[linux-dvb] Re: ves1820 not tuning, but works OK in Windows :(

[Sergio Moreira <sergio.moreira@gmail.com>]

In the UK, cable networks usually use frequencies ending in xxx250 or
xxx750. Please try 411750 or 411250.


On Wed, 8 Dec 2004 11:06:08 +0000, Gavin Hamill <gdh@acentral.co.uk> wrote:
> On Wednesday 08 December 2004 08:11, jouni.karvo@tkk.fi wrote:
> > hello,
> >
> >
> > AFAIK the driver 1.1.0 did not tune ves1820 properly, 1.1.1 might
> > work.  I have not tried the latest CVS or 2.6.10-rc1.
> 
> No joy - I tried 1.1.1 in the build-2.4 dir, and also the '2004-11-17' DVB
> tarball from ftp.cadsoft.de/vdr/Developer which both loaded fine, but with
> the same lack of result:
> 
> telly:~# dvbtune -qam 64 -s 6952 -f 411
> Using DVB card "VES1820 based DVB-C frontend"
> tuning DVB-C to 411, srate=6952000
> 
> 
> polling....
> Getting frontend event
> FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER FE_HAS_VITERBI
> polling....
> Getting frontend event
> FE_STATUS:
> polling....
> Getting frontend event
> FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER FE_HAS_VITERBI
> 
> etc.
> 
> I am certain that I manually rmmod'ed all the DVB modules in between trying
> each driver version. I also know the FE_HAS_VITERBI is a red herring because
> of this code in ves1820.c:
> 
>                if (sync & 2)
>                        *status |= FE_HAS_SIGNAL;
> 
>                if (sync & 2)
>                        *status |= FE_HAS_CARRIER;
> 
>                if (sync & 2)           /* XXX FIXME! */
>                        *status |= FE_HAS_VITERBI;
> 
> so no wonder I get all three 'positive signs' :(
> 
> Where can I go from here? The card works in Windows, is there some way I can
> view the contents of the tuning registers inside Windows to aid the
> debugging?
> 
> Cheers,
> Gavin.
> 
>