RE: [avr-gcc-list] Strange delay behavior

[Eric Weddington]

> -----Original Message-----
> From:
> address@hidden
> [mailto:address@hidden
> org] On Behalf Of Per-Tore Aasestrand
> Sent: Saturday, June 09, 2007 12:06 PM
> To: address@hidden
> 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) ?