Re: [Paparazzi-devel] Multi tiered telemetry solution

[Gareth Roberts]

It's link isn't it?
/sw/ground_segment/tmtc/link.ml

Cheers,
Gareth

On Wed, 07 Mar 2012 16:55:22 -0000, Tilman Baumann <address@hidden>  
wrote:

> I must have fallen on my head today.
> Can someone point me to the code that runs the serial telemetry link in  
> the ground segment?
> I suppose there is a programme that parses that and lifts it into ivy?
>
> This is, where I would think I would have to attack the problem...
>
> On 06/03/12 16:32, Tilman Baumann wrote:
> > I have been wondering for a while if it would be feasible to have some  
> > kind of tiered structure for different telemetry links.
> > Most links have their distinct advantages but also disadvantages.
> >
> > I was thinking to have WLAN for short range via on-board computer.  
> > (Telemetry via UDP and video/image capture)
> > RF for mid range.
> > And 3g/UMTS for fall-back. (Has anyone tried this before on paparazzi?  
> > ArduPilot seems to have that as a viable option.)
> >
> > Those links have obviously very different round trip times, bandwidth  
> > and reliability. So the amount of data sent back would have to be  
> > dynamically adapted.
> > I don't think the code has such a concept yet, but does anyone think it  
> > can be easily done?
> > I'm actually contemplating some kind of bridge right now that takes a  
> > full speed telemetry downlink via serial that has some knowledge about  
> > the message types in order to chop off messages that will not fit the  
> > selected downlink.
> >
> > I'm just thinking loud here. But if the ideas are viable I would  
> > perhaps like to invest some energy to test those...
>
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