mirror of
https://github.com/f4exb/sdrangel.git
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384 lines
11 KiB
C++
384 lines
11 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 "hackrfoutput.h"
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#include <string.h>
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#include <errno.h>
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#include <QDebug>
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#include "util/simpleserializer.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 "hackrf/devicehackrfshared.h"
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#include "hackrfoutputgui.h"
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#include "hackrfoutputthread.h"
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MESSAGE_CLASS_DEFINITION(HackRFOutput::MsgConfigureHackRF, Message)
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MESSAGE_CLASS_DEFINITION(HackRFOutput::MsgReportHackRF, Message)
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HackRFOutput::HackRFOutput(DeviceSinkAPI *deviceAPI) :
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m_deviceAPI(deviceAPI),
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m_settings(),
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m_dev(0),
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m_hackRFThread(0),
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m_deviceDescription("HackRFOutput"),
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m_running(false)
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{
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openDevice();
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m_deviceAPI->setBuddySharedPtr(&m_sharedParams);
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}
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HackRFOutput::~HackRFOutput()
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{
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if (m_running) stop();
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closeDevice();
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m_deviceAPI->setBuddySharedPtr(0);
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}
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bool HackRFOutput::openDevice()
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{
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if (m_dev != 0)
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{
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closeDevice();
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}
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m_sampleSourceFifo.resize(m_settings.m_devSampleRate/(1<<(m_settings.m_log2Interp <= 4 ? m_settings.m_log2Interp : 4)));
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if (m_deviceAPI->getSourceBuddies().size() > 0)
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{
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DeviceSourceAPI *buddy = m_deviceAPI->getSourceBuddies()[0];
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DeviceHackRFParams *buddySharedParams = (DeviceHackRFParams *) buddy->getBuddySharedPtr();
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if (buddySharedParams == 0)
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{
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qCritical("HackRFOutput::openDevice: could not get shared parameters from buddy");
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return false;
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}
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if ((m_dev = buddySharedParams->m_dev) == 0) // device is not opened by buddy
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{
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qCritical("HackRFOutput::openDevice: could not get HackRF handle from buddy");
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return false;
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}
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m_sharedParams = *(buddySharedParams); // copy parameters from buddy
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m_sharedParams.m_dev = m_dev;
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}
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else
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{
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if ((m_dev = DeviceHackRF::open_hackrf(qPrintable(m_deviceAPI->getSampleSinkSerial()))) == 0)
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{
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qCritical("HackRFOutput::openDevice: could not open HackRF %s", qPrintable(m_deviceAPI->getSampleSinkSerial()));
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return false;
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}
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m_sharedParams.m_dev = m_dev;
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}
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return true;
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}
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bool HackRFOutput::start()
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{
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if (!m_dev) {
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return false;
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}
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if (m_running) stop();
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if((m_hackRFThread = new HackRFOutputThread(m_dev, &m_sampleSourceFifo)) == 0)
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{
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qFatal("HackRFOutput::start: out of memory");
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stop();
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return false;
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}
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// mutexLocker.unlock();
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applySettings(m_settings, true);
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m_hackRFThread->setLog2Interpolation(m_settings.m_log2Interp);
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m_hackRFThread->startWork();
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qDebug("HackRFOutput::start: started");
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m_running = true;
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return true;
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}
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void HackRFOutput::closeDevice()
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{
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if (m_deviceAPI->getSourceBuddies().size() == 0)
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{
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qDebug("HackRFOutput::closeDevice: closing device since Rx side is not open");
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if(m_dev != 0) // close HackRF
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{
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hackrf_close(m_dev);
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//hackrf_exit(); // TODO: this may not work if several HackRF Devices are running concurrently. It should be handled globally in the application
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}
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}
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m_sharedParams.m_dev = 0;
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m_dev = 0;
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}
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void HackRFOutput::stop()
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{
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qDebug("HackRFOutput::stop");
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// QMutexLocker mutexLocker(&m_mutex);
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if(m_hackRFThread != 0)
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{
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m_hackRFThread->stopWork();
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delete m_hackRFThread;
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m_hackRFThread = 0;
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}
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m_running = false;
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}
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const QString& HackRFOutput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int HackRFOutput::getSampleRate() const
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{
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int rate = m_settings.m_devSampleRate;
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return (rate / (1<<m_settings.m_log2Interp));
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}
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quint64 HackRFOutput::getCenterFrequency() const
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{
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return m_settings.m_centerFrequency;
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}
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bool HackRFOutput::handleMessage(const Message& message)
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{
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if (MsgConfigureHackRF::match(message))
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{
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MsgConfigureHackRF& conf = (MsgConfigureHackRF&) message;
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qDebug() << "HackRFOutput::handleMessage: MsgConfigureHackRF";
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bool success = applySettings(conf.getSettings(), false);
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if (!success)
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{
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qDebug("HackRFOutput::handleMessage: config error");
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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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void HackRFOutput::setCenterFrequency(quint64 freq_hz, qint32 LOppmTenths)
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{
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qint64 df = ((qint64)freq_hz * LOppmTenths) / 10000000LL;
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freq_hz += df;
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hackrf_error rc = (hackrf_error) hackrf_set_freq(m_dev, static_cast<uint64_t>(freq_hz));
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if (rc != HACKRF_SUCCESS)
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{
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qWarning("HackRFOutput::setCenterFrequency: could not frequency to %llu Hz", freq_hz);
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}
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else
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{
