rt-thread/bsp/bouffalo_lab/libraries/rt_drivers/Kconfig

menu "General Drivers Configuration"

    config BSP_USING_GPIO
        bool "Enable GPIO"
        select RT_USING_PIN
        default y

    menu "General Purpose UARTs"

    menuconfig BSP_USING_UART0
        bool "Enable UART0"
        default y
        if BSP_USING_UART0
            choice
                prompt "UART0 TX PIN"
                default UART0_TX_USING_GPIO16 if BSP_USING_BL60X
                default UART0_TX_USING_GPIO21 if BSP_USING_BL61X
                default UART0_TX_USING_GPIO14 if BSP_USING_BL70X
                default UART0_TX_USING_GPIO14 if BSP_USING_BL808

                config UART0_TX_USING_GPIO14
                    bool "GPIO_14"
                config UART0_TX_USING_GPIO16
                    bool "GPIO_16"
                config UART0_TX_USING_GPIO21
                    bool "GPIO_21"
            endchoice
            choice
                prompt "UART0 RX PIN"
                default UART0_RX_USING_GPIO7 if BSP_USING_BL60X
                default UART0_RX_USING_GPIO22 if BSP_USING_BL61X
                default UART0_RX_USING_GPIO23 if BSP_USING_BL70X
                default UART0_RX_USING_GPIO15 if BSP_USING_BL808

                config UART0_RX_USING_GPIO7
                    bool "GPIO_7"
                config UART0_RX_USING_GPIO15
                    bool "GPIO_15"
                config UART0_RX_USING_GPIO22
                    bool "GPIO_22"
                config UART0_RX_USING_GPIO23
                    bool "GPIO_23"
            endchoice
        endif
        
    menuconfig BSP_USING_UART1
        bool "Enable UART1"
        default n
        if BSP_USING_UART1
            choice
                prompt "UART1 TX PIN"
                default UART1_TX_USING_GPIO4 if BSP_USING_BL60X
                default UART1_TX_USING_GPIO16 if BSP_USING_BL61X
                default UART1_TX_USING_GPIO26 if BSP_USING_BL70X
                default UART1_TX_USING_GPIO18 if BSP_USING_BL808

                config UART1_TX_USING_GPIO4
                    bool "GPIO_4"
                config UART1_TX_USING_GPIO16
                    bool "GPIO_16"
                config UART1_TX_USING_GPIO18
                    bool "GPIO_18"
                config UART1_TX_USING_GPIO26
                    bool "GPIO_26"
            endchoice
            choice
                prompt "UART1 RX PIN"
                default UART1_RX_USING_GPIO3 if BSP_USING_BL60X
                default UART1_RX_USING_GPIO17 if BSP_USING_BL61X
                default UART1_RX_USING_GPIO27 if BSP_USING_BL70X
                default UART1_RX_USING_GPIO19 if BSP_USING_BL808

                config UART1_RX_USING_GPIO3
                    bool "GPIO_3"
                config UART1_RX_USING_GPIO5
                    bool "GPIO_5"
                config UART1_RX_USING_GPIO17
                    bool "GPIO_17"
                config UART1_RX_USING_GPIO19
                    bool "GPIO_19"
                config UART1_RX_USING_GPIO27
                    bool "GPIO_27"
            endchoice
        endif

    if BSP_USING_BL808
        menuconfig BSP_USING_UART2
            bool "Enable UART2"
            default n
            if BSP_USING_UART2
                choice
                    prompt "UART2 TX PIN"
                    default UART2_TX_USING_GPIO20

                    config UART2_TX_USING_GPIO4
                        bool "GPIO_4"
                    config UART2_TX_USING_GPIO16
                        bool "GPIO_16"
                    config UART2_TX_USING_GPIO18
                        bool "GPIO_18"
                    config UART2_TX_USING_GPIO20
                        bool "GPIO_20"
                endchoice
                choice
                    prompt "UART2 RX PIN"
                    default UART2_RX_USING_GPIO21

                    config UART2_RX_USING_GPIO3
                        bool "GPIO_3"
                    config UART2_RX_USING_GPIO5
                        bool "GPIO_5"
                    config UART2_RX_USING_GPIO17
                        bool "GPIO_17"
                    config UART2_RX_USING_GPIO19
                        bool "GPIO_19"
                    config UART2_RX_USING_GPIO21
                        bool "GPIO_21"
                endchoice
            endif
        endif

    endmenu

    menuconfig BSP_USING_RTC
        bool "Enable RTC"
        select RT_USING_RTC
        default n

    config BSP_USING_WDT
        bool "Enable Watchdog Timer"
        select RT_USING_WDT
        default n

    menuconfig BSP_USING_PWM
        bool "Enable PWM"
        default n
        select RT_USING_PWM
        if BSP_USING_PWM
            config BSP_USING_PWM0
                bool "Enable PWM0"
                default n

            config BSP_USING_PWM1
                bool "Enable PWM1"
                default n

            config BSP_USING_PWM2
                bool "Enable PWM2"
                default n

            config BSP_USING_PWM3
                bool "Enable PWM3"
                default n
        endif

endmenu