timer.h

vt6528芯片交换机API函数和文档运行程序

/*
 * File: timer.h
 *
 * Purpose: timer routines
 */


#ifndef __TIMER_H__
#define __TIMER_H__

#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif




/*---------------------  Export Definitions  ------------------------*/
#define TMR_TICKS_PER_SEC   100         // clock rate is 100 ticks per second

typedef void (* PFN_CALLBACK_TIMER)(PVOID);

/*---------------------  Export Types  ------------------------------*/

/*---------------------  Export Macros ------------------------------*/
//
// Calculate the real difference between t1 and t0
// Because t1 maybe wrapped around once. 
// (but assume that never wrapped around twice.)
//
#define TMR_u32Diff(t1, t0)     ((t1 >= t0) ? (t1 - t0) : (0xFFFFFFFF - t0 + t1 + 1))

/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/
#if defined(__cplusplus)
extern "C" {                            /* Assume C declarations for C++ */
#endif // __cplusplus


void TMR_vIsrTimer0(void);

void TMR_vInit(void);
void TMR_vSetHookFunc(PFN_HOOK pfnHook);
UINT32 TMR_u32GetSysTick(void);

INT TMR_iSetTimer(
                UINT uTimeToDelay, 
                PFN_CALLBACK_TIMER pfnTimerCallbackFunc, 
                PVOID pvTimerCallbackContext);
INT TMR_iSetPeriodicTimer(
                UINT uTimeOutPeriod, 
                PFN_CALLBACK_TIMER pfnTimerCallbackFunc, 
                PVOID pvTimerCallbackContext);
BOOL TMR_bCancelTimer(UINT idTimer);
BOOL TMR_bCancelAllTimer(void);


#if defined(__cplusplus)
}                                       /* End of extern "C" { */
#endif // __cplusplus




#endif // __TIMER_H__