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#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char //無(wú)符號(hào)型變量0-255
//sbit dula=P2^6;
//sbit wela=P2^7;
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit s1=P3^0;
sbit s2=P3^1;
sbit s3=P3^2;
sbit s4=P3^3;
sbit rd=P3^7;
sbit dscs=P1^4;
sbit dsas=P1^5;
sbit dsrw=P1^6;
sbit dsds=P1^7;
sbit dsirq=P3^3;
void keyscan();
uchar num,count,s1num,flag,i;
char miao,shi,fen,Year,Month,Date,Week; //char 有符號(hào)型變量-128-127
uchar code table3[7][3]={"MON","TUE","WED","THU","FRI","STA","SUN"}; //星期的編碼
uchar code table[]=" 21-03-05 5";
uchar code table1[]=" 00:00:00";
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com) //LCD 寫指令
{
lcdrs=0; //RS 低電平寫指令
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date) //LCD 寫數(shù)據(jù)
{
lcdrs=1; //RS 高電平寫數(shù)據(jù)
P0=date;
delay(5);
lcden=1; //E=H給高脈沖
delay(5); //E=H延時(shí)
lcden=0; //關(guān)閉脈沖
}
//void set_time();
void init() //初始化
{
uchar num;
// dula=0;
// wela=0;
lcden=0;
// set_time();
dsds=0; dsds=0; dsds=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80); //指針位置
for(num=0;num<15;num++) //LCD寫第一行數(shù)據(jù)
{
write_data(table[num]);
delay(5);
}
// write_com(0x80+11); //星期位置
// for(i=0;i<3;i++)
// {
// write_data(table3[Week][i]); //寫入星期
// delay(5);
// }
write_com(0x80+0x40); //指針位置
for(num=0;num<12;num++) //LCD寫第二行數(shù)據(jù)
{
write_data(table1[num]); //lcd寫入時(shí)分秒
delay(5);
}
}
void write_sfm1(uchar add,uchar date1) // 年月日寫地址+數(shù)據(jù)
{
uchar shi,ge;
shi=date1/10; // 整數(shù)
ge=date1%10; // 余數(shù)
write_com(add+0x80);
write_data(0x30+shi); //寫入LCD 數(shù)據(jù)
write_data(0x30+ge);
}
void write_sfm(uchar add,uchar date) //十分秒寫地址+數(shù)據(jù)
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_data(0x30+shi);
write_data(0x30+ge);
}
void write_ds(uchar add,uchar date) //DS12C887 寫地址+數(shù)據(jù) 接入P2口
{
dscs=0;
dsds=1;
dsrw=1;
dsas=1;
P2=add;
dsas=0;
dsrw=0;
P2=date;
dsrw=1;
dsas=1;
dscs=1;
}
uchar read_ds(uchar add) //DS12C887 讀數(shù)據(jù) 接入P2口
{
uchar z;
dscs=0;
dsrw=1;
dsds=1;
dsas=1;
P2=add;
dsas=0;
dsds=0;
P2=0xff;
z=P2;
dsds=1;
dsas=1;
dscs=1;
return z;
}
//void set_time()
//{
//// write_ds(3,10);
//// write_ds(6,32);
//}
void main()
{
init();
write_ds(0x0a,0x20); //DS12CR887寄存器A功能設(shè)置，開啟時(shí)鐘振蕩器
write_ds(0x0b,0x06); //寄存器B功能設(shè)置，不開啟鬧鐘中斷使能，數(shù)據(jù)模式為二進(jìn)制，24小時(shí)模式。
write_ds(0x0a,0x00); //開始調(diào)時(shí)，DS12CR887關(guān)閉時(shí)鐘振蕩器
write_ds(0,55); // 初始化秒寫入55
write_ds(2,59); // 初始化分寫入55
write_ds(4,23); // 初始化時(shí) 寫入23
write_ds(6,7); //初始化星期
write_ds(7,02); //初始化日
write_ds(8,03); //初始化月
write_ds(9,21); //初始化年
while(1)
{
keyscan();
if(flag==0)
{
miao=read_ds(0); //讀秒
fen=read_ds(2); //讀分
shi=read_ds(4); //讀時(shí)
write_sfm(9,miao); //LCD 寫入秒
write_sfm(6,fen); //LCD 寫入分
write_sfm(3,shi); //LCD 寫入時(shí)
Year=read_ds(9); //讀年
Month=read_ds(8); //讀月
Date=read_ds(7); //讀日
Week=read_ds(6); //讀星期取消使用字母星期
