fonctiondelay

boolean volatile clignote=1;
boolean volatile led=1;
void setup(){
  cli();
  TCCR1A = 0;TCCR1C = 0;TCNT1 = 0;
  TCCR1B = ( 1<<WGM12) | (1<<CS12) | (0<<CS11) | (1<<CS10) ;
  OCR1A = 3680;
  TIMSK1 = 1 << OCIE1A;
  sei();
 }
void loop() {
delay(5000); //la led clignote pendant 5s
clignote=0;digitalWrite(13,0);
delay(5000); //la led est éteinte pendant 5s
clignote=1;
}
ISR(TIMER1_COMPA_vect)
{if (clignote==1){digitalWrite(13,led);led=!led;}}