arduino-home-assistant/docs/documents/library/discovery.html at 0fc32a5bad861ca76767ff13187f8afabcc4f9a0

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T

Dawid ChyrzyńskiandDawid Chyrzynski 0fc32a5bad ArduinoHA 2.0.0 🔥 (#81 )

* added tests for HADeviceTracker

* added support for progmem property value in the HASerializer

* codebase update

* add support for source type in HADeviceTracker

* added support for HACamera

* added support for HALock

* rename HABinarySensor::getState to getCurrentState

* standardize sender name in all callback headers

* remove duplicate serializer field protection (reduce flash usage)

* optimize HAUtils

* minor improvements

* optimize writing progmem payload

* optimize HAUtils:numberToStr

* remove relloc from HASerializer

* optimize HASerializerArray

* remove includeNullTerminator arg from the topics size generators

* optimize HASerializer

* replace dtostrf with custom implementation

* optimize BaseDeviceType

* removed relloc from the HAMqtt

* removed support for floats

* removed vtable for HADevice, HAMqtt, HASerializer and HASerializerArray

* implemented HASwitch with tests

* implemented basic HADeviceTrigger

* added support for built-in triggers

* finished HADeviceTrigger

* update changelog

* implemented base HASensor

* implemented HASensorInteger

* finished HASensorFloat

* override onMqttConnected in HASensorInteger and HASensorFloat

* add more tests for HASensorInteger and HASensorFloat

* optimize HASensorFloat

* update changelog

* standardize constructor of the HABinarySensor

* update readme

* readme

* readme

* standardize HADeviceTracker API

* standardize HASwitch API

* update docs README

* move Sphinx files to docsrc directory

* type in HASwitch

* test docs

* add .nojekyll to the docs directory

* update makefile of the docs

* wip: docs

* docs: fix html title

* docs: update styling and sidebar

* docs: add "Basics" section

* docs: device configuration

* docs: availability

* docs: MQTT discovery

* docs: MQTT security

* docs: MQTT advanced features

* rename BaseDeviceType to HABaseDeviceType

* update gitignore

* add API reference

* update gitignore

* HADevice doxygen

* doxygen css

* HADevice doxygen typos

* docs: update links

* docs: HAUtils doxygen

* HAMqtt and HADevice doxygen

* docs: device types

* docs: HABaseDeviceType

* reduced flash usage by 190 bytes

* fix tests

* move HAUtils class to the utils directory

* make HADevice const in HAMqtt

* HABinarySensor docs

* doxygen

* HADeviceTrigger doxygen

* HALock doxygen

* HASensor doxygen

* HASensor doxygen

* HASwitch doxygen

* HATagScanner doxygen

* HASerializer doxygen

* fix SAMD compile error

* add HAMqtt::publish method

* update examples

* add HAButton example

* update changelog

* added support for the optimistic property in the HACover

* do not set optimistic property in the HASwitch if it's set to default value

* update examples list

* update HASensor example

* update MQTT docs

* fix device trigger example link

* fix search form style on the search result page

* added support for the optimistic property in the HALock

* update readme

* change readme icon

* added HALock example

* MDNS example

* added HASensorFloat and HASensorInteger examples

* update readme

* update examples

* fix crash in the HABaseDeviceType

* add support for storing RAM elements in the HASerializerArray

* update tests cases in the CoverTest

* finished tests for HASelect

* added support for HASelect

* update README, CHANGELOG and examples list

* DeviceTest typos

* add more tests to SelectTest

* optimize HASelect command's handler

* improve CoverTest

* optimize HACover command's handler

* optimize HALock command's handler

* update SerializerTest

* remove HAMqtt::writePayload_P method

* remove FlagInternalType from the HASerializer

* added support for __FlashStringHelper in the topics related functions

* migrated serializer to use __FlashStringHelper

* add __FlashStringHelper to the HABaseDeviceType::publishOnDataTopic method

* move component name to flash memory

* update docs

* fix debug logs

* fix memory leaks

* monitor memory leaks in all test cases

* optimize tests (RAM)

* fix HALock states

* fix bug in the HASensor (invalid serialization of the value template property)

