):
self.current_controllers.host_filter = host_filter
def sync_struct_init(self, init):
if self.current_controllers is not None:
self.current_controllers.delete_all()
for k, v in init.items():
self.current_controllers[k] = v
return self.current_controllers
class ControllerManager(TaskObject):
def __init__(self, server, port, retry_master):
self.server = server
self.port = port
self.retry_master = retry_master
self.controller_db = ControllerDB()
async def _do(self):
try:
subscriber = Subscriber("devices",
self.controller_db.sync_struct_init)
while True:
try:
def set_host_filter():
s = subscriber.writer.get_extra_info("socket")
localhost = s.getsockname()[0]
self.controller_db.set_host_filter(localhost)
await subscriber.connect(self.server, self.port,
set_host_filter)
try:
await asyncio.wait_for(subscriber.receive_task, None)
finally:
await subscriber.close()
except (ConnectionAbortedError, ConnectionError,
ConnectionRefusedError, ConnectionResetError) as e:
logger.warning("Connection to master failed (%s: %s)",
e.__class__.__name__, str(e))
else:
logger.warning("Connection to master lost")
logger.warning("Retrying in %.1f seconds", self.retry_master)
await asyncio.sleep(self.retry_master)
except asyncio.CancelledError:
pass
finally:
await self.controller_db.current_controllers.shutdown()
def retry_now(self, k):
"""If a controller is disabled and pending retry, perform that retry
now."""
self.controller_db.current_controllers.active[k].retry_now.notify()

152
artiq/devices/korad_ka3005p/driver.py
View File

@ -1,152 +0,0 @@
# Written by Joe Britton, 2016
import logging
import asyncio
import asyncserial
logger = logging.getLogger(__name__)
class UnexpectedResponse(Exception):
pass
class KoradKA3005P:
"""The Korad KA3005P is a 1-channel programmable power supply
(0-30V/0-5A) with both USB/serial and RS232 connectivity.
All amplitudes are in volts.
All currents are in amperes.
"""
# Serial interface gleaned from the following.
# https://github.com/starforgelabs/py-korad-serial
# https://sigrok.org/wiki/Korad_KAxxxxP_series
def __init__(self, serial_dev):
if serial_dev is None:
self.simulation = True
else:
self.simulation = False
self.port = asyncserial.AsyncSerial(serial_dev, baudrate=9600)
def close(self):
"""Close the serial port."""
if not self.simulation:
self.port.close()
async def _ser_read(self, fixed_length=None):
""" strings returned by firmware are zero-terminated or fixed length
"""
r = ""
if self.simulation:
logger.info("simulation _ser_read()")
else:
c = (await self.port.read(1)).decode()
r = c
while len(c) > 0 and ord(c) != 0 and not len(r) == fixed_length:
c = (await self.port.read(1)).decode().rstrip('\0')
r += c
logger.debug("_read %s: ", r)
return r
async def _ser_write(self, cmd):
if self.simulation:
logger.info("simulation _ser_write(\"%s\")", cmd)
else:
logger.debug("_ser_write(\"%s\")", cmd)
await asyncio.sleep(0.1)
await self.port.write(cmd.encode("ascii"))
async def setup(self):
"""Configure in known state."""
await self.set_output(False)
await self.set_v(0)
await self.set_ovp(False)
await self.set_i(0)
await self.set_ocp(False)
async def get_id(self):
"""Request identification from device.
"""
if self.simulation:
return "KORADKA3005PV2.0"
await self._ser_write("*IDN?")
return await self._ser_read()
async def set_output(self, b):
"""Enable/disable the power output.
"""
if b:
await self._ser_write("OUT1")
else:
await self._ser_write("OUT0")
async def set_v(self, v):
"""Set the maximum output voltage."""
await self._ser_write("VSET1:{0:05.2f}".format(v))
async def get_v(self):
"""Request the voltage as set by the user."""
await self._ser_write("VSET1?")
return float(await self._ser_read(fixed_length=5))
async def measure_v(self):
"""Request the actual voltage output."""
await self._ser_write("VOUT1?")
return float(await self._ser_read(fixed_length=5))
async def set_ovp(self, b):
"""Enable/disable the "Over Voltage Protection", the PS will switch off the
output when the voltage rises above the actual level."""
if b:
await self._ser_write("OVP1")
else:
await self._ser_write("OVP0")
async def set_i(self, v):
"""Set the maximum output current."""
await self._ser_write("ISET1:{0:05.3f}".format(v))
async def get_i(self):
"""Request the current as set by the user. """
# Expected behavior of ISET1? is to return 5 bytes.
# However, if *IDN? has been previously called, ISET1? replies
# with a sixth byte 'K' which should be discarded. For consistency,
# always call *IDN? before calling ISET1?.
self.get_id()
await self._ser_write("ISET1?")
r = (await self._ser_read(fixed_length=6)).rstrip('K')
return float(r)
async def measure_i(self):
"""Request the actual output current."""
await self._ser_write("IOUT1?")
r = await self._ser_read(fixed_length=5)
if r[0] == "K":
r = r[1:-1]
return float(r)
async def set_ocp(self, b):
"""Enable/disable the "Over Current Protection", the PS will switch off
the output when the current rises above the actual level."""
if b:
await self._ser_write("OCP1")
else:
await self._ser_write("OCP0")
async def ping(self):
"""Check if device is responding."""
if self.simulation:
return True
try:
id = await self.get_id()
except asyncio.CancelledError:
raise
except:
return False
if id == "KORADKA3005PV2.0":
logger.debug("ping successful")
return True
else:
return False

