menu "Hardware Drivers Config" menu "On-chip Peripheral Drivers" config BSP_USING_GPIO bool "Enable GPIO" select RT_USING_PIN default y menu "UART Drivers" config BSP_USING_UART0 bool "Enable UART0 PB10/PB11(T/R)" select RT_USING_SERIAL default n config BSP_USING_UART1 bool "Enable UART1 PC10/PC11(T/R)" select RT_USING_SERIAL default y endmenu endmenu menu "Onboard Peripheral Drivers" endmenu menu "Offboard Peripheral Drivers" endmenu endmenu