#define PIN_BUTON 5
#define LED_VERDE 4
#define LED_GALBEN 3
#define LED_ROSU 2
 
#define NIVEL_ALCOOL_VERDE 355
#define NIVEL_ALCOOL_GALBEN 500
#define NIVEL_ALCOOL_ROSU 700
 
int nivelAlcoolMaxim;
 
void setup() {
 
  Serial.begin(9600);
 
  pinMode(LED_VERDE, OUTPUT);
  pinMode(LED_GALBEN, OUTPUT);
  pinMode(LED_ROSU, OUTPUT);
  pinMode(PIN_BUTON, INPUT);
 
 
  digitalWrite(LED_VERDE, LOW);
  digitalWrite(LED_GALBEN, LOW);
  digitalWrite(LED_ROSU, LOW);
}
 
void loop() {
 
  int nivelAlcool = analogRead(0);
  if (nivelAlcool > nivelAlcoolMaxim) {
    nivelAlcoolMaxim = nivelAlcool;
  }
 
  //resetare masuratoare
  int buton = digitalRead(5);
  if (buton == 1){
    nivelAlcoolMaxim = 0;
    
    //delay vreme de 7 secunde pentru a da timp senzorului sa revina la normal
    for (int i=0;i<10;i++){
      digitalWrite(LED_VERDE, HIGH);
      digitalWrite(LED_GALBEN, HIGH);
      digitalWrite(LED_ROSU, HIGH);
      delay(700);
      digitalWrite(LED_VERDE, LOW);
      digitalWrite(LED_GALBEN, LOW);
      digitalWrite(LED_ROSU, LOW);
      delay(700);
    }
 
  }
 
  if (nivelAlcoolMaxim > NIVEL_ALCOOL_VERDE){
    digitalWrite(LED_VERDE, HIGH);
  }
  if (nivelAlcoolMaxim > NIVEL_ALCOOL_GALBEN){
    digitalWrite(LED_GALBEN, HIGH);
  }
  if (nivelAlcoolMaxim > NIVEL_ALCOOL_ROSU){
    digitalWrite(LED_ROSU, HIGH);
  }
 
  Serial.print(nivelAlcool);
  Serial.print(",");
}