up51s009.lst

UP51C开发板所有源代码

C51 COMPILER V7.08   UP51S009                                                              12/13/2004 09:15:49 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE UP51S009
OBJECT MODULE PLACED IN up51s009.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE up51s009.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************************************************
   2          *                                                                              *
   3          *    File       : uP51s009.c                                                   *
   4          *    Date       : 2004-9-5                                                     *
   5          *    Version    : 1.0                                                          *
   6          *                                                                              *
   7          *    Author     : kevin           [e-mail]                               *
   8          *    Company    : Http://www.dz51.com                                          *
   9          *                                                                              *
  10          ********************************************************************************
  11          *    Description:                                                              *
  12          *                字符LCD显示演示程序                                           *
  13          *                在第一行显示  welcome                                         *
  14          *                在第一行显示  www.dz51.com                                    *
  15          *     注意：跳线J3需要拿掉                                                     *
  16          *                                                                              *
  17          *******************************************************************************/
  18          #include <reg51.h>
  19          #include <intrins.h>
  20          
  21          typedef unsigned char BYTE;
  22          typedef unsigned int WORD;
  23          typedef bit BOOL ; 
  24          
  25          sbit rs = P2^0;         //
  26          sbit rw = P2^1;
  27          sbit ep = P2^2;
  28          
  29          BYTE code dis1[] = {"welcome!"};
  30          BYTE code dis2[] = {" www.dz51.com "};
  31          
  32          delay(BYTE ms)
  33          {                                                       // 延时子程序
  34   1              BYTE i;
  35   1              while(ms--)
  36   1              {
  37   2                      for(i = 0; i< 250; i++)
  38   2                      {
  39   3                              _nop_();
  40   3                              _nop_();
  41   3                              _nop_();
  42   3                              _nop_();
  43   3                      }
  44   2              }
  45   1      }
  46          
  47          BOOL lcd_bz()
  48          {                                                       // 测试LCD忙碌状态
  49   1              BOOL result;
  50   1              rs = 0;
  51   1              rw = 1;
  52   1              ep = 1;
  53   1              _nop_();
  54   1              _nop_();
  55   1              _nop_();
C51 COMPILER V7.08   UP51S009                                                              12/13/2004 09:15:49 PAGE 2   

  56   1              _nop_();
  57   1              result = (BOOL)(P0 & 0x80);
  58   1              ep = 0;
  59   1              return result;  
  60   1      }
  61          
  62          lcd_wcmd(BYTE cmd)
  63          {                                                       // 写入指令数据到LCD
  64   1              while(lcd_bz());
  65   1              rs = 0;
  66   1              rw = 0;
  67   1              ep = 0;
  68   1              _nop_();
  69   1              _nop_();        
  70   1              P0 = cmd;
  71   1              _nop_();
  72   1              _nop_();
  73   1              _nop_();
  74   1              _nop_();
  75   1              ep = 1;
  76   1              _nop_();
  77   1              _nop_();
  78   1              _nop_();
  79   1              _nop_();
  80   1              ep = 0;         
  81   1      }
  82          
  83          lcd_pos(BYTE pos)
  84          {                                                       //设定显示位置
  85   1              lcd_wcmd(pos | 0x80);
  86   1      }
  87          
  88          lcd_wdat(BYTE dat)      
  89          {                                                       //写入字符显示数据到LCD
  90   1              while(lcd_bz());
  91   1              rs = 1;
  92   1              rw = 0;
  93   1              ep = 0;
  94   1              P0 = dat;
  95   1              _nop_();
  96   1              _nop_();
  97   1              _nop_();
  98   1              _nop_();
  99   1              ep = 1;
 100   1              _nop_();
 101   1              _nop_();
 102   1              _nop_();
 103   1              _nop_();
 104   1              ep = 0; 
 105   1      }
 106          
 107          lcd_init()
 108          {                                                       //LCD初始化设定
 109   1              lcd_wcmd(0x38);                 //
 110   1              delay(1);
 111   1              lcd_wcmd(0x0c);                 //
 112   1              delay(1);
 113   1              lcd_wcmd(0x06);                 //
 114   1              delay(1);
 115   1              lcd_wcmd(0x01);                 //清除LCD的显示内容
 116   1              delay(1);
 117   1      }
C51 COMPILER V7.08   UP51S009                                                              12/13/2004 09:15:49 PAGE 3   

 118          
 119          main()
 120          {
 121   1              BYTE i;
 122   1              lcd_init();                             // 初始化LCD                    
 123   1              delay(10);
 124   1              lcd_pos(4);                             // 设置显示位置为第一行的第5个字符
 125   1              i = 0;
 126   1              while(dis1[i] != '\0')
 127   1              {                                               // 显示字符"welcome!"
 128   2                      lcd_wdat(dis1[i]);
 129   2                      i++;
 130   2              }
 131   1              lcd_pos(0x41);                  // 设置显示位置为第二行第二个字符
 132   1              i = 0;
 133   1              while(dis2[i] != '\0')
 134   1              {
 135   2                      lcd_wdat(dis2[i]);      // 显示字符"  www.willar.com  "
 136   2                      i++;
 137   2              }
 138   1              while(1);                               // 
 139   1      }
 140          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    193    ----
   CONSTANT SIZE    =     24    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


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