printf51.lst

时间触发嵌入式系统设计模式:使用8051系列微控制器开发可靠应用

C51 COMPILER V6.10  PRINTF51                                                               04/19/2001 11:30:48 PAGE 1   


C51 COMPILER V6.10, COMPILATION OF MODULE PRINTF51
OBJECT MODULE PLACED IN .\PRINTF51.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE .\PRINTF51.C OPTIMIZE(6,SPEED) BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*------------------------------------------------------------------*-
   2          
   3             Printf51.C (v1.00)
   4          
   5            ------------------------------------------------------------------
   6             
   7             A simple serial initialisation routine to allow Keil hardware
   8             simulator to be used to run 'desktop' C examples.
   9          
  10             [Full details of a complete serial interface library are given
  11             in Chapter 18.  This code is for demo purposes only!!! ]
  12          
  13          
  14             COPYRIGHT
  15             ---------
  16          
  17             This code is from the book:
  18          
  19             PATTERNS FOR TIME-TRIGGERED EMBEDDED SYSTEMS by Michael J. Pont 
  20             [Pearson Education, 2001; ISBN: 0-201-33138-1].
  21          
  22             This code is copyright (c) 2001 by Michael J. Pont.
  23           
  24             See book for copyright details and other information.
  25          
  26          -*------------------------------------------------------------------*/
  27          
  28          #include "Main.h"
  29          #include "Printf51.h"
  30          
  31          /*------------------------------------------------------------------*-
  32          
  33            Printf51_Init()
  34          
  35            A simple serial initialisation routine to allow Keil hardware
  36            simulator to be used to run 'desktop' C examples.
  37          
  38          -*------------------------------------------------------------------*/
  39          void Printf51_Init(void)
  40             {
  41   1         const tWord BAUD_RATE = 9600;
  42   1      
  43   1         PCON &= 0x7F;   // Set SMOD bit to 0 (don't double baud rates)
  44   1      
  45   1         //  Receiver enabled.
  46   1         //  8-bit data, 1 start bit, 1 stop bit, 
  47   1         //  Variable baud rate (asynchronous)
  48   1         //  Receive flag will only be set if a valid stop bit is received
  49   1         //  Set TI (transmit buffer is empty)
  50   1         SCON = 0x72;
  51   1      
  52   1         TMOD |= 0x20;   // T1 in mode 2, 8-bit auto reload
  53   1      
  54   1         // See Main.H for details of OSC_FREQ and OSC_PER_INST
  55   1         TH1 = (256 - (tByte)((((tLong)OSC_FREQ / 100) * 3125) 
C51 COMPILER V6.10  PRINTF51                                                               04/19/2001 11:30:48 PAGE 2   

  56   1                  / ((tLong) BAUD_RATE * OSC_PER_INST * 1000)));
  57   1      
  58   1         TL1 = TH1;  
  59   1         TR1 = 1;  // Run the timer
  60   1      
  61   1         TI = 1;   // Send dummy byte
  62   1      
  63   1         // Interrupt *NOT* enabled
  64   1         ES = 0;
  65   1         }
  66          
  67          /*------------------------------------------------------------------*-
  68            ---- END OF FILE -------------------------------------------------
  69          -*------------------------------------------------------------------*/


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     59    ----
   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)