display.c

单片机读写E2P程序 利用单片机和2402连接,向2402内写入一串数据,单片机通过按键来将写入的数据读出来 用LED显示

 #include "reg52.h"
 #include "def.h"
 #include "absacc.h"
 #include "DISPLAY.h"


  uchar code single[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
  uchar code single_point[9]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff};


  
  void _nop()
   {int i;
     i=0;
	}


 void display(uchar led1,uchar piont1,uchar led2,uchar point2)
   { 
     
	   display_single=single[led1];
	   display_point=single_point[0];
	   _nop();
	   _nop();
       display_point=0xff;

       display_single=single[0];
	   display_point=single_point[8];
	   _nop();
	   _nop();
       display_point=0xff;
       
       display_single=single[0];
	   display_point=single_point[8];
	   _nop();
	   _nop();
       display_point=0xff;
       
       display_single=single[piont1];
	   display_point=single_point[3];
	   _nop();
	   _nop();
       display_point=0xff;
      
       display_single=single[led2];
	   display_point=single_point[4];
	   _nop();
	   _nop();
       display_point=0xff;

       display_single=single[0];
	   display_point=single_point[8];
	   _nop();
	   _nop();
       display_point=0xff;
       
       display_single=single[0];
	   display_point=single_point[8];
	   _nop();
	   _nop();
       display_point=0xff;
       
       display_single=single[point2];
	   display_point=single_point[7];
	   _nop();
	   _nop();
       display_point=0xff;


   }