pcf8563.c

单片机c语言程序设计100例--基于PIC+PROTEUS

//-----------------------------------------------------------------
//  名称: PCF8583实时时钟芯片程序
//-----------------------------------------------------------------
#include  <pic.h>
#include "PCF8563.h"
bit ack = 0;
//I2C通用操作宏定义
#define Idle()         {while ((SSPCON2 & 0x1F)|(RW));}
#define Wait()         {while (SSPIF == 0);SSPIF = 0;}
#define Start()        {Idle(); SSPIF = 1;  SEN = 1; Wait();}
#define Stop()         {Idle(); SSPIF = 0;  PEN = 1; Wait();}
#define RepStart()     {Idle(); SSPIF = 0;  RSEN = 1;Wait();}
#define WriteByte(x)   {Idle(); SSPBUF = x; Wait(); ack = !ACKSTAT; }
#define EnableRecv()   {Idle(); RCEN = 1;   while (SSPIF == 0);}
#define AckI2C()       {ACKDT = 0;ACKEN = 1;Wait();}
#define NoAckI2C()     {ACKDT = 1;ACKEN = 1;Wait();}
//BCD码转换为DEC码的宏定义 
#define BCD_TO_DEC(x) ((x) >> 4) * 10 + ((x) & 0x0F)
//0,1,2,3,4,5,6分别对应周日,周一至六
char WEEK[][4] = {"SUN","MON","TUS","WEN","THU","FRI","SAT"};
//所读取的PCF8583数据及转换后的日期时间数据
INT8U PCF8583_DATA[10], DateTime[7];
//-----------------------------------------------------------------
// I2C初始化
//-----------------------------------------------------------------
void I2C_Init()
{




}

//-----------------------------------------------------------------
// 将buf缓冲的len个字节写入PCF8583指定地址     
//-----------------------------------------------------------------
void PCF8583_Write(INT8U addr,INT8U *buf,INT8U len)
{




}

//-----------------------------------------------------------------
// 从PCF8583指定地址读多字节到buf缓冲   
//-----------------------------------------------------------------
void PCF8583_Read(INT8U addr,INT8U *buf,INT8U len)
{    	




}

//-----------------------------------------------------------------
// 读取7字节PCF8583时钟数据并转换为BCD码
//-----------------------------------------------------------------
void GetDateTime()
{




}