Select Git revision
Forked from
Peter Gerwinski / hp
Source project has a limited visibility.
blink-8.c 374 B
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdint.h>
ISR (INT0_vect) /* PD2 */
{
PORTD ^= 0x40;
}
int main (void)
{
cli ();
EICRA = 1 << ISC00 | 1 << ISC01; /* INT0: steigende Flanke */
EIMSK = 1 << INT0; /* INT0 einschalten */
sei ();
DDRD = 0xff; /* binär: 1111 1111 */
PORTD = 0x40; /* binär: 0100 0000 */
while (1);
return 0;
}