MCU_SERIES = m4
MCU_VARIANT = nrf52
MCU_SUB_VARIANT = nrf52840
SD ?= s140
SOFTDEV_VERSION ?= 6.0.0

BOOT_SETTING_ADDR = 0xFF000
BOOT_FILE = boards/$(BOARD)/bootloader/$(SOFTDEV_VERSION)/$(BOARD)_bootloader_$(SOFTDEV_VERSION)_s140

ifeq ($(SD),)
	LD_FILE = boards/nrf52840_1M_256k.ld
else
	LD_FILE = boards/bluefruit_$(MCU_SUB_VARIANT)_$(SD_LOWER)_$(SOFTDEV_VERSION).ld
endif


NRF_DEFINES += -DNRF52840_XXAA
NRF_DEFINES += -DADAFRUIT_FEATHER52840