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TestSource: first implementation
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f4exb
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 Edouard Griffiths, F4EXB //
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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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// //
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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 <QDebug>
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#include <string.h>
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#include <errno.h>
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#include "SWGDeviceSettings.h"
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#include "SWGDeviceState.h"
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#include "testsourceinput.h"
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#include "device/devicesourceapi.h"
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#include "testsourcethread.h"
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#include "dsp/dspcommands.h"
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#include "dsp/dspengine.h"
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#include "dsp/filerecord.h"
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MESSAGE_CLASS_DEFINITION(TestSourceInput::MsgConfigureTestSource, Message)
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MESSAGE_CLASS_DEFINITION(TestSourceInput::MsgFileRecord, Message)
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MESSAGE_CLASS_DEFINITION(TestSourceInput::MsgStartStop, Message)
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TestSourceInput::TestSourceInput(DeviceSourceAPI *deviceAPI) :
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m_deviceAPI(deviceAPI),
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m_settings(),
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m_testSourceThread(0),
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m_deviceDescription(),
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m_running(false),
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m_masterTimer(deviceAPI->getMasterTimer())
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{
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char recFileNameCStr[30];
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sprintf(recFileNameCStr, "test_%d.sdriq", m_deviceAPI->getDeviceUID());
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m_fileSink = new FileRecord(std::string(recFileNameCStr));
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m_deviceAPI->addSink(m_fileSink);
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if (!m_sampleFifo.setSize(96000 * 4)) {
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qCritical("TestSourceInput::TestSourceInput: Could not allocate SampleFifo");
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}
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}
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TestSourceInput::~TestSourceInput()
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{
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if (m_running) { stop(); }
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m_deviceAPI->removeSink(m_fileSink);
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delete m_fileSink;
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}
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void TestSourceInput::destroy()
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{
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delete this;
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}
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void TestSourceInput::init()
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{
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applySettings(m_settings, true);
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}
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bool TestSourceInput::start()
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{
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QMutexLocker mutexLocker(&m_mutex);
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if (m_running) stop();
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if ((m_testSourceThread = new TestSourceThread(&m_sampleFifo)) == 0)
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{
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qFatal("TestSourceInput::start: out of memory");
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stop();
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return false;
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}
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m_testSourceThread->setSamplerate(m_settings.m_sampleRate);
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m_testSourceThread->connectTimer(m_masterTimer);
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m_testSourceThread->startWork();
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mutexLocker.unlock();
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applySettings(m_settings, true);
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m_running = true;
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return true;
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}
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void TestSourceInput::stop()
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{
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QMutexLocker mutexLocker(&m_mutex);
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if (m_testSourceThread != 0)
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{
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m_testSourceThread->stopWork();
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delete m_testSourceThread;
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m_testSourceThread = 0;
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}
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m_running = false;
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}
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QByteArray TestSourceInput::serialize() const
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{
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return m_settings.serialize();
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}
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bool TestSourceInput::deserialize(const QByteArray& data)
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{
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bool success = true;
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if (!m_settings.deserialize(data))
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{
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m_settings.resetToDefaults();
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success = false;
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}
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MsgConfigureTestSource* message = MsgConfigureTestSource::create(m_settings, true);
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m_inputMessageQueue.push(message);
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if (m_guiMessageQueue)
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{
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MsgConfigureTestSource* messageToGUI = MsgConfigureTestSource::create(m_settings, true);
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m_guiMessageQueue->push(messageToGUI);
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}
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return success;
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}
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const QString& TestSourceInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int TestSourceInput::getSampleRate() const
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{
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return m_settings.m_sampleRate;
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}
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quint64 TestSourceInput::getCenterFrequency() const
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{
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return m_settings.m_centerFrequency;
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}
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void TestSourceInput::setCenterFrequency(qint64 centerFrequency)
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{
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TestSourceSettings settings = m_settings;
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settings.m_centerFrequency = centerFrequency;
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MsgConfigureTestSource* message = MsgConfigureTestSource::create(settings, false);
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m_inputMessageQueue.push(message);
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if (m_guiMessageQueue)
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{
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MsgConfigureTestSource* messageToGUI = MsgConfigureTestSource::create(settings, false);
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m_guiMessageQueue->push(messageToGUI);
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}
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}
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bool TestSourceInput::handleMessage(const Message& message)
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{
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if (MsgConfigureTestSource::match(message))
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{
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MsgConfigureTestSource& conf = (MsgConfigureTestSource&) message;
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qDebug() << "TestSourceInput::handleMessage: MsgConfigureTestSource";
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bool success = applySettings(conf.getSettings(), conf.getForce());
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if (!success)
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{
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qDebug("TestSourceInput::handleMessage: config error");
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}
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return true;
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}
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else if (MsgFileRecord::match(message))
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{
