From ede898fe5f786d261e1b1791ac102e9cf3fa7366 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sun, 28 Jul 2013 14:12:59 +0200
Subject: inital commit

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 src/Bounce.cpp | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/Bounce.cpp

(limited to 'src/Bounce.cpp')

diff --git a/src/Bounce.cpp b/src/Bounce.cpp
new file mode 100644
index 0000000..40709e4
--- /dev/null
+++ b/src/Bounce.cpp
@@ -0,0 +1,90 @@
+
+// Please read Bounce.h for information about the liscence and authors
+
+#include <Arduino.h>
+#include "Bounce.h"
+
+Bounce::Bounce() {
+}
+
+Bounce::Bounce(uint8_t pin,unsigned long interval_millis)
+{
+	interval(interval_millis);
+	previous_millis = millis();
+	state = digitalRead(pin);
+    this->pin = pin;
+}
+
+
+void Bounce::write(int new_state)
+       {
+       	this->state = new_state;
+       	digitalWrite(pin,state);
+       }
+
+
+void Bounce::interval(unsigned long interval_millis)
+{
+  this->interval_millis = interval_millis;
+  this->rebounce_millis = 0;
+}
+
+void Bounce::rebounce(unsigned long interval)
+{
+	 this->rebounce_millis = interval;
+}
+
+
+
+int Bounce::update()
+{
+	if ( debounce() ) {
+        rebounce(0);
+        return stateChanged = 1;
+    }
+
+     // We need to rebounce, so simulate a state change
+     
+	if ( rebounce_millis && (millis() - previous_millis >= rebounce_millis) ) {
+        previous_millis = millis();
+		 rebounce(0);
+		 return stateChanged = 1;
+	}
+
+	return stateChanged = 0;
+}
+
+
+unsigned long Bounce::duration()
+{
+  return millis() - previous_millis;
+}
+
+
+int Bounce::read()
+{
+	return (int)state;
+}
+
+
+// Protected: debounces the pin
+int Bounce::debounce() {
+	
+	uint8_t newState = digitalRead(pin);
+	if (state != newState ) {
+  		if (millis() - previous_millis >= interval_millis) {
+  			previous_millis = millis();
+  			state = newState;
+  			return 1;
+	}
+  }
+  
+  return 0;
+	
+}
+
+// The risingEdge method is true for one scan after the de-bounced input goes from off-to-on.
+bool  Bounce::risingEdge() { return stateChanged && state; }
+// The fallingEdge  method it true for one scan after the de-bounced input goes from on-to-off. 
+bool  Bounce::fallingEdge() { return stateChanged && !state; }
+
-- 
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