[linux-dvb] Re: DEC 2000-t troubles with 2.4 kernel

[Stefan Weidt <stefan@sweidt.force9.co.uk>]

Hello this sounds a lot like my first post. Basically the dec2000t driver doesn't support data sessions and the scan app doesn't work. All this means is you have to create a channels.conf manually, or use one for your area if you can find it. Its not as hard as it sounds. To save me repeating previous posts try looking at

http://www.linuxtv.org/mailinglists/linux-dvb/2003/12-2003/threads.html

where there are lots of posts on the dec2000t towards the bottom.

If still get stuck after looking through the achieves then ask.

Hope this helps,

Stefan

On Fri, 12 Dec 2003 11:08:53 +0000
Des Herriott <des.herriott@oracle.com> wrote:

> Hi,
> 
> I'm trying to get a DEC 2000-t working at the moment, and I think I'm 
> fairly close, but not quite...
> 
> I've built the CVS dvb-kernel drivers for 2.4.23 (using the build-2.4/ 
> directory), and ensured that ttusb_dec.c contains the dec2000t.bin firmware.
> 
> The device seems to be detected OK:
> 
> Dec 12 08:50:45 leia DVB: registering new adapter (DEC2000-t).
> Dec 12 08:50:45 leia DVB: registering frontend 0:0 
> (TechnoTrend/Hauppauge DEC2000-t Frontend)...
> 
> I'm confident that the firmware is being uploaded - when first plugged 
> in, the adapter resets once, and then not again until it's power-cycled.
> 
> I'm using the scan programs from the CVS CVB module - is that the right 
> version to use with the dvb-kernel drivers?
> 
> Also, can someone confirm just which modules need to be loaded?  At the 
> moment, I'm just doing "sh insmod.sh load", and also manually loading 
> ttusb_dec.o.  I'm sure that's overkill.
> 
> Anyway, when I attempt to scan, I get:
> 
> scanning dvb-t/uk-Hannington
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> Frontend can not do INVERSION_AUTO, trying INVERSION_OFF instead
> initial transponder 706000000 0 3 0 1 0 0 0
>  >>> tune to: 
> 706000000:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_NONE:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE
>  >>> tuning status == 0x1f
> start_filter:1083: ERROR: ioctl DMX_SET_FILTER failed: 22 Invalid argument
> start_filter:1083: ERROR: ioctl DMX_SET_FILTER failed: 22 Invalid argument
> WARNING: filter timeout pid 0x0000
> start_filter:1083: ERROR: ioctl DMX_SET_FILTER failed: 22 Invalid argument
> WARNING: filter timeout pid 0x0011
> WARNING: filter timeout pid 0x0010
> dumping lists (0 services)
> Done.
> 
> The "Invalid argument" error to DMX_SET_FILTER doesn't always occur - it 
> seems to be intermittent - but I always get the filter timeouts and 0 
> services found.  I know my signal's good, the box works fine under 
> Windows, using the Hannington transmitter.
> 
> Have I missed something basic here?  If needs be, I can load the driver 
> with debug and post some verbose logs...
> 
> -- 
> Des Herriott                         Senior Systems Support Consultant
> Oracle Corporation UK Ltd. (EMEA)    Tel:   +44 118 924 6082
> Suttons Park Avenue                  Email: Des.Herriott@oracle.com
> Earley, Reading RG6 1AZ
> 
> 
> 
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