106 lines
3.4 KiB
ReStructuredText
106 lines
3.4 KiB
ReStructuredText
Custom Climate
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==============
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.. seo::
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:description: Instructions for setting up Custom C++ climate components with ESPHome.
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:image: language-cpp.svg
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:keywords: C++, Custom
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.. warning::
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Custom components are deprecated, not recommended for new configurations and will be removed from ESPHome in a
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future release. Please look at creating a real ESPHome component and "importing" it into your configuration with
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:doc:`/components/external_components`.
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You can find some basic documentation on creating your own components at :ref:`contributing_to_esphome`.
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.. warning::
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While we try to keep the ESPHome YAML configuration options as stable as possible, the ESPHome API is less
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stable. If something in the APIs needs to be changed in order for something else to work, we will do so.
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This component can be used to create custom climate devices in ESPHome using the C++ (Arduino) API.
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Please first read :doc:`/components/sensor/custom` guide, the same principles apply here.
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The example below is an example of a custom climate device - all climate devices must override
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two methods (:apiclass:`Climate <climate::Climate>`):
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- ``traits``: This should return a :apiclass:`ClimateTraits <climate::ClimateTraits>` object
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representing the capabilities of the climate device.
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- ``control``: This receives a :apiclass:`ClimateCall <climate::ClimateCall>` 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 MyCustomClimate : public Component, public Climate {
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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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}
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void control(const ClimateCall &call) override {
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if (call.get_mode().has_value()) {
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// User requested mode change
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ClimateMode mode = *call.get_mode();
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// Send mode to hardware
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// ...
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// Publish updated state
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this->mode = mode;
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this->publish_state();
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}
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if (call.get_target_temperature().has_value()) {
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// User requested target temperature change
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float temp = *call.get_target_temperature();
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// Send target temp to climate
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// ...
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}
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}
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ClimateTraits traits() override {
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// The capabilities of the climate device
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auto traits = climate::ClimateTraits();
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traits.set_supports_current_temperature(true);
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traits.set_supported_modes({climate::CLIMATE_MODE_HEAT_COOL});
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return traits;
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}
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};
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(Store this file in your configuration directory, for example ``my_climate.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_climate.h
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climate:
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- platform: custom
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lambda: |-
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auto my_custom_climate = new MyCustomClimate();
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App.register_component(my_custom_climate);
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return {my_custom_climate};
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climates:
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- name: "My Custom Climate"
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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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climate(s).
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- **climates** (**Required**, list): A list of climates 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:`Climate <config-climate>`.
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See :apiclass:`Climate <climate::Climate>`
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See Also
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--------
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- :ghedit:`Edit`
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