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How to get 2 TT3650-CI working

linux-dvb laasa 2 participants 2 messages Jul 6, 2008 Media (V4L/DVB)

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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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#1 lore raw

Le 06.07.2008 09:06:37, laasa a écrit :

Quoted 15 lines

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:

Quoted 9 lines

* 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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