From: Andrea Manni <andrea@piffa.net>
Date: Wed, 29 Apr 2015 23:45:27 +0000 (+0200)
Subject: cleanup multitasking
X-Git-Url: http://git.piffa.net/web?p=sketchbook_andrea;a=commitdiff_plain;h=929cf678b6e52050584cb43055194830edc5523f

cleanup multitasking
---

diff --git a/multitasking/BlinkWithoutDelay_1/BlinkWithoutDelay_1.ino b/multitasking/BlinkWithoutDelay_1/BlinkWithoutDelay_1.ino
index bbed9de..605947d 100644
--- a/multitasking/BlinkWithoutDelay_1/BlinkWithoutDelay_1.ino
+++ b/multitasking/BlinkWithoutDelay_1/BlinkWithoutDelay_1.ino
@@ -14,6 +14,7 @@
  by David A. Mellis
  modified 8 Feb 2010
  by Paul Stoffregen
+ modified by eaman
  
  This example code is in the public domain.
 
@@ -46,11 +47,10 @@ void loop()
   // difference between the current time and last time you blinked 
   // the LED is bigger than the interval at which you want to 
   // blink the LED.
-  unsigned long currentMillis = millis();
  
-  if(currentMillis - previousMillis > interval) {
+  if(millis() - previousMillis > interval) {
     // save the last time you blinked the LED 
-    previousMillis = currentMillis;   
+    previousMillis = millis();   
 
     // if the LED is off turn it on and vice-versa:
     if (ledState == LOW)
@@ -65,5 +65,5 @@ void loop()
 
