USB_VID = 0x239A USB_PID = 0x80B8 USB_PRODUCT = "LoC BeR M4 base board" USB_MANUFACTURER = "Zoomax" CHIP_VARIANT = SAMD51G19A CHIP_FAMILY = samd51 INTERNAL_FLASH_FILESYSTEM = 1 CIRCUITPY_FULL_BUILD = 0 LONGINT_IMPL = MPZ # No I2S on SAMD51G CIRCUITPY_AUDIOBUSIO = 0 CIRCUITPY_BITBANG_APA102 = 1 # Override optimization to keep binary small OPTIMIZATION_FLAGS = -Os