//Pin connected to ST_CP of 74HC595

int latchPin = 10;

//Pin connected to SH_CP of 74HC595

int clockPin = 11;

////Pin connected to DS of 74HC595

int dataPin = 9;



//holders for infromation you're going to pass to shifting function

byte dataRED;

byte dataGREEN;

byte dataBLUE;

byte dataArrayRED[10];

byte dataArrayGREEN[10];

byte dataArrayBLUE[10];



void setup() {

 //set pins to output because they are addressed in the main loop

 pinMode(latchPin, OUTPUT);

 Serial.begin(9600);



 //Arduino doesn't seem to have a way to write binary straight into the code 

 //so these values are in HEX.  Decimal would have been fine, too. 

 dataArrayRED[0] = 0xFF; //11111111

 dataArrayRED[1] = 0xFE; //11111110

 dataArrayRED[2] = 0xFC; //11111100

 dataArrayRED[3] = 0xF8; //11111000

 dataArrayRED[4] = 0xF0; //11110000

 dataArrayRED[5] = 0xE0; //11100000

 dataArrayRED[6] = 0xC0; //11000000

 dataArrayRED[7] = 0x80; //10000000

 dataArrayRED[8] = 0x00;



 //Arduino doesn't seem to have a way to write binary straight into the code 

 //so these values are in HEX.  Decimal would have been fine, too. 

 dataArrayGREEN[0] = 0xFF; //11111111

 dataArrayGREEN[1] = 0xFE; //01111111

 dataArrayGREEN[2] = 0xFC; //00111111

 dataArrayGREEN[3] = 0xF8; //00011111

 dataArrayGREEN[4] = 0xF0; //00001111

 dataArrayGREEN[5] = 0xE0; //00000111

 dataArrayGREEN[6] = 0xC0; //00000011

 dataArrayGREEN[7] = 0x80; //00000001

 dataArrayGREEN[8] = 0x00;

 

 dataArrayBLUE[0] = 0xFF;

 dataArrayBLUE[1] = 0xFE;

 dataArrayBLUE[2] = 0xFC;

 dataArrayBLUE[3] = 0xF8;

 dataArrayBLUE[4] = 0xF0;

 dataArrayBLUE[5] = 0xE0;

 dataArrayBLUE[6] = 0xC0;

 dataArrayBLUE[7] = 0x80;

 dataArrayBLUE[8] = 0x00;



 //function that blinks all the LEDs

 //gets passed the number of blinks and the pause time

 blinkAll_2Bytes(2,1000); 

}



void loop() {





 for (int j = 0; j < 10; j++) {

   //load the light sequence you want from array

   dataRED = dataArrayRED[j];

   dataGREEN = dataArrayGREEN[j];

   dataBLUE = dataArrayBLUE[j];

   //ground latchPin and hold low for as long as you are transmitting

   digitalWrite(latchPin, 1);

   //move 'em out

   shiftOut(dataPin, clockPin, dataGREEN);   

   shiftOut(dataPin, clockPin, dataRED);

   shiftOut(dataPin, clockPin, dataBLUE);

   //return the latch pin high to signal chip that it 

   //no longer needs to listen for information

   digitalWrite(latchPin, 0);

   delay(300);

 }

}







// the heart of the program

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�

 //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);

 }

}