[mythtv-users] USB keyboard control of digital cable box
Steven Cruysberghs
steven.cruysberghs at pi.be
Mon Mar 22 08:15:34 EST 2004
Or you could use a wireless USB keyboard receiver and send the
keypresses using lirc.
> -----Oorspronkelijk bericht-----
> Van: mythtv-users-bounces at mythtv.org
> [mailto:mythtv-users-bounces at mythtv.org] Namens Khanh Tran
> Verzonden: maandag 22 maart 2004 13:30
> Aan: Discussion about mythtv
> Onderwerp: RE: [mythtv-users] USB keyboard control of digital
> cable box
>
>
> Great! So, then someone must have at least ATTEMPTED writing
> something close to what I'm looking for, no?
>
>
> -Khanh Tran
> khanh at khanh.net
>
>
>
> -----Original Message-----
> From: Ben Scott [mailto:benscott at cableone.net]
> Sent: Monday, March 22, 2004 12:26 AM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] USB keyboard control of digital cable box
>
> There is a thing generally called a USB link cable, I think
> they even sell them at places like Best Buy and Comp USA.
> Here's a link I found on Google for one:
> http://www.usbgear.com/item_102.html
>
> So it's basically a host on both ends, and a funky little box
> in the middle pretends to be a device for both hosts
>
> As for getting that to work on linux and then using it to
> send keyboard commands, well...
>
> Ben Scott
>
> Andrew Jamieson wrote:
>
> >----- Original Message -----
> >From: "Khanh Tran" <khanh at slc.edu>
> >To: "Discussion about mythtv" <mythtv-users at mythtv.org>
> >Sent: Monday, March 22, 2004 12:29 PM
> >Subject: [mythtv-users] USB keyboard control of digital cable box
> >
> >
> >I've got a Scientific Atlanta 4200 digital cable box. It's got a USB
> >port on the back and interestingly enough, I can plug any
> USB keyboard
> >into it and change channels by entering the numbers. Is
> there any way
> >to make MythTV or Linux output the keyboard commands to control the
> >cable box? I've heard of serial port control of satellite
> receivers,
> >so it's not too far off I suppose...
> >
> >Thanks!
> >
> >
> >-Khanh Tran
> >khanh at khanh.net
> >
> >
> >
> >Not easily. USB is a master / slave system (actually Host /
> Device is
> >the official nomenclature) - a keyboard is a Device and a PC
> is a Host,
>
> >as would be your cable box. Communication is not possible Host <->
> >Host or Device <-> Device. To do what you ask you would
> need some way
> >to control an
> >(external) USB device from the mythTV box that then
> presented itself as
>
> >a USB keyboard to your cable box. This is perfectly
> achievable with a
> >custom micro-controller design (say RS232 serial ->
> micro-controller /
> >USB -> cable
> >box) but can't be done without such custom hardware. I know of no
> >commercial products that do this.
> >
> >
> >Andrew Jamieson
> >
> >_______________________________________________
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> >mythtv-users at mythtv.org
> >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >
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