[linux-dvb] help with Twinhan VisionPlus 1020A

Luis Alberto Zarrabeitia zarrabeitia at gmail.com
Sun Jul 24 18:46:26 CEST 2005


> udev is deprecated, I think the /dev system works better.

It is? I thought devfs was deprecated and udev was its replacement,
and both replacement for /dev. Aparently I was wrong. My bad.

> please give me an output off
> 
> #ls -l /dev/dvb/adapter0

crw-rw-rw-  1 root video 212, 1 2005-07-24 10:30 audio0
crw-rw-rw-  1 root video 212, 6 2005-07-24 10:30 ca0
crw-rw-rw-  1 root video 212, 4 2005-07-24 10:30 demux0
crw-rw-rw-  1 root video 212, 5 2005-07-24 10:30 dvr0
crw-rw-rw-  1 root video 212, 3 2005-07-24 10:30 frontend0
crw-rw-rw-  1 root video 212, 7 2005-07-24 10:30 net0
crw-rw-rw-  1 root video 212, 8 2005-07-24 10:30 osd0
crw-rw-rw-  1 root video 212, 0 2005-07-24 10:30 video0


> #cat /dev/dvb/adapter0/video0

cat: adapter0/video0: No such device

Regards,
               Luis.



On 7/24/05, Marc Dirix <marc at electronics-design.nl> wrote:
> On Sun, Jul 24, 2005 at 10:51:48AM -0400, Luis Alberto Zarrabeitia wrote:
> > Hi. Thanks for your quick reply, however, the problem is not solved yet.
> >
> > I did a modprobe dvb_bt8xx, and the module loaded.
> > I didn't have the devices in /dev (maybe because I use udev?), I
> 
> udev is deprecated, I think the /dev system works better.
> 
> > created them manually.
> >
> > However, the dvb-apps/utils/scan/dvbscan application (scan?) reports this:
> > --------------------
> > # util/scan/scan util/scan/dvb-s/Astra-19.2E
> > scanning util/scan/dvb-s/Astra-19.2E
> >
> > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> > main:1882: FATAL: failed to open '/dev/dvb/adapter0/frontend0': 19 No
> > such device
> 
> please give me an output off
> 
> #ls -l /dev/dvb/adapter0
> 
> and
> 
> #cat /dev/dvb/adapter0/video0
> 
> /Marc
> 
> 
> > --------------------
> > (frontend0 is c 212 3). On an italian forum is suggested that I should
> > load more modules, but I understand zero italian, so I couldn't
> > understand the message (other than a modprobe command).
> 
> The loaded modules look alright.
> 
> 
> >
> > I have loaded:
> > --------------------
> > # lsmod | grep dvb
> >
> > dvb_bt8xx              10436  0
> > dvb_core               83848  1 dvb_bt8xx
> > nxt6000                 7524  1 dvb_bt8xx
> > mt352                   5764  1 dvb_bt8xx
> > dst                    13320  1 dvb_bt8xx
> > bt878                  11000  2 dvb_bt8xx,dst
> > sp887x                  8196  1 dvb_bt8xx
> > bttv                  155152  2 dvb_bt8xx,bt878
> > firmware_class         10144  3 dvb_bt8xx,sp887x,bttv
> > i2c_core               22736  10
> > mt312,dvb_bt8xx,nxt6000,mt352,dst,sp887x,tuner,bttv,i2c_algo_bit,i2c_i801
> > ---------------------
> >
> > I forgot to say it on my previous post, I'm using a 2.6.10-1-686
> > kernel from Debian Sarge (my last update was right before sarge was
> > frozen, but I cannot upgrade for a while).
> >
> > Regards,
> >                 Luis.
> >
> > On 7/24/05, Marc Dirix <marc at electronics-design.nl> wrote:
> > > You should be able to see dvb nodes in your /dev even if the module
> > > isn't loaded. If you don't see them use
> > >
> > > for most distro's :
> > > # cd /dev
> > > # ./MAKDEV dvb
> > >
> > > This wil create an /dev/dvb directory with nodes inside for you.
> > >
> > > If you don't have the /dev/MAKDEV either consult your distro how to do
> > > this, or do it by hand:
> > >
> > > # cd /dev
> > > # mkdir -m 755 -p dvb/adapter0
> > > # cd dvb/adapter0
> > > The use mknod to make device nodes like this:
> > >
> > > # mknod audio0 212 1
> > >
> > > This is a list of the nodes:
> > > crw-rw----  1 root video 212, 1 Jul 24 14:14 audio0
> > > crw-rw----  1 root video 212, 6 Jul 24 14:14 ca0
> > > crw-rw----  1 root video 212, 4 Jul 24 14:14 demux0
> > > crw-rw----  1 root video 212, 5 Jul 24 14:14 dvr0
> > > crw-rw----  1 root video 212, 3 Jul 24 14:14 frontend0
> > > crw-rw----  1 root video 212, 7 Jul 24 14:14 net0
> > > crw-rw----  1 root video 212, 8 Jul 24 14:14 osd0
> > > crw-rw----  1 root video 212, 0 Jul 24 14:14 video0
> > >
> > >
> > > > For mplayer, you need to copy channels.conf from your ~/.szap dir to
> > > your ~/.mplayer dir.
> > >
> > >
> > > /Marc
> > >
> > > On Sat, Jul 23, 2005 at 09:52:55PM -0400, Luis Alberto Zarrabeitia wrote:
> > > > Hello.
> > > > I recently purchased a Twinhan VP1020A card (DVB-S), and it is listed
> > > > as supported in the linuxtv site. However, I have not succeeded in
> > > > making it work.
> > > >
> > > > I saw some posts on this list very similar to what I am experiencing,
> > > > but unfortunately I did not understood the proposed solutions. I will
> > > > summarize what I know:
> > > >
> > > > ---- dmesg reports: --------
> > > > bttv: driver version 0.9.15 loaded
> > > > bttv: using 8 buffers with 2080k (520 pages) each for capture
> > > > bttv: Bt8xx card found (0).
> > > > ACPI: PCI interrupt 0000:02:02.0[A] -> GSI 17 (level, low) -> IRQ 185
> > > > bttv0: Bt878 (rev 17) at 0000:02:02.0, irq: 185, latency: 32, mmio: 0xf47fe000
> > > > bttv0: detected: Twinhan VisionPlus DVB-T [card=113], PCI subsystem ID is 1822:0
> > > > 001
> > > > bttv0: using: Twinhan DST + clones [card=113,autodetected]
> > > > bttv0: gpio: en=00000000, out=00000000 in=00f5ffff [init]
> > > > bttv0: using tuner=4
> > > > bttv0: add subdevice "dvb0"
> > > > ---------------------------------------
> > > > but I cannot find any device dvb0 under /dev. Following the
> > > > instructions at http://www.tldp.org/HOWTO/BTTV.html, I created a
> > > > /dev/video0 device, but xawtv wont work with it (v4l: open
> > > > /dev/video0: No such device). On this list it is explained that's
> > > > because it is a 'budget' card without a decoder. One of the replies
> > > > suggested the use of mplayer to test it, but I could not find a way to
> > > > do it (mplayer dvb:// reports 'DVB CONFIGURATION IS EMPTY, exit').
> > > >
> > > > Questions are, 1) how do I use it / test it? and 2) has anyone used it
> > > > with, for instance, MythTV?
> > > >
> > > > Regards,
> > > >                Luis Zarrabeitia.
> > > >
> > > > _______________________________________________
> > > > linux-dvb mailing list
> > > > linux-dvb at linuxtv.org
> > > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> > >
>




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