    // ------------------------------- //
    // -------- Start of File -------- //
    // ------------------------------- //
    // ----------------------------------------------------------- //
    // C++ Source Code File Name: client.cpp
    // C++ Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
    // Produced By: glNET Software
    // File Creation Date: 09/20/1999
    // Date Last Modified: 05/25/2001
    // Copyright (c) 2001 glNET Software
    // ----------------------------------------------------------- //
    // ------------- 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 transmit
    functions by writing a file or character string to a serial
    port.
    */
    // ----------------------------------------------------------- //
    #include <iostream.h>
    #include <fstream.h>
    #include <string.h>
    #include <stdlib.h>
    #include "gxscomm.h"

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

      gxSerialComm dev;
      int status = dev.OpenSerialPort(argv[1]);
      if(status < 0) {
        cout << "Cannot open the specifed device!" << endl;
        cout << "Exiting..." << endl;
        return 1;
      }
      else {
        if(status == gxSerialComm::scommREAD_WRITE)
          cout << argv[1] << " open for read/write access." << endl;
        else if(status == gxSerialComm::scommREAD_ONLY)
          cout << argv[1] << " open for read only access." << endl;
        else if(status == gxSerialComm::scommWRITE_ONLY)
          cout << argv[1] << " open for write only access." << endl;
        else {
          cout << "Invalid status opening " << argv[1] << endl;
          cout << "Exiting..." << endl;
          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.SetCharacterSize(7);

      dev.SetParity('N');
      // dev.SetParity('E');
      // dev.SetParity('0');
      // dev.SetParity('M');
      // dev.SetParity('S');

      dev.SetStopBits(1);

      if(dev.InitSerialPort() < 0) {
        cout << "Cannot initalize the specifed device!" << endl;
        return 1;
      }

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

      if(argc > 3) {
        char *fname = argv[3];
    #if defined(__DOS__) || defined(__WIN32__)
        // In MS-DOS there are two file types, text and binary
    #ifdef __BCC_BUILDER_40__
        // The BCC 32 ios class does not have an enumeration for "nocreate"
        fstream infile(fname, ios::in|ios::binary);
    #else
        fstream infile(fname, ios::in|ios::nocreate|ios::binary);
    #endif // __BCC_BUILDER_40__

    #elif defined(__UNIX__)
        // In UNIX there is only one file type
        fstream infile(fname, ios::in|ios::nocreate);
    #else
    #error You must define a file system: __DOS__, __WIN32__, or __UNIX__
    #endif
        if(!infile) {
          cout << endl;
          cout << "Cannot open file: " << fname << endl;
          cout << "Exiting..." << endl;
          cout << endl;
    	  return 0;
        }

        char c;
        const unsigned buff_sz = 1024;
        unsigned i, bytes_read;
        char sbuf[buff_sz];

        cout << "Coping the " << fname << " file to " << argv[1] << "..." << endl;
        bytes_read = 0;
        for(i = 0; i < buff_sz; i++) sbuf[i] = 0;
        while(!infile.eof()) {
          infile.get(c);
          sbuf[bytes_read] = c;
          bytes_read++;
          if((bytes_read == buff_sz) || (infile.eof())) {
    	if(dev.Send((char *)sbuf, bytes_read) < 0) {
    	  cout << "Error writing to the specifed device" << endl;
    	  break;
    	}
    	bytes_read = 0;
    	for(i = 0; i < buff_sz; i++) sbuf[i] = 0;
          }
        }
        cout << "File copied with no errors reported." << endl;
      }
      else {
        char *test_pattern = "The quick brown fox jumps over the lazy dog \
    0123456789\n";
        cout << "Sending a test pattern to " << argv[1] << endl;
        if(dev.Send((char *)test_pattern, strlen(test_pattern)) < 0) {
          cout << "Error writing to the specifed device" << endl;
          return 1;
        }
        else {
          cout << strlen(test_pattern) << " bytes sent." << endl;
          cout << "Message was sent with no errors reported." << endl;
        }
      }

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