CFLAGS += \
  -flto \
  -mthumb \
  -mabi=aapcs \
  -mcpu=cortex-m0 \
  -mfloat-abi=soft \
  -nostdlib -nostartfiles \
  -DSTM32F072xB \
  -DCFG_EXAMPLE_MSC_READONLY \
  -DCFG_TUSB_MCU=OPT_MCU_STM32F0

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

ST_FAMILY = f0
ST_CMSIS = hw/mcu/st/cmsis_device_$(ST_FAMILY)
ST_HAL_DRIVER = hw/mcu/st/stm32$(ST_FAMILY)xx_hal_driver

# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/STM32F072RBTx_FLASH.ld

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_gpio.c \
  $(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_uart.c

SRC_S += \
  $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s

INC += \
  $(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 = stm32_fsdev

# For freeRTOS port source
FREERTOS_PORT = ARM_CM0

# For flash-jlink target
JLINK_DEVICE = stm32f072rb

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