mainmenu "RT-Thread Configuration" config BSP_DIR string option env="BSP_ROOT" default "." config RTT_DIR string option env="RTT_ROOT" default "rt-thread" config PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" source "$PKGS_DIR/packages/misc/samples/Kconfig" config RT_STUDIO_BUILT_IN bool select ARCH_ARM_CORTEX_M3 select RT_USING_COMPONENTS_INIT select RT_USING_USER_MAIN default y