lcd_function.lst

TMS320F2812液晶显示学习例程所以请不要将文件放在这两个目录下能够在dsp2812的开发板上实现

C51 COMPILER V6.23a  LCD_FUNCTION                                                          03/24/2006 16:06:58 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE LCD_FUNCTION
OBJECT MODULE PLACED IN lcd_function.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE lcd_function.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          
   2          #include <AT89X52.H>
   3          #include <lcd_header.h>
   4          
   5          #define Disp_On  0x3f
   6          #define Disp_Off 0x3e
   7          #define Col_Add  0x40///////Y地址
   8          #define Page_Add 0xb8////////x地址
   9          #define Start_Line 0xc0//启始行 
  10          
  11          
  12          sbit CSZ=P0^4;  //Master chip enable －－－左半部分CS2
  13          sbit CSY=P0^3;  //Slave chip enable －－－右半部分CS1
  14          sbit Enable=P0^2; //6800 mode Enable single －－－据说是下降沿有效
  15          sbit RS=P0^0;  //Data or Instrument Select －－－
  16          sbit RW=P0^1;  //Write or Read －－－读写选择位
  17          sbit Lcd_Rst=P0^5; //Lcm reset －－－LCD复位
  18          #define Lcd_Bus P2  //MCU P1<------> LCM
  19          /*------------------延时子程序-----------------------------*/
  20          
  21          void delay(unsigned int t)
  22                  {
  23   1                      unsigned int i,j;
  24   1      
  25   1                      for( i = 0 ; i < t ; i ++ )
  26   1                              for( j = 0 ; j < 10 ; j ++ ) ;
  27   1              }
  28          /*------------------写命令到LCD------------------------------*/
  29          void write_com( unsigned char cmdcode )
  30                  {
  31   1                      RS = 0 ;
  32   1                      RW = 0 ;
  33   1                      //tran164(cmdcode);//
  34   1                      Lcd_Bus = cmdcode ;
  35   1                      delay ( 0 ) ;
  36   1                      Enable = 1 ;
  37   1                      delay ( 0 ) ;
  38   1                      Enable = 0 ;
  39   1              }
  40          /*-------------------写数据到LCD----------------------------*/
  41          void write_data ( unsigned char Dispdata )
  42                  {
  43   1                      RS = 1 ;
  44   1                      RW = 0 ;
  45   1                      //tran164(Dispdata);//
  46   1                      Lcd_Bus = Dispdata ;
  47   1                      delay ( 0 ) ;
  48   1                      Enable = 1 ;
  49   1                      delay ( 0 ) ;
  50   1                      Enable = 0 ;
  51   1              }
  52          /*------------------清除内存---------------*/
  53          void Clr_Scr ( )
  54                  {
  55   1                      unsigned char j , k ; 
C51 COMPILER V6.23a  LCD_FUNCTION                                                          03/24/2006 16:06:58 PAGE 2   

  56   1                      
  57   1                      CSZ= 1 ;
  58   1                      CSY = 1 ;
  59   1                      write_com ( Page_Add + 0 ) ;
  60   1                      write_com ( Col_Add  + 0 ) ;
  61   1                      for( k = 0 ; k < 8 ; k ++ )
  62   1                              {
  63   2                                      write_com( Page_Add + k ) ;
  64   2                                      for ( j = 0 ; j < 64 ; j++ )
  65   2                                              {
  66   3                                                      write_data( 0x00 ) ;
  67   3                                              }
  68   2                              }
  69   1              }
  70          
  71          
  72          
  73          /*---------------------指定位置显示汉字16*16-----------------------*/
  74          void hz_disp16( unsigned char pag , unsigned char col, unsigned char code  *hzk )
  75                  {
  76   1                      unsigned char j , i ;
  77   1      
  78   1                      for(j=0;j<2;j++)
  79   1                              {
  80   2                                      write_com(Page_Add+pag+j);
  81   2                                      write_com(Col_Add+col);
  82   2                                      for(i=0;i<16;i++) 
  83   2                                              {
  84   3                                                      write_data(hzk[16*j+i]);
  85   3                                              }
  86   2                              }
  87   1              }
  88          
  89          void init_lcd( void )
  90                  {
  91   1                      Lcd_Rst = 0 ;                           //复位LCD
  92   1                      delay ( 100 ) ;
  93   1                      Lcd_Rst = 1 ;
  94   1                      delay ( 100 ) ;
  95   1                      CSZ = 1 ;
  96   1                      CSY = 1 ;
  97   1                      delay ( 100 ) ;
  98   1                      write_com ( Disp_Off ) ;
  99   1                      write_com ( Page_Add ) ;
 100   1                      write_com ( Start_Line );
 101   1                      write_com ( Col_Add ) ;
 102   1                      write_com ( Disp_On );
 103   1              }
 104          void writecuit( unsigned char pag,unsigned char col,unsigned char code *dat , unsigned char pagc,unsigned 
             -char colc)
 105          //                     显示起始页     显示起始列        显示图案数据                图案所占页          图
             -案所占列
 106                  {
 107   1                      unsigned char i,j;
 108   1                      
 109   1                      for(j = 0 ; j < pagc ; j++ )
 110   1                      {
 111   2                              CSZ = 1 ;
 112   2                              CSY = 0 ;
 113   2                              write_com ( Page_Add + pag + j ) ;
 114   2                              write_com ( Col_Add + col ) ;
 115   2                              for( i = 0 ; i < colc ; i ++ )
C51 COMPILER V6.23a  LCD_FUNCTION                                                          03/24/2006 16:06:58 PAGE 3   

 116   2                                      {
 117   3                                              if ( ( i+col ) == 64 ) 
 118   3                                                      {
 119   4                                                              CSZ = 0 ;
 120   4                                                              CSY = 1 ;
 121   4                                                              write_com ( Col_Add ) ;
 122   4                                                      write_com ( Page_Add + pag + j ) ;
 123   4                                                      }
 124   3                                              else if ((i+col)==127)
 125   3                                                      {
 126   4                                                              CSZ = 1 ;
 127   4                                                              CSY = 0 ;
 128   4                                                              write_com ( Col_Add ) ;
 129   4                                                      write_com ( Page_Add + pag + j ) ;
 130   4                                                      }
 131   3                                              write_data ( dat [colc * j + i ] ) ;
 132   3                                      }
 133   2                      }
 134   1              }
 135          
 136          
 137          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    346    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      13
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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