lesson 7.lst

有51单片机C语言基础后在较短时间内学会51单片机C。

C51 COMPILER V8.05a   LESSON_7                                                             02/04/2009 01:05:46 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LESSON_7
OBJECT MODULE PLACED IN lesson 7.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lesson 7.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<intrins.h>
   3          #define uint unsigned int
   4          #define uchar unsigned char
   5          unsigned char temp,temp1,flag,data1,i,aa;
   6          sbit dula=P2^6;
   7          sbit wela=P2^7;
   8          uchar code table[]={
   9          0x3f,0x06,0x5b,0x4f,
  10          0x66,0x6d,0x7d,0x07,
  11          0x7f,0x6f,0x77,0x7c,
  12          0x39,0x5e,0x79,0x71};
  13          void display();
  14          void initial();
  15          void txd();
  16          void rxd();
  17          void delay(uint z);
  18          void main()
  19          {
  20   1              initial();
  21   1              while(1)
  22   1              {       
  23   2              temp1=_crol_(temp1,1);
  24   2              P1=temp1;
  25   2              delay(500);
  26   2              }
  27   1      }
  28          void initial()
  29          {
  30   1              wela=1;
  31   1              P0=0xc0;
  32   1              wela=0;
  33   1              
  34   1              dula=1;
  35   1              P0=0x00;
  36   1              dula=0;
  37   1      
  38   1              temp1=0xfe;
  39   1              P1=temp1;
  40   1      
  41   1              TMOD=0x20;
  42   1              TH1=0xfd;
  43   1              TL1=0xfd;
  44   1              TR1=1;
  45   1      
  46   1              SM0=0;
  47   1              SM1=1;
  48   1              REN=1;
  49   1      
  50   1              EX0=1;
  51   1              IT0=1;//下降沿触发，谨慎使用低电平触发
  52   1      
  53   1              EA=1;
  54   1              ES=1;
  55   1          data1=0x00;
C51 COMPILER V8.05a   LESSON_7                                                             02/04/2009 01:05:46 PAGE 2   

  56   1              aa=0;
  57   1      }
  58          
  59          void INT_0() interrupt 0
  60          {
  61   1              EX0=0;
  62   1              for(i=0;i<10;i++)               //发送10个数据
  63   1              {                                
  64   2                  txd();           //发送数据
  65   2                      data1++;
  66   2                      delay(500);
  67   2              }
  68   1              EX0=1;
  69   1      
  70   1      }
  71          
  72          void scon() interrupt 4
  73          {
  74   1              RI=0;                   //接收程序
  75   1              rxd();
  76   1              display();
  77   1      } 
  78          
  79          void txd()
  80          {
  81   1              SBUF=data1;                        //发送数据
  82   1              while(TI==0);
  83   1              TI=0;
  84   1      }
  85          
  86          void rxd()
  87          {       
  88   1      //      while(RI==0);
  89   1          ES=0;                       
  90   1              temp=SBUF;              //接收数据
  91   1              RI=0;
  92   1              ES=1;
  93   1      }
  94          
  95          void display()
  96          {
  97   1              dula=1;
  98   1              P0=table[temp];
  99   1              dula=0;
 100   1      }
 101          
 102          void delay(uint z)
 103          {
 104   1              uint x,y;
 105   1              for(x=z;x>0;x--)
 106   1                      for(y=100;y>0;y--);
 107   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    287    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V8.05a   LESSON_7                                                             02/04/2009 01:05:46 PAGE 3   

END OF MODULE INFORMATION.


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