CFLAGS += \
  -flto \
  -mthumb \
  -mabi=aapcs \
  -mcpu=cortex-m4 \
  -mfloat-abi=hard \
  -mfpu=fpv4-sp-d16 \
  -DNRF52833_XXAA \
  -DCONFIG_GPIO_AS_PINRESET \
  -DCFG_TUSB_MCU=OPT_MCU_NRF5X

# nrfx issue undef _ARMCC_VERSION usage https://github.com/NordicSemiconductor/nrfx/issues/49
CFLAGS += -Wno-error=undef -Wno-error=unused-parameter

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

# All source paths should be relative to the top level.
LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52833_xxaa.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_nrf52833.c \

INC += \
	$(TOP)/lib/CMSIS_4/CMSIS/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_nrf52833.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 = nRF52833_XXAA
JLINK_IF = swd

# flash using jlink
flash: flash-jlink
