keyboard test

#include "mainwindow.h"
#include <QApplication>

// standard libs
#include <unistd.h>
#include <iostream>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <linux/input.h>
using namespace std;

#define KEY_PRESS 1
#define KEY_RELEASE 0

int main(int argc, char *argv[])
{
    /*if(getuid() != 0)
    {
        std::cout << "Not logged as root: " << getenv("USER") << " quiting" << std::endl;
        return -1;
    }*/

    int fd, count=0;
       struct input_event event[64];
       if(getuid()!=0){
          cout << "You must run this program as root. Exiting." << endl;
          return -1;
       }
       cout << "Starting BB-BONE-GPIO Test (press 10 times to end):" << endl;
       if ((fd = open("/dev/input/event1", O_RDONLY)) < 0){
          perror("Failed to open event1 input device. Exiting.");
          return -1;
       }
       while(count < 20){  // Press and Release are one loop each
          int numbytes = (int)read(fd, event, sizeof(event));
          if (numbytes < (int)sizeof(struct input_event)){
             perror("The input read was invalid. Exiting.");
             return -1;
          }
          for (int i=0; i < numbytes/sizeof(struct input_event); i++){
             int type = event[i].type;
             int val  = event[i].value;
             int code = event[i].code;
             if (type == EV_KEY) {
                if (val == KEY_PRESS){
                   cout << "Press  : Code "<< code <<" Value "<< val<< endl;
                }
                if (val == KEY_RELEASE){
                   cout << "Release: Code "<< code <<" Value "<< val<< endl;
                }
             }
          }
          count++;
       }
       close(fd);

    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec();
}