基于51与DS1302时钟芯片数码管显示万年历

基于51与DS1302时钟芯片数码管显示

#include

#include

#define uchar unsigned char

#define uint unsigned int

uchar data_7seg[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};

uchar hour,min,sec,year,mon,day,week,count,count1,ts;

sbit rst=P1^0; //1302脚1

sbit sck=P1^1; //1302脚2

sbit io=P1^2; //1302脚3

sbit shi=P1^3; //时

sbit fen=P1^4; //分

sbit miao=P1^5; //秒

sbit nian=P1^6; //年

sbit yue=P1^7; //月

sbit ri=P3^0; //日

sbit xq=P3^1; //星期

sbit miaodian=P3^2; //秒点

sbit deng=P3^3; //整点报时灯

sbit gm=P3^4; //光敏模块

sbit zd=P3^5; //节日报模块

sbit sun=P3^6; //太阳灯

sbit yuel=P3^7; //月亮灯

/******************************函数声明********************************************/

void write_ds1302_byte(uchar dat); //1302字节写

void write_ds1302(uchar add,uchar dat); //1302地址读

uchar read_ds1302(uchar add); //1302地址读

void read_rtc(); //1302字节写

void set_rtc();

void display();

void delay(int n);

void dsbz(); //判断语句定义

/**********************************DS1302单字节写入***********************************/

void write_ds1302_byte(uchar dat)

{

uchar i;

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

{

sck=0;

io=dat&0x01;

dat=dat>>1;

sck=1;

}

}

/***********************************DS1302多字节写入************************************/

void write_ds1302(uchar add,uchar dat)

{

rst=0;_nop_();

sck=0;_nop_();

rst=1;_nop_();

write_ds1302_byte(add);

write_ds1302_byte(dat);

rst=0;_nop_();

io=1;

sck=1;

}

/****************************************DS1302读取**************************************************/

uchar read_ds1302(uchar add)

{

uchar i,value;

rst=0;_nop_();

sck=0;_nop_();

rst=1;_nop_();

write_ds1302_byte(add);

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

{

value=value>>1;

sck=0;

if (io) value=value|0x80;

sck=1;

}

rst=0;_nop_();

sck=0;_nop_();

sck=1;

io=1;

return value;

}

/***********************************调整时间****************************************************/

void set_rtc()

{

if (shi==0)

delay(100);

{

hour=(hour>>4)*10+(hour&0x0f);

hour++;

if (hour==24) hour=0;

hour=((hour/10)<<4)+(hour%10);

write_ds1302(0x84,hour);

}

if (fen==0)

delay(100);

if (fen==0)

{

min=(min>>4)*10+(min&0x0f);

min++;

if (min==60) min=0;

min=((min/10)<<4)+(min%10);

write_ds1302(0x82,min);

}

if (miao==0)

delay(100);

if (miao==0)

{

sec=(sec>>4)*10+(sec&0x0f);

sec++;

if (sec==60) sec=0;

sec=((sec/10)<<4)+(sec%10);

write_ds1302(0x80,sec);

}

if (nian==0)

delay(100);

if (nian==0)

{

year=( year>>4)*10+( year&0x0f);

year++;

if ( year==37) year=0;

year=(( year/10)<<4)+( year%10);

write_ds1302(0x8c, year);

}

if (yue==0)

if (yue==0)

{

mon=(mon>>4)*10+(mon&0x0f);

mon++;

if (mon==13) mon=1;

mon=((mon/10)<<4)+(mon%10);

write_ds1302(0x88,mon);

}

if (ri==0)

delay(100);

if (ri==0)

{

day=(day>>4)*10+(day&0x0f);

day++;

if (day==32) day=1;

day=((day/10)<<4)+(day%10);

write_ds1302(0x86,day);

}

if (xq==0)

delay(100);

if (xq==0)

{

week=(week>>4)*10+(week&0x0f);

week--;

if (week==0) week=7;

week=((week/10)<<4)+(week%10);

write_ds1302(0x8A,week);

}

}

/****************************************************读取时间*********************************/

void read_rtc()

{

year=read_ds1302(0x8d); //年

mon=read_ds1302(0x89); //月

day=read_ds1302(0x87); //日

week=read_ds1302(0x8b); //星期

hour=read_ds1302(0x85); //时

min=read_ds1302(0x83); //分

sec=read_ds1302(0x81); //秒

}

/*************************************显示时间********************************************/

void display()

{

unsigned int a=1;

P2=0x06;P0=data_7seg[year,0x02];delay(a); //年

P2=0x07;P0=data_7seg[year%1];delay(a);

P2=0x08;P0=data_7seg[year/16];delay(a);

P2=0x09;P0=data_7seg[year%16];delay(a);

P2=0x0a;P0=data_7seg[mon/16];delay(a); //月

P2=0x0b;P0=data_7seg[mon%16];delay(a);

P2=0x0c;P0=data_7seg[day/16];delay(a); //日

P2=0x0d;P0=data_7seg[day%16];delay(a);

P2=0x0e;P0=data_7seg[week/1];delay(a); //星期

P2=0x00;P0=data_7seg[hour/16];delay(a); //时

P2=0x01;P0=data_7seg[hour%16];delay(a);

P2=0x02;P0=data_7seg[min/16];delay(a); //分

P2=0x03;P0=data_7seg[min%16];delay(a);

P2=0x04;P0=data_7seg[sec/16];delay(a); //秒

P2=0x05;P0=data_7seg[sec%16];delay(a);

}

/**********************************延时程序*****************************************************/

void delay(int n)

{

unsigned int i,j;

for(i=0;i

{

for(j=0;j<121;j++)

{;}

}

}

/*****************************************主程序**************************************************/

void main()

{

TMOD=0x01;

TH0=0x3c;

TL0=0xb0;

EA=1;

ET0=1;

while (1)

{

set_rtc(); //按键

read_rtc(); //读取时间

display(); //延时函数

dsbz(); //判断函数

TR0=1;

}

}

/****************************************判断语句*******************************************************/

void dsbz()

{

if(hour==0x12&&min==0x00&&sec<0x12) //中午12点报时

{

deng=0;

delay(100);delay(100);delay(100);

deng=1;

delay(100);delay(100);delay(100);

deng=0;

}

if(hour==0x12&&min==0x00&&sec>=0x12) //12点报时停{

deng=1;

}

if(hour==0x18&&min==0x00&&sec<6) //16点报时开始{

deng=0;

delay(100); delay(100);delay(100);

deng=1;

delay(100); delay(100);delay(100);

deng=0;

}

if(hour==0x18&&min==0x00&&sec>=6) //16点报时停{

deng=1;

}

if(gm==0&&hour==0x00&&min==0x30) //光敏睡觉报警{

deng=0;

delay(100); delay(100);delay(100);

deng=1;

delay(100); delay(100);delay(100);

deng=0;

}

if(gm==1&&hour==0x00) //光敏睡觉报警停

{

deng=1;

}

if(hour<0x18&&hour>=0x05) //月亮转太阳

{

sun=0;

yuel=1;

}

if(hour>=0x18&&hour>=0x05) //太阳转月亮{

sun=1;

yuel=0;

}

if(day==0x13) //彩灯

{

zd=0;

}

if(day==0x14)

{

zd=1;

}

}

void int1()interrupt 1

{

count++;

if(count==10)

{

count=0;

count1++;

}

if(count1==1)

{

miaodian=0;

}

if(count1==2)

{

miaodian=1;

count1=0;

}

}