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Unread 08-01-2004, 08:25
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Mike Betts Mike Betts is offline
Electrical Engineer
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Re: Time to feel stupid....

Quote:
Originally Posted by galewind
Am I correct in saying that the drastic increase of MIPS (from 0.01 to 10.0) will mean that the length of your code should no longer impact the execution time -- so that you will always be able to execute a loop once every 17 (or ~26) ms?
In general, the code (and code requirements such as I/O) will grow to fill all available space/time. There have already been posts in these fori where users have run out of space (one gentleman could not load his program into ROM and asked what could be deleted) and time (another was using interrupts at a very high repetition rate to decode shaft position).

The task of the design engineer is to choose and implement a design that is within the capabilities of system constraints. The PIC 18C considerably increases (loosens) the system constraints we must stay within but not infinitely.

Now I will borrow Car Knack's Cloak of Prediction from Mr. Beatty:

"Before 3/1/2004, more than one engineer or EIT will complain that the new controller is not powerful enough."
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Mike Betts

Alumnus, Team 3518, Panthrobots, 2011
Alumnus, Team 177, Bobcat Robotics, 1995 - 2010
LRI, Connecticut Regional, 2007-2010
LRI, WPI Regional, 2009 - 2010
RI, South Florida Regional, 2012 - 2013

As easy as 355/113...

Last edited by Mike Betts : 08-01-2004 at 12:14.