C for embedded controllers

[sandy ganz]

ED-

Will their be lots of examples in the C/C++ users journal. I hate to think
that I'm going to have to wait that long to see some of the examples. What
can I get now...Do you have schematics, or is that propritary?

Sandy


At 12:08 PM 11/28/95 EST, you wrote:
>Bruce Bowling writes:
>
>>I am surprised there is not a war between C and C++, instead of
>>assembler vs. C.  
>>I will start one........
>>I have been using C++ on a major project (a accelerator simulation)
>>for the last year, and my conclusion is that C++ is 
>>useful if the problem you are working on can be easily
>>represented by objects.  Otherwise, use C.
>>[...]
>>Using C++ on an embedded processor code, with virtual functions
>>and the like, could lead to suicide (yours).
>
>I would be honored to pick up a gauntlet thrown by such a worthy
>opponent!
>
>I found object-oriented methods to be quite useful in designing a
>fuel injection system.  I found C++ to be an effective language
>when used to code the design.
>
>In 1994 I produced a running EFI system for a Formula SAE car.  The
>software was written almost entirely in C++ (including interrupt
>handling through virtual functions).  The system featured speed-density
>fuelling, spark timing and delivery, asynchronous tasks, round-robin
>tasks, heap management, and graphics LCD display handling with multiple
>(non-overlapped) windows which displayed various things from graphic
>tachometers to diagnostic information.  It ran on a 68HC16 at engine
>speeds over 11,000 RPM.
>
>I had to jump through enormous hoops to get the C++ code to run on
>this target, for which no C++ compiler existed at that time.  Some
>of this caused code ugliness.  There were other inefficiencies, too,
>which in the future I can go into if this thread keeps up.  However,
>I did find that the overall system was cleanly compartmentalized,
>easy to maintain, and suprisingly stable on the first try.
>
>Curiously enough, I was informed today that the "C/C++ User's Journal"
>will be publishing an article I wrote about this system.  I am told
>it should be in the February issue.
>
>More later (if you're interested) when I have all my materials in
>front of me...
>
>Ed Lansinger
>GM Powertrain Premium V (Northstar/Aurora) Software & Calibration Group
>Rensselaer Formula SAE Engine Group Leader '93, '94
>
>
>
**************************************
Name: sandy ganz
E-mail: sandyg at visix.com (sandy ganz)
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Date: 11/25/95
Time: 14:06:33
Machine: Bullwinkle
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