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  1. Home
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  3. Help getting started with MQTT gateway

Help getting started with MQTT gateway

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  • hekH hek

    Ah.. you're running mixed library versions on node/gateway.. Yes, then you'd need to call gw.begin() on the node.

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    Samuel235
    Hardware Contributor
    wrote on last edited by
    #13

    But will this overwrite any config/settings like sleep or anything? What does the NULL mean at the start of gw.begin?

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      hekH Offline
      hek
      Admin
      wrote on last edited by
      #14

      I'm splitting this discussion to a new topic.

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        hek
        Admin
        wrote on last edited by
        #15

        The 1.5 API/begin() is documented here:
        http://www.mysensors.org/download/sensor_api_15#the-full-api

        First argument is callback-function used if you're interested in incoming data. NULL won't overwrite any configuration.

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          Samuel235
          Hardware Contributor
          wrote on last edited by
          #16

          I'm sorry, i got confused about which version i was running. I thought it was the development humidity sketch and therefor i didn't look for the API of it. Makes sense now. Thank you.

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            Samuel235
            Hardware Contributor
            wrote on last edited by Samuel235
            #17

            I now have my controller, broker and gateway setup working fine. I then created a temp and humidity sensor, works fine. I then made a motion node, works fine. Then a light switch node that all work perfectly fine together. Now, i come to configure my relay module (which im struggling with getting it to receive the messages) so i open my serial monitor for the gateway and see that even though its got a solid connection, it keeps trying to make another MQTT connection. Over and over again....

            0;0;3;0;9;Attempting MQTT connection...
            0;0;3;0;9;MQTT connected
            0;0;3;0;9;Attempting MQTT connection...
            0;0;3;0;9;MQTT connected
            0;0;3;0;9;Attempting MQTT connection...
            0;0;3;0;9;MQTT connected
            0;0;3;0;9;Attempting MQTT connection...
            0;0;3;0;9;MQTT connected
            0;0;3;0;9;Attempting MQTT connection...
            0;0;3;0;9;MQTT connected
            

            There is nothing in the loop section of the sketch, so all i can assume is that it keeps dropping its connection to mosquitto broker thats wired over ethernet?

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              hek
              Admin
              wrote on last edited by
              #18

              Strange.. And the log on the relay node?

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              • hekH hek

                Strange.. And the log on the relay node?

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                Samuel235
                Hardware Contributor
                wrote on last edited by
                #19
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                  Samuel235
                  Hardware Contributor
                  wrote on last edited by Samuel235
                  #20
                  send: 4-4-0-0 s=255,c=0,t=18,pt=0,l=5,sg=0,st=fail:1.5.1
                  send: 4-4-0-0 s=255,c=3,t=6,pt=1,l=1,sg=0,st=fail:0
                  repeater started, id=4, parent=0, distance=1
                  send: 4-4-0-0 s=255,c=3,t=11,pt=0,l=5,sg=0,st=fail:Relay
                  send: 4-4-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,st=fail:1.0
                  send: 4-4-0-0 s=1,c=0,t=3,pt=0,l=0,sg=0,st=fail:
                  
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                    Samuel235
                    Hardware Contributor
                    wrote on last edited by Samuel235
                    #21

                    Just to let you know (Not sure if it tells you that i have edited a post), i have removed what i said about the gateway not working, that is back online now, however its back to doing exactly what it was doing earlier and keep trying to connect. But literally its spamming at a rate of like 10/20 per second...

                    0;0;3;0;9;Attempting MQTT connection...
                    0;0;3;0;9;MQTT connected
                    0;0;3;0;9;Attempting MQTT connection...
                    0;0;3;0;9;MQTT connected
                    

                    I have a weird feeling that there may be a power issue or a connection issue somewhere on this gateway. (Its in a cupboard since i got it working this morning so its a little hard for me to believe it).

                    I have tried a restart on the MQTT broker btw, still nothing.

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                      Samuel235
                      Hardware Contributor
                      wrote on last edited by
                      #22

                      I now feel like a very big silly idiot. Let this be a lesson to anyone thats developing any sort of project. Document everything in some way, pen and paper or in a file.

                      I had refreshed the sketch and used the same clientID as the raspberrypi was using when i had my old automation server running there.

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