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  3. Strange behaviour with mysensors + RFLink

Strange behaviour with mysensors + RFLink

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  • 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

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    • 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
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            • 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
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                • 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

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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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