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From: "Frank Bemelman"
References: <3D8A6BE9.6455BB7@webaccess.net> <email@example.com>
Subject: Re: Which Microcontroller to use?
Date: Fri, 20 Sep 2002 21:18:29 +0200
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Organization: EuroNet Internet
NNTP-Posting-Date: 20 Sep 2002 19:18:52 GMT
"Grahame Olney" schreef in bericht
> > Chuck Simmons wrote:
> > There is something seriously backwards here. The reason for using high
> > level languages is to handle complex functions easily. Optimizing C
> > compilers are in fashion and for excellent reasons. Assembly language is
> > used for speed in simple functions or in cases where nothing else is
> > available. Complex functions are painful to write in assembly language
> > and hard to debug.
> Actually the reason to use C in microcontrollers is:
> (1) Get a less expensive employee to program it
> (2) Speed up development at the cost of performance
> (3) Keep your staff weak and easily replacable
> The challenging designs require assembly language for performance and
> reliability reasons. Complex functions are not painful in assembly
> language; where do you think object oriented programming came from in
> the first place? I find that the Micro C programmers that trumpet its
> values the most are the ones that don't know anything about writing
> assembly language solutions with efficient data structures anyhow.
> They tend to contrast their C code to pathetic DeVry-Style assembly
> language from lab projects. That is like contrasting Oil Tankers to
> Whales in types of technology. :)
> The only use we ever make of C in microcontrollers is doing
> man-machine interfaces WHEN we had a client that couldn't make up
> their mind on how it should behave. C is ONLY useful where flexibility
> is required due to some human indecision or lack of specification.
> I have never hired a C programmer for microcontroller work and never
> will. If I could use their contribution, my company wouldn't be doing
> hard enough designs to charge what we charge. :)
> We're not in the "Lab Project Plus" market.
You forgot to compare lousy asm programmers with talented C-programmers ;)
I inherited a few hundred ASM projects, most of them similar,
but absolute horror code, hardly doing what it was supposed to
do. Wrote everything new from scratch, 100% C, one set of source
files replaces *all* hundred+ applications, runs 5 times as fast
on the same hardware, and finally presents a UI that looks decent.
ASM is history. Even the need for those last 20 lines of ASM is
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