[linux-dvb] How to get 2 TT3650-CI working

[linux-dvb] How to get 2 TT3650-CI working

[laasa]

First of all thanks to Dominik and Manu for the great work.

I want to get working two connected TT3650-CI. Under WinXP it will be 
running without problems on the same hardware, so the USB-ports should 
not be the problem.

Unter Linux with one connected TT3650 all is working succesfully. But 
with 2 connected TT3650 there are artefakts and dropouts on both cards 
after some seconds.
 I have try it under following conditions:

    * Ubuntu 7.10 and Ubuntu 8.04
    * actual multiproto-repository: http://jusst.de/hg/multiproto
    * patch from dominik:
      http://www.linuxtv.org/pipermail/linux-dvb/attachments/20080606/cc54743f/attachment-0001.obj
    * special in line 1075 of modul pctv452e.c to get TT3650-CI work
      (set num_device_descs *= 2*, otherwise only TT3600 works).
    * a special patched MythTV 0.21 (wich works with 2 TT3200 succesfully)

I do my tests with mythTV on 2 different PCs with the same result. One 
one PC the cards running under WinXP without any problems.

Does anybody have an idea?

Thanks in advance,
Laasa.




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[linux-dvb] Re : How to get 2 TT3650-CI working

[manu]

Le 06.07.2008 09:06:37, laasa a écrit :
> First of all thanks to Dominik and Manu for the great work.
> 
> I want to get working two connected TT3650-CI. Under WinXP it will be 
> running without problems on the same hardware, so the USB-ports 
> should
> 
> not be the problem.
> 
> Unter Linux with one connected TT3650 all is working succesfully. But 
> with 2 connected TT3650 there are artefakts and dropouts on both 
> cards
> 
> after some seconds.
>  I have try it under following conditions:
> 
>     * Ubuntu 7.10 and Ubuntu 8.04
>     * actual multiproto-repository: http://jusst.de/hg/multiproto
>     * patch from dominik:
>       http://www.linuxtv.org/pipermail/linux-dvb/
> attachments/20080606/cc54743f/attachment-0001.obj
>     * special in line 1075 of modul pctv452e.c to get TT3650-CI work
>       (set num_device_descs *= 2*, otherwise only TT3600 works).
>     * a special patched MythTV 0.21 (wich works with 2 TT3200
> succesfully)

Talking about the patch from dominik: is it normal that the registers 
settings are different than those from TT-3200 (in budget-ci.c)? I mean 
it is the same chips (stb0899/stb6100), so is it possible to use those 
settings directly with a TT 3200; I have reception problems for some 
transponders, and a lot of other users also, so if those settings are 
OK to try I guess that's something I am ready to do to improve things.
Also I saw that the patch touches stb0899/6100 files in the frontends 
dir, so my question: are these changes there to improve tuning also or 
just related to the support of the other cards?
Thx
Bye
Manu 


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