Could you tell me if there is a #define that identifies whether the board is a ARM/Due or an AVR/Uno/Mega/Leonard/etc? The best I could come up with it to just pick a random #define that is in the Arduino.h file for the Due, but not in the Arduino.h file for the atmega core. I stuck this at the top…

Identifying Due in Libraries

pjrc October 25, 2012, 9:12am 11

Nantonos:
And what would be a suitable check for Teensy 3.0?

#if defined(MK20DX128)