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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtIvi module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "amfmtunerbackend.h"
#include <QtDebug>
AmFmTunerBackend::AmFmTunerBackend(QObject *parent)
: QIviAmFmTunerBackendInterface(parent)
, m_band(QIviAmFmTuner::FMBand)
, m_timerId(-1)
{
qRegisterMetaType<QIviAmFmTunerStation>();
QVector<QIviAmFmTunerStation> fm_stations;
QIviAmFmTunerStation radioQt;
radioQt.setId(QStringLiteral("0"));
radioQt.setStationName(QStringLiteral("Radio Qt"));
radioQt.setFrequency(87500000);
radioQt.setBand(QIviAmFmTuner::FMBand);
fm_stations.append(radioQt);
QIviAmFmTunerStation qtRocksNonStop;
qtRocksNonStop.setId(QStringLiteral("1"));
qtRocksNonStop.setStationName(QStringLiteral("Qt Rocks non-stop"));
qtRocksNonStop.setFrequency(102500000);
qtRocksNonStop.setBand(QIviAmFmTuner::FMBand);
fm_stations.append(qtRocksNonStop);
BandData fmdata;
fmdata.m_frequency = 87500000;
fmdata.m_minimumFrequency = 87500000;
fmdata.m_maximumFrequency = 108000000;
fmdata.m_stepSize = 100000;
fmdata.m_stations = fm_stations;
m_bandHash.insert(QIviAmFmTuner::FMBand, fmdata);
BandData amdata;
amdata.m_frequency = 535000;
amdata.m_minimumFrequency = 535000;
amdata.m_maximumFrequency = 1700000;
amdata.m_stepSize = 10000;
m_bandHash.insert(QIviAmFmTuner::AMBand, amdata);
}
void AmFmTunerBackend::initialize()
{
emit bandChanged(m_band);
emit minimumFrequencyChanged(m_bandHash[m_band].m_minimumFrequency);
emit maximumFrequencyChanged(m_bandHash[m_band].m_maximumFrequency);
emit stepSizeChanged(m_bandHash[m_band].m_stepSize);
emit frequencyChanged(m_bandHash[m_band].m_frequency);
emit stationChanged(m_bandHash[m_band].m_stations.at(0));
emit initializationDone();
}
void AmFmTunerBackend::setFrequency(int frequency)
{
if (m_bandHash[m_band].m_frequency == frequency)
return;
if (frequency < m_bandHash[m_band].m_minimumFrequency || frequency > m_bandHash[m_band].m_maximumFrequency) {
qWarning() << "SIMULATION Frequency out of range";
return;
}
qWarning() << "SIMULATION Frequency changed to" << frequency;
m_bandHash[m_band].m_frequency = frequency;
emit frequencyChanged(frequency);
emit stationChanged(stationAt(m_bandHash[m_band].m_frequency));
}
void AmFmTunerBackend::setBand(QIviAmFmTuner::Band band)
{
if (m_band == band)
return;
qWarning() << "SIMULATION Band changed to" << band;
m_band = band;
emit bandChanged(band);
emit minimumFrequencyChanged(m_bandHash[m_band].m_minimumFrequency);
emit maximumFrequencyChanged(m_bandHash[m_band].m_maximumFrequency);
emit stepSizeChanged(m_bandHash[m_band].m_stepSize);
emit frequencyChanged(m_bandHash[m_band].m_frequency);
emit stationChanged(stationAt(m_bandHash[m_band].m_frequency));
}
void AmFmTunerBackend::stepUp()
{
qWarning() << "SIMULATION Step Up";
int newFreq = m_bandHash[m_band].m_frequency + m_bandHash[m_band].m_stepSize;
if (newFreq > m_bandHash[m_band].m_maximumFrequency)
newFreq = m_bandHash[m_band].m_minimumFrequency;
setFrequency(newFreq);
}
void AmFmTunerBackend::stepDown()
{
qWarning() << "SIMULATION Step Down";
int newFreq = m_bandHash[m_band].m_frequency + m_bandHash[m_band].m_stepSize;
if (newFreq < m_bandHash[m_band].m_minimumFrequency)
newFreq = m_bandHash[m_band].m_maximumFrequency;
setFrequency(m_bandHash[m_band].m_frequency - m_bandHash[m_band].m_stepSize);
}
void AmFmTunerBackend::seekUp()
{
qWarning() << "SIMULATION Seek Up";
QVector<QIviAmFmTunerStation> stations = m_bandHash[m_band].m_stations;
if (stations.count() == 0) {
return;
} else if (stations.count() == 1) {
setCurrentStation(stations.at(0));
} else {
int index = stationIndexFromFrequency(m_bandHash[m_band].m_frequency);
index++;
if (index >= stations.count())
index = 0;
setCurrentStation(stations.at(index));
}
}
void AmFmTunerBackend::seekDown()
{
qWarning() << "SIMULATION Seek Down";
QVector<QIviAmFmTunerStation> stations = m_bandHash[m_band].m_stations;
if (stations.count() == 0) {
return;
} else if (stations.count() == 1) {
setCurrentStation(stations.at(0));
} else {
int index = stationIndexFromFrequency(m_bandHash[m_band].m_frequency);
index--;
if (index < 0)
index = stations.count() - 1;
setCurrentStation(stations.at(index));
}
}
void AmFmTunerBackend::startScan()
{
if (m_timerId != -1) {
qWarning() << "SIMULATION a Scan is already in progress";
return;
}
qWarning() << "SIMULATION Scan started";
emit scanStatusChanged(true);
seekUp();
m_timerId = startTimer(5000);
}
void AmFmTunerBackend::stopScan()
{
if (m_timerId == -1) {
qWarning() << "SIMULATION no Scan is currently in progress, which can be stopped";
return;
}
qWarning() << "SIMULATION Scan stopped";
killTimer(m_timerId);
m_timerId = -1;
emit scanStatusChanged(false);
}
void AmFmTunerBackend::setCurrentStation(const QIviAmFmTunerStation &station)
{
m_bandHash[m_band].m_frequency = station.frequency();
qWarning() << "SIMULATION Station changed to" << station.stationName() << station.frequency();
emit frequencyChanged(station.frequency());
emit stationChanged(station);
}
int AmFmTunerBackend::stationIndexFromFrequency(int frequency) const
{
QVector<QIviAmFmTunerStation> stations = m_bandHash[m_band].m_stations;
for (int i=0; i < stations.count(); i++) {
const QIviAmFmTunerStation& station = stations.at(i);
if (station.frequency() == frequency)
return i;
}
return -1;
}
QIviAmFmTunerStation AmFmTunerBackend::stationAt(int frequency) const
{
int index = stationIndexFromFrequency(frequency);
if (index != -1)
return m_bandHash[m_band].m_stations.at(index);
return QIviAmFmTunerStation();
}
void AmFmTunerBackend::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
seekUp();
}
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