forked from M-Labs/artiq
doc: Refactor management system reference
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Core drivers reference
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Core real-time drivers
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======================
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These drivers are for the core device and the peripherals closely integrated into it, which do not use the controller mechanism.
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@ -1,5 +1,5 @@
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Core language reference
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=======================
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Core language and environment
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=============================
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The most commonly used features from the ARTIQ language modules and from the core device modules are bundled together in ``artiq.experiment`` and can be imported with ``from artiq.experiment import *``.
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@ -51,6 +51,7 @@ ARTIQ manual
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main_frontend_tools
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core_language_reference
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core_drivers_reference
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mgmt_system_reference
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utilities
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.. toctree::
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@ -102,93 +102,4 @@ The experiment must place the hardware in a safe state and disconnect from the c
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Accessing the :meth:`pause` and :meth:`~artiq.master.scheduler.Scheduler.check_pause` methods is done through a virtual device called ``scheduler`` that is accessible to all experiments. The scheduler virtual device is requested like regular devices using :meth:`~artiq.language.environment.HasEnvironment.get_device` (``self.get_device()``) or :meth:`~artiq.language.environment.HasEnvironment.setattr_device` (``self.setattr_device()``).
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:meth:`~artiq.master.scheduler.Scheduler.check_pause` can be called (via RPC) from a kernel, but :meth:`pause` must not be.
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Scheduler API reference
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-----------------------
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The scheduler is exposed to the experiments via a virtual device called ``scheduler``. It can be requested like any regular device, and the methods below, as well as :meth:`pause`, can be called on the returned object.
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The scheduler virtual device also contains the attributes ``rid``, ``pipeline_name``, ``priority`` and ``expid``, which contain the corresponding information about the current run.
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.. autoclass:: artiq.master.scheduler.Scheduler
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:members:
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Client control broadcasts (CCBs)
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--------------------------------
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Client control broadcasts are requests made by experiments for clients to perform some action. Experiments do so by requesting the ``ccb`` virtual device and calling its ``issue`` method. The first argument of the issue method is the name of the broadcast, and any further positional and keyword arguments are passed to the broadcast.
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CCBs are used by experiments to configure applets in the dashboard, for example for plotting purposes.
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.. autoclass:: artiq.dashboard.applets_ccb.AppletsCCBDock
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:members:
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.. _applet-references:
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Applet request interfaces
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-------------------------
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Applet request interfaces allow applets to perform actions on the master database and set arguments in the dashboard. Applets may inherit from ``artiq.applets.simple.SimpleApplet`` and call the methods defined below through the ``req`` attribute.
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Embedded applets should use ``AppletRequestIPC`` while standalone applets use ``AppletRequestRPC``. ``SimpleApplet`` automatically chooses the correct interface on initialization.
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.. autoclass:: artiq.applets.simple._AppletRequestInterface
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:members:
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Applet entry area
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-----------------
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Argument widgets can be used in applets through the :class:`~artiq.gui.applets.EntryArea` class. Below is a simple example code snippet: ::
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entry_area = EntryArea()
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# Create a new widget
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entry_area.setattr_argument("bl", BooleanValue(True))
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# Get the value of the widget (output: True)
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print(entry_area.bl)
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# Set the value
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entry_area.set_value("bl", False)
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# False
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print(entry_area.bl)
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The :class:`~artiq.gui.applets.EntryArea` object can then be added to a layout and integrated with the applet GUI. Multiple :class:`~artiq.gui.applets.EntryArea` objects can be used in a single applet.
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.. class:: artiq.gui.applets.EntryArea
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.. method:: setattr_argument(name, proc, group=None, tooltip=None)
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Sets an argument as attribute. The names of the argument and of the
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attribute are the same.
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:param name: Argument name
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:param proc: Argument processor, for example :class:`~artiq.language.environment.NumberValue`
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:param group: Used to group together arguments in the GUI under a common category
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:param tooltip: Tooltip displayed when hovering over the entry widget
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.. method:: get_value(name)
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Get the value of an entry widget.
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:param name: Argument name
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.. method:: get_values()
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Get all values in the :class:`~artiq.gui.applets.EntryArea` as a dictionary. Names are stored as keys, and argument values as values.
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.. method:: set_value(name, value)
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Set the value of an entry widget. The change is temporary and will reset to default when the reset button is clicked.
