[linux-dvb] Australia and the DViCO Dual Digital 4

Peter Fern v4l at obfusc8.org
Thu Apr 26 14:17:01 CEST 2007


I currently have access to one of these cards in Melbourne for further 
testing, and can provide another file mirror if necessary.

Congrats on the work Roger.

ras243-dvb at yahoo.com wrote:
> Finally some promising news for Australian Dual Digital 4 users.
>
> Many, many hours later it turns out to be fairly simple and I don't think we
> need to touch anything other than the tuner but I'm sticking with my hacked
> code which spews out register values galore until it's confirmed.  It would
> have been nice to get my name in the source code again but I don't think it's
> warranted.
>
> Okay, I need some volunteers elsewhere in Australia to try something and I need
> a place to upload a 25 byte firmware file.  Any takers?  The 25 byte firmware
> file replaces the 7MHz file from the v3 firmware but only for AU users.
>
> There are still some tuning issues.  The frequency offset in the xc3028 file
> needs to be changed from 2750000 to 2250000 which will break it for the rest of
> the world using 7MHz bandwidth so again only AU users please.  Also this still
> doesn't quite map into the actual numbers we need to send to the tuner so
> you'll find anything below 190MHz may require you to increase the frequency by
> 100kHz or so to lock properly.
>
> Ideally I need 184.5MHz (channel 7) to map to 0x2D98 but instead it's 0x2D90.
> 212.5MHz (channel 10) goes to 0x3490 which is correct.  UHF frequencies may be
> right out and may even require different firmware but I now know what to look
> for so we can probably fix it.  Hobart digital TV is transmitted on channels
> 7,8,9A,10 and 11 so I'm somewhat limited in my sampling ability.
>
> After having my brain in gigabytes of log files, device driver code and the
> user manual for the CE6231 (similar to the ZL10353/CE6353 and VERY useful) for
> the past three days I think I'll take the rest of the evening off. :)
>
> Cheers,
> Roger.
>
> Send instant messages to your online friends http://au.messenger.yahoo.com 
>
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