LD_FILE = boards/samd21x18-bootloader.ld USB_VID = 0x1209 USB_PID = 0xBAB2 USB_PRODUCT = "CatWAN USBStick" USB_MANUFACTURER = "Electronic Cats" INTERNAL_FLASH_FILESYSTEM = 1 LONGINT_IMPL = NONE CIRCUITPY_SMALL_BUILD = 1 CHIP_VARIANT = SAMD21E18A CHIP_FAMILY = samd21