[mythtv-users] USB on the cable box

[Michael Bochynski]

On Wed, 2005-11-09 at 13:25 -0500, Erik Karlin wrote:

> On Wed, Nov 09, 2005 at 01:04:42PM -0500, Michael Bochynski wrote:
> > On Wed, 2005-11-09 at 12:36 -0500, Erik Karlin wrote:
> > 
> > > On Wed, Nov 09, 2005 at 11:54:29AM -0500, Michael Bochynski wrote:
> > > > Hi,
> > > > 
> > > > I want to use USB port on my cable box (Scientific Atlanta 2100) for
> > > > Myth TV to change channels. According to SC2100 this port is designed to
> > > > be used for remote.
> > > > 
> > > > My question is, if I get usb-to-serial cable, do I still have to install
> > > > lirc to change channels? Can I use only those scripts in
> > > > mythtv/contrib ?
> > > > 
> > > > Note that I don't need receiver configured using lirc, since I have
> > > > wireless (IR) keyboard on PS2. I've learned my remote a bunch of
> > > > keypresses, and I don't have to install anything on the OS side. :) 
> > > > 
> > > > Michael
> > > 
> > > I'm not sure it'll be that easy:
> > > http://www.gossamer-threads.com/lists/mythtv/users/149223
> > 
> > 
> > Hmm... I actually thing that it should be easy. This USB port is
> > designed to be used by USB transmitter/receiver pair, which you can buy
> > from Scientific Atlanta. 
> 
> are you talking about a USB IR xmit/rcv device? Wouldn't the cable box
> itself already have an IR receiver?


Built-in receiver, yes. This was just an example, I want to use USB port
(and cable) to send signals from my PC directly

> 
> My cable box has a usb port that will take a USB keyboard to control the
> channel changes. I guessed that was what you were referring to.


My cable box, as I mentioned above, has USB port for xmitter/receiver.
not that I want to connect those devices, 


> > 
> > This means that this port is designed to receive codes from remote.
> > Correct me if I'm wrong, but does it matter what is on the other end of
> > USB cable as long as correct codes are being sent? Hence, whether it's a
> > IR receiver or a PC with Myth, it shouldn't matter. Unless I got it
> > wrong :)
> 
> I've used the www.irblaster.info connected to my serial port to try and
> control my cable box. It sounds like that's what you're trying to do
> over a USB connection on your PC? I figured you really wanted to go
> USB-to-USB. My posts in the thread I linked above, along with the older
> thread I posted there talk about usb<->usb problems.


That's the thing. I don't want to use any blasters, since I can use USB
port. I was actually thinking about using serial-to-USB cable, connect
it to the box and voila ! My question is whether I need to use lirc or
something similar?

Michael
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