[linux-dvb] Re: Full featured card summary

[Holger Waechtler <holger@qanu.de>]

On Monday 15 March 2004 00:13, Klaus Schmidinger wrote:
> Holger Waechtler wrote:
> >
> > The DiSEqC spec requires you to set the appropriate bus voltage before a
> > DiSEqC command is sent. It also requires that the old-style SEC and
> > DiSEqC commands are sent compatibly, the behaviour of switches, rotors
> > and LNBs is not defined if the content of SEC and DiSEqC sequence don't
> > match. The SEC sequence is mandatory (Voltage, tone and burst). See the
> > DiSEqC Update and Recommendations for Implementations on the Eutelsat
> > website:
> > http://www.eutelsat.org/satellites/pdf/Diseqc/associated
> > docs/update_recomm_for_implim.pdf, page 36.
> >
> > Also check out dvb-apps/test/diseqc.c for a reference implementation.
>
> But my DiSEqC equipment _does_ work fine with the DVB driver and sending
> plain hex codes (like [E0 10 38 F3]). The LNB power issue has been resolved
> by explicitly turning it on in VDR, so I would expect the DiSEqC equipment
> to work with dvb-kernel - but it doesn't (at least not reliably)

if it worked before it was pure luck -- if you prefer deterministic behaviour 
should follow the spec...

Holger


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