CONFIG_STDOUT_CONSOLE=y CONFIG_GPIO=y CONFIG_LOG=y CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_LINE_CTRL=y CONFIG_USB=y CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_PRODUCT="Zephyr CDC ACM Composite sample" CONFIG_USB_COMPOSITE_DEVICE=y CONFIG_USB_CDC_ACM=y CONFIG_USB_CDC_ACM_DEVICE_COUNT=2 CONFIG_USB_CDC_ACM_RINGBUF_SIZE=512 CONFIG_USB_DEVICE_LOG_LEVEL_ERR=y CONFIG_USB_DRIVER_LOG_LEVEL_ERR=y