 /* Domande
    1. Aggioungere un LED che brilli ogni 500ms
-   2. E' possibile cambiare gli intervalli dei due LED?
+   2. E' ora agevole cambiare gli intervalli dei due LED?
    */
diff --git a/multitasking/BlinkWithoutDelay_2_1_led_funzione/BlinkWithoutDelay_2_1_led_funzione.ino b/multitasking/BlinkWithoutDelay_2_1_led_funzione/BlinkWithoutDelay_2_1_led_funzione.ino
deleted file mode 100644
index 7b812ee..0000000
--- a/multitasking/BlinkWithoutDelay_2_1_led_funzione/BlinkWithoutDelay_2_1_led_funzione.ino
+++ /dev/null
@@ -1,88 +0,0 @@
-/* Blink without Delay
- 
- Soluzione
- 
-  3. Provare a isolare il codice per accendere ogni singolo led in una funzione:
-    Quali variabili determinano il comportamento del LED?
-    Sono globali o locali?
-    
- */
-
-// constants won't change. Used here to 
-// set pin numbers:
-
-// First LED
-const int ledA =  13;      // the number of the LED pin
-
-// Variables will change:
-int ledStateA = LOW;             // ledState used to set the LED
-
-long previousMillisA = 0;        // will store last time LED was updated
-
-// the follow variables is a long because the time, measured in miliseconds,
-// will quickly become a bigger number than can be stored in an int.
-long intervalA = 1000;           // interval at which to blink (milliseconds)
-
-// Second LED
-int ledB = 12; //Secondo LED
-int ledStateB = LOW;             // ledState used to set the LED
-long previousMillisB = 0;        // will store last time LED was updated
-long intervalB = 500;           // interval at which to blink (milliseconds)
-
-
-void setup() {
-  // set the digital pin as output:
-  pinMode(ledA, OUTPUT);      
-  pinMode(ledB, OUTPUT);  
-}
-
-void loop()
-{
-  lightLedA();
-  lightLedB();
-}
-
-
-// Funzioni
-
-void lightLedA () {
-  if(millis() - previousMillisA > intervalA) {
-    // save the last time you blinked the LED 
-    previousMillisA = millis();   
-
-    // if the LED is off turn it on and vice-versa:
-    if (ledStateA == LOW)
-      ledStateA = HIGH;
-    else
-      ledStateA = LOW;
-    // set the LED with the ledState of the variable:
-    digitalWrite(ledA, ledStateA);
-  }
-
-}
-
-void lightLedB () {
-  if(millis() - previousMillisB > intervalB) {
-    // save the last time you blinked the LED 
-    previousMillisB = millis();   
-
-    // if the LED is off turn it on and vice-versa:
-    if (ledStateB == LOW)
-      ledStateB = HIGH;
-    else
-      ledStateB = LOW;
-    // set the LED with the ledState of the variable:
-    digitalWrite(ledB, ledStateB);
-  }
-}
-
-
-/* Domande
- 2. Inserire un secondo LED con intervallo 500ms
- 1. Trasformare il codice utilizzato in una State Machine
- */
-
-
-
-
-
diff --git a/multitasking/BlinkWithoutDelay_2_2_led_funzione_argomento/BlinkWithoutDelay_2_2_led_funzione_argomento.ino b/multitasking/BlinkWithoutDelay_2_2_led_funzione_argomento/BlinkWithoutDelay_2_2_led_funzione_argomento.ino
deleted file mode 100644
index 7685471..0000000
--- a/multitasking/BlinkWithoutDelay_2_2_led_funzione_argomento/BlinkWithoutDelay_2_2_led_funzione_argomento.ino
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Blink without Delay
- Soluzione
- 
- Introdotto un argomento per la funzione che nodifica l'intervallo di lampeggio
- 
- */
-
-// constants won't change. Used here to 
-// set pin numbers:
-
-// First LED
-const int ledA =  13;      // the number of the LED pin
-
-// Variables will change:
-int ledStateA = LOW;             // ledState used to set the LED
-
-long previousMillisA = 0;        // will store last time LED was updated
-
-// the follow variables is a long because the time, measured in miliseconds,
-// will quickly become a bigger number than can be stored in an int.
-
-
-// Second LED data
-int ledB = 12; //Secondo LED
-int ledStateB = LOW;             // ledState used to set the LED
-long previousMillisB = 0;        // will store last time LED was updated
-
-
-
-void setup() {
-  // set the digital pin as output:
-  pinMode(ledA, OUTPUT);      
-  pinMode(ledB, OUTPUT);  
-}
-
-void loop()
-{
-  lightLedA(40);
-  lightLedB(500);
-}
-
-
-// Funzioni
-
-void lightLedA (int interval) {
-  // Illumina il ledA secondo un intervallo passato come argomento
-
-  if(millis() - previousMillisA > interval) {
-    // save the last time you blinked the LED 
-    previousMillisA = millis();   
-
-    // if the LED is off turn it on and vice-versa:
-    if (ledStateA == LOW)
-      ledStateA = HIGH;
-    else
-      ledStateA = LOW;
-    // set the LED with the ledState of the variable:
-    digitalWrite(ledA, ledStateA);
-  }
-
-}
-
-void lightLedB (int interval) {
-  // Illumina il ledB secondo un intervallo passato come argomento
-
-  if(millis() - previousMillisB > interval) {
-    // save the last time you blinked the LED 
-    previousMillisB = millis();   
-
-    // if the LED is off turn it on and vice-versa:
-    if (ledStateB == LOW)
-      ledStateB = HIGH;
-    else
-      ledStateB = LOW;
-    // set the LED with the ledState of the variable:
-    digitalWrite(ledB, ledStateB);
-  }
-}
-
-/* TODO
-- Differenze tra fuznioni e programmazione a oggetti: integrazione tra
-operativita' e dati
-- Rapporto tra global scope e uso di pointers
-- uso di forme di dati strutturate (array, struct) per scambiare dati tra funzioni e programma
-*/
-
-
-
-
-
-
-
diff --git a/multitasking/BlinkWithoutDelay_2_led/BlinkWithoutDelay_2_led.ino b/multitasking/BlinkWithoutDelay_2_led/BlinkWithoutDelay_2_led.ino
index fa2c35c..293e217 100644
--- a/multitasking/BlinkWithoutDelay_2_led/BlinkWithoutDelay_2_led.ino
+++ b/multitasking/BlinkWithoutDelay_2_led/BlinkWithoutDelay_2_led.ino
@@ -1,4 +1,4 @@
-/* Blink without Delay
+/* Blink without Delay - due led
  
