LD_FILE = boards/samd21x18-bootloader-external-flash.ld
USB_VID = 0x239A
USB_PID = 0x8023
USB_PRODUCT = "Feather M0 Express"
USB_MANUFACTURER = "Adafruit Industries LLC"

SPI_FLASH_FILESYSTEM = 1

CHIP_VARIANT = SAMD21G18A
CHIP_FAMILY = samd21