STM32F407 firmware
```
git clone --recurse-submodules https://github.com/rusefi/rusefi
cd firmware
make
```

virtual serial port

PC application to send commands: [rusEFI Firmware bundle](https://rusefi.com/build_server/rusefi_bundle.zip)

See also https://github.com/rusefi/rusefi/blob/master/firmware/setup_linux_environment.sh

[ChibiOS](https://www.chibios.org/)