const int dataPin = 11;   /* DS */
const int clockPin = 12;  /* SHCP */
const int latchPin = 8;  /* STCP */
const int P2 = 9;
const int P6 = 10;
const int P13 = 13;

byte dataK1;
byte dataArrayK1[11];
byte dataK2;
byte dataArrayK2[11];

void setup() {
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);

  pinMode(P2, OUTPUT);
  pinMode(P6, OUTPUT);
  pinMode(P13, OUTPUT);

  dataArrayK1[0] = 0xC1; //
  dataArrayK1[1] = 0xE1; //
  dataArrayK1[2] = 0xF1; //
  dataArrayK1[3] = 0xF8; //
  dataArrayK1[4] = 0xFA; //
  dataArrayK1[5] = 0xFA; //
  dataArrayK1[6] = 0x7E; //
  dataArrayK1[7] = 0x7E; //
  dataArrayK1[8] = 0x3E; //
  dataArrayK1[9] = 0x3E; //
  dataArrayK1[10] = 0x1E; //

  dataArrayK2[0] = 0x1D; //
  dataArrayK2[1] = 0x0D; //
  dataArrayK2[2] = 0x0D; //
  dataArrayK2[3] = 0x0D; //
  dataArrayK2[4] = 0x0C; //
  dataArrayK2[5] = 0x8C; //
  dataArrayK2[6] = 0x8C; //
  dataArrayK2[7] = 0xC8; //
  dataArrayK2[8] = 0xC8; //
  dataArrayK2[9] = 0xC2; //
  dataArrayK2[10] = 0xE2; //
}


void loop() {

  for (int j = 0; j <= 10; j++) {
    //load the light sequence you want from array
    dataK1 = dataArrayK1[j];
    dataK2 = dataArrayK2[j];
    //ground latchPin and hold low for as long as you are transmitting
    digitalWrite(latchPin, 0);
    //move 'em out
    shiftOut(dataPin, clockPin, dataK1);
    shiftOut(dataPin, clockPin, dataK2);
    //return the latch pin high to signal chip that it
    //no longer needs to listen for information
    digitalWrite(latchPin, 1);
    if (j>1){
      digitalWrite(P2, 0);
    }else{
      digitalWrite(P2, 1);
    }
    if (j>4){
      digitalWrite(P6, 0);
    }else{
      digitalWrite(P6, 1);
    }
    if (j>7){
      digitalWrite(P13, 1);
    }else{
      digitalWrite(P13, 0);
    }
    delay(1000);
  }
  blinkAll_2Bytes(3, 500) ;
  delay(1000);
}

void shiftOut(int myDataPin, int myClockPin, byte myDataOut) 
{
  // This shifts 8 bits out MSB first,
  //on the rising edge of the clock,
  //clock idles low
  //internal function setup
  int i=0;
  int pinState;
  pinMode(myClockPin, OUTPUT);
  pinMode(myDataPin, OUTPUT);
  //clear everything out just in case to
  //prepare shift register for bit shifting
  digitalWrite(myDataPin, 0);
  digitalWrite(myClockPin, 0);
  //for each bit in the byte myDataOut&#xFFFD;
  //NOTICE THAT WE ARE COUNTING DOWN in our for loop
  //This means that %00000001 or "1" will go through such
  //that it will be pin Q0 that lights.
  for (i=7; i>=0; i--)  {
    digitalWrite(myClockPin, 0);
    //if the value passed to myDataOut and a bitmask result
    // true then... so if we are at i=6 and our value is
    // %11010100 it would the code compares it to %01000000
    // and proceeds to set pinState to 1.
    if ( myDataOut & (1<<i) ) {
      pinState= 1;
    }
    else {
      pinState= 0;
    }
  //Sets the pin to HIGH or LOW depending on pinState
  digitalWrite(myDataPin, pinState);
  //register shifts bits on upstroke of clock pin
  digitalWrite(myClockPin, 1);
  //zero the data pin after shift to prevent bleed through
  digitalWrite(myDataPin, 0);
  }
  //stop shifting
  digitalWrite(myClockPin, 0);
}
//blinks the whole register based on the number of times you want to
//blink "n" and the pause between them "d"
//starts with a moment of darkness to make sure the first blink
//has its full visual effect.
void blinkAll_2Bytes(int n, int d) 
{
  digitalWrite(latchPin, 0);
  shiftOut(dataPin, clockPin, 0);
  shiftOut(dataPin, clockPin, 0);
  digitalWrite(latchPin, 1);
  delay(200);
  for (int x = 0; x < n; x++) {
    digitalWrite(latchPin, 0);
    shiftOut(dataPin, clockPin, 255);
    shiftOut(dataPin, clockPin, 255);
    digitalWrite(latchPin, 1);
    delay(d);
    digitalWrite(latchPin, 0);
    shiftOut(dataPin, clockPin, 0);
    shiftOut(dataPin, clockPin, 0);
    digitalWrite(latchPin, 1);
    delay(d);
  }
}