mainmenu "RT-Thread Configuration" config $BSP_DIR string option env="BSP_ROOT" default "." config $RTT_DIR string option env="RTT_ROOT" default "../.." # you can change the RTT_ROOT default "../.." to your rtthread_root, # example : default "F:/git_repositories/rt-thread" config $PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" if RT_USING_SERIAL config RT_USING_UART1 bool "Using uart1" default y endif