Re: [Paparazzi-devel] New airframe file and GPS.

[Helge Walle]

Thanks for the replies,

It seems the problem with the unwanted messages (see below) is not consistently reproduceable.
I now think that maybe they are caused by the delay before the GPS sees it's first satellite signals when situated indoors.

I looked in the fw_server.ml code, and line 214 seems to deal with the SVINFO message.
Indoors it takes a long while (>30 sec) before the first SVINFO message appears in the Messages tool.

Is the SVINFO message held back by some initial condition in the GPS?

If I carry the equipment outdoors just after hitting Execute in Paparazzi Center, there seems to be no problems and the unwanted messages do not appear.

Helge.

Hi,

 

I have tested my TWOG based equipment (LEA-5H GPS, IR sensors, no gyro) and things seem to work fine with the new airframe file.

 

However a couple of unwanted messages show up in Paparazzi Center:

 

After half a minute or so outside I get some (30 or so) lines like this:

Invalid_argument("Latlong.of_utm")

 

Just after obtaining a 3D fix I get one line like this:

File "fw-server.ml", line 214, characters 6-12: Assertion failed

 

With the old airframe file the first of these lines were removed by having
ap.CFLAGS += -DGPS_USE_LATLONG

in the makefile section.

 

Do I need to do anything special to my airframe file or GPS?

 

Thanks,

 

Helge.

 

 

 

 

 

 

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