229
artiq/devices/lda/driver.py
View File

@ -1,229 +0,0 @@
import logging
import ctypes
import struct
from artiq.language.units import dB
logger = logging.getLogger("lda")
class HidError(Exception):
pass
class Ldasim:
"""Lab Brick Digital Attenuator simulation driver."""
def __init__(self):
self._attenuation = None
self._att_max = 63*dB
self._att_step_size = 0.25*dB
def get_att_max(self):
return self._att_max
def get_att_step_size(self):
return self._att_step_size
def close(self):
"""Close the device."""
pass
def get_attenuation(self):
"""Reads last attenuation value set to the simulated device.
:return: Returns the attenuation value in dB, or None if it was
never set.
:rtype: float
"""
return self._attenuation
def set_attenuation(self, attenuation):
"""Stores the new attenuation value.
:param attenuation: The attenuation value in dB.
"""
step = self.get_att_step_size()
att = round(attenuation/step)*step
if att > self.get_att_max():
raise ValueError("Cannot set attenuation {} > {}"
.format(att, self.get_att_max()))
elif att < 0*dB:
raise ValueError("Cannot set attenuation {} < 0".format(att))
else:
att = round(att*4)/4. * dB
self._attenuation = att
def ping(self):
return True
class Lda:
"""Lab Brick Digital Attenuator driver.
This driver depends on the hidapi library.
On Linux you should install hidapi-libusb shared library in a directory
listed in your LD_LIBRARY_PATH or in the conventional places (/usr/lib,
/lib, /usr/local/lib). This can be done either from hidapi sources
or by installing the libhidapi-libusb0 binary package on Debian-like OS.
On Windows you should put hidapi.dll shared library in the
artiq\\\\devices\\\\lda folder.
"""
_vendor_id = 0x041f
_product_ids = {
"LDA-102": 0x1207,
"LDA-602": 0x1208,
"LDA-302P-1": 0x120E,
}
_att_max = {
"LDA-102": 63*dB,
"LDA-602": 63*dB,
"LDA-302P-1": 63*dB
}
_att_step_size = {
"LDA-102": 0.5*dB,
"LDA-602": 0.5*dB,
"LDA-302P-1": 1.0*dB
}
def __init__(self, serial=None, product="LDA-102"):
"""
:param serial: The serial number.
:param product: The product identifier string: LDA-102, LDA-602.
"""
from artiq.devices.lda.hidapi import hidapi
self.hidapi = hidapi
self.product = product
self.serial = serial
if self.serial is None:
self.serial = next(self.enumerate(self.product))
self._dev = self.hidapi.hid_open(self._vendor_id,
self._product_ids[self.product],
self.serial)
if not self._dev:
raise IOError("Device not found")
def close(self):
"""Close the device."""
self.hidapi.hid_close(self._dev)
def get_att_step_size(self):
return self._att_step_size[self.product]
def get_att_max(self):
return self._att_max[self.product]
@classmethod
def enumerate(cls, product):
from artiq.devices.lda.hidapi import hidapi
devs = hidapi.hid_enumerate(cls._vendor_id,
cls._product_ids[product])
try:
dev = devs
while dev:
yield dev[0].serial
dev = dev[0].next
finally:
hidapi.hid_free_enumeration(devs)
def _check_error(self, ret):
if ret < 0:
err = self.hidapi.hid_error(self._dev)
raise HidError("{}: {}".format(ret, err))
return ret
def write(self, command, length, data=bytes()):
"""Writes a command to the Lab Brick device.
:param command: command ID.
:param length: number of meaningful bytes in the data array.
:param data: a byte array containing the payload of the command.
"""
# 0 is report id/padding
buf = struct.pack("BBB6s", 0, command, length, data)
res = self._check_error(self.hidapi.hid_write(self._dev, buf,
len(buf)))
if res != len(buf):
raise IOError
def set(self, command, data):
"""Sends a SET command to the Lab Brick device.
:param command: command ID, must have most significant bit set.
:param data: payload of the command.
"""
if not data:
raise ValueError("Data is empty")
if not (command & 0x80):
raise ValueError("Set commands must have most significant bit set")
self.write(command, len(data), data)
def get(self, command, length, timeout=1000):
"""Sends a GET command to read back some value of the Lab Brick device.
:param command: Command ID, most significant bit must be cleared.
:param length: Length of the command, "count" in the datasheet.
:param timeout: Timeout of the HID read in ms.
:return: Returns the value read from the device.
:rtype: bytes
"""
if command & 0x80:
raise ValueError("Get commands must not have most significant bit"
" set")
status = None
self.write(command, length)
buf = ctypes.create_string_buffer(8)
while status != command:
res = self._check_error(self.hidapi.hid_read_timeout(self._dev,
buf, len(buf), timeout))
if res != len(buf):
raise IOError
status, length, data = struct.unpack("BB6s", buf.raw)
data = data[:length]
logger.info("%s %s %r", command, length, data)
return data
def get_attenuation(self):
"""Reads attenuation value from Lab Brick device.
:return: Returns the attenuation value in dB.
:rtype: float
"""
return (ord(self.get(0x0d, 1))/4.) * dB
def set_attenuation(self, attenuation):
"""Sets attenuation value of the Lab Brick device.
:param attenuation: Attenuation value in dB.
"""
step = self.get_att_step_size()
att = round(attenuation/step)*step
if att > self.get_att_max():
raise ValueError("Cannot set attenuation {} > {}"
.format(att, self.get_att_max()))
elif att < 0*dB:
raise ValueError("Cannot set attenuation {} < 0".format(att))
else:
self.set(0x8d, bytes([int(round(att*4))]))
def ping(self):
try:
self.get_attenuation()
except:
return False
return True

