Warranty after fix for GTA02 GPS rework for SD card interference issue

Andy Green andy at openmoko.com
Wed Jul 30 14:01:54 CEST 2008


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Somebody in the thread at some point said:

| Just sayin', not trying to stir the pot.  I've been testing this GPS
| fix every day since it arrived, by tracking my progress to work, and
| if I zoom too closely (meaning there is more SD I/O on map refreshes)
| the GPS goes wild.
|
|> That'll be interesting.  But in the real world many thing perturb GPS
|> tracking and sophisticated software filters are anyway used to try to
|> see through excursions, I guess this will be the case for typical SD
|> Card usage pattern here.
|
| My ride to and from work is through a wide open space with no
| obstructions, lots of blue sky, and for sure .. SD I/O still massively
| impacts GPS *accuracy*.  Not just in the acquisition phase, but also
| tracking ..

We're not done with what we can do to mitigate it in software.  These
guys should be in tomorrow's kernel.

http://git.openmoko.org/?p=kernel.git;a=commitdiff;h=00e20ff234e6d35a6df7e86c043fdda7da06bf04
http://git.openmoko.org/?p=kernel.git;a=commitdiff;h=792fb6dd55c282de25005a1399ffaa084ece4b1c
http://git.openmoko.org/?p=kernel.git;a=commitdiff;h=6d8e14dc4253f3921aff1bbbeb3caf073aa6a7b2
http://git.openmoko.org/?p=kernel.git;a=commitdiff;h=d4b28ec4e2818207cc0e48b90dbce581e0b779e7

- -Andy
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