单片机补充案例--LCD1602普通字符显示

说明：使用LCD1602显示普通字符

设备：

可参考教材或下面提供的代码。

程序：

  

   

    

     

    
    

     

      #include<8052.h>
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      #define uchar unsigned char
     
    
   

    

     

    
    

     

      #define uint unsigned int
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      #define lcden P1_2
     
    
   

    

     

    
    

     

      #define lcdrs P1_0
     
    
   

    

     

    
    

     

      #define rw P1_1
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      uchar table1[] = "Happy Happy ";
     
    
   

    

     

    
    

     

      uchar table2[] = "1234567890 ";
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      uchar num;
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      void delay(uint z) {
     
    
   

    

     

    
    

     

       uint x, y;
     
    
   

    

     

    
    

     
 for(x = z; x > 0; x--)
     
    
   

    

     

    
    

     
 for(y = 110; y > 0; y--);
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      void write_com(uchar com) {
     
    
   

    

     

    
    

     

       lcdrs = 0;
     
    
   

    

     

    
    

     

       P0 = com;
     
    
   

    

     

    
    

     

       delay(5);
     
    
   

    

     

    
    

     

       lcden = 1;
     
    
   

    

     

    
    

     

       delay(5);
     
    
   

    

     

    
    

     

       lcden = 0;
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      void write_data(uchar date) {
     
    
   

    

     

    
    

     

       lcdrs = 1;
     
    
   

    

     

    
    

     

       P0 = date;
     
    
   

    

     

    
    

     

       delay(5);
     
    
   

    

     

    
    

     

       lcden = 1;
     
    
   

    

     

    
    

     

       delay(5);
     
    
   

    

     

    
    

     

       lcden = 0;
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      void init() {	
     
    
   

    

     

    
    

     

       rw = 0;
     
    
   

    

     

    
    

     

       lcden = 0;
     
    
   

    

     

    
    

     

       write_com(0x38);
     
    
   

    

     

    
    

     

       write_com(0x0e);
     
    
   

    

     

    
    

     

       write_com(0x06);
     
    
   

    

     

    
    

     

       write_com(0x01);
     
    
   

    

     

    
    

     

       write_com(0x80);
     
    
   

    

     

    
    

     

      }
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      void main() {
     
    
   

    

     

    
    

     

       init();
     
    
   

    

     

    
    

     
 for(num = 0; num < 12; num++) {
     
    
   

    

     

    
    

     

       write_data(table1[num]);
     
    
   

    

     

    
    

     

       delay(100);
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

       write_com( 0x40 | 0x80 );
     
    
   

    

     

    
    

     
 for(num = 0; num < 12; num++) {
     
    
   

    

     

    
    

     

       write_data(table2[num]);
     
    
   

    

     

    
    

     

       delay(100);
     
    
   

    

     

    
    

     

       } 
     
    
   

    

     

    
    

     
 while(1);
     
    
   

    

     

    
    

     

      }
     
    
  
 

文章来源: zhangrelay.blog.csdn.net，作者：zhangrelay，版权归原作者所有，如需转载，请联系作者。

原文链接：zhangrelay.blog.csdn.net/article/details/109667106