An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on an Arduino Mega2560 - how-eee/grbl-Mega ...

I have tried to compile it for the Arduino Mega 2560 and Ramps 1.4 Board. I changed the in the Config.h: #include "grbl.h" // For Arduino IDE compatibility. // Define CPU pin map and default settings.