String inputString = "";   // chaine de caractères pour contenir les données
boolean stringComplete = false;  // pour savoir si la chaine est complète
String fct ="";
String arg="";
int index;
 
#include <Tone.h>
Tone freq1;
Tone freq2;
 
void setup() {
  Serial.begin(9600);     // port série
  freq1.begin(9);
  freq2.begin(10);
}
 
void loop() {
  if (stringComplete) {
    //Serial.println(inputString); 
    index = inputString.indexOf(' '); // on récupère la position du séparateur (l'espace " ")
    fct = inputString.substring(0,index); // on coupe la chaine en deux : la fonction et l'argument
    arg = inputString.substring(index,inputString.length());
 
    if (fct == "LED10") {
      freq2.play(arg.toInt(),300);
    }
    else if (fct == "LED9") {
      freq1.play(arg.toInt(),300);   
    }
 
    inputString = "";            // vide la chaine
    stringComplete = false;
  }
}
 
/*
  SerialEvent est déclenché quand de nouvelles données sont reçues. 
  Cett routine tourne entre chaque loop(), donc utiliser un delay la fait aussi attendre
 */
void serialEvent() {
  while (Serial.available()) {
    char inChar = (char)Serial.read(); // Récupérer le prochain octet (byte ou char)
    inputString += inChar; // concaténation des octets
    if (inChar == '\n') {  // caractère de fin pour notre chaine
      stringComplete = true;
    }
  }
}

// 3 led au pin 11/12/13 jouant a la noire, croche et triolet
// un potentiometre 10k en A0 : controle le tempo général...
// une photo resistance en A1 : controle un effet de delay
 
#define led1 11   //
#define led2 12  //pin for each led
#define led3 13  //pin for each led
#define factor 6  //pin for each led
 
unsigned long previousMillis[3]; //[x] = number of leds
 
void setup() { 
  pinMode(led1, OUTPUT);   
  pinMode(led2, OUTPUT);  
  pinMode(led3, OUTPUT);  
 
  Serial.begin(9600);
}
void loop() {
 
int sensorValue = analogRead(A0);
sensorValue = map(sensorValue, 0, 1023, 0, 2000);
 
  if(sensorValue > 1990) { 
sensorValue == 10000;
}
int sensorValueB = analogRead(A1);
sensorValueB = map(sensorValueB, 0, 1023, 1023, 0);
 
  if(sensorValueB > 800) { 
 BlinkLedSimple(led1, sensorValue, 0,sensorValueB);   //BlinkLed( which led, interval, one of the stored prevMillis
 BlinkLedSimple(led2, sensorValue/3, 1,sensorValueB);  //last parameters must be different for each led
 BlinkLedSimple(led3, sensorValue/2, 2,sensorValueB); 
}
 
  if(sensorValueB > 400 && sensorValueB < 800 ) { 
 BlinkLed(led1, sensorValue, 0,sensorValueB);   //BlinkLed( which led, interval, one of the stored prevMillis
 BlinkLed(led2, sensorValue/3, 1,sensorValueB);  //last parameters must be different for each led
 BlinkLed(led3, sensorValue/2, 2,sensorValueB); 
}
 
  if(sensorValueB < 400) { 
 BlinkLedSuper(led1, sensorValue, 0,sensorValueB);   //BlinkLed( which led, interval, one of the stored prevMillis
 BlinkLedSuper(led2, sensorValue/3, 1,sensorValueB);  //last parameters must be different for each led
 BlinkLedSuper(led3, sensorValue/2, 2,sensorValueB); 
}
 
Serial.print("potentiometre");
  Serial.println(sensorValue);
 
Serial.print("ldr");
  Serial.println(sensorValueB);
  delay(1); 
 
 
}
 
///Simple blink
  void BlinkLedSimple (int led, int interval, int array, int pwm){    
   if (((long)millis() - previousMillis[array]) >= interval){ 
    previousMillis[array]= millis(); //stores the millis value in the selected array
       digitalWrite(led, !digitalRead(led)); //changes led state
  }}
 
///delayyyy blink
void BlinkLed (int led, int interval, int array, int pwm){   
   if (((long)millis() - previousMillis[array]) >= interval){ 
 
    previousMillis[array]= millis(); //stores the millis value in the selected array
 
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
  }
}
 
///super delayyyy blink
void BlinkLedSuper (int led, int interval, int array, int pwm){   
   if (((long)millis() - previousMillis[array]) >= interval){ 
 
    previousMillis[array]= millis(); //stores the millis value in the selected array
 
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
        delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
        delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
        delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
    delay (pwm/factor);
    digitalWrite(led, !digitalRead(led)); //changes led state
  }
}