LD_FILE = boards/samd51x19-bootloader-external-flash.ld USB_VID = 0x239A USB_PID = 0x8048 USB_PRODUCT = "Monster M4SK" USB_MANUFACTURER = "Adafruit Industries LLC" CHIP_VARIANT = SAMD51J19A CHIP_FAMILY = samd51 QSPI_FLASH_FILESYSTEM = 1 EXTERNAL_FLASH_DEVICE_COUNT = 1 EXTERNAL_FLASH_DEVICES = GD25Q64C LONGINT_IMPL = MPZ