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- 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
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