Initial commit

Bounce.cpp

@@ -0,0 +1,92 @@
+
+// Please read Bounce.h for information about the liscence and authors
+
+#if defined(ARDUINO) && ARDUINO >= 100
+#include "Arduino.h"
+#else
+#include "WProgram.h"
+#endif
+#include "Bounce.h"
+
+
+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; }
+