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118 lines
3.5 KiB
Markdown
118 lines
3.5 KiB
Markdown
---
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layout: page
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title: "MySensors HVAC"
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description: "Instructions how to integrate MySensors climate into Home Assistant."
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date: 2016-10-01 15:00 +0200
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: mysensors.png
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ha_category: Climate
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ha_release: 0.29
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ha_iot_class: "Local Push"
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---
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Integrates MySensors HVAC into Home Assistant. See the [main component] for configuration instructions.
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The following actuator types are supported:
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##### MySensors version 1.5 and higher
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S_TYPE | V_TYPE
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-------|-----------------------------------------------------------------------------
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S_HVAC | V_HVAC_FLOW_STATE*, V_HVAC_SETPOINT_HEAT, V_HVAC_SETPOINT_COOL, V_HVAC_SPEED
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V_HVAC_FLOW_STATE is mapped to the state of the Climate component in HA as follows:
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Home Assistant State | MySensors State
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---------------------|----------------
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STATE_COOL | CoolOn
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STATE_HEAT | HeatOn
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STATE_AUTO | Off
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STATE_OFF | AutoChangeOver
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Currently humidity, away_mode, aux_heat, swing_mode is not supported. This will be included in later versions as feasible.
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Set the target temperature using V_HVAC_SETPOINT_HEAT in Heat mode, and V_HVAC_SETPOINT_COOL in Cool Mode. In case of any Auto Change Over mode you can use V_HVAC_SETPOINT_HEAT as well as V_HVAC_SETPOINT_COOL to set the both the low bound and the high bound temperature of the device.
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You can use V_HVAC_SPEED to control the Speed setting of the Fan in the HVAC.
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For more information, visit the [serial api] of MySensors.
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### {% linkable_title Example sketch %}
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```cpp
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/*
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* Documentation: http://www.mysensors.org
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* Support Forum: http://forum.mysensors.org
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*/
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#include <MySensor.h>
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/*
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* Include all the other Necessary code here.
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* The example code is limited to message exchange for mysensors
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* with the controller (ha).
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*/
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#define CHILD_ID_HVAC 0 // childId
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MyMessage msgHVACSetPointC(CHILD_ID_HVAC, V_HVAC_SETPOINT_COOL);
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MyMessage msgHVACSpeed(CHILD_ID_HVAC, V_HVAC_SPEED);
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MyMessage msgHVACFlowState(CHILD_ID_HVAC, V_HVAC_FLOW_STATE);
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/*
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* Include all the other Necessary code here.
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* The example code is limited to message exchange for mysensors
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* with the controller (ha).
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*/
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void setup()
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{
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// Startup and initialize MySensors library.
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// Set callback for incoming messages.
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gw.begin(incomingMessage);
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// Send the sketch version information to the gateway and Controller
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gw.sendSketchInfo("HVAC", "0.1");
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gw.present(CHILD_ID_HVAC, S_HVAC, "Thermostat");
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gw.send(msgHVACFlowState.set("Off"));
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gw.send(msgHVACSetPointC.set(target_temp));
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gw.send(msgHVACSpeed.set("Max"));
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}
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void loop() {
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// Process incoming messages (like config from server)
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gw.process();
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}
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void incomingMessage(const MyMessage &message) {
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String recvData = message.data;
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recvData.trim();
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switch (message.type) {
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case V_HVAC_SPEED:
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if(recvData.equalsIgnoreCase("auto")) fan_speed = 0;
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else if(recvData.equalsIgnoreCase("min")) fan_speed = 1;
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else if(recvData.equalsIgnoreCase("normal")) fan_speed = 2;
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else if(recvData.equalsIgnoreCase("max")) fan_speed = 3;
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processHVAC();
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break;
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case V_HVAC_SETPOINT_COOL:
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target_temp = message.getFloat();
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processHVAC();
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break;
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case V_HVAC_FLOW_STATE:
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if(recvData.equalsIgnoreCase("coolon") && (!Present_Power_On )){
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togglePower();
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}
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else if(recvData.equalsIgnoreCase("off") && Present_Power_On ){
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togglePower();
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}
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break;
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}
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}
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```
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[main component]: /components/mysensors/
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[serial api]: https://www.mysensors.org/download/serial_api_15
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