Re: [Paparazzi-devel] What changed to telemetry?

[Chris]

I totaly agree about mixing data, it may create havoc but i had to ask.
I am trying to replace an older Vaisala (Finland made) theodolite - 
ballon - radiosonde system with a small airplane.
It is not very difficult as the data needed are easy to gather with 2 or 
three sensors.
Chris

On 11/11/2013 11:51 AM, Gautier Hattenberger wrote:
> Hi,
>
> I think an interesting point of this new organization of telemetry is 
> that you have to think if it really makes sense to mix data coming 
> from different subsystems/modules.
> In the case of WEATHER message, it would make sense to use it if you 
> have a singe module that provides all the data in a single place, but 
> if you need to use several modules for that, is it really necessary to 
> make a dependency between them, while the synchronization of such data 
> is probably not that important (unless you do meteo research) ?
> I hope it answers your question a little.
>
> Gautier
>
> Le 11/11/2013 09:11, Chris a écrit :
> > I really like this new messaging approach.
> > Btw i want to ask you if it is possible for two pieces of code to 
> > share the same message.
> > For example the "WEATHER" message has fields for the baro, the 
> > airspeed and the humidity so it will need input from 3 different 
> > sensors.
> > Of course i can find a workaround but i thought that it might be a 
> > good idea to ask first.
> > Chris
> >
> > On 11/10/2013 06:15 PM, Gautier Hattenberger wrote:
> > > Hi,
> > >
> > > We have recently merge this pull request 
> > > https://github.com/paparazzi/paparazzi/pull/472?source=cc into master.
> > > It is now using a registering mechanism where the actual function 
> > > that are sending the messages (formerly PERIODIC_SEND_XXX macros) 
> > > are real functions close to the code they belong to.
> > > The main purpose of these changes are to get rid of the old macro 
> > > based system which makes it much easier to debug.
> > >
> > > The wiki is up-to-date about how to add new periodic telemetry messages
> > > http://paparazzi.enac.fr/wiki/Telemetry#Add_Messages
> > > Especially, follow step 3 for latest master 
> > > http://paparazzi.enac.fr/wiki/Telemetry#Step_3_.28latest_master.29
> > >
> > > You can also find several examples in the code (for instance in 
> > > subsystems/gps.c)
> > >
> > > Gautier
> > >
> > > Le 10/11/2013 15:42, Chris a écrit :
> > > > I noticed that the "ap_downlink.h" file is now missing and i am 
> > > > wondering how to re enable the custom messages i had setup in 
> > > > "ap_downlink.h" file  from now on.
> > > > Any information is welcomed.
> > > > Chris
> > > >
> > > >
> > > >
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