mirror of
https://github.com/f4exb/sdrangel.git
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152 lines
4.9 KiB
C++
152 lines
4.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// (c) 2015 John Greb
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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 as version 3 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 V3 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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <QTime>
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#include <QDebug>
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#include <QThread>
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#include "dsp/dspcommands.h"
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#include "device/deviceapi.h"
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#include "lorademod.h"
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MESSAGE_CLASS_DEFINITION(LoRaDemod::MsgConfigureLoRaDemod, Message)
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const QString LoRaDemod::m_channelIdURI = "sdrangel.channel.lorademod";
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const QString LoRaDemod::m_channelId = "LoRaDemod";
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LoRaDemod::LoRaDemod(DeviceAPI* deviceAPI) :
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ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
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m_deviceAPI(deviceAPI),
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m_spectrumVis(SDR_RX_SCALEF)
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{
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setObjectName(m_channelId);
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m_thread = new QThread(this);
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m_basebandSink = new LoRaDemodBaseband();
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m_basebandSink->setSpectrumSink(&m_spectrumVis);
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m_basebandSink->moveToThread(m_thread);
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applySettings(m_settings, true);
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m_deviceAPI->addChannelSink(this);
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m_deviceAPI->addChannelSinkAPI(this);
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}
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LoRaDemod::~LoRaDemod()
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{
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m_deviceAPI->removeChannelSinkAPI(this);
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m_deviceAPI->removeChannelSink(this);
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delete m_basebandSink;
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delete m_thread;
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}
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void LoRaDemod::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool pO)
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{
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(void) pO;
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m_basebandSink->feed(begin, end);
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}
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void LoRaDemod::start()
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{
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qDebug() << "LoRaDemod::start";
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if (m_basebandSampleRate != 0) {
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m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
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}
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m_basebandSink->reset();
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m_thread->start();
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}
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void LoRaDemod::stop()
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{
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qDebug() << "LoRaDemod::stop";
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m_thread->exit();
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m_thread->wait();
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}
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bool LoRaDemod::handleMessage(const Message& cmd)
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{
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if (MsgConfigureLoRaDemod::match(cmd))
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{
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qDebug() << "LoRaDemod::handleMessage: MsgConfigureLoRaDemod";
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MsgConfigureLoRaDemod& cfg = (MsgConfigureLoRaDemod&) cmd;
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LoRaDemodSettings settings = cfg.getSettings();
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applySettings(settings, cfg.getForce());
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return true;
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}
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else if (DSPSignalNotification::match(cmd))
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{
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DSPSignalNotification& notif = (DSPSignalNotification&) cmd;
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m_basebandSampleRate = notif.getSampleRate();
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// Forward to the sink
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DSPSignalNotification* rep = new DSPSignalNotification(notif); // make a copy
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qDebug() << "LoRaDemod::handleMessage: DSPSignalNotification";
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m_basebandSink->getInputMessageQueue()->push(rep);
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return true;
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}
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else
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{
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return false;
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}
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}
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QByteArray LoRaDemod::serialize() const
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{
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return m_settings.serialize();
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}
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bool LoRaDemod::deserialize(const QByteArray& data)
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{
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if (m_settings.deserialize(data))
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{
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MsgConfigureLoRaDemod *msg = MsgConfigureLoRaDemod::create(m_settings, true);
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m_inputMessageQueue.push(msg);
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return true;
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}
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else
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{
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m_settings.resetToDefaults();
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MsgConfigureLoRaDemod *msg = MsgConfigureLoRaDemod::create(m_settings, true);
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m_inputMessageQueue.push(msg);
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return false;
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}
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}
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void LoRaDemod::applySettings(const LoRaDemodSettings& settings, bool force)
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{
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qDebug() << "LoRaDemod::applySettings:"
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<< " m_centerFrequency: " << settings.m_centerFrequency
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<< " m_bandwidthIndex: " << settings.m_bandwidthIndex
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<< " m_spread: " << settings.m_spread
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<< " m_rgbColor: " << settings.m_rgbColor
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<< " m_title: " << settings.m_title
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<< " force: " << force;
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LoRaDemodBaseband::MsgConfigureLoRaDemodBaseband *msg = LoRaDemodBaseband::MsgConfigureLoRaDemodBaseband::create(settings, force);
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m_basebandSink->getInputMessageQueue()->push(msg);
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m_settings = settings;
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} |