[gpsd-dev] Issue with GPSD always returning the same lat long

[sauclair]

Greetings !

 

Don’t know where to ask for this…

 

I am using gpsd with a C++ application I made. It run on RaspberryPi and Raspbian Debian Linux.

 

I am currently doing my tests without moving the receiver. (globalsat bu-353s4)

 

The problem is that I get what seems to be good coordinates but I do gps_rec.read every 500msec and always get the exact same coordinates !

If I restart my application, I get a new set of coordinates with the slight variation we can always expect… but again, each 500msecs, that new coordinate is always exactly the same.

 

I use the C++ code sample provided here. (http://www.catb.org/gpsd/client-howto.html#_c_examples_2)

 

While my application still runs, I start XGPS or CGPS and see normal variation of my location.

 

Any idea what I might be doing wrong ?

 

I bet that if I take entire setup with me and drive around the building I’ll always get the same coordinates as if I never left the building !

 

Thanks !