24cxx.h

单片机与时钟芯片ds1302接口程序

#ifndef __24CXX_H__
#define __24CXX_H__
#include "me.h"
#include<intrins.h>
#include<absacc.h>

#define  ERRORCOUNT 3
sbit     SDA=P1^3;
sbit     SCL=P1^2;

//#define SLA_DS1307	0XD0		//1307的7位地址
#define SLA_ADD		0XA0		//2404的7位地址

extern enum  eepromtype  {M2401,M2402,M2404,DS1307,M2408,M2416,M2432,M2464,M24128,M24256};
extern enum  eepromtype EepromType;



//extern void delayms(unsigned int time);

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

void Delay(unsigned char DelayCount);
void IICStart(void);
void IICStop(void);
bit  IICRecAck(void);
void IICNoAck(void);
void IICAck(void);

unsigned char IICReceiveByte(void);
void IICSendByte(unsigned char sendbyte);
unsigned char RDIIC(unsigned char *DataBuff,unsigned char ByteQuantity,unsigned int Address,
                     unsigned char chipadd,enum eepromtype EepromType);
unsigned char WDIIC(unsigned char *DataBuff,unsigned char ByteQuantity,unsigned int Address,
             unsigned char chipadd,enum eepromtype EepromType);
#endif