#ifndef _PT_TIMER_H_
#define _PT_TIMER_H_

#include <stdint.h>

#ifndef boolean
#define boolean unsigned char
#endif
#ifndef NULL
	#define	NULL 0
#endif

//如果使用__USE_WT_TIMER_ 建议系统滴答10ms为佳 可使用497天后重置计数器
#define __USE_WT_TIMER_

#ifdef __USE_WT_TIMER_
typedef struct _pt_timer_t {
  volatile uint32_t ms;
}pt_timer_t;
uint32_t getSysTick(void);
#else
typedef struct _pt_timer_t {
  struct _pt_timer_t *next;
  volatile uint16_t ms;  // ³¬Ê±±êÖ¾¡£³¬Ê±Ê±ÉèÖÃΪ 0
  volatile uint16_t ticks;
}pt_timer_t;
#endif

void PTTimerInitPool(pt_timer_t *pool);
void PTTimerStart(pt_timer_t *pool, pt_timer_t *timer, uint16_t ms);
boolean PTTimerIsExpired(pt_timer_t *timer);
void PTTimerStop(pt_timer_t *pool, pt_timer_t *timer);
void PTTimerTick(pt_timer_t *pool);

#endif /* _PT_TIMER_H_ */