带闹钟功能的数字时钟程序

#include

#include

#define uint unsigned int

#define uchar unsigned char

sbit lcdrs=P1^0;

sbit lcdrw=P1^6;

sbit lcden=P1^1 ;

sbit k1set=P2^0;//控制模式选择

sbit k2up=P2^1;//加操作

sbit k3down=P2^2;//减操作

sbit T_RST=P1^2;

sbit T_IO=P1^3;

sbit T_CLK=P1^4;

sbit ACC0=ACC^0;

sbit ACC7=ACC^7;

uint t1;

sbit did=P3^5;

uchar clocks,clockf,clockm,year,week,weeks,day,month,b,sw,gw,t,years,months,days;//b就是keyflag按键标志位

uchar hour,mie,sei,c,nhour,nmie,shour,smie,clockms,i;

uint keyflag;//按键标志位

/*********延时函数****************/

void delay(uint z)

{

uint x,y;

for(x=0;x<114;x++)

for(y=0;y

}

/********ds1320控制***************/

void write_byte(uchar da)//上升沿，写入操作

{

uchar i;

ACC=da;

for(i=8;i>0;i--)

{

T_IO=ACC0;

T_CLK=1;

T_CLK=0;

ACC>>=1;

}

}

uchar read_byte(void)//下降沿，读操作

{

uchar i;

for(i=8;i>0;i--)

{

ACC>>=1;

ACC7=T_IO;

T_CLK=1;

T_CLK=0;

}

return(ACC);

}

void write_1302(uchar addr,uchar da) //写数据，先送地址，在写数据{

T_RST=0;//停止工作

T_CLK=0;

T_RST=1;//重新工作

write_byte(addr);//写地址

write_byte(da);//写入数据

T_CLK=1;

T_RST=0;

}

uchar read_1302(uchar addr)//读数据，先送地址再读数据

{

uchar temp,tempsw,tempgw,temp10;

T_RST=0;

T_CLK=0;

T_RST=1;

write_byte(addr);//写入地址

temp=read_byte();

T_CLK=1;

T_RST=0;//停止工作

tempsw=temp/16;tempgw=temp%16;

temp10=10*tempsw+tempgw;

return(temp10);//temp是16进制的

}

void Initial(void)

{

write_1302(0x8e,0x00); //禁止写保护

write_1302(0x80,0x00); //秒位初始化

write_1302(0x82,0x06); //分钟初始化

write_1302(0x84,0x22); //时位初始化

write_1302(0x86,0x05); //写日

write_1302(0x88,0x05); //写月

write_1302(0x8a,0x06); //写星期

write_1302(0x8c,0x12); //写年

write_1302(0x8e,0x80); //允许写保护

}

/********1602显示***************/

void write_cmd(char cmd)

{

lcdrs=0;

P0=cmd;

delay(1);

lcden=1;

delay(1);

lcden=0;

}

void write_data(uchar dat)

{

lcdrs=1;

P0=dat ;

delay(1);

lcden=1;

delay(1);

lcden=0;

}

void write_str(uchar *str)

{

while(*str!='\0')

{

write_data(*str++);

delay(5);

}

}

/*********响铃***********************/

void fn()

{did=0;while(did==0){if(k2up==0)did=1;}

while(did==1){if(k3down==0)did=0;}did=1;delay(120);

}

/*************初始化*********************/

void init()

{

b=0; t=0; nhour=7;nmie=0;

keyflag=0;

////初始化1602

lcdrw=0;

lcden=0;

write_cmd(0x38);

write_cmd(0x0c);

write_cmd(0x06);

write_cmd(0x01);

write_cmd(0x80);

b=0;

//Initial() ;

}

/********显示函数*******************/

void display(uchar tt)

{

write_data(tt/10+48);

write_data(tt%10+48);

}

/**************按键函数********************/

void keyscan()

{

uchar

clocks1,clocks2,clockf1,clockf2,year1,year2,month1,month2,day1,day2,clockm1,clockm2,week1;

if(k1set==0)

{

delay(10);

if(k1set==0)

{did=0;delay(10);did=1;b++;}

while(!k1set);write_cmd(0xcf);write_str("M");

if(b==1)

{

years=year;

months=month;

days=day;

weeks=week;

hour=clocks;

mie=clockf;

clockms=clockm;

write_cmd(0x80);

write_str("DA TE:20");

write_data(years/10+48);

write_data(years%10+48);

write_str("/");

write_data(months/10+48);

write_data(months%10+48);

write_str("/");

write_data(days/10+48);

write_data(days%10+48); write_cmd(0x87);

write_cmd(0x0f);//开显示光标

}

if(b==2){write_cmd(0x8a);}

if(b==3){write_cmd(0x8d);}

if(b==4)

{

write_cmd(0xc5);

}

if(b==5)

{

write_cmd(0xc8);

}

if(b==6)

{

write_cmd(0xce);

}

if(b==7)

{

write_cmd(0xc0);

write_str("ALAM");

write_cmd(0xc5);

display(nhour);

write_str(":");

display(nmie);

write_str("--W AKE");

write_cmd(0xc5);

}

if(b==8)

{

write_cmd(0xc8);

display(nmie);

write_str("--W AKE");

write_cmd(0xc8);

}

if(b==9)

{write_cmd(0x01);

write_cmd(0x0c);

