C51 COMPILER V7.06   SERIAL                                                                02/12/2009 10:21:01 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE SERIAL
OBJECT MODULE PLACED IN serial.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE serial.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          //---------------------------------------
   2          // Example read and write DS1820
   3          // for AT89S52
   4          // KEIL C51 v7.5
   5          // www.GetMicro.com
   6          //---------------------------------------
   7          #include <AT89X52.H>
   8          #include<stdio.h>
   9          #include <string.h>
  10          
  11          //---------------------------------------
  12          // Initialize serial port
  13          //---------------------------------------
  14          void InitSerial(void)
  15          {
  16   1              SCON = 0x52;    // setup serial port control 
  17   1              TMOD = 0x20;    // hardware (9600 BAUD @11.05592MHZ) 
  18   1              TH1  = 0xFD;    // TH1
  19   1              TR1      = 1;           // Timer 1 on   */        
  20   1      
  21   1      /*      SCON  = 0x50;
  22   1              RCLK=1;
  23   1              TCLK=1;
  24   1              RCAP2H=0xFF;
  25   1              RCAP2L=0xFD;       //115200
  26   1              TR2=1;
  27   1              TI=1;                //TI:   set TI to send first char of UART   */
  28   1      
  29   1      }
  30          
  31          void send_data(char uart_data)//gui du lieu qua cong COM
  32          {
  33   1              TI=0;
  34   1              SBUF=uart_data;
  35   1              while(TI==0){}//cho trong khi dang gui du lieu
  36   1      //      TI=0;
  37   1      }
  38          
  39          //***************Gu+?i mo^.t chuo^~i k