C51 COMPILER V7.06   SERIAL                                                                01/13/2008 14:49:16 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE SERIAL
OBJECT MODULE PLACED IN serial.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE serial.C LARGE BROWSE INCDIR(E:\操作系統\UC-OS\UCOS8051-可用\) DEBUG OBJECT
                    -EXTEND

stmt level    source

   1          /*
   2          *********************************************************************************************************
   3          *                                                uC/OS-II
   4          *                                          The Real-Time Kernel
   5          *
   6          *                        (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
   7          *                                           All Rights Reserved
   8          *
   9          *                                                  V2.00
  10          *
  11          * File : serial.C
  12          * 功能：        基于中斷的串口驅動及顯示程序
  13          *********************************************************************************************************
  14          */
  15          
  16          #ifndef OS_MASTER_FILE
  17          #include "includes.h"
  18          #endif
  19          
  20          #include <serial.h>
  21          unsigned char TxBuf[LenTxBuf],RxBuf[LenRxBuf];  //收發緩沖區
  22          unsigned char inTxBuf,outTxBuf,inRxBuf,outRxBuf;//收發緩沖區讀寫指針
  23          bit TIflag=1;           //發送區空標志 
  24          
  25          void InitSerial() reentrant     //串口初始化，9600，8bit，1bit stop
  26          {
  27   1      TMOD=TMOD&0x0F;
  28   1      TMOD=TMOD|0x20;
  29   1      TH1=0xFD;
  30   1      TL1=0xFD;
  31   1      SCON=0x50;
  32   1      PCON=0x00;
  33   1      TR1=1;
  34   1      }
  35          
  36          void InitSerialBuffer(void) reentrant   //串口緩沖區初始化
  37          {
  38   1      inTxBuf=outTxBuf=0;
  39   1      inRxBuf=outRxBuf=0;
  40   1      ES=1;
  41   1      }
  42          
  43          void serial(void) reentrant 
  44          {
  45   1      if(TI){
  46   2      TI=0;
  47   2      while(inTxBuf!=outTxBuf){
  48   3      SBUF=TxBuf[outTxBuf];
  49   3      while(TI==0);
  50   3      TI=0;
  51   3      outTxBuf=(outTxBuf+1)%LenTxBuf;
  52   3      }
  53   2      TIflag=1;
  54   2      }
C51 COMPILER V7.06   SERIAL                                                                01/13/2008 14:49:16 PAGE 2   

  55   1      if(RI){
  56   2      RI=0;
  57   2      if(((inRxBuf+1)%LenTxBuf)==outRxBuf) return;
  58   2      RxBuf[inRxBuf]=SBUF;
  59   2      inRxBuf=(inRxBuf+1)%LenTxBuf;
  60   2      }
  61   1      }
  62          
  63          void PrintChar(unsigned char ch) reentrant
  64          {
  65   1      if(((inTxBuf+1)%LenTxBuf)==outTxBuf) return;
  66   1      TxBuf[inTxBuf]=ch;
  67   1      inTxBuf=(inTxBuf+1)%LenTxBuf;
  68   1      if(TIflag){
  69   2      TIflag=0;
  70   2      TI=1;
  71   2      }
  72   1      }
  73          
  74          void PrintStr(unsigned char *str) reentrant
  75          {
  76   1      int i;
  77   1      unsigned char ch;
  78   1      OS_ENTER_CRITICAL();
  79   1      for(i=0;i<MaxLenStr;i++){
  80   2      ch=*(str+i);
  81   2      if(ch=='\0') break;
  82   2      else if(ch=='\n'){
  83   3      PrintChar('\n');
  84   3      PrintChar('\r');
  85   3      }
  86   2      else
  87   2      PrintChar(ch);
  88   2      }
  89   1      OS_EXIT_CRITICAL();
  90   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    369    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   2054    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)