diff --git a/README_PHASER.rst b/README_PHASER.rst deleted file mode 100644 index 56897a50b..000000000 --- a/README_PHASER.rst +++ /dev/null @@ -1,111 +0,0 @@ -ARTIQ Phaser -============ - -ARTIQ contains a proof-of-concept design of a GHz-datarate, multi-channel, interpolating, multi-tone, direct digital synthesizer (DDS) compatible with ARTIQ's RTIO channels. -Ultimately it will be the basis for the ARTIQ Sayma Smart Arbitrary Waveform Generator project. See https://github.com/m-labs/sinara and https://github.com/m-labs/artiq-hardware. - -*Features*: - -* up to 4 channels -* up to 500 MHz data rate per channel (KC705 limitation) -* up to 8x interpolation to 2.4 GHz DAC sample rate -* Real-time sample-coherent control over amplitude, frequency, phase of each channel through ARTIQ RTIO commands -* Full configurability of the AD9154 and AD9516 through SPI with ARTIQ kernel support -* All SPI registers and register bits exposed as human readable names -* Parametrized JESD204B core (also capable of operation with eight lanes) -* The code can be reconfigured. Possible example configurations are: support 2 channels at 1 GHz datarate, support 4 channels at 300 MHz data rate, no interpolation, and using mix mode to stress the second and third Nyquist zones (150-300 MHz and 300-450 MHz). Please contact M-Labs if you need help with this. - -The hardware required is a KC705 with an AD9154-FMC-EBZ plugged into the HPC connector and a low-noise sample rate reference clock. - -This work was supported by the Army Research Lab and the University of Maryland. - -The code that was developed for this project is located in several repositories: - -* In ARTIQ, the SAWG and Phaser code: https://github.com/m-labs/artiq -* The Migen/MiSoC JESD204B core: https://github.com/m-labs/jesd204b - - -Installation ------------- - -These installation instructions are a short form of those in the ARTIQ manual. -Please refer to and follow the ARTIQ manual for more details: -https://m-labs.hk/artiq/manual-master/index.html - -* Set up a new conda environment and activate it. -* Install the standard ARTIQ runtime/install dependencies. - See ``conda/artiq/meta.yaml`` for a list. - They are all packaged as conda packages in ``m-labs/main``. - -* Install the standard ARTIQ build dependencies. - They are all available as conda packages in m-labs/main or m-labs/dev for linux-64: - - - migen - - misoc - - jesd204b - - llvm-or1k - - rust-core-or1k - - cargo - - binutils-or1k-linux - -* Install a recent version of Vivado (tested and developed with 2016.2). -* Do a checkout of ARTIQ: :: - - mkdir ~/src - cd ~/src - git clone --recursive https://github.com/m-labs/artiq.git - cd ../artiq - python setup.py develop - - -Setup ------ - -* Setup the KC705 (jumpers, etc.) observing the ARTIQ manual. - VADJ does not need to be changed. -* On the AD9154-FMC-EBZ put jumpers: - - - on XP1, between pin 5 and 6 (will keep the PIC in reset) - - on JP3 (will force output enable on FXLA108) - -* Compile the ARTIQ Phaser bitstream, bios, and runtime (c.f. ARTIQ manual): :: - - python -m artiq.gateware.targets.phaser - -* From time to time and on request there may be pre-built binaries in the - ``artiq-kc705-phaser`` package on the M-Labs conda package label. -* Generate an ARTIQ configuration flash image with MAC and IP address (see the - documentation for ``artiq_mkfs``). Name it ``phaser_config.bin``. -* Run the following OpenOCD command to flash the ARTIQ phaser design: :: - - openocd -f board/kc705.cfg -c "init; jtagspi_init 0 bscan_spi_xc7k325t.bit; jtagspi_program misoc_phaser_kc705/gateware/top.bin 0x000000; jtagspi_program misoc_phaser_kc705/software/bios/bios.bin 0xaf0000; jtagspi_program misoc_phaser_kc705/software/runtime/runtime.fbi 0xb00000;jtagspi_program phaser_config.bin 0xb80000; xc7_program xc7.tap; exit" - - The proxy bitstream ``bscan_spi_xc7k325t.bit`` can be found at https://github.com/jordens/bscan_spi_bitstreams or in any ARTIQ conda package for the KC705. - See the source code of ``artiq_flash.py`` from ARTIQ for more details. - - If you are using the OpenOCD Conda package: - - * locate the OpenOCD scripts directory with: ``python3 -c "import artiq.frontend.artiq_flash as af; print(af.scripts_path)"`` - * add ``-s `` to the OpenOCD command line. - -* Refer to the ARTIQ documentation to configure an IP address and other settings for the transmitter device. - If the board was running stock ARTIQ before, the settings will be kept. -* A 300 MHz clock of roughly 10 dBm (0.2 to 3.4 V peak-to-peak into 50 Ohm) must be connected to the AD9154-FMC-EBZ J1. The input is 50 Ohm terminated. The RTIO clock, DAC deviceclock, FPGA deviceclock, and SYSREF are derived from this signal. -* The RTIO coarse clock (the rate of the RTIO timestamp counter) is 150 - MHz. The RTIO ``ref_period`` is 1/150 MHz = 5ns/6. The RTIO ``ref_multiplier`` is ``8``. C.f. ``device_db.py`` for both variables. The JED204B DAC data rate and DAC device clock are both 300 MHz. The JESD204B line rate is 6 GHz. -* Configure an oscilloscope to trigger at 0.5 V on rising edge of ttl_sma (user_gpio_n on the KC705 board). Monitor DAC0 (J17) on the oscilloscope set for 100 mV/div and 200 ns/div. -* An