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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/*
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* Copyright 2008 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "gpsclient.h"
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#include <QtCore/QDebug>
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#include <QtCore/QTimer>
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GpsClient::GpsClient(QObject *parent) : QObject(parent),
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m_socket(new QTcpSocket(this))
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{
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connect(m_socket, SIGNAL(connected()), this, SIGNAL(connected()));
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connect(m_socket, SIGNAL(connected()), this, SLOT(conn()));
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connect(m_socket, SIGNAL(disconnected()), this, SIGNAL(disconnected()));
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connect(m_socket, SIGNAL(readyRead()), this, SLOT(readData()));
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}
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void GpsClient::connectGps()
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{
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m_socket->connectToHost("127.0.0.1", 2947);
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}
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void GpsClient::disconnectGps()
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{
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m_socket->disconnectFromHost();
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}
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void GpsClient::query()
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{
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QTextStream out(m_socket);
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out << "p\n";
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}
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void GpsClient::readData()
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{
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QTextStream in(m_socket);
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QString reply = in.readLine();
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reply.remove(0, 7);
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if (reply != "?") {
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float lat = reply.section(' ', 0, 0).toFloat();
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float lon = reply.section(' ', 1, 1).toFloat();
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emit position(QPointF(lon, lat));
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}
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QTimer::singleShot(1000, this, SLOT(query()));
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}
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void GpsClient::conn()
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{
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QTimer::singleShot(1000, this, SLOT(query()));
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}
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