ST_FAMILY = u5

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

include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= cortex-m33

CFLAGS += \
  -DCFG_TUSB_MCU=OPT_MCU_STM32U5

# suppress warning caused by vendor mcu driver
CFLAGS += \
  -flto \
  -Wno-error=cast-align \
  -Wno-error=undef \
  -Wno-error=unused-parameter \
  -Wno-error=type-limits \
  -Wno-self-assign \

ifeq ($(TOOLCHAIN),gcc)
CFLAGS += -Wno-error=maybe-uninitialized
endif

LDFLAGS += \
  -nostdlib -nostartfiles \
  --specs=nosys.specs --specs=nano.specs

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_gpio.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_icache.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_pwr_ex.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_uart_ex.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_adc.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_adc_ex.c \
	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_tim.c

ifneq ($(filter stm32u545xx stm32u535xx,$(MCU_VARIANT)),)
SRC_C += \
	src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
	src/portable/st/stm32_fsdev/hcd_stm32_fsdev.c \
	src/portable/st/stm32_fsdev/fsdev_common.c
else
SRC_C += \
	src/portable/synopsys/dwc2/dcd_dwc2.c \
	src/portable/synopsys/dwc2/hcd_dwc2.c \
	src/portable/synopsys/dwc2/dwc2_common.c
endif
SRC_C += \
	src/portable/st/typec/typec_stm32.c

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

# Startup
SRC_S += $(ST_CMSIS)/Source/Templates/gcc/startup_$(MCU_VARIANT).s

# Linker

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