    // ------------------------------- //
    // -------- Start of File -------- //
    // ------------------------------- //
    // ----------------------------------------------------------- //
    // C++ Source Code File Name: server.cpp
    // C++ Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
    // Produced By: DataReel Software Development Team
    // File Creation Date: 09/20/1999
    // Date Last Modified: 06/17/2016
    // Copyright (c) 2001-2025 DataReel Software Development
    // ----------------------------------------------------------- //
    // ------------- Program Description and Details ------------- //
    // ----------------------------------------------------------- //
    /*
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
    USA

    The program is used to test gxSerialComm class receive
    functions by reading characters from a serial port.
    */
    // ----------------------------------------------------------- //
    #include "gxdlcode.h"

    #if defined (__USE_ANSI_CPP__) // Use the ANSI Standard C++ library
    #include <iostream>
    using namespace std; // Use unqualified names for Standard C++ library
    #else // Use the old iostream library by default
    #include <iostream.h>
    #endif // __USE_ANSI_CPP__

    #include <stdlib.h>
    #include <time.h>
    #include "gxscomm.h"
    #include "dfileb.h"

    // Pauses for a specified number of milliseconds.
    inline void MSleep(clock_t wait)
    {
      clock_t goal;
      goal = wait + clock();
      while(goal > clock()) ;
    }

    void SerialRead(gxSerialComm *dev, char *dumpfile = 0)
    {
      DiskFileB outfile;
      if(dumpfile) {
        cout << "Writing output to the " << dumpfile << " file" << "\n" << flush;
        outfile.df_Create(dumpfile);
        if(!outfile) {
          cout << "\n" << flush;
          cout << "Cannot open the: " << dumpfile << " capture file"
    	   << "\n" << flush;
          cout << "Exiting..." << "\n" << flush;
          cout << "\n" << flush;
          return;
        }
      }

      cout << "Waiting to receive..." << "\n" << flush;
      cout << "Press Ctrl C to terminate." << "\n" << flush;

      const int rxBufferLen = 255;
      char buf[rxBufferLen];

      // Loop while waiting for input
      while(1) {
        MSleep(100); // Allow for I/O recovery time
        dev->RawRead((char *)buf, rxBufferLen);
        if(dev->BytesRead() > 0) {
          buf[dev->BytesRead()] = 0; // Null terminate the string
          if(dumpfile) { // Capture data to a file
    	outfile.df_Write((char *)buf, dev->BytesRead());
    	outfile.df_Flush();
          }
          else { // Write the data to the console
    	cout << buf << flush;
          }
        }
      }
    }

    int main(int argc, char **argv)
    {
      if(argc < 2) {
        cout << "Serial port receive program" << "\n" << flush;
        cout << "Usage 1: " << argv[0] << " device name [baud rate]" << "\n"
    	 << flush;
        cout << "Usage 2: " << argv[0] << " device name baud rate capture file"
    	 << "\n" << flush;
        return 1;
      }

      gxSerialComm dev;

      int status = dev.OpenSerialPort(argv[1]);
      if( status < 0) {
        cout << "Cannot open the specified device!" << "\n" << flush;
        cout << "Exiting..." << "\n" << flush;
        return 1;
      }
      else {
        if(status == gxSerialComm::scommREAD_WRITE)
          cout << argv[1] << " open for read/write access." << "\n" << flush;
        else if(status == gxSerialComm::scommREAD_ONLY)
          cout << argv[1] << " open for read only access." << "\n" << flush;
        else if(status == gxSerialComm::scommWRITE_ONLY)
          cout << argv[1] << " open for write only access." << "\n" << flush;
        else {
          cout << "Invalid status opening " << argv[1] << "\n" << flush;
          cout << "Exiting..." << "\n" << flush;
          return 1;
        }
      }

      if(argc > 2 && atoi(argv[2])) dev.SetBaudRate(atoi(argv[2]));
      else dev.SetBaudRate(9600);

      // dev.SetFlowControl(gxSerialComm::scommNO_FLOW_CONTROL);
      // dev.SetFlowControl(gxSerialComm::scommHARD_FLOW);
      dev.SetFlowControl(gxSerialComm::scommSOFT_FLOW);
      // dev.SetFlowControl(gxSerialComm::scommXON_XOFF);

      dev.SetCharacterSize(8);
      dev.SetParity('N');
      dev.SetStopBits(1);
      dev.BinaryMode();

      if(dev.InitSerialPort() < 0) {
        cout << "Cannot initialize the specified device!" << "\n" << flush;
        return 1;
      }

      if(status == gxSerialComm::scommWRITE_ONLY) {
        cout << "\n" << flush;
        cout << argv[1] << " is open for write only access." << "\n" << flush;
        cout << "You do not have permission to read from this device!" << "\n"
    	 << flush;
        cout << "Exiting..." << "\n" << flush;
        cout << "\n" << flush;
        return 1;
      }

      if(argc > 3)
        SerialRead(&dev, argv[3]); // Write received characters to specified file
      else
        SerialRead(&dev);

      dev.Close();
      return 0;
    }
    // ----------------------------------------------------------- //
    // ------------------------------- //
    // --------- End of File --------- //
    // ------------------------------- //