mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-14 04:11:48 -05:00
649 lines
21 KiB
C++
649 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2017 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 "SWGDeviceSettings.h"
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#include "SWGDeviceState.h"
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#include "dsp/filerecord.h"
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#include "dsp/dspcommands.h"
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#include "dsp/dspengine.h"
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#include "device/devicesourceapi.h"
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#include "device/devicesinkapi.h"
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#include "plutosdr/deviceplutosdrparams.h"
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#include "plutosdr/deviceplutosdrbox.h"
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#include "plutosdrinput.h"
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#include "plutosdrinputthread.h"
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#define PLUTOSDR_BLOCKSIZE_SAMPLES (16*1024) //complex samples per buffer (must be multiple of 64)
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MESSAGE_CLASS_DEFINITION(PlutoSDRInput::MsgConfigurePlutoSDR, Message)
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MESSAGE_CLASS_DEFINITION(PlutoSDRInput::MsgFileRecord, Message)
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MESSAGE_CLASS_DEFINITION(PlutoSDRInput::MsgStartStop, Message)
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PlutoSDRInput::PlutoSDRInput(DeviceSourceAPI *deviceAPI) :
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m_deviceAPI(deviceAPI),
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m_fileSink(0),
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m_deviceDescription("PlutoSDRInput"),
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m_running(false),
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m_plutoRxBuffer(0),
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m_plutoSDRInputThread(0)
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{
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m_deviceSampleRates.m_addaConnvRate = 0;
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m_deviceSampleRates.m_bbRateHz = 0;
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m_deviceSampleRates.m_firRate = 0;
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m_deviceSampleRates.m_hb1Rate = 0;
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m_deviceSampleRates.m_hb2Rate = 0;
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m_deviceSampleRates.m_hb3Rate = 0;
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suspendBuddies();
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openDevice();
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resumeBuddies();
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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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}
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PlutoSDRInput::~PlutoSDRInput()
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{
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m_deviceAPI->removeSink(m_fileSink);
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delete m_fileSink;
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suspendBuddies();
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closeDevice();
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resumeBuddies();
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}
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void PlutoSDRInput::destroy()
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{
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delete this;
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}
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void PlutoSDRInput::init()
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{
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applySettings(m_settings, true);
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}
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bool PlutoSDRInput::start()
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{
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if (!m_deviceShared.m_deviceParams->getBox()) {
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return false;
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}
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if (m_running) stop();
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// start / stop streaming is done in the thread.
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m_plutoSDRInputThread = new PlutoSDRInputThread(PLUTOSDR_BLOCKSIZE_SAMPLES, m_deviceShared.m_deviceParams->getBox(), &m_sampleFifo);
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qDebug("PlutoSDRInput::start: thread created");
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applySettings(m_settings, true);
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m_plutoSDRInputThread->setLog2Decimation(m_settings.m_log2Decim);
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m_plutoSDRInputThread->startWork();
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m_deviceShared.m_thread = m_plutoSDRInputThread;
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m_running = true;
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return true;
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}
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void PlutoSDRInput::stop()
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{
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if (m_plutoSDRInputThread != 0)
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{
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m_plutoSDRInputThread->stopWork();
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delete m_plutoSDRInputThread;
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m_plutoSDRInputThread = 0;
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}
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m_deviceShared.m_thread = 0;
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m_running = false;
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}
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QByteArray PlutoSDRInput::serialize() const
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{
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return m_settings.serialize();
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}
