[linux-dvb] [PATCH] scan-s2: fixes and diseqc rotor support

Hans Werner HWerner4 at gmx.de
Wed Nov 12 12:51:07 CET 2008


> > I have attached two patches for scan-s2 at
> http://mercurial.intuxication.org/hg/scan-s2.
> > 
> > Patch1: Some fixes for problems I found. QAM_AUTO is not supported by
> all drivers,
> > in particular the HVR-4000, so one needs to use QPSK as the default and
> ensure that
> > settings are parsed properly from the network information -- the new S2
> FECs and
> > modulations were not handled.
> > 
> > Patch2: Add DiSEqC 1.2 rotor support. Use it like this to move the dish
> to the correct
> > position for the scan:
> >  scan-s2 -r 19.2E -n dvb-s/Astra-19.2E
> >  or
> >  scan-s2 -R 2 -n dvb-s/Astra-19.2E
> > 
> > A file (rotor.conf) listing the rotor positions is used (NB: rotors vary
> -- do check your
> > rotor manual).
> 
> 
> thanks for your patch.
> 
> btw - could you scan dvb-s2 (qpsk & 8psk) channels with scan-s2 and
> hvr4000 ? with which drivers ?
> 
> Goga

Yes I could scan DVB-S and DVB-S2 (both QPSK and 8PSK) in one command with the 
HVR4000. The satellite delivery system descriptor parsing is used to set DVB-S/-S2 and
QPSK/8PSK and FEC. I used the s2-liplianin drivers (only because I am also testing a
stb0899 vp1041 card at the moment). It should also work with the v4l-dvb drivers but
I didn't try yet.

Also there is some network information on 19.2E which points to 23.5E so the rotor is moved
during the scan to 23.5E and then back to 19.2E depending on the transponder. :).

Hans


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