menu "Echo RS485 Example Configuration"

    config ECHO_UART_PORT_NUM
        int "UART port number"
        range 0 2 if IDF_TARGET_ESP32
        range 0 1 if IDF_TARGET_ESP32S2
        default 2 if IDF_TARGET_ESP32
        default 1 if IDF_TARGET_ESP32S2
        help
            UART communication port number for the example.
            See UART documentation for available port numbers.

    config ECHO_UART_BAUD_RATE
        int "UART communication speed"
        range 1200 115200
        default 115200
        help
            UART communication speed for Modbus example.

    config ECHO_UART_RXD
        int "UART RXD pin number"
        range 0 34 if IDF_TARGET_ESP32
        default 22 if IDF_TARGET_ESP32
        range 0 46 if IDF_TARGET_ESP32S2
        default 19 if IDF_TARGET_ESP32S2
        help
            GPIO number for UART RX pin. See UART documentation for more information
            about available pin numbers for UART.

    config ECHO_UART_TXD
        int "UART TXD pin number"
        range 0 34 if IDF_TARGET_ESP32
        default 23 if IDF_TARGET_ESP32
        range 0 46 if IDF_TARGET_ESP32S2
        default 20 if IDF_TARGET_ESP32S2
        help
            GPIO number for UART TX pin. See UART documentation for more information
            about available pin numbers for UART.

    config ECHO_UART_RTS
        int "UART RTS pin number"
        range 0 34 if IDF_TARGET_ESP32
        range 0 46 if IDF_TARGET_ESP32S2
        default 18
        help
            GPIO number for UART RTS pin. This pin is connected to
            ~RE/DE pin of RS485 transceiver to switch direction.
            See UART documentation for more information about available pin
            numbers for UART.

endmenu