/* * Copyright (C) 2005 Alfredo Pironti * * This software is distributed under a BSD-style license. See the * file "COPYING" in the top-level directory of the distribution for details. * */ /* This simple program shows the basic functionality of the C++ wrapper class */ #include #include "libgpsmm.h" using namespace std; #ifdef SAMPLE_USAGE static void callback(struct gps_data_t* p, char* buf, size_t len); #endif 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); } #ifdef SAMPLE_USAGE 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"; #endif #ifdef SAMPLE_USAGE 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); #endif cout << "Exiting\n"; return 0; } #ifdef SAMPLE_USAGE static void callback(struct gps_data_t* p, char* buf, size_t len) { 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"; } } #endif