Re: [Paparazzi-devel] Radio not working after migration to current version - How to activate PPM Messages

[Thomas Wuensche]

Hi Felix,

I also see problems with the mode switch. By activating the
PPM and RC messages on telemetry I could verify that the
PPM signal works. As I checked a few days ago the conditions
for the mode switch should be fulfilled (depends on MAX_PPRZ),
but with radio on I get AUTO1 in one position of the switch,
AUTO2 in the two other positions.

I'm still checking, will post if I have news.

Regards, Thomas

Felix Ruess wrote:
> Hi Tim,
> 
> you updated your airframe file to the subsystems?
> You can still activate the ppm message just like before and like it says
> on the wiki (
> http://paparazzi.enac.fr/wiki/Radio_Control#Measuring_the_PPM_time_values
> ) by adding
>   <define name="TELEMETRY_MODE_FBW" value="1"/>
> to the firmware section in your airframe file.
> 
> What changed and I guess is your problem is that now the ppm signal is
> better checked for validity and the number of channels has to match
> _exactly_ to be a valid signal.
> 
> Cheers, Felix
> 
> On Tue, Dec 28, 2010 at 3:34 PM, Tim Hansen <address@hidden
> <mailto:address@hidden>> wrote:
> 
>     Hi,
> 
>     I had a working setup with an older version of paparazzi (svn
>     checkout 2009-07) after migration to a newer version (git
>     2010-11-28) the radio doesn't work anymore. The aircraft is in auto2
>     all the time. I checked with an oscilloscope: The pulses arrive at
>     the tiny. So it must be an software problem.
> 
>     I tried to activate the ppm messages but the information in the wiki
>     about this is outdated (old airframe config file).
> 
>     Can someone tell me how they should be activated in the current
>     version, or what might be the reason for the not working radio ?
> 
>     I wish everybody a good start into next year
>     Tim
> 
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> 
> 
> 
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