急求！！关于DS12C887的数字钟设计不能修改时间的问题

203110922

1楼-- · 2019-07-15 19:21

没人吗，真的很急，为什么修改了时间之后，显示屏上不能显示修改的时间，而是一直显示图上的时间

203110922

2楼-- · 2019-07-15 23:59

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit rs=P1^3;//液晶数据命令选择断
sbit lcden=P3^4;//液晶使能端
sbit s1=P2^4;//功能键
sbit s2=P2^5;//增大键
sbit s3=P2^6;//减小键
sbit beep=P1^2;//蜂鸣器
sbit dscs=P1^4;//芯片片选端
sbit dsas=P1^5;//地址选通输入端
sbit dsrw=P1^6;//写允许输入
sbit dsds=P1^7;//读允许输入
sbit dsirq=P3^3;//终端请求输出
uchar count,s1num,flag;
bit flag1;
char miao,shi,fen,nian,yue,ri,week;
uchar code table[]="  20  -  -    ";//液晶固定显示
uchar code table1[]="    :  :    ";
uchar code table2[]=" Hello everyone!";
uchar code table3[]="Nice to meet you!";
void write_ds(uchar,uchar);
void set_alarm(uchar,uchar,uchar);
uchar read_ds(uchar);void set_time();
uchar amiao,ashi,afen;
void delay(uint z)//延时函数
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void di()//按键时蜂鸣器发音
{
beep=0;
delay(100);
beep=1;
}
void didi() //闹钟时蜂鸣器发音
{
beep=0;
delay(50);
beep=1;
delay(100);
beep=0;
delay(50);
beep=1;
}
void write_com(uchar com)//写液晶命令函数
{
rs=0;
lcden=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void write_date(uchar date)//写液晶具体数据函数
{
rs=1;
lcden=0;
P0=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}

void init()//程序初始化
{
uchar num;
EA=1;//打开总中断
EX1=1;//开外部中断1
IT1=1;//设置负跳变沿触发方式

lcden=0;
week=1;
// set_time();//给DS12C887设置时间函数
set_alarm(2,2,10);//设置闹铃函数
write_ds(0x0B,0x26);//设置DS12C887 24小时模式
write_com(0x38);//1602液晶初始化
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);//定位数据指针第一行第一列
for(num=0;num<16;num++)//写入液晶平移内容
{
write_date(table2[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<16;num++)
{
write_date(table3[num]);
delay(5);
}
write_com(0x80+0x10);//写入液晶固定内容
for(num=0;num<16;num++)
{
write_date(table[num]);
delay(5);
}
write_com(0x80+0x50);
for(num=0;num<16;num++)
{
write_date(table1[num]);
delay(5);
}
}

void write_sfm(uchar add,uchar date)//在液晶上写入时分秒
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x50+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_sfm1(uchar add,uchar date)//在液晶上写入年月日
{
uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x10+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void write_week(uchar we)//星期函数
{
write_com(0x80+0x10+13);
switch(we)
{
  case 1:
  write_date('M');delay(5);
  write_date('O');delay(5);
  write_date('N');
  break;
case 2:
  write_date('T');delay(5);
  write_date('U');delay(5);
  write_date('E');
  break;
case 3:
  write_date('W');delay(5);
  write_date('E');delay(5);
  write_date('D');
  break;
case 4:
  write_date('T');delay(5);
  write_date('H');delay(5);
  write_date('U');
  break;
case 5:
  write_date('F');delay(5);
  write_date('R');delay(5);
  write_date('I');
  break;
case 6:
  write_date('S');delay(5);
  write_date('A');delay(5);
  write_date('T');
  break;
case 7:
  write_date('S');delay(5);
  write_date('U');delay(5);
  write_date('N');
break;
}
}
void keyscan()
{
if(flag1==1)//闹铃响
{
if(s2==0)
{
delay(5);
if(s2==0)
{
while(!s2);
di();
flag1=0;//中断闹铃
}

}
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!s3);
di();
flag1=0;//中断闹铃
}

}
}

if(s1==0)
{
delay(5);
if(s1==0)
{ s1num++;
flag=1;
flag1=0;
while(!s1);
di();
if(s1num==1)
         {

write_com(0x80+0x50+10);
write_com(0x0f);//光标停止位置不断闪烁
        }

if(s1num==2)
        {
write_com(0x80+0x50+7);
        }
if(s1num==3)
         {
write_com(0x80+0x50+4);
      }
if(s1num==4)
   {
   write_com(0x80+0x10+13);
   }
   if(s1num==5)
   {
   write_com(0x80+0x10+10);
   }
   if(s1num==6)
   {
   write_com(0x80+0x10+7);
}
if(s1num==7)
{
   write_com(0x80+0x10+4);
}
if(s1num==8)
{
s1num=0;
write_com(0x0c);//光标停止闪烁
write_ds(0,miao);//将此时时间信息写入DS12C887
write_ds(2,fen);
write_ds(4,shi);
write_ds(6,week);
write_ds(7,ri);
write_ds(8,yue);
write_ds(9,nian);
miao=read_ds(0);//平移时从时钟芯片中读取时间
fen=read_ds(2);
shi=read_ds(4);
week=read_ds(6);
ri=read_ds(7);
yue=read_ds(8);
nian=read_ds(9);
write_sfm(10,miao);//平移时将读取的时间写到液晶
write_sfm(7,fen);
write_sfm(4,shi);
write_week(week);
write_sfm1(10,ri);
write_sfm1(7,yue);
write_sfm1(4,nian);
flag=0;
}
                  }

