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99 lines
2.8 KiB
ReStructuredText
99 lines
2.8 KiB
ReStructuredText
Custom Cover
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============
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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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This integration can be used to create custom covers in ESPHome
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using the C++ (Arduino) API.
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Please first read :doc:`/components/sensor/custom` guide,
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the same principles apply here.
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The example below is an example of a custom cover - all covers must override
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two methods:
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- ``get_traits``: This should return a :apiclass:`CoverTraits <cover::CoverTraits>` object
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representing the capabilities of the cover.
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- ``control``: This receives a :apiclass:`CoverCall <cover::CoverCall>` object that contains
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the command the user tried to set.
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.. code-block:: cpp
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#include "esphome.h"
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class MyCustomCover : public Component, public Cover {
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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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CoverTraits get_traits() override {
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auto traits = CoverTraits();
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traits.set_is_assumed_state(false);
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traits.set_supports_position(true);
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traits.set_supports_tilt(false);
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traits.set_supports_stop(true);
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return traits;
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}
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void control(const CoverCall &call) override {
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// This will be called every time the user requests a state change.
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if (call.get_position().has_value()) {
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float pos = *call.get_position();
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// Write pos (range 0-1) to cover
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// ...
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// Publish new state
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this->position = pos;
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this->publish_state();
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}
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if (call.get_stop()) {
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// User requested cover stop
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}
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}
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};
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(Store this file in your configuration directory, for example ``my_cover.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_cover.h
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cover:
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- platform: custom
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lambda: |-
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auto my_custom_cover = new MyCustomCover();
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App.register_component(my_custom_cover);
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return {my_custom_cover};
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covers:
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- name: "My Custom Cover"
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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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cover(s).
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- **covers** (**Required**, list): A list of covers 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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- All options from :ref:`Cover <config-cover>`.
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See :apiclass:`Cover <cover::Cover>`
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See Also
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--------
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- :ghedit:`Edit`
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