text2.c

菜鸟板的时钟 第一次学51

#include <reg51.h>//加载头文件
#define uchar unsigned char//变量类型的宏定义
#define uint unsigned int//变量类型的宏定义
#define  SET     5
#define  MON   4
#define  DAY   3
#define  HOU   2
#define  MIN   1
uchar SEG7[10]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x09};/*0~9的数码管段码*/
uchar act[12]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x04,0x08,0x10,0x20};
uchar MS,mon,day,hou,min;
uchar key,discnt;
uint cnt;
sbit MSKEY=P0^5; /*功能键标志*/
sbit MONKEY=P0^4;//月按键
sbit DAYKEY=P0^3;//天按键
sbit HOUKEY=P0^2;//时按键
sbit MINKEY=P0^1;//分按键
//sbit CHECKKEY=P3^0;//查询按键
sbit CLK=P1^0;
sbit  DATA=P1^1;

void TIMERIni(void);
void menu(void);
void delay(uint k);
void keyboard(void);
void send164(uchar m);
void dis_time(uchar m);
void dis_adjtime(uchar m);

void menu(void)//扫描按键子函数
{

       if(key==SET){MS++;if(MS==2)MS=0;}// 调整模式
       if(MS==1)
	   	 {
                       switch(key)
                       	{ 
                                case (MIN):{min++;if(min>=60)min=0; }break;
				    case (HOU):{hou++;if(hou>23)hou=0; } break;
                                 case(DAY):{day++;if(day>31)day=1; }break;
                                  case(MON):{mon++;if(mon>12)mon=1; }break;
					default:break;
                       	}
       	}
	   key=0;
		  
}

void delay(uint k)
{
    uint i,j;
    for(i=0;i<k;i++)
		{
                 for(j=0;j<1000;j++) ;
               }
}

void keyboard(void)
{   
    P0=0X3F;
     if((P0&0x02)==0)
     	 {  delay(5);
	     while((P0&0x02)==0);
		   key=MIN;
     	  }
	 else 
	 	if((P0&0x04)==0)
     	            {  
     	              delay(5);
	               while((P0&0x04)==0);
		        key=HOU;
     	             } 
		   else 
	 	         if((P0&0x08)==0)
     	                       {  
     	                       delay(5);
	                       while((P0&0x08)==0);
		                 key=DAY;
     	                        } 
				 else
	 	                      if((P0&0x10)==0)
     	                                {  
     	                                   delay(5);
	                                   while((P0&0x10)==0);
		                           key=MON;
     	                                 } 
							  else
	 	                                  if((P0&0x20)==0)
     	                                           {  
     	                                              delay(5);
	                                              while((P0&0x20)==0);
		                                       key=SET;
     	                                             } 
}


void time0(void) interrupt 1 
{
	TH0=0xF4;TL0=0x48;
	keyboard();
       if(discnt>11)discnt=0;// 显示为8位数码管
       if(cnt>600)cnt=0;// 报警时的闪烁周期
       switch(MS)
         {
            case 0:{dis_time(discnt);}break;// 显示走时
            case 1:{dis_adjtime(discnt);}break;// 显示调时
            default: break;
     	}
	   discnt++;cnt++;

}


void send164(uchar m)
{uchar k,i,b;
k=SEG7[m];
i=8;
CLK=0;
while (i--)
	{b=k>>i;
    if((b&0x01)==0x01)DATA=1;
      else  DATA=0;
     CLK=1; 
    CLK=0;
     } 
	
}
                                    //P2 KOU                                                 //P1kou
void dis_time(uchar m)
{
   P1&=0XC3;
   P2=0X00;
  	 {switch(m)
	     {case 0:{send164(mon/10);P2|=act[m];}break;
	       case 1:{send164(mon%10);P2|=act[m];}break;
	       case 2:{send164(day/10);P2|=act[m];}break;
	       case 3:{send164(day%10);P2|=act[m];}break;
	       case 4:{send164(hou/10);P2|=act[m];}break;
	        case 5:{send164(hou%10);P2|=act[m];}break;
	        case 6:{send164(min/10);P2|=act[m];}break;
	        case 7:{send164(min%10);P2|=act[m];}break;
	        case 8:{send164(0);P1|=act[m];P2=0X00;}break;
	        case 9:{send164(0);P1|=act[m];P2=0X00;}break;
	        case 10:{send164(0);P1|=act[m];P2=0X00;}break;
	        case 11:{send164(0);P1|=act[m];P2=0X00;}break;
	          default:break;}
   	      }

}


void dis_adjtime(uchar m)
{  
     if(cnt>200)
     	{ 
            P1&=0XC3;
           P2=0X00;
		 	switch(m)
	                {case 0:{send164(mon/10);P2|=act[m];P1&=0XC3;}break;
	              case 1:{send164(mon%10);P2|=act[m];P1&=0XC3;}break;
	              case 2:{send164(day/10);P2|=act[m];P1&=0XC3;}break;
	              case 3:{send164(day%10);P2|=act[m];P1&=0XC3;}break;
	               case 4:{send164(hou/10);P2|=act[m];P1&=0XC3;}break;
	               case 5:{send164(hou%10);P2|=act[m];P1&=0XC3;}break;
	                case 6:{send164(min/10);P2|=act[m];P1&=0XC3;}break;
	                case 7:{send164(min%10);P2|=act[m];P1&=0XC3;}break;
	                case 8:{send164(0);P1|=act[m];P2=0X00;}break;
	                case 9:{send164(0);P1|=act[m];P2=0X00;}break;
	                case 10:{send164(0);P1|=act[m];P2=0X00;}break;
	               case 11:{send164(0);P1|=act[m];P2=0X00;}break;
	                  default:break;
					  }
   	      }
      else 
      	{  
            P1&=0XC3;
           P2=0X00;
      	}
}


void TIMERIni(void)
{
       TMOD=0X01;
	TH0=0xF4;TL0=0x48;
       EA=1;
        ET0=1;
       TR0=1;
}

void main(void)
{  
     TIMERIni();
      while(1)
      	{
           // keyboard();
	      if(key>0)
	      	{
                  menu();
	      	}
      	}
}