95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/*
|
|
* Copyright 2008, 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "gpsclient.h"
|
|
|
|
#include <QtCore/QDebug>
|
|
#include <QtCore/QStringList>
|
|
#include <QtCore/QTimer>
|
|
|
|
GpsClient::GpsClient(QObject *parent) : QObject(parent),
|
|
m_socket(new QTcpSocket(this))
|
|
{
|
|
connect(m_socket, SIGNAL(connected()), this, SIGNAL(connected()));
|
|
connect(m_socket, SIGNAL(connected()), this, SLOT(conn()));
|
|
connect(m_socket, SIGNAL(disconnected()), this, SIGNAL(disconnected()));
|
|
connect(m_socket, SIGNAL(readyRead()), this, SLOT(readData()));
|
|
}
|
|
|
|
void GpsClient::connectGps()
|
|
{
|
|
m_socket->connectToHost("127.0.0.1", 2947);
|
|
}
|
|
|
|
void GpsClient::disconnectGps()
|
|
{
|
|
QTextStream out(m_socket);
|
|
out << "?WATCH={\"enable\":false}\n";
|
|
m_socket->disconnectFromHost();
|
|
}
|
|
|
|
void GpsClient::readData()
|
|
{
|
|
QTextStream in(m_socket);
|
|
QString reply = in.readLine();
|
|
if (reply.contains("TPV")) {
|
|
reply.remove("{");
|
|
reply.remove("}");
|
|
qreal lat = 0;
|
|
qreal lon = 0;
|
|
int mode = 0;
|
|
QStringList entries = reply.split(",");
|
|
foreach (const QString &entry, entries) {
|
|
if (entry.contains("lat")) {
|
|
lat = entry.section(":", 1, 1).toDouble();
|
|
} else if (entry.contains("lon")) {
|
|
lon = entry.section(":", 1, 1).toDouble();
|
|
} else if (entry.contains("alt")) {
|
|
qreal alt = entry.section(":", 1, 1).toDouble();
|
|
emit altitude(alt);
|
|
} else if (entry.contains("track")) {
|
|
qreal track = entry.section(":", 1, 1).toDouble();
|
|
emit direction(track);
|
|
} else if (entry.contains("speed")) {
|
|
qreal currentSpeed = entry.section(":", 1, 1).toDouble();
|
|
emit speed(currentSpeed);
|
|
} else if (entry.contains("mode")) {
|
|
// 0: no mode value yet seen
|
|
// 1: no fix
|
|
// 2: 2D
|
|
// 3: 3D
|
|
mode = entry.section(":", 1, 1).toInt();
|
|
}
|
|
}
|
|
if (mode > 1) {
|
|
emit fixed(true);
|
|
emit position(QPointF(lon, lat));
|
|
} else {
|
|
emit fixed(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GpsClient::conn()
|
|
{
|
|
QTextStream out(m_socket);
|
|
out << "?WATCH={\"enable\":true,\"json\":true}\n";
|
|
}
|
|
|