[mythtv-users] Control DirecTV D11 via serial port

Jeff Simpson jeffsimpson at alum.wpi.edu
Wed Aug 16 11:51:38 UTC 2006

> Windows? What the heck is that? Sounds stupid.

Yeah, it's unfortunate, but I have to say that a lot of configuration
problems stem from the fact that a machine is linux. I figure if you
can eliminate linux from the equation, it really helps. Plus, that com
port toolkit is a really nice program, you can just type in the hex
you want to send to the box, and it'll tell you what hex it receives
back. The closest I got to that in minicom was saving hex to a file
and ascii-uploading the file. And that didn't do any fancy
interpretation of the results. But anyway, the script itself does a
plenty good job of that, the windows thing is just a "before you start
tearing apart linux configurations and the script, check the hardware"

> It ended up being the wrong USB->Serial adaptor. Looked just like the
> iogear one, but no such luck. I didn't realize it was so important to
> get a specific brand even thought they look/cost the same. Changing
> channels like a champ now! Thanks for the response.

Yeah, I guess the box is hard-coded to look for those USB device IDs.
Makes sense, since it has to act as the USB host, if the device is
slightly different, it won't be able to work without a driver, and
there's no support for adding a driver without a firmware update.

Glad to hear you got it working!

 - Jeff

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