menu "Hardware Drivers Config" menu "On-chip Peripheral Drivers" config BSP_USING_GPIO bool "Enable GPIO" select RT_USING_PIN default y menuconfig BSP_USING_UART bool "Enable UART" default y select RT_USING_SERIAL if BSP_USING_UART config BSP_USING_UART1 bool "Enable UART1" default y endif source "$(BSP_DIR)/../libraries/HAL_Drivers/drivers/Kconfig" endmenu endmenu