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  1. Home
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  3. Make MySensor network nodes detectable/scanable

Make MySensor network nodes detectable/scanable

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  • L Offline
    L Offline
    LastSamurai
    Hardware Contributor
    wrote on last edited by
    #1

    I am not sure if this is already possible in some way but if so controllers (domoticz and openhab 2) doesn't seem to do it yet.

    The idea is that other devices (like e.g. hues) can be instantly detected by controllers (by asking the bridge I guess?). I would love to see a similar feature for mysensors.
    At the moment I have to restart every node when using a new controller so that they represent themselves. As far as I know the gateway has to keep a list of nodes in the network anyways for routing purposes. Or at least has seen any node at one point.

    My idea would be to implement some kind of query that you can send to the gateway to make it return a list of all nodes on the network. That way one could connect the gateway to a new controller and instantly use every node in the network with that new controller (of course the controller has to support that feature).
    It doesn't seem to hard to implement and this is the one thing thats not super easy to use with mysensors (yet). At least in my experience.

    Is this already implemented somehow, or is there a technical reason why not?

    mfalkviddM 1 Reply Last reply
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    • L LastSamurai

      I am not sure if this is already possible in some way but if so controllers (domoticz and openhab 2) doesn't seem to do it yet.

      The idea is that other devices (like e.g. hues) can be instantly detected by controllers (by asking the bridge I guess?). I would love to see a similar feature for mysensors.
      At the moment I have to restart every node when using a new controller so that they represent themselves. As far as I know the gateway has to keep a list of nodes in the network anyways for routing purposes. Or at least has seen any node at one point.

      My idea would be to implement some kind of query that you can send to the gateway to make it return a list of all nodes on the network. That way one could connect the gateway to a new controller and instantly use every node in the network with that new controller (of course the controller has to support that feature).
      It doesn't seem to hard to implement and this is the one thing thats not super easy to use with mysensors (yet). At least in my experience.

      Is this already implemented somehow, or is there a technical reason why not?

      mfalkviddM Offline
      mfalkviddM Offline
      mfalkvidd
      Mod
      wrote on last edited by mfalkvidd
      #2

      @LastSamurai a MySensors gateway does not keep any state except the routing table. The routing table has no information about what the nodes are capable of. So asking it would yield very little information, at least with existing gateways. It cannot share what it doesn't know.

      But your use case is, as far as I know, supported by I_DISCOVER_REQUEST and I_DISCOVER_RESPONSE messages.

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      • mfalkviddM Offline
        mfalkviddM Offline
        mfalkvidd
        Mod
        wrote on last edited by
        #3

        See also https://forum.mysensors.org/topic/6506/how-to-ask-a-node-to-re-send-presentation-info

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        • L Offline
          L Offline
          LastSamurai
          Hardware Contributor
          wrote on last edited by
          #4

          Ok, thank you!

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