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blink-3.c

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  • blink-3.c 259 B
    #include <avr/io.h>
    
    #define F_CPU 16000000
    #include <util/delay.h>
    
    int main (void)
    {
      DDRD = 0x7c;
      PORTD = 0x40;
      while (1)
        {
          while ((PIND & 0x02) == 0)
            ; /* just wait */
          PORTD ^= 0x40;
          _delay_ms (200);
        }
      return 0;
    }