lcd1602.lst

驱动ADUC845进行AD采样

C51 COMPILER V7.20   LCD1602                                                               07/21/2007 15:44:02 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE LCD1602
OBJECT MODULE PLACED IN lcd1602.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lcd1602.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "lcd1602.h"
   2          /*void checkbusy(void)
   3          {lcd=0xff;
   4           enable=0;
   5           rw=1;
   6           rs=0;
   7           enable=1;
   8           delay(100);
   9           while(lcd&busy);
  10           enable=0;
  11          }*/
  12          /************延时函数*/
  13          void Delay(uint i)
  14          {
  15   1        while(i--);
  16   1      }
  17          /*写指令函数*/
  18          void Write_Instruction(uchar x)
  19          {
  20   1       Delay(1000);
  21   1       E=0;
  22   1       RW=0;
  23   1       RS=0;
  24   1       LCDData=x;
  25   1       E=1;
  26   1       Delay(20);
  27   1       E=0;
  28   1       }
  29          /*写单个数据的函数*/
  30          void Write_Data(uchar x)
  31          {
  32   1       Delay(1000);
  33   1       E=0;
  34   1       RW=0;
  35   1       RS=1;
  36   1       E=1;
  37   1       LCDData=x;
  38   1       E=0;
  39   1      }
  40          /*清屏函数*/
  41          void Cls(void)
  42          {
  43   1        Write_Instruction(0x01);
  44   1      }
  45          /*写入一串字符串函数*/
  46          void Write_String(uchar x,uchar *p)
  47          { Write_Instruction(x);
  48   1        while(*p!=0x00)
  49   1       {Write_Data(*p);
  50   2        p++;
  51   2        if (x++==0x8f)
  52   2        {Write_Instruction(0xc0);}
  53   2       }
  54   1      }
  55          /*初始化函数*/
C51 COMPILER V7.20   LCD1602                                                               07/21/2007 15:44:02 PAGE 2   

  56          void InitLCD(void)
  57          {Write_Instruction(0x38);
  58   1       Delay(200);
  59   1       Write_Instruction(0x0e);
  60   1       Delay(200);
  61   1       Write_Instruction(0x06);
  62   1       Delay(200);
  63   1      }
  64          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    132    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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