wd.lst

来自「该程序可以实现用595与154结合51单片机的16*32LED点阵左右滚动。」· LST 代码 · 共 108 行

C51 COMPILER V8.05a   WD                                                                   03/26/2009 12:12:54 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE WD
OBJECT MODULE PLACED IN wd.OBJ
COMPILER INVOKED BY: E:\KeilC51安装地\C51\BIN\C51.EXE wd.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <at89x51.h>
   2          #include "led.h"
   3          unsigned char init=0;
   4          unsigned int temp=0;
   5          unsigned int x=0,y=0;
   6          
   7          void delay(unsigned char t)
   8          {
   9   1               while(--t);
  10   1      }
  11          void delay_50us(unsigned int t)
  12          {
  13   1               unsigned char j;
  14   1               for(;t>0;t--)
  15   1               for(j=19;j>0;j--);
  16   1      }
  17          
  18          void init_device(void)
  19          {
  20   1               P2_4=1;
  21   1               delay_50us(1); //88us
  22   1               P2_4=0;
  23   1               delay_50us(12);         //736
  24   1               P2_4=1;
  25   1               delay(30);        //142us
  26   1               if (P2_4==0) init=1;
  27   1               delay_50us(5);
  28   1      }
  29          void write_8bit(unsigned char write_dat)
  30          {
  31   1               unsigned char i=0;
  32   1               for (i=0;i<8;i++)
  33   1               {
  34   2                       P2_4=0;
  35   2                       P2_4=write_dat&0x01;
  36   2                       delay_50us(2);    //61
  37   2                       P2_4=1;
  38   2                       write_dat=write_dat>>1;
  39   2               }
  40   1      }
  41          unsigned char read_8bit(void)
  42          {
  43   1               unsigned char read_dat=0,i=0;
  44   1               for (i=0;i<8;i++)
  45   1               {
  46   2                       
  47   2                       P2_4=0;
  48   2                       read_dat>>=1;
  49   2                       P2_4=1;
  50   2                       delay(1);
  51   2                       if (P2_4) read_dat|=0x80;
  52   2                       delay_50us(2);   //52
  53   2               }
  54   1               return (read_dat);
  55   1      }
C51 COMPILER V8.05a   WD                                                                   03/26/2009 12:12:54 PAGE 2   

  56          unsigned char temperature(void)
  57          {
  58   1               unsigned char wd_l8=0,wd_h8=0,wd=0;
  59   1               
  60   1               init_device();
  61   1               write_8bit(0xCC);
  62   1               write_8bit(0x44);
  63   1               delay_50us(16);
  64   1               init_device();
  65   1               write_8bit(0xCC);
  66   1               write_8bit(0xBE);
  67   1               wd_l8=read_8bit();
  68   1               wd_h8=read_8bit();
  69   1               wd_l8=wd_l8>>4;
  70   1               wd_h8=wd_h8<<4;
  71   1               wd=wd_l8|wd_h8;
  72   1               return (wd);
  73   1      }
  74                  
  75          void wd_t(void)
  76          {
  77   1               P2_4=1;         
  78   1               temp=temperature();
  79   1               x=temp/10;
  80   1           y=temp-10*x;
  81   1               
  82   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    225    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      7    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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