* fix memory leak in the HASelect

* fix crash in HASelect

* fix memory leak in the HADeviceTrigger

* fix memory leak in the HADevice

* tests: add support for ESP8266 and ESP32 envs

* update docs

* add multi-switch example

* update docs structure

* update MQTT advanced example in the docs

* HADevice: fix _uniqueId memory release

* wip: HANumber

* add HANumber to defines

* refactor HASensor implementation for numbers (again)

* update docs

* wip: HANumber

* wip: add support for number's precision in the HASerializer

* add support for float numbers in the HASerializer

* optimize vtables in the HASensor

* wip: HANumber

* fix crash in the float serialization

* handle another edge case in the float serialization

* replace int32_t with HAUtils::Number type

* HANumber fixes

* tests for HANumber

* change HAUtils::Number type to int64_t

* implemented HAUtils::strToNumber

* finished HANumber command handler

* finished HANumber

* update docs

* add number example

* added support for HAScene

* add scene example, update docs

* update doxygen

* remove memset from the codebase

* micro optimizations

* fix commands handlers

* update HACover code

* codebase cleanup

* finished HAFan implementation

* update docs, added fan example

* make json readable in all tests

* make position configurable in the HACover

* docs

* added support for HALight

* implement default values as static HAFan members

* update docs, added light example

* added support for color temperature in the HALight

* update light example

* update docs

* wip: HVAC

* improve all tests with callbacks

* update logs

* add HVAC to the docs

* optimize HANumber

* add current temperature to the HVAC

* started work on HVAC tests

* added action feature to the HVAC

* add temperature unit to the HVAC

* add more tests to UtilsTest

* fix fake MQTT messages mock - message shouldn't include null terminator

* fix HAUtils::strToNumber

* optimize HAFan, HACover and HALight

* add min/max temp to the HVAC

* added temp step property to the HVAC

* rename HASensorNumber::getCurrentValueAsFloat to getCurrentValueFloat

* update docs

* added support for aux heating in the HVAC

* added power command to the HVAC

* add subscriptions to the HVAC

* added fan mode to the HVAC

* update examples

* update command handlers in all device types

* added swing mode to the HVAC

* finished HVAC

* update docs

* fix memory leak in the HVAC

* added support for the target temperature in the HVAC

* add HVAC example

* update docs

* remove unnecessary checks from some device types

* added support for RGB in the HALight

* update docs

* standardize HAHVAC code

* rename HAButton::onPress method to onCommand

* rename HAScene::onActivate method to onCommand

* fix seg fault in the HAUtils

* HASensorNumber: do not publish default value on connect

* add return uint16_t to the HAUtils::numberToStr method

* simplify logic in the HALight::publishRGBColor

* optimize numbers serialization in the HASerializer

* update README, added LICENSE.md

* rename license file

* added tag-scanner example

* update publishOnDataTopic methods

* added esp32-cam example

* update docs

* add examples to the README.md

* update examples

* update HAMqtt.h for latest SAMD core, update aunier

* update README, fix auniter settings for esp32

* update README

* added documentation link to the README

* final tweaks in the HACover

* fix logic of the speed feature in the HAFan

* fix mdns example

* fix bug in the DeviceTrigger (invalid serialization of the progmem type/subtype)

* implemented HANumeric

* update HASensorNumber

* update HANumber

* update HALight

* update HAHVAC

* update HAFan

* update HACover

* update examples

* update tests

* update docs

* fix HANumeric constructor bug

* update HANumeric for SAMD

* update readme and docs

* add payload_on to the scene config (HA throws an exception if this property is missing)

