LD_FILE = boards/samd21x18-bootloader-external-flash.ld
USB_VID = 0x239A
USB_PID = 0x8014
USB_PRODUCT = "Metro M0 Express"
USB_MANUFACTURER = "Adafruit Industries LLC"

SPI_FLASH_FILESYSTEM = 1
LONGINT_IMPL = MPZ

CHIP_VARIANT = SAMD21G18A
CHIP_FAMILY = samd21