[linux-dvb] Re: Missing frontend for Lorenzen LS DVB-T

["Robert Schlabbach" <robert_s@gmx.net>]

From: "Jens Herrmann" <jens1975herrmann@web.de>
> I recently bought a Lorenzen SL DVB-T pci card for my computer.

So have I :-)

> What do you think? May I soon watch television instead of working?

The problem is that the register-level documentation on the frontend
chipset (Philips TDM1316L and TDA10045H) appears to be impossible to come
by. I have even dug up two "data sheets" from a russian website on the
TDA10045 and the VES9600, the two predecessors of the TDA10045H, but none
contains any programming information :(

Having said that, I was able to make the frontend work in my own (Windows
BDA) driver, by reverse engineering the Windows driver. I am not fully
happy with this solution, because I'd prefer to know what all these
register settings mean, but at least it works for the time being. The only
thing I haven't been able to figure out is how to read and interprete the
signal statistics (signal strength, signal quality, BER, etc) correctly,
and I doubt I can do that without proper documentation.

While I am not a Linux programmer, I'll happily share my knowledge on how
to make this frontend work with anyone who is willing to start a
corresponding Linux module.

Of course, if anyone has good contacts to Philips or any OEM who might have
the complete programming information on the TDA10045H, and maybe on the
TDM1316L as well, please get me these documents, I'd appreciate that very
much!

Regards,
--
Robert Schlabbach
e-mail: robert_s@gmx.net
Berlin, Germany




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