# define the used CPU
  export CPU = lpc1768
  
  # define the default port depending on the host OS
  PORT_LINUX ?= /dev/ttyUSB0
  PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.SLAB_USBtoUART*)))
  
  # setup serial terminal
  include $(RIOTMAKE)/tools/serial.inc.mk
  
  # this board uses openocd
  include $(RIOTMAKE)/tools/openocd.inc.mk
  
  # generate image checksum from hex file
  export PRE_FLASH_CHECK_SCRIPT = lpc_checksum --format hex
  
  # remap flash to address 0x0, otherwise it verifies the rom bootloader
  export OPENOCD_PRE_VERIFY_CMDS += '-c reset init'