[linux-dvb] Re: DST & Twinhan-Card

["Stefan Schenk" <steffx@pfroen.de>]

-----Ursprüngliche Nachricht-----
Von: Stefan Schenk [mailto:steffx@pfroen.de] 
Gesendet: Mittwoch, 17. November 2004 11:36
An: 'linux-dvb@linuxtv.org'
Betreff: WG: [linux-dvb] Re: DST & Twinhan-Card



Hi Manu,

    this is the output of tzap :

--------------------------
moviestar:/lab/driver/linuxtv-dvb-apps-1.1.0/util/szap # ./tzap -c
./channels.conf -a 2 ProSieben using '/dev/dvb/adapter2/frontend0' and
'/dev/dvb/adapter2/demux0' tuning to 546000000 Hz video pid 0x0131,
audio pid 0x0132 status 00 | signal 0000 | snr 0000 | ber 00000004 | unc
00000000 | status 1f | signal 4c00 | snr 2700 | ber 00000004 | unc
00000000 | FE_HAS_LOCK status 1f | signal 4c00 | snr 0900 | ber 00000004
| unc 00000000 | FE_HAS_LOCK status 1f | signal 4c00 | snr 0900 | ber
00000004 | unc 00000000 | FE_HAS_LOCK status 1f | signal 4c00 | snr 2600
| ber 00000004 | unc 00000000 | FE_HAS_LOCK status 1f | signal 4c00 |
snr 0900 | ber 00000004 | unc 00000000 | FE_HAS_LOCK status 1f | signal
4c00 | snr 5a00 | ber 00000004 | unc 00000000 | FE_HAS_LOCK status 1f |
signal 4c00 | snr 5a00 | ber 00000004 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4c00 | snr 0500 | ber 00000004 | unc 00000000 |
FE_HAS_LOCK status 1f | signal 4c00 | snr 1100 | ber 00000004 | unc
00000000 | FE_HAS_LOCK status 1f | signal 4c00 | snr 0000 | ber 00000004
| unc 00000000 | FE_HAS_LOCK status 1f | signal 4c00 | snr 0000 | ber
00000004 | unc 00000000 | FE_HAS_LOCK ...
------------------------------

Hope that helps

Stefan



> -----Ursprüngliche Nachricht-----
> Von: linux-dvb-bounce@linuxtv.org 
> [mailto:linux-dvb-bounce@linuxtv.org] Im Auftrag von Manu Abraham
> Gesendet: Mittwoch, 17. November 2004 07:19
> An: linux-dvb@linuxtv.org
> Betreff: [linux-dvb] Re: DST & Twinhan-Card
> 
> 
> On Wed November 17 2004 8:47 am, Craig Read wrote:
> > Stefan Schenk wrote:
> > >This might be also of interest for the list
> > >
> > >I was playing around with the values Jamie was talking about ... 
> > >without success. There must be some other differences
> between DVB-T
> > >in Australia and Germany ....
> > >
> > >Stefan
> > >
> > >-----Ursprüngliche Nachricht-----
> > >Von: Jamie Honan [mailto:jhonan@optushome.com.au]
> > >Gesendet: Sonntag, 14. November 2004 23:38
> > >An: Stefan Schenk
> > >Betreff: Re: DST & Twinhan-Card
> > >
> > >On Sun, Nov 14, 2004 at 12:14:37PM +0100, Stefan Schenk wrote:
> > >>Hello Jamie,
> > >>
> > >>
> > >>   as i saw on the dvb-mailing-list you did a lot of great work, 
> > >>making the Twinhan-cards working under linux. I have a
> very strange
> > >>problem here. I use a DVB-T card from the german company
> HAMA which
> > >>is
> > >>
> > >>
> > >>said to be a 100% clone of Twinhans VisionDTV. I can load the 
> > >>drivers and everything looks perfect. The problem is,
> that i get a
> > >>very bad signal in (vdr's femon-plugin shows someting between 15% 
> > >>and 30%) and therefore the picture is very very bad. When i start 
> > >>the card with the same antenna in the same room under
> windows i get
> > >>a full signal and a perfect picture.
> > >>
> > >>Do you have any idee whats wrong with my system or my card ?
> > >>
> > >>Thanks a lot
> >
> > I have exactly the same problem on my Twinhan VisionDTV here in 
> > Australia.  The MythTV setup program reports ~23% signal
> strength, I
> > get 2/5 channels ok (ABC and SBS), but everything else is totally 
> > unwatchable.  The same card works reasonably under Windoze (>80% 
> > signal
> The signal strength indicator is just a gimmick, it has nothing to do 
> with the actual signal strength, i believe.
> 
> What are the values you see when you *zap ?
> 
> Manu
> > strength, HDTV is unwatchable and channel 10 gets a glitch every 
> > minute or so).  This is running under Knoppmyth with the
> 2.4 kernel.
> > I also have a Teac STB which works well on all channels (but not 
> > enough singnal for HDTV).  I'm about to try loading Suse 9.1 on a 
> > fresh drive with 2.4 kernel and a fresh CVS checkout of the dvb 
> > drivers.  If that doesn't work, I'll sell the Twinhan card
> on ebay and
> > buy a DVico FusionHDTV (unless somebody suggests a better
> DVB-T card).
> >
> > >Hmm. Everything looks good as far as module loading goes.
> > >
> > >I guess there's a lot more undocumented registers etc.
> > >
> > >One thing you could try, the guy who got it going was in
> Australia,
> > >which has 7Mhz bandwidth. You are either 8 or 6. Most apps try 
> > >BANDWIDTH_AUTO, which I notice sets 7 MHz.
> > >
> > >You could try playing round with this in the code.
> > >I haven't a copy of the latest versions but look for code
> like this:
> > >
> > >                case BANDWIDTH_6_MHZ:
> > >                        val[6] = 6;
> > >                        break;
> > >
> > >
> > >                case BANDWIDTH_7_MHZ:
> > >                case BANDWIDTH_AUTO:
> > >                        val[6] = 7;
> > >                        break;
> > >
> > >
> > >                case BANDWIDTH_8_MHZ:
> > >                        val[6] = 8;
> > >                        break;
> > >
> > >and try moving BANDWIDTH_AUTO to 8Mhz.
> > >(actually I see two spots)
> > >
> > >You might also try 0 for Auto and see what happens.
> > >
> > >Let me or the list know.
> > >Jamie
> 
> 
>