Fwd: RTC

Andy Green andy at openmoko.com
Mon Jan 19 21:18:56 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| On Monday 19 January 2009 19:02:19 you wrote:
|  | 2009.01.17 16:42:25 otimed   INFO     adjusting clock by 1093.032441
|>> seconds
|> Is it possible it fails to set the hw / rtc clock?  It's suspicious the
|> adjustment it wants to make is always going up monotonically and jumps
|> according to elapsed time, it's as if it never manages to adjust it.
|> -Andy
| Oh of course. If I would allow hw clock to be adjusted, I wouldn't
have so
| easily visible results ;) This was done to show the cause of the problem.
| Sorry I should have said that in my first email.

Hum well I guess it is a software issue somewhere along the line.  In
the first interval I quoted the gained error is like 2% and in long
interval it is much less.

Unless it's wildly dependent on temperature an offset error in the
crystal oscillator would be more consistent you would think.

- -Andy
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