用51单片机做一个定时闹钟

用bug解决bug

已于 2022-04-23 20:09:33 修改

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分类专栏： c语言文章标签： c语言

于 2022-04-23 20:06:44 首次发布

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#include<reg52.h>
#include<stdlib.h>
#include<stdio.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char

uint num,A_num,x=0;
uint h,m,s;
uint h1=0,m1=0,s1=0,sign=1;

uchar code Zifu[]="0123456789";

sbit beep = P2^3;

sbit LCD_EN = P3^4;
sbit LCD_RS = P3^5;

sbit duan = P2^6;
sbit wei = P2^7;

sbit key_A = P3^6;
sbit key_B = P3^7;

void delay_1ms(uchar x){
   uchar i,j;
   for(j=0;j<x;j++)
       for(i=0;i<110;i++);
}

void write_command(uchar command){
   LCD_RS = 0;
   LCD_EN = 0;
   P0 = command;
   delay_1ms(2);
   LCD_EN = 1;
   delay_1ms(2);
   LCD_EN = 0;
}

void write_data(uchar yes){
   LCD_RS = 1;
   LCD_EN = 0;
   P0 = yes;
   delay_1ms(2);
   LCD_EN = 1;
   delay_1ms(2);
   LCD_EN = 0;
}

void lcd_post(int X,int Y){
   write_command(0x80+X*(0x40)+Y);
}

void init(){
   h=m=s=0;
   num=A_num=0;

   LCD_EN=0;
   write_command(0x38);
   write_command(0x0c);
   //write_command(0x06);
   write_command(0x01);

   TMOD = 0x02;
   TH0 = 6;
   TL0 = 6;
   EA = 1;
   ET0 = 1;
   TR0 = 1;


   lcd_post(0,0); write_data(Zifu[h/10]);
   lcd_post(0,1); write_data(Zifu[h%10]);

   lcd_post(0,2); write_data(':');

   lcd_post(0,3); write_data(Zifu[m/10]);
   lcd_post(0,4); write_data(Zifu[m%10]);

   lcd_post(0,5); write_data(':');

   lcd_post(0,6); write_data(Zifu[s/10]);
   lcd_post(0,7); write_data(Zifu[s%10]);

   lcd_post(1,5); write_data('a');
   lcd_post(1,6); write_data('l');
   lcd_post(1,7); write_data('a');
   lcd_post(1,8); write_data('r');
   lcd_post(1,9); write_data('m');

   lcd_post(1,10); write_data(' ');
   lcd_post(1,11); write_data('c');

   lcd_post(1,12); write_data('l');

   lcd_post(1,13); write_data('o');
   lcd_post(1,14); write_data('c');
   lcd_post(1,15); write_data('k');
}

void ling()
{
   unsigned char a;
   for(a=0;a<500;a++)
   {

   if((P1&0x80)==0)
   {
   break;
   }

   lcd_post(1,5); write_data('l');
   lcd_post(1,6); write_data('i');
   lcd_post(1,7); write_data('n');
   lcd_post(1,8); write_data('g');
   lcd_post(1,9); write_data('!');
   lcd_post(1,10); write_data(' ');
   lcd_post(1,11); write_data('l');
   lcd_post(1,12); write_data('i');
   lcd_post(1,13); write_data('n');
   lcd_post(1,14); write_data('g');
   lcd_post(1,15); write_data('!');
   beep=0;

   delay_1ms(500);
   lcd_post(1,5); write_data(' ');
   lcd_post(1,6); write_data(' ');
   lcd_post(1,7); write_data(' ');
   lcd_post(1,8); write_data(' ');
   lcd_post(1,9); write_data(' ');
   lcd_post(1,10); write_data(' ');
   lcd_post(1,11); write_data(' ');
   lcd_post(1,12); write_data(' ');
   lcd_post(1,13); write_data(' ');
   lcd_post(1,14); write_data(' ');
   lcd_post(1,15); write_data(' ');
   beep=1;

   delay_1ms(500);
   }


   lcd_post(1,5); write_data('a');
   lcd_post(1,6); write_data('l');
   lcd_post(1,7); write_data('a');
   lcd_post(1,8); write_data('r');
   lcd_post(1,9); write_data('m');
   lcd_post(1,10); write_data(' ');
   lcd_post(1,11); write_data('c');
   lcd_post(1,12); write_data('l');
   lcd_post(1,13); write_data('o');
   lcd_post(1,14); write_data('c');
   lcd_post(1,15); write_data('k');

}

void keyscan(){
   if(key_A==0){
       delay_1ms(3);
       if(key_A==0){
           A_num++;
           switch(A_num){
               case 1:
                   TR0=0;
                   lcd_post(0,1);
                   write_command(0x0f);
                   break;
               case 2:lcd_post(0,4);break;
               case 3:lcd_post(0,7);break;

               case 4:
                   A_num=0;
                   write_command(0x0c);
                   TR0=1;
               sign = 0;
                   break;
           }
       }
       while(!key_A);
   }
   if(A_num!=0){
       if(key_B==0){
           delay_1ms(3);
           if(key_B==0){

               switch(A_num){
               case 1:
                   h1=(++h1)%24;
                   lcd_post(0,0); write_data(Zifu[h1/10]);
                   lcd_post(0,1); write_data(Zifu[h1%10]);
                   break;
               case 2:
                   m1=(++m1)%60;
                   lcd_post(0,3); write_data(Zifu[m1/10]);
                   lcd_post(0,4); write_data(Zifu[m1%10]);
                   break;
               case 3:
                   s1=(++s1)%60;
                   lcd_post(0,6); write_data(Zifu[s1/10]);
                   lcd_post(0,7); write_data(Zifu[s1%10]);
                   break;
               case 4:sign = 0;break;
               }write_command(0x10);
           }
           while(!key_B);
       }
   }

}

void main()
{

int clk1 =0;
   int clk2 =0;
there:
   beep=0;
   init();
   //there:


   h1=m1=s1=0;
   while(sign)
   {
       keyscan();
   }

   clk1 = 0;
clk2 = h1*3600+m1*60+s1;
   init();
   while(1){

       if(num==3686){
           num=0;
           s++;
            clk1++;
               if(clk1 == clk2)
               {
               ling();
                   sign = 1;
                   goto there;

               }
           if(s==60){
               s=0;
               m++;

               if(m==60){
                   m=0;
                   h++;
                   if(h==24)h=0;
                   lcd_post(0,0); write_data(Zifu[h/10]);
                   lcd_post(0,1); write_data(Zifu[h%10]);
               }
               lcd_post(0,3); write_data(Zifu[m/10]);
              lcd_post(0,4); write_data(Zifu[m%10]);
           }
           lcd_post(0,6); write_data(Zifu[s/10]);
           lcd_post(0,7); write_data(Zifu[s%10]);
       }

   }
}

void T0_time() interrupt 1
{
   num++;
}