[mythtv-users] DVB-T USB dual-tuners in Mythtv?

Ma Begaj derliebegott at gmail.com
Tue Oct 16 14:37:00 UTC 2007


you should use udev for that:
- load lirc module
- check for some of udev variables (idVendor) and make an udev rule

you can find an example in the mythtv wiki info on how to do it for
the an other remote, but the way is the same:
http://www.mythtv.org/wiki/index.php/Volume_Knob_on_Antec_Fusion#Edit_udev_rules

and just put the right value in lircd starting command, for example like this:
lircd --device=/dev/lirc_remote

M.


2007/10/16, Mark Schuren <schuren at ultra.de>:
>
>  Cool idea, thanks!
>
>  The only problem I see is that the device name of the remote control
>  receiver changes when the module is reloaded, is it? I already tried
>  this manually before, and my /dev/input/event2 device (used by lircd)
>  was /dev/input/event5 after the module reload... do you also have a
>  workaround for this behaviour? Just stopping lircd didn't seem to help.
>
>  Thx,
>  Mark
>
>
>
>  Ma Begaj wrote:
>  you can make shell script which checks every few hours is the mythtv
> busy, and if not, you can reload firmware/modules. you can do it with
> something like that.
>
> ----------------------------------------------------------------
> #!/bin/sh
> mythshutdown -s 1 -v all | grep 'status returned: 0' >/dev/null
>
> if [ $? == 0 ]; then
>  ## reload firmware/modules
> else
>  sleep 180
>  mythshutdown -s 1 -v all | grep 'status returned: 0' >/dev/null
>  while [ $? == 0 ]; then
>  sleep 180
>  mythshutdown -s 1 -v all | grep 'status returned: 0' >/dev/null
>  fi
>  ## reload firmware/modules
> fi
> ----------------------------------------------------------------
>
> this can be written nicer with subroutines to prevent repeating
> commands, but it is just an idea so you can see what I am talking
> about.
>
> M.
>
> 2007/10/16, Mark Schuren <schuren at ultra.de>:
>
>
>  Hi Stephen,
>
> I bought a Hauppauge Nova-TD (dual tuner / diversity) USB2 stick some weeks
> ago.
> Works under Linux and Myth with current (mercurial) dvb drivers and a
> specific
> firmware file - but for me the device only works for the first 24 hours...
>
> I have great reception, but when I leave the backend idle for 12-24 hours,
> and then try to use the device again, it consistently fails to tune any
> channel.
> A reboot / reload of the firmware seems necessary to get it back to
> operation.
>
> AFAICT this looks like a firmware problem, because the drivers work very
> well for
> the first couple of hours. dmesg gives no hints. I guess I'll wait for
> updates
> on www.linuxtv.org... It's a quite new device...
>
> In general I'm happy with all my Hauppauge USB devices (especially the
> remote
> controls are really good), this Nova-TD is the first one I saw where Linux
> support seems not that stable - yet ;-)
>
> Just my 2 cents.
> Mark
>
>
> -----Original Message-----
> Von: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] Im Auftrag von
> Stephen G
> Gesendet: Freitag, 12. Oktober 2007 15:40
> An: mythtv-users at mythtv.org
> Betreff: [mythtv-users] DVB-T USB dual-tuners in Mythtv?
>
> Hi,
>
> I'm switching to a frontend/backend architecture and the backend's PCI slot
> is already full. I am going to need to use a USB DVB-T tuner and I was
> hoping to get one of the new ones that include a dual tuner.
>
> Has anyone had any success with one of the following devices or can
> recommend another one that works? If there is no support for dual tuners,
> can someone recommend an inexpensive but reliable single USB DVB-T tuner?
>
> DigitalNow TinyTwin Dual Digital USB Receiver/LifeView TV Walker Twin
> Twinhan Dual Tuner DVB-T USB2.0
>
> Thanks!
>
>
>
>
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