PixHawk UBLOX passthrough?

[Steve McLaughlin]

This seems like it'd be pretty useful...Is this simple to do?  I tried something similar to what APM had but it didn't work.

[Randy Mackay]

Steve,

 

     The coding is easy, the compiling seems hard (for me anyway).  Theoretically all we need to do is compile this sketch for the Pixhawk and maybe change the serial port that it’s using (remember we support two GPSs now).

             https://github.com/diydrones/ardupilot/blob/master/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde

 

    http://copter.ardupilot.com/wiki/common-installing-3dr-ublox-gps-compass-module/

 

-Randy

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[Steve McLaughlin]

Tried it again and it worked!

Attached is the working firmware.

[Randy Mackay]

 

     I gave this a go with my Pixhawk + 3dr Ublox LEA-6H and u-center was able to connect but I never saw any data.  Could someone else try it out?

          http://copter.ardupilot.com/wiki/common-ublox-gps/

 

-Randy

 

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Sent: 27-Sep-14 3:07 PM
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[Marco Robustini]

There's no way with NuttX to redirect the gps serial port to the usb?
I'm not 100% sure but with VR Brain 5 is possible with a command line.

Marco

[Meier Lorenz]

Tridge implemented this for the radio firmware update, so rather than doing something special for the GPS you might just want to work out what the MAVLink command for enabling pass-through was. If I recall correctly it allowed you to pick the serial port.

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[Michael Oborne]

If the ublox is connected to a pixhawk, then in misisonplanner

 

While connected

Press control-f

Click mavserial pass.

This starts a tcp server on port 500, that you can connect to using ucenter.

 

Michael

[Steve McLaughlin]

This works even better and is quicker!

Thanks!

[Roberto Navoni]

Yes,
we had implemented some utility for bypass serial port of gps and
radio telemetry link.
best
Roberto