//RGB Paper Blinky 
typedef struct {
	char portB; char directionB;		
}S_segment_port;

S_segment_port SegmentDrive[5] ={
//  PORTB          DDRB    
    0,             0,               //green
    (1<<0),        (1<<1 | 1<<0),   //blue
    (1<<1),        (1<<1 | 1<<0),   //white
    (1<<1),        (1<<2 | 1<<1),   //red
    (1<<2),        (1<<2 | 1<<1),   //green
};

void flash(unsigned char led, unsigned int time){ 
   DDRB = SegmentDrive[led].directionB;
   PORTB = SegmentDrive[led].portB;
   delay(time);
   DDRB = SegmentDrive[0].directionB;
   PORTB = SegmentDrive[0].portB;
}

#define blue         1
#define white        2
#define red          3
#define green        4

void setup() {}

#define ms_delay  1

void loop() { 
  flash(red,ms_delay);
  flash(green,ms_delay);
  flash(blue,ms_delay);
  flash(white,ms_delay);
}