example device database, several status and test scripts are provided in ``artiq/examples/phaser/``. :: - - cd artiq/examples/phaser - -* Edit ``device_db.py`` to match the hostname or IP address of the core device. -* Use ``ping`` and ``flterm`` to verify that the core device starts up and boots correctly. - -Usage ------ - -* Run ``artiq_run repository/demo.py`` for an example that exercises several different use cases of synchronized phase, amplitude, and frequency updates. - for an example that exercises several different use cases of synchronized phase, amplitude, and frequency updates. -* Run ``artiq_run repository/demo_2tone.py`` for an example that emits a shaped two-tone pulse. -* Implement your own experiments using the SAWG channels. -* Verify clock stability between the sample rate reference clock and the DAC outputs. diff --git a/doc/manual/core_device.rst b/doc/manual/core_device.rst index 79a20f455..efe153c30 100644 --- a/doc/manual/core_device.rst +++ b/doc/manual/core_device.rst @@ -133,11 +133,73 @@ To avoid I/O contention, the startup kernel should first program the TCA6424A ex See :mod:`artiq.coredevice.i2c` for more details. +.. _phaser: + Phaser ++++++ The Phaser adapter is an AD9154-FMC-EBZ, a 4 channel 2.4 GHz DAC on an FMC HPC card. +Phaser is a proof-of-concept design of a GHz-datarate, multi-channel, interpolating, multi-tone, direct digital synthesizer (DDS) compatible with ARTIQ's RTIO channels. +Ultimately it will be the basis for the ARTIQ Sayma Smart Arbitrary Waveform Generator project. See https://github.com/m-labs/sinara. + +*Features*: + +* up to 4 channels +* up to 500 MHz data rate per channel (KC705 limitation) +* up to 8x interpolation to 2.4 GHz DAC sample rate +* Real-time sample-coherent control over amplitude, frequency, phase of each channel through ARTIQ RTIO commands +* Full configurability of the AD9154 and AD9516 through SPI with ARTIQ kernel support +* All SPI registers and register bits exposed as human readable names +* Parametrized JESD204B core (also capable of operation with eight lanes) +* The code can be reconfigured. Possible example configurations are: support 2 channels at 1 GHz datarate, support 4 channels at 300 MHz data rate, no interpolation, and using mix mode to stress the second and third Nyquist zones (150-300 MHz and 300-450 MHz). Please contact M-Labs if you need help with this. + +The hardware required is a KC705 with an AD9154-FMC-EBZ plugged into the HPC connector and a low-noise sample rate reference clock. + +This work was supported by the Army Research Lab and the University of Maryland. + +Installation +............ + +These installation instructions are a short form of those in the ARTIQ manual. +* See the chapter on setting up a :ref:`development environment `. +* When compiling the binaries, use the ``phaser`` target::: + $ python -m artiq.gateware.targets.phaser +* From time to time and on request there may be pre-built binaries in the + ``artiq-kc705-phaser`` package on the M-Labs conda package label. + +Setup +..... + +* Setup the KC705 (jumpers, etc.) observing the ARTIQ manual. VADJ does not need to be changed. +* On the AD9154-FMC-EBZ put jumpers: + + - on XP1, between pin 5 and 6 (will keep the PIC in reset) + - on JP3 (will force output enable on FXLA108) + +* Refer to the ARTIQ documentation to configure the MAC and IP addresses and other settings. If the board was running stock ARTIQ before, the settings will be kept. +* A 300 MHz clock of roughly 10 dBm (0.2 to 3.4 V peak-to-peak into 50 Ohm) must be connected to the AD9154-FMC-EBZ J1. The input is 50 Ohm terminated. The RTIO clock, DAC deviceclock, FPGA deviceclock, and SYSREF are derived from this signal. +* The RTIO coarse clock (the rate of the RTIO timestamp counter) is 150 MHz. The RTIO ``ref_period`` is 1/150 MHz = 5ns/6. The RTIO ``ref_multiplier`` is ``8``. C.f. ``device_db.py`` for both variables. The JED204B DAC data rate and DAC device clock are both 300 MHz. The JESD204B line rate is 6 GHz. +* Configure an oscilloscope to trigger at 0.5 V on rising edge of ttl_sma (user_gpio_n on the KC705 board). Monitor DAC0 (J17) on the oscilloscope set for 100 mV/div and 200 ns/div. +* An example device database, several status and test scripts are provided in ``artiq/examples/phaser/``. :: + + cd artiq/examples/phaser + +* Edit ``device_db.py`` to match the hostname or IP address of the core device. +* Use ``ping`` and ``flterm`` to verify that the core device starts up and boots correctly. + +Usage +..... + +* Run ``artiq_run repository/demo.py`` for an example that exercises several different use cases of synchronized phase, amplitude, and frequency updates. + for an example that exercises several different use cases of synchronized phase, amplitude, and frequency updates. +* Run ``artiq_run repository/demo_2tone.py`` for an example that emits a shaped two-tone pulse. +* Implement your own experiments using the SAWG channels. +* Verify clock stability between the sample rate reference clock and the DAC outputs. + +RTIO channels +............. + +--------------+------------+--------------+ | RTIO channel | TTL line | Capability | +==============+============+==============+