write_sfm1(11,Week); //LCD 寫入周取消使用字母星期
write_sfm1(8,Date); //LCD 寫入日
write_sfm1(5,Month); //LCD 寫入月
write_sfm1(2,Year); //LCD 寫入年
}
}
}
void keyscan()
{
rd=0;
if(s1==0)
{
delay(5);
if(s1==0)
{
s1num++;
flag=1; // flag=1 時(shí)鐘停止開始調(diào)時(shí)
while(!s1);
if(s1num==1)
{
// TR0=0;
write_com(0x80+0x40+9);
write_com(0x0f);
}
if(s1num==2)
{
write_com(0x80+0x40+6);
}
if(s1num==3)
{
write_com(0x80+0x40+3);
}
if(s1num==4)
{
write_com(0x80+11);
}
if(s1num==5)
{
write_com(0x80+8);
}
if(s1num==6)
{
write_com(0x80+5);
}
if(s1num==7)
{
write_com(0x80+2);
}
if(s1num==8)
{
s1num=0;
write_com(0x0c);
flag=0; //此時(shí)時(shí)鐘開始啟動(dòng)
}
}
}
if(s1num!=0)
{
if(s2==0)
{
delay(5);
if(s2==0)
{
while(!s2);
if(s1num==1)
{
miao++;
if(miao==60)
miao=0;
write_sfm(9,miao);
write_com(0x80+0x40+9);
write_ds(0,miao);
}
if(s1num==2)
{
fen++;
if(fen==60)
fen=0;
write_sfm(6,fen);
write_com(0x80+0x40+6);
write_ds(2,fen);
}
if(s1num==3)
{
shi++;
if(shi==24)
shi=0;
write_sfm(3,shi);
write_com(0x80+0x40+3);
write_ds(4,shi);
}
if(s1num==4)
{
Week++;
if(Week==8)
Week=1;
write_sfm1(11,Week);
write_com(0x80+11);
write_ds(6,Week);
}
if(s1num==5)
{
Date++;
if(Date==32)
Date=1;
write_sfm1(8,Date);
write_com(0x80+8);
write_ds(7,Date);
}
if(s1num==6)
{
Month++;
if(Month==13)
Month=1;
write_sfm1(5,Month);
write_com(0x80+5);
write_ds(8,Month);
}
if(s1num==7)
{
Year++;
if(Year==29)
Year=18;
write_sfm1(2,Year);
write_com(0x80+2);
write_ds(9,Year);
}
}
}
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!s3);
if(s1num==1)
{
miao--;
if(miao==-1)
miao=59;
write_sfm(9,miao);
write_com(0x80+0x40+9);
write_ds(0,miao);
}
if(s1num==2)
{
fen--;
if(fen==-1)
fen=59;
write_sfm(6,fen);
write_com(0x80+0x40+6);
write_ds(2,fen);
}
if(s1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_sfm(3,shi);
write_com(0x80+0x40+3);
write_ds(4,shi);
}
if(s1num==4)
{
Week--;
if(Week==0)
Week=7;
write_sfm1(11,Week);
write_com(0x80+11);
write_ds(6,Week);
}
if(s1num==5)
{
Date--;
if(Date==0)
Date=31;
write_sfm1(8,Date);
write_com(0x80+8);
write_ds(7,Date);
}
if(s1num==6)
{
Month--;
if(Month==0)
Month=12;
write_sfm1(5,Month);
write_com(0x80+5);
write_ds(8,Month);
}
if(s1num==7)
{
Year--;
if(Year==18)
Year=29;
write_sfm1(2,Year);
write_com(0x80+2);
write_ds(9,Year);
}
}
}
}
}
//調(diào)節(jié)星期的程序
// Week++;
// switch(Week)
// {
// case 0:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 1:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 2:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 3:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 4:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 5:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 6:write_com(0x80+11);
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// case 7:write_com(0x80+11); Week=0;
// for(i=0;i<3;i++) write_data(table3[Week][i]); break;
// }
//DS12887 寫時(shí)鐘

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