  Turns on and off a light emitting diode(LED) connected to a digital  
  pin, without using the delay() function.  This means that other code
@@ -14,6 +14,7 @@
  by David A. Mellis
  modified 8 Feb 2010
  by Paul Stoffregen
+ modified by eaman
  
  This example code is in the public domain.
  
@@ -52,11 +53,10 @@ void loop()
   // difference between the current time and last time you blinked 
   // the LED is bigger than the interval at which you want to 
   // blink the LED.
-  unsigned long currentMillis = millis();
 
-  if(currentMillis - previousMillisA > intervalA) {
+  if(millis() - previousMillisA > intervalA) {
     // save the last time you blinked the LED 
-    previousMillisA = currentMillis;   
+    previousMillisA = millis();   
 
     // if the LED is off turn it on and vice-versa:
     if (ledStateA == LOW)
@@ -67,9 +67,9 @@ void loop()
     digitalWrite(ledA, ledStateA);
   }
   
-    if(currentMillis - previousMillisB > intervalB) {
+    if(millis() - previousMillisB > intervalB) {
     // save the last time you blinked the LED 
-    previousMillisB = currentMillis;   
+    previousMillisB = millis();   
 
     // if the LED is off turn it on and vice-versa:
     if (ledStateB == LOW)
@@ -82,9 +82,9 @@ void loop()
 }
 
 /* Domande
- 2. Inserire un secondo LED con intervallo 500ms
- 1. Trasformare il codice utilizzato in una State Machine
- 
+ 1. Provare a isolare il codice per accendere ogni singolo led in una funzione:
+    Quali variabili determinano il comportamento del LED?
+    Sono globali o locali? 
  */
 
