//**************************************************************//
//  Name    : shiftOutCode, Hello World                         //
//  Author  : Carlyn Maw,Tom Igoe                               //
//  Date    : 25 Oct, 2006                                      //
//  Version : 1.0                                               //
//  Notes   : Code for using a 74HC595 Shift Register           //
//          : to count from 0 to 255                            //
//****************************************************************

#define LATCH_PIN1 8 //ST_CP
#define CLOCK_PIN1 12 //SH_CP
#define DATA_PIN1 11 //DS

#define LATCH_PIN2 7 //ST_CP
#define CLOCK_PIN2 10 //SH_CP
#define DATA_PIN2 9 //DS

#define DELAY_MS 10

//Pin connected to ST_CP of 74HC595
int latchPin = 8;
//Pin connected to SH_CP of 74HC595
int clockPin = 12;
////Pin connected to DS of 74HC595
int dataPin = 11;

byte character[] = {
  0b01000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000
};

void x_write(byte data){
  digitalWrite(LATCH_PIN1, LOW);
  shiftOut(DATA_PIN1, CLOCK_PIN1, LSBFIRST, ~data);
  digitalWrite(LATCH_PIN1, HIGH);
}

void y_write(byte data){
  digitalWrite(LATCH_PIN2, LOW);
  shiftOut(DATA_PIN2, CLOCK_PIN2, LSBFIRST, data);
  digitalWrite(LATCH_PIN2, HIGH);
}



void setup() {
  //set pins to output because they are addressed in the main loop
  pinMode(LATCH_PIN1, OUTPUT);
  pinMode(CLOCK_PIN1, OUTPUT);
  pinMode(DATA_PIN1, OUTPUT);

  pinMode(LATCH_PIN2, OUTPUT);
  pinMode(CLOCK_PIN2, OUTPUT);
  pinMode(DATA_PIN2, OUTPUT);

  
  Serial.begin(9600);

}

void loop() {

  delay(10);
  
  for(int i = 0; i < 7; i++){
    x_write(pow(2, i) );
    y_write(character[i]);
    delay(DELAY_MS);

  }

}