A lightweight Arduino framework for Keil projects.

USB Audio Class headphones on STM32(-ish)

Open source ARM Cortex-M microcontroller library

GMP102 barometer example code for Artery AT-START-F403 evaluation board

GMA30xKU accelerometer example code for Artery AT-START-F403 evaluation board

GMEMS eCompass (g+m-sensor) example code for Artery AT-START-F403 evaluation board

GMC303 magnetometer example code for Artery AT-START-F403 evaluation board

GMC306x magnetometer example code for Artery AT-START-F403 evaluation board