ARM CMSIS module for Arduino IDE
Source is the one provided by ARM at:
- CMSIS 4 (legacy): https://github.com/ARM-software/CMSIS/
- CMSIS 5: https://github.com/ARM-software/CMSIS_5
Main CMSIS URL is https://developer.arm.com/tools-and-software/embedded/cmsis
API Help can be found at https://arm-software.github.io/CMSIS_5/General/html/index.html