USB_VID = 0x239A USB_PID = 0x804E USB_PRODUCT = "snekboard" USB_MANUFACTURER = "keithp.com" CHIP_VARIANT = SAMD21G18A CHIP_FAMILY = samd21 SPI_FLASH_FILESYSTEM = 1 EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ" LONGINT_IMPL = MPZ