[Coco] further adventures with plug'n'power/x10

[Aaron Wolfe]

On Sat, Sep 25, 2010 at 2:38 PM, John W. Linville
<linville at tuxdriver.com> wrote:
> On Sat, Sep 25, 2010 at 01:14:29PM -0400, Aaron Wolfe wrote:
>> Is it possible that the two different PnP controllers (small grey one
>> vs larger light or white one with buttons) need different signals from
>> the cassette port?
>
> Funny you should ask that -- I was wondering the same thing.
>
> FWIW, I found a series of Rainbow articles (Feb, April, June,
> and Aug of 1983) that describe how to talk to a PnP controller.
> The interface is rather simple, requiring a lot of X10 protocol
> knowledge to actually use it effectively.  No mention is made in those
> articles of downloading any sort of schedule or other configuration
> that must be necessary for the autonomouse use that the later PnP
> controller for the CoCo can support.
>
> Curious, I opened the white controller I have readily available.
> It contains a circuit board with (among other stuff) an 8048
> microcontoller and a 6116 RAM.  This confirms (at least to me) that
> there must be more to the story for this version of the PnP controller.
>
> Somewhere I think I have the earlier PnP controller as well.  If I
> can locate it in my pile, I'll open it up to confirm the difference.
>

I'd be happy to photograph/document the internals of the one i have
here if that's useful
-Aaron

> In any case, I wonder if anyone can provide a reference on how to
> access the more advanced capabilities (i.e. scheduling for off-line
> operation) available in the later version of the PnP controller?
>
> John
> --
> John W. Linville                Someday the world will need a hero, and you
> linville at tuxdriver.com                  might be all we have.  Be ready.
>
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