mirror of
https://github.com/f4exb/sdrangel.git
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423 lines
11 KiB
C++
423 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2015 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 <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 "hackrfinput.h"
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#include "hackrfgui.h"
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#include "hackrfthread.h"
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MESSAGE_CLASS_DEFINITION(HackRFInput::MsgConfigureHackRF, Message)
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MESSAGE_CLASS_DEFINITION(HackRFInput::MsgReportHackRF, Message)
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HackRFInput::HackRFInput() :
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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("HackRF")
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{
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}
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HackRFInput::~HackRFInput()
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{
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stop();
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}
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bool HackRFInput::init(const Message& cmd)
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{
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return false;
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}
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bool HackRFInput::start(int device)
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{
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QMutexLocker mutexLocker(&m_mutex);
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hackrf_error rc;
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rc = (hackrf_error) hackrf_init();
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if (rc != HACKRF_SUCCESS)
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{
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qCritical("HackRFInput::start: failed to initiate HackRF library %s", hackrf_error_name(rc));
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}
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if (m_dev != 0)
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{
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stop();
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}
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if (!m_sampleFifo.setSize(1<<19))
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{
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qCritical("HackRFInput::start: could not allocate SampleFifo");
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return false;
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}
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if ((m_dev = open_hackrf_from_sequence(device)) == 0)
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{
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qCritical("HackRFInput::start: could not open HackRF #%d", device);
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return false;
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}
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if((m_hackRFThread = new HackRFThread(m_dev, &m_sampleFifo)) == 0)
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{
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qFatal("HackRFInput::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->startWork();
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qDebug("HackRFInput::startInput: started");
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return true;
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}
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void HackRFInput::stop()
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{
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qDebug("HackRFInput::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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if(m_dev != 0)
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{
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hackrf_stop_rx(m_dev);
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hackrf_close(m_dev);
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m_dev = 0;
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}
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hackrf_exit();
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}
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const QString& HackRFInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int HackRFInput::getSampleRate() const
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{
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int rate = HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex] * 1000;
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return (rate / (1<<m_settings.m_log2Decim));
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}
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quint64 HackRFInput::getCenterFrequency() const
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{
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return m_settings.m_centerFrequency;
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}
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bool HackRFInput::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() << "HackRFInput::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("HackRFInput::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 HackRFInput::setCenterFrequency(quint64 freq_hz)
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{
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qint64 df = ((qint64)freq_hz * m_settings.m_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("HackRFInput::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("HackRFInput::setCenterFrequency: frequency set to %llu Hz", freq_hz);
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}
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}
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bool HackRFInput::applySettings(const HackRFSettings& 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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hackrf_error rc;
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qDebug() << "HackRFInput::applySettings";
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if (m_settings.m_dcBlock != settings.m_dcBlock)
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{
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m_settings.m_dcBlock = settings.m_dcBlock;
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DSPEngine::instance()->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqCorrection);
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}
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if (m_settings.m_iqCorrection != settings.m_iqCorrection)
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{
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m_settings.m_iqCorrection = settings.m_iqCorrection;
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DSPEngine::instance()->configureCorrections(m_settings.m_dcBlock, m_settings.m_iqCorrection);
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}
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if ((m_settings.m_devSampleRateIndex != settings.m_devSampleRateIndex) || force)
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{
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forwardChange = true;
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if (settings.m_devSampleRateIndex < HackRFSampleRates::m_nb_rates)
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{
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m_settings.m_devSampleRateIndex = settings.m_devSampleRateIndex;
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}
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else
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{
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m_settings.m_devSampleRateIndex = HackRFSampleRates::m_nb_rates - 1;
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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, HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex]*1000, 1);
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if (rc != HACKRF_SUCCESS)
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{
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qCritical("HackRFInput::applySettings: could not set sample rate index %u (%d kS/s): %s", m_settings.m_devSampleRateIndex, HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex], hackrf_error_name(rc));
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}
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else
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{
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qDebug("HackRFInput::applySettings: sample rate set to index: %u (%d kS/s)", m_settings.m_devSampleRateIndex, HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex]);
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m_hackRFThread->setSamplerate(HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex]);
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}
