On Thu, Mar 13, 2008 at 8:09 AM,  <[EMAIL PROTECTED]> wrote:
>
> Jarryd Beck wrote:
>  > On Thu, Mar 13, 2008 at 7:54 AM, Michael Krufky <[EMAIL PROTECTED]>
>  wrote:
>  >
>  >> On Wed, Mar 12, 2008 at 4:36 PM, Jarryd Beck <[EMAIL PROTECTED]>
>  wrote:
>  >>  >
>  >>  > >  >>
>  >>  >  >  >> Jarryd,
>  >>  >  >  >>
>  >>  >  >  >> I've analyzed the snoop that you've taken of the windows
>  driver, and I
>  >>  >  >  >> conclude that the driver is basically doing exactly the same
>  that the
>  >>  >  >  >> linux driver would do.  The only thing that I cannot verify is
>  whether
>  >>  >  >  >> or not the tda18211 uses the same table values as the
>  tda18271c1.
>  >>  >  >  >> Based on the traffic in your snoop, it looks like the exact
>  same
>  >>  >  >  >> algorithm is used, but based on a new set of tables -- I will
>  not be
>  >>  >  >  >> able to confirm that without a tda18211 datasheet.  The only
>  thing
>  >>  >  >  >> that you can do is try the tda18271 driver and hopefully it
>  will work.
>  >>  >  >  >>
>  >>  >  >  >> Have you tried to tune yet?  There is a space in your
>  channels.conf,
>  >>  >  >  >> "7 Digital" -- you may want to change that to something like,
>  >>  >  >  >> "7Digital" so that command line applications will work.
>  >>  >  >  >>
>  >>  >  >
>  >>  >  >
>  >>  >  >
>  >>  >  > Antti Palosaari wrote:
>  >>  >  >  > hello
>  >>  >  >  > I looked sniffs and find correct demodulator initialization
>  values for
>  >>  >  >  > this NXP tuner. Copy & paste correct table from attached file
>  and try.
>  >>  >  >  > Hopefully it works. I compared your sniff to mt2060 and qt1010
>  based
>  >>  >  >  > devices and there was still some minor differences to check.
>  >>  >  >  >
>  >>  >  >  > regards,
>  >>  >  >  > Antti
>  >>  >  >  >
>  >>  >  >
>  >>  >  >  Antti,
>  >>  >  >
>  >>  >  >  Please remember not to top-post.
>  >>  >  >
>  >>  >  >  Jarryd,
>  >>  >  >
>  >>  >  >  I have done further analysis on the snoop logs.  Not only is the
>  driver
>  >>  >  >  using the same protocol as the tda18271 linux driver, it also
>  seems to
>  >>  >  >  use the same table values as used with the tda18271c1 -- The linux
>  >>  >  >  driver should work on your tuner without any modification at all.
>  >>  >  >
>  >>  >  >  Regards,
>  >>  >  >
>  >>  >  >  Mike
>  >>  >  >
>  >>  >
>  >>  >  I've got another tuner which works, so I know I'm tuning correctly,
>  it just
>  >>  >  doesn't actually tune. I tried with mplayer, it just sat there saying
>  >>  >  dvb_tune Freq: 219500000 and did nothing. It also made my whole
>  >>  >  computer go really slow, I don't know what it was actually doing.
>  >>  >
>  >>  >  Antti, as I said I've never done anything like this before so I have
>  no
>  >>  >  idea what I'm doing, so I have no idea where to paste which table.
>  >>
>  >>  Please try using tzap.  This will show you FE status once every
>  >>  second.  Let it run for a whole minute -- maybe there is some noise
>  >>  that may cause it to take a longer time to lock (if that's the case,
>  >>  then there are some tweaks that we can do.)  Show us the femon output
>  >>  produced by running tzap.
>  >>
>  >>  -Mike
>  >>
>  >>
>  >
>  > $ tzap -a 2 "TEN Digital"
>  > using '/dev/dvb/adapter2/frontend0' and '/dev/dvb/adapter2/demux0'
>  > tuning to 219500000 Hz
>  > video pid 0x0200, audio pid 0x028a
>  > status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  >
>  > $ femon -a 2
>  > using '/dev/dvb/adapter2/frontend0'
>  > FE: Afatech AF9013 DVB-T (TERRESTRIAL)
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 00 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  > status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
>  >
>  > The status 00 lines were from before I started tzap, after I started tzap
>  > it did nothing for half a minute, then printed the status 01 line, then
>  > sat there for another half a minute, and I killed it at that point.
>  > My computer was also taking quite a few seconds to respond to
>  > me pressing the keyboard for the whole time I was tuning it.
>  >
>  > Jarryd.
>  >
>  What shows in dmesg during the above?
>
>  -Mike
>

nothing new

Jarryd.

_______________________________________________
linux-dvb mailing list
linux-dvb@linuxtv.org
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

Reply via email to