I used a Sam D20 Xplained pro connect to Atmega32 though SPI.
When Atmega32 is master and Atmega32 is slave I can receive data from master.
But in revert mode Atmega32 is master, Sam D20 is slave, I can't receive any data.
I used ASF code (both Polling and Callback).
Have any point I must config for working?