text1.lst

ds1302实验

C51 COMPILER V8.02   TEXT1                                                                 10/11/2008 15:28:11 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: c:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "config.h"
   2          
   3          #ifndef __AT89X51_H__
   4          #include <reg51.h>
   5          #endif
   6          
   7          #include <stdio.h>
   8          //extern disram[2][16];
   9          
  10          //所有函数声明
  11          void init_lcd (void);
  12          void wr_lcd (uchar dat_comm,uchar content);
  13          void chk_busy (void);
  14          void chn_disp (uchar x0,uchar y0,uchar num,uchar code *chn);
  15          
  16          
  17          //声明结束
  18          
  19          void init_lcd (void)   //初始化
  20          {
  21   1        wr_lcd (comm,0x38);  //设置16*2模式 5*7点阵 8位并行
  22   1        wr_lcd (comm,0x01);  /*清屏，地址指针指向00H*/
  23   1        wr_lcd (comm,0x06);  /*光标的移动方向  000001NS  N=1 地址加1  S=1 整屏左移（N=1） */
  24   1        wr_lcd (comm,0x0d);  /*开显示，关游标　　00001DCB  D=1 开显 C=1显光标 B=1 闪烁 　*/
  25   1      }
  26          
  27          
  28          
  29          char putchar(char c)
  30           {  chk_busy ();
  31   1          rs=1;   //data
  32   1          rw=0;   //write
  33   1          dateport=c;   //output data or comm
  34   1          e=1;
  35   1          ;
  36   1          e=0;
  37   1              return 1;
  38   1       }
  39          
  40          void coordinate_1602(uchar x0,uchar y0)
  41          {
  42   1        uchar coordinate;
  43   1        if (x0==1) coordinate=0x80+y0-1;
  44   1        else if (x0==2) coordinate=0xc0+y0-1;
  45   1        else 
  46   1                return;
  47   1        wr_lcd (comm,coordinate);
  48   1      
  49   1      }
  50          
  51          
  52          
  53          void wr_lcd(uchar dat_comm,uchar content)//向LCD写入命令或数据，写命令参数为（comm,#)写数据为（dat,#)
  54          {
  55   1        chk_busy ();
C51 COMPILER V8.02   TEXT1                                                                 10/11/2008 15:28:11 PAGE 2   

  56   1        if(dat_comm)
  57   1         {
  58   2          rs=1;   //data
  59   2          rw=0;   //write
  60   2         }
  61   1        else 
  62   1         {
  63   2          rs=0;   //command
  64   2          rw=0;   //write
  65   2         }
  66   1        dateport=content;   //output data or comm
  67   1        e=1;
  68   1        ;
  69   1        e=0;
  70   1      }
  71          void chk_busy (void)
  72          {
  73   1        dateport=0xff;
  74   1        ;
  75   1        rs=0;
  76   1        rw=1;
  77   1        e =1;
  78   1        while(busy==1);
  79   1        e =0;
  80   1      }
  81          
  82          /*void refreshLCD(void)
  83          {uchar i;
  84            wr_lcd (comm,0x80);
  85            for(i=0;i<16;i++)
  86               wr_lcd (dat,disram[0][i]);
  87            wr_lcd (comm,0x80);
  88            for(i=0;i<16;i++)
  89               wr_lcd (dat,disram[1][i]);
  90          
  91          }
  92          */


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    117    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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