[mythtv-users] Channel changing on from mythtv ideas

[Ian Forde]

Did *lots* of searching on the net... I can't even begin to imagine
asking Comcast or Motorola for specs on the box... besides, there's a
nice note in the manual for the cable box stating, "DO NOT CONNECT TO
YOUR PC!"  I don't expect that Tivo would give away the code either,
since they're probably under NDA from Motorola... ;)

Most importantly, I figure that if the info comes from sniffing, then
it's true reverse engineering, pretty much clean-room stuff, and thus
not very likely to run afoul of any existing statutes (DMCA, RIAA, MPAA,
etc...)  Or maybe I'm just paranoid... ;)

	-I

On Fri, 2003-05-23 at 12:57, Matt wrote:
> I'd be willing to give the sniffing a shot.  If I had a Tivo or a 
> motorola cable box :-)
> Although, I would be interested for the cable box that I have.
> However, is sniffing necessary?  Have you tried getting the information 
> from the manufacturer?
> 
> Also, have you looked around on the net?  Perhaps someone has already 
> done the work.
> 
> 
> Ian Forde wrote:
> 
> >Hi all - I've been using mythtv for about a month and I absolutely love
> >it.  I already have a Tivo, and it seems that as soon as I got my mythtv
> >up and running, my Tivo (in a blatantly obvious spat of jealousy)
> >started flaking out on me.
> >
> >Thus, I'm looking to replace my Tivo entirely with mythtv. ;)
> >
> >One of the things that the Tivo has is serial-port channel changing
> >capability for cable boxes on the Series 2 models.  It turns out that
> >the Series 1 models also have this functionality if you have hacked your
> >Tivo and run an enabling script.  Since reverse-engineering isn't
> >completely illegal yet in the U.S. (I hope!) would it be possible to
> >sniff the serial communication between the Tivo and the cable box
> >(Motorola DCT2000/2224/2244) box?  Then write scripts to use those
> >commands for external channel changing from within MythTV?
> >
> >I've actually tried this, but I couldn't see any communication going
> >on.  (Using some serial-sniffing software that I found on
> >freshmeat.net...)
> >
> >Does this sound like a good idea?  If so, could someone else give this a
> >shot?  If it works, even though you'll still need a cable box to get
> >digital cable channels, you won't need an IR blaster, which is not
> >always reliable anyway... ;)
> >
> >	Thanks,
> >	-Ian
> >
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> >
> 
> 
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-- 
                       __________________________________
                       Ian Forde, RHCE, CCSE, SCNA, SCDME
                       CYTBeN, Inc.
                       ian at duckland.org / ian at cytben.com