#include "Ultrasonic.h"
int capTRIG=13;
int capECHO=12;
int ledROUGE=7;
int ledJAUNE=6;
int ledVERTE=5;
int destance;

void setup(){
  pinMode(capTRIG,OUTPUT);
  pinMode(capECHO,INPUT);
  pinMode(ledROUGE,OUTPUT);
  pinMode(ledJAUNE,OUTPUT);
  pinMode(ledVERTE,OUTPUT);
}

int Mesureladistance() {
     digitalWrite(capTRIG,LOW);
     delayMicroseconds(2);
     digitalWrite(capTRIG,HIGH);
     delayMicroseconds(10);
     digitalWrite(capTRIG,LOW);

     int duree = pulseIn(capECHO, HIGH);

     int distanceCM = duree * 0.0343 / 2;

     return distanceCM;
}


void loop() {
  
  destance= Mesureladistance();

  if(destance<100){
     digitalWrite(ledROUGE,HIGH);
     digitalWrite(ledJAUNE,LOW);
     digitalWrite(ledVERTE,LOW);
  }
    else if(destance<300){
            digitalWrite(ledROUGE,LOW);
            digitalWrite(ledJAUNE,HIGH);
            digitalWrite(ledVERTE,LOW);
    }
       else{
               digitalWrite(ledROUGE,LOW);
               digitalWrite(ledJAUNE,LOW);
               digitalWrite(ledVERTE,HIGH);
       }

}