Subversion Repositories svnkaklik

#include <avr/io.h>
#include <inttypes.h>
#define F_CPU 1000000UL  // 1 MHz
#include <util/delay.h>

void delay_ms(unsigned int ms)
/* delay for a minimum of <ms> */
{
        // we use a calibrated macro. This is more
        // accurate and not so much compiler dependent
        // as self made code.
        while(ms){
                _delay_ms(0.96);
                ms--;
        }
}


/* new style */
int main(void)
{
          /* INITIALIZE */
          /* enable PC5 as output */
          DDRC|= (1<<DDC5);

          /* PC5 is 5 (see file include/avr/iom8.h) and 1<<PC5 is 00100000 
           * This can also be written as _BV(PC5)*/
          while (1) {
                      /* led on, pin=0 */
                      PORTC &= ~(1<<PC5);
                      delay_ms(100);
                      /* set output to 5V, LED off */
                      PORTC|= (1<<PC5);
                      delay_ms(1000);
          }
          return(0);
}