BS-11 PLL clock source / calibration

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Harald Welte laforge at gnumonks.org
Tue Apr 28 16:31:44 UTC 2009


On Fri, Apr 17, 2009 at 08:07:44PM +0200, Dieter Spaar wrote:

> > We could add this setting to the bs11_config program so people can try if
> > their E1 clock or their [10 years uncalibrated] BS11 internal oscillator is
> > better.
> 
> I did a quick test with this setting and it seems to work fine
> with the BS-11 (so we should not believe the documentation ;-).
> 
> Here is the LMT dump for the PLL Mode, it can be changed during
> normal operation:
> 
>   ; Locked
>   Tx D0A5070000FC0102
>   Rx D1A5070000FC0102
> 
>   ; Standalone
>   Tx D0A5070000FC0103
>   Rx D1A5070000FC0103

I have created a patch for bs11_config to emit those two messages. It's
attached to this mail, but I haven't had time to test it yet.

However, since it doesn't change any common code paths, I have committed it.
It would be great if somebody could do some testing if this actually works.

Regards,
-- 
- Harald Welte <laforge at gnumonks.org>           http://laforge.gnumonks.org/
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