const int dataPin = 19;   /* Q7 */
const int clockPin = 18;  /* CP */
const int latchPin = 21;  /* PL */

byte numBits = 8;   /* Set to 8 * number of shift registers */

int latchPinRed = 33;  // Latch pin of 74HC595 is connected to Digital pin 5
int clockPinRed = 32; // Clock pin of 74HC595 is connected to Digital pin 6
int dataPinRed = 25;  // Data pin of 74HC595 is connected to Digital pin 4

byte ledsRed = 0;// Variable to hold the pattern of which LEDs are currently turned on or off

int pb1 = 2;
int pb2 = 4;
int pb3 = 5;
int a = 0;
int b = 0;
int c = 0;
int i = 0;

int bit0 = 0;
int bit1 = 0;
int bit2 = 0;
int bit3 = 0;
int bit4 = 0;
int bit5 = 0;
int bit6 = 0;
int bit7 = 0;



unsigned long current_time = 0;
int PC1_OnPulse = 1000;
int PC2_OnPulse = 1000;

void setup()
{
  Serial.begin(115200);

  pinMode(dataPin, INPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);


  // Set all the pins of 74HC595 as OUTPUT
  pinMode(latchPinRed, OUTPUT);
  pinMode(dataPinRed, OUTPUT);
  pinMode(clockPinRed, OUTPUT);

  pinMode(pb1, INPUT_PULLUP);
  pinMode(pb2, INPUT_PULLUP);
  pinMode(pb3, INPUT_PULLUP);


}


void loop() {

  digitalWrite(latchPin, LOW);
  digitalWrite(latchPin, HIGH);

  Serial.print("Bits: ");
  for (i = 0; i < numBits; i++) {
    int bit = digitalRead(dataPin);
    if (bit == HIGH) {
        if(i == 0 and bit == HIGH) bit0 = 1;
        if(i == 1 and bit == HIGH) bit1 = 1;
        if(i == 2 and bit == HIGH) bit2 = 1;
        if(i == 3 and bit == HIGH) bit3 = 1;
        if(i == 4 and bit == HIGH) bit4 = 1;
        if(i == 5 and bit == HIGH) bit5 = 1;
        if(i == 6 and bit == HIGH) bit6 = 1;
        if(i == 7 and bit == HIGH) bit7 = 1;
      Serial.print("1");
    } else {
        if(i == 0 and bit == LOW) bit0 = 0;
        if(i == 1 and bit == LOW) bit1 = 0;
        if(i == 2 and bit == LOW) bit2 = 0;
        if(i == 3 and bit == LOW) bit3 = 0;
        if(i == 4 and bit == LOW) bit4 = 0;
        if(i == 5 and bit == LOW) bit5 = 0;
        if(i == 6 and bit == LOW) bit6 = 0;
        if(i == 7 and bit == LOW) bit7 = 0;
      Serial.print("0");
    }
    //delay(500);
    digitalWrite(clockPin, HIGH); // Shift out the next bit
    digitalWrite(clockPin, LOW);
  }

Serial.print(" bit0=");
Serial.print(bit0);
Serial.print(" bit1=");
Serial.print(bit1);
Serial.print(" bit2=");
Serial.print(bit2);
Serial.print(" bit3=");
Serial.print(bit3);
Serial.print(" bit4=");
Serial.print(bit4);
Serial.print(" bit5=");
Serial.print(bit5);
Serial.print(" bit6=");
Serial.print(bit6);
Serial.print(" bit7=");
Serial.print(bit7);


if (bit0 == 1){
  Serial.print("  aasd  ");
    current_time = millis();
    bitSet(ledsRed, 7);
}

if (millis() >= current_time + PC1_OnPulse){
  bitClear(ledsRed, 7);
}


a = digitalRead(pb1);
b = digitalRead(pb2);
c = digitalRead(pb3);

if (a == LOW) {
  bitSet(ledsRed, 0);
  Serial.print(" Lamp 1 On");
  updateShiftRegister();
  } else {
  bitClear(ledsRed, 0);
  Serial.print(" Lamp 1 Off");
  updateShiftRegister();
}


if (b == LOW) {
  bitSet(ledsRed, 1);
  Serial.print(" Lamp 2 On");
  updateShiftRegister();
  } else {
  bitClear(ledsRed, 1);
  Serial.print(" Lamp 2 Off");
  updateShiftRegister();
  }

if (c == LOW) {
  bitSet(ledsRed, 2);
  Serial.print(" Lamp 3 On");
  updateShiftRegister();
  } else {
  bitClear(ledsRed, 2);
  Serial.print(" Lamp 3 Off");
  updateShiftRegister();
  }
  Serial.println();
}


void updateShiftRegister()
{
  digitalWrite(latchPinRed, LOW);
  shiftOut(dataPinRed, clockPinRed, MSBFIRST, ledsRed);
  digitalWrite(latchPinRed, HIGH);
}