[mythtv] lirc, Motorola DCT2000 and the Actisys IR blaster

A Gill mythtv-dev@snowman.net
Tue, 5 Nov 2002 00:32:16 -0800 (PST)

Has anyone done any work trying to get serial port
control of a digital cable box to work.  I have been
researching this for a little while now, but haven't
quite got the code i need.  Right now I can only turn
the box on and off using a simple shell script, but of
course we need to be able to change channels.  The
method is really simple ... its getting the hex
commands that I can't seem to do.

here's what I have to turn the box on and off.

[root@knox:/home/knox ]$ stty raw < /dev/ttyS0
[root@knox:/home/knox ]$ echo -ne "
> /dev/ttyS0

same command is used to toggle the box on and off.  If
I had the same hex sequence need to set a channel then
it would be a done deal.  Maybe someone else has a way
of finding out.

-- Allen

--- Matt Zimmerman <mdz@debian.org> wrote:
> On Mon, Nov 04, 2002 at 11:12:28AM -0600, Carlos
> Talbot wrote:
> > The gi-motorola-dct2000 is defined in my
> /etc/lircd.conf file which
> > was extracted from
> http://www.lirc.org/remotes.tar.bz2.
> > 
> > If someone has a better way of scripting this
> please feel free to
> > contribute any changes. I had to create the
> initial shell script because a
> > fork is required. You'll noticed during the ir
> tranmissions I had to delay
> > each digit by one second. This is long enough to
> cause a/v synch issues
> > with Mythtv. It's better that the script returns
> right away while the ir
> > is sent in the background.
> Excellent, I have the same unit and am glad to hear
> that lirc works well
> with it.  If I can't make it work with IrDA, I will
> look into the Actisys
> unit that you mentioned; thanks for bringing that to
> my attention.
> -- 
>  - mdz
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