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