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  1. Home
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  3. 💬 Building a Serial Gateway

💬 Building a Serial Gateway

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  • alowhumA alowhum

    But could the gateway itself do it too? If so, do you have any suggestions on where I should start? How can I "hook into" the gateway to find out what devices are communicating with it? Is there example code of this?

    mfalkviddM Offline
    mfalkviddM Offline
    mfalkvidd
    Mod
    wrote on last edited by
    #41

    @alowhum yes you could build a controller into the gateway.

    The receive function will be called for each incoming message. You can react to the messages inside receive().

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    • mfalkviddM Offline
      mfalkviddM Offline
      mfalkvidd
      Mod
      wrote on last edited by
      #42

      These threads might be useful
      https://forum.mysensors.org/topic/1973/esp8266-as-wifi-gateway-controller-node
      https://forum.mysensors.org/topic/4528/esp8266-as-a-gateway-and-controller

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      • alowhumA Offline
        alowhumA Offline
        alowhum
        Plugin Developer
        wrote on last edited by
        #43

        Thanks!!

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        • R Offline
          R Offline
          rodaman
          wrote on last edited by
          #44

          After 3 years of using RADIO_RF24 i replaced my all sensors with espeasy. It was just big battle with lost transmissions, disconnections, every day problems. Now for many days silence...Everything works.I still use mysensors in diferrent setup but NRF Radio is asking for trouble.

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          • M Offline
            M Offline
            maaaaaaaaaartin
            wrote on last edited by maaaaaaaaaartin
            #45

            I tried building a serial gateway using an Arduino Nano, but it never worked (both gateway and node start, but node keeps saying NO REPLY). I used the same NRF24 module directly on the Raspberry Pi, and built a Raspberry Pi gateway, it worked perfectly. Any idea on what might be going on? Thanks!

            mfalkviddM 1 Reply Last reply
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            • M maaaaaaaaaartin

              I tried building a serial gateway using an Arduino Nano, but it never worked (both gateway and node start, but node keeps saying NO REPLY). I used the same NRF24 module directly on the Raspberry Pi, and built a Raspberry Pi gateway, it worked perfectly. Any idea on what might be going on? Thanks!

              mfalkviddM Offline
              mfalkviddM Offline
              mfalkvidd
              Mod
              wrote on last edited by
              #46

              @maaaaaaaaaartin most common problem is that the power source is not stable enough for the nrf24.

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              • A Offline
                A Offline
                APL2017
                wrote on last edited by
                #47

                Can serial gateway be build on Atmel 168 chip instead of 328 in terms of memory? It compiles fine, but leaves little extra memory for variables.

                mfalkviddM 1 Reply Last reply
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                • A APL2017

                  Can serial gateway be build on Atmel 168 chip instead of 328 in terms of memory? It compiles fine, but leaves little extra memory for variables.

                  mfalkviddM Offline
                  mfalkviddM Offline
                  mfalkvidd
                  Mod
                  wrote on last edited by
                  #48

                  @APL2017 how much is left?

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                  • A Offline
                    A Offline
                    APL2017
                    wrote on last edited by APL2017
                    #49

                    Sketch uses 13634 bytes (95%) of program storage space. Maximum is 14336 bytes. Global variables use 731 bytes (71%) of dynamic memory, leaving 293 bytes for local variables. Maximum is 1024 bytes.

                    I noticed parsing error in my controller log and switched to 328P. I bought 168P by mistake and wondering how I can use it. Does simple mySensors node require less ROM/RAM than gateway?

                    mfalkviddM 1 Reply Last reply
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                    • A APL2017

                      Sketch uses 13634 bytes (95%) of program storage space. Maximum is 14336 bytes. Global variables use 731 bytes (71%) of dynamic memory, leaving 293 bytes for local variables. Maximum is 1024 bytes.

                      I noticed parsing error in my controller log and switched to 328P. I bought 168P by mistake and wondering how I can use it. Does simple mySensors node require less ROM/RAM than gateway?

                      mfalkviddM Offline
                      mfalkviddM Offline
                      mfalkvidd
                      Mod
                      wrote on last edited by
                      #50

                      @APL2017 a very simple node, yes. But a node using a sensor library can often need more flash and ram than a gateway. I have tried to fit things into the atmega168 (I also bought wrong devices) but gave up. Unless you think it is a fun and interesting challenge, it will not be worth the time.

                      A 1 Reply Last reply
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                      • mfalkviddM mfalkvidd

                        @APL2017 a very simple node, yes. But a node using a sensor library can often need more flash and ram than a gateway. I have tried to fit things into the atmega168 (I also bought wrong devices) but gave up. Unless you think it is a fun and interesting challenge, it will not be worth the time.

                        A Offline
                        A Offline
                        APL2017
                        wrote on last edited by
                        #51

                        @mfalkvidd Thank you, I will donate 168P to some other Arduino enthusiast.

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                        • M Offline
                          M Offline
                          mariusl
                          wrote on last edited by
                          #52

                          Why would the gateway send a NACK to any node? The node only received one OK and then just NACK
                          17764 ?TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=1,st=OK:
                          22773 !TSM:FPAR:NO REPLY
                          22775 TSM:FPAR
                          29779 ?TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=NACK:
                          34789 !TSM:FPAR:NO REPLY
                          34791 TSM:FPAR

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