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Simple Debug Statement in ArudPilot Code

Posted by Matt Landowski on April 26, 2012 at 9:10pm

How can you go about adding a debug statement to the ArduPilot code. I made some changes and wanted to log or print to screen during SITL testing.

Will the Serial.print work anywhere I put it without breaking something?

Or is there something already built into the code I can call or use?

Thanks,

-Matt

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Tags: apm, debug, help, software
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Replies

  • Matt Landowski April 28, 2012 at 5:21pm

    Thanks, for all the replies definately helped a ton.

    I tired to go the route of writing my own flash log outputs in the Log.pde, just glad to know there is an easier way.

    Thanks!

  • Greg Fletcher April 26, 2012 at 10:18pm

    Hi Matt,

    I have used Serial.print ('' ") for debugging quite a bit. Just pit it in a slow loop so you can read it and the digits don't flicker, and comment out other prints as needed. Like here at the end of the fast loop.

        // ------------------------------
        set_servos();

    ///test///    gcs_update();
    ///test///    gcs_data_stream_send();
        
    }

    static void medium_loop()

    Add you stuff to the medium or slow loop.

  • Developer
    Andrew Tridgell April 26, 2012 at 9:18pm

    Hi Matt,

    Serial.printf() will work almost everywhere (the exception is places like interrupt handlers).

    If you only want the message in SITL, then you can instead use SITL_debug(), like this:

      SITL_debug("some message\n");

    Cheers, Tridge

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