CFLAGS += -DSTM32H743xx -DHSE_VALUE=25000000 # Default is Highspeed port PORT ?= 1 SPEED ?= high SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_stm32h743xx.s LD_FILE = $(BOARD_PATH)/stm32h743xx_flash.ld # For flash-jlink target JLINK_DEVICE = stm32h743xi # flash target using on-board stlink flash: flash-stlink