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Re: [Paparazzi-devel] ardrone2 success

From: Ben Laurie
Subject: Re: [Paparazzi-devel] ardrone2 success
Date: Sun, 17 Nov 2013 18:23:16 +0000

Oh yes - and indents are all over the place (I'm guessing someone has tabs set to 2 spaces).

On 17 November 2013 18:22, Ben Laurie <address@hidden> wrote:

On 6 November 2013 13:24, Freek van Tienen <address@hidden> wrote:
Yes we are looking into using the DSP. We are currently also busy working on an ardrone2 vision platform, where for example it is possible to make a module for landing on a mark.
We alrready had vide streaming and some basic vision algorithms working, but not in a very nice way. So we are refactoring it, and make it more easy to use.

So is it possible to use it now to do streaming? If so ... how?

Also, it doesn't even build right now, e.g.:

   CC         brightspotdetector_code.o
In file included from brightspotdetector_code.c:15:0:
../../gst_plugin_framework/paparazzi.h: In function 'paparazzi_message_server_start':
../../gst_plugin_framework/paparazzi.h:24:6: error: 'tcp_port' undeclared (first use in this function)
../../gst_plugin_framework/paparazzi.h:24:6: note: each undeclared identifier is reported only once for each function it appears in
../../gst_plugin_framework/paparazzi.h: In function 'TCP_thread':
../../gst_plugin_framework/paparazzi.h:40:48: error: 'tcp_port' undeclared (first use in this function)
../../gst_plugin_framework/paparazzi.h: In function 'paparazzi_message_send':
../../gst_plugin_framework/paparazzi.h:71:6: error: 'tcp_port' undeclared (first use in this function)
brightspotdetector_code.c: In function 'my_plugin_run':
brightspotdetector_code.c:44:20: error: 'counter' undeclared (first use in this function)
make[1]: *** [brightspotdetector_code.o] Error 1
make[1]: Leaving directory `/home/ben/git-work/paparazzi/sw/ext/ardrone2_vision/pprz_gst_plugins/BrightSpotDetector'
make: *** [all] Error 2

And the install appears to not have been coded (from

# Install the vision framework                                                  
def ardrone2_install_vision():
  print 'TODO'


It's still work in progress, and currently doesn't work out of the box but here is the github repository.

2013/11/5 Ben Laurie <address@hidden>
On 5 November 2013 14:32, Freek van Tienen <address@hidden> wrote:
> Nice! Good to hear!
> I'm currently working on the sonar for the ardrone2:
> I've tested it for heights under 4m, but couldn't test it outside yet
> because of the weather. But it should work, and estimates the height under
> 4m much better. Then we can even make it land on sonar height.

Cool. I'll give it a try when I next get a chance.

I think I read somewhere that the ardrone2 has a DSP - have you looked
into using that yet?

Because I've been flying mine from my fields, I've had to use a
platform to launch it from (the grass is too long to do it from the
ground). As it happens, the platform I'm using is a bright yellow
stool. I was wondering if it would be possible to use the camera to
land on it :-) (Just idle speculation really).

On a related note, is it possible to record the video during a
paparazzi flight? And/or view it live?

> 2013/11/5 Ben Laurie <address@hidden>
>> Finally got a chance to test the fixed GPS. Despite quite high winds
>> (forecast says 40 km/h) it all went well, and even landed correctly.
>> Interestingly, the USB stick u-blox GPS, which was horribly inaccurate
>> out-of-the-box, worked perfectly once ucenter was able to correctly
>> configure it.
>> _______________________________________________
>> Paparazzi-devel mailing list
>> address@hidden
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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