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bool PlutoSDRInput::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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MsgConfigurePlutoSDR* message = MsgConfigurePlutoSDR::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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MsgConfigurePlutoSDR* messageToGUI = MsgConfigurePlutoSDR::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& PlutoSDRInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int PlutoSDRInput::getSampleRate() const
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{
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return (m_settings.m_devSampleRate / (1<<m_settings.m_log2Decim));
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}
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quint64 PlutoSDRInput::getCenterFrequency() const
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{
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return m_settings.m_centerFrequency;
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}
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void PlutoSDRInput::setCenterFrequency(qint64 centerFrequency)
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{
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PlutoSDRInputSettings settings = m_settings;
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settings.m_centerFrequency = centerFrequency;
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MsgConfigurePlutoSDR* message = MsgConfigurePlutoSDR::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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MsgConfigurePlutoSDR* messageToGUI = MsgConfigurePlutoSDR::create(settings, false);
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m_guiMessageQueue->push(messageToGUI);
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}
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}
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bool PlutoSDRInput::handleMessage(const Message& message)
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{
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if (MsgConfigurePlutoSDR::match(message))
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{
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MsgConfigurePlutoSDR& conf = (MsgConfigurePlutoSDR&) message;
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qDebug() << "PlutoSDRInput::handleMessage: MsgConfigurePlutoSDR";
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if (!applySettings(conf.getSettings(), conf.getForce()))
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{
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qDebug("PlutoSDRInput::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() << "PlutoSDRInput::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() << "PlutoSDRInput::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 if (DevicePlutoSDRShared::MsgCrossReportToBuddy::match(message)) // message from buddy
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{
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DevicePlutoSDRShared::MsgCrossReportToBuddy& conf = (DevicePlutoSDRShared::MsgCrossReportToBuddy&) message;
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m_settings.m_devSampleRate = conf.getDevSampleRate();
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m_settings.m_lpfFIRlog2Decim = conf.getLpfFiRlog2IntDec();
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m_settings.m_lpfFIRBW = conf.getLpfFirbw();
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m_settings.m_LOppmTenths = conf.getLoPPMTenths();
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PlutoSDRInputSettings newSettings = m_settings;
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newSettings.m_lpfFIREnable = conf.isLpfFirEnable();
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applySettings(newSettings);
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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 PlutoSDRInput::openDevice()
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{
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if (!m_sampleFifo.setSize(PLUTOSDR_BLOCKSIZE_SAMPLES))
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{
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qCritical("PlutoSDRInput::openDevice: could not allocate SampleFifo");
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return false;
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}
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else
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{
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qDebug("PlutoSDRInput::openDevice: allocated SampleFifo");
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}
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// look for Tx buddy and get reference to common parameters
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if (m_deviceAPI->getSinkBuddies().size() > 0) // then sink
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{
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qDebug("PlutoSDRInput::openDevice: look at Tx buddy");
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DeviceSinkAPI *sinkBuddy = m_deviceAPI->getSinkBuddies()[0];
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DevicePlutoSDRShared* buddySharedPtr = (DevicePlutoSDRShared*) sinkBuddy->getBuddySharedPtr();
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m_deviceShared.m_deviceParams = buddySharedPtr->m_deviceParams;
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if (m_deviceShared.m_deviceParams == 0)
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{
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qCritical("PlutoSDRInput::openDevice: cannot get device parameters from Tx buddy");
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return false; // the device params should have been created by the buddy
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}
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else
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{
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qDebug("PlutoSDRInput::openDevice: getting device parameters from Tx buddy");
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}
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}
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// There is no buddy then create the first PlutoSDR common parameters
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// open the device this will also populate common fields
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else
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{
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qDebug("PlutoSDRInput::openDevice: open device here");
