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RE: [avr-gcc-list] very simple program
From: |
niklo |
Subject: |
RE: [avr-gcc-list] very simple program |
Date: |
Sun, 2 Oct 2005 20:11:24 +0200 |
Only if you don't want to change the rest of the port!
/niklo
-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of
Parthasaradhi Nayani
Sent: den 2 oktober 2005 19:35
To: Timothy Smith; avr-gcc
Subject: Re: [avr-gcc-list] very simple program
Hello,
In order to set the bit, you need to logical OR the
bit.
DDRB |= _BV (PB0);
to clear it
DDRB &= ~_BV(PB0);
Nayani
> > 4: undefined reference to `__stack'
> >
> >
> > #include <avr/io.h>
> >
> > int
> > main(void){
> > while (1) {
> > DDRB = _BV(PB0);
> > };
> > }
> >
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