mainmenu "RT-Thread Configuration" config $BSP_DIR string option env="BSP_ROOT" default "." config $RTT_DIR string option env="RTT_ROOT" default "../.." config $PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" config BOARD_IMXRT1052_EVK bool select ARCH_ARM_CORTEX_M7 default y config RT_USING_UART bool "Using RT_USING_UART" default y if RT_USING_UART config RT_USING_UART1 bool "Using RT_USING_UART1" default y endif