mcu_main.lst

单片机串行口的编程使用包括一些具体的设置

C51 COMPILER V7.09   MCU_MAIN                                                              08/24/2007 09:35:46 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE MCU_MAIN
OBJECT MODULE PLACED IN MCU_Main.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE MCU_Main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          
   3          //UART初始化：模式1，8位，9600Bds at 11.059MHz
   4          void InitSerial()
   5          {       
   6   1              SCON = 0x50;                                             // uart in mode 1 (8 bit), REN=1
   7   1              TMOD = TMOD | 0x20 ;       // Timer 1 in mode 2 
   8   1              TH1  = 0xFD;               // 9600 Bds at 11.059MHz 
   9   1              TL1  = 0xFD;                                       // 9600 Bds at 11.059MHz
  10   1              TR1  = 1;                                                    // Timer 1 run
  11   1              }
  12                  
  13          void main()
  14          {
  15   1              unsigned char temp;
  16   1              InitSerial();
  17   1              while(1)
  18   1              {
  19   2                      while(!RI);
  20   2                      RI = 0;
  21   2                      temp = SBUF;
  22   2                      TI = 0;
  23   2                      SBUF = temp;
  24   2                      while(!TI);
  25   2                      }
  26   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     34    ----
   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)