text1.lst

单片机快速入门原程序

C51 COMPILER V7.50   TEXT1                                                                 05/26/2006 19:27:48 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN Text1.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE Text1.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #include<stdio.h>
   3          Uart_Init();
   4          sbit P10=0x90;
   5          sbit P11=0x91;
   6          sbit P12=0x92;
   7          sbit P13=0x93;
   8          sbit P14=0x94;
   9          sbit P15=0x95;
  10          sbit P16=0x96;
  11          sbit P17=0x97;
  12          int nKeyNumber;
  13          
  14          void Key0_Handler();
  15          void Key1_Handler();
  16          void Key2_Handler();
  17          void Key3_Handler();
  18          void Key4_Handler();
  19          void Key5_Handler();
  20          void Key6_Handler();
  21          void Key7_Handler();
  22          
  23          main()
  24          {       
  25   1              nKeyNumber=0xFF;
  26   1              EX0=1;
  27   1              EA=1;
  28   1              Uart_Init();
  29   1              while(1)
  30   1              {
  31   2                      if(nKeyNumber==0xFF) 
  32   2                              printf("No key pressed\n");
  33   2                      else 
  34   2                              switch(nKeyNumber)
  35   2                              {       
  36   3                                      case(0x00):Key0_Handler();
  37   3                                                              break;
  38   3                                      case(0x01):Key1_Handler();
  39   3                                                              break;
  40   3                                      case(0x02):Key2_Handler();
  41   3                                                              break;
  42   3                                      case(0x03):Key3_Handler();
  43   3                                                              break;
  44   3                                      case(0x04):Key4_Handler();
  45   3                                                              break;
  46   3                                      case(0x05):Key5_Handler();
  47   3                                                              break;
  48   3                                      case(0x06):Key6_Handler();
  49   3                                                              break;
  50   3                                      case(0x07):Key7_Handler();
  51   3                                                              break;
  52   3                              
  53   3                              }
  54   2      
  55   2              }
C51 COMPILER V7.50   TEXT1                                                                 05/26/2006 19:27:48 PAGE 2   

  56   1      }
  57          Uart_Init()
  58                  {SCON = 0x52;    /* 设置串行口控制寄存器SCON*/
  59   1               TMOD = 0x20;    /* 12M时钟时波特率为2400  */
  60   1               TCON = 0x69;    /* TCON */
  61   1               TH1 =  0xf3;    /* TH1 */
  62   1              }
  63          void int0() interrupt 0 using 0
  64          {       if(P10==0)
  65   1                              nKeyNumber=0x00;
  66   1              if(P11==0)
  67   1                              nKeyNumber=0x01;
  68   1              if(P12==0)
  69   1                              nKeyNumber=0x02;
  70   1              if(P13==0)
  71   1                              nKeyNumber=0x03;
  72   1              if(P14==0)
  73   1                              nKeyNumber=0x04;
  74   1              if(P15==0)
  75   1                              nKeyNumber=0x05;
  76   1              if(P16==0)
  77   1                              nKeyNumber=0x06;
  78   1              if(P17==0)
  79   1                              nKeyNumber=0x07;
  80   1      //      printf("External Interrupt 0 responded\n");
  81   1      }
  82          void Key0_Handler()
  83                  {printf("key NO. 0 down\n");
  84   1              }
  85          void Key1_Handler()
  86                  {printf("key NO. 1 down\n");
  87   1              }
  88          void Key2_Handler()
  89                  {printf("key NO. 2 down\n");
  90   1              }
  91          void Key3_Handler()
  92                  {printf("key NO. 3 down\n");
  93   1              }
  94          void Key4_Handler()
  95                  {printf("key NO. 4 down\n");
  96   1              }
  97          void Key5_Handler()
  98                  {printf("key NO. 5 down\n");
  99   1              }
 100          void Key6_Handler()
 101                  {printf("key NO. 6 down\n");
 102   1              }
 103          void Key7_Handler()
 104                  {printf("key NO. 7 down\n");
 105   1              }
 106          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    271    ----
   CONSTANT SIZE    =    144    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V7.50   TEXT1                                                                 05/26/2006 19:27:48 PAGE 3   


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