lcm.lst

基于51单片机实现UART通信 SPI通信 和IIC通信

C51 COMPILER V8.02   LCM                                                                   06/01/2008 12:34:32 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LCM
OBJECT MODULE PLACED IN LCM.obj
COMPILER INVOKED BY: D:\ElectronicTools\KeilC51\C51\BIN\C51.EXE C_H\LCM.c BROWSE DEBUG OBJECTEXTEND PRINT(.\LCM.lst) OBJ
                    -ECT(LCM.obj)

line level    source

   1          #include "Includes.h"
   2                  
   3          /**************函数声明***********************/
   4          static void ReadStatusLCM(void); 
   5          
   6          /*****************写数据***********************/ 
   7          extern void WriteDataLCM(unsigned char date)      
   8          {
   9   1       ReadStatusLCM();  //检测忙
  10   1       LCM_Data = date;
  11   1       Delay_Xms(5);
  12   1       LCM_RS = 1;
  13   1       LCM_RW = 0;
  14   1       LCM_E = 0;   //小的延时
  15   1       LCM_E = 1;
  16   1       
  17   1      }
  18          
  19          /*********写指令BuysC为0时忽略忙检测**************/
  20          extern void WriteCommandLCM(unsigned char address,BuysC)     
  21          {
  22   1       //if (BuysC)
  23   1        ReadStatusLCM(); //根据需要检测忙
  24   1       LCM_Data = address;
  25   1       Delay_Xms(5);
  26   1       LCM_RS = 0;
  27   1       LCM_RW = 0;
  28   1       LCM_E = 0;
  29   1       LCM_E = 1;
  30   1       
  31   1      }
  32          
  33          /******************读忙状态(1忙，0不忙)*************/
  34            void  ReadStatusLCM(void)                                             
  35          {
  36   1       LCM_Data = 0x00;
  37   1       Delay_Xms(5);
  38   1       LCM_RS = 0;
  39   1       LCM_RW = 1;
  40   1       LCM_E = 0;
  41   1       LCM_E = 1; 
  42   1       while(Busy); //检测忙信号,忙则延时
  43   1      }
  44          /*********************LCM初始化**************************/
  45          extern void LCMInit(void)        
  46          {
  47   1       WriteCommandLCM(0x01,0); //清除屏幕
  48   1       WriteCommandLCM(0x38,0); //两次功能设置8位 单行 5*7不检测忙信号
  49   1       Delay_Xms(5);
  50   1       WriteCommandLCM(0x38,0);
  51   1       Delay_Xms(5);
  52   1       WriteCommandLCM(0x01,1); //显示清屏
  53   1       WriteCommandLCM(0x0C,1); // 控制光标，显示 开，闪烁
  54   1       WriteCommandLCM(0x06,1); // 控制光标和文字的移动
C51 COMPILER V8.02   LCM                                                                   06/01/2008 12:34:32 PAGE 2   

  55   1       }
  56          
  57          /********************显示程序（对应地址写入数据）********/
  58          extern void display_lcm(unsigned char date,unsigned char address)                            
  59          {
  60   1       WriteCommandLCM(address,1);
  61   1       WriteDataLCM(date);                 
  62   1      }
  63          /****************显示字符串******************************/
  64          extern void  diaplay_string( unsigned char *adr,unsigned char N)
  65           {
  66   1         unsigned char i,a=0x80;
  67   1         for(i=0;i<N;i++)
  68   1              {
  69   2                        WriteCommandLCM(a,1);
  70   2                WriteDataLCM(adr[i]);
  71   2                        a++;
  72   2                  }
  73   1       }
  74          /***********************END*******************************/


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    198    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      11
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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