lcd_1602.lst

多路巡回检测

C51 COMPILER V7.06   LCD_1602                                                              06/24/2008 23:08:40 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LCD_1602
OBJECT MODULE PLACED IN Lcd_1602.OBJ
COMPILER INVOKED BY: D:\program\Keil\C51\BIN\C51.EXE Lcd_1602.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg51.h>
   2          
   3          sbit RS=P2^0;
   4          sbit RW=P2^1;
   5          sbit EN=P2^2;
   6          
   7          unsigned char code str1[]={"i love you "};
   8          unsigned char code str2[]={"              "};
   9          
  10          /*************************lcd1602程序**************************/
  11          void Delay1ms(unsigned int ms)//延时1毫秒（不够精确的）
  12          {
  13   1       unsigned int i,j;
  14   1       for(i=0;i<ms;i++)
  15   1        for(j=0;j<100;j++);
  16   1      }
  17          
  18          void Wr_Com(unsigned char com)//写指令//
  19          { 
  20   1       Delay1ms(1);
  21   1       RS=0;
  22   1       RW=0;
  23   1       EN=0;
  24   1       P1=com;
  25   1       Delay1ms(1);
  26   1       EN=1;
  27   1       Delay1ms(1);
  28   1       EN=0;
  29   1      }
  30          
  31          void Wr_Dat(unsigned char dat)//写数据//
  32          { 
  33   1       Delay1ms(1);
  34   1       RS=1;
  35   1       RW=0;
  36   1       EN=0;
  37   1       P1=dat;
  38   1       Delay1ms(1);
  39   1       EN=1;
  40   1       Delay1ms(1);
  41   1       EN=0;
  42   1      }
  43          
  44          void Lcd_Init()//初始化设置//
  45          {
  46   1       Delay1ms(15);
  47   1        Wr_Com(0x38);Delay1ms(5);//显示模式设置
  48   1         Wr_Com(0x08);Delay1ms(5);//关显示，不显示光标
  49   1          Wr_Com(0x01);Delay1ms(5);//清屏
  50   1           Wr_Com(0x06);Delay1ms(5);//显示光标移动设置
  51   1            Wr_Com(0x0c);Delay1ms(5);//显示开及光标设置
  52   1      }
  53          
  54          void Lcd_Dis_Char(unsigned char addr,unsigned char c)
  55          {
C51 COMPILER V7.06   LCD_1602                                                              06/24/2008 23:08:40 PAGE 2   

  56   1       Wr_Com(addr);
  57   1       Wr_Dat(c);
  58   1      }
  59          
  60          void Lcd_Dis_String(unsigned char addr,unsigned char *p)//显示//
  61          {
  62   1       Wr_Com(addr);
  63   1       while(*p!='\0')
  64   1       {
  65   2        Wr_Dat(*p);
  66   2        p++;
  67   2        //Delay1ms(1);
  68   2       }
  69   1      }
  70          
  71          void Init_Dis()//初始化显示
  72          { 
  73   1       Lcd_Init();
  74   1       
  75   1       Lcd_Dis_String(0x80,str1);//0x80是第一行的起始地址
  76   1       
  77   1       Lcd_Dis_String(0xc0,str2);//0xco是第二行的起始地址
  78   1      }
  79          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    206    ----
   CONSTANT SIZE    =     27    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)