[linux-dvb] MegaSky 5580 (0x5581) tuning Austria

Markus Rechberger mrechberger at gmail.com
Wed Jun 13 11:11:28 CEST 2007


On 6/13/07, Erich N. Pekarek <epek at gmx.net> wrote:
> Hello,
>
> having read various tutorials, having tried various repositories including
> v4l-dvb-experimental from mcentral.de, v4l-dvb-test and the regular v4l-dvb,
> having installed rc4 of 2.4.22 kernel, while trying to follow the rules of
> clean install and reboot, I have to admit, that tuning to 794Mhz for the
> Austrian MUX-A seems to be impossible with linux (feisty). The same device
> works without problems with a medium to strong signal on XP.
>
> Current status: i seem to tune, but no SNR-Level seems sufficient for a
> lock.
>
> here is my lsusb: Bus 001 Device 004: ID 0db0:5581 Micro Star International
> dmesg is identical to most other postings - ZL10353, QT1010 and GL861 are
> being detected on "... 55801 USB 2.0...", no firmware upload takes place.
> Setting an additional   zl10353_single_write(fe, 0x5A, 0x0C);
> as described on
> http://linuxtv.org/pipermail/linux-dvb/2007-January/015518.html
> shows no effort.
> ---
> #dvbtune -f 794
> Using DVB card "Zarlink ZL10353 DVB-T"tuning DVB-T (in United Kingdom) to
> 794000 Hz
> polling....
> Getting frontend event
> FE_STATUS:
> polling....
> polling....
>
> ---
> kaffeine shows some signal, two of 99%, SNR reaches 12% once (on the wrong
> frequency?) and won´t lock on to it.
>
> ---
> channels.conf copied:
> ORF1:794000000:I999B8C999D999M16T8G4Y0:T:27500:1010:1011,1012;1013:1015:0:10101:
> 8232:100:0
> ---
> mplayer:
> ...
>
> Playing dvb://ORF1.
> dvb_tune Freq: 794000
> Not able to lock to the signal on the given frequency, timeout: 30
> dvb_tune, TUNING FAILED
> ERROR, COULDN'T SET CHANNEL  0: Failed to open dvb://ORF1.
>
>
> Exiting... (End of file)
> ---
> I cannot identify the problem without help. Would someone please assist me
> in tracking down and solving the error?
>
Someone who owns that device maybe can help you to get further with it.

> I´ve already returned a WinTV HVR-900 to my dealer, because of the missing
> micronas support in the newest revision and get starting depressed :-(

The Micronas drx3975d will be supported soon I already received some
specs and sample sourcecode.

cheers,
Markus
>
> So long and thanks for all the ... help
>
> Kind regards
> Erich
>
> P.s: dmesg output will follow after another kernel has been compiled. Which
> other log files would you like to see?
>
> --
> Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen!
> Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer
>
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>


-- 
Markus Rechberger



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