This is the source code of the MMDVM firmware that supports D-Star, DMR, System Fusion and P25.
Currently it only runs on the Arduino Due, but other platforms are planned.
In order to build this software you will need to edit a file within the Arduino GUI and that is detailed in the BUILD.txt file.
This software is licenced under the GPL v2 and is intended for amateur and educational use only. Use of this software for commercial purposes is strictly forbidden.