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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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m_settings.m_log2Decim = settings.m_log2Decim;
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forwardChange = true;
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if(m_dev != 0)
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{
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m_hackRFThread->setLog2Decimation(m_settings.m_log2Decim);
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qDebug() << "HackRFInput: set decimation to " << (1<<m_settings.m_log2Decim);
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}
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}
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qint64 deviceCenterFrequency = m_settings.m_centerFrequency;
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qint64 f_img = deviceCenterFrequency;
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quint32 devSampleRate = HackRFSampleRates::m_rates_k[m_settings.m_devSampleRateIndex] * 1000;
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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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(m_settings.m_fcPos != settings.m_fcPos))
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{
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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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if ((m_settings.m_log2Decim == 0) || (settings.m_fcPos == HackRFSettings::FC_POS_CENTER))
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{
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deviceCenterFrequency = m_settings.m_centerFrequency;
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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 == HackRFSettings::FC_POS_INFRA)
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{
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deviceCenterFrequency = m_settings.m_centerFrequency + (devSampleRate / 4);
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f_img = deviceCenterFrequency + devSampleRate/2;
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}
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else if (settings.m_fcPos == HackRFSettings::FC_POS_SUPRA)
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{
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deviceCenterFrequency = m_settings.m_centerFrequency - (devSampleRate / 4);
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f_img = deviceCenterFrequency - devSampleRate/2;
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}
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}
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if (m_dev != 0)
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{
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setCenterFrequency(deviceCenterFrequency);
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qDebug() << "HackRFInput::applySettings: center freq: " << m_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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<< " img: " << f_img << "Hz";
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}
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forwardChange = 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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m_settings.m_fcPos = settings.m_fcPos;
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if(m_dev != 0)
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{
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m_hackRFThread->setFcPos((int) m_settings.m_fcPos);
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qDebug() << "HackRFInput: set fc pos (enum) to " << (int) m_settings.m_fcPos;
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}
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}
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if ((m_settings.m_lnaGain != settings.m_lnaGain) || force)
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{
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m_settings.m_lnaGain = settings.m_lnaGain;
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_lna_gain(m_dev, m_settings.m_lnaGain);
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if(rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFInput::applySettings: airspy_set_lna_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() << "HackRFInput:applySettings: LNA gain set to " << m_settings.m_lnaGain;
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}
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}
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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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m_settings.m_vgaGain = settings.m_vgaGain;
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if (m_dev != 0)
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{
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rc = (hackrf_error) hackrf_set_vga_gain(m_dev, m_settings.m_vgaGain);
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if (rc != HACKRF_SUCCESS)
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{
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qDebug("HackRFInput::applySettings: hackrf_set_vga_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() << "HackRFInput:applySettings: VGA gain set to " << m_settings.m_vgaGain;
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}
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}
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}
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if ((m_settings.m_bandwidthIndex != settings.m_bandwidthIndex) || force)
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{
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if (settings.m_bandwidthIndex < HackRFBandwidths::m_nb_bw)
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{
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m_settings.m_bandwidthIndex = settings.m_bandwidthIndex;
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}
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else
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{
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m_settings.m_bandwidthIndex = HackRFBandwidths::m_nb_bw - 1;
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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(HackRFBandwidths::m_bw_k[m_settings.m_bandwidthIndex]*1000);
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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 " << HackRFBandwidths::m_bw_k[m_settings.m_bandwidthIndex] << " kHz";
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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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m_settings.m_biasT = settings.m_biasT;
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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, (m_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 " << m_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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m_settings.m_lnaExt = settings.m_lnaExt;
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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, (m_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 " << m_settings.m_lnaExt;
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}
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}
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}
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if (forwardChange)
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{
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int sampleRate = devSampleRate/(1<<m_settings.m_log2Decim);
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DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, m_settings.m_centerFrequency);
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DSPEngine::instance()->getInputMessageQueue()->push(notif);
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//getOutputMessageQueue()->push(notif);
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}
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return true;
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}
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hackrf_device *HackRFInput::open_hackrf_from_sequence(int sequence)
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{
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hackrf_device_list_t *hackrf_devices = hackrf_device_list();
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hackrf_device *hackrf_ptr;
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hackrf_error rc;
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rc = (hackrf_error) hackrf_device_list_open(hackrf_devices, sequence, &hackrf_ptr);
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if (rc == HACKRF_SUCCESS)
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{
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return hackrf_ptr;
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}
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else
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{
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return 0;
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}
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}
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