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

[Gautier Hattenberger]

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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