On Thu, Mar 13, 2008 at 8:09 AM, <mkrufky@xxxxxxxxxxx> wrote: > > Jarryd Beck wrote: > > On Thu, Mar 13, 2008 at 7:54 AM, Michael Krufky <mkrufky@xxxxxxxxxxx> > wrote: > > > >> On Wed, Mar 12, 2008 at 4:36 PM, Jarryd Beck <jarro.2783@xxxxxxxxx> > 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@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
