[linux-dvb] TT S2-3200 driver

Newsy Paper newspaperman_germany at yahoo.com
Thu Jul 24 12:06:39 CEST 2008


Any idea why there are still parts of stream lost on DVB-s2 transponders with SR 30000 7/8? Is it a problem of HW Pid filters or SW Pid filters?

kind regards

Newsy


--- Ales Jurik <ajurik at quick.cz> schrieb am Do, 17.7.2008:

> Von: Ales Jurik <ajurik at quick.cz>
> Betreff: [linux-dvb] TT S2-3200 driver
> An: linux-dvb at linuxtv.org
> Datum: Donnerstag, 17. Juli 2008, 0:23
> Hi,
> 
> please try attached patch. With this patch I'm able to
> get lock on channels 
> before it was impossible. But not at all problematic
> channels and the 
> reception is not without errors. Also it seems to me that
> channel switching is 
> quicklier.
> 
> Within investigating I've found some problems, I've
> tried to compare data with 
> data sent by BDA drivers under Windows (by monitoring i2c
> bus between stb0899 
> and stb6100):
> 
> - under Windows stb6100 reports not so wide bandwith.
> (23-31MHz, 21-22MHz and 
> so on).
> - under Windows the gain is set by 1 or 2 higher.
> 
> When setting those parameters constantly to values used
> under Windows nothing 
> change. So maybe some cooperation with stb0899 part of
> driver is necessary. 
> 
> Also it is interesting that clock speed of i2c bus is
> 278kHz, not 400kHz 
> (measured with digital oscilloscope). But this should not
> have any influence.
> 
> Maybe somebody will be so capable to continue?
> 
> BR,
> 
> Ales_______________________________________________
> linux-dvb mailing list
> linux-dvb at linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb


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