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  3. Strange behaviour with mysensors + RFLink

Strange behaviour with mysensors + RFLink

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  • gohanG Offline
    gohanG Offline
    gohan
    Mod
    wrote on last edited by
    #2

    Could it be some noise? How far are from each other?

    1 Reply Last reply
    0
    • K Offline
      K Offline
      knop
      wrote on last edited by
      #3

      I think it is not noise, I've tried with 10meters between my RFLink and Arduino+NRF24 and same packets received on RFLink

      1 Reply Last reply
      0
      • K Offline
        K Offline
        knop
        wrote on last edited by
        #4

        Furthermore I did not change MyConfig.h and some others files in MySensors (no DEBUG etc..), I'm using MySensors V2.1.1
        I'm using RF24 lib from TMRh20 version 1.3.0

        Thanks

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        • Y Offline
          Y Offline
          yos2000
          wrote on last edited by
          #5

          Same here:
          20;76;MySensors;ID=03;Len=00;pltype=00;t=07;s=FF;DEBUG=ff1d0303ff020307ff;

          This is a DHT22 sending temp en hum. It worked on a mysensors gateway, but is see these logs when I try to read it with the RFlink. (Firmware 46 & 47)

          K 1 Reply Last reply
          0
          • Y yos2000

            Same here:
            20;76;MySensors;ID=03;Len=00;pltype=00;t=07;s=FF;DEBUG=ff1d0303ff020307ff;

            This is a DHT22 sending temp en hum. It worked on a mysensors gateway, but is see these logs when I try to read it with the RFlink. (Firmware 46 & 47)

            K Offline
            K Offline
            knop
            wrote on last edited by
            #6

            @yos2000 said in Strange behaviour with mysensors + RFLink:

            Same here:
            20;76;MySensors;ID=03;Len=00;pltype=00;t=07;s=FF;DEBUG=ff1d0303ff020307ff;

            This is a DHT22 sending temp en hum. It worked on a mysensors gateway, but is see these logs when I try to read it with the RFlink. (Firmware 46 & 47)

            Thx for your reply
            In your sketch to manage the DHT22 you have send(msg...) to transmit temp/hum ?
            In my case there is nothing in setup() and loop(), if I remove "#include <MySensors.h>" in my sketch there is not packet receive in RFLink. The behaviour seems to come from MySensors library which send itself some packets !

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            • gohanG Offline
              gohanG Offline
              gohan
              Mod
              wrote on last edited by
              #7

              Mysensors has some "service" traffic maybe it is what you are seeing (I am not into RF su I don't know how to read the debug messages you get)

              K 1 Reply Last reply
              0
              • gohanG gohan

                Mysensors has some "service" traffic maybe it is what you are seeing (I am not into RF su I don't know how to read the debug messages you get)

                K Offline
                K Offline
                knop
                wrote on last edited by
                #8

                @gohan said in Strange behaviour with mysensors + RFLink:

                Mysensors has some "service" traffic maybe it is what you are seeing (I am not into RF su I don't know how to read the debug messages you get)

                Thanks gohan, very Interesting, if you have more information about that (how to deactivate it etc..), it should be great ;-)

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                • F Offline
                  F Offline
                  Fabien
                  wrote on last edited by
                  #9

                  It's probabley a request to find parent (t=07)

                  K 1 Reply Last reply
                  0
                  • F Fabien

                    It's probabley a request to find parent (t=07)

                    K Offline
                    K Offline
                    knop
                    wrote on last edited by
                    #10

                    @Fabien

                    Thanks for feedback,

                    I'm not an expert, I just want to know if is it normal behavior to have packets send by mysensors lib in empty project ?

                    Thanks for your clarification
                    Chris

                    gohanG F 2 Replies Last reply
                    0
                    • K knop

                      @Fabien

                      Thanks for feedback,

                      I'm not an expert, I just want to know if is it normal behavior to have packets send by mysensors lib in empty project ?

                      Thanks for your clarification
                      Chris

                      gohanG Offline
                      gohanG Offline
                      gohan
                      Mod
                      wrote on last edited by
                      #11

                      @knop maybe it is your neighbour node? or a node you forgot somewhere? :D

                      1 Reply Last reply
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                      • K Offline
                        K Offline
                        knop
                        wrote on last edited by
                        #12

                        Good remark :-)

                        But I've checked this point ;-), I've disconnected one wire of my NRF24L01 and no more packets received on RFLink ;-)

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                        • K knop

                          @Fabien

                          Thanks for feedback,

                          I'm not an expert, I just want to know if is it normal behavior to have packets send by mysensors lib in empty project ?

                          Thanks for your clarification
                          Chris

                          F Offline
                          F Offline
                          Fabien
                          wrote on last edited by
                          #13

                          @knop With an empty sketch, you have some packets from node to find parent (gateway).

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                          • K Offline
                            K Offline
                            knop
                            wrote on last edited by
                            #14

                            Hi,
                            Little update. So I need as you said a serial gateway. The question is : does rflink is equivalent to mysensors gateway ?
                            If not i need to build a serial gw and connect it on usb port of my raspberry and declare it on domoticz interface. If yes how to configure domoticz to manage rflink + others protocol ? (Declare 2 gateways (rflink and traditionnal gw) on same usb port?
                            Thanks for your help.
                            Chris

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                            • scalzS Offline
                              scalzS Offline
                              scalz
                              Hardware Contributor
                              wrote on last edited by scalz
                              #15

                              @knop
                              RFLink is not equivalent to a MySensors gw, and won't be. You should better use a MySensors gw.
                              Else i would wish them good luck to handle the full Mysensors lib (and updates), plus some others protocol, without loosing packets etc..

                              I don't use a RFLink, but what I'm pretty sure is, actually, :

                              • it can only receive MySensors nodes, as RFLink is sort of sniffer. It can't be a part of the MySensors network, with id etc, so it can't send commands to MySensors nodes.
                              • If MySensors encryption is enabled, or also signing, then it would become even more difficult for the RFLink to listen something (its basic task)
                              • especially, because RFLink doesn't use MySensors GW code. Make sense it just sniff/listen.

                              When using a MySensors GW, you can also benefit:

                              • sending commands of course
                              • the full MySensors protocol and features
                              • MySensors library updates
                              • controllers (like domoticz etc.) have dedicated plugins for using MySensors, which make this even more friendly to use compared to a generic sniffer (because the plugin is customized for MySensors features)

                              I'm pretty sure there are others relevant point, but I hope this clarifies :)

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                              • F Offline
                                F Offline
                                Fabien
                                wrote on last edited by
                                #16

                                And with RFLink, you can only use 2.4GHz frequency. It doesn't work with RFM69.
                                Actually I have a MySensors Gateway and a RFLink (not for the same usage)

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                                • K Offline
                                  K Offline
                                  knop
                                  wrote on last edited by knop
                                  #17

                                  Ok thanks you guys, I will try to make a Serial GW with Arduino Uno + NRF24L01
                                  And to connect this GW to my Raspberry Pi3.
                                  But I very disappointed about RFLink, and do not understand why there is an option "MySensors" on it !

                                  Thanks again for clarifications.

                                  Chris

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                                  • gohanG Offline
                                    gohanG Offline
                                    gohan
                                    Mod
                                    wrote on last edited by
                                    #18

                                    You can connect nrf24 directly on the rpi, there is no need for the UNO

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