串口通信.lst

单片机通信源程序,为串口的发送和接收程序.

C51 COMPILER V8.02   串口通信                                                              01/04/2008 21:06:46 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 串口通信
OBJECT MODULE PLACED IN 串口通信.OBJ
COMPILER INVOKED BY: D:\Program Film\Keil3\C51\BIN\C51.EXE 串口通信.C BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h>
   2          #define uchar unsigned char 
   3          #define uint unsigned int
   4           
   5          static uchar Num;
   6          
   7          uchar SEG_TAB[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90};//0-9数字
   8          
   9          sbit P2_0 = P2^0;
  10          sbit P2_1 = P2^1;
  11          
  12          
  13          void Delay(uint t)
  14          {
  15   1         uchar i ;
  16   1         while(t--)
  17   1          {
  18   2                 for(i = 0;i <125;i++)
  19   2                  {;}
  20   2              }
  21   1      }
  22          void Disp(void)
  23          {
  24   1          P2_1 = 0;                    
  25   1              P0 = SEG_TAB[ Num/10 ]; 
  26   1              Delay(1);
  27   1              P2_1 = 1;
  28   1      
  29   1              P2_0 = 0;
  30   1              P0 = SEG_TAB[ Num%10 ];
  31   1              Delay(1);
  32   1              P2_0 = 1;
  33   1      }
  34          void main(void)
  35          {
  36   1         TMOD = 0x20;
  37   1         TL1 = 0xfd; TH1 = 0xfd;
  38   1         SCON = 0xd8;PCON = 0x00;
  39   1         TR1 = 1;
  40   1         while(1)
  41   1          { 
  42   2                Disp();
  43   2                if(RI == 1)
  44   2                {
  45   3                  RI = 0;
  46   3                  Num = SBUF;
  47   3                 }
  48   2              }
  49   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     93    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V8.02   串口通信                                                              01/04/2008 21:06:46 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =     11    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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