}
if(s1num!=0)
{
if(s2==0)
{
delay(1);
if(s2==0)
{
while(!s2);
            di();
if(s1num==1)
{
miao++;
if(miao==60)
miao=0;
write_sfm(10,miao);//将变化后的时间写入液晶
write_com(0x80+0x50+10);

}
if(s1num==2)
{
fen++;
if(fen==60)
fen=0;
write_sfm(7,fen);
write_com(0x80+0x50+7);
}
if(s1num==3)
{
shi++;
if(shi==24)
shi=0;
write_sfm(4,shi);
write_com(0x80+0x50+4);
}
if(s1num==4)
{
week++;
if(week==8)
week=1;
write_week(week);
write_com(0x80+0x10+13);
}
if(s1num==5)
{
ri++;
if(ri==32)
ri=1;
write_sfm1(10,ri);
write_com(0x80+0x10+10);
}
if(s1num==6)
{
yue++;
if(yue==13)
yue=1;
write_sfm1(7,yue);
write_com(0x80+0x10+7);
}
if(s1num==7)
{
nian++;
if(nian==100)
nian=0;
write_sfm1(4,nian);
write_com(0x80+0x10+4);
}

}
}
if(s3==0)
{
delay(1);
if(s3==0)
{
while(!s3);
            di();
if(s1num==1)
{
miao--;
if(miao==-1)
miao=59;
write_sfm(10,miao);
write_com(0x80+0x50+10);
}
if(s1num==2)
{
fen--;
if(fen==-1)
fen=59;
write_sfm(7,fen);
write_com(0x80+0x50+7);
}
if(s1num==3)
{
shi--;
if(shi==-1)
shi=23;
write_sfm(4,shi);
write_com(0x80+0x50+4);
}
if(s1num==4)
{
week--;
if(week==0)
week=7;
write_week(week);
write_com(0x80+0x10+13);
}
if(s1num==5)
{
ri--;
if(ri==0)
ri=31;
write_sfm1(10,ri);
write_com(0x80+0x10+10);
}
if(s1num==6)
{
yue--;
if(yue==0)
yue=12;
write_sfm1(7,yue);
write_com(0x80+0x10+7);
}
if(s1num==7)
{
nian--;
if(nian==-1)
yue=99;
write_sfm1(4,nian);
write_com(0x80+0x10+4);
}
}
}
}
}

void write_ds(uchar add,uchar date)// DS12C887写入程序函数
{
dscs=0;
dsas=1;
dsds=1;
dsrw=1;
P0=add;
dsas=0;
dsrw=0;
P0=date;
dsrw=1;
dsas=1;
dscs=1;
}

uchar read_ds(uchar add)//从DS12C887中读取数据
{
uchar ds_date;
dsas=1;
dsds=1;
dsrw=1;
dscs=0;
P0=add;
dsas=0;
dsds=0;
P0=0xff;
ds_date=P0;
dsds=1;
dsas=1;
dscs=1;
return ds_date;
}

void set_time()//设置时间
{
write_ds(4,1);//小时
write_ds(2,2);//分钟
write_ds(6,3);//星期
write_ds(7,4);//日
write_ds(8,5);//月
write_ds(9,6);//年

}

void set_alarm(uchar ashi,uchar afen,uchar amiao)//设置闹铃
{
write_ds(1,amiao);
write_ds(3,afen);
write_ds(5,ashi);
}
void main()
{
uchar num,bo=0;
init();
delay(4000);
for(num=0;num<16;num++)
{
{
            write_com(0x18);//1602平移函数
            delay(600);
   }

keyscan();//按键检测

if(flag1==1)

didi();

if(flag==0)
{
miao=read_ds(0);//平移时从时钟芯片中读取时间
fen=read_ds(2);
shi=read_ds(4);
week=read_ds(6);
ri=read_ds(7);
yue=read_ds(8);
nian=read_ds(9);
write_sfm(10,miao);//平移时将读取的时间写到液晶
write_sfm(7,fen);
write_sfm(4,shi);
write_week(week);
write_sfm1(10,ri);
write_sfm1(7,yue);
write_sfm1(4,nian);
}
}
while(1)
{

keyscan();

if(flag1==1)

didi();

if(flag==0)
{
miao=read_ds(0);//读取数据
fen=read_ds(2);
shi=read_ds(4);
week=read_ds(6);
ri=read_ds(7);
yue=read_ds(8);
nian=read_ds(9);
write_sfm(10,miao);//写入数据
write_sfm(7,fen);
write_sfm(4,shi);
write_week(week);
write_sfm1(10,ri);
write_sfm1(7,yue);
write_sfm1(4,nian);
}
}

}

void exter() interrupt 2
{ uchar c;
flag1=1;
c=read_ds(0x0c);
}
附件是这个程序

203110922

3楼-- · 2019-07-16 02:18

xianyoudian 发表于 2015-5-4 14:40
按键处理没有做好

我仿真时出现的问题是显示屏上不能显示出初始时间以及修改后的时间，请问按键程序哪个地方出现问题了？

急求！！关于DS12C887的数字钟设计不能修改时间的问题

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