mainmenu "RT-Thread Configuration" config $BSP_DIR string option env="BSP_ROOT" default "." config $RTT_DIR string option env="RTT_ROOT" default "../.." config $PKGS_DIR string option env="PKGS_ROOT" default "packages" config BOARD_STM32F429_APPOLO bool select ARCH_ARM_CORTEX_M4 default y source "$RTT_DIR/KConfig" source "$PKGS_DIR/KConfig" source "$BSP_DIR/drivers/Kconfig"