 
diff --git a/multitasking/BlinkWithoutDelay_3_funzione/BlinkWithoutDelay_3_funzione.ino b/multitasking/BlinkWithoutDelay_3_funzione/BlinkWithoutDelay_3_funzione.ino
new file mode 100644
index 0000000..886dd5e
--- /dev/null
+++ b/multitasking/BlinkWithoutDelay_3_funzione/BlinkWithoutDelay_3_funzione.ino
@@ -0,0 +1,88 @@
+/* Blink without Delay
+ 
+ Soluzione
+ 
+  3. Provare a isolare il codice per accendere ogni singolo led in una funzione:
+    Quali variabili determinano il comportamento del LED?
+    Sono globali o locali?
+    
+ */
+
+// constants won't change. Used here to 
+// set pin numbers:
+
+/////////////
+// First LED
+int ledA =  13;      // the number of the LED pin
+// Variables will change:
+int ledStateA = LOW;             // ledState used to set the LED
+long previousMillisA = 0;        // will store last time LED was updated
+// the follow variables is a long because the time, measured in miliseconds,
+// will quickly become a bigger number than can be stored in an int.
+long intervalA = 1000;           // interval at which to blink (milliseconds)
+
+//////////////
+// Second LED
+int ledB = 12; //Secondo LED
+int ledStateB = LOW;             // ledState used to set the LED
+long previousMillisB = 0;        // will store last time LED was updated
+long intervalB = 500;           // interval at which to blink (milliseconds)
+
+
+void setup() {
+  // set the digital pin as output:
+  pinMode(ledA, OUTPUT);      
+  pinMode(ledB, OUTPUT);  
+}
+
+void loop()
+{
+  lightLedA();
+  lightLedB();
+}
+
+
+// Funzioni
+
+void lightLedA () {
+  if(millis() - previousMillisA > intervalA) {
+    // save the last time you blinked the LED 
+    previousMillisA = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    if (ledStateA == LOW)
+      ledStateA = HIGH;
+    else
+      ledStateA = LOW;
+    // set the LED with the ledState of the variable:
+    digitalWrite(ledA, ledStateA);
+  }
+
+}
+
+void lightLedB () {
+  if(millis() - previousMillisB > intervalB) {
+    // save the last time you blinked the LED 
+    previousMillisB = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    if (ledStateB == LOW)
+      ledStateB = HIGH;
+    else
+      ledStateB = LOW;
+    // set the LED with the ledState of the variable:
+    digitalWrite(ledB, ledStateB);
+  }
+}
+
+
+/* Domande
+ 1. Modificare le funzioni in modo che accettino come parametro
+    l'intervallo di lampeggio.
+
+ */
+
+
+
+
+
diff --git a/multitasking/BlinkWithoutDelay_4_argomento/BlinkWithoutDelay_4_argomento.ino b/multitasking/BlinkWithoutDelay_4_argomento/BlinkWithoutDelay_4_argomento.ino
new file mode 100644
index 0000000..a6ecbaf
--- /dev/null
+++ b/multitasking/BlinkWithoutDelay_4_argomento/BlinkWithoutDelay_4_argomento.ino
@@ -0,0 +1,83 @@
+/* Blink without Delay
+ Soluzione
+ 
+ Introdotto un argomento per la funzione che nodifica l'intervallo di lampeggio
+ 
+ */
+
+// First LED
+int ledA =  13;      // the number of the LED pin
+// Variables will change:
+int ledStateA = LOW;             // ledState used to set the LED
+long previousMillisA = 0;        // will store last time LED was updated
+
+// Second LED data
+int ledB = 12; //Secondo LED
+int ledStateB = LOW;             // ledState used to set the LED
+long previousMillisB = 0;        // will store last time LED was updated
+
+void setup() {
+  // set the digital pin as output:
+  pinMode(ledA, OUTPUT);      
+  pinMode(ledB, OUTPUT);  
+}
+
+void loop()
+{
+  lightLedA(1000);
+  lightLedB(500);
+}
+
+//////////////
+// Funzioni
+
+void lightLedA (int interval) {
+  // Illumina il ledA secondo un intervallo passato come argomento
+
+  if(millis() - previousMillisA > interval) {
+    // save the last time you blinked the LED 
+    previousMillisA = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    if (ledStateA == LOW)
+      ledStateA = HIGH;
+    else
+      ledStateA = LOW;
+    // set the LED with the ledState of the variable:
+    digitalWrite(ledA, ledStateA);
+  }
+
+}
+
+void lightLedB (int interval) {
+  // Illumina il ledB secondo un intervallo passato come argomento
+
+  if(millis() - previousMillisB > interval) {
+    // save the last time you blinked the LED 
+    previousMillisB = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    if (ledStateB == LOW)
+      ledStateB = HIGH;
+    else
+      ledStateB = LOW;
+    // set the LED with the ledState of the variable:
+    digitalWrite(ledB, ledStateB);
+  }
+}
+
+/* Approfondimenti
+- Quali similitudini ci sono tra le due funzioni?
