基于51单片机数码管万年历按键可调(Proteus仿真设计)

基于51单片机数码管万年历按键可调(Proteus仿真设计)

在这里插入图片描述

  • AT89C52、74S373、74L138、
  • Proteus仿真

实例代码

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#include<reg51.h>
#include<absacc.h>
#define uchar unsigned char 
#define uint unsigned int
//#define ture 1
//#define fault 0

sbit SET=P1^7;

void delay(uchar k);
uchar monthday(uchar a,uchar b);
void display();

uchar code dayofmonth[]={31,28,31,30,31,30,31,31,30,31,30,31};
uchar code scan[]={0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
                   0xe8,0xe9,0xea,0xeb,0xec,0xed,0xee,0xef,
				   0xf8,0xf9,0xfa,0xfb,0xfc,0xfd};      //扫描的译码信号
uchar i;
uchar code table[]={0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xEF,0xC0}; //段码表
uchar  buffer[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uchar  shuju=0;
uchar  state=0;
uchar  qxiang;

typedef  struct  
         {
		 uchar year[2];
		 uchar month;
		 uchar day;
		 uchar week;
		 }date;
typedef  struct  
        {
	    uchar hour;
		uchar minute;
		uchar second;
		}time;
uchar  count=0;
date today={{18,20},11,14,3};			//设置日期初值
time now={14,30,00};					//设置时间初值
void main()
{
TMOD=0x01;
TL0=(65536-1000)%256;
TH0=(65536-1000)/256;
IE=0x82;	    //EA=1;ET0=1总中断允许和定时器中断允许
TR0=1;	        //定时器启动计数
display();
while(1)
    {
	 P1=0xff;
     shuju=P1&0xff;
	 qxiang=shuju&0x80;
		switch(qxiang)
	    {
		 case(0x80):switch(shuju)
			      {
				 case(0xfe) :			   //秒调整
		            {
					 EA=1;
					 EX0=1;           //总中断允许，外中断0允许
					 IT0=1;           //中断0为负跳变触发
			         }break;
	           	 case(0xfd)	:			 //分调整
		            {
					 EA=1;
					 EX0=1;                  
					 IT0=1;                  
			         }break;
	           	 case(0xfb) :			//时调整
		            {
					 EA=1;
					 EX0=1;
					 IT0=1;					
			         }break;
                 case(0xf7) :			 //星期调整
		            {
					 EA=1;
					 EX0=1;
					 IT0=1;
			         }break;
                 case(0xef) :			 //日调整
	 	            {
					 EA=1;
					 EX0=1;
					 IT0=1;
			         }break;
                 case(0xdf):			 //月调整
	 	            {
					 EA=1;
					 EX0=1;
					 IT0=1;
			         }break;
                 case(0xbf):			 //年调整
		            {
					 EA=1;
					 EX0=1;
					 IT0=1;
			         }break;
			     default:				 //时钟正常计时
	                {
					EA=1;
					TR0=1;
					EX0=0;
					}break;
				}break;
		 case(0x00) :switch(shuju)
					     {
			   case(0x7e):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           case(0x7d):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           case(0x7b):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           case(0x77):
	                {
				   	 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           case(0x6f):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					
					}break;
	           case(0x5f):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           case(0x3f):
	                {
					 EA=1;
					 EX0=1;
					 IT0=1;
					}break;
	           default:					
	                {
					EA=1;
					TR0=1;
					EX0=0;
					}break;
		    	}break;       
		}
	}
}

void int0()  interrupt 0 using 0   //中断服务程序，调节时间
{
  uchar result,z; 
  result=shuju;
       	switch(qxiang)
	    {
		 case(0x80):   switch(result)
					   {
                       	case(0xfe) :					  //秒调整 +
	                         {
	                           now.second++;
	                           if(now.second>=60)
	                              {
		                            now.second=0;
		                           }
	                           display();
	                          }break;
                         case(0xfd) :		             //分调整 +
	                         {
	                            now.minute++;
	                            if(now.minute>=60)
	                             {
		                           now.minute=0;
		                          }
	                             display();
	                         }break;
                            case(0xfb) :		   //时调整 +
	                          {
	                             now.hour++;
	                             if(now.hour>=24)
	                                {
		                              now.hour=0;
	                             	}
	                                display();
	                          }break;
                             case(0xf7)	:		  //星期调整 +
	                              {		   
	                                 today.week++;
	                                  if(today.week>=8)
	                                      {
		                                    today.week=1;
		                                   }
	                                  display();
	                              }break;
	                          case(0xef) :			//日调整 +
	                              {
	                                 today.day++;
	                                 z = monthday(today.year[1],today.year[0]);
	                                 if((z==1)&&(today.month==2))
									    {
										  if(today.day>=30)
			                                 today.day=1;
										}
		                              else if (today.day>dayofmonth[today.month-1])
		                                            today.day=1;
	                                  display();
	                                }break;	  
   		                          case(0xdf) :			 //月调整 +
		
