[vdr] : Positioner and multi-tuner setup?

Klaus Schmidinger Klaus.Schmidinger at tvdr.de
Wed Feb 20 23:11:31 CET 2013


On 20.02.2013 21:52, Teemu Suikki wrote:
> I'm replying to an old message, because soon I will have similar setup so I'm interested. :)
>
> I currently have two tuners with fixed dish to S1.0W, and third tuner with diseqc motor. I'm using diseqc.conf and the gotoxx patch, it works very well!
>
> However I'm adding fourth tuner soon. It will be connected to the motor dish too.
>
> I have been examining vdr's Device Bonding feature. If two devices are bonded and Diseqc is enabled, vdr will compare the diseqc strings of the already tuned master, with the diseqc string of the new channel on the other device. If they match, channel change is accepted.
>
> So basically it should work if you simply have same diseqc config for both bonded devices.
>
> However, there is a problem that also the polarisation and low/high frequency range is compared. This means that the bonded device is restricted to same polarisation and frequency range. This would need some patching in dvbdevice.c..

And what exacly would you want to patch there?
Bonded devices are connected to the same antenna cable, and on one cable you
can only convey one polarization (H or V) and one frequency band (high or low)
at the same time. So the restriction to same polarisation and frequency range
is necessary for device bonding, and I don't see how using a motor dish would
make any difference there.

Klaus

> 27.12.2012 16.06 "Antti Hartikainen" <ami+vdr at ah.fi <mailto:ami%2Bvdr at ah.fi>> kirjoitti:
>
>     Hi.
>
>     I would want to somehow configure VDR to use positioner (H-H motor) and dual tuner setup, to receive two transponders from same source at one time.
>
>     My current hardware setup is: TechnoTrend S2-6400 dual tuner DVB-S2 with H/W decoder, H-H motor and a quad LNB.
>
>     I'm using diseqc commands in diseqc.conf to control the motor, as GOTOXX patch and rotorng plugin are both too buggy to be used. Rotorng I used to store
>     the positions.
>
>     Currently I only have one tuner in use, and it is connected to the motor.
>
>     I was wondering if it would be somehow possible to get second tuner in use also. It would be connected directly to LNB, and that tuner would be limited to the
>     same satellite source as the other tuner is tuned to, and have independent frequency/polarization.
>
>     Thanks.
>
>     PS. What is the current recomended way for using positioner with VDR? Preferred would be a USALS capable setup.



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