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Re: [avr-gcc-list] stumped by my ATmega48 (again)

From: joe
Subject: Re: [avr-gcc-list] stumped by my ATmega48 (again)
Date: Fri, 5 Oct 2007 08:23:41 -0600

On Oct 05, 2007, at 12:14 UTC, David Kelly wrote:

> When you return the CPU goes thru a crash reset, or something like  
> that, I haven't traced the code.
> Do something like this ...

OK, I tried this:

int main() {

        DDRB = 0xff;
        DDRC = 0x7f;
        DDRD = 0xff;

        PORTB = 0xFF;
        PORTC = 0x7F;
        PORTD = 0xFF;
        int x;
        while (1) {
        return 0;

..hoping that the busywork of incrementing x would keep the compiler
from stripping away the empty loop.  But the output still doesn't go

- Joe

Joe Strout -- address@hidden
Strout Custom Solutions, LLC

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