[linux-dvb] Re: Full featured DVB-T card update

[Nils Ohlmeier <nils.ohlmeier@web.de>]

On Friday 08 August 2003 23:15, Juri Haberland wrote:
> Concerning the patch:
> We have now two out of four people with the ALPS tdlb7 having success
> with this patch (Ragnar and me). Edward seems to have a totally broken
> card and Nils status is unknown. Hopefully he will retest with a clean
> CVS checkout and the patch only.

Sorry, i wasnt aware that i should announce my vacation on this list too :-)

I just made a clean CVS checkout and applied Juergens patch. But without my 
own power patch, i only get a black screen and sometimes totaly scabled 
pictures and glitches from the sound. I recognized a difference between the 
tzap output with and without my own power patch:

Without power patch it looks like this:
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 506000000 Hz
status 01 | signal 3f3f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000005 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000002 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 |
status 1f | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 | FE_HAS_LOCK
status 17 | signal 4343 | snr 0000 | ber 00000005 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000005 | unc 00000000 | FE_HAS_LOCK
status 01 | signal 4343 | snr 0000 | ber 00000001 | unc 00000000 |
status 1f | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000009 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000061 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000065 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000010 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000002 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000006 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000002 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000006 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000001 | unc 00000000 | FE_HAS_LOCK
status 01 | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000006 | unc 00000000 |
status 17 | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 | FE_HAS_LOCK
status 17 | signal 4343 | snr 0000 | ber 00000006 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000056 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000002 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 | FE_HAS_LOCK
status 01 | signal 4343 | snr 0000 | ber 00000006 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 |
status 17 | signal 4343 | snr 0000 | ber 00000005 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 0000005c | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000002 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 | FE_HAS_LOCK
status 01 | signal 4343 | snr 0000 | ber 00000001 | unc 00000000 |
status 01 | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 |
status 17 | signal 4343 | snr 0000 | ber 00000005 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000056 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000003 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000004 | unc 00000000 | FE_HAS_LOCK

With my power patch it looks like this:
status 01 | signal 4b4b | snr 0000 | ber 00000000 | unc 00000000 |
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4242 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal 4343 | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK

As you can see without my power patch my frontend looses the lock, but i'm 
wondering more about the values at the 'ber' row. W/o my patch their are some 
numbers, w my patch it is always zero. What be ratio is it?

I'll try now with Juegens and my patch applied to the latest code from CVS for 
some time, to say something about firmware lockups.

Greetings
  Nils



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