+- Come si dovrebbe fare per semplificare il codice
+  evitando di ripetere larti del codice simile tra loro?
+- Distinguere i dati comuni tra le due funzioni che ci servono per
+  far lampeggiare i LED
+- Distinguere i dati che caratterizzano un LED rispetto all'altro
+*/
+
+
+
+
+
+
+
diff --git a/multitasking/BlinkWithoutDelay_5_cleanup/BlinkWithoutDelay_5_cleanup.ino b/multitasking/BlinkWithoutDelay_5_cleanup/BlinkWithoutDelay_5_cleanup.ino
new file mode 100644
index 0000000..cc3d0e0
--- /dev/null
+++ b/multitasking/BlinkWithoutDelay_5_cleanup/BlinkWithoutDelay_5_cleanup.ino
@@ -0,0 +1,76 @@
+/* Blink without Delay - Pulizia
+
+Semplificato il ciclo condizionale
+ */
+
+// constants won't change. Used here to 
+// set pin numbers:
+
+// First LED
+int ledA =  13;      // the number of the LED pin
+// Variables will change:
+int ledStateA = LOW;             // ledState used to set the LED
+long previousMillisA = 0;        // will store last time LED was updated
+
+// Second LED data
+int ledB = 12; //Secondo LED
+int ledStateB = LOW;             // ledState used to set the LED
+long previousMillisB = 0;        // will store last time LED was updated
+
+void setup() {
+  // set the digital pin as output:
+  pinMode(ledA, OUTPUT);      
+  pinMode(ledB, OUTPUT);  
+}
+
+void loop()
+{
+  lightLedA(1000);
+  lightLedB(500);
+}
+
+////////////////
+// Funzioni
+
+void lightLedA (int interval) {
+  // Illumina il ledA secondo un intervallo passato come argomento
+
+  if(millis() - previousMillisA > interval) {
+    // save the last time you blinked the LED 
+    previousMillisA = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    ledStateA = !ledStateA ; // Inverti il LED
+  }
+  digitalWrite(ledA, ledStateA);
+}
+
+void lightLedB (int interval) {
+  // Illumina il ledB secondo un intervallo passato come argomento
+
+  if(millis() - previousMillisB > interval) {
+    // save the last time you blinked the LED 
+    previousMillisB = millis();   
+
+    // if the LED is off turn it on and vice-versa:
+    ledStateB = !ledStateB ; // Inverti il LED
+  }
+  digitalWrite(ledB, ledStateB);
+}
+
+/* Approfondimenti
+ - integrazione tra funzioni e dati
+ - Rapporto tra global scope e uso di pointers
+ - Uso di forme di dati strutturate (array, struct) per scambiare dati tra funzioni e programma
+ */
+
+
+
+
+
+
+
+
+
+
+
diff --git a/multitasking/BlinkWithoutDelay_6_class/BlinkWithoutDelay_6_class.ino b/multitasking/BlinkWithoutDelay_6_class/BlinkWithoutDelay_6_class.ino
new file mode 100644
index 0000000..6734b14
--- /dev/null
+++ b/multitasking/BlinkWithoutDelay_6_class/BlinkWithoutDelay_6_class.ino
@@ -0,0 +1,56 @@
+/* Blink without Delay
+ Soluzione
+ 
+ Introdotto un argomento per la funzione che nodifica l'intervallo di lampeggio 
+ */
+
+class Lampeggiatore {
+  // Lampeggia un LED utilizzando millis()
+  // Variabili
+  int ledPin ;           // il numero del LED pin
+  int ledState ;         // stato attuale del LED
+  long interval ;        // milliseconds di intervallo nel lampeggiare
+  long previousMillis ;  //precedente cambio di stato
+
+  // Constructor: come viene instanziato un oggetto facente parte della classe
+public:
+  Lampeggiatore(int pin, long time)
+  {
+    ledPin = pin;
+    pinMode(ledPin, OUTPUT);
+    ledState = LOW;
+    previousMillis = 0;
+    interval = time;
+  }
+
+// Una funzione facente parte di una classe prende il nome di "metodo" della stessa:
+  void Update () {
+    // Illumina il ledB secondo un intervallo passato come argomento
+
+    if(millis() - previousMillis > interval) {
+      // save the last time you blinked the LED 
+      previousMillis = millis();   
+
+      // if the LED is off turn it on and vice-versa:
+      ledState = !ledState ; // Inverti il LED
+    }
+    // set the LED with the ledState of the variable:
+    digitalWrite(ledPin, ledState);
+  }
+  
+};
+
+// Instanziamo i due led dalla classe 
+Lampeggiatore ledA(13, 1000);
+Lampeggiatore ledB(12, 500);
+
+void setup() {
+}
+
+void loop()
+{
+ledA.Update();
+ledB.Update();
+}
+
+
diff --git a/multitasking/blink_0_soluzione/blink_0_soluzione.ino b/multitasking/blink_0_soluzione/blink_0_soluzione.ino
index b1ba27a..265390e 100644
--- a/multitasking/blink_0_soluzione/blink_0_soluzione.ino
+++ b/multitasking/blink_0_soluzione/blink_0_soluzione.ino
@@ -1,8 +1,6 @@
 /*
-  Blink
- Turns on an LED on for one second, then off for one second, repeatedly.
- 
- This example code is in the public domain.
+  Blink due LED - Soluzione
+
  */
 
