Hello,
At 23:20 06.07.2007, Eric Weddington wrote:
> -----Original Message-----
> From:
> [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]
> org] On Behalf Of Per-Tore Aasestrand
> Sent: Saturday, June 09, 2007 12:06 PM
> To: [email protected]
> Subject: [avr-gcc-list] Strange delay behavior
>
> Hello list,
>
> I've suddenly run into something odd. I am using AVR Studio
> Version 4.12 Service Pack 4 with WinAVR 20060421. Have been
> using this setup for a while without any problems.
>
> Now, running the following test program on a ATmega128 @ 8
> MHz, produces pulses on PC3. However, with 'off' period of
> 1,45 ms and 'on' period of 2,45 ms and. I had of course
> expected 1ms and 2 ms, respectively.
>
> I ran the same program using CodeVision, and then the periods were OK.
>
> Guess I've overlooked something.
> Any idea, someone?
What's your optimization setting (-O) ?
Yes, it was -O!! ;-)
Are there some guidelines for proper use of optimization settings?
This message was sent to the list about one month ago. I was quickly
tipped off to check the optimization setting. For some odd reason, it
popped up again today. Wonder what happened.
Per-Tore
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