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Multiple traces on Scope?

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  • Multiple traces on Scope?

    I am using uLCD-28PTU V3.9
    Arduino is sending values to the scope which plot ok.
    However, how do I have multiple traces on the scope?

    The Ref Manual says "Up to 4 traces can be drawn. Each value written to the object is written to the ‘next’ trace. "

    When the write command is
    genieWriteObject(25, 0x00, Value a);
    genieWriteObject(25, 0x00, Value b);
    The 2nd statement just cause the same trace to plot the next value.

    Am I missing something? There doesnt seem to be any provision for a 2nd argument.

  • #2


    That's the correct way to do it.

    Did you forget to change 'traces' to 2 in the object?
    Mark

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    • #3


      Bollocks !

      When i enabled 3 traces, the memory usage went up so that i couldnt use any x-Mag.
      Said the program is too big.
      I thought it would be stored on uSD?
      or are the traces different?

      Thanks again

      Comment


      • #4


        The manual says
        It is RAM that gets used, each value of each trace requires 2 words or RAM, an X value of -1 requires 4 words, etc.
        Mark

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