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m_deviceShared.m_deviceParams = new DevicePlutoSDRParams();
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char serial[256];
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strcpy(serial, qPrintable(m_deviceAPI->getSampleSourceSerial()));
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m_deviceShared.m_deviceParams->open(serial);
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}
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m_deviceAPI->setBuddySharedPtr(&m_deviceShared); // propagate common parameters to API
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// acquire the channel
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DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
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plutoBox->openRx();
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m_plutoRxBuffer = plutoBox->createRxBuffer(PLUTOSDR_BLOCKSIZE_SAMPLES, false);
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return true;
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}
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void PlutoSDRInput::closeDevice()
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{
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if (m_deviceShared.m_deviceParams->getBox() == 0) { // was never open
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return;
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}
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if (m_deviceAPI->getSinkBuddies().size() == 0)
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{
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m_deviceShared.m_deviceParams->close();
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delete m_deviceShared.m_deviceParams;
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m_deviceShared.m_deviceParams = 0;
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}
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}
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void PlutoSDRInput::suspendBuddies()
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{
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// suspend Tx buddy's thread
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for (unsigned int i = 0; i < m_deviceAPI->getSinkBuddies().size(); i++)
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{
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DeviceSinkAPI *buddy = m_deviceAPI->getSinkBuddies()[i];
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DevicePlutoSDRShared *buddyShared = (DevicePlutoSDRShared *) buddy->getBuddySharedPtr();
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if (buddyShared->m_thread) {
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buddyShared->m_thread->stopWork();
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}
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}
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}
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void PlutoSDRInput::resumeBuddies()
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{
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// resume Tx buddy's thread
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for (unsigned int i = 0; i < m_deviceAPI->getSinkBuddies().size(); i++)
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{
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DeviceSinkAPI *buddy = m_deviceAPI->getSinkBuddies()[i];
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DevicePlutoSDRShared *buddyShared = (DevicePlutoSDRShared *) buddy->getBuddySharedPtr();
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if (buddyShared->m_thread) {
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buddyShared->m_thread->startWork();
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}
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}
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}
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bool PlutoSDRInput::applySettings(const PlutoSDRInputSettings& settings, bool force)
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{
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bool forwardChangeOwnDSP = false;
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bool forwardChangeOtherDSP = false;
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bool ownThreadWasRunning = false;
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bool suspendAllOtherThreads = false; // All others means Tx in fact
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DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
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// determine if buddies threads or own thread need to be suspended
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// changes affecting all buddies can occur if
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// - device to host sample rate is changed
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// - FIR filter is enabled or disabled
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// - FIR filter is changed
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// - LO correction is changed
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if ((m_settings.m_devSampleRate != settings.m_devSampleRate) ||
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(m_settings.m_lpfFIREnable != settings.m_lpfFIREnable) ||
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(m_settings.m_lpfFIRlog2Decim != settings.m_lpfFIRlog2Decim) ||
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(settings.m_lpfFIRBW != m_settings.m_lpfFIRBW) ||
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(settings.m_lpfFIRGain != m_settings.m_lpfFIRGain) ||
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(m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force)
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{
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suspendAllOtherThreads = true;
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}
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if (suspendAllOtherThreads)
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{
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const std::vector<DeviceSinkAPI*>& sinkBuddies = m_deviceAPI->getSinkBuddies();
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std::vector<DeviceSinkAPI*>::const_iterator itSink = sinkBuddies.begin();
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for (; itSink != sinkBuddies.end(); ++itSink)
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{
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DevicePlutoSDRShared *buddySharedPtr = (DevicePlutoSDRShared *) (*itSink)->getBuddySharedPtr();
