timer.h

Bitek 公司 bit1611b模拟屏驱动芯片外接MCU驱动DEMO源码

/* **********************************************************************

         Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd

        All rights are reserved. Reproduction in whole or in parts is
    prohibited without the prior written consent of the copyright owner.
   ----------------------------------------------------------------------

    Module: TIMER.H

    Purpose: Interface of TIMER module.

    Version: 0.01                                   11:33AM  2005/11/17

    Compiler: Keil 8051 C Compiler v8.01

    Reference:

   ----------------------------------------------------------------------
    Modification:

    R0.01 11:33AM  2005/11/17 Jeffrey Chang
    Reason:
        1. Original.
    Solution:

   ********************************************************************** */


#ifndef _TIMER_H_
#define _TIMER_H_


/* ------------------------------------
    Header Files
   ------------------------------------ */
#include "platform.h"


/* ------------------------------------
    Macro Definitions
   ------------------------------------ */
#undef EXTERN

#ifdef _TIMER_C_
    #define EXTERN
#else
    #define EXTERN  extern
#endif


/* ::::::::::::::::::::::::::::::::::::
   System Timer Configuration
   :::::::::::::::::::::::::::::::::::: */
#define TIMER_USING             3


#define TIMER_0                 0
#define TIMER_1                 1
#define TIMER_CFG               TIMER_0


// [3]64, 89
#define TIMER0_MODE             0x01    // Timer 0: Mode 1 (16-bit)
#define TIMER1_MODE             0x10    // Timer 1: Mode 1 (16-bit)

/* [3]89 Timer/Counter Mode Control */
#define TIMER_MODE              (TIMER1_MODE | TIMER0_MODE)

#if (TIMER_CFG == TIMER_0)      /* [3]64 Using Timer 0 as System Timer */

    #define TIMER_INT           1   /* [2]92 Timer Interrupt Number (Vector=0x0B) */
    #define TIMER_RUN           TR0 /* [3]64,89 Timer 0 start running */
    #define TIMER_ENABLE        ET0 /* [3]64,87 Enable Timer 0 overflow interrupt */
    #define TIMER_COUNTER_H     TH0 /* [3]64,84 */
    #define TIMER_COUNTER_L     TL0 /* [3]64,84 */

#elif (TIMER_CFG == TIMER_1)    /* [3]64 Using Timer 1 as System Timer */

    #define TIMER_INT           3   /* [2]92 Timer Interrupt Number (Vector=0x1B) */
    #define TIMER_RUN           TR1 /* [3]64,89 Timer 1 start running */
    #define TIMER_ENABLE        ET1 /* [3]64,87 Enable Timer 1 overflow interrupt */
    #define TIMER_COUNTER_H     TH1 /* [3]64,84 */
    #define TIMER_COUNTER_L     TL1 /* [3]64,84 */

#else
    #error TIMER.H - Invalid TIMER_CFG !

#endif // TIMER_CFG



/* ::::::::::::::::::::::::::::::::::::
    System Tick = 6 ms !
   :::::::::::::::::::::::::::::::::::: */
#if (CLOCK_CFG == CLOCK_X6)
    #define MACHINE_PER_TICK    14318   /* Machine Cycles per System Tick   */
                                        // = 6 ms @6 clocks mode
#else
    #define MACHINE_PER_TICK     7159   /* Machine Cycles per System Tick   */
                                        // = 6 ms @12 clocks mode
#endif // CLOCK_CFG


#define US_PER_TICK             6000    /* Micro-second per System Tick     */
#define MS_PER_TICK             6       /* Milli-second per System Tick     */


/* ------------------------------------
    Variables Definitions/Declarations
   ------------------------------------ */
EXTERN UW16 wTIMER_TickCnt;             // Free-run Up counter
EXTERN UB8  bTIMER_Tick;                // One-shot down counter
EXTERN UW16 wTIMER_Tick;                // One-shot down counter

EXTERN UW16 wTIMER_BurnInTick;          // Added by JC 02:30PM  2004/08/13

/* ------------------------------------
    Function Prototypes
   ------------------------------------ */
EXTERN void TIMER_DelayMS(UW16 wMS);
EXTERN void TIMER_Init(void);


#endif /* _TIMER_H_ */


/* **********************************************************************

    Description:

   ********************************************************************** */

/* %% End Of File %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */