# define the cpu used by the arduino uno board
  export CPU = atmega328p
  
  USEMODULE += arduino-atmega-common
  
  # export needed for flash rule
  export PORT_LINUX ?= /dev/ttyACM0
  export PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
  export PROGRAMMER_SPEED ?= 115200
  
  export FFLAGS += -p m328p
  
  # PROGRAMMER defaults to arduino which is the internal flasher via USB. Can be
  # overridden for debugging (which requires changes that require to use an ISP)
  export PROGRAMMER ?= arduino
  
  include $(RIOTBOARD)/arduino-atmega-common/Makefile.include