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README.md 1015B
README.md 1015B
RP2040 Trackball Firmware
For use with Raspberry Pi Pico boards.
Adapted from the dev_hid_composite pico-example from GitHub, as well as the tinyusb-cdc-example from GitHub.
Supports PMW3360 optical mouse sensors.
Quick Start
When compiling for the first time, check out the required git submodules.
git submodule update --init
cd pico-sdk
git submodule update --init
Then do this to build.
mkdir build
cd build
cmake ..
make trackball
And flash the resulting trackball.uf2 file to your Pico as usual.
For convenience you can use the included flash.sh, as long as you flashed the binary manually once before.
make trackball
../flash.sh trackball.uf2
For debugging a serial port will be presented by the firmware.
Open it using eg. picocom, or with the included debug.sh script.