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/*
* Copyright (C) 2005 Alfredo Pironti
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* This simple program shows the basic functionality of the C++ wrapper class */
#include <iostream>
#include <string>
#include <unistd.h>
#include "libgpsmm.h"
using namespace std;
static void callback(struct gps_data_t* p, char* buf);
int main(void) {
gpsmm gps_rec;
struct gps_data_t *resp;
resp=gps_rec.open();
if (resp==NULL) {
cout << "Error opening gpsd\n";
return (1);
}
cout << "Going to set the callback...\n";
if (gps_rec.set_callback(callback)!=0 ) {
cout << "Error setting callback.\n";
return (1);
}
cout << "Callback setted, sleeping...\n";
sleep(10);
cout << "Exited from sleep...\n";
if (gps_rec.del_callback()!=0) {
cout << "Error deleting callback\n";
return (1);
}
cout << "Sleeping again, to make sure the callback is disabled\n";
sleep(4);
cout << "Exiting\n";
return 0;
}
static void callback(struct gps_data_t* p, char* buf) {
if (p==NULL) {
cout << "Error polling gpsd\n";
return;
}
cout << "Online:\t" << p->online << "\n";
cout << "Status:\t" << p->status << "\n";
cout << "Mode:\t" << p->fix.mode << "\n";
if (p->fix.mode>=MODE_2D) {
if (p->set & LATLON_SET) {
cout << "LatLon changed\n";
}
else {
cout << "LatLon unchanged\n";
}
cout << "Longitude:\t" << p->fix.longitude <<"\n";
cout << "Latitude:\t" << p->fix.latitude <<"\n";
}
}
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