lcd12864.lst

基于Mini51板的数字示波器设计

C51 COMPILER V8.02   LCD12864                                                              01/14/2009 16:05:48 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LCD12864
OBJECT MODULE PLACED IN lcd12864.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lcd12864.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "lcd12864.h"
   2          
   3          void loop_lcd_is_busy(unsigned char right)
   4          {
   5   1        unsigned char tmp,counter=0;
   6   1        do {
   7   2              if(right) tmp = LCD_RCR;
   8   2              else tmp = LCD_LCR;     
   9   2              if(counter++>50) break;//超时跳出
  10   2        }
  11   1        while ((tmp|0x7f)==0xff);      
  12   1      }
  13          
  14          void lcd_cmd_wr(unsigned char cmdcode,unsigned char right)
  15          {
  16   1        loop_lcd_is_busy(right);
  17   1        if(right) LCD_RCW = cmdcode;
  18   1        else LCD_LCW = cmdcode;  
  19   1      }
  20          
  21          void lcd_dat_wr(unsigned char ldata,unsigned char right)
  22          { 
  23   1        loop_lcd_is_busy(right);
  24   1        if(right) LCD_RDW = ldata;
  25   1        else LCD_LDW = ldata;
  26   1      }
  27          
  28          void lcd_clr(void)
  29          {
  30   1              unsigned char i,j;
  31   1              for(i=0;i<8;i++) {
  32   2                      lcd_cmd_wr(ORGY+i,0);
  33   2                      lcd_cmd_wr(ORGX,0);
  34   2                      lcd_cmd_wr(ORGY+i,1);
  35   2                      lcd_cmd_wr(ORGX,1);
  36   2                      for(j=0;j<64;j++) {
  37   3                              lcd_dat_wr(0,0);
  38   3                              lcd_dat_wr(0,1);
  39   3                      }
  40   2              }
  41   1      }
  42          
  43          void lcd_init(void)
  44          {
  45   1        lcd_cmd_wr(DISPON,0);
  46   1        lcd_cmd_wr(DISPFIRST,0);
  47   1        lcd_cmd_wr(ORGY,0);
  48   1        lcd_cmd_wr(ORGX,0);
  49   1        lcd_cmd_wr(DISPON,1);
  50   1        lcd_cmd_wr(DISPFIRST,1);
  51   1        lcd_cmd_wr(ORGY,1);
  52   1        lcd_cmd_wr(ORGX,1);
  53   1        lcd_clr();
  54   1      }
  55          
C51 COMPILER V8.02   LCD12864                                                              01/14/2009 16:05:48 PAGE 2   

  56          //LCD更新指定列，以列为单位，一次更新1列
  57          void lcd_row_wr(unsigned char x,unsigned char *da)//x是列坐标,*da是8字节列数据
  58          {
  59   1              unsigned char j;
  60   1              if(x<64) { //根据列坐标选择左右半屏
  61   2                      for(j=0;j<8;j++) { //写左半屏
  62   3                              lcd_cmd_wr(ORGY+j,0);
  63   3                              lcd_cmd_wr(ORGX+x,0);
  64   3                              lcd_dat_wr(da[j],0);
  65   3                      }
  66   2              }
  67   1              else {
  68   2                      x-=64;//坐标调整
  69   2                      for(j=0;j<8;j++) { //写右半屏
  70   3                              lcd_cmd_wr(ORGY+j,1);
  71   3                              lcd_cmd_wr(ORGX+x,1);
  72   3                              lcd_dat_wr(da[j],1);
  73   3                      }               
  74   2              }
  75   1      }
  76          //LCD指定点显示驱动函数
  77          void lcd_disp(unsigned char x,unsigned char y)//x水平坐标，y垂直坐标
  78          {
  79   1              unsigned char dat[8];
  80   1              unsigned char j;
  81   1              y = 63-y;
  82   1              for(j=0;j<8;j++) dat[j] = 0x0;
  83   1              dat[y>>3] |= 0x01<<y&0x07;
  84   1              lcd_row_wr(x,dat);
  85   1      }
  86          
  87          
  88          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    375    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      14
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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