Subject:
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Re: Assembler math/PID
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 4 Dec 1998 05:40:56 GMT
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Original-From:
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Aaron Edsinger <(aarone@sirius)AvoidSpam(.com)>
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Viewed:
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7548 times
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Justin,
Thanks for your reply. I assume you had one process doing the
PID in a tight loop, and then had other concurrent processes doing other
tasks. Was there ever a problem with the PID process not getting scheduled
within the 1Khz system interrupt timeframe?
I was thinking of setting up an external interrupt faster than 1Khz, and was
concerned that depeding on the IC process scheduler may limit any gains of a
faster interrupt.
Aaron
-----Original Message-----
From: J.D.Gullotta.. <gulloj@rpi.edu>
To: Aaron Edsinger <aarone@sirius.com>
Date: Thursday, December 03, 1998 6:27 PM
Subject: Re: Assembler math/PID
> yes,
>
> what i did was i used the assembler code to reset a global variable that
> allows the IC code to execute. the IC code executes and sets the
> variable, not allowing the IC code to be executed again until the
> assembler code runs again (mind you, the IC code is in a loop). this
> allows the IC code to be run periodically, while still using IC, and not
> assembler to accomplish the whole task. any more questions, dont be
> afraid to ask. good luck.
>
> --
> Justin D. Gullotta..
> Undergraduate Research Project
> Center for Automation Technologies
> Rensselaer Polytechnic Institute
> Troy, New York 12180-3590
> Email: gulloj@rpi.edu
>
>
>
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