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Lpc2000

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Message

Re: [lpc2100] Setting/Clearing IO Pins

2004-01-22 by Robert Adsett

At 02:32 PM 1/22/04 -0600, you wrote:
>for (;;)
>   {
>   delay(HALF_SEC);
>   IOPIN ^= LED2_BIT;
>   }

Ahh, but the question is how fast can it do it?

My original measurements are at 
http://groups.yahoo.com/group/lpc2100/message/37
I've since turned on optimization and the differnce between ASM & C has 
vanished.

I did see the IOPIN note, but ran out of time to continue measuring (plus 
Philips is clearly against the idea).

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

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