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Only receiving Mavlink Heartbeat but nothing else...Heeeelllllpppp pppleleeeaasssee!

Posted by DaveyWaveyBunsenBurner on July 22, 2011 at 9:17am

 

I have upgraded to APM 2.2.1 via APM planner.

 

I am running two XBees 2.4Ghz at 57600 and they work great in loop back, not one dropped packet.

 

All config is default.

 

When I try to connect using the latest version of HKGCS I get the startup messages, but then I only get the Mavlink heartbeat, I don't get any GPS, attitude or other data.

 

I'm pretty sure I've changed something, but I can't think for the life of me what. I've tried two laptops and a stock new installation of HK GCS.

 

Appreciate any help.

 

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Replies

  • Developer
    Jani Hirvinen July 23, 2011 at 8:37am

    have you checked your GCS transmission rates.

     

    I had a similar problem some days ago with APM-MP. Problem is now fixed on latest codes and they are changing those rates automatically.

     

    I was able to see raw sensor output but not actual AH/Gauges etc. Let me know if you have similar problems

  • DaveyWaveyBunsenBurner July 22, 2011 at 1:28pm
    Hi Peter,

    Ive tracked this down to an intermittent fault, probably thermal.

    Will report back. Ps they are series 1.

    Thanks all,

    Dave
  • Peter Seddon July 22, 2011 at 12:32pm
    I am using Xbee Pro ver 2 and there has been a thread elsewhere about setting them up on this forum. I did as suggested and it worked for me and I could use HK's GCS and planner.

    Which version of Xbee do you have (ver 1,2 or 2.5)?

    Peter
  • DaveyWaveyBunsenBurner July 22, 2011 at 10:42am
    Hi Paul,

    Do you mean the attitude, gps and waypoint tabs?

    Ive dialled them all down to 1 and back up again,

    No luck.
  • Paul Mather July 22, 2011 at 10:35am
    Xbee pro 2.4 will not work above 38400 without lost packets. At 57600 you should see some successful messages coming through. Try clicking one the combos on the serial tab and change it to anything else. See if that helps
  • DaveyWaveyBunsenBurner July 22, 2011 at 10:02am
    Hi Ritchie,

    I thought it was 57600 now? Thats what the wiki says.

    I beliebe the US guys couldnt run their 900 Xbees at 115200.

    Happy to be wrong?

    D
  • DaveyWaveyBunsenBurner July 22, 2011 at 9:42am

    Hi Peter,

     

    I have a solid blue on the MediaTek.

    I have a solid red on the IMU.

    If I turn the plane off I get a WARNING LOST CONNECTION verbal message, so the plane is definately transmitting back.

     

    I've tred this 20 or so times, resetting the APM etc, no joy.

     

    Regards

     

    Dave

     

  • Ritchie July 22, 2011 at 9:41am
    Default transmission from APM is 115200 have you set it in the config?
  • Peter Seddon July 22, 2011 at 9:36am
    Don't think you get any real data until you have GPS lock. Are you sure you have waited long enough for lock?

    Peter
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