receive.lst

一个简单的串口程序。学校的作业了拉。！！ ！！ ！！ ！！1

C51 COMPILER V6.23a  RECEIVE                                                               04/15/2006 19:32:55 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE RECEIVE
OBJECT MODULE PLACED IN receive.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE receive.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <at89x52.h>
   2                  unsigned char a[]={0x3f,0x06,0x5b,0x4f,0x66 ,0x6d ,0x7d ,0x07 ,0x7f ,0x6f ,0x77 ,0x7c};
   3          unsigned char buf[1];
   4                  void delay(unsigned char j) 
   5              {
   6   1                unsigned char m,k;
   7   1                for(m=0;m<j;m++)
   8   1                for(k=0;k<255;k++);
   9   1               }
  10            
  11          void Serialinit(void)
  12          {       
  13   1              TMOD = (TMOD & 0x0F) | 0x20;      //T1工作方式
  14   1              TH1 = -6;                        //波特率初始值 注意用倍频方式
  15   1              PCON |= 0x00;                    //SMOD = 1
  16   1              TR1 = 1;
  17   1              SCON = 0x52;    //REN = 1
  18   1              ES = 1;
  19   1              EA = 1; }
  20          void RS232_intr( void ) interrupt 4             //注意RI和TI任一位变为1都中断
  21          {
  22   1              
  23   1              if( RI == 1 ){  RI=0;buf[0]=SBUF; }
  24   1      
  25   1      
  26   1      }
  27          
  28          
  29          
  30             void display(void) //显示函数
  31                   {
  32   1                P0=a[buf[0]];
  33   1                }
  34          
  35          
  36          
  37          void main( void )
  38          {
  39   1              Serialinit();
  40   1              buf[0]=9;
  41   1          P2_0=0;
  42   1              while( 1 ){ 
  43   2          display();
  44   2          delay(25);}
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     74    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     13    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V6.23a  RECEIVE                                                               04/15/2006 19:32:55 PAGE 2   

END OF MODULE INFORMATION.


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