USB_VID = 0x239A USB_PID = 0x802A USB_PRODUCT = "Feather nRF52840 Express" USB_MANUFACTURER = "Adafruit Industries LLC" MCU_SERIES = m4 MCU_VARIANT = nrf52 MCU_SUB_VARIANT = nrf52840 MCU_CHIP = nrf52840 SD ?= s140 SOFTDEV_VERSION ?= 6.1.0 BOOT_SETTING_ADDR = 0xFF000 ifeq ($(SD),) LD_FILE = boards/nrf52840_1M_256k.ld else LD_FILE = boards/adafruit_$(MCU_SUB_VARIANT)_$(SD_LOWER)_v$(firstword $(subst ., ,$(SOFTDEV_VERSION))).ld endif NRF_DEFINES += -DNRF52840_XXAA -DNRF52840 QSPI_FLASH_FILESYSTEM = 1 EXTERNAL_FLASH_DEVICE_COUNT = 1 EXTERNAL_FLASH_DEVICES = "GD25Q64C"