This is an STM32 library that makes it easy to write sketches that talk to DCS-BIOS.
It's a attempt trasnfer arduino library to STM32. Is strong customized solution and support only stm32l476xx (NUCLEO-L476RG for example)
DCS-BIOS STM32 Library is fork from DCSFlightPanels.
All information you can be found here following here: https://github.com/DCSFlightpanels/dcs-bios-arduino-library/wiki