On 11/26/14 11:46, Andreas Höschler wrote:
#define F_CPU 16000000UL /* 16 MHz CPU clock */
#include <util/delay.h>
#define OUTPUTPORT PORTB
#define OUTPUTPIN PB7
int main (void)
{
DDRB = 0xff; // all outputs
while (1) /* loop forever */
{
if ((PORTB & _BV(PB7)) > 0) PORTB &= ~_BV(PB7);
else PORTB |= _BV(PB7);
delay_ms(500);
}
return (0);
}
A couple coding problems.
You need to include avr/io.h to get port definitions.
delay_ms(500) should be _delay_ms(500)
Tom Dean
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