[mythtv-users] Controlling multiple cable boxes

Jim Reith reith at racores.com
Tue Sep 13 14:59:22 UTC 2005


At 10:11 AM 9/13/2005, you wrote:
>It would be very exciting to have 2 machines
>(computer to cable box) talk to each other over a USB to USB
>connection. I believe USB is somewhat like SCSI in that
>there must be an initiator and a listener to have a means
>for 2 machines to talk together.
>
>Does anyone have an idea of how to connect 2 machines using
>a USB to USB technique?
>
>Jerry

I wouldn't think it would be that hard to emulate a keyboard if that truly
did work right now. KVMs emulate that currently (they don't simply "pass
through" as you will find if you ever try to use a "special" keyboard with
one). I know I used to do that type of thing with serial terminals for load
testing using a Z-80 (to load test terminal servers) way back when. I can't
imagine there aren't similar tools available now


> > On Mon, 2005-09-12 at 09:14 -0400, Gerald J. Berg wrote:
> > > I have a pvr-350 and a pvr-500 in my MythTV box.
> > > An IR Blaster would require multiple serial ports
> > > to control the 3 cable boxes. These days, USB
> > > ports are easier to come by than serial ports.
> > > Has anyone heard of a way to control multiple
> > > cable boxes using one or more USB ports?
> >
> > I'm hoping to use the CommandIR beta hardware from
> > http://www.innovationone.ca.  It is already supported by lirc and
> > controls up to 4 separate devices using a single USB port.
>
>On Mon, Sep 12, 2005 at 10:14:36AM -0400, Brian Long wrote:
>
>Along these lines, does anyone know how to control a cable box via
>direct USB connections? I know my cable box has a USB port, and if I
>hook up a USB keyboard to it, I can change the channels by hitting the
>number keys.
>
>I dug a little into it, and it would seem that I'd need a USB
>host-to-host cable, but researching linux that for linux, I really only
>came up with drivers that I use for my linux ipaq.
>
>Does anyone have any other pointers? It would hugely cut down on my
>channel changing time.
>
>
>
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