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" config ENV_DIR string option env="ENV_ROOT" default "/" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" config SOC_AT91SAM9G45 bool select ARCH_ARM_ARM9 select RT_USING_CACHE select RT_USING_COMPONENTS_INIT select RT_USING_USER_MAIN default y source "$BSP_DIR/drivers/Kconfig"