58
artiq/devices/lda/hidapi.py
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@ -1,58 +0,0 @@
import os
import atexit
import ctypes
import ctypes.util
if "." not in os.environ["PATH"].split(";"):
os.environ["PATH"] += ";."
dir = os.path.split(__file__)[0]
if dir not in os.environ["PATH"].split(";"):
os.environ["PATH"] += ";{}".format(dir)
for n in "hidapi-libusb hidapi-hidraw hidapi".split():
path = ctypes.util.find_library(n)
if path:
break
if not path:
raise ImportError("no hidapi library found")
hidapi = ctypes.CDLL(path)
class HidDeviceInfo(ctypes.Structure):
pass
HidDeviceInfo._fields_ = [
("path", ctypes.c_char_p),
("vendor_id", ctypes.c_ushort),
("product_id", ctypes.c_ushort),
("serial", ctypes.c_wchar_p),
("release", ctypes.c_ushort),
("manufacturer", ctypes.c_wchar_p),
("product", ctypes.c_wchar_p),
("usage_page", ctypes.c_ushort),
("usage", ctypes.c_ushort),
("interface", ctypes.c_int),
("next", ctypes.POINTER(HidDeviceInfo)),
]
hidapi.hid_enumerate.argtypes = [ctypes.c_ushort, ctypes.c_ushort]
hidapi.hid_enumerate.restype = ctypes.POINTER(HidDeviceInfo)
hidapi.hid_free_enumeration.argtypes = [ctypes.POINTER(HidDeviceInfo)]
hidapi.hid_open.argtypes = [ctypes.c_ushort, ctypes.c_ushort,
ctypes.c_wchar_p]
hidapi.hid_open.restype = ctypes.c_void_p
hidapi.hid_close.argtypes = [ctypes.c_void_p]
hidapi.hid_read_timeout.argtypes = [ctypes.c_void_p, ctypes.c_char_p,
ctypes.c_size_t, ctypes.c_int]
hidapi.hid_read.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
hidapi.hid_write.argtypes = [ctypes.c_void_p, ctypes.c_char_p, ctypes.c_size_t]
hidapi.hid_send_feature_report.argtypes = [ctypes.c_void_p, ctypes.c_char_p,
ctypes.c_size_t]
hidapi.hid_get_feature_report.argtypes = [ctypes.c_void_p, ctypes.c_char_p,
ctypes.c_size_t]
hidapi.hid_error.argtypes = [ctypes.c_void_p]
hidapi.hid_error.restype = ctypes.c_wchar_p
atexit.register(hidapi.hid_exit)

