1CONFIG_USB_DEVICE_STACK_NEXT=y 2 3CONFIG_STDOUT_CONSOLE=y 4CONFIG_SERIAL=y 5CONFIG_UART_LINE_CTRL=y 6CONFIG_USBD_MSC_CLASS=y 7CONFIG_USBD_MSC_LUNS_PER_INSTANCE=3 8 9CONFIG_LOG=y 10CONFIG_USBD_LOG_LEVEL_WRN=y 11CONFIG_UDC_DRIVER_LOG_LEVEL_WRN=y 12 13CONFIG_SAMPLE_USBD_PID=0x0008 14CONFIG_SAMPLE_USBD_PRODUCT="USBD MSC sample" 15CONFIG_MAIN_STACK_SIZE=2048 16