mcu.c

s51单片机控制程序

#include<reg52.h>
#define uchar unsigned char
sbit beep=P2^3;
sbit dula=P2^6;
sbit wela=P2^7;
sbit s2=P3^4;
sbit s3=P3^5;
sbit s4=P3^6;
sbit s5=P3^7;
sfr WDTRST = 0xA6;

//定义数码管显示的字符（0～9，dot，a～f）
uchar code zhi[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,
0xf8,0x80,0x90,0x7f,0x88,0x83,0xc6,0xa1,0x86,0x8e};  
uchar code wei[]={0x01,0x02,0x04,0x08,0x10,0x20};//定义数码管（1～6）
uchar code led[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //定义流水灯   

/*display(uchar i,uchar j)   //数码管显示函数   
{
	P0=zhi[j];
	dula=1;dula=0;
	P0=wei[i-1];
	wela=1;wela=0;
}*/

delay(unsigned char i)     //延时函数    
{  
	uchar m,k; /*j;*/
	for(m=i;m>0;m--)
	for(k=250;k>0;k--)
	//for(j=10;j>0;j--)
	;
}

beep_on(uchar j)           //蜂鸣器函数  
{ uchar i;
  for(i=1;i<=j;i++)
   {
	 beep=0;
	 delay(1);
	 beep=1;
	 delay(1);
   }
}


/*lamp(uchar l)            //LED发光函数  
{
	P1=led[l-1];
}*/


uchar m,n;
main()
{   
	while(1)
    {     
		  P1=0x00;
		  if(0==s2)
		  {
		   delay(10);
		   if(0==s2)
		    {
		      
		 
		     while(1)
		     {
		      
		      if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		
		      P0=0x89;
		      dula=1;dula=0;
		      P0=wei[0];
		      wela=1;wela=0;
		      P1=0x00;
 if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      beep_on(50);
              beep=1;
 if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      delay(1500);
if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      delay(1500);
if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      delay(1500);
		      P1=0xff;
 if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      beep=1;
		      delay(1500);
if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      delay(1500);
if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		      delay(1500);
if(0==s3)
		      {delay(1);
		      if(0==s3)
		      break;}
		     
		      }
		     }
		   }
		   if(0==s3)
			  { 
			   delay(10);
			   if(0==s3)
			    { 
			     while(1)
				     {if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      P0=0xc7;
					      dula=1;dula=0;
					      P0=wei[1];
					      wela=1;wela=0;
					      P1=0x00;
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      beep_on(50);
                          beep=1;
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
					     
					      P1=0xff;
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      beep=1;
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
if(0==s2)
					      {
					       delay(10);
					       if(0==s2)
					       break;}
					      delay(1500);
					      }
				     }
			   }
          //WDTRST=0x1E;
          //WDTRST=0xE1;//喂狗指令
     }
}