giuliomoro@132: /*
giuliomoro@132:  * ClockSynchronizer.h
giuliomoro@132:  *
giuliomoro@132:  *  Created on: 26 Aug 2015
giuliomoro@132:  *      Author: giulio
giuliomoro@132:  */
giuliomoro@132: 
giuliomoro@132: #ifndef CLOCKSYNCHRONIZER_H_
giuliomoro@132: #define CLOCKSYNCHRONIZER_H_
giuliomoro@132: 
giuliomoro@132: #include <BeagleRT.h>
giuliomoro@132: #include <I2c_Codec.h>
giuliomoro@132: #include <NetworkSend.h>
giuliomoro@132: #include <native/timer.h>
giuliomoro@132: extern I2c_Codec *gAudioCodec;
giuliomoro@132: 
giuliomoro@132: class ClockSynchronizer {
giuliomoro@132: private:
giuliomoro@132: 	int localOffset;
giuliomoro@132: 	int remoteOffset;
giuliomoro@132: 	RTIME timeOffset;
giuliomoro@132: 	int localCounter;
giuliomoro@132: 	int remoteCounter;
giuliomoro@132: 	RTIME lastTime;
giuliomoro@132: 	void reset();
giuliomoro@132: 	static bool staticConstructed;
giuliomoro@132: 	static void staticConstructor();
giuliomoro@132: 	static float currentSamplingRate;
giuliomoro@132: 	static float targetSamplingRate;
giuliomoro@132: 	static bool threadRunning;
giuliomoro@132: 	static int threadWasRunning;
giuliomoro@132: 	static AuxiliaryTask setClockTask;
giuliomoro@132: public:
giuliomoro@132: 	ClockSynchronizer();
giuliomoro@132: 	~ClockSynchronizer();
giuliomoro@132: 	void setup();
giuliomoro@132: 	void update(int aLocalCounter, int aRemoteCounter, RTIME aLastTime);
giuliomoro@132: 	void adjustClock();
giuliomoro@132: 	static void setClock();
giuliomoro@132: };
giuliomoro@132: 
giuliomoro@132: #endif /* CLOCKSYNCHRONIZER_H_ */