		                            {
	                                	today.month++;
	           	                        if(today.month>=13)
		                                   {
			                                 today.month=1;
			                                }
		                                display();
		                               } break;
		                       case(0xbf) :			//年调整 +
		                             {
	                                   today.year[0]=today.year[0]+1;
		                               if(today.year[0]>=100)
		                                   {
			                                 today.year[0]=0;
			                                 today.year[1]=today.year[1]+1;
			                                 if(today.year[1]>=100)
			                                    {
				                                   today.year[1]=0;
				                                 }
			                                 }
		                                 display();
	 	                              }break;
		                       default:				 //时钟正常计时
	                                 {
									 EA=1;
					                 TR0=1;
					                 EX0=0;
									 }break;
					         }break; 
	    case(0x00): switch(result)
			{
			  case(0x7e):				           //秒调整-
	                  {
	   	               if(now.second>0)
		                  now.second=now.second-1;
		               else now.second=59;
		                    display();
	                  }break;
              case(0x7d):						    //分调整-
	                  {
	   	              if(now.minute>0)
		                 now.minute=now.minute-1;
		              else now.minute=59;
		                   display();
	                  }break;
              case(0x7b) :					       // 时调整-
	                  {
	                  if(now.hour>0)
		                 now.hour=now.hour-1;
		              else now.hour=23;
		                   display();
	                  }break;
	          case(0x77) :					  // 周调整-
	                  {
	                  if(today.week>1)
		                 today.week=today.week-1;
		              else today.week=7;
		                   display();
	                  }break;
	          case(0x6f):						 // 日调整-
	                  {
	                  z = monthday(today.year[1],today.year[0]);
	   	              if((z==1)&&(today.month==2))
		                {
		                if(today.day>1)
		                   today.day=today.day-1;
		        	    else today.day=29;
		                }
		               else {
			                if(today.day>1)
			                   today.day=today.day-1;
			                else today.day=dayofmonth[today.month-1];
		                    }
		               display();
	                   }break;
	           case(0x5f):						// 月调整-
	                   {
	   	               if(today.month>1)
		                  today.month=today.month-1;
		               else today.month=12;
		               display();
	                   }break;
	           case(0x3f) :	                    // 年调整-
	                   {
	   	               if(today.year[0]>0)
		                  today.year[0]=today.year[0]-1;
		               else 
		                   {
			               today.year[0]=99;
			               today.year[1]=today.year[1]-1;
			               }
	               	   display();
	                   }break;
	            default:						 //时钟正常计时
	                   {
				       EA=1;
					   TR0=1;
					   EX0=0;	
					   }break;
	         }break;
		}
}
//定时器中断程序 
void  timer0\_int() interrupt 1 using 1
{
uchar c;
 TL0=(65536-1000)%256;		  
 TH0=(65536-1000)/256;
 TR0=1;
 count++;
 if(count==35)
    {
	count=0;
	now.second=now.second+1;
	 if(now.second>=60)
	    {
		now.second=0;
		now.minute++;
		if(now.minute>=60)
		   {
		   now.minute=0;
		   now.hour++;
		   if(now.hour>=24)
		      {
			  now.hour=0;
			  today.week++;
			  today.day++;
			  if(today.week>=8)
			     {
				 today.week=1;
				 }
			  c=monthday( today.year[1], today.year[0]);
			  if((c==1)&&(today.month==2))
			     {
				 if(today.day>=30)
				   {
				    today.day=1;
					today.month++;
				   }
				 }
			  else if(today.day>=(dayofmonth[today.month-1]+1))
			          {
					  today.day=1;
					  today.month++;
			          if(today.month>=13)
			            {
				        today.month=1;
				        today.year[0]=today.year[0]+1;
				        if(today.year[0]>=100)
				          {
					      today.year[0]=0;
					      today.year[1]=today.year[1]+1;
					      if(today.year[1]>=100)
					        {
						     today.year[1]=0;
						    }
					      }
				        }
			          }
		       }
		    }
		 }
	 }
     display();
}
//延时程序
void  delay(uchar  k)			  
  {
  uchar m,n;
  for(m=0;m<=k;m++)
   for(n=0;n<=40;n++);
  }
//闰年判断程序
uchar  monthday(uchar a,uchar b)   
  {
   uchar x,y;
   x=a\*100+b;
   if(x%4!=0)
	  y=0;
   else if(x%100!=0)
      y=1;
   else if(x%400!=0)
      y=0;
   else y=1;
   return(y);
  }	
//扫描显示程序
 void display()					  
 {
  buffer[0]=now.second%10;
  buffer[1]=now.second/10;
  buffer[2]=10;
  buffer[3]=now.minute%10;
  buffer[4]=now.minute/10;
  buffer[5]=10;
  buffer[6]=now.hour%10;
  buffer[7]=now.hour/10;
  buffer[8]=today.week%10;
  buffer[9]=today.week/10;
  buffer[10]=10;
  buffer[11]=today.day%10;
  buffer[12]=today.day/10;
  buffer[13]=10;
  buffer[14]=today.month%10;
  buffer[15]=today.month/10;
  buffer[16]=10;
  buffer[17]=today.year[0]%10;
  buffer[18]=today.year[0]/10;
  buffer[19]=today.year[1]%10;
  buffer[20]=today.year[1]/10;
  buffer[21]=10;
   for(i=0;i<=21;i++)
    {
	P0=table[buffer[i]];	
	P2=scan[i];
	delay(3);//如果数码出现闪烁，可调整该延时来修正。
	P0=0x00;
	}
 }

