main.cc

// **************************************************************************
// File: main.cc
//
// Author:    Phil Gillaspy
//
// Description: Demonstration program for GQ GMC (geiger-muller counter).
//
//    Usage: gqgmc <usb-port-device-name>
//    Example: gqgmc /dev/ttyUSB0
//
// **************************************************************************
#include <string>
#include <sstream>
#include <iostream>
#include <iomanip>
using namespace std;

#include <unistd.h>

#include "gqgmc.hh"
using namespace GQLLC;


void mypause()
{
  cout << "Paused: to continue, press ENTER.. " << flush;
  cin.ignore(1, '\n');
  return;
}

// Utility to show message to user. To be adapted to a pop-up window
// when code developed for GUI.
void Display_message(string msg)
{
  cout << msg << endl;
}

// Utility to encapsulate the code to display an error message. This is
// separated from Display_message() because this is specialized to
// accessing and formulating the GQGMC error status, but not displaying.
void Display_error(const GQGMC & gmc)
{
  gmc_error_t  err;
  err = const_cast<GQGMC &>(gmc).getErrorCode();
  stringstream msg;
  msg << const_cast<GQGMC &>(gmc).getErrorText(err);
  Display_message(msg.str());
  return;
}

int
main(int argc, char **argv)
{
  // Open the USB port using a USB to serial converter device driver.
    // Using UDEV rule file 51-gqgmc.rules to create symlink to /dev/gqgmc.
  string  usb_device = "/dev/gqgmc";

  if (argc > 1)
    usb_device = argv[1];
  else
  {
    cout << "Usage: gqgmc <usb-port-device-name>" << endl;
    cout << "Example: gqgmc /dev/ttyUSB0" << endl;
    return 0;
  }

//  cout << usb_device << endl; // debug

  // Instantiate the GQGMC object on the heap
  GQGMC * gqgmc = new GQGMC;