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149 lines
5.1 KiB
ReStructuredText
149 lines
5.1 KiB
ReStructuredText
Utilities
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=========
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Local running tool
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------------------
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.. argparse::
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:ref: artiq.frontend.artiq_run.get_argparser
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:prog: artiq_run
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Remote Procedure Call tool
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--------------------------
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.. argparse::
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:ref: artiq.frontend.artiq_rpctool.get_argparser
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:prog: artiq_rpctool
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This tool is the preferred way of handling simple ARTIQ controllers.
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Instead of writing a client for very simple cases you can just use this tool
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in order to call remote functions of an ARTIQ controller.
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* Listing existing targets
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The ``list-targets`` sub-command will print to standard output the
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target list of the remote server::
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$ artiq_rpctool.py hostname port list-targets
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* Listing callable functions
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The ``list-methods`` sub-command will print to standard output a sorted
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list of the functions you can call on the remote server's target.
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The list will contain function names, signatures (arguments) and
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docstrings.
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If the server has only one target, you can do::
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$ artiq_rpctool.py hostname port list-methods
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Otherwise you need to specify the target, using the ``-t target``
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option::
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$ artiq_rpctool.py hostname port list-methods -t target_name
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* Remotely calling a function
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The ``call`` sub-command will call a function on the specified remote
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server's target, passing the specified arguments.
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Like with the previous sub-command, you only need to provide the target
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name (with ``-t target``) if the server hosts several targets.
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The following example will call the ``set_attenuation`` method of the
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Lda controller with the argument ``5``::
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$ artiq_rpctool.py ::1 3253 call -t lda set_attenuation 5
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In general, to call a function named ``f`` with N arguments named
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respectively ``x1, x2, ..., xN`` you can do::
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$ artiq_rpctool.py hostname port call -t target f x1 x2 ... xN
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You can use Python syntax to compute arguments as they will be passed
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to the ``eval()`` primitive. The numpy package is available in the namespace
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as ``np``. Beware to use quotes to separate arguments which use spaces::
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$ artiq_rpctool.py hostname port call -t target f '3 * 4 + 2' True '[1, 2]'
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$ artiq_rpctool.py ::1 3256 call load_sample_values 'np.array([1.0, 2.0], dtype=float)'
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If the called function has a return value, it will get printed to
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the standard output if the value is not None like in the standard
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python interactive console::
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$ artiq_rpctool.py ::1 3253 call get_attenuation
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5.0 dB
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Static compiler
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---------------
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This tool compiles an experiment into a ELF file. It is primarily used to prepare binaries for the default experiment loaded in non-volatile storage of the core device.
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Experiments compiled with this tool are not allowed to use RPCs, and their ``run`` entry point must be a kernel.
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.. argparse::
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:ref: artiq.frontend.artiq_compile.get_argparser
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:prog: artiq_compile
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Flash storage image generator
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-----------------------------
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This tool compiles key/value pairs into a binary image suitable for flashing into the flash storage space of the core device.
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.. argparse::
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:ref: artiq.frontend.artiq_mkfs.get_argparser
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:prog: artiq_mkfs
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.. _core-device-configuration-tool:
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Core device configuration tool
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------------------------------
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The artiq_coreconfig tool allows to read, write and remove key-value records from the :ref:`core-device-flash-storage`.
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It also allows to erase the entire flash storage area.
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To use this tool, you need to specify a ``ddb.pyon`` DDB file which contains a ``comm`` device (an example is provided in ``artiq/examples/master/ddb.pyon``).
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This tells the tool how to connect to the core device (via serial or via TCP) and with which parameters (baudrate, serial device, IP address, TCP port).
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When not specified, the artiq_coreconfig tool will assume that there is a file named ``ddb.pyon`` in the current directory.
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To read the record whose key is ``mac``::
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$ artiq_coreconfig -r mac
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To write the value ``test_value`` in the key ``my_key``::
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$ artiq_coreconfig -w my_key test_value
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$ artiq_coreconfig -r my_key
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b'test_value'
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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::
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$ artiq_coreconfig -f idle_kernel idle.elf
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$ artiq_coreconfig -r idle_kernel | head -c9
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b'\x7fELF
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You can write several records at once::
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$ artiq_coreconfig -w key1 value1 -f key2 filename -w key3 value3
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To remove the previously written key ``my_key``::
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$ artiq_coreconfig -d my_key
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To erase the entire flash storage area::
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$ artiq_coreconfig -e
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You don't need to remove a record in order to change its value, just overwrite
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it::
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$ artiq_coreconfig -w my_key some_value
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$ artiq_coreconfig -w my_key some_other_value
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$ artiq_coreconfig -r my_key
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b'some_other_value'
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.. argparse::
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:ref: artiq.frontend.artiq_coreconfig.get_argparser
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:prog: artiq_coreconfig
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