# tell the build system that the CPU depends on the atmega common files USEMODULE += atmega_common RAM_LEN = 8K ROM_LEN = 256K # expand atmega_pcint with additional PCINTs for atmega2560 ifneq (,$(filter atmega_pcint,$(USEMODULE))) USEMODULE += atmega_pcint1 atmega_pcint2 endif # CPU depends on the atmega common module, so include it include $(RIOTCPU)/atmega_common/Makefile.include