51时钟

ID:333495 · 发表于 2018-5-19 10:22

#include <reg52.h>
   #define uchar unsigned char
   #define uint unsigned int
   #include "24c02.h"
   sbit dula=P2^6;
   sbit wela=P2^7;
   sbit rs=P3^5;
   sbit lcden=P3^4;
   sbit s1=P3^0;
   sbit s2=P3^1;
   sbit s3=P3^2;
   sbit rd=P3^7;
   sbit beep=P2^3;
   uchar count,s1num;
   char miao,shi,fen;
   uchar code table[]="  2018-5-20 MON";
   void delay(uint z)
   {
      uint x,y;
   for(x==z;x>0;x--)
      for(y=110;y>0;y--);
}
   void di()
   {
      beep=0;
   delay(100);
   beep=1;
   }
   void write_com(uchar com)
   {
      rs=0;
   lcden=0;
   P0=com;
   delay(5);
   lcden=1;
   delay(5);
   lcden=0;
   }
   void write_date(uchar date)
   {
      rs=1;
   lcden=0;
   P0=date;
   delay(5);
   lcden=1;
   delay(5);
   lcden=0;
}
   void write_sfm(uchar add,uchar date)
   {
   uchar shi,ge;
   shi=date/10;
   ge=date%10;
   write_com(0x80+0x40+add);
   write_date(0x30+shi);
   write_date(0x30+ge);
   }
   void init()
   {
      uchar num;
rd=0;
dula=0;
wela=0;
lcden=0;
fen=0;
miao=0;
shi=0;
count=0;
s1num=0;
init_24c02();
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(num=0;num<15;num++)
   {
      write_date(table[num]);
   delay(5);
        }
write_com(0x80+0x40+6);
write_date(':');
delay(5);
write_com(0x80+0x40+9);
write_date(':');
delay(5);
miao=read_add(1);
fen=read_add(2);
shi=read_add(3);
write_sfm(10,miao);
write_sfm(7,fen);
write_sfm(4,shi);
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)/256;
EA=1;
ET0=1;
TR0=1;
}
void keyscan()
      {
if(s1==0)
{
      delay(5);
if(s1==0)
{ s1num++;
while(!s1);
di();
if(s1num==1)
{
      TR0=0;
write_com(0x80+0x40+10);
write_com(0x0f);
}
if(s1num==2)
{
      write_com(0x80+0x40+7);
}
if(s1num==3)
{
      write_com(0x80+0x40+4);
      }
if(s1num==4)
{
      s1num=0;
write_com(0x0c);
TR0=1;
}
}
}
if(s1num!=0)
{
      if(s2==0)
{
      delay(5);
if(s2==0)
{
   while(!s2);
   di();
   if(s1num==1)
   {
         miao++;
if(miao==60)
   miao==0;
   write_sfm(10,miao);
   write_com(0x80+0x40+10);
   write_add(1,miao);
}
if(s1num==2)
{
      fen++;
if(fen==60)
   fen==0;
   write_sfm(7,fen);
   write_com(0x80+0x40+7);
   write_add(2,fen);
}
   if(s1num==3)
         {          shi++;
     if(shi==24)
   shi==0;
   write_sfm(4,shi);
   write_com(0x80+0x40+4);
   write_add(3,shi);
}
}
}
if(s3==0)
{
   delay(5);
   if(s3==0)
   {
      while(!s3);
di();
if(s1num==1)
{
   miao--;
   if(miao--);
         miao==59;
   write_sfm(10,miao);
   write_com(0x80+0x40+10);
   write_add(1,miao);
}
if(s1num==2)
{
   fen--;
   if(fen--);
         fen==59;
   write_sfm(7,miao);
   write_com(0x80+0x40+7);
   write_add(2,fen);
}
if(s1num==3)
{
   shi--;
   if(shi--);
         shi==23;
   write_sfm(4,shi);
   write_com(0x80+0x40+4);
   write_add(3,shi);
   }
}
}
}
}
void mian()
   {  init();
while(1)
{
   keyscan();
}
}
void timer0() interrupt 1
{
      TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
if(count==20)
{
   count=0;
   miao++;
   if(fen==60)
   {
      fen++;
if(fen==60)
{
   fen=0;
   shi++;
   if(shi==24)
   {
         shi=0;
   }
   write_sfm(4,shi);
   write_add(3,shi);
   }
   write_sfm(7,fen);
   write_add(2,fen);
   }
   write_sfm(10,miao);
   write_add(1,miao);
   }
   }

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