Re: [Paparazzi-devel] Problem with Parrot AR Drone 2 and Flight Recorder

[Ben Laurie]

On 14 July 2013 20:39, Dino Hensen <address@hidden> wrote:
> Hello Ben Laurie,
>
> We are experiencing the same problem as you have now. I believe the ardrone
> sdk is outdated (they havent uploaded a new sdk yet), but they do have
> updated the firmware to include gps data. So 27 is not zimmu_3000, but some
> kind of gps struct. What helps for us is to keep pressing the Upload button,
> which will eventually start the autopilot (you will see the battery voltage
> go from zero to the actual value, notice that the battery voltage is
> actually in percentages in case of the ardrone2_sdk version). Ofcourse this
> is not good, and we are looking into solving this a.s.a.p.

See other thread - the problem is I'm using the Android version of
freeflight, which uses the wrong version of the firmware.

>
> Regards,
>
> Dino
>
>
> On Sun, Jul 14, 2013 at 3:25 PM, Ben Laurie <address@hidden> wrote:
>>
>> On 14 July 2013 13:46, Ben Laurie <address@hidden> wrote:
>> > On 10 July 2013 17:04, Freek van Tienen <address@hidden>
>> > wrote:
>> >> Hello,
>> >>
>> >> Are you trying to upload the SDK version?
>> >> And does the PFD(Primary Flight Display) in the GCS work? We currently
>> >> are
>> >> having some problems with the SDK version that it sometimes doesn't
>> >> seem to
>> >> get any navdata, and I think it has something to do with the internal
>> >> socket
>> >> connections. You could try to telnet and kill the ap.elf and run it
>> >> trough
>> >> telnet so that you can see the output. Then you can easily debug with
>> >> some
>> >> printf's. The quickfix for the navdata problem is to upload it a couple
>> >> of
>> >> times until it works.
>> >>
>> >> PS. The GPS tab on the GCS doesn't work yet with the parrot GPS,
>> >> because it
>> >> isn't implemented yet. You need to look at the blocks next to the
>> >> battery
>> >> level, the lowest one should say either "NO FIX" or "3D FIX".
>> >
>> > OK, so I patched in some debugging, and the problem seems to be that
>> > I'm not getting GPS packets at all...
>> >
>> > When option 27 arrives, it has length 12 and is all zeroes (apart from
>> > the tag and length field, of course). Not sure where to go from here,
>> > since that's obviously not the data expected...
>>
>> And it appears, from navdata_keys.h in the ardrone2 sdk that tag 27 is
>> actually for zimmu_3000, whatever that is. However, I don't get any
>> tags that aren't already accounted for by one of the tags in the SDK.
>>
>> >
>> >>
>> >>
>> >> 2013/7/9 Ben Laurie <address@hidden>
>> >>>
>> >>> I asked on IRC and was advised to write here.
>> >>>
>> >>> I just tried to get Paparazzi going with the Parrot and Flight
>> >>> Recorder, and, in short, it doesn't work. I've not used Paparazzi
>> >>> before, so I don't really know what to expect, so its hard for me to
>> >>> know what to report here, but in short:
>> >>>
>> >>> a) Uploads to the drone seem to work, I can telnet in and see that
>> >>> ap.elf is running.
>> >>>
>> >>> b) The map interface (GCS?) gets stuck in the "Wait GPS" state and
>> >>> indeed the GPS tab shows nothing except "Pos accuracy: N/A".
>> >>>
>> >>> c) The log claims the battery is critically low, but it was freshly
>> >>> charged.
>> >>>
>> >>> What can I do to help diagnose/fix this (note: I can write code :-)?
>> >>>
>> >>> Oh yes, I followed the directions here:
>> >>> http://paparazzi.enac.fr/wiki/AR_Drone_2/getting_started
>> >>>
>> >>> _______________________________________________
>> >>> Paparazzi-devel mailing list
>> >>> address@hidden
>> >>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>> >>
>> >>
>> >>
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