/*
  Input Relay Alpha

  dewdude@gmail.com - 28-12-2019
  
 */

int latchPin = 11;
int clockPin = 9;
int dataPin = 12;
int matrix = A0;

byte out = 0;
int mx = 0;
void updateShiftRegister()
{
   digitalWrite(latchPin,LOW);
   shiftOut(dataPin, clockPin, LSBFIRST, out);
   digitalWrite(latchPin, HIGH);
}
void setTape2()
{
  out = 0;
  updateShiftRegister();
  bitSet(out,5);
  updateShiftRegister();
}
void setTape1()
{
  out = 0;
  updateShiftRegister();
  bitSet(out,4);
  updateShiftRegister();
}
void setAUX()
{
  out = 0;
  updateShiftRegister();
  bitSet(out,3);
  updateShiftRegister();
}
void setTune()
{
  out = 0;
  updateShiftRegister();
  bitSet(out,2);
  updateShiftRegister();
}
void setPh1()
{
  out = 0;
  updateShiftRegister();
  bitSet(out,1);
  updateShiftRegister();
}

void setup()
{
  pinMode(latchPin, OUTPUT);
  pinMode(dataPin, OUTPUT);  
  pinMode(clockPin, OUTPUT);
// Serial.begin(9600);
// Serial.print("Setting default output");
  bitSet(out,6);
 updateShiftRegister();
// Serial.print("Scanning Matrix");
}

void loop() {
  // put your main code here, to run repeatedly:
int mx = analogRead(matrix);
  if (mx > 100 && mx < 200) setTape2();
  if (mx > 500 && mx < 600) setTape1();
  if (mx > 900 && mx < 950) setAUX();
  if (mx > 1000) setTune();
  if (mx > 820 && mx < 899) setPh1();

// Serial.println(mx);
delay(200);
}