201
artiq/devices/novatech409b/driver.py
View File

@ -1,201 +0,0 @@
# Written by Joe Britton, 2015
import math
import logging
import asyncio
import asyncserial
logger = logging.getLogger(__name__)
class UnexpectedResponse(Exception):
pass
class Novatech409B:
"""Driver for Novatech 409B 4-channel DDS.
All output channels are in range [0, 1, 2, 3].
All frequencies are in Hz.
All phases are in turns.
All amplitudes are in volts.
"""
error_codes = {
"?0": "Unrecognized Command",
"?1": "Bad Frequency",
"?2": "Bad AM Command",
"?3": "Input line too long",
"?4": "Bad Phase",
"?5": "Bad Time",
"?6": "Bad Mode",
"?7": "Bad Amp",
"?8": "Bad Constant",
"?f": "Bad Byte"
}
def __init__(self, serial_dev):
if serial_dev is None:
self.simulation = True
else:
self.simulation = False
self.port = asyncserial.AsyncSerial(
serial_dev,
baudrate=19200,
bytesize=8,
parity="N",
stopbits=1,
xonxoff=0)
def close(self):
"""Close the serial port."""
if not self.simulation:
self.port.close()
async def _ser_readline(self):
c = await self.port.read(1)
r = c
while c != b"\n":
c = await self.port.read(1)
r += c
return r
async def _ser_send(self, cmd, get_response=True):
"""Send a string to the serial port."""
# Low-level routine for sending serial commands to device. It sends
# strings and listens for a response terminated by a carriage return.
# example:
# ser_send("F0 1.0") # sets the freq of channel 0 to 1.0 MHz
if self.simulation:
logger.info("simulation _ser_send(\"%s\")", cmd)
else:
logger.debug("_ser_send(\"%s\")", cmd)
self.port.ser.reset_input_buffer()
await self.port.write((cmd + "\r\n").encode())
if get_response:
result = (await self._ser_readline()).rstrip().decode()
logger.debug("got response from device: %s", result)
if result != "OK":
errstr = self.error_codes.get(result, "Unrecognized reply")
s = "Erroneous reply from device: {ec}, {ecs}".format(
ec=result, ecs=errstr)
raise ValueError(s)
else:
pass
async def reset(self):
"""Hardware reset of 409B."""
await self._ser_send("R", get_response=False)
await asyncio.sleep(1)
await self.setup()
async def setup(self):
"""Initial setup of 409B."""
# Setup the Novatech 409B with the following defaults:
# * command echo off ("E d")
# * external clock ("") 10 MHz sinusoid -1 to +7 dBm
await self._ser_send("E d", get_response=False)
await self.set_phase_continuous(True)
await self.set_simultaneous_update(False)
async def save_state_to_eeprom(self):
"""Save current state to EEPROM."""
await self._ser_send("S")
async def set_phase_continuous(self, is_continuous):
"""Toggle phase continuous mode.
Sends the "M n" command. This turns off the automatic
clearing of the phase register. In this mode, the phase
register is left intact when a command is performed.
Use this mode if you want frequency changes to remain
phase synchronous, with no phase discontinuities.
:param is_continuous: True or False
"""
if is_continuous:
await self._ser_send("M n")
else:
await self._ser_send("M a")
