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Re: [Paparazzi-devel] strange problem when running the GCS programs

From: hendrixgr .
Subject: Re: [Paparazzi-devel] strange problem when running the GCS programs
Date: Wed, 22 Jun 2016 15:59:39 +0300

I couldn't replicate it using individual console commands but when i get this error i get no telemetry, the link is up but no data
are coming through.
I suspect that it has to do with an update to Ubuntu 12.04 LTS about a month ago.

On Tue, Jun 21, 2016 at 9:14 PM, hendrixgr . <address@hidden> wrote:
I will do it tomorrow first thing and i will reply.

On Tue, Jun 21, 2016 at 4:50 PM, Felix Ruess <address@hidden> wrote:
Hi Chris,

can you start the programs separately to figure out from which one the exception is coming?

Cheers, Felix

On Tue, Jun 21, 2016 at 1:06 PM, Chris <address@hidden> wrote:
I get a strange error (the one you see later) which affects the telemetry among other things but only the first time i run the GCS programs, if i stop/remove all running processes then the next time everything runs fine.
I am running Ubuntu 12.04 LTS and the very latest master although i have been seeing this error
regularly for the whole past month

Here is the control_panel.xml part

   <program name="GCS_C177" command="sw/ground_segment/cockpit/gcs -speech -layout CEF/C177_layout.xml -mplayer 'tv:// -tv driver=v4l2:width=640:height=480:norm=PAL:input=1:device=/dev/video0'">
      <arg flag="-b" variable="ivy_bus"/>

   <session name="C177 cam joystick @115200">
      <program name="Joystick">
         <arg flag="CEF/Saitek_Aviator_camera.xml"/>
         <arg flag="-ac" constant="@AIRCRAFT"/>
      <program name="Data Link">
         <arg flag="-d" constant="/dev/ttyUSB0"/>
         <arg flag ="-transport" constant="pprz"/>
         <arg flag="-s" constant="115200"/>
      <program name="Server"/>
      <program name="GCS_C177"/>

Here is the output containing the error:

RUN '/home/hendrix/paparazzi/sw/ground_segment/joystick/input2ivy CEF/Saitek_Aviator_camera.xml  -ac Cessna_177'
RUN '/home/hendrix/paparazzi/sw/ground_segment/tmtc/link  -d /dev/ttyUSB0 -transport pprz -s 115200'
RUN '/home/hendrix/paparazzi/sw/ground_segment/tmtc/server '
RUN '/home/hendrix/paparazzi/sw/ground_segment/cockpit/gcs -speech -layout CEF/C177_layout.xml -mplayer 'tv:// -tv driver=v4l2:width=640:height=480:norm=PAL:input=1:device=/dev/video0' '
Fatal error: exception Not_found
Broadcasting on network, port 2010

The same happens to all my aircrafts where i just change the aircraft name and probably the baud rate.

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