## the cpu to build for export CPU = stm32f1 export CPU_MODEL = stm32f103re # set default port depending on operating system PORT_LINUX ?= /dev/ttyUSB1 PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbserial*))) # setup serial terminal include $(RIOTMAKE)/tools/serial.inc.mk # this board uses openocd include $(RIOTMAKE)/tools/openocd.inc.mk