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Subject: 
RE: Hardware Hack
Newsgroups: 
lugnet.robotics
Date: 
Fri, 6 Jul 2001 12:39:13 GMT
Reply-To: 
<rhempel@bmts.com&stopspam&>
Viewed: 
749 times
  
Roy Wood wrote:

It seems intriguing that there are 8 A/D converters and/or 8 input-only
pins, and we've got access to only 3 inputs.  Are the others just not
connected?

The four buttons on the front panel and the IR data port probably
make up the
remaining 5 inputs.

Nope. One of the inputs is used for the battery level, the other 4 are
unused as far as I know. The on/off button is connected to a hard interrupt
line for the sleep function, and the other 3 butons are on an IO port.

It's all in Kekoa's original document....and I don't have the URL
handy, but a quick LUGNET search (a feature more folks should use :-)
turns up:

<http://news.lugnet.com/robotics/rcx/pbforth/?n=306>

And it turns out I even posted it!

Cheers,

Ralph Hempel - P.Eng



Message is in Reply To:
  Re: Hardware Hack
 
(...) The four buttons on the front panel and the IR data port probably make up the remaining 5 inputs. I guess you could consider wiring up at least two of the front panel buttons to sensors since they aren't used when the program is running - but (...) (23 years ago, 7-Jul-01, to lugnet.robotics)

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