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Re: [avr-gcc-list] Handling High Speed Interrupts

From: Ormund Williams
Subject: Re: [avr-gcc-list] Handling High Speed Interrupts
Date: 22 Sep 2004 09:19:58 -0400

On Wed, 2004-09-22 at 03:08, Ramkumar Rengaswamy wrote:
> Hi,
>    I have an application that needs to generate a Timer Output Compare
> Interrput every 10 uS. I have an ATMega128L clocked at 7.329 MHz. This
> means that I have 74 clock cycles to handle the interrupt routine and
> currently most of the clock cycles are wasted in pushing and popping
> things off the stack. Is there anyway in avr-gcc to avoid all this
> overhead and utilize all the cycles for my processing only ?
I think what you are looking for is: _attribute_((naked)).  

> -- 
> Ormund Williams <address@hidden>

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