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Smart Home Forum by FIBARO Team

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[SCENE] Fail-safe fibaro:call()



Hi everyone.

I have few devices that don't react properly to simple "turnOn", "turnOff" actions. Might be Z-wave unresponsive at that time  or RF interference or they're too far away from controller or they'e dead. Anyhow when executing fibaro:call(devID,"turnOn") the device doesn't always turning ON (same case for OFF). 

This phenomena very frustrating especially on predefined events that don't act as expected ( like turn on Fan in bathroom when humidity high, close garage if no presence detected at home,  turn on/off water heater according to temperature and etc.)

Attached scene code is verifying that the device is not dead, command transferred to device and device has changed the state. In case of problem  email sent to notify about problem. In addition I have found that this scene is very efficient to identify unresponsive Z-wave situation and I'm using this scene to turn on/off  some device every hour just to see if Z-wave is OK.

Some basic instructions:

1. Create new LUA scene and copy attached code in it.

2. Scene call syntax:   fibaro:startScene(sceneID, {devID, "turnOn"})  - same parameters as original fibaro:call()

That's all for basic.

In addition there are two options:

1. If you have device that you want to be notify by email at any time that the device state has been changed (in my case garage gate and water heater), please add third Boolean parameter:  fibaro:startScene(sceneID, {devID, "turnOn",  true}). You will receive an email  one every state change of the device. Could be changed into push notification.

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2. If you need to receive scene status of the action or debug information, please follow next instructions:

  • Add "predefined global variable" by name jCall.
  • In order to receive correct response you need to make sure that the scene is executed before that, so the suggested scene call is:

 x=os.time(); while (fibaro:countScenes(sceneID)>0 and os.time() - x < 10) do end

 jFc = json.decode(fibaro:getGlobalValue("jCall"))

fibaro:debug(jFc.resp) -- print debug information

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  if (jFc.status == 1) then

  -- success - write your code


  -- action failed write your code


Note: In case the device already at the same state, email sent to notify that the device state is the same and no action performed.

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Scene Code below and attachment 

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Edited by cag014
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