sio.lst

dvr

C51 COMPILER V7.50   SIO                                                                   12/14/2005 10:05:35 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE SIO
OBJECT MODULE PLACED IN .\OBJ\sio.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE sio.c LARGE OPTIMIZE(9,SIZE) BROWSE PRINT(.\LST\sio.lst) OBJECT(.\OBJ\sio.o
                    -bj)

line level    source

   1          /*
   2          ********************************************************************************
   3          *
   4          * (c) Copyright 2002, Vineyard Technologies, Inc.
   5          *
   6          * Filename : sio.c
   7          * Programmer(s): Steve KyeongHyeon Lee
   8          * Created : 2003/02/05
   9          * Modified :
  10          *
  11          * Description :
  12          ********************************************************************************
  13          */
  14          
  15          //###############################################################################
  16          //
  17          //###############################################################################
  18          #include "types.h"
  19          
  20          #include "8052reg.h"
  21          #include <stdio.h>
  22          #include "sio.h"
  23          
  24          
  25          //###############################################################################
  26          //
  27          //###############################################################################
  28          
  29          xdata char tbuf[TBUF_SIZE];
  30          xdata char rbuf[RBUF_SIZE];
  31          xdata u16 t_in = 0;
  32          xdata u16 t_out = 0;
  33          xdata u16 r_in = 0;
  34          xdata u16 r_out = 0;
  35          //xdata u8 t_disable = 0;
  36          
  37          #ifdef RS232_TO_PC_TRANSFER
              //xdata u16 num00 =0;
              //xdata u16 secnum01;
              //xdata u16 secnum02;
              #endif
  42          
  43          #ifdef DISPLAY_IP_ADDRESS
              xdata u16 r_timeout = 0;//for remote control IP recieve  time out
              xdata u16 t_timeout = 0;//for remote control IP transfer time out
              #endif
  47          #ifdef RE_CON
  48          //====================================================================
  49          // Check SIO input buffer length
  50          //====================================================================
  51          
  52          u8 sio_rbuflen(void)
  53          {
  54   1              return ( (r_in + RBUF_SIZE - r_out) % RBUF_SIZE );
C51 COMPILER V7.50   SIO                                                                   12/14/2005 10:05:35 PAGE 2   

  55   1      }
  56          
  57          //====================================================================
  58          // Get a character form input SIO buffer
  59          //====================================================================
  60          
  61          u8 sio_getchar(void)
  62          {
  63   1              u8 ch;
  64   1              
  65   1              ch = rbuf[r_out];
  66   1              if(++r_out==RBUF_SIZE) r_out = 0;
  67   1              return(ch);
  68   1      }
  69          
  70          
  71          
  72          //====================================================================
  73          //
  74          //====================================================================
  75          char sio_putchar(u8 c)
  76          {
  77   1              while(t_out!=t_in); // Wait until tx buffer is empty    
  78   1              
  79   1              tbuf[t_in] = c;
  80   1      
  81   1              if((t_in+1)==TBUF_SIZE)
  82   1                      t_in = 0;
  83   1              else
  84   1                      t_in++;
  85   1              //if(t_disable)
  86   1              //{
  87   1              //      t_disable = 0;
  88   1      
  89   1                      TI = 1;
  90   1              //}
  91   1              return (0);
  92   1      }
  93          #endif //RE_CON
  94          #ifdef DEBUG_PRINT
              //====================================================================
              //
              //====================================================================
              char putchar(char c)
              {
                      sio_putchar(c);
                      return (c);
              }
              #endif
 104          
 105          //====================================================================
 106          //
 107          //====================================================================
 108          void sio_init(void)
 109          {
 110   1              t_in = 0;
 111   1              t_out = 0;
 112   1      //      t_disable = 1;
 113   1              r_in = 0;
 114   1              r_out = 0;
 115   1      #ifdef DISPLAY_IP_ADDRESS
                      r_timeout = 0;
C51 COMPILER V7.50   SIO                                                                   12/14/2005 10:05:35 PAGE 3   

                      t_timeout = 0;
              #endif
 119   1      }
 120          
 121          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    172    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =     76    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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