CFLAGS += -DSTM32F439xx LD_FILE = $(BOARD_PATH)/STM32F439ZITX_FLASH.ld SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f439xx.s # For flash-jlink target JLINK_DEVICE = stm32f439zi # flash target using on-board stlink flash: flash-stlink