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if (buddySharedPtr->m_thread) {
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buddySharedPtr->m_thread->stopWork();
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buddySharedPtr->m_threadWasRunning = true;
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}
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else
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{
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buddySharedPtr->m_threadWasRunning = false;
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}
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}
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}
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if (m_plutoSDRInputThread && m_plutoSDRInputThread->isRunning())
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{
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m_plutoSDRInputThread->stopWork();
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ownThreadWasRunning = true;
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}
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// apply settings
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if ((m_settings.m_dcBlock != settings.m_dcBlock) ||
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(m_settings.m_iqCorrection != settings.m_iqCorrection) || force)
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{
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m_deviceAPI->configureCorrections(settings.m_dcBlock, m_settings.m_iqCorrection);
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}
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// Change affecting device sample rate chain and other buddies
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if ((m_settings.m_devSampleRate != settings.m_devSampleRate) ||
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(m_settings.m_lpfFIREnable != settings.m_lpfFIREnable) ||
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(m_settings.m_lpfFIRlog2Decim != settings.m_lpfFIRlog2Decim) ||
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(settings.m_lpfFIRBW != m_settings.m_lpfFIRBW) ||
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(settings.m_lpfFIRGain != m_settings.m_lpfFIRGain) || force)
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{
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plutoBox->setFIR(settings.m_devSampleRate, settings.m_lpfFIRlog2Decim, DevicePlutoSDRBox::USE_RX, settings.m_lpfFIRBW, settings.m_lpfFIRGain);
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plutoBox->setFIREnable(settings.m_lpfFIREnable); // eventually enable/disable FIR
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plutoBox->setSampleRate(settings.m_devSampleRate); // and set end point sample rate
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plutoBox->getRxSampleRates(m_deviceSampleRates); // pick up possible new rates
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qDebug() << "PlutoSDRInput::applySettings: BBPLL(Hz): " << m_deviceSampleRates.m_bbRateHz
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<< " ADC: " << m_deviceSampleRates.m_addaConnvRate
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<< " -HB3-> " << m_deviceSampleRates.m_hb3Rate
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<< " -HB2-> " << m_deviceSampleRates.m_hb2Rate
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<< " -HB1-> " << m_deviceSampleRates.m_hb1Rate
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<< " -FIR-> " << m_deviceSampleRates.m_firRate;
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forwardChangeOtherDSP = true;
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forwardChangeOwnDSP = (m_settings.m_devSampleRate != settings.m_devSampleRate) || force;
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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_plutoSDRInputThread != 0)
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{
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m_plutoSDRInputThread->setLog2Decimation(settings.m_log2Decim);
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qDebug() << "PlutoSDRInput::applySettings: set soft decimation to " << (1<<settings.m_log2Decim);
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}
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forwardChangeOwnDSP = true;
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}
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if ((m_settings.m_LOppmTenths != settings.m_LOppmTenths) || force)
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{
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plutoBox->setLOPPMTenths(settings.m_LOppmTenths);
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forwardChangeOtherDSP = true;
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}
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std::vector<std::string> params;
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bool paramsToSet = false;
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if ((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_log2Decim != settings.m_log2Decim)
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|| (m_settings.m_transverterMode != settings.m_transverterMode)
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|| (m_settings.m_transverterDeltaFrequency != settings.m_transverterDeltaFrequency) || force)
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{
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qint64 deviceCenterFrequency = settings.m_centerFrequency;
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deviceCenterFrequency -= settings.m_transverterMode ? settings.m_transverterDeltaFrequency : 0;
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qint64 f_img = deviceCenterFrequency;
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quint32 devSampleRate = settings.m_devSampleRate;
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if ((settings.m_log2Decim == 0) || (settings.m_fcPos == PlutoSDRInputSettings::FC_POS_CENTER))
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{
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f_img = deviceCenterFrequency;
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}
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else
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{
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if (settings.m_fcPos == PlutoSDRInputSettings::FC_POS_INFRA)
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{
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deviceCenterFrequency += (devSampleRate / 4);
