Curtis Olson wrote: > 2009/10/31 Ørjan Pettersen <orj...@stud.cs.uit.no > <mailto:orj...@stud.cs.uit.no>> > > Hello! > > I was planning on using FG as a UAV test platform. The idea was to > have > a demo flight with takeoff and landing on about 10 minutes. And during > that flight I would gather flight data with an external program. Data > like GPS position, airspeed, height and so on. > > Is there an easy way to access different flight data from an external > application during flight? The first way that come in mind is to > connect > to it in multiplayer mode. But, since I never have tested > multiplayer, I > don't know what information that is sent out to the other players. > > Or perhaps using the Paparazzi project to control the plane, and > gather > data from Paparazzi instead? > > Does anyone have any thoughts on how this can be done? > > > I think the easiest way to proceed would be to use the FGNetFDM > (--native) protocol or the --generic protocol (which allows you to > design custom packets with the specific fields you choose.) Both of > these can send the data out as UDP packets which then can be read by > your external program using standard socket communication. > > This same basic mechanism also would permit your external program to > send control commands so if some day you want to do some sort of > hardware or software in the loop testing of your uav controller, that > is also a possibility. > > Curt. > -- > Curtis Olson: http://baron.flightgear.org/~curt/ > <http://baron.flightgear.org/%7Ecurt/> Thanks for the tip. I'll have a look at it.
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