2018-06-28 17:45:41 +02:00
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ESP-Modbus
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==========
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2023-05-04 17:25:41 +08:00
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:link_to_translation:`zh_CN:[中文]`
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2018-06-28 17:45:41 +02:00
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2023-05-04 17:25:41 +08:00
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The Espressif ESP-Modbus Library (esp-modbus) supports Modbus communication in the networks based on RS485, Wi-Fi, and Ethernet interfaces.
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Since ESP-IDF version v5.0, the component ``freemodbus`` has been moved from ESP-IDF to a separate repository:
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2018-06-28 17:45:41 +02:00
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2022-04-28 14:34:20 +08:00
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* `ESP-Modbus component on GitHub <https://github.com/espressif/esp-modbus>`__
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2018-06-28 17:45:41 +02:00
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2022-02-24 12:55:14 +01:00
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Hosted Documentation
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--------------------
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2018-06-28 17:45:41 +02:00
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2023-05-04 17:25:41 +08:00
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The documentation can be found through the link below:
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2018-06-28 17:45:41 +02:00
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2022-02-24 12:55:14 +01:00
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* `ESP-Modbus documentation (English) <https://docs.espressif.com/projects/esp-modbus>`__
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2020-07-22 00:34:04 +08:00
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2018-06-28 17:45:41 +02:00
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Application Example
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-------------------
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2018-10-19 15:51:27 +02:00
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2023-05-04 17:25:41 +08:00
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The examples below demonstrate the ESP-Modbus library of serial and TCP ports for both slave and master implementations respectively.
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2018-06-28 17:45:41 +02:00
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2021-08-09 13:31:45 +02:00
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- :example:`protocols/modbus/serial/mb_slave`
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- :example:`protocols/modbus/serial/mb_master`
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- :example:`protocols/modbus/tcp/mb_tcp_slave`
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- :example:`protocols/modbus/tcp/mb_tcp_master`
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2023-05-04 17:25:41 +08:00
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Please refer to the ``README.md`` documents of each specific example for details.
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2018-06-28 17:45:41 +02:00
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2021-08-09 13:31:45 +02:00
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Protocol References
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-------------------
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2018-10-19 15:51:27 +02:00
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2023-05-05 10:54:26 +08:00
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- For the detailed protocol specifications, see `The Modbus Organization <https://modbus.org/specs.php>`_.
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2020-07-22 00:34:04 +08:00
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2018-10-19 15:51:27 +02:00
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