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f_img = deviceCenterFrequency + devSampleRate/2;
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}
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else if (settings.m_fcPos == PlutoSDRInputSettings::FC_POS_SUPRA)
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{
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deviceCenterFrequency -= (devSampleRate / 4);
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f_img = deviceCenterFrequency - devSampleRate/2;
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}
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}
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deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
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if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)
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|| (m_settings.m_transverterMode != settings.m_transverterMode)
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|| (m_settings.m_transverterDeltaFrequency != settings.m_transverterDeltaFrequency))
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{
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params.push_back(QString(tr("out_altvoltage0_RX_LO_frequency=%1").arg(deviceCenterFrequency)).toStdString());
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paramsToSet = true;
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forwardChangeOwnDSP = true;
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}
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if ((m_settings.m_fcPos != settings.m_fcPos) || force)
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{
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if (m_plutoSDRInputThread != 0)
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{
|
|
m_plutoSDRInputThread->setFcPos(settings.m_fcPos);
|
|
qDebug() << "PlutoSDRInput::applySettings: set fcPos to " << settings.m_fcPos;
|
|
}
|
|
}
|
|
|
|
qDebug() << "PlutoSDRInput::applySettings: center freq: " << settings.m_centerFrequency << " Hz"
|
|
<< " device center freq: " << deviceCenterFrequency << " Hz"
|
|
<< " device sample rate: " << devSampleRate << "S/s"
|
|
<< " Actual sample rate: " << devSampleRate/(1<<settings.m_log2Decim) << "S/s"
|
|
<< " img: " << f_img << "Hz";
|
|
}
|
|
|
|
if ((m_settings.m_lpfBW != settings.m_lpfBW) || force)
|
|
{
|
|
params.push_back(QString(tr("in_voltage_rf_bandwidth=%1").arg(settings.m_lpfBW)).toStdString());
|
|
paramsToSet = true;
|
|
}
|
|
|
|
if ((m_settings.m_antennaPath != settings.m_antennaPath) || force)
|
|
{
|
|
QString rfPortStr;
|
|
PlutoSDRInputSettings::translateRFPath(settings.m_antennaPath, rfPortStr);
|
|
params.push_back(QString(tr("in_voltage0_rf_port_select=%1").arg(rfPortStr)).toStdString());
|
|
paramsToSet = true;
|
|
}
|
|
|
|
if ((m_settings.m_gainMode != settings.m_gainMode) || force)
|
|
{
|
|
QString gainModeStr;
|
|
PlutoSDRInputSettings::translateGainMode(settings.m_gainMode, gainModeStr);
|
|
params.push_back(QString(tr("in_voltage0_gain_control_mode=%1").arg(gainModeStr)).toStdString());
|
|
paramsToSet = true;
|
|
}
|
|
|
|
if ((m_settings.m_gain != settings.m_gain) || force)
|
|
{
|
|
params.push_back(QString(tr("in_voltage0_hardwaregain=%1").arg(settings.m_gain)).toStdString());
|
|
paramsToSet = true;
|
|
}
|
|
|
|
if (paramsToSet)
|
|
{
|
|
plutoBox->set_params(DevicePlutoSDRBox::DEVICE_PHY, params);
|
|
}
|
|
|
|
m_settings = settings;
|
|
|
|
if (suspendAllOtherThreads)
|
|
{
|
|
const std::vector<DeviceSinkAPI*>& sinkBuddies = m_deviceAPI->getSinkBuddies();
|
|
std::vector<DeviceSinkAPI*>::const_iterator itSink = sinkBuddies.begin();
|
|
|
|
for (; itSink != sinkBuddies.end(); ++itSink)
|
|
{
|
|
DevicePlutoSDRShared *buddySharedPtr = (DevicePlutoSDRShared *) (*itSink)->getBuddySharedPtr();
|
|
|
|
if (buddySharedPtr->m_threadWasRunning) {
|
|
buddySharedPtr->m_thread->startWork();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ownThreadWasRunning) {
|
|
m_plutoSDRInputThread->startWork();
|
|
}
|
|
|
|
// TODO: forward changes to other (Tx) DSP
|
|
if (forwardChangeOtherDSP)
|
|
{
|
|
|
|
qDebug("PlutoSDRInput::applySettings: forwardChangeOtherDSP");
|
|
|
|
const std::vector<DeviceSinkAPI*>& sinkBuddies = m_deviceAPI->getSinkBuddies();
|
|
std::vector<DeviceSinkAPI*>::const_iterator itSink = sinkBuddies.begin();
|
|
|
|
for (; itSink != sinkBuddies.end(); ++itSink)
|
|
{
|
|
DevicePlutoSDRShared::MsgCrossReportToBuddy *msg = DevicePlutoSDRShared::MsgCrossReportToBuddy::create(
|
|
settings.m_devSampleRate,
|
|
settings.m_lpfFIREnable,
|
|
settings.m_lpfFIRlog2Decim,
|
|
settings.m_lpfFIRBW,
|
|
settings.m_LOppmTenths);
|
|
|
|
if ((*itSink)->getSampleSinkGUIMessageQueue())
|
|
{
|
|
DevicePlutoSDRShared::MsgCrossReportToBuddy *msgToGUI = new DevicePlutoSDRShared::MsgCrossReportToBuddy(*msg);
|
|
(*itSink)->getSampleSinkGUIMessageQueue()->push(msgToGUI);
|
|
}
|
|
|
|
(*itSink)->getSampleSinkInputMessageQueue()->push(msg);
|
|
}
|
|
}
|
|
|
|
if (forwardChangeOwnDSP)
|
|
{
|
|
qDebug("PlutoSDRInput::applySettings: forward change to self");
|
|
|
|
int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Decim);
|
|
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
|
|
m_fileSink->handleMessage(*notif); // forward to file sink
|
|
m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void PlutoSDRInput::getRSSI(std::string& rssiStr)
|
|
{
|
|
DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
|
|
|
|
if (!plutoBox->getRxRSSI(rssiStr, 0)) {
|
|
rssiStr = "xxx dB";
|
|
}
|
|
}
|
|
|
|
void PlutoSDRInput::getGain(int& gaindB)
|
|
{
|
|
DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
|
|
|
|
if (!plutoBox->getRxGain(gaindB, 0)) {
|
|
gaindB = 0;
|
|
}
|
|
}
|
|
|
|
bool PlutoSDRInput::fetchTemperature()
|
|
{
|
|
DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
|
|
return plutoBox->fetchTemp();
|
|
}
|
|
|
|
float PlutoSDRInput::getTemperature()
|
|
{
|
|
DevicePlutoSDRBox *plutoBox = m_deviceShared.m_deviceParams->getBox();
|
|
return plutoBox->getTemp();
|
|
}
|
|
|
|
int PlutoSDRInput::webapiRunGet(
|
|
SWGSDRangel::SWGDeviceState& response,
|
|
QString& errorMessage __attribute__((unused)))
|
|
{
|
|
m_deviceAPI->getDeviceEngineStateStr(*response.getState());
|
|
return 200;
|
|
}
|
|
|
|
int PlutoSDRInput::webapiRun(
|
|
bool run,
|
|
SWGSDRangel::SWGDeviceState& response,
|
|
QString& errorMessage __attribute__((unused)))
|
|
{
|
|
m_deviceAPI->getDeviceEngineStateStr(*response.getState());
|
|
MsgStartStop *message = MsgStartStop::create(run);
|
|
m_inputMessageQueue.push(message);
|
|
|
|
if (m_guiMessageQueue) // forward to GUI if any
|
|
{
|
|
MsgStartStop *msgToGUI = MsgStartStop::create(run);
|
|
m_guiMessageQueue->push(msgToGUI);
|
|
}
|
|
|
|
return 200;
|
|
}
|
|
|