183 lines
4.7 KiB
ReStructuredText
183 lines
4.7 KiB
ReStructuredText
Switch Component
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================
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.. seo::
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:description: Instructions for setting up generic switches in ESPHome.
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:image: folder-open.png
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The ``switch`` domain includes all platforms that should show up like a
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switch and can only be turned ON or OFF.
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.. _config-switch:
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Base Switch Configuration
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-------------------------
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.. code-block:: yaml
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switch:
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- platform: ...
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name: "Switch Name"
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icon: "mdi:restart"
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Configuration variables:
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- **name** (**Required**, string): The name of the switch.
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- **icon** (*Optional*, icon): Manually set the icon to use for the
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sensor in the frontend.
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- **inverted** (*Optional*, boolean): Whether to invert the binary
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state, i.e. report ON states as OFF and vice versa. Defaults
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to ``false``.
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- **internal** (*Optional*, boolean): Mark this component as internal. Internal components will
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not be exposed to the frontend (like Home Assistant). Only specifying an ``id`` without
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a ``name`` will implicitly set this to true.
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- **on_turn_on** (*Optional*, :ref:`Action <config-action>`): An automation to perform
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when the switch is turned on. See :ref:`switch-on_turn_on_off_trigger`.
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- **on_turn_off** (*Optional*, :ref:`Action <config-action>`): An automation to perform
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when the switch is turned off. See :ref:`switch-on_turn_on_off_trigger`.
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- If MQTT enabled, All other options from :ref:`MQTT Component <config-mqtt-component>`.
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.. _switch-toggle_action:
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``switch.toggle`` Action
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************************
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This action toggles a switch with the given ID when executed.
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.. code-block:: yaml
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on_...:
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then:
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- switch.toggle: relay_1
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.. _switch-turn_on_action:
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``switch.turn_on`` Action
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*************************
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This action turns a switch with the given ID on when executed.
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.. code-block:: yaml
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on_...:
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then:
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- switch.turn_on: relay_1
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.. _switch-turn_off_action:
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``switch.turn_off`` Action
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**************************
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This action turns a switch with the given ID off when executed.
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.. code-block:: yaml
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on_...:
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then:
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- switch.turn_off: relay_1
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.. _switch-is_on_condition:
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.. _switch-is_off_condition:
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``switch.is_on`` / ``switch.is_off`` Condition
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**********************************************
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This :ref:`Condition <config-condition>` checks if the given switch is ON (or OFF).
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.. code-block:: yaml
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# In some trigger:
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on_...:
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if:
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condition:
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# Same syntax for is_off
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switch.is_on: my_switch
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.. _switch-lambda_calls:
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lambda calls
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************
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From :ref:`lambdas <config-lambda>`, you can call several methods on all covers to do some
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advanced stuff (see the full API Reference for more info).
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- ``publish_state()``: Manually cause the switch to publish a new state and store it internally.
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If it's different from the last internal state, it's additionally published to the frontend.
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.. code-block:: yaml
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// Within lambda, make the switch report a specific state
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id(my_switch).publish_state(false);
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id(my_switch).publish_state(true);
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- ``state``: Retrieve the current state of the switch.
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.. code-block:: yaml
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// Within lambda, get the switch state and conditionally do something
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if (id(my_switch).state) {
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// Switch is ON, do something here
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} else {
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// Switch is OFF, do something else here
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}
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- ``turn_off()``/``turn_on()``: Manually turn the switch ON/OFF from code.
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Similar to the ``switch.turn_on`` and ``switch.turn_off`` actions,
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but can be used in complex lambda expressions.
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.. code-block:: yaml
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id(my_switch).turn_off();
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id(my_switch).turn_on();
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// Toggle the switch
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id(my_switch).toggle();
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.. _switch-is_on_off_condition:
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``switch.is_on`` / ``switch.is_off`` Condition
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**********************************************
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This :ref:`condition <config-condition>` passes if the given switch is on/off.
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.. code-block:: yaml
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# in a trigger:
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on_...:
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if:
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condition:
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switch.is_on: my_switch
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# same goes for is_off
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then:
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- script.execute: my_script
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.. _switch-on_turn_on_off_trigger:
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``switch.on_turn_on`` / ``switch.on_turn_off`` Trigger
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******************************************************
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This trigger is activated each time the switch is turned on. It becomes active
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right after the switch component has acknowledged the state (e.g. after it switched
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ON/OFF itself).
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.. code-block:: yaml
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switch:
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- platform: gpio # or any other platform
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# ...
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on_turn_on:
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- logger.log: "Switch Turned On!"
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on_turn_off:
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- logger.log: "Switch Turned Off!"
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See Also
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--------
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- :apiref:`switch/switch.h`
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- :ghedit:`Edit`
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.. toctree::
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:maxdepth: 1
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:glob:
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*
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