ir.c

音乐控制程序

//#include<AT89x55.H> 
#include"ir.h"
//*********************************
// 红外接收函数
//*********************************

uchar irshou(uchar *data1)
{       uchar i,j;
        uint count;
        uchar count1,count2;
        bit    flag;
       while(ir==0)
	       { count++;
	       }
        if(count>250)
            {flag=1;
             }
	   count=0; 
	    if(flag==1)
          { 
		      flag=0;
		      for(i=0;i<4;i++) //共4个字节
		        {    *data1=0;
			       for(j=0;j<8;j++)
                     {   while(ir==1)
	                       { count1++;
			               }
				         if(count1<250)
                           {(*data1)<<=1;
                            }
			              while(ir==0)
	                        {count2++;
			                 }
			              if(count2>70)
                           {*data1|=1;
                            }
				           count1=0;
			               count2=0;
			   } 
              data1++;
		   }      
	   }
   return 0; 
}