PI 3 and Arduino uno: no communcation



  • Hi,

    I attached a nrf24l01 with 5 -> 3,3 V convertor to a PI3 and a Arduino uno.
    Running mysgw on the PI shows no error.
    The Arduino uno is also starting fine, but it cant' find the PI.

    I measured the 3.3V voltage and that's find. I don't see any drops.
    I soldered a capacitor on the VCC of both nrf24l01.
    Placing the PI and the Arduino closer togeher is also not helping.

    What else can I try?

    PI logs:
    mysgw: Starting gateway...
    mysgw: Protocol version - 2.1.1
    mysgw: MCO:BGN:INIT GW,CP=RNNG--Q,VER=2.1.1
    mysgw: TSM:INIT
    mysgw: TSF:WUR:MS=0
    mysgw: TSM:INIT:TSP OK
    mysgw: TSM:INIT:GW MODE
    mysgw: TSM:READY:ID=0,PAR=0,DIS=0
    mysgw: MCO:REG:NOT NEEDED
    mysgw: Listening for connections on 0.0.0.0:5003
    mysgw: MCO:BGN:STP
    mysgw: MCO:BGN:INIT OK,TSP=1

    Arduino log:
    0 MCO:BGN:INIT NODE,CP=RNNNA--,VER=2.1.1
    3 TSM:INIT
    4 TSF:WUR:MS=0
    11 TSM:INIT:TSP OK
    13 TSM:FPAR
    15 TSF:MSG:SEND,255-255-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    2022 !TSM:FPAR:NO REPLY
    2024 TSM:FPAR
    2026 TSF:MSG:SEND,255-255-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    4034 !TSM:FPAR:NO REPLY
    4036 TSM:FPAR
    4038 TSF:MSG:SEND,255-255-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
    6046 !TSM:FPAR:NO REPLY
    6048 TSM:FPAR
    6050 TSF:MSG:SEND,255-255-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:


  • Mod

    First you need to define a node ID on Arduino. Second, did you put a capacitor near the radio module?



  • Capacitor is soldered on both modules.

    And I thought the Arduino is broadcasting to the GW to request a node ID?

    Stef


  • Mod

    but it needs a controller to assign the ID, gateway is pretty much dumb



  • I have Openhab running as controller.

    But still, shouldn't I see any communication between the PI and Arduino?

    Stef


  • Mod

    you should, anyway just add the node id and try with mysensors library from development branch.

    You may also try to make a USB gateway with another arduino and see if you see any change. If you have more radio modules try them too. Sometimes it is just a faulty radio module and you loose all that time for nothing :D


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