ser.lst

通过stc12c4052单片机与电脑通信

C51 COMPILER V8.02   SER                                                                   05/10/2009 04:27:27 PAGE 1   


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

line level    source

   1          #include "STC12C4052AD.h"
   2          #define uchar unsigned char
   3          BYTE table[]={0x03,0x3F,0x4A,0x2A,0x36,0xA2,0x82,0x3B,0x02,0x22};
   4          uchar c;
   5          bit flag;
   6          void ser() interrupt 4
   7          {
   8   1      RI=0;
   9   1      c=SBUF;
  10   1      flag=1;
  11   1      }
  12          void serinit()
  13          {
  14   1      TMOD=0x20;
  15   1      TH1=0xfd;
  16   1      TL1=0xfd;
  17   1      SM0=0;
  18   1      SM1=1;
  19   1      REN=1;
  20   1      TR1=1;
  21   1      ES=1;
  22   1      EA=1;
  23   1      }
  24          void display()
  25          {
  26   1      uchar i;
  27   1      P3_7=0;
  28   1      P3_5=1;
  29   1      switch(c)
  30   1      {
  31   2      case 0x30:i=0;break;
  32   2      case 0x31:i=1;break;
  33   2      case 0x32:i=2;break;
  34   2      case 0x33:i=3;break;
  35   2      case 0x34:i=4;break;
  36   2      case 0x35:i=5;break;
  37   2      case 0x36:i=6;break;
  38   2      case 0x37:i=7;break;
  39   2      case 0x38:i=8;break;
  40   2      case 0x39:i=9;break;
  41   2      }
  42   1      P1=table[i];
  43   1      //for( j=0;j<1000;j++);//延时
  44   1      }
  45          void main()
  46          {
  47   1      unsigned long j;
  48   1      serinit();
  49   1      for(j=0;j<300000;j++);
  50   1      //while(1);
  51   1      P1M0 = 0x00;  //0 1 2 3  4 5 6 7 output
  52   1      P1M1 = 0xFF;  //  
  53   1      P3M0 = 0x00;   //0101 1111
  54   1      P3M1 = 0xFF;   //1010 0000ini_time0();
  55   1      while(1)
C51 COMPILER V8.02   SER                                                                   05/10/2009 04:27:27 PAGE 2   

  56   1      {
  57   2      //for(j=0;j<500000;j++);
  58   2      display();
  59   2      if(flag==1) //判断是否完成接收
  60   2      {
  61   3      flag=0;
  62   3      ES=0; //串口中断关闭
  63   3      SBUF=c; //将原先发送的值给缓存器(接发都是同一个,但意义不一样)
  64   3      while(!TI); //判断是否发送完成
  65   3      TI=0; //是则硬件清0
  66   3      ES=1; //再次打开串口中断   
  67   3      }                                                
  68   2      }
  69   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    223    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     11       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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