Python footswitch driver

Exported from TRI's Anzu codebase

Meant for using the following device https://www.amazon.com/PCsensor-Customized-Computer-Multimedia-Photoelectric/dp/B08SLX75K8

Dependencies

Only tested on Ubuntu 22.04

• Bazel
• sudo apt install libhidapi-dev python3-hid

Configuring

Note: This is the only need for @rgerganov_footswitch depedency

Plug in device, run:

sudo ./tools/workspace/rgerganov_footswitch/udev_footpedal.sh
bazel build @rgerganov_footswitch//:footswitch
# Note: You may need to unplug and plug in the device at this point.
bazel-bin/external/rgerganov_footswitch/footswitch -1 -k pageup -2 -k down -3 -k pagedown

Running

You just need to use FootSwitch class from footswitch.py. This allows you to query the device without needing to open windows (as you might need to do using pygame or opencv to get keyboard strokes).

bazel run //:footswitch_demo