include $(TOP)/$(BOARD_PATH)/board.mk

CFLAGS += \
  -flto \
  -mthumb \
  -mabi=aapcs \
  -mcpu=cortex-m4 \
  -mfloat-abi=hard \
  -mfpu=fpv4-sp-d16 \
  -nostdlib -nostartfiles \
  -DCFG_TUSB_MCU=OPT_MCU_STM32F4

# suppress warning caused by vendor mcu driver
CFLAGS += -Wno-error=cast-align

ST_FAMILY = f4
ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver

SRC_C += \
	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_rcc_ex.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_gpio.c

INC += \
	$(TOP)/$(BOARD_PATH) \
	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
	$(TOP)/$(ST_CMSIS)/Include \
	$(TOP)/$(ST_HAL_DRIVER)/Inc \
	$(TOP)/hw/bsp/$(BOARD)

# For TinyUSB port source
VENDOR = st
CHIP_FAMILY = synopsys

# For freeRTOS port source
FREERTOS_PORT = ARM_CM4F

# flash target using on-board stlink
flash: flash-stlink