[linux-dvb] ANYONE?? 682Mhz problem with TT-1501 driver in v4l-dvb

Simon Baxter linuxtv at nzbaxters.com
Wed Jul 23 12:53:27 CEST 2008


Can anyone help??


> Hi - please help!!!!
>
> I have patched the v4l-dvb driver with Sigmund Augdal's changes to support
> C-1501.  I can't get channels to work on all but one frequency - 682Mhz.
> Frequencies which work:  578, 586, 594, 602, 610, 626, 634, 642, 666, 674
> Mhz.
>
> I have some channels at 674Mhz and at 682Mhz.  My initial is:
> # Initial Testing
> # freq sr fec mod
> # freq sr fec mod
> C 674000000 6900000 AUTO QAM64
> C 682000000 6900000 AUTO QAM64
>
>
> Scanning gives me:
> ./scan -A 2 test_initial
> initial transponder 674000000 6900000 9 3
> initial transponder 682000000 6900000 9 3
>>>> tune to: 674000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64
> 0x0000 0x0321: pmt_pid 0x0029 T -- Sky Movies (running, scrambled)
> 0x0000 0x0322: pmt_pid 0x002a T -- Sky Movies Greats (running, scrambled)
> 0x0000 0x0323: pmt_pid 0x002b T -- Trackside (running, scrambled)
>>>> tune to: 682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64
> WARNING: filter timeout pid 0x0011
> WARNING: filter timeout pid 0x0030
> WARNING: filter timeout pid 0x002d
> WARNING: filter timeout pid 0x0029
> WARNING: filter timeout pid 0x002f
> WARNING: filter timeout pid 0x002a
>
> -------------->>  What does this pid timeout mean??
>
>
>
> I end up with channels:
>
> Living
> Channel:674000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:1309:1409:809
> UKTV:674000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:1310:1410:810
> The Cheese:674000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:1420:820
> [0385]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:0:901
> [0386]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:0:902
> [0387]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:1303:1403:903
> [0388]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:0:904
> [0389]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:0:905
>
>
> -------------->>  Has picked up the pids, but missing information??
>
>
>
> When I try and czap them, I get:
>
> [root at freddy scan]# czap -c ~/.channels.conf.tmp TV3
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> reading channels from file '/root/.channels.conf.tmp'
>  2 TV3:578000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:1303:1403:1003
>  2 TV3: f 578000000, s 6900000, i 2, fec 9, qam 3, v 0x517, a 0x57b
> status 00 | signal 9090 | snr b9b9 | ber 000fffff | unc 00000032 |
> status 1f | signal e1e1 | snr f2f2 | ber 000005e8 | unc 000001ec |
> FE_HAS_LOCK
> status 1f | signal e1e1 | snr f2f2 | ber 00000000 | unc 00000000 |
> FE_HAS_LOCK
> status 1f | signal e1e1 | snr f2f2 | ber 00000000 | unc 00000000 |
> FE_HAS_LOCK
> status 1f | signal e1e1 | snr f3f3 | ber 00000000 | unc 00000000 |
> FE_HAS_LOCK
> status 1f | signal e1e1 | snr f2f2 | ber 00000000 | unc 00000000 |
> FE_HAS_LOCK
>
>
> but with 682Mhz, I get a lock but loads of errors:
>
> [root at freddy scan]# czap -c ~/.channels.conf.tmp [0385]
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> reading channels from file '/root/.channels.conf.tmp'
>  1 [0385]:682000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_64:0:0:901
>  1 [0385]: f 682000000, s 6900000, i 2, fec 9, qam 3, v 0, a 0
> status 03 | signal 8f8f | snr b9b9 | ber 000fffff | unc 00000032 |
> status 1f | signal cfcf | snr dcdc | ber 000005e8 | unc 000061a7 |
> FE_HAS_LOCK
> status 1f | signal cfcf | snr dcdc | ber 000005e8 | unc 000061e8 |
> FE_HAS_LOCK
> status 1f | signal cfcf | snr dede | ber 000006c0 | unc 00006234 |
> FE_HAS_LOCK
> status 1f | signal cfcf | snr e0e0 | ber 000006a9 | unc 0000627f |
> FE_HAS_LOCK
> status 1f | signal cfcf | snr dbdb | ber 000006a5 | unc 000062b6 |
> FE_HAS_LOCK
>
>
>
> Any ideas???
>


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