[linux-dvb] Re: Getting IR-codes directly from DVB-S?

[Oliver Endriss <o.endriss@gmx.de>]

On Monday 13 October 2003 11:00, Holger Waechtler wrote:
> Oliver Endriss wrote:
> > I'm not sure whether a 'get protocol types' ioctl is really useful.
> > For example, the full-featured DVB-S cards support RC5 and RCMM, but
> > most optical receivers shipped with these cards cannot receive RCMM.
> > There is no way to detect this in the driver.
> 
> There are many IR protocols used in reality: RC5, RC6, RCMM, the NEC 
> protocol, the Sony protocol, the SHARP code, the Panasonic code, R-2000 
> - maybe too much to probe them all.
> 
> Take a look on http://www.vishay.com/docs/80071/80071.pdf to get a fast 
> overview, for many of the protocols you find parsers and uC codelets on 
> the web. If you have a card where a general-purpose uC like the MSP430 
> decodes IR events (like e.g. the Nova-CI cards) you could well reprogram 
> it to parse your own protocol.

Ok, I see. We need a function to query all supported protocols and
another one to select the protocol which shall be used.

Oliver


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