/****************************************************************** * This code was developed as part of the MIT uAMPS project.      * ******************************************************************/#ifdef MIT_uAMPS#ifndef __mac_sensor_timers_h__#define __mac_sensor_timers_h__/* ======================================================================   Timers   ====================================================================== */class MacSensor;class MacSensorTimer : public Handler {public:	MacSensorTimer(MacSensor* m, double s = 0) : mac(m) {		busy_ = paused_ = 0; stime = rtime = 0.0; slottime_ = s;	}	virtual void handle(Event *e) = 0;	virtual void start(Packet *p, double time);	virtual void stop(Packet *p);	virtual void pause(void) { assert(0); }	virtual void resume(void) { assert(0); }	inline int busy(void) { return busy_; }	inline int paused(void) { return paused_; }	inline double slottime(void) { return slottime_; }	inline double expire(void) {		return ((stime + rtime) - Scheduler::instance().clock());	}protected:	MacSensor 	*mac;	int		busy_;	int		paused_;	Event		intr;	double		stime;	// start time	double		rtime;	// remaining time	double		slottime_;};class DeferSensorTimer : public MacSensorTimer {public:	DeferSensorTimer(MacSensor *m, double s) : MacSensorTimer(m,s) {}	void	handle(Event *e);};class RxSensorTimer : public MacSensorTimer {public:	RxSensorTimer(MacSensor *m) : MacSensorTimer(m) {}	void	handle(Event *e);};class TxSensorTimer : public MacSensorTimer {public:	TxSensorTimer(MacSensor *m) : MacSensorTimer(m) {}	void	handle(Event *e);};#endif /* __mac_sensor_timers_h__ */#endif /* MIT_uAMPS */