串口协议.lst

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C51 COMPILER V7.06   __口__议                                                              05/17/2005 11:27:13 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE __口__议
OBJECT MODULE PLACED IN 串口协议.OBJ
COMPILER INVOKED BY: D:\Keilk\C51\BIN\C51.EXE 串口协议.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //ISD51仿真软件的使用源程序
   2          
   3          //例程见下：
   4          #include <reg51.h>
   5          
   6          //#define uchar unsigned char
   7          
   8          
   9          
  10          
  11          //串口初始化程序
  12          void InitUart(char bps){
  13   1      SCON  = 0x50; /* SCON: mode 1, 8-bit UART, enable rcvr      */
  14   1              TMOD |= 0x20; /* TMOD: timer 1, mode 2, 8-bit reload        */
  15   1              if (bps==1) TH1=0xE8;  //BPS=1200
  16   1                      if (bps==2) TH1=0xF4 ;//BPS=2400
  17   1                              if (bps==3)  TH1=0xFA;//BPS=4800
  18   1                                      if (bps==4)  TH1 =0xFD;//BPS=9600
  19   1                                              if (bps==5) {
  20   2      PCON |=0x80;//BPS=19。2K
  21   2      TH1 =0xFd;
  22   2      }
  23   1              TL1=TH1;
  24   1      TR1   = 1;    /* TR1:  timer 1 run                          */
  25   1              TI    = 1;    /* TI:   set TI to send first char of UART    */
  26   1      }
  27          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     47    ----
   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)