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sendHeartbeat in binding?

tomkxy last edited by

What is required in MySensors nodes to make the send heartbeat option in the binding actually work. Do I need to explicitly include code in my node implementations? What happens if my nodes are sleeping?
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skywatch last edited by

Yes you need to add code - see here....

https://forum.mysensors.org/topic/4942/solved-no-heartbeat

As to what happens if a node is sleeping, I have no idea, sorry.
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@chrishiscox said in OH3 Serial Gateway Problem: I tried and tried with my serial gateway, and never got it to function porperly. The serial port was working I could see it and data, but OH3 just refused to recognise the data. After a week, I decided to abandon the serial and flashed a esp8266 attached the nRF to it and bobs my uncle as we say. It goes via MQTT, so takes a little more settting up but works fine. If you want more info I will dig out the pages I used to make it work. Hmmm, the pi OH is running on already has an active MQTT broker. So you got me thinking: Wouldn't it be possible to use the MQTT gateway instead of the serial gateway? It should be able to translate radio messages (Hope RF69 in my case) to mqtt messages which are already recognized by OH. I'll have to find a spare pi and try it.
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@ben999 Check out Serial Protocol I have four Arduinos. Each has a different MY_NODE_IDs (I use 130, 131, 132, 133). Each has four sensors: moisture, humidity, temperature, and voltage each of which has a CHILD_ID: CHILD_ID_MOISTURE is 0 , CHILD_ID_HUMIDITY is 1, CHILD_ID_TEMPERATURE is 2, CHILD_ID_VOLTAGE is 3. When an Arduino makes a measurement, it sends that measurement to a unique MQTT topic. In the case of the Arduino with MY_NODE_ID of 130 that is sending the moisture measurement, that MQTT topic is mysensors_out/130/0/1/0/35 and the message is [something like] 760 (35 is the value type) Similarly, when a controller sends a command to a device (Arduino), the topic is unique. If you have two actuators with the same MY_NODE_ID and CHILD_ID (MQTT topic) there would be confusion as to what you want each actuator to do. Likewise, if two sensors had the same MQTT topic, how would the controller know how to handle the data.
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@ncollins Great! Seem the problem is the delay. With 1 ms or 100 ms I have double message, but with 200 ms I only one message. Thanks a lot.
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I've upgraded to OH4 and tried Mysensors binding 3.3.0-SNAPSHOT. It fails to load with error: Unresolved requirement: Import-Package: org.openhab.binding.mqtt.handler However 3.2.0-SNAPSHOT works perfectly with OH4!!! You can download it from this post: @vores8 said in OH3 - MySensors Binding: i've managed to build new version from the sources found here https://github.com/nikolac/openhab-addons/tree/mysensors-oh3-migration So far, so good - working with the latest OH 3.1.0 please download from https://disk.yandex.ru/d/Yq3gn8N7tXSQxA Install instructions: https://github.com/tobof/openhab-addons/wiki/Installation
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Replying myself after more reading and testing. *MQTT vs ETH probably is equivalent in my system, if the choice if given I think MQTT is preferred. *NRF24 or RFM69, maybe both as I already have a bunch of NRF24 radios home and can start build directly. *PC based MQTT could be an idea, but probably its as easy to work through an Arduino-example using the serial monitor in an Arduino-environment. My way forward will be: Remove the RPi-GPIO-gateway (I built a basic node and tested it, but could not communicate with the GW) and replace it with ESP8266-based WIFI/MQTT/Radio-gateway (one with NRF24 and eventually one with RFM69). I believe that will be an easier way into mySensors-world also limiting the amount of required Linux-related knowledge. It will be easier to debug the system from Arduino IDE-serial console. Ie start and confirm OH3 to MySensors-MQTT-gateway, then proceeding with sensor to gateway communication etc.
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Hi @zkarolyi You can download the 3.2.0-Snapshot version from here: https://forum.mysensors.org/post/110626 It is working in OH3 and OH4! There is also a 3.3.0-Snapshot version, but it doesn't work in OH4. See my post here: https://forum.mysensors.org/post/113864

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