timer2.h

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/****************************************************************************
* File:         Timer2.h
* Version:      1.0                                       
* Created:     2003.07.11                                     
* Last Change:  2003.07.11
* Author:       dong yongde  
* Company:  LANTOON TECH   
* Compiler:     KEIL C51 uVision2 V2.32 
* Description:  Timer 2 of 51
****************************************************************************/
#ifndef TIMER2_H
#define TIMER2_H

#define Fosc	14754600		//时钟周期()
#define Nins	6//normal is 12 //每个指令的机器周期
//Fosc/Nins*T=定时T所需的指令数
#define TIME_50us	65536-Fosc/Nins*50/1000000
#define RCAP2_50us 65413L
//???
// #define RCAP2_50us             65536L - OSC_FREQ/240417L
 #define RCAP2_1ms              65413L//65536L - OSC_FREQ/12021L
 #define RCAP2_10ms             65413L//65536L - OSC_FREQ/1200L
 
void start_timeout(unsigned int _50us);
void stop_timeout(void);
void 	delay_50us (unsigned char _50us);
void 	delay_1ms (unsigned char _1ms);
void 	delay_10ms (unsigned int _10ms);
void 	delay_50us_NOP (void);
void 	delay_8us_NOP (void);

#endif