I've successfully managed to hook up an RFM12B up to an Arduino Leonardo (ATmega32U4), it was a bit of a port mapping nightmare! The hardware SPI pins and IRQ ports have moved from where they are on the ATmega328. I've added the correct port mapping into RF12.cpp.
I've successfully managed to hook up an RFM12B up to an Arduino Leonardo (ATmega32U4), it was a bit of a port mapping nightmare! The hardware SPI pins and IRQ ports have moved from where they are on the ATmega328. I've added the correct port mapping into RF12.cpp.
Full details and connection diagram here: http://openenergymonitor.blogspot.fr/2012/06/arduino-leonardo-atmega32u4-and-rfm12b.html
All the best, Glyn.