/*
  Lezione 21: Blinking led senza delay
  Impiego della funzione millis() per fare lampeggiare un led
  Creato 20 Mar 2020
  da Andrea Primavera
*/
 
int pinLed    = 9;      // Pin LED
int stateLed  = LOW;    // Stato del LED (LOW/HIGH) 
int puls1 = 2;
int pulsante1_stato = HIGH;
unsigned long previousMillis  = 0; 
 unsigned long currentMillis = 0;       // Utilizzata per memorizzare il tempo del ciclo precedente
const long interval           = 500;     // Tempo in millisecondi utilizzato per fare lampeggiare il led
bool stato_puls1 = false;
void setup() {

  pinMode(pinLed, OUTPUT);
  pinMode(puls1, INPUT);
  Serial.begin(9600);
  int pulsante1_stato = digitalRead(puls1);
  Serial.println(pulsante1_stato);
}

void loop() {
   pulsante1_stato = digitalRead(puls1);
     delay(100);     
  if (pulsante1_stato == LOW) {

// switch is pressed - pullup keeps pin high normally
                  // delay to debounce switch
    stato_puls1 = !stato_puls1;  
    stateLed = stato_puls1;
    
    if (stateLed == LOW) {
      stateLed = HIGH;
    } else {
      stateLed = LOW;
    }

    digitalWrite(pinLed, stateLed);           // toggle running variable
   // digitalWrite(pinLed, stato_puls1);  // indicate via LED
  }
}
/*if (pulsante1_stato == 0 ){


currentMillis = millis();

  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
Serial.println(previousMillis);
 Serial.println(pulsante1_stato);
    if (stateLed == LOW) {
      stateLed = HIGH;
    } else {
      stateLed = LOW;
    }

    digitalWrite(pinLed, stateLed);
  }
}
currentMillis = millis();
int delayMillis = currentMillis + 1000;
Serial.println("123");
if (currentMillis - delayMillis >=1000){
if (stateLed == LOW) {
      stateLed = HIGH;
    } else {
      stateLed = LOW;
    }

    digitalWrite(pinLed, stateLed);

}


 /* if (pulsante1_stato == 1){
currentMillis = millis();

if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
Serial.println(previousMillis);
 Serial.println(pulsante1_stato);
    if (stateLed == LOW) {
      stateLed = HIGH;
    } else {
      stateLed = LOW;
    }

    digitalWrite(pinLed, stateLed);
  }

  }

 /*
// switch is pressed - pullup keeps pin high normally
    delay(100);                     // delay to debounce switch
    running = !running;             // toggle running variable
    digitalWrite(pinLed, running);  // indicate via LED
  }



}
*/