menu "Hardware Drivers" menu "On-chip Peripheral Drivers" menuconfig BSP_USING_UART bool "Enable UART" default y select USE_SERIAL # sdk serial component select ENABLE_Pl011_UART # select sdk pl011 driver select RT_USING_SERIAL if BSP_USING_UART config RT_USING_UART1 bool "Enable UART1" default y config RT_USING_UART0 bool "Enable UART0" default n endif endmenu menu "Board extended module Drivers" endmenu endmenu