switch to setup for Arduino Boards Manager

digistump-sam/libraries/DigiXBetaBonus/Bonus_Encoder_Working/Bonus_Encoder_Working.ino

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+/* Software Debouncing - Mechanical Rotary Encoder */
+
+#define encoder0PinA 9
+#define encoder0PinB 10
+const int buttonPin = 12; 
+volatile unsigned int encoder0Pos = 0;
+static boolean rotating=false;
+int buttonState;             // the current reading from the input pin
+int lastButtonState = LOW;   // the previous reading from the input pin
+long lastDebounceTime = 0;  // the last time the output pin was toggled
+long debounceDelay = 50;    // the debounce time; increase if the output flickers
+
+void setup() {
+  pinMode(buttonPin, INPUT);
+  digitalWrite(buttonPin, HIGH);
+  pinMode(encoder0PinA, INPUT); 
+  digitalWrite(encoder0PinA, HIGH);       
+  pinMode(encoder0PinB, INPUT); 
+  digitalWrite(encoder0PinB, HIGH); 
+
+  attachInterrupt(encoder0PinA, rotEncoder, CHANGE);  
+  SerialUSB.begin (9600);
+}
+
+void rotEncoder(){
+  rotating=true; 
+  // If a signal change (noise or otherwise) is detected
+  // in the rotary encoder, the flag is set to true
+}
+
+void loop() {
+  while(rotating) {
+    delay(2);
+    // When signal changes we wait 2 milliseconds for it to 
+    // stabilise before reading (increase this value if there
+    // still bounce issues)
+    if (digitalRead(encoder0PinA) == digitalRead(encoder0PinB)) {  
+      encoder0Pos++;
+    } 
+    else {                                   
+      encoder0Pos--;
+    }
+    rotating=false; // Reset the flag back to false
+    SerialUSB.println(encoder0Pos);
+  }
+  int reading = digitalRead(buttonPin);
+
+  // check to see if you just pressed the button 
+  // (i.e. the input went from LOW to HIGH),  and you've waited 
+  // long enough since the last press to ignore any noise:  
+
+  // If the switch changed, due to noise or pressing:
+  if (reading != lastButtonState) {
+    // reset the debouncing timer
+    lastDebounceTime = millis();
+    SerialUSB.print("Button: ");
+    SerialUSB.println(reading);
+  } 
+  
+  if ((millis() - lastDebounceTime) > debounceDelay) {
+    // whatever the reading is at, it's been there for longer
+    // than the debounce delay, so take it as the actual current state:
+    buttonState = reading;
+  }
+
+
+  // save the reading.  Next time through the loop,
+  // it'll be the lastButtonState:
+  lastButtonState = reading;
+}