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qWarning("HackRFOutput::setCenterFrequency: frequency set to %llu Hz", freq_hz);
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}
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}
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bool HackRFOutput::applySettings(const HackRFOutputSettings& settings, bool force)
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{
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// QMutexLocker mutexLocker(&m_mutex);
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bool forwardChange = false;
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bool suspendThread = false;
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bool threadWasRunning = false;
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hackrf_error rc;
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qDebug() << "HackRFOutput::applySettings";
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if ((m_settings.m_devSampleRate != settings.m_devSampleRate) ||
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(m_settings.m_log2Interp != settings.m_log2Interp) || force)
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{
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suspendThread = true;
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}
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if (suspendThread)
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{
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if (m_hackRFThread)
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{
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if (m_hackRFThread->isRunning())
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{
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m_hackRFThread->stopWork();
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threadWasRunning = true;
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}
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}
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}
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if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || (m_settings.m_log2Interp != settings.m_log2Interp) || force)
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{
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forwardChange = true;
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int fifoSize = std::max(
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(int) ((settings.m_devSampleRate/(1<<settings.m_log2Interp)) * DeviceHackRFShared::m_sampleFifoLengthInSeconds),
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DeviceHackRFShared::m_sampleFifoMinSize);
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m_sampleSourceFifo.resize(fifoSize);
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}
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if ((m_settings.m_devSampleRate != settings.m_devSampleRate) || force)
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{
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_sample_rate_manual(m_dev, settings.m_devSampleRate, 1);
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if (rc != HACKRF_SUCCESS)
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{
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qCritical("HackRFOutput::applySettings: could not set sample rate to %llu S/s: %s",
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settings.m_devSampleRate,
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hackrf_error_name(rc));
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}
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else
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{
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qDebug("HackRFOutput::applySettings: sample rate set to %llu S/s",
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settings.m_devSampleRate);
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}
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}
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}
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if ((m_settings.m_log2Interp != settings.m_log2Interp) || force)
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{
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if (m_hackRFThread != 0)
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{
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m_hackRFThread->setLog2Interpolation(settings.m_log2Interp);
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qDebug() << "HackRFOutput: set interpolation to " << (1<<settings.m_log2Interp);
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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_LOppmTenths != settings.m_LOppmTenths))
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{
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if (m_dev != 0)
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{
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setCenterFrequency(settings.m_centerFrequency, settings.m_LOppmTenths);
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qDebug() << "HackRFOutput::applySettings: center freq: " << settings.m_centerFrequency << " Hz LOppm: " << settings.m_LOppmTenths;
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}
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forwardChange = true;
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}
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if ((m_settings.m_vgaGain != settings.m_vgaGain) || force)
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{
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_txvga_gain(m_dev, settings.m_vgaGain);
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if(rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFOutput::applySettings: hackrf_set_txvga_gain failed: %s", hackrf_error_name(rc));
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}
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else
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{
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qDebug() << "HackRFOutput:applySettings: TxVGA gain set to " << settings.m_vgaGain;
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}
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}
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}
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if ((m_settings.m_bandwidth != settings.m_bandwidth) || force)
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{
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if (m_dev != 0)
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{
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uint32_t bw_index = hackrf_compute_baseband_filter_bw_round_down_lt(settings.m_bandwidth + 1); // +1 so the round down to lower than yields desired bandwidth
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rc = (hackrf_error) hackrf_set_baseband_filter_bandwidth(m_dev, bw_index);
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if (rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFInput::applySettings: hackrf_set_baseband_filter_bandwidth failed: %s", hackrf_error_name(rc));
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}
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else
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{
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qDebug() << "HackRFInput:applySettings: Baseband BW filter set to " << settings.m_bandwidth << " Hz";
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}
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}
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}
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if ((m_settings.m_biasT != settings.m_biasT) || force)
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{
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_antenna_enable(m_dev, (settings.m_biasT ? 1 : 0));
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if(rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFInput::applySettings: hackrf_set_antenna_enable failed: %s", hackrf_error_name(rc));
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}
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else
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{
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qDebug() << "HackRFInput:applySettings: bias tee set to " << settings.m_biasT;
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}
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}
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}
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if ((m_settings.m_lnaExt != settings.m_lnaExt) || force)
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{
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_amp_enable(m_dev, (settings.m_lnaExt ? 1 : 0));
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if(rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFInput::applySettings: hackrf_set_amp_enable failed: %s", hackrf_error_name(rc));
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}
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else
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{
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qDebug() << "HackRFInput:applySettings: extra LNA set to " << settings.m_lnaExt;
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}
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}
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}
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if (threadWasRunning)
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{
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m_hackRFThread->startWork();
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}
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m_settings.m_devSampleRate = settings.m_devSampleRate;
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m_settings.m_log2Interp = settings.m_log2Interp;
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m_settings.m_centerFrequency = settings.m_centerFrequency;
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m_settings.m_LOppmTenths = settings.m_LOppmTenths;
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m_settings.m_vgaGain = settings.m_vgaGain;
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m_settings.m_bandwidth = settings.m_bandwidth;
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m_settings.m_biasT = settings.m_biasT;
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m_settings.m_lnaExt = settings.m_lnaExt;
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if (forwardChange)
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{
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int sampleRate = m_settings.m_devSampleRate/(1<<m_settings.m_log2Interp);
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DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
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m_deviceAPI->getDeviceInputMessageQueue()->push(notif);
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}
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return true;
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}
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