[linux-dvb] Re: VHF on Nova-T?

[Holger Waechtler <holger@convergence.de>]

Bernd Bernie Meyer wrote:
> Being stuck Down-Under (Australia), the vibrant digital TV world of
> Europe, and particularly its linux support, used to be something to look 
> at enviously....
>
> Until today, it was my understanding that the Nova-T (aka the
> TechnoTrend DVB-T Budget) can only tune UHF channels, and that thus
> it is pretty much useless for us antipodeans. But then Google alerted
> me to this URL:
>
>     http://www.technotrend.de/download/Readme_budget.txt
>
> which, in between lots of other text, says
>
>        New in version 1.48
>        -----------------------------
>       
>       - support FE SU 1278 (DVB-S)
> -->   - support FE TDA 10045 (DVB-T UHF/VHF)
> -->   - channel search for VHF/UHF (DVB-T)
>       - new TT-AX secures the application of Intervideo-codecs
>       - improvement tele-text (search + save all sites)
>       - Data-application for cables improves
>
> The marked lines seem to indicate that the TT DVB-T Budget card can now
> receive VHF --- which would be GREAT news.
>
> So... am I misinterpreting? Or is this a new tuner (Or frontend? What
> does "FE" stand for?)? And if so, would it be supported by the linux
> driver?
>
> I just downloaded the latest CVS driver from linuxtv.org, and can't
> find any mention of the TDA 10045 in there. *sigh*
The TDA10045 is not yet supported by our driver, just because nobody 
owns such a card and started to develop this frontend driver.

I could not find a register level documenatation on 
http://www.semiconductors.philips.com/pip/TDA10045H_2.html, so you will 
have to contact them directly for this documentation and/or some sample 
code.

The Block diagram shows an onchip DSP, so you need probably some 
additional microcode.

Another way to achieve the required information is disassembling the 
windows driver.


> I would love to buy one of those cards, but I'd feel better about it
> if I knew I could actually watch more than one channel with it :)
If you feel confident to develop the driver then you could buy it. 
Otherwise you might want to wait.

Holger



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