Some References on how to develop things using uinput

• uinput: https://www.kernel.org/doc/html/latest/input/uinput.html
• event codes: https://www.kernel.org/doc/html/latest/input/event-codes.html
• multi-touch protocol: https://www.kernel.org/doc/html/latest/input/multi-touch-protocol.html

Other projects using uinput

• https://github.com/rfc2822/GfxTablet
• https://github.com/bsteinsbo/rpi_touch_driver

Debugging

• libinput debug-events
• evtest