io.lst

电梯控制程序

C51 COMPILER V7.20   IO                                                                    10/07/2005 09:34:16 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE IO
OBJECT MODULE PLACED IN IO.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\c51.exe IO.C DB OE SMALL ROM(LARGE)

line level    source

   1          #include<stdio.h>
   2          #include<REG51.H>
   3          sbit P1_0=P1^0;
   4          sbit P1_1=P1^1;
   5          sbit P1_2=P1^2;
   6          sbit P1_3=P1^3;
   7          sbit P3_4=P3^4;
   8          sbit P3_5=P3^5;
   9          
  10          unsigned        char    xdata   *reg1 = 0x4000;
  11          unsigned        char    xdata   *reg2 = 0x2000;
  12          unsigned        char    xdata   *reg3 = 0x1000;
  13          unsigned        char    xdata   *reg4 = 0x0800;
  14          char Buf1[5]={0x5D,0x36,0x36,0x36,0x49};                        //电梯楼层高位显示数码管
  15          char Buf2[5]={0x58,0x3A,0x3A,0x3A,0x46};        
  16          unsigned char i,j;
  17          main()
  18          {
  19   1              bit a;
  20   1              for(;;)
  21   1              {
  22   2                      P3_4=0;
  23   2                      P3_4=1;
  24   2                      P3_5=0;
  25   2                      P3_5=1;
  26   2      
  27   2                      *reg3 = 0x01;
  28   2                      *reg3 = 0x02;
  29   2                      *reg3 = 0x04;
  30   2                      *reg3 = 0x08;
  31   2                      *reg3 = 0x10;
  32   2                      *reg3 = 0x20;
  33   2                      *reg3 = 0x40;
  34   2              /*      
  35   2                      a = P1_0;
  36   2                      a = P1_1;
  37   2                      a = P1_2;
  38   2                      a = P1_3;*/
  39   2                      *reg3 = 0x74;
  40   2                      *reg4 = 0x78;
  41   2              
  42   2            /*  for(i=0;i<5;i++)
  43   2             {
  44   2              *reg1 = 1<<i;
  45   2              *reg3 = Buf1[i];
  46   2              *reg4 = Buf2[i];
  47   2              for(j=0;j<500;j++);
  48   2              }*/
  49   2      }
  50   1      }       
*** WARNING C280 IN LINE 19 OF IO.C: 'a': unreferenced local variable
  51                  
  52             


C51 COMPILER V7.20   IO                                                                    10/07/2005 09:34:16 PAGE 2   

MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     48    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     20    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)