  • absacc.h头文件代码
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/\*--------------------------------------------------------------------------
ABSACC.H

Direct access to 8051, extended 8051 and NXP 8051MX memory areas.
Copyright (c) 1988-2010 Keil Elektronik GmbH and ARM Germany GmbH
All rights reserved.
--------------------------------------------------------------------------\*/

#ifndef \_\_ABSACC\_H\_\_
#define \_\_ABSACC\_H\_\_

#define CBYTE ((unsigned char volatile code \*) 0)
#define DBYTE ((unsigned char volatile data \*) 0)
#if !defined (\_\_CX2\_\_)
#define PBYTE ((unsigned char volatile pdata \*) 0)
#endif
#define XBYTE ((unsigned char volatile xdata \*) 0)

#define CWORD ((unsigned int volatile code \*) 0)
#define DWORD ((unsigned int volatile data \*) 0)
#if !defined (\_\_CX2\_\_)
#define PWORD ((unsigned int volatile pdata \*) 0)
#endif
#define XWORD ((unsigned int volatile xdata \*) 0)


#if defined (\_\_CX51\_\_) || defined (\_\_CX2\_\_)
#define FVAR(object, addr) (\*((object volatile far \*) (addr)))
#define FARRAY(object, base) ((object volatile far \*) (base))
#define FCVAR(object, addr) (\*((object const far \*) (addr)))
#define FCARRAY(object, base) ((object const far \*) (base))
#else
#define FVAR(object, addr) (\*((object volatile far \*) ((addr)+0x10000L)))
#define FCVAR(object, addr) (\*((object const far \*) ((addr)+0x810000L)))
#define FARRAY(object, base) ((object volatile far \*) ((base)+0x10000L))
#define FCARRAY(object, base) ((object const far \*) ((base)+0x810000L))
#endif

#if defined (\_\_CX2\_\_)
#define HBYTE ((unsigned char volatile huge \*) 0)
#define HWORD ((unsigned int volatile huge \*) 0)
#define HVAR(object, addr) (\*((object volatile huge \*) (addr)))
#define HARRAY(object, base) ((object volatile huge \*) (base))
#endif

#define CVAR(object, addr) (\*((object volatile code \*) (addr)))
#define CARRAY(object, base) ((object volatile code \*) (base))
#define DVAR(object, addr) (\*((object volatile data \*) (addr)))
#define DARRAY(object, base) ((object volatile data \*) (base))
#define XVAR(object, addr) (\*((object volatile xdata \*) (addr)))
#define XARRAY(object, base) ((object volatile xdata \*) (base))

#endif


资源链接

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baidu链接：https://pan.baidu.com/s/1kKh4-tC3v6Xs-r6960FKZw 
提取码：1uja