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Subject: 
Re: PowerBook G3 IR Port?
Newsgroups: 
lugnet.robotics
Date: 
Fri, 28 Jan 2000 16:24:56 GMT
Original-From: 
Ben Wyckoff <wyckoff@clearway.com!spamless!>
Viewed: 
3163 times
  
At 5:08 AM +0000 1/28/2000, Dave Baum wrote:
> In article <v04210107b4b6549cdf89@[199.103.231.199]>, Ben Wyckoff
> <wyckoff@clearway.com> wrote:
> 
> > Has anybody tried using the PB IR port? Can anybody tell me if I
> > would be wasting my time to try?
> 
> 
> In theory it may be possible, but in practice it hasn't been done.  The
> reason is that the PB uses IrDA (it also features a special Apple-only
> protocol), while the RCX uses simple NRZ on a 38kHz carrier.  In theory
> you may be able to use one of the higher IrDA baud rates to manually
> generate the 38kHz carrier for transmit, but this would require fairly
> low level access to the IR hardware.  Receive is an even bigger problem.


Dave,
Thanks for the response. Soon after I posted my question, I
actually read page 18 of your book which told me the same thing ;)
I'll just go get a cable, and tote my IRTower around with me!

-Ben

------------------------------------------------------------------------
Ben Wyckoff                                     wyckoff@clearway.com
Principal Engineer
ClearWay Technologies, LLC.                     www.clearway.com

"Somehow it seems to fill my head with ideas -
only I don't exactly know what they are!"
Lewis Carroll, Alice, Through The Looking Glass
------------------------------------------------------------------------



Message is in Reply To:
  Re: PowerBook G3 IR Port?
 
(...) In theory it may be possible, but in practice it hasn't been done. The reason is that the PB uses IrDA (it also features a special Apple-only protocol), while the RCX uses simple NRZ on a 38kHz carrier. In theory you may be able to use one of (...) (27 years ago, 28-Jan-00, to lugnet.robotics)

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