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ds12c887时钟.c
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#include<reg52.h>
#include<1602.h>
#define uchar unsigned char
#define uint unsigned int
sbit jian=P3^7;
sbit jian1=P3^6;
sbit key1_jia=P3^0;
sbit key2_shan=P3^1;
sbit key3_jian=P3^2;
sbit dscs=P1^4;
sbit dsas=P1^5;
sbit dsrw=P1^6;
sbit dsds=P1^7;
sbit beep=P2^3;
sbit leled=P2^5;
uchar code table1[]=" : : ";
uchar flag=0,count=0;
char miao=0,shi=0,fen=0,mounth,date,day,flag1,aa,ashi,afen,amiao;
uint year;
void write_string(uchar *p,uchar address)
{
uchar i;
write_com(0x80+address);
for(i=0;p[i]!=0;i++)
{
write_dat(p[i]);
}
}
void ds_write(uchar address,uchar dat);
uchar ds_read(uchar adress);
void keyscan()
{
if(flag1==1)
{
if(key2_shan==0||key3_jian==0||key1_jia==0)
delay(5);
if(key2_shan==0||key3_jian==0||key1_jia==0)
flag1=0;
}
else
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
if(flag==0)
{
write_com(0x80+0x4a);
write_com(0x0d);
flag=1;
while(!key2_shan);
}
if(flag==1)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
write_com(0x80+0x47);
write_com(0x0d);
flag=2;
while(!key2_shan);
}
}
}
if(flag==2)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
write_com(0x80+0x44);
write_com(0x0d);
flag=3;
while(!key2_shan);
}
}
}
if(flag==3)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
amiao=ds_read(1);
afen=ds_read(3);
ashi=ds_read(5);
ds_write(0,miao);
ds_write(2,fen);
ds_write(4,shi);
write_com(0x80+0x4a);
write_dat(0x30+amiao/10);
write_dat(0x30+amiao%10);
write_com(0x80+0x47);
write_dat(0x30+afen/10);
write_dat(0x30+afen%10);
write_com(0x80+0x44);
write_dat(0x30+ashi/10);
write_dat(0x30+ashi%10);
write_com(0x80+0x4a);
write_com(0x0d);
flag=4;
while(!key2_shan);
}
}
}
if(flag==4)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
write_com(0x80+0x47);
write_com(0x0d);
flag=5;
while(!key2_shan);
}
}
}
if(flag==5)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
write_com(0x80+0x44);
write_com(0x0d);
flag=6;
while(!key2_shan);
}
}
}
if(flag==6)
{
if(key2_shan==0)
{
delay(5);
if(key2_shan==0)
{
flag=0;
write_com(0x0c);
ds_write(1,amiao);
ds_write(3,afen);
ds_write(5,ashi);
while(!key2_shan);
}
}
}
}
}
if(flag!=0)
{
if(key1_jia==0)
{
delay(5);
if(key1_jia==0)
{
if(flag==1)
{
miao++;
if(miao==60)
miao=0;
write_dat(0x30+miao/10);
write_dat(0x30+miao%10);
write_com(0x80+0x4a);
while(!key1_jia);
}
if(flag==2)
{
fen++;
if(fen==60)
fen=0;
write_dat(0x30+fen/10);
write_dat(0x30+fen%10);
write_com(0x80+0x47);
while(!key1_jia);
}
if(flag==3)
{
shi++;
if(shi==24)
shi=0;
write_dat(0x30+shi/10);
write_dat(0x30+shi%10);
write_com(0x80+0x44);
while(!key1_jia);
}
if(flag==4)
{
amiao++;
if(amiao==60)
amiao=0;
write_dat(0x30+amiao/10);
write_dat(0x30+amiao%10);
write_com(0x80+0x4a);
while(!key1_jia);
}
if(flag==5)
{
afen++;
if(afen==60)
afen=0;
write_dat(0x30+afen/10);
write_dat(0x30+afen%10);
