Python library for working with the PD Buddy Sink Serial Console Configuration Interface
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Clara Hobbs 2731e98112 Bump version number to 0.4.0 5 anos atrás
pdbuddy Added calculations for PDO lists 5 anos atrás
test_pdbuddy Added calculations for PDO lists 5 anos atrás
.gitignore Initial commit 5 anos atrás
LICENSE Added a simple PD Buddy Sink configuration library 5 anos atrás
README.rst Added get_source_cap and PDO support 5 anos atrás
setup.py Bump version number to 0.4.0 5 anos atrás

README.rst

pd-buddy-python
===============

Python library for working with the PD Buddy Sink Serial Console
Configuration Interface

Features
--------

- Provides a Pythonic interface to the PD Buddy Sink shell commands
- Configuration is represented as a SinkConfig object
- SinkConfig objects can be manipulated locally and written to the
device with one method call
- Allows control of whether or not the output is enabled
- Provides a Pythonic interface for reading advertised PDOs

Examples
--------

Open the first PD Buddy Sink device and read its configuration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

::

>>> import pdbuddy
>>> pdbs = pdbuddy.Sink(list(pdbuddy.Sink.get_devices())[0])
>>> pdbs.get_cfg()
SinkConfig(status=<SinkStatus.VALID: 2>, flags=<SinkFlags.NONE: 0>, v=5000, i=3000)
>>> print(pdbs.get_cfg())
status: valid
flags: (none)
v: 5.00 V
i: 3.00 A

Locally manipulate a SinkConfig object
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

::

>>> cfg = pdbs.get_cfg()
>>> cfg = cfg._replace(v=20000, i=2250)
>>> cfg = cfg._replace(flags=cfg.flags | pdbuddy.SinkFlags.GIVEBACK)
>>> cfg
SinkConfig(status=<SinkStatus.VALID: 2>, flags=<SinkFlags.GIVEBACK: 1>, v=20000, i=2250)

Write the SinkConfig object to flash
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

::

>>> pdbs.set_tmpcfg(cfg)
>>> pdbs.write()
>>> pdbs.get_cfg()
SinkConfig(status=<SinkStatus.VALID: 2>, flags=<SinkFlags.GIVEBACK: 1>, v=20000, i=2250)

Requirements
------------

- Python 2.7, >= 3.3
- pySerial >= 3.0
- aenum >= 2.0 (if using Python < 3.6)

Testing
-------

To run the unit tests, run::

$ python setup.py test

This will test the Sink class only if a PD Buddy Sink is plugged in and in
setup mode, so make sure that's the case if you're testing any changes to the
Sink class. Also, make sure the Status LED is blinking quickly when the tests
are run, since that's the only real way to test the ``identify`` command. Be
aware that the Sink's configuration will get clobbered by the tests.