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

[Michal Vanka]

Personally I use assembler for such "high speed interrupt hanling".
Look at avrfreaks for serial port example.
http://www.avrfreaks.net/Freaks/freakshow.php?action=2&projectid=132

Michal Vanka

http://www.vanka.net home of AVR Embedded Ethernet controller


----- Original Message ----- 
From: "Ramkumar Rengaswamy" <address@hidden>
To: <address@hidden>
Sent: Wednesday, September 22, 2004 9:08 AM
Subject: [avr-gcc-list] Handling High Speed Interrupts


> 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 ?
> 
> Thanks,
> -Ram
> 
> 
> 
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