 // Pin 13 has an LED connected on most Arduino boards.
@@ -39,10 +37,6 @@ void loop() {
   ;
 }
 
-/* Domande
- 1. Aggiungere un secondo LED e farlo brillare ogni 500ms
- mentre il primo brilla ogni 1000ms
- */
 
 
 
diff --git a/multitasking/state_3_one_led/state_3_one_led.ino b/multitasking/state_3_one_led/state_3_one_led.ino
deleted file mode 100644
index 1b5717b..0000000
--- a/multitasking/state_3_one_led/state_3_one_led.ino
+++ /dev/null
@@ -1,46 +0,0 @@
-/* Blink con state machine
-
-  Accendere e spegnere un led utilizzando una state machine
-*/
-
-// These variables store the flash pattern
-// and the current state of the LED
-
-int ledPin = 13; // the number of the LED pin
-int ledState = LOW; // ledState used to set the LED
-unsigned long previousMillis = 0; // will store last time LED was updated
-long interval = 1000; // 
-
-void setup()
-{
-  // set the digital pin as output:
-  pinMode(ledPin, OUTPUT);
-}
-
-void loop()
-{
-  // check to see if it's time to change the state of the LED
-  unsigned long currentMillis = millis();
-  if((ledState == HIGH) && (currentMillis - previousMillis >= interval))
-  {
-    ledState = !ledState ; // Inverti il LED
-    previousMillis = currentMillis; // Remember the time
-    digitalWrite(ledPin, ledState); // Update the actual LED
-
-  } 
-  else  if((ledState == LOW) && (currentMillis - previousMillis >= interval))
-  {
-    ledState = !ledState ; // Inverti il LED
-    previousMillis = currentMillis; // Remember the time
-    digitalWrite(ledPin, ledState); // Update the actual LED
-  }
-
-
-}
-
-/* 
-1. Modificare il codice in modo che si possa precisare il tempo di HIGH
-   e il tempo di LOW
-2. Aggiungere un LED che brilli ogni 500ms   
-   */
-   
diff --git a/multitasking/state_4_one_led_two_timers/state_4_one_led_two_timers.ino b/multitasking/state_4_one_led_two_timers/state_4_one_led_two_timers.ino
deleted file mode 100644
index 1f696cb..0000000
--- a/multitasking/state_4_one_led_two_timers/state_4_one_led_two_timers.ino
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Blink con state machine
-
-  Accendere e spegnere un led utilizzando una state machine
-  specificando sia il tempo accensione che di spegnimento.
-  
-*/
-
-// These variables store the flash pattern
-// and the current state of the LED
-
-int ledPin = 13; // the number of the LED pin
-int ledState = LOW; // ledState used to set the LED
-unsigned long previousMillis = 0; // will store last time LED was updated
-long intervalHigh = 1000; // 
-long intervalLow = 200; // 
-
-void setup()
-{
-  // set the digital pin as output:
-  pinMode(ledPin, OUTPUT);
-}
-
-void loop()
-{
-  // check to see if it's time to change the state of the LED
-  unsigned long currentMillis = millis();
-  if((ledState == HIGH) && (currentMillis - previousMillis >= intervalHigh))
-  {
-    ledState = !ledState ; // Inverti il LED
-    previousMillis = currentMillis; // Remember the time
-    digitalWrite(ledPin, ledState); // Update the actual LED
-
-  } 
-  else  if((ledState == LOW) && (currentMillis - previousMillis >= intervalLow))
-  {
