Subject:
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Re: Is there a benefit in delegating processing tasks?
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 16 Feb 2001 11:06:05 GMT
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Viewed:
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803 times
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In lugnet.robotics.handyboard, Andrew Loy writes:
> Thanks for the insight, I am sorry that I did not mention the main
> controller would be a Handyboard (implied though due to the news group).
> This is still a good point and has given me a lot to think about.
>
> The slave controller would continue until distance traveled or told to stop
> (due to obstacle or a higher priority rule executes). Certainly some good
> thinking there, thanks again.
>
> Please more ideas are welcomed and desired.
>
> Andy Loy
Hi Andy,
we did it the way you described, but with a 6.270 board (little brother of
handy-board).
We earned performance on 6.270 with it, because the only thing we had to do
is to parse the string received from serial port.
We attached a little board with a Mikrocontroller Atmel 90S8515.
To this little board we attached a Garmin GPS 12, a compass V2X, a polariod
ultra sonic and shaft encoders.It also served the servo used with ultra sonic.
Our only problem was that the string we received wasn't okay all the time,
so we had to check it for errors and cancle some of these strings. We don't
know where this problem comes from, but I guess it's a problem with the
Atmel. It's programmed using assembler and had a lot to do.
If interested take a look at :
http://www.informatik.fh-hamburg.de/~lego/Projekte/f18/f18.html
It's only available in german at the moment, but i'll translate it the next
days. (And add some stuff)
Rainer
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