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manual: explain how to compile and flash the idle kernel

This commit is contained in:
Yann Sionneau 2015-05-29 16:30:32 +02:00
parent 048782e26c
commit 7ec0bc0470
3 changed files with 26 additions and 5 deletions
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2
doc/manual/getting_started.rst
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@ -1,6 +1,8 @@
Getting started
===============
.. _connecting-to-the-core-device:
Connecting to the core device
-----------------------------

20
doc/manual/installing.rst
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@ -168,6 +168,26 @@ The communication parameters are 115200 8-N-1.
.. note:: The reset button of the KC705 board is the "CPU_RST" labeled button.
.. warning:: Both those instructions will result in the flash storage being wiped out. However you can use the test mode to change the IP/MAC without erasing everything if you skip the "fserase" command.
* (optional) Flash the ``idle`` kernel
The ``idle`` kernel is the kernel (some piece of code running on the core device) which the core device runs whenever it is not connected to a PC via ethernet.
This kernel is therefore stored in the :ref:`core device configuration flash storage <core-device-flash-storage>`.
To flash the ``idle`` kernel:
* Compile the ``idle`` experiment:
The ``idle`` experiment's ``run()`` method must be a kernel: it must be decorated with the ``@kernel`` decorator (see :ref:`next topic <connecting-to-the-core-device>` for more information about kernels).
Moreover, since the core device is not connected to the PC: RPC are forbidden in this ``idle`` experiment.
::
$ artiq_compile idle.py
* Write it into the core device configuration flash storage: ::
$ artiq_coreconfig -f idle_kernel idle.elf
.. note:: You can find more information about how to use the ``artiq_coreconfig`` tool on the :ref:`Utilities <core-device-configuration-tool>` page.
Installing the host-side software
---------------------------------

9
doc/manual/utilities.rst
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@ -117,12 +117,11 @@ To write the value ``test_value`` in the key ``my_key``::
$ artiq_coreconfig -r my_key
b'test_value'
You can also write entire files in a record using the ``-f`` parameter::
You can also write entire files in a record using the ``-f`` parameter. This is useful for instance to write the ``idle`` kernel in the flash storage::
$ echo "this_is_a_test" > my_filename
$ artiq_coreconfig -f my_key my_filename
$ artiq_coreconfig -r my_key
b'this_is_a_test\n'
$ artiq_coreconfig -f idle_kernel idle.elf
$ artiq_coreconfig -r idle_kernel | head -c9
b'\x7fELF
You can write several records at once::