menu "Hardware Drivers Config" config SOC_STM32F429IG bool select SOC_SERIES_STM32F4 default y menu "Onboard Peripheral Drivers" config BSP_USING_USART bool "Enable USART (usart0)" select BSP_USING_UART select BSP_USING_UART0 default y endmenu menu "On-chip Peripheral Drivers" menuconfig BSP_USING_UART bool "Enable UART" default y select RT_USING_SERIAL if BSP_USING_UART config BSP_USING_UART0 bool "Enable UART0" default y endif endmenu menu "Board extended module Drivers" endmenu endmenu