LD_FILE = boards/samd21x18-bootloader.ld USB_VID = 0xBAB1 USB_PID = 0x1209 USB_PRODUCT = "Meow Meow" USB_MANUFACTURER = "Electronic Cats" INTERNAL_FLASH_FILESYSTEM = 1 LONGINT_IMPL = NONE CHIP_VARIANT = SAMD21G18A CHIP_FAMILY = samd21