LD_FILE = boards/samd21x18-bootloader-external-flash-crystalless.ld USB_VID = 0x239A USB_PID = 0x8060 USB_PRODUCT = "StringCar M0 Express" USB_MANUFACTURER = "Cedar Grove Studios" CHIP_VARIANT = SAMD21E18A CHIP_FAMILY = samd21 SPI_FLASH_FILESYSTEM = 1 EXTERNAL_FLASH_DEVICE_COUNT = 1 EXTERNAL_FLASH_DEVICES = AT25SF161 LONGINT_IMPL = MPZ CIRCUITPY_BITBANG_APA102 = 1 CIRCUITPY_BITBANGIO = 0 CIRCUITPY_GAMEPAD = 0 CIRCUITPY_I2CSLAVE = 0 CIRCUITPY_RTC = 0 CFLAGS_INLINE_LIMIT = 60 SUPEROPT_GC = 0