int sensor; //proxy sensor variable
int inPin=23; //input pin for proxy (slide switch stand in)
int hazPin=12;//hazzard output pin
int motPin=13;//motor control output pin variable
//int gatePin=2;//safety gate input pin var
//int gate;//gate switch variable

//setup timer
unsigned long time_ms; // actual time (millis)
int waittime=14000; //rotate function interval in ms
long stamptime=0;// timer reference stamp time 
//long trigtime=0;

void setup() {
  
  //setup serial monitor
  Serial.begin(115200);
  //welcome message
  Serial.println("GOBIO");
  Serial.println("Auto Rotate Active");

pinMode(13, OUTPUT);    // sets the digital pin 13 as motor output
pinMode(23, INPUT);     // sets pin 23 as proximity sensor input signal
pinMode(12, OUTPUT);    // pin 12 to output - might need relay switch for hazzard signal beacon
//pinMode(2, INPUT);     //pin 22 to input for safety switch

//attachInterrupt(digitalPinToInterrupt(2),gateopen,RISING);  //  function for creating external interrupts at pin2 on Rising (LOW to HIGH)

//startup drum rotation
Rotate();
time_ms = millis();
stamptime=time_ms; // reset the counter

}

void loop() {
  time_ms = millis();

  //Serial.print("Time: ");
  
  //Serial.println(time_ms); 
  if(time_ms-stamptime>=waittime){//test if waittime has passed
  
    Rotate(); //call the rotate function
    stamptime=time_ms; // reset the counter
  }
   //else {

      
   // }
  //}


  
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation


}

void Rotate(){ //rotate function

digitalWrite(hazPin,HIGH);
Serial.println("Movement warning");
delay(3000);

//gate = digitalRead(gatePin);
//Serial.println(gate);

//if(gate==0){
    digitalWrite(motPin,HIGH);
    Serial.println("Drum rotating");
    delay(2000);


sensor = digitalRead(inPin);   // read the proxy input pin assign to sensor
  //Serial.println(sensor); //print sensor value
  if(sensor==1){//check if input is high (proxy input is normally high)
    //Serial.println("Drum rotating");
  
    while(sensor==1){
   // Serial.println(sensor);
   digitalWrite(motPin,HIGH);
   sensor = digitalRead(inPin);
   //gate = digitalRead(gatePin); //potentially redundant
   //Serial.println("Drum Rotating");
    }
  }
digitalWrite(13,LOW);
Serial.println("Drum Stationary");
digitalWrite(hazPin,LOW);
return;
}
//Serial.println("Gate hazzard switch");


//void gateopen()           //ISR function excutes when gate microswitch is open