Re: [avr-gcc-list] lack of interruption

[jeffrey traer bernstein]

thanks!

On Tue, 2004-11-23 at 01:28, Julius Luukko wrote:
> On Monday 22 November 2004 20:34, jeffrey traer bernstein wrote:
> > #include <avr/io.h>
> > #include <avr/interrupt.h>
> >
> > void SIGNAL( SIG_OVERFLOW0 )
> > {
> >     PORTA = 0x00;
> > }
> >
> >
> > int main()
> > {
> >   DDRA = 0xff;
> >   PORTA = 0x01;  
> >
> >   TIMSK = _BV(TOIE0);
> >   TCCR0 = 0x05;
> >   TCNT0 = 0;
> >
> >   sei();
> >
> >   while ( 1 );
> >
> >   return 0;
> > }
> 
> Hello,
> 
> Your code lacks
> 
> #include <avr/signal.h>
> 
> and additionally the ISR should be defined as
> 
> SIGNAL( SIG_OVERFLOW0 )
> {
>      PORTA = 0x00;
> }
> 
> Your version did not put anything into the interrupt vector table.