arduino Mega 2560 : radio init fail [solved]



  • Hello,
    I have an arduino mega 2560 Geekcreit, that seems to work well on basic sketches.
    uploaded the basic gateway sketch version 2.1.1 with nothing added.
    Connected a radio that has been tested on a uno and that works on this arduino uno.
    wiring double checked. capacitor added on 3.3V and GND.
    Voltage measurement on the radio : 3.29V and seeming stable.
    Below is my debug log.
    What else can I try to make it work, or find the fault?
    Thanks.

    Nicolas

    0;255;3;0;9;MCO:BGN:INIT GW,CP=RNNGA--,VER=2.1.1
    0;255;3;0;9;TSM:INIT
    0;255;3;0;9;TSF:WUR:MS=0
    0;255;3;0;9;RF24:write register, reg=0, value=14
    0;255;3;0;9;RF24:write register, reg=3, value=3
    0;255;3;0;9;RF24:write register, reg=4, value=95
    0;255;3;0;9;RF24:write register, reg=5, value=76
    0;255;3;0;9;RF24:write register, reg=6, value=35
    0;255;3;0;9;RF24:write register, reg=16, value=115
    0;255;3;0;9;RF24:write register, reg=29, value=6
    0;255;3;0;9;RF24:read register, reg=6, value=255
    0;255;3;0;9;RF24:read register, reg=5, value=255
    0;255;3;0;9;!RF24:INIT:SANCHK FAIL
    0;255;3;0;9;!TSM:INIT:TSP FAIL
    0;255;3;0;9;TSM:FAIL:CNT=1
    0;255;3;0;9;TSM:FAIL:PDT
    0;255;3;0;9;RF24:write register, reg=0, value=12
    0;255;3;0;9;RF24:PD


  • Mod

    Double check the wiring and if you used the right pins for the mega 2560


  • Mod

    @npiot also check that you've added the defines required for nrf24 on mega ( i structions are available at https://www.mysensors.org/build/connect_radio )



  • Well, thanks a lot, it solved it. I saw the different wiring for mega2560, but not the star which added two lines to the sketch :
    #define MY_RF24_CE_PIN 49
    #define MY_RF24_CS_PIN 53

    It works now! thanks also for your reactivity;

    Nicolas


  • Mod

    @npiot great, thanks for reporting back. And the star wasn't there before, I added it when I suspected that the defines could be easily missed 🙂 Thanks for helping make the documentation better.


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