serialbandrate.lst

this procedure is a game of basketball or subsystems time, the competition will record the entire ti

C51 COMPILER V8.02   SERIALBANDRATE                                                        08/31/2007 10:33:07 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SERIALBANDRATE
OBJECT MODULE PLACED IN .\serialbandrate.obj
COMPILER INVOKED BY: E:\programfiles\Keil51\C51\BIN\C51.EXE ..\..\..\keil\MyProgramLibray\C8051F020\serialbandrate.C LAR
                    -GE BROWSE INCDIR(..\..\..\keil\MyProgramLibray;..\..\..\keil\MyProgramLibray\C8051F020;..\..\..\keil\MyProgramLibray\JHD
                    -657;..\..\..\keil\MyProgramLibray\PDIUSB) DEBUG OBJECTEXTEND PRINT(.\serialbandrate.lst) OBJECT(.\serialbandrate.obj)

line level    source

   1          //AT89S52
   2          //XTAL :24MHz
   3          
   4          #include <serialbandrate.H>
   5          #include <c8051f020.h> 
   6          void bandrateset()
   7          {
   8   1              TR1=0;
   9   1              TMOD=TMOD|0X20;                  //timer1 as 8bit autureload
  10   1              SCON0=SCON0&0x0F;       
  11   1              SCON0=SCON0|0x50;                        //串口方式2
  12   1              PCON=0x80;                               //bandrate 二倍频
  13   1              TL1=TH1=0xF3;                    //band rate=9600b/s
  14   1              TI0=1;
  15   1              TR1=1;  
  16   1              REN0=1;
  17   1      }
  18          
  19          #define XON  0x11
  20          #define XOFF 0x13
  21          
  22          
  23          /*
  24           * putchar (full version):  expands '\n' into CR LF and handles
  25           *                          XON/XOFF (Ctrl+S/Ctrl+Q) protocol
  26           */
  27          char putchar (char c)  {
  28   1      
  29   1        if (c == '\n')  {
  30   2          if (RI0)  {
  31   3            if (SBUF0 == XOFF)  {
  32   4              do  {
  33   5                RI0 = 0;
  34   5                while (!RI0);
  35   5              }
  36   4              while (SBUF0 != XON);
  37   4              RI0 = 0; 
  38   4            }
  39   3          }
  40   2          while (!TI0);
  41   2          TI0 = 0;
  42   2          SBUF0 = 0x0d;                         /* output CR  */
  43   2        }
  44   1        if (RI0)  {
  45   2          if (SBUF0 == XOFF)  {
  46   3            do  {
  47   4              RI0 = 0;
  48   4              while (!RI0);
  49   4            }
  50   3            while (SBUF0 != XON);
  51   3            RI0 = 0; 
  52   3          }
  53   2        }
C51 COMPILER V8.02   SERIALBANDRATE                                                        08/31/2007 10:33:07 PAGE 2   

  54   1        while (!TI0);
  55   1        TI0 = 0;
  56   1        return (SBUF0 = c);
  57   1      }
  58          
  59          
  60          
  61          #if 0         // comment out versions below
              
              /*
               * putchar (basic version): expands '\n' into CR LF
               */
              char putchar (char c)  {
                if (c == '\n')  {
                  while (!TI0);
                  TI0 = 0;
                  SBUF0 = 0x0d;                         /* output CR  */
                }
                while (!TI0);
                TI0 = 0;
                return (SBUF0 = c);
              }
              
              
              /*
               * putchar (mini version): outputs charcter only
               */
              char putchar (char c)  {
                while (!TI0);
                TI0 = 0;
                return (SBUF0 = c);
              }
              
              #endif 


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     88    ----
   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)