-    ledState = !ledState ; // Inverti il LED
-    previousMillis = currentMillis; // Remember the time
-    digitalWrite(ledPin, ledState); // Update the actual LED
-  }
-
-
-}
-
-/* 
-1. Modificare il codice in modo che si possa precisare il tempo di HIGH
-   e il tempo di LOW
-2. Aggiungere un LED che brilli ogni 500ms   
-   */
-   
diff --git a/multitasking/state_5_two_led_two_timers/state_5_two_led_two_timers.ino b/multitasking/state_5_two_led_two_timers/state_5_two_led_two_timers.ino
deleted file mode 100644
index 174f875..0000000
--- a/multitasking/state_5_two_led_two_timers/state_5_two_led_two_timers.ino
+++ /dev/null
@@ -1,77 +0,0 @@
-/* Blink con state machine: due led
- 
- Accendere e spegnere due led utilizzando una state machine
- specificando sia il tempo accensione che di spegnimento.
- 
- */
-
-// These variables store the flash pattern
-// and the current state of the LED
-
-int ledPinA = 13; // the number of the LED pin
-int ledStateA = LOW; // ledState used to set the LED
-unsigned long previousMillisA = 0; // will store last time LED was updated
-long intervalHighA = 1000; // 
-long intervalLowA = 200; // 
-
-int ledPinB = 12; // the number of the LED pin
-int ledStateB = LOW; // ledState used to set the LED
-unsigned long previousMillisB = 0; // will store last time LED was updated
-long intervalHighB = 500; // 
-long intervalLowB = 100; // 
-
-void setup()
-{
-  // set the digital pin as output:
-  pinMode(ledPinA, OUTPUT);
-  pinMode(ledPinB, OUTPUT);
-}
-
-void loop()
-{
-  // Primo LED
-  // check to see if it's time to change the state of the LED
-  unsigned long currentMillis = millis();
-  if((ledStateA == HIGH) && (currentMillis - previousMillisA >= intervalHighA))
-  {
-    ledStateA = 1 - ledStateA ; // Inverti il LED
-    previousMillisA = currentMillis; // Remember the time
-    digitalWrite(ledPinA, ledStateA); // Update the actual LED
-
-  } 
-  else  if((ledStateA == LOW) && (currentMillis - previousMillisA >= intervalLowA))
-  {
-    ledStateA = 1 - ledStateA ; // Inverti il LED
-    previousMillisA = currentMillis; // Remember the time
-    digitalWrite(ledPinA, ledStateA); // Update the actual LED
-  }
-
-// Secondo LED
-
-  // check to see if it's time to change the state of the LED
-  unsigned long currentMillis = millis();
-  if((ledStateB == HIGH) && (currentMillis - previousMillisB >= intervalHighB))
-  {
-    ledStateB = 1 - ledStateB ; // Inverti il LED
-    previousMillisB = currentMillis; // Remember the time
-    digitalWrite(ledPinB, ledStateB); // Update the actual LED
-
-  } 
-  else  if((ledStateB == LOW) && (currentMillis - previousMillisB >= intervalLowB))
-  {
-    ledStateB = 1 - ledStateB ; // Inverti il LED
-    previousMillisB = currentMillis; // Remember the time
-    digitalWrite(ledPinA, ledStateB); // Update the actual LED
-  }
-}
-
-/* Domande
- 1. E' possibile razzinalizzare il codice utilizzando una funzione?
- 
- 
- Link: 
- - Utilizzare codice a oggetti per ottimizzare il codice: 
-   https://learn.adafruit.com/multi-tasking-the-arduino-part-1?view=all#a-classy-solution
- */
-
-