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:param name: Argument name
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:param value: Object representing the new value of the argument. For :class:`~artiq.language.scan.Scannable` arguments, this parameter
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should be a :class:`~artiq.language.scan.ScanObject`. The type of the :class:`~artiq.language.scan.ScanObject` will be set as the selected type when this function is called.
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.. method:: set_values(values)
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Set multiple values from a dictionary input. Calls :meth:`set_value` for each key-value pair.
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:param values: Dictionary with names as keys and new argument values as values.
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:meth:`~artiq.master.scheduler.Scheduler.check_pause` can be called (via RPC) from a kernel, but :meth:`pause` must not be.
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Management system interface
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===========================
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ARTIQ makes certain provisions to allow interactions between different components when using the :doc:`management system <management_system>`. An experiment may make requests of the master or clients using virtual devices to represent the necessary line of communication; applets may interact with databases, the dashboard, and directly with the user (through argument widgets). This page collects the references for these features.
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In experiments
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--------------
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``scheduler`` virtual device
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The scheduler is exposed to the experiments via a virtual device called ``scheduler``. It can be requested like any other device, and the methods below, as well as :meth:`pause`, can be called on the returned object.
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The scheduler virtual device also contains the attributes ``rid``, ``pipeline_name``, ``priority`` and ``expid``, which contain the corresponding information about the current run.
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.. autoclass:: artiq.master.scheduler.Scheduler
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:members:
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``ccb`` virtual device
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^^^^^^^^^^^^^^^^^^^^^^
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Client control broadcasts (CCBs) are requests made by experiments for clients to perform some action. Experiments do so by requesting the ``ccb`` virtual device and calling its ``issue`` method. The first argument of the issue method is the name of the broadcast, and any further positional and keyword arguments are passed to the broadcast.
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CCBs are especially used by experiments to configure applets in the dashboard, for example for plotting purposes.
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.. autoclass:: artiq.dashboard.applets_ccb.AppletsCCBDock
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:members:
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In applets
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----------
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.. _applet-references:
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Applet request interfaces
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^^^^^^^^^^^^^^^^^^^^^^^^^
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Applet request interfaces allow applets to perform actions on the master database and set arguments in the dashboard. Applets may inherit from ``artiq.applets.simple.SimpleApplet`` and call the methods defined below through the ``req`` attribute.
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Embedded applets should use ``AppletRequestIPC``, while standalone applets use ``AppletRequestRPC``. ``SimpleApplet`` automatically chooses the correct interface on initialization.
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.. autoclass:: artiq.applets.simple._AppletRequestInterface
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:members:
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Applet entry area
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^^^^^^^^^^^^^^^^^
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Argument widgets can be used in applets through the :class:`~artiq.gui.applets.EntryArea` class. Below is a simple example code snippet: ::
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entry_area = EntryArea()
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# Create a new widget
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entry_area.setattr_argument("bl", BooleanValue(True))
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# Get the value of the widget (output: True)
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print(entry_area.bl)
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# Set the value
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entry_area.set_value("bl", False)
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# False
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print(entry_area.bl)
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The :class:`~artiq.gui.applets.EntryArea` object can then be added to a layout and integrated with the applet GUI. Multiple :class:`~artiq.gui.applets.EntryArea` objects can be used in a single applet.
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.. class:: artiq.gui.applets.EntryArea
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.. method:: setattr_argument(name, proc, group=None, tooltip=None)
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Sets an argument as attribute. The names of the argument and of the
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attribute are the same.
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:param name: Argument name
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:param proc: Argument processor, for example :class:`~artiq.language.environment.NumberValue`
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:param group: Used to group together arguments in the GUI under a common category
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:param tooltip: Tooltip displayed when hovering over the entry widget
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.. method:: get_value(name)
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Get the value of an entry widget.
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:param name: Argument name
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.. method:: get_values()
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Get all values in the :class:`~artiq.gui.applets.EntryArea` as a dictionary. Names are stored as keys, and argument values as values.
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.. method:: set_value(name, value)
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Set the value of an entry widget. The change is temporary and will reset to default when the reset button is clicked.
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:param name: Argument name
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:param value: Object representing the new value of the argument. For :class:`~artiq.language.scan.Scannable` arguments, this parameter
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should be a :class:`~artiq.language.scan.ScanObject`. The type of the :class:`~artiq.language.scan.ScanObject` will be set as the selected type when this function is called.
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.. method:: set_values(values)
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Set multiple values from a dictionary input. Calls :meth:`set_value` for each key-value pair.
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:param values: Dictionary with names as keys and new argument values as values.
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