[linux-dvb] Re: Driver problems

[Torbjörn Jansson <torbjorn.jansson@mbox200.swipnet.se>]

> > Do you have one of the cards where the PWM value stored in 
> the card's 
> > EEPROM needs to be overridden? I don't remember exactly for 
> > which cards 
> > this was required or improved things, maybe you want to check 
> > the mail 
> > archives or just try to override it using the 'pwm=' module 
> parameter 
> > for ves1820.o and optimize this value by trial'n'error...
> > 
> > Please check the mail archives for the background info.
> > 
> > Holger
> > 
> 
> In the syslog I get a line like: "DVB: VES1820(0): pwm=0x40"
> I'll have to try changing it.
> 
> If this works, maybe a few lines in some readme file coud be 
> added to the
> dvb drivers so that others that run into the same problem 
> atleast know what
> to try.
> 
> What does this pwm thing do?
> In the windows app the channel frequencies is for example 
> 322.012Mhz but on
> linux after running a scan it's 322Mhz. Coud this have 
> anything to do with
> it?
> 
> 

I have tried changing the pwm value and checked that it was used but it
didn't help.
The channel changing problems is still there.

First time I run czap I get this and bad reception:
---------------------
[szap]# ./czap DisMix
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
 42 DisMix:322000000:INVERSION_AUTO:6875000:FEC_NONE:QAM_64:4100:4356:1016
 42 DisMix: f 322000000, s 6875000, i 2, fec 0, qam 3, v 0x1004, a 0x1104
DVB: VES1820(0): AFC (-5) 33570Hz
status 1f | signal a5a5 | snr d7d7 | ber 00029220 | unc ffffffff |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00029220 | unc 0000000c |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00029220 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal ffff | snr f0f0 | ber 00084814 | unc 0000000c |
FE_HAS_LOCK
status 1f | signal ffff | snr f0f0 | ber 00084814 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal ffff | snr f0f0 | ber 00001c98 | unc 0000000c |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00001c98 | unc 00000036 |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00004e5c | unc 0000000c |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00004e5c | unc 0000001a |
FE_HAS_LOCK
status 1f | signal ffff | snr f0f0 | ber 00004e5c | unc 0000000d |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00003048 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00003048 | unc 0000001d |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00002986 | unc 00000000 |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 00002986 | unc 00000063 |
FE_HAS_LOCK
status 1f | signal ffff | snr eeee | ber 0000805c | unc 0000000e |
FE_HAS_LOCK
status 1f | signal ffff | snr f0f0 | ber 0000805c | unc 00000048 |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 0000805c | unc 0000000e |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 0000722e | unc 0000002b |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 0000722e | unc 0000002b |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 000060ea | unc 0000000d |
FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 000060ea | unc 00000019 |
FE_HAS_LOCK
---------------------

And then if I try to run czap again it doesn't lock and I get this:

---------------------
[szap]# ./czap DisMix
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
 42 DisMix:322000000:INVERSION_AUTO:6875000:FEC_NONE:QAM_64:4100:4356:1016
 42 DisMix: f 322000000, s 6875000, i 2, fec 0, qam 3, v 0x1004, a 0x1104
status 07 | signal 9b9b | snr d2d2 | ber 000041a0 | unc ffffffff |
status 07 | signal ffff | snr f0f0 | ber 000041a0 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 000041a0 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr f0f0 | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr f0f0 | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr f0f0 | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr f0f0 | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr efef | ber 009ffff6 | unc ffffffff |
---------------------



-- 
Info:
To unsubscribe send a mail to ecartis@linuxtv.org with "unsubscribe linux-dvb" as subject.