menuconfig BSP_USING_UART bool "Using UART device" default y select RESOURCES_SERIAL if BSP_USING_UART source "$BSP_DIR/third_party_driver/uart/Kconfig" endif menuconfig BSP_USING_CAN bool "Using CAN device" default y select RESOURCES_CAN if BSP_USING_CAN source "$BSP_DIR/third_party_driver/can/Kconfig" endif