2018-11-27 17:05:23 +01:00
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Custom Switch
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=============
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2023-11-01 06:47:57 +01:00
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.. warning::
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Custom components are deprecated, not recommended for new configurations
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and will be removed from ESPHome in a future release.
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Please look at creating a real ESPHome component and "importing" it into your
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configuration with :doc:`/components/external_components`.
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You can find some basic documentation on creating your own components
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at :ref:`contributing_to_esphome`.
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2019-02-16 23:25:23 +01:00
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This integration can be used to create custom switches in ESPHome
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2018-11-27 17:05:23 +01:00
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using the C++ (Arduino) API.
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2019-02-07 13:54:45 +01:00
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Please first read :doc:`/components/sensor/custom` guide,
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2018-11-27 17:05:23 +01:00
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the same principles apply here.
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The example below is an example of a custom switch; this custom switch is essentially the
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same as the gpio switch implementation.
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.. code-block:: cpp
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2019-02-16 23:25:23 +01:00
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#include "esphome.h"
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2018-11-27 17:05:23 +01:00
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2019-05-12 22:44:59 +02:00
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class MyCustomSwitch : public Component, public Switch {
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2018-11-27 17:05:23 +01:00
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public:
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void setup() override {
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// This will be called by App.setup()
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pinMode(5, INPUT);
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}
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void write_state(bool state) override {
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// This will be called every time the user requests a state change.
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digitalWrite(5, state);
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// Acknowledge new state by publishing it
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publish_state(state);
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}
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};
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(Store this file in your configuration directory, for example ``my_switch.h``)
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And in YAML:
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.. code-block:: yaml
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# Example configuration entry
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esphome:
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includes:
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- my_switch.h
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switch:
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- platform: custom
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lambda: |-
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auto my_custom_switch = new MyCustomSwitch();
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App.register_component(my_custom_switch);
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return {my_custom_switch};
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switches:
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name: "My Custom Switches"
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2023-03-07 09:20:08 +01:00
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id: my_custom_switch
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Configuration variables:
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- **lambda** (**Required**, :ref:`lambda <config-lambda>`): The lambda to run for instantiating the
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switch(es).
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- **switches** (**Required**, list): A list of switches to initialize. The length here
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must equal the number of items in the ``return`` statement of the ``lambda``.
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2019-02-17 12:28:17 +01:00
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- All options from :ref:`Switch <config-switch>`.
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2019-05-12 22:44:59 +02:00
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See :apiclass:`Switch <switch_::Switch>`
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2018-11-27 17:05:23 +01:00
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See Also
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--------
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2019-02-07 13:54:45 +01:00
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- :ghedit:`Edit`
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