1602.lst

51单片机实例

C51 COMPILER V7.06   1602                                                                  07/19/2010 11:10:52 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 1602
OBJECT MODULE PLACED IN .\obj\1602.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE 1602.c BROWSE DEBUG OBJECTEXTEND PRINT(.\obj\1602.lst) OBJECT(.\obj\1602.ob
                    -j)

stmt level    source

   1          /*-----------------------------------------------
   2            名称：LCD1602
   3            论坛：www.doflye.net
   4            编写：shifang
   5            日期：2009.5
   6            修改：无
   7            内容：
   8            引脚定义如下：1-VSS 2-VDD 3-V0 4-RS 5-R/W 6-E 7-14 DB0-DB7 15-BLA 16-BLK
   9          ------------------------------------------------*/
  10          #include "1602.h"
  11          #include "delay.h"
  12          
  13          
  14          
  15          /*------------------------------------------------
  16                        判忙函数
  17          ------------------------------------------------*/
  18          /* bit LCD_Check_Busy(void) 
  19           { 
  20           DataPort= 0xFF; 
  21           RS_CLR; 
  22           RW_SET; 
  23           EN_CLR; 
  24           _nop_(); 
  25           EN_SET;
  26           return (bit)(DataPort & 0x80);
  27           }*/
  28          /*------------------------------------------------
  29                        写入命令函数
  30          ------------------------------------------------*/
  31           void LCD_Write_Com(unsigned char com) 
  32           {  
  33   1       //while(LCD_Check_Busy()); //忙则等待
  34   1       DelayMs(5);
  35   1       RS_CLR; 
  36   1       RW_CLR; 
  37   1       EN_SET; 
  38   1       DataPort= com; 
  39   1       _nop_(); 
  40   1       EN_CLR;
  41   1       }
  42          /*------------------------------------------------
  43                        写入数据函数
  44          ------------------------------------------------*/
  45           void LCD_Write_Data(unsigned char Data) 
  46           { 
  47   1       //while(LCD_Check_Busy()); //忙则等待
  48   1       DelayMs(5);
  49   1       RS_SET; 
  50   1       RW_CLR; 
  51   1       EN_SET; 
  52   1       DataPort= Data; 
  53   1       _nop_();
  54   1       EN_CLR;
C51 COMPILER V7.06   1602                                                                  07/19/2010 11:10:52 PAGE 2   

  55   1       }
  56          
  57          /*------------------------------------------------
  58                          清屏函数
  59          ------------------------------------------------*/
  60           /*void LCD_Clear(void) 
  61           { 
  62           LCD_Write_Com(0x01); 
  63           DelayMs(5);
  64           }*/
  65          /*------------------------------------------------
  66                        写入字符串函数
  67          ------------------------------------------------*/
  68           void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s) 
  69           {     
  70   1       if (y == 0) 
  71   1              {     
  72   2               LCD_Write_Com(0x80 + x);     //表示第一行
  73   2              }
  74   1       else 
  75   1              {      
  76   2              LCD_Write_Com(0xC0 + x);      //表示第二行
  77   2              }        
  78   1       while (*s) 
  79   1              {     
  80   2       LCD_Write_Data( *s);     
  81   2       s ++;     
  82   2              }
  83   1       }
  84          /*------------------------------------------------
  85                        写入字符函数
  86          ------------------------------------------------*/
  87          /* void LCD_Write_Char(unsigned char x,unsigned char y,unsigned char Data) 
  88           {     
  89           if (y == 0) 
  90                  {     
  91                  LCD_Write_Com(0x80 + x);     
  92                  }    
  93           else 
  94                  {     
  95                  LCD_Write_Com(0xC0 + x);     
  96                  }        
  97           LCD_Write_Data( Data);  
  98           }*/
  99          /*------------------------------------------------
 100                        初始化函数
 101          ------------------------------------------------*/
 102           void LCD_Init(void) 
 103           {
 104   1         LCD_Write_Com(0x38);    /*显示模式设置*/ 
 105   1         DelayMs(5); 
 106   1         LCD_Write_Com(0x38); 
 107   1         DelayMs(5); 
 108   1         LCD_Write_Com(0x38); 
 109   1         DelayMs(5); 
 110   1         LCD_Write_Com(0x38);  
 111   1         LCD_Write_Com(0x08);    /*显示关闭*/ 
 112   1         LCD_Write_Com(0x01);    /*显示清屏*/ 
 113   1         LCD_Write_Com(0x06);    /*显示光标移动设置*/ 
 114   1         DelayMs(5); 
 115   1         LCD_Write_Com(0x0C);    /*显示开及光标设置*/
 116   1         }
C51 COMPILER V7.06   1602                                                                  07/19/2010 11:10:52 PAGE 3   

 117             
 118          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    154    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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