GPS Sight - why doesn't it work?

Torfinn Ingolfsen tingox at gmail.com
Mon Apr 7 22:44:07 CEST 2008


Hello,

I have installed GPS Sight 0.0.3 even if the package claim it is version 0.1:
root at om-gta01:~# opkg install
http://projects.openmoko.org/frs/download.php/150/gpssight_0_0_3.armv4t.ipk
Downloading http://projects.openmoko.org/frs/download.php/150/gpssight_0_0_3.armv4t.ipk
100% |========================================================================|
Installing gpssight (0.1) to root...
Configuring gpssight

This reads from /tmp/nmeaNP, right?
According to lsof it does:
root at om-gta01:~# lsof /tmp/nmeaNP
COMMAND    PID   USER   FD   TYPE DEVICE SIZE NODE NAME
gpsd      1287 nobody    7u  FIFO   0,14      2797 /var/volatile/tmp/nmeaNP
ld-linux. 1300   root   16w  FIFO   0,14      2797 /var/volatile/tmp/nmeaNP
gpv       2222   root    5u  FIFO   0,14      2797 /var/volatile/tmp/nmeaNP

If I do 'cat /tmp/nmeaNP, I get this:
root at om-gta01:~# cat /tmp/nmeaNP
$GPGGA,200855.54,,,,,00,00,3.0,,M,0.0001999,M,0.0090599,*5A
$GPRMC,200855.54,V,,,,,,,070408,,,N*7D
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
,,,,,,,,,,,6.7,3.0,6.0*34
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
$GPGGA,200911.59,,,,,00,00,3.0,,M,0.0001999,M,0.0090599,*56
$GPRMC,200911.59,V,,,,,,,070408,,,N*71
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
,,,,,,,,,,,6.7,3.0,6.0*34
$GPRMC,200914.61,V,,,,,,,070408,,,N*7F
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
$GPGGA,200915.50,,,,,00,00,3.0,,M,0.0001999,M,0.0090599,*5B
$GPRMC,200915.50,V,,,,,,,070408,,,N*7C
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
,,,,,,,,,,,6.7,3.0,6.0*34
$GPGGA,200926.55,,,,,00,00,3.0,,M,0.0001999,M,0.0090599,*5E
$GPRMC,200926.55,V,,,,,,,070408,,,N*79
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34
$GPGGA,200931.51,,,,,00,00,3.0,,M,0.0001999,M,0.0090599,*5C
$GPRMC,200931.51,V,,,,,,,070408,,,N*7B
$GPGSA,A,1,,,,,,,,,,,,,6.7,3.0,6.0*34

So the GPS is working, right?
(Even if it doesn't get a fix - my apartment is indoors).
I am using the /home/root/gllin/gllin script from the tangoGPS web
page to start gpsd and gllin.

However, GPS Sight claims that it has 0 (zero) satellites, and display
"nan" (Not A Number?) for lat, long, alt and speed values.
Why does it do that?

One more thing: my Neo doesn't have a SIM card yet, but  that
shouldn't mean anything for gps testing, right?
It has network connectivity via usb
-- 
Regards,
Torfinn Ingolfsen



More information about the device-owners mailing list