commands_example.cpp

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#include "examples.h"

#include <iostream> //std::cout

using namespace std;

/*
\link commands_example.cpp \endlink takes one arguments at the command line:
 an IP Address to a Galil controllers.
*/
int main(int argc, char * argv[])
{
  char buf[G_SMALL_BUFFER];

  //var used to refer to a unique connection. A valid connection is nonzero.
  GCon g = 0; 

  try
  {
    if (argc != 2) //Invalid number of arguments
    {
      cerr << "Incorrect number of arguments provided\n";
      cerr << "Usage: commands_example.exe <ADDRESS>\n";
      return GALIL_EXAMPLE_ERROR;
    }

    char* address = argv[1];  //Retrieve address from command line
    e(GOpen(address, &g)); //Opens a connection at the provided address

    //Demonstrates various uses of GCommand() and GUtility().
    commands(g);
  }
  catch (GReturn gr)
  {
    GError(gr, buf, G_SMALL_BUFFER); //Get Error Information
    cout << buf << '\n'; 
    if (g)
    {
      GSize size = sizeof(buf);
      GUtility(g, G_UTIL_ERROR_CONTEXT, buf, &size);
      cout << buf << '\n'; //further context
    }
    return GALIL_EXAMPLE_ERROR;
  }

  return GALIL_EXAMPLE_OK;
}