[linux-dvb] Artec T1 -> Tuning failed : a suggestion

Alessandro Fiorino a.fiorino at chibacity.it
Sat Jun 10 12:50:23 CEST 2006


I've had the same problem, there is a bug in the driver which has to
be modified as described in
http://www.linuxtv.org/pipermail/linux-dvb/2005-October/005612.html
I've already wrote to this list suggesting to incorporate the patch in
the official source, I don't know why it has not been accepted.

2006/6/10, Alan <alan.crevon at wanadoo.fr>:
> Hi
>
> Ok, i tried this, and it didn't work.
>
> feinfo informed me my frequency stepsize was 62.500 so i generated a list
> of frequencies to scan, using the first line of fr-Rouen (i assumed the
> only wrong parameter was the frequency) from the lowest frequency my card
> could scan to the highest one, using 62.500 steps... 10 hours latter, i
> didn't get anything. :(
>
> My dear friends who have the same problem with this bloody Artec T1, don't
> waste your time with that.
>
> I've been told on irc that there must be somthing wrong in the source
> code, something related to pll, maybe, but i don't know anything about
> coding, so i can't do anything myself...
>
> So far, i didn't do anything usefull and i don't see what more i can do to
> be able to tune channels... That means that until one of you guys find a
> way to correct this error, my card is useless... I hope someone will make
> it, i give up.
>
> Good luck gentlemen, and once again, thanks for all your hard work.
>
> alan.
>
>
>
>
> On Fri, 09 Jun 2006 12:42:00 +0300, Alan <alan.crevon at wanadoo.fr> wrote:
>
> > hi all
> >
> > i am trying to scan for dvb-t channels with this blody Artec T1 with no
> > luck (the error message at the bottom of this mail) and googling around,
> > i found i was not the only one with this problem, and many cinergyT2
> > users had this very problem. It has been solved for them using a simple
> > trick.
> >
> > In cynergy2t.c, someone noticed this :
> >
> > .frequency_min = 174000000,
> > .frequency_max = 862000000,
> > .frequency_stepsize = 166667,
> >
> > He rounded the stepsize to 167000, and added 167000 to each frequency to
> > scan. (I.e. : in fr-Rouen, "T 538000000 8MHz 2/3 NONE QAM64 8k 1/32
> > NONE" became " T 538167000 8MHz 2/3 NONE QAM64 8k 1/32 NONE ") and then
> > scanning worked just fine.
> >
> > Of course, i tried the same trick, and of course it didn't work. I am
> > not a developper AT ALL, i don't understand anything in technical
> > stuffs, but i think that, maybe, such a thing is also possible with my
> > device. The point is : where is the equivalent to the frequency_stepsize
> > value for my device  (dmesg output at the end of the mail)?
> >
> > Best regards
> >
> > alan.
>
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