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2.9 KiB
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85 lines
2.9 KiB
ReStructuredText
ESPHome OTA Updates
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===================
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.. seo::
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:description: Instructions for setting up ESPHome's Over-The-Air (OTA) platform to allow remote updating of devices.
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:image: system-update.svg
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.. _config-ota_esphome:
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ESPHome's Over-The-Air (OTA) platform allows you to remotely install modified/updated firmware binaries onto your
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ESPHome devices over their network (Wi-Fi or Ethernet) interface.
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This platform is used by both the ESPHome dashboard as well as the command line interface (CLI) (via
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``esphome run ...``) to install firmware onto supported devices.
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In addition to OTA updates, ESPHome also supports a "safe mode" to help with recovery if/when updates don't work as
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expected. This is automatically enabled by this component, but it may be disabled if desired. See
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:doc:`/components/safe_mode` for details.
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.. code-block:: yaml
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# Example configuration entry
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ota:
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- platform: esphome
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password: !secret ota_password
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Configuration variables:
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------------------------
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- **password** (*Optional*, string): The password to use for updates.
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- **port** (*Optional*, int): The port to use for OTA updates. Defaults:
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- ``3232`` for the ESP32
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- ``8266`` for the ESP8266
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- ``2040`` for the RP2040
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- ``8892`` for Beken chips
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- **version** (*Optional*, int): Version of OTA protocol to use. Version 2 is more stable. To downgrade to legacy
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ESPHome, the device should be updated with OTA version 1 first. Defaults to ``2``.
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- All :ref:`automations <automation>` supported by :doc:`/components/ota/index`.
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.. note::
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After a serial upload, ESP8266 modules must be reset before OTA updates will work. If you attempt to perform an OTA
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update and receive the error message ``Bad Answer: ERR: ERROR[11]: Invalid bootstrapping``, the ESP module/board
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must be power-cycled.
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Updating the Password
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---------------------
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Changing an Existing Password
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*****************************
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Since the configured password is used for both compiling and uploading, the regular ``esphome run <file>`` command
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won't work. This issue can be worked around by executing the operations separately with an ``on_boot`` trigger:
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.. code-block:: yaml
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esphome:
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on_boot:
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- lambda: |-
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id(my_ota).set_auth_password("New password");
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ota:
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- platform: esphome
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id: my_ota
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password: "Old password"
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After this trick has been used to change the password, the ``on_boot`` trigger may be removed and the old password
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replaced with the new password in the ``ota:`` section.
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Adding a Password
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*****************
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If OTA is already enabled without a password, simply add a ``password:`` line to the existing ``ota:`` config block.
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See Also
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--------
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- :apiref:`ota/ota_component.h`
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- :doc:`/components/ota/index`
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- :doc:`/components/ota/http_request`
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- :doc:`/components/safe_mode`
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- :ghedit:`Edit`
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