write_com(0x80+0x47);
while(!key1_jia);
}
if(flag==6)
{
ashi++;
if(ashi==24)
ashi=0;
write_dat(0x30+ashi/10);
write_dat(0x30+ashi%10);
write_com(0x80+0x44);
while(!key1_jia);
}
}
}
if(key3_jian==0)
{
delay(5);
if(key3_jian==0)
{
if(flag==1)
{
miao--;
if(miao==-1)
miao=59;
write_dat(0x30+miao/10);
write_dat(0x30+miao%10);
write_com(0x80+0x4a);
while(!key3_jian);
}
if(flag==2)
{
fen--;
if(fen==-1)
fen=59;
write_dat(0x30+fen/10);
write_dat(0x30+fen%10);
write_com(0x80+0x47);
while(!key3_jian);
}
if(flag==3)
{
shi--;
if(shi==-1)
shi=23;
write_dat(0x30+shi/10);
write_dat(0x30+shi%10);
write_com(0x80+0x44);
while(!key3_jian);
}
if(flag==4)
{
amiao--;
if(amiao==-1)
amiao=59;
write_dat(0x30+amiao/10);
write_dat(0x30+amiao%10);
write_com(0x80+0x4a);
while(!key3_jian);
}
if(flag==5)
{
afen--;
if(afen==-1)
afen=59;
write_dat(0x30+afen/10);
write_dat(0x30+afen%10);
write_com(0x80+0x47);
while(!key3_jian);
}
if(flag==6)
{
ashi--;
if(ashi==-1)
ashi=23;
write_dat(0x30+ashi/10);
write_dat(0x30+ashi%10);
write_com(0x80+0x44);
while(!key3_jian);
}
}
}
}
}
}
void ds_write(uchar address,uchar dat)
{
dscs=0;
dsas=0;
dsds=1;
dsrw=1;
dsas=1;
P0=address;
dsas=0;
dsrw=0;
P0=dat;
dsrw=1;
dscs=1;
dsas=1;
}
uchar ds_read(uchar adress)
{
uchar dat;
dscs=0;
dsds=1;
dsrw=1;
dsas=1;
P0=adress;
dsas=0;
dsds=0;
P0=0xff;
dat=P0;
dsds=1;
dscs=1;
dsas=1;
return dat;
}
/*void inti_ds(uchar dsshi,uchar dsfen,uchar dsmiao,uchar dsyear,uchar dsmounth,uchar dsdate,uchar dsday)
{
ds_write(0,dsmiao);
ds_write(2,dsfen);
ds_write(4,dsshi);
ds_write(9,dsyear);
ds_write(8,dsmounth);
ds_write(7,dsdate);
ds_write(6,dsday);
} */
void read()
{
miao=ds_read(0);
fen=ds_read(2);
shi=ds_read(4);
year=ds_read(9);
mounth=ds_read(8);
date=ds_read(7);
day=ds_read(6);
}
void displaysfmnyr()
{
write_com(0x80+0x4a);
write_dat(0x30+miao/10);
write_dat(0x30+miao%10);
write_com(0x80+0x47);
write_dat(0x30+fen/10);
write_dat(0x30+fen%10);
write_com(0x80+0x44);
write_dat(0x30+shi/10);
write_dat(0x30+shi%10);
write_com(0x80+0x4a);
write_dat(0x30+miao/10);
write_dat(0x30+miao%10);
write_com(0x80+0x03);
write_dat(0x30+year/10);
write_dat(0x30+year%10);
write_com(0x80+0x06);
write_dat(0x30+mounth/10);
write_dat(0x30+mounth%10);
write_com(0x80+0x09);
write_dat(0x30+date/10);
write_dat(0x30+date%10);
write_com(0x80+0x0c);
write_dat(0x30+day/10);
write_dat(0x30+day%10);
}
/*void alarm_inti(uchar ashi,uchar afen,uchar amiao)
{
ds_write(1,amiao);
ds_write(3,afen);
ds_write(5,ashi);
} */
void didi()
{
beep=0;
delay(200);
beep=1;
delay(200);
beep=0;
delay(200);
beep=1;
delay(400);
}
void main()
{
jian=0;
jian1=0;
leled=0;
EA=1;
EX1=1;
IT1=1;
inti();
ds_write(0x0b,0x26);
// inti_ds(15,57,3,19,8,5,1);
write_string(table1,0x40);
// alarm_inti(17,55,50);
aa=ds_read(0x0c);
while(1)
{
keyscan();
if(flag==0)
{
read();
displaysfmnyr();
}
if(flag1==1)
didi();
}
}
void alarm() interrupt 2
{
flag1=1;
aa=ds_read(0x0c);
}