GPS stopped working, can't figure it out... what else?

Yaroslav Halchenko site-openmoko.org at onerussian.com
Sat Jul 10 18:07:31 CEST 2010


thanks everyone -- I will check it out although I am a bit confused
since 
* originally GPS worked for me without AGPS at all, just TTFF was around
  2 min
* I thought AGPS feeding chip with previous locations was already
  implemented and that is why there is a button to remove AGPS data
  if you rellocate (used it few times, and then again acquired time/fix
  within few minutes)
now I am experiencing now fixation (or even time acquisition) at all,
which sounds somewhat different... but ok -- I guess I better check
first what effect I would get with "online assistance".

On Sat, 10 Jul 2010, Ian Darwin wrote:

> > I got me a password from u-blox.com and use the script from this page:
> > http://wiki.openmoko.org/wiki/Neo_FreeRunner_GPS#GTA02_GPS_Hardware_Assist_Feature
> > (the python one). I set the values for lat and lon to known values
> > (for me lat=52.375756;lon=13.651114;) and feed the output into
> > /dev/ttySAC1 -  this speeds up finding satellites alot.

> This is an important action if you're using the GPS. The wiki discussion 
> cited above could use
> some cleanup but the information you need is there. Anyone using a FR 
> device and wanting
> to use the GPS should be using this. There's even a version for Android 
> On OM at
> http://androidgps.blogspot.com/2009/02/priming-openmoko-u-blox-gps-chip.html
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