async def set_simultaneous_update(self, simultaneous):
"""Set simultaneous update mode.
Sends the "I m" command. In this mode an update
pulse will not be sent to the DDS chip until
an "I p" command is sent. This is useful when it is
important to change all the outputs to new values
simultaneously.
"""
if simultaneous:
await self._ser_send("I m")
else:
await self._ser_send("I a")
async def do_simultaneous_update(self):
"""Apply update in simultaneous update mode."""
await self._ser_send("I p")
async def set_freq(self, ch_no, freq):
"""Set frequency of one channel."""
# Novatech expects MHz
await self._ser_send("F{:d} {:f}".format(ch_no, freq/1e6))
async def set_phase(self, ch_no, phase):
"""Set phase of one channel."""
# phase word is required by device
# N is an integer from 0 to 16383. Phase is set to
# N*360/16384 deg; in ARTIQ represent phase in cycles [0, 1]
phase_word = round(phase*16383)
cmd = "P{:d} {:d}".format(ch_no, phase_word)
await self._ser_send(cmd)
async def set_gain(self, ch_no, volts):
"""Set amplitude of one channel."""
# due to error in Novatech it doesn't generate an error for
# dac_value>1024, so need to trap.
dac_value = int(math.floor(volts/0.51*1024))
if dac_value < 0 or dac_value > 1023:
s = "Amplitude out of range {v}".format(v=volts)
raise ValueError(s)
s = "V{:d} {:d}".format(ch_no, dac_value)
await self._ser_send(s)
async def get_status(self):
if self.simulation:
return ["00989680 2000 01F5 0000 00000000 00000000 000301",
"00989680 2000 01F5 0000 00000000 00000000 000301",
"00989680 2000 01F5 0000 00000000 00000000 000301",
"00989680 2000 01F5 0000 00000000 00000000 000301",
"80 BC0000 0000 0102 21"]
else:
self.port.ser.reset_input_buffer()
result = []
await self.port.write(("QUE" + "\r\n").encode())
for i in range(5):
m = (await self._ser_readline()).rstrip().decode()
result.append(m)
logger.debug("got device status: %s", result)
return result
async def ping(self):
try:
stat = await self.get_status()
except asyncio.CancelledError:
raise
except:
return False
# check that version number matches is "21"
if stat[4][20:] == "21":
logger.debug("ping successful")
return True
else:
return False

0
artiq/devices/thorlabs_tcube/__init__.py
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1476
artiq/devices/thorlabs_tcube/driver.py
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11
artiq/examples/README.rst Normal file
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@ -0,0 +1,11 @@
ARTIQ experiment examples
=========================
This directory contains several sample ARTIQ master configurations
and associated experiments that illustrate basic usage of various
hardware and software features.
New users might want to peruse the ``no_hardware`` directory to
explore the argument/dataset machinery without needing access to
hardware, and the ``kc705_nist_clock`` directory for inspiration
on how to coordinate between host and FPGA core device code.

