Subject:
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sensor questions plus
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Newsgroups:
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lugnet.robotics.rcx.pbforth
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Date:
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Wed, 3 May 2000 22:29:08 GMT
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Reply-To:
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SJM@JUDGEMENTspamless.COM
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Viewed:
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1331 times
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You said to keep asking questions. I'm taking you at your word.
Questions I've got.
o - Sensor questions:
Could you explain how the sensor code works? How does it interact with
the ROM. Is this (ROM stuff) documented elsewhere?
What does SENSOR_READ do exactly?
How does this relate to the rotation sensor?
In particular if the rotation is changing rapidly how do I make sure
steps
are not missed?
o - IR question.
Is IR full or half duplex?
o - Pregnant pauses
I do not have reliable text download so I have been typing commands by
hand.
Occasionally I get big pauses where pbforth seems to be ignoring input.
For
example I hit CR every second or so after typing a string of words and
there is
a long pause abd then a single ok. Is this normal?
o - Missing "ok".
When I type something that gives an error I get the error message but no
"ok" prompt.
Is this normal? It si disconcerting since I am I used to waiting for the
prompt to tell
me it is my turn.
o - Baud rate.
Is the baud rate fixed by the RCX hardware?
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Message has 1 Reply:
 | | RE: sensor questions plus
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| (...) The ROM stuff is documented in Kekoa Proudfoot's internals document, see (URL) for all the details. The RCX interface words in pbForth call into the ROM... (...) It actually *processes* the results of a sensor read by the OCIA interrupt (...) (25 years ago, 4-May-00, to lugnet.robotics.rcx.pbforth)
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