[linux-dvb] QAM 256 starts kicking out VDR widespread TT/FuSi FF cards / on AGC, etc, IMPL and Filter Optimisation

Marco Skambraks marco at ammec.de
Thu Aug 3 00:40:30 CEST 2006


hi,

below you find the debug output

my tt 2.3 premium works with qam256 - so it should not be a cable or 
wallplug problem

marco

ves1820: Detected Chip Version 0x7a
ves1820: pwm=0x64
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x56 
ves1820: BER-RANGE 0 
 ves1820: Verbose Status: 
ves1820: VAFC -18 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x58 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xce 
ves1820: PWMREF 0x13 
ves1820: MSE 0x16 
ves1820: BER-RANGE 1 
ves1820: AFC (3) -20215Hz
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x16 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x16 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x17 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x15 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x17 
ves1820: BER-RANGE 1 
 ves1820: Verbose Status: 
ves1820: VAFC 3 
ves1820: VAGC 0xff 
ves1820: PWMREF 0x13 
ves1820: MSE 0x15 
ves1820: BER-RANGE 0 
On Wed, 2 Aug 2006, thomas schorpp wrote:

> Marco Skambraks wrote:
> > hi,
> > I tried your patch with TT dvb-c 2.1 premium and the latest firmware 2623
> > kernel 2.6.13 and almost the latest dvb/v4l drivers
> > my cable-provider is iesy (hessen)
> > frq = 121mhz qam256
> > for NTV and some of the other private-channels
> > the patch has no effect I've still several drop-outs
> > if I watch a channel with qam256 modulation
> > 
> > maybe I can support you with some debug output
> > just tell me which data is important to improve the qam256 support in
> > ves1820
> > 
> > marco
> > 
> > On Wed, 2 Aug 2006, thomas schorpp wrote:
> > 
> > 
> 
> patch is for developers and debugging only.
> but I am interested in Your syslog output like this:
> 
> Aug  2 21:49:00 tom1 kernel:  ves1820: Verbose Status:
> Aug  2 21:49:00 tom1 kernel: ves1820: VAFC -3
> Aug  2 21:49:00 tom1 kernel: ves1820: VAGC 0xff
> Aug  2 21:49:00 tom1 kernel: ves1820: AGCCONF 0x13
> Aug  2 21:49:00 tom1 kernel: ves1820: AGCREF 0x13
> Aug  2 21:49:00 tom1 kernel: ves1820: PWMREF 0x13
> Aug  2 21:49:00 tom1 kernel: ves1820: MSE 0x16
> Aug  2 21:49:00 tom1 kernel: ves1820: BER-RANGE 0
> 
> maybe youve got a old wallplug with ~120MHz trap...
> the qam256 problem is mainly frequency independend.
> 
> 
> > > patch contains correction for viterbi monitor flag, wrong SYNC
> > > register bit
> > > used before in ves1820.c(?).
> > > cant use hg head - doesnt build dvb-ttpci.ko dont know why, yet.
> > > 
> > > y
> > > tom
> > > 
> > > 
> > > <schorpp> lo
> > > <schorpp> I am on the qam256 problems with some FF cards dvb
> 
> _______________________________________________
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> linux-dvb at linuxtv.org
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> 

--------------------------------------------------
AMMEC - Accessible Multimedia Entertainment Center 

http://www.ammec.de
Email: Marco Skambraks <marco at ammec.de>



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