Initial rotary encoder commit. In beta. see issue #10

src/ArduinoComponents/Components/RotaryEncoder.cpp

@@ -0,0 +1,51 @@
+#include "RotaryEncoder.h"
+namespace components
+{
+	RotaryEncoder::RotaryEncoder( uint8_t a, uint8_t b, uint8_t clicks )
+	:	Component(),
+		A( a, TriggerOn::Low, InputPull::Up ),
+		B( b, TriggerOn::Low, InputPull::Up ),
+		detents( clicks )
+	{
+		RegisterChild(A);
+		A.onPress( [&] {
+			if ( B.isPressed() == LOW )
+			{
+				rotation--;
+				onRotate(-1);
+			}
+			else
+			{
+				rotation++;
+				onRotate(+1);
+			}
+			delay(5);
+		} );
+		RegisterChild(B);
+		B.onPress( [&] {
+			delay(5);
+		} );
+	}
+
+	int32_t RotaryEncoder::onRotate( int8_t dr )
+	{
+		if ( dr > 0 )
+		{
+			Serial.print( 'R' );
+		}
+		else
+		{
+			Serial.print( 'L' );
+		}
+		Serial.print( ' ' );
+		if ( detents )
+			rotation %= detents;
+		Serial.println( rotation );
+		return rotation;
+	}
+
+	void RotaryEncoder::privateLoop( void )
+	{
+
+	}
+}

src/ArduinoComponents/Components/RotaryEncoder.h

@@ -0,0 +1,17 @@
+#include "TactileButton.h"
+#include "Component.h"
+namespace components
+{
+	class RotaryEncoder : public Component
+	{
+		public:
+			RotaryEncoder( uint8_t a, uint8_t b, uint8_t clicks = 0 );
+		private:
+			int32_t rotation;
+			int32_t onRotate( int8_t dr );
+			uint8_t detents;
+			TactileButton A;
+			TactileButton B;
+			void privateLoop( void );
+	};
+}