8
artiq/examples/artiq_ipython_notebook.ipynb
View File

@ -34,8 +34,8 @@
"import pandas as pd\n",
"import h5py\n",
"\n",
"from artiq.protocols.pc_rpc import (Client, AsyncioClient,\n",
" BestEffortClient, AutoTarget)\n",
"from sipyco.pc_rpc import (Client, AsyncioClient,\n",
" BestEffortClient, AutoTarget)\n",
"from artiq.master.databases import DeviceDB\n",
"from artiq.master.worker_db import DeviceManager"
]
@ -72,8 +72,8 @@
"assert lda.get_attenuation() == 42\n",
"\n",
"# ... or we can wire it up ourselves if you know where it is\n",
"assert ddb.get(\"lda\")[\"host\"] == \"::1\"\n",
"assert ddb.get(\"lda\")[\"port\"] == 3253\n",
"assert ddb.get(\"lda\", resolve_alias=True)[\"host\"] == \"::1\"\n",
"assert ddb.get(\"lda\", resolve_alias=True)[\"port\"] == 3253\n",
"\n",
"# there are different Client types tailored to different use cases:\n",
"\n",

131
artiq/examples/drtio/device_db.py
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@ -1,131 +0,0 @@
core_addr = "sayma1.lab.m-labs.hk"
device_db = {
"core": {
"type": "local",
"module": "artiq.coredevice.core",
"class": "Core",
"arguments": {"host": core_addr, "ref_period": 2e-9}
},
"core_log": {
"type": "controller",
"host": "::1",
"port": 1068,
"command": "aqctl_corelog -p {port} --bind {bind} " + core_addr
},
"core_cache": {
"type": "local",
"module": "artiq.coredevice.cache",
"class": "CoreCache"
},
"led0": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 0},
},
"led1": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 1},
},
"led2": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 2},
},
"led3": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 3},
},
"ttl_sma_out": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLInOut",
"arguments": {"channel": 4}
},
"ttl_sma_in": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLInOut",
"arguments": {"channel": 5}
},
"rled0": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 0x010000},
},
"rled1": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 0x010001},
},
"rled2": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 0x010002},
},
"rled3": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLOut",
"arguments": {"channel": 0x010003},
},
"rttl_sma_out": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLInOut",
"arguments": {"channel": 0x010004}
},
"rttl_sma_in": {
"type": "local",
"module": "artiq.coredevice.ttl",
"class": "TTLInOut",
"arguments": {"channel": 0x010005}
},
"converter_spi": {
"type": "local",
"module": "artiq.coredevice.spi",
"class": "NRTSPIMaster",
},
"ad9154_spi0": {
"type": "local",
"module": "artiq.coredevice.ad9154_spi",
"class": "AD9154",
"arguments": {"spi_device": "converter_spi", "chip_select": 2}
},
"ad9154_spi1": {
"type": "local",
"module": "artiq.coredevice.ad9154_spi",
"class": "AD9154",
"arguments": {"spi_device": "converter_spi", "chip_select": 3}
},
"rconverter_spi": {
"type": "local",
"module": "artiq.coredevice.spi",
"class": "NRTSPIMaster",
"arguments": {"busno": 0x010000}
},
"rad9154_spi0": {
"type": "local",
"module": "artiq.coredevice.ad9154_spi",
"class": "AD9154",
"arguments": {"spi_device": "rconverter_spi", "chip_select": 2}
},
"rad9154_spi1": {
"type": "local",
"module": "artiq.coredevice.ad9154_spi",
"class": "AD9154",
"arguments": {"spi_device": "rconverter_spi", "chip_select": 3}
},
}

23
artiq/examples/drtio/repository/ad9154_spi.py
View File

@ -1,23 +0,0 @@
from artiq.coredevice.ad9154_reg import *
from artiq.experiment import *
class Test(EnvExperiment):
def build(self):
self.setattr_device("core")
self.ad9154_spi = self.get_device("ad9154_spi0")
self.rad9154_spi = self.get_device("rad9154_spi0")
@kernel
def run(self):
self.ad9154_spi.setup_bus()
self.rad9154_spi.setup_bus()
for i in range(5):
self.p("local PRODID: 0x%04x", (self.ad9154_spi.read(AD9154_PRODIDH) << 8) |
self.ad9154_spi.read(AD9154_PRODIDL))
self.p("remote PRODID: 0x%04x", (self.rad9154_spi.read(AD9154_PRODIDH) << 8) |
self.rad9154_spi.read(AD9154_PRODIDL))
def p(self, f, *a):
print(f % a)

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