mainmenu "RT-Thread Project Configuration" config $BSP_DIR string option env="BSP_ROOT" default "." config $RTT_DIR string option env="RTT_ROOT" default "../.." config $PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/KConfig" source "$PKGS_DIR/KConfig" config BCM2836_SOC bool select ARCH_ARM_CORTEX_A7 default y source "driver/Kconfig"