Here are Code Snippets for both processors on Arduino Yún:
- Atheros AR9331 running openWRT
- ATmega32u4
Arduino IDE V1.5.4 is the first version supporting Arduino Yún.
Please pay attention to the IDE version when you port Arduino sketches build with an IDE version less then 1.0.!
If you are interested in further Arduino code samples then have a look to https://sourceforge.net/projects/arduinosources/ please.