Arduino_zajęcia_2_zadanie_2_v2

int pattern = 0b0000000000000111;
int length = 3;
int _delay = 1000;
int loopLength = 8 - length;

void setup() {
  Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
}




void loop()
{
    int currentPattern = pattern;
    for( int i=0; i<loopLength; i++ )
    {
        for(int b = 0; b<8; b++)
        {
            int high = bitRead( currentPattern,b );
            if ( high )
            {
                digitalWrite( b + 2, HIGH );
            }
            else
            {
                digitalWrite( b + 2, LOW );
            }
        }
        currentPattern = currentPattern << 1;
        delay( _delay );
    }

    for( int i=0; i<loopLength; i++ )
    {
        for(int b = 0; b<8; b++)
        {
            int high = bitRead( currentPattern, b );
            if ( high == 1 )
            {
                digitalWrite( b + 2, HIGH );
            }
            else
            {
                digitalWrite( b + 2, LOW );
            }
        }
        currentPattern = currentPattern >> 1;
        delay( _delay );
    }
 }