# define the cpu used by the saml21 board export CPU = saml21 export CPU_MODEL = saml21j18a export CFLAGS += -D__SAML21J18A__ # setup serial terminal PORT_LINUX ?= /dev/ttyACM0 include $(RIOTMAKE)/tools/serial.inc.mk # this board uses openocd include $(RIOTMAKE)/tools/openocd.inc.mk