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pixhawk setup problems

Posted by Richard Evans on February 23, 2014 at 3:59am

I am setting up a new pixhawk  with external gps/mag (ublox lea6) on a 800mm hex and having a few issues...

my frame is a rctimer s800 clone

I am running the latest firmware 3.1.2 and mission planner 1.2.93.

firstly the HUD seems to randomly start turning, and the compass calibration collects no samples, not sure if this is due to something i am causing or not but a cli erase and reset corrects it.

Also the cli is printing garbage  when i connect and seems to not respond to inputs as long as the minimosd is connected. it is connected on the telem2 port and telemetry unit on port 1. the minimosd has both rx and tx wired.

compassmot is also now showing "nan" but i believe this is a bug. although this has not always been like this...

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Replies

  • Richard Evans March 12, 2014 at 6:08am
    Colin,

    Never used the apm so cables were as supplied. I think I did have a 5-6 pin in the first setup and in did work... ground was probably from compass cable but have since used 6pin cable.
  • Colin Gresty March 12, 2014 at 5:57am

    Hi Richard,

    my setup is Pixhawk, APM 3.1.2 and the RCtimer F800 -r

    Stupid question, but are you using the GPS cable that was previously in an APM 2.x  or the 6 wire one that comes with the Pixhawk?

    its just that i nearly did that but noticed that the APM uses a 6 to 5 pinout.

    Cheers

    Colin 

  • Patrick Luciano March 11, 2014 at 1:03pm

    I'm having the exact same issue with my fresh pixhawk setup...  Where you able to resolve this?

    • Richard Evans > Patrick Luciano March 11, 2014 at 10:18pm

      Almost, do a full erase and start again but do not run compassmot. you can also change the NAN to 0 in the compass offsets but i have not tried this.

  • Richard Evans February 23, 2014 at 11:08pm

    53 views and no ideas on this?

  • Richard Evans February 23, 2014 at 5:43am

    update:

    changing the minimosd to telem1 with or without the telem unit connected does not make a difference. removing tx from minimosd shows the overlay and indicates mavlink heartbeat but data is not changing, just defaults...

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