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Deprecated

This driver repository is deprecated. Please use the new driver available here: https://github.com/Sensirion/python-i2c-stc3x

Python Driver for Sensirion I²C STC3x Sensors

This repository contains the Python driver to communicate with Sensirion STC3x sensors using the I²C interface. For details, please read the package description in README.rst.

Supported Sensors

• STC31: The STC31 is a chip-sized gas concentration sensor for high range, accurate CO2 measurements designed for high-volume production.

Usage

See package description in README.rst and user manual at https://sensirion.github.io/python-i2c-stc/.

Development

We develop and test this driver using our company internal tools (version control, continuous integration, code review etc.) and automatically synchronize the master branch with GitHub. But this doesn't mean that we don't respond to issues or don't accept pull requests on GitHub. In fact, you're very welcome to open issues or create pull requests :)

Check coding style

The coding style can be checked with flake8:

pip install -e .[test]  # Install requirements
flake8                  # Run style check

In addition, we check the formatting of files with editorconfig-checker:

pip install editorconfig-checker==2.0.3   # Install requirements
editorconfig-checker                      # Run check

Run tests

Unit tests can be run with pytest:

pip install -e .[test]                             # Install requirements
pytest -m "not needs_device"                       # Run tests without hardware
pytest                                             # Run all tests
pytest -m "not (needs_device and not needs_stc4x)" # Run all tests for stc3x

The tests with the marker needs_stc3x have following requirements:

• An STC3x device must be connected to a SensorBridge on port 1.
• Pass the serial port where the SensorBridge is connected with --serial-port, e.g. pytest --serial-port=COM7
• The SensorBridge must have default settings (baudrate 460800, address 0)

Build documentation

The documentation can be built with Sphinx:

python setup.py install                        # Install package
pip install -r docs/requirements.txt           # Install requirements
sphinx-versioning build docs docs/_build/html  # Build documentation

License

See LICENSE.