#define R1 2
#define O1 1
#define V1 0
#define R0 5
#define O0 4
#define V0 3
#define BTN 10

void setup () {
  pinMode (BTN, INPUT) ;
  pinMode (R0, OUTPUT) ;
  pinMode (O0, OUTPUT) ;
  pinMode (V0, OUTPUT) ;
  pinMode (R1, OUTPUT) ;
  pinMode (O1, OUTPUT) ;
  pinMode (V1, OUTPUT) ;
}

void clignotageDouble(int LED1, int LED2, int fois = 2){
  for(int i = 0; i<fois; i++){
    digitalWrite(LED1, 1);
    digitalWrite(LED2, 1);
    delay(500);
    digitalWrite(LED1, 0);
    digitalWrite(LED2, 0);
    delay(500);
  }
}

void clignotage(int LED, int fois = 2){
  for(int i = 0; i<fois; i++){
    digitalWrite(LED, 1);
    delay(500);
    digitalWrite(LED, 0);
    delay(500);
  }
}
 
// Chenillard
void loop () {
  if( digitalRead(BTN) == LOW ){
    //Mode Nuit
    clignotageDouble(O0, O1);
  }
  else {
    //Mode Jour
    digitalWrite(R0, 1);
    digitalWrite(V1, 1);
    delay(3000);
    digitalWrite(V1, LOW);
    clignotage(O1);
    digitalWrite(R0, 0);
    digitalWrite(V0, 1);
    digitalWrite(R1, 1);
    delay(3000);
    digitalWrite(V0, 0);
    clignotage(O0);
    digitalWrite(R1, 0);
  }
}