[ gpsdrive ] Garmin usb18(oem) .. is it alive?

gpsdosm at trixtar.org gpsdosm at trixtar.org
Fri May 23 18:46:47 AKDT 2008


info at 4x4falcon.com wrote:
> Most of what you are trying relies on gpsd running.
> 
> So spend your time getting it working and then try the other programs.
> 
> Given that your gps is being recognised and connected as /dev/ttyUSB0
> 
>>From a command line enter:
> 
> sudo gpsd -N -D 6 /dev/ttyUSB0
> 
> This will keep gpsd in the foreground (ie not run as a daemon) and display
> lots of debug information.  CTRL-C will cancel this.
> 
> Assuming that the above recognises your gps try:
> 
> sudo gpsd /dev/ttyUSB0
> 
> this will start gpsd as a daemon and then you can try using gpspipe to see
> if you are getting information.
> 
> gpspipe -r
> 
> Will display the raw NMEA sentences.
> 
> This will show whether or not your gps is putting NMEA sentences out to
> the usb connection.  Also most gps's do not work inside buildings so I'm
> assuming you have the gps outside with a clear line of site to the sky.

Close to a window right now, where a Street-Pilot is 
outputting an accurate position.

> You then will need to setup gpsd to auto start on connection of your gps
> and/or when the computer boots.  Check http://gpsd.berlios.de/ for more
> info on this.
> 
> Regards
> Ross

Thanks, and apologies to the group. I didn't know a gpsd 
mail-list existed, I'm signed up now and will move related 
questions there.




# gpsd -N -D 6 /dev/ttyUSB0
gpsd: launching (Version 2.37)
gpsd: listening on port gpsd
gpsd: shmat(0,0,0) succeeded
gpsd: shmat(0,0,0) succeeded
gpsd: shmat(0,0,0) succeeded
gpsd: shmat(0,0,0) succeeded
gpsd: successfully connected to the DBUS system bus
gpsd: running with effective group ID 0
gpsd: running with effective user ID 0
gpsd: opening GPS data source at '/dev/ttyUSB0'
gpsd: speed 9600, 8N1
gpsd: => GPS: $PASHQ,RID*28\x0d

gpsd: Navcom: command dump: 0299661c0800040200001203
gpsd: => GPS: 0299661c0800040200001203
gpsd: Navcom: sent command 0x1c (Test Support Block)
gpsd: Navcom: command 0x1c mode = 02, length = 0
gpsd: Navcom: command dump: 029966200e000001ae02000071000000f203
gpsd: => GPS: 029966200e000001ae02000071000000f203
gpsd: Navcom: sent command 0x20 (Data Request) - data block 
id = ae at rate 00
gpsd: Navcom: command dump: 029966200e00000186020a0071000000d003
gpsd: => GPS: 029966200e00000186020a0071000000d003
gpsd: Navcom: sent command 0x20 (Data Request) - data block 
id = 86 at rate 0a
gpsd: Can't open /proc/bus/usb/devices
gpsd: Probing TrueNorth Compass
gpsd: hunting at speed 38400
gpsd: speed 38400, 8N1
gpsd: => GPS: $PASHQ,RID*28\x0d

gpsd: Navcom: command dump: 0299661c0800040200001203
gpsd: => GPS: 0299661c0800040200001203
gpsd: Navcom: sent command 0x1c (Test Support Block)
gpsd: Navcom: command 0x1c mode = 02, length = 0
gpsd: Navcom: command dump: 029966200e000001ae02000071000000f203
gpsd: => GPS: 029966200e000001ae02000071000000f203
gpsd: Navcom: sent command 0x20 (Data Request) - data block 
id = ae at rate 00
gpsd: Navcom: command dump: 029966200e00000186020a0071000000d003
gpsd: => GPS: 029966200e00000186020a0071000000d003
gpsd: Navcom: sent command 0x20 (Data Request) - data block 
id = 86 at rate 0a
gpsd: tnt_packet_sniff begins
gpsd: => GPS: @X?*67
gpsd: sleep(1)
gpsd: => GPS: @X?*67
gpsd: sleep(1)
...

# gpspipe -r
   stays quiet.



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