// write_str("TIME ");

b=0;

clocks1=hour/10; ///十进制转换十六进制

clocks2=hour%10;

clocks1=clocks1&0xff;

clocks2=clocks2&0xff;

clocks1<<=4;

clocks1=clocks1|clocks2;

clockm1=clockms/10;

clockm2=clockms%10;

clockm1=clockm1&0xff;

clockm2=clockm2&0xff;

clockm1<<=4;

clockm1=clockm1|clockm2;

clockf1=mie/10;

clockf2=mie%10;

clockf1=clockf1&0xff;

clockf2=clockf2&0xff;

clockf1<<=4;

clockf1=clockf1|clockf2;

day1=days/10; ///十进制转换十六进制

day2=days%10;

day1=day1&0xff;

day2=day2&0xff;

day1<<=4;

day1=day1|day2;

month1=months/10; ///十进制转换十六进制month2=months%10;

month1=month1&0xff;

month2=month2&0xff;

month1<<=4;

month1=month1|month2;

year1=years/10; ///十进制转换十六进制

year2=years%10;

year1=year1&0xff;

year2=year2&0xff;

year1<<=4;

year1=year1|year2;

week1=weeks%10;

write_1302(0x8e,0x00);//wp=0，写操作

write_1302(0x80,0x00);//写秒

write_1302(0x82,clockf1);//写分

write_1302(0x84,clocks1);//写时

write_1302(0x86,day1); // 写日

write_1302(0x88,month1);//写月

write_1302(0x8a,week1); //写星期

write_1302(0x8c,year1); //写年

write_1302(0x8e,0x80);//WP=1，写保护

}

}

if(b!=0)

{

if(k2up==0)

{

delay(5);

if(k2up==0)

{did=0;delay(10);did=1;delay(10);

while(!k2up);

if(b==1)

{

years++;

if(years>=99)

years=1;

write_cmd(0x87);

display(years);

write_cmd(0x87);

}

if(b==2)

{

months++;

if(months>=12)

months=1;

write_cmd(0x8a);

display(months);

write_cmd(0x8a);

}

if(b==3)

{

days++;

if(days>=32)

days=1;

write_cmd(0x8d);

display(days);

write_cmd(0x8d);

}

if(b==4)

{

hour++;

if(hour>=24)

hour=0;

write_cmd(0xc5);

display(hour);

write_cmd(0xc5);

}

if(b==5)

{

mie++;

if(mie>=60)

mie=0;

write_cmd(0xc8);

display(mie);

write_cmd(0xc8);

}

if(b==6)

{

weeks++;

if(weeks>7)

weeks=1;

write_cmd(0xce);

write_data(weeks%10+48);

write_cmd(0xce);

}

if(b==7)

{

nhour++;

if(nhour>=24)

nhour=0;

write_cmd(0xc5);

display(nhour);

write_cmd(0xc5);

}

if(b==8)

{

nmie++;

if(nmie>=60)nmie=0;

write_cmd(0xc8);

display(nmie);

write_cmd(0xc8);

}

}

}

if(k3down==0)

{ delay(10);

if(k3down==0)

{

did=0;delay(10);did=1;delay(10);

while(!k3down);

if(b==1)

{

years=years-1;

if(years==-1)

years=99;

write_cmd(0x87);

display(years);

write_cmd(0x87);

}

if(b==2)

{

months--;

if(months<=0)

months=12;

write_cmd(0x8a);

display(months);

write_cmd(0x8a);

}

if(b==3)

{

days--;

if(days==0)

days=31;

write_cmd(0x8d);

display(days);

write_cmd(0x8d);

}

if(b==4)

{

hour=hour-1;

if(hour==-1)

hour=23;

write_cmd(0xc5);

display(hour);

write_cmd(0xc5);

}

if(b==5)

{

mie=mie-1;

if(mie==-1)

mie=59;

write_cmd(0xc8);

display(mie);

write_cmd(0xc8);

}

if(b==6)

{

weeks=weeks-1;

if(weeks==0)

weeks=7;

write_cmd(0xce);

write_data(weeks%10+48);

write_cmd(0xce);

}

if(b==7)

{

nhour=nhour-1;

if(nhour==-1)

nhour=23;

write_cmd(0xc5);

display(nhour);

write_cmd(0xc5);

}

if(b==8)

{

nmie=nmie-1;

if(nmie==-1)nmie=59;

write_cmd(0xc8);

display(nmie);

write_cmd(0xc8);

}

}

}

}

}

/***************主函数*****************************/ void main()

{

init();

while(1)

{

keyscan();

if(b==0)

{

clockf=read_1302(0x83);

clocks=read_1302(0x85);

clockm=read_1302(0x81);

year=read_1302(0x8d);

month=read_1302(0x89);

day=read_1302(0x87);

week=read_1302(0x8b);

write_cmd(0x80);

write_str("DA TE:20");

write_data(year/10+48);

write_data(year%10+48);

write_str("/");

write_data(month/10+48);

write_data(month%10+48);

write_str("/");

write_data(day/10+48);

write_data(day%10+48);

write_cmd(0xc0);

write_str("TIME:");

display(clocks);

write_str(":");

display(clockf);

write_str(":");

display(clockm);

write_str("-");

write_data(week%10+48);

for(i=0;i<=24;i=i+2)

{ if((clocks==nhour+i)&&(clockf==nmie)) fn();

//while(did==0){if(k2up==0)did=1;}

//while(did==1){if(k3down==0)did=0;} }

}

}

}