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The Qt Serial Bus API provides classes and functions to access the various
industrial serial buses and protocols, such as CAN, ModBus, and others.
Getting Started
^^^^^^^^^^^^^^^
To include the definitions of modules classes, use the following
directive:
::
import PySide6.QtSerialBus
Supported Buses and Protocols
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* Qt CAN Bus
* Qt Modbus
Logging Categories
^^^^^^^^^^^^^^^^^^
The QtSerialBus module exports the following logging categories:
.. list-table::
:header-rows: 1
* - Logging Category
- Description
* - qt.canbus
- Enables standard logging inside the Qt CAN Bus classes
* - qt.canbus.plugins
- Enables low level logging inside the Qt CAN Bus plugin classes. To set logging for a specific plugin, use ``qt.canbus.plugins.pluginname``, e.g. ``qt.canbus.plugins.socketcan``. ``qt.canbus.plugins*`` affects all plugins.
* - qt.modbus
- Enables standard logging inside the Qt Modbus classes
* - qt.modbus.lowlevel
- Enables low level logging including individual packet content inside the Qt Modbus classes
Logging categories can be used to enable additional warning and debug output
for QtSerialBus.
A quick way to enable all Qt Modbus logging is to add the following line:
.. code-block:: python
QLoggingCategory.setFilterRules("qt.modbus* = true")
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