int sens;
int ROD = 12;
int PRESS = 11;
int DIRP = 3;
int LLENADO = 2;
int RelayTemp = 10;
int t = 1000;
int Extr10cm = 650;
int Extr17cm = 1000;
int Extr4cm = 250;
int MOVPRESS = 100;
int tSellado = 2000;
int i;
String inputString = "";
bool stringComplete = false;
int size;
int contador;


void setup() {
  Serial.begin(9600);
  pinMode(ROD,OUTPUT);
  pinMode(PRESS,OUTPUT);
  pinMode(DIRP,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(RelayTemp, OUTPUT);
  pinMode(LLENADO, OUTPUT);
}

void loop() {
  //Lectura de datos del sensor
  sens = analogRead(A0);
  Serial.println(sens);
  Serial.flush();
  delay(500);

  if(sens < 150){
    digitalWrite(RelayTemp, HIGH);
  }
  if (sens>   150){
    digitalWrite(RelayTemp,LOW);
  }
    if(sens >= 100){
      digitalWrite(13, HIGH);
      delay(500);

      if(inputString.equals("17cm")){
           size = Extr17cm;
           inputString = "";
        }
        else if(inputString.equals("10cm")){
           size = Extr10cm;
           inputString = "";
        }
        else if(inputString.equals("4cm")){
           size = Extr4cm;
           inputString = "";
        }
        if(inputString.equals("Fill")){
          digitalWrite(LLENADO,HIGH);
          inputString = "";
        }
        if(inputString.equals("unFill")){
          digitalWrite(LLENADO,LOW);
          inputString = "";
        }
        

        if(inputString.equals("On")){
             Serial.println("ExtOn");

          for(i=1; i<= size; i++){
            digitalWrite(ROD,HIGH);
            delayMicroseconds(t);
            digitalWrite(ROD,LOW);
            delayMicroseconds(t);
          }
            Serial.println("ExtOff");
            digitalWrite(DIRP,HIGH);

             Serial.println("PressOn");
  
          for(i=1; i<=MOVPRESS; i++){
            digitalWrite(PRESS,HIGH);
            delayMicroseconds(t);
            digitalWrite(PRESS,LOW);
            delayMicroseconds(t);
          }
            delay(tSellado);

            digitalWrite(5, HIGH);
            contador++;
            Serial.println(contador);
            delay(200);
            digitalWrite(5, LOW);
            delay(200);

            
            digitalWrite(DIRP,LOW);
            Serial.println("PressOff");
         for(i=1; i<=MOVPRESS; i++){
           digitalWrite(PRESS,HIGH);
           delayMicroseconds(t);
           digitalWrite(PRESS,LOW);
            delayMicroseconds(t);
         }
      }
       if(inputString.equals("OnOff")){
         inputString = "";
         stringComplete = false;
      }
     }

     else if(sens <= 100){
       digitalWrite(13, LOW);
       delay(500);
     }
        
}

void serialEvent(){
  while(Serial.available()){
    char inChar = (char)Serial.read();
    if(inChar == '\n'){
      stringComplete = true;
    }
    else{
      inputString += inChar;
    }
  }
}