求用PCF8563做個實時時鐘的C源程序和電路圖！？

#include <intrins.h>

#define uchar unsigned char

#define uint unsigned int

sbit pcf8563_scl=P0^4;

sbit pcf8563_sda=P0^3;

uchar num[10]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39}; //數字表

sbit clk=P2^0;

sbit dio=P2^1;

sbit cfd=P2^2; //充放電開關，

sbit en=P2^3;

sbit rw=P2^4;

sbit rs=P2^5;

sbit deng=P2^6; //測試燈

sbit adcs=P2^7;

bit busy=0;

uchar sg;

uchar sd;

uchar fg;

uchar fd;

uchar mg;

uchar md;

uchar hou=0;

uchar min=0;

uchar sec=0;

uchar subadd;

uchar dat;

uchar number;

void start_pcf8563();

void send_pcf8563_byte();

void LcdIni(void);

void WrOp(uchar dat);

void WrDat(uchar dat);

void ChkBusy(void);

void display0(void);

void display1(void);

void stop_pcf8563();

void receive_pcf8563_byte();

void spit_time();

void LcdIni()//初始化LCD

{WrOp(0x01);

WrOp(0x38);

WrOp(0x0c);

WrOp(0x06);

}

void WrOp(uchar dat)//寫LCD顯示地址

{

P1 =dat;

rs=0;

rw=0;

en=0;

ChkBusy();

en=1;

}

void WrDat(uchar dat)//寫LCD顯示數據

{ P1=dat;

rs=1;

rw=0;

en=0;

ChkBusy();

en=1;

}

void ChkBusy() //檢查LCD是否忙

{

P1=0xff;

rs=0;

rw=1;

en=0;

_nop_();

en=1;

while(P1&0x80);

}

void display0() //顯示必要的背景

{

WrOp(0x80);

WrDat('T');

WrOp(0x81);

WrDat(':');

WrOp(0x84);

WrDat(':');

WrOp(0x87);

WrDat(':');

}

void spit_time()

{

sg=(int)hou/10;

sd=(int)hou%10;

fg=(int)min/10;

fd=(int)min%10;

mg=(int)sec/10;

md=(int)sec%10;

}

void display1()//顯示時間六位

{

uchar temp6;

uchar temp5;

uchar temp4;

uchar temp3;

uchar temp2;

uchar temp1;

WrOp(0x82);

temp6=num[sg];

WrDat(temp6);

WrOp(0x83);

temp5=num[sd];

WrDat(temp5);

WrOp(0x85);

temp4=num[fg];

WrDat(temp4);

WrOp(0x86);

temp3=num[fd];

WrDat(temp3);

WrOp(0x88);

temp2=num[mg];

WrDat(temp2);

WrOp(0x89);

temp1=num[md];

WrDat(temp1);

}

void Send_pcf8563_byte(uchar bb) //向PCF8563發送壹個字節

{

uchar aa;

pcf8563_scl=0;

for(aa=0;aa<8;aa++)

{

if((bb&0x80)==0x80)

{

pcf8563_sda=1;

}

else

{

pcf8563_sda=0;

}

pcf8563_scl=1;

pcf8563_scl=0;

bb=bb<<1;

}

_nop_();

_nop_();

pcf8563_sda=1;

pcf8563_scl=1;

busy=0;

if(pcf8563_sda)

{

busy=1;

}

else

{

_nop_();

_nop_();

pcf8563_scl=0;

busy=0;

}

}

void write_pcf8563(uchar subadd,uchar dat)// 向PCF8563對應地址寫數據

{

start_pcf8563();

Send_pcf8563_byte(0xa2);

if(!busy)

{

Send_pcf8563_byte(subadd);

if(!busy)

{

Send_pcf8563_byte(dat);

}

}

stop_pcf8563();

}

void read_pcf8563() //讀當時的時，分，鈔

{

start_pcf8563();

Send_pcf8563_byte(0xa2);

if(!busy)

{

Send_pcf8563_byte(0x02);

if(!busy)

{

start_pcf8563();

Send_pcf8563_byte(0xa3);

receive_pcf8563_byte();

sec=number&0x7f;

start_pcf8563();

Send_pcf8563_byte(0xa3);

receive_pcf8563_byte();

min=number&0x7f;

start_pcf8563();

Send_pcf8563_byte(0xa3);

receive_pcf8563_byte();

hou=number&0x3f;

}

}

stop_pcf8563();

}

void receive_pcf8563_byte() //從PCF8563接受壹個字節

{uchar cc;

pcf8563_sda=1;

number=0;

for(cc=0;cc<8;cc++)

{

number<<=1;

pcf8563_scl=0;

pcf8563_scl=1;

_nop_();

_nop_();

number= number|pcf8563_sda;

}

pcf8563_scl=0;

_nop_();

_nop_();

}

void start_pcf8563() //開啟PCF8563IIC

{

pcf8563_sda=1;

pcf8563_scl=1;

pcf8563_sda=0;//SCL為低，SDA執行壹個上跳

pcf8563_scl=0;//SCL為低，嵌住數據線

}

void stop_pcf8563() //關閉PCF8563IIC

{

pcf8563_sda=0;

pcf8563_scl=1;

pcf8563_sda=1;//SCL為高，SDA執行壹個上跳

pcf8563_scl=0;//SCL為低，嵌住數據線

}

void main(void)

{

LcdIni(); //初始化屏

display0(); //顯示必要的背影

write_pcf8563(0x02,sec); //寫鈔

write_pcf8563(0x03,min); //寫分

write_pcf8563(0x04,hou); //寫時

while(1)

{

read_pcf8563();//讀當前時間

spit_time(); //切害時間，為顯示做準備

display1(); //顯示當前時間

}

}