//MODIFY PIN NUMBERS BASED ON YOUR CIRCUIT CONNECTIONS
#define DATA_PIN  8  // Pin connected to DS of 74HC595
#define LATCH_PIN 9  // Pin connected to STCP of 74HC595
#define CLOCK_PIN 10 // Pin connected to SHCP of 74HC595

// How many of the shift registers
#define NUM_SHIFT_REGS 1 //number of IC used
#define true HIGH
#define false LOW

const uint8_t numOfRegisterPins = NUM_SHIFT_REGS * 8;

bool registers[numOfRegisterPins];

void SR_Init() {
  pinMode(DATA_PIN, OUTPUT);
  pinMode(CLOCK_PIN, OUTPUT);
  pinMode(LATCH_PIN, OUTPUT);
  clearRegisters();
}

bool toggle = false;


void clearRegisters() {
  // Reset all register pins
  for (int i = numOfRegisterPins; i >= 0; i--) {
    registers[i] = LOW;
  }
  writeRegisters();
}

void setRegisterPin(int index, int value) {
  // Set an individual pin HIGH or LOW
  registers[index] = value;
}

void writeRegisters() {
  // Set and display registers
  digitalWrite(LATCH_PIN, LOW);

  for (int i = numOfRegisterPins; i >= 0; i--) {
    digitalWrite(CLOCK_PIN, LOW);
    digitalWrite(DATA_PIN, registers[i]);
    digitalWrite(CLOCK_PIN, HIGH);
  }

  digitalWrite(LATCH_PIN, HIGH);
}

void write(int pinNumber, bool mode)
{
  registers[pinNumber - 1] = mode;
  writeRegisters();
}


//separate file
#include <"SR_iParol.h">
void setup()
{
SR_Init();
}

void loop()
{
// this is where you paste your sketch
//change digitalWrite to write
write(0,HIGH);
}