UF2_FAMILY_ID = 0xADA52840
DEPS_SUBMODULES = lib/CMSIS_5 hw/mcu/nordic/nrfx

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

CFLAGS += \
  -flto \
  -mthumb \
  -mabi=aapcs \
  -mcpu=cortex-m4 \
  -mfloat-abi=hard \
  -mfpu=fpv4-sp-d16 \
  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
  -DCONFIG_GPIO_AS_PINRESET

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

# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
  ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
  CFLAGS += -Wno-error=cast-function-type
  endif
else
  ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
  CFLAGS += -Wno-error=cast-function-type
  endif
endif

# All source paths should be relative to the top level.
LD_FILE ?= hw/bsp/nrf/boards/$(BOARD)/nrf52840_s140_v6.ld

LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk

SRC_C += \
  hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
  hw/mcu/nordic/nrfx/drivers/src/nrfx_uarte.c \
  hw/mcu/nordic/nrfx/mdk/system_$(MCU_VARIANT).c

INC += \
  $(TOP)/$(BOARD_PATH) \
  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
  $(TOP)/hw/mcu/nordic \
  $(TOP)/hw/mcu/nordic/nrfx \
  $(TOP)/hw/mcu/nordic/nrfx/mdk \
  $(TOP)/hw/mcu/nordic/nrfx/hal \
  $(TOP)/hw/mcu/nordic/nrfx/drivers/include \
  $(TOP)/hw/mcu/nordic/nrfx/drivers/src \

SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_$(MCU_VARIANT).S

ASFLAGS += -D__HEAP_SIZE=0

# For TinyUSB port source
VENDOR = nordic
CHIP_FAMILY = nrf5x

# For freeRTOS port source
FREERTOS_PORT = ARM_CM4F

# For flash-jlink target
JLINK_DEVICE = $(MCU_VARIANT)_xxaa