Initial commit

This is just the 2018 code configured for PlatformIO

lib/Bounce2/examples/retrigger/retrigger.ino

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+
+/* 
+DESCRIPTION
+====================
+Example of the bounce library that shows how to retrigger an event when a button is held down.
+In this case, the debug LED will blink every 500 ms as long as the button is held down.
+Open the Serial Monitor (57600 baud) for debug messages.
+
+*/
+
+// Include the Bounce2 library found here :
+// https://github.com/thomasfredericks/Bounce2
+#include <Bounce2.h>
+
+
+#define BUTTON_PIN 2
+#define LED_PIN 13
+
+// Instantiate a Bounce object
+Bounce debouncer = Bounce(); 
+
+int buttonState;
+unsigned long buttonPressTimeStamp;
+
+int ledState;
+
+void setup() {
+  
+  Serial.begin(57600);
+  
+  // Setup the button
+  pinMode(BUTTON_PIN,INPUT);
+  // Activate internal pull-up
+  digitalWrite(BUTTON_PIN,HIGH);
+  
+  // After setting up the button, setup debouncer
+  debouncer.attach(BUTTON_PIN);
+  debouncer.interval(5);
+  
+  //Setup the LED
+  pinMode(LED_PIN,OUTPUT);
+  digitalWrite(LED_PIN,ledState);
+  
+}
+
+void loop() {
+ // Update the debouncer and get the changed state
+  boolean changed = debouncer.update();
+
+
+  
+  if ( changed ) {
+       // Get the update value
+     int value = debouncer.read();
+    if ( value == HIGH) {
+       ledState = LOW;
+       digitalWrite(LED_PIN, ledState );
+   
+       buttonState = 0;
+       Serial.println("Button released (state 0)");
+   
+   } else {
+          ledState = HIGH;
+       digitalWrite(LED_PIN, ledState );
+       
+         buttonState = 1;
+         Serial.println("Button pressed (state 1)");
+         buttonPressTimeStamp = millis();
+     
+   }
+  }
+  
+  if  ( buttonState == 1 ) {
+    if ( millis() - buttonPressTimeStamp >= 500 ) {
+         buttonPressTimeStamp = millis();
+         if ( ledState == HIGH ) ledState = LOW;
+         else if ( ledState == LOW ) ledState = HIGH;
+         digitalWrite(LED_PIN, ledState );
+        Serial.println("Retriggering button");
+    }
+  }
+ 
+ 
+}
+
+