main.lst

很简单的串口程序

C51 COMPILER V7.50   MAIN                                                                  03/24/2008 23:05:27 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: D:\Program Files\keil51\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg51.h"
   2          
   3          void initUart(void)
   4          {
   5   1       TMOD|=0x20;
   6   1       SCON=0x50;
   7   1      // PCON|=0x80;
   8   1       TH1=0xe8;                  //波特率为9600
   9   1       TL1=0xe8;
  10   1       TR1=1;
  11   1      //************************************************
  12   1       //TMOD|=0x20;               //设T1方式2
  13   1       //SCON=0x50;                //设置串口方式1
  14   1       //TH1=0xfd;                 //设T1方式2
  15   1       //TL1=0xfd;                 //波特率9600
  16   1       //TR1=1;                    //启动T1
  17   1      } 
  18          //----------------------------------------------------------------------------
  19          void main(void)
  20          {
  21   1      initUart();
  22   1      SBUF=0xaa;                 //发送数据
  23   1      do{}  while(!TI);          //等待一帧发完
  24   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     25    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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