* update sensor-analog example

* update sensor-integer example

* HVAC fixes

* update docs

Co-authored-by: Dawid Chyrzynski <dawid.chyrzynski@gmail.com>

2022-10-14 19:10:38 +02:00

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           <div class="content" role="main" v-pre>
   <section id="discovery">
 <h1>Discovery<a class="headerlink" href="#discovery" title="Permalink to this headline">¶</a></h1>
 <p>The library automatically maintains connection to the MQTT broker and takes care of the discovery process.
 Each device type that you create (sensor, switch, light, fan, etc.) is automatically registered in MQTT manager.
 Whenever connection with the MQTT broker is acquired the configuration of all device types is pushed to the Home Assistant.</p>
 <p>There is one basic rule that you need to follow: device types need to be constructed after <a class="reference internal" href="../api/core/ha-mqtt.html"><span class="doc">HAMqtt</span></a> class.
 That’s because device types are relying on <a class="reference internal" href="../api/core/ha-mqtt.html"><span class="doc">HAMqtt</span></a> instance internally.</p>
 <section id="topics-prefix">
 <h2>Topics prefix<a class="headerlink" href="#topics-prefix" title="Permalink to this headline">¶</a></h2>
 <p>In some cases you may need to change prefix of MQTT topics.
 There are two types of topics utilized by the library:</p>
 <ul class="simple">
 <li><p><strong>discovery topic</strong> - used for publishing device types’ configuration (default: <code class="docutils literal notranslate"><span class="pre">homeassistant</span></code>)</p></li>
 <li><p><strong>data topic</strong> - used for publishing states, data, etc. (default: <code class="docutils literal notranslate"><span class="pre">aha</span></code>)</p></li>
 </ul>
 <p>The discovery topic’s prefix can be changed using <code class="docutils literal notranslate"><span class="pre">HAMqtt::setDiscoveryPrefix(const</span> <span class="pre">char*</span> <span class="pre">prefix)</span></code> method.
 The data topic’s prefix can be changed using <code class="docutils literal notranslate"><span class="pre">HAMqtt::setDataPrefix(const</span> <span class="pre">char*</span> <span class="pre">prefix)</span></code> method</p>
 <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;Ethernet.h&gt;</span><span class="cp"></span>
 <span class="cp">#include</span><span class="w"> </span><span class="cpf">&lt;ArduinoHA.h&gt;</span><span class="cp"></span>
 <span class="n">byte</span><span class="w"> </span><span class="n">mac</span><span class="p">[]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{</span><span class="mh">0x00</span><span class="p">,</span><span class="w"> </span><span class="mh">0x10</span><span class="p">,</span><span class="w"> </span><span class="mh">0xFA</span><span class="p">,</span><span class="w"> </span><span class="mh">0x6E</span><span class="p">,</span><span class="w"> </span><span class="mh">0x38</span><span class="p">,</span><span class="w"> </span><span class="mh">0x4A</span><span class="p">};</span><span class="w"></span>
 <span class="n">EthernetClient</span><span class="w"> </span><span class="n">client</span><span class="p">;</span><span class="w"></span>
 <span class="n">HADevice</span><span class="w"> </span><span class="nf">device</span><span class="p">(</span><span class="n">mac</span><span class="p">,</span><span class="w"> </span><span class="k">sizeof</span><span class="p">(</span><span class="n">mac</span><span class="p">));</span><span class="w"></span>
 <span class="n">HAMqtt</span><span class="w"> </span><span class="nf">mqtt</span><span class="p">(</span><span class="n">client</span><span class="p">,</span><span class="w"> </span><span class="n">device</span><span class="p">);</span><span class="w"></span>
 <span class="c1">// register your device types here</span>
 <span class="kt">void</span><span class="w"> </span><span class="nf">setup</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
 <span class="w">    </span><span class="n">mqtt</span><span class="p">.</span><span class="n">setDiscoveryPrefix</span><span class="p">(</span><span class="s">&quot;myCustomPrefix&quot;</span><span class="p">);</span><span class="w"></span>
 <span class="w">    </span><span class="n">mqtt</span><span class="p">.</span><span class="n">setDataPrefix</span><span class="p">(</span><span class="s">&quot;myDataPrefix&quot;</span><span class="p">);</span><span class="w"></span>
 <span class="w">    </span><span class="c1">// ...</span>
 <span class="p">}</span><span class="w"></span>
 <span class="kt">void</span><span class="w"> </span><span class="nf">loop</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
 <span class="w">    </span><span class="c1">// ...</span>
 <span class="p">}</span><span class="w"></span>
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