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Old 24-04-2011, 05:04   #1
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Join Date: Apr 2006
Location: Muscat, Oman
Boat: Roberts, C45 Spray - EDM
Posts: 80
OpenCpn and GPSD and fakegps

I wonder if someone can point me to where I am going wrong.

I have some GPS data that I would like to replay through GPSd - and "watch" the yacht move.

I found a thread with someone's GPS track crossing a Bay in the Pacific North West (on this forum) and typed the following commands into Ubunutu 10.10

1)
Kill Gpsd

2)
gpsfake -D 2 -v victoriagps.txt

I then seen what looks to be sensible data.... from fakegps....

i.e

Processing victoriagps.txt
gpsd: launching (Version 2.94)
gpsd: listening on port 2947
gpsd: running with effective group ID 1000
gpsd: running with effective user ID 1000
gpsd: control socket connect on fd 7
gpsd: <= control(7): adding /dev/pts/1
gpsd: stashing device /dev/pts/1 at slot 0

3) Fire up openCpn - set GPS Data to being Network GPSD
And Press OK.

Nothing !!!! FakeGps loops around.

4) Lets use another GPS utility to see if the fakecps is giving me any data

telnet 127.0.0.1 2947

Here you will be greeted by something like......

{"class":"VERSION","release":"2.93","rev":"2010-03-30T12:18:17",
"proto_major":3,"proto_minor":2}

just type (or paste back)
?WATCH={"enable":true,"json":true}

And Sensible GPS Data does appear to be coming from Port 2947 (Default gpsd port).


So at the moment I am

gpsmon will not work - command I am trying to use is

gpsmon 127.0.0.1:2947


So where am I going wrong ?

Much appreciated

Tim
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Old 24-04-2011, 05:18   #2
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Join Date: Apr 2006
Location: Muscat, Oman
Boat: Roberts, C45 Spray - EDM
Posts: 80
Re: OpenCpn and GPSD and fakegps

Duh.....

Ok STOP THE FIRE-Engine......

From my initial posting....

gpsd: stashing device /dev/pts/1 at slot 0

if you enter the gps-source as /dev/pts/1 - I am indeed on a ferry going across Straight on Juan De Fuca - in BC/Vancouver.



Ok.... now I will carry on writing my AIS-Simulator :-)
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