pcf8563.c

pcf8563 的原程序和原理图片,IIC接口的方法.绝对没问题.

//QQ:32200242 E-Mail:[e-mail]
//功能：轮流静态显示年月 日时 分秒
#include <REG52.h>
#include <DIS.h>
#include <IIC.h>  
//#include<zf.h>       
#define  WC24C02 0xA0             /*定义器件地址*/
#define  PCF8563  0xA2            /*定义器件地址*/
#define  WRADDR   0x00
#define  RDADDR   0x02
  unsigned char td[9]={0x00,0x12,0x48,0x30,0x12,0x08,0x03,0x12,0x05};
 // 控制状态寄存器1、 控制状态寄存器2、秒、分、时、日、星期、月/世纪、年

  unsigned char rd[7],i;           /*定义发送缓冲区*/
  // 秒、分、时、日、星期、月/世纪、年	
  unsigned char leddis1[4],leddis2[4],leddis3[4],j;           /*定显释缓冲区*/
 //年、月/日、时/分、秒
void  main()
{

  ISendStr(PCF8563,WRADDR,td,0x09);

  while(1)
  {
  IRcvStr(PCF8563,RDADDR,rd,0x07);
  zf();  
  display(leddis1);//显示年：月
  delay(0xff); delay(0xff);delay(0xff);delay(0xff);delay(0xff);	delay(0xff);delay(0xff);delay(0xff);
  display(leddis2);//显示日：时
  delay(0xff); delay(0xff);delay(0xff);delay(0xff);delay(0xff);	 delay(0xff);delay(0xff);delay(0xff);
  display(leddis3);	//显示分：秒
  delay(0xff); delay(0xff);delay(0xff);delay(0xff);delay(0xff);delay(0xff);delay(0xff);delay(0xff);
  }
  }
//字节拆分
zf()
{
//年
j=i=rd[6];
i&=0xf0;
i>>=4;
leddis1[3]=i;
i=j;
i&=0x0f;
leddis1[2]=i;
//月
i=rd[5];
i&=0x1f;
j=i;
i&=0xf0;
i>>=4;
leddis1[1]=i;
i=j;
i&=0x0f;
leddis1[0]=i;
//日
i=rd[3];
i&=0x3f;
j=i;
i&=0xf0;
i>>=4;
leddis2[3]=i;
i=j;
i&=0x0f;
leddis2[2]=i;
//时
i=rd[2];
i&=0x3f;
j=i;
i&=0xf0;
i>>=4;
leddis2[1]=i;
i=j;
i&=0x0f;
leddis2[0]=i;
//分
i=rd[1];
i&=0x7f;
j=i;
i&=0xf0;
i>>=4;
leddis3[3]=i;
i=j;
i&=0x0f;
leddis3[2]=i;
//秒
i=rd[0];
i&=0x7f;
j=i;
i&=0xf0;
i>>=4;
leddis3[1]=i;
i=j;
i&=0x0f;
leddis3[0]=i;
}