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MsgFileRecord& conf = (MsgFileRecord&) message;
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qDebug() << "RTLSDRInput::handleMessage: MsgFileRecord: " << conf.getStartStop();
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if (conf.getStartStop()) {
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m_fileSink->startRecording();
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} else {
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m_fileSink->stopRecording();
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}
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return true;
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}
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else if (MsgStartStop::match(message))
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{
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MsgStartStop& cmd = (MsgStartStop&) message;
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qDebug() << "RTLSDRInput::handleMessage: MsgStartStop: " << (cmd.getStartStop() ? "start" : "stop");
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if (cmd.getStartStop())
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{
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if (m_deviceAPI->initAcquisition())
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{
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m_deviceAPI->startAcquisition();
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DSPEngine::instance()->startAudioOutput();
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}
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}
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else
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{
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m_deviceAPI->stopAcquisition();
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DSPEngine::instance()->stopAudioOutput();
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}
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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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bool TestSourceInput::applySettings(const TestSourceSettings& settings, bool force)
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{
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if ((m_settings.m_sampleRate != settings.m_sampleRate) || force)
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{
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if (m_testSourceThread != 0)
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{
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m_testSourceThread->setSamplerate(settings.m_sampleRate);
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qDebug("TestSourceInput::applySettings: sample rate set to %d", settings.m_sampleRate);
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}
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}
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if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
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{
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if (m_testSourceThread != 0)
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{
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m_testSourceThread->setLog2Decimation(settings.m_log2Decim);
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qDebug() << "TestSourceInput::applySettings: set decimation to " << (1<<settings.m_log2Decim);
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}
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}
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if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)
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|| (m_settings.m_fcPos != settings.m_fcPos)
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|| (m_settings.m_frequencyShift != settings.m_frequencyShift))
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{
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qint64 deviceCenterFrequency = settings.m_centerFrequency;
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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qint64 f_img = 0;
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quint32 devSampleRate = settings.m_sampleRate;
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if ((settings.m_log2Decim == 0) || (settings.m_fcPos == TestSourceSettings::FC_POS_CENTER))
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{
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f_img = 0;
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}
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else
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{
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if (settings.m_fcPos == TestSourceSettings::FC_POS_INFRA)
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{
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deviceCenterFrequency += (devSampleRate / 4);
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f_img = devSampleRate/2;
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}
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else if (settings.m_fcPos == TestSourceSettings::FC_POS_SUPRA)
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{
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deviceCenterFrequency -= (devSampleRate / 4);
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f_img = devSampleRate/2;
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}
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}
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if (m_testSourceThread != 0)
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{
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m_testSourceThread->setFcPos((int) settings.m_fcPos);
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m_testSourceThread->setFrequencyShift(f_img + settings.m_frequencyShift);
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qDebug() << "TestSourceInput::applySettings: center freq: " << settings.m_centerFrequency << " Hz"
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<< " device center freq: " << deviceCenterFrequency << " Hz"
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<< " device sample rate: " << devSampleRate << "Hz"
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<< " Actual sample rate: " << devSampleRate/(1<<m_settings.m_log2Decim) << "Hz"
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<< " fc shift: " << f_img << "Hz"
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<< " f shift: " << settings.m_frequencyShift;
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}
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}
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if ((m_settings.m_amplitudeBits != settings.m_amplitudeBits) || force)
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{
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if (m_testSourceThread != 0) {
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m_testSourceThread->setAmplitudeBits(settings.m_amplitudeBits);
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}
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}
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if ((m_settings.m_sampleSizeIndex != settings.m_sampleSizeIndex) || force)
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{
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if (m_testSourceThread != 0) {
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m_testSourceThread->setBitSize(settings.m_sampleSizeIndex);
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}
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}
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if ((m_settings.m_sampleRate != settings.m_sampleRate)
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|| (m_settings.m_centerFrequency != settings.m_centerFrequency)
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|| (m_settings.m_log2Decim != settings.m_log2Decim)
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|| (m_settings.m_fcPos != settings.m_fcPos) || force)
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{
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int sampleRate = settings.m_sampleRate/(1<<settings.m_log2Decim);
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DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, settings.m_centerFrequency);
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m_fileSink->handleMessage(*notif); // forward to file sink
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m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
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}
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m_settings = settings;
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return true;
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}
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int TestSourceInput::webapiRunGet(
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SWGSDRangel::SWGDeviceState& response,
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QString& errorMessage __attribute__((unused)))
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{
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m_deviceAPI->getDeviceEngineStateStr(*response.getState());
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return 200;
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}
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int TestSourceInput::webapiRun(
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bool run,
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SWGSDRangel::SWGDeviceState& response,
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QString& errorMessage __attribute__((unused)))
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{
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m_deviceAPI->getDeviceEngineStateStr(*response.getState());
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MsgStartStop *message = MsgStartStop::create(run);
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m_inputMessageQueue.push(message);
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if (m_guiMessageQueue) // forward to GUI if any
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{
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MsgStartStop *msgToGUI = MsgStartStop::create(run);
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m_guiMessageQueue->push(msgToGUI);
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}
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return 200;
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}
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