فلاشر افکت دار با Attiny13 در کدویژن

while (1)
      {
      // Place your code here
      PORTB.0=0;//led off
      delay_ms(500);//0.5 second delay     
      PORTB.0=1;//led on
      delay_ms(500);//0.5 second delay
      }
}

while (1)
      {
      // Place your code here 
      //100  4
      //010  2
      //001  1
      PORTB=4;
      delay_ms(200);  
      PORTB=2;
      delay_ms(200);
      PORTB=1; 
      delay_ms(200);
      }
}

while (1)
      {
      // Place your code here
      //10000   10
      //01000   8                                          
      //00100   4
      //00010   2  
      //00001   1
      int i;
      PORTB=0x1;
      for(i=0;i<5;i++){
        delay_ms(200); 
        PORTB<<=1; 
      }
      }
}

while (1)
      {
      //fading in 1 second 
      float c=30; 
      int i,a,b;
      // Fade-in
      for (i = 0; i < c; i++) {
            a=(float)i*(40.0/c);
            b=40-a;
            PORTB.0=1;          
            delay_ms(a);  
            PORTB.0=0; 
            delay_ms(b);           
      }     
      // Fade-out
      for (i = c; i > 0; i--) {
            a=(float)i*(40.0/c);
            b=40-a;
            PORTB.0=1;          
            delay_ms(a);  
            PORTB.0=0; 
            delay_ms(b);           
      }
      }
}