mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-25 04:03:30 -05:00
511 lines
13 KiB
C++
511 lines
13 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 "airspygui.h"
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#include "airspyinput.h"
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#include <device/devicesourceapi.h>
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#include "dsp/dspcommands.h"
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#include "dsp/dspengine.h"
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#include "airspysettings.h"
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#include "airspythread.h"
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MESSAGE_CLASS_DEFINITION(AirspyInput::MsgConfigureAirspy, Message)
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//MESSAGE_CLASS_DEFINITION(AirspyInput::MsgReportAirspy, Message)
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AirspyInput::AirspyInput(DeviceSourceAPI *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_airspyThread(0),
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m_deviceDescription("Airspy"),
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m_running(false)
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{
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openDevice();
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}
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AirspyInput::~AirspyInput()
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{
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if (m_running) stop();
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closeDevice();
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}
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bool AirspyInput::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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airspy_error rc;
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rc = (airspy_error) airspy_init();
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if (rc != AIRSPY_SUCCESS)
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{
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qCritical("AirspyInput::start: failed to initiate Airspy library %s", airspy_error_name(rc));
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}
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if (!m_sampleFifo.setSize(1<<19))
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{
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qCritical("AirspyInput::start: could not allocate SampleFifo");
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return false;
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}
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int device = m_deviceAPI->getSampleSourceSequence();
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if ((m_dev = open_airspy_from_sequence(device)) == 0)
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{
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qCritical("AirspyInput::start: could not open Airspy #%d", device);
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return false;
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}
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#ifdef LIBAIRSPY_DYN_RATES
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uint32_t nbSampleRates;
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uint32_t *sampleRates;
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airspy_get_samplerates(m_dev, &nbSampleRates, 0);
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sampleRates = new uint32_t[nbSampleRates];
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airspy_get_samplerates(m_dev, sampleRates, nbSampleRates);
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if (nbSampleRates == 0)
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{
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qCritical("AirspyInput::start: could not obtain Airspy sample rates");
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return false;
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}
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else
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{
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qDebug("AirspyInput::start: %d sample rates", nbSampleRates);
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}
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m_sampleRates.clear();
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for (unsigned int i=0; i<nbSampleRates; i++)
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{
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m_sampleRates.push_back(sampleRates[i]);
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qDebug("AirspyInput::start: sampleRates[%d] = %u Hz", i, sampleRates[i]);
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}
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delete[] sampleRates;
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#else
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qDebug("AirspyInput::start: detault rates");
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m_sampleRates.clear();
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m_sampleRates.push_back(10000000);
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m_sampleRates.push_back(2500000);
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#endif
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// MsgReportAirspy *message = MsgReportAirspy::create(m_sampleRates);
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// getOutputMessageQueueToGUI()->push(message);
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rc = (airspy_error) airspy_set_sample_type(m_dev, AIRSPY_SAMPLE_INT16_IQ);
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if (rc != AIRSPY_SUCCESS)
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{
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qCritical("AirspyInput::start: could not set sample type to INT16_IQ");
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return false;
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}
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return true;
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}
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bool AirspyInput::start()
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{
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QMutexLocker mutexLocker(&m_mutex);
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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_airspyThread = new AirspyThread(m_dev, &m_sampleFifo)) == 0)
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{
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qFatal("AirspyInput::start: out of memory");
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stop();
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return false;
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}
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m_airspyThread->setSamplerate(m_sampleRates[m_settings.m_devSampleRateIndex]);
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m_airspyThread->setLog2Decimation(m_settings.m_log2Decim);
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m_airspyThread->setFcPos((int) m_settings.m_fcPos);
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m_airspyThread->startWork();
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mutexLocker.unlock();
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applySettings(m_settings, true);
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qDebug("AirspyInput::startInput: started");
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m_running = true;
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return true;
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}
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void AirspyInput::closeDevice()
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{
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if (m_dev != 0)
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{
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airspy_stop_rx(m_dev);
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airspy_close(m_dev);
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m_dev = 0;
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}
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m_deviceDescription.clear();
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airspy_exit();
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}
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void AirspyInput::stop()
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{
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qDebug("AirspyInput::stop");
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QMutexLocker mutexLocker(&m_mutex);
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if (m_airspyThread != 0)
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{
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m_airspyThread->stopWork();
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delete m_airspyThread;
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m_airspyThread = 0;
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}
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m_running = false;
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}
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const QString& AirspyInput::getDeviceDescription() const
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{
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return m_deviceDescription;
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}
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int AirspyInput::getSampleRate() const
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{
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int rate = m_sampleRates[m_settings.m_devSampleRateIndex];
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return (rate / (1<<m_settings.m_log2Decim));
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}
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quint64 AirspyInput::getCenterFrequency() const
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{
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return m_settings.m_centerFrequency;
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}
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bool AirspyInput::handleMessage(const Message& message)
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{
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if (MsgConfigureAirspy::match(message))
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{
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MsgConfigureAirspy& conf = (MsgConfigureAirspy&) message;
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qDebug() << "AirspyInput::handleMessage: MsgConfigureAirspy";
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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("Airspy 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 AirspyInput::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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airspy_error rc = (airspy_error) airspy_set_freq(m_dev, static_cast<uint32_t>(freq_hz));
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if (rc != AIRSPY_SUCCESS)
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{
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qWarning("AirspyInput::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("AirspyInput::setCenterFrequency: frequency set to %llu Hz", freq_hz);
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}
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}
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bool AirspyInput::applySettings(const AirspySettings& 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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airspy_error rc = AIRSPY_ERROR_OTHER;
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qDebug() << "AirspyInput::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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m_deviceAPI->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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m_deviceAPI->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 < m_sampleRates.size())
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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 = m_sampleRates.size() - 1;
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}
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if (m_dev != 0)
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{
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rc = (airspy_error) airspy_set_samplerate(m_dev, static_cast<airspy_samplerate_t>(m_settings.m_devSampleRateIndex));
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if (rc != AIRSPY_SUCCESS)
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{
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qCritical("AirspyInput::applySettings: could not set sample rate index %u (%d S/s): %s", m_settings.m_devSampleRateIndex, m_sampleRates[m_settings.m_devSampleRateIndex], airspy_error_name(rc));
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}
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else if (m_airspyThread != 0)
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{
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qDebug("AirspyInput::applySettings: sample rate set to index: %u (%d S/s)", m_settings.m_devSampleRateIndex, m_sampleRates[m_settings.m_devSampleRateIndex]);
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m_airspyThread->setSamplerate(m_sampleRates[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_airspyThread != 0)
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{
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m_airspyThread->setLog2Decimation(m_settings.m_log2Decim);
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qDebug() << "AirspyInput: 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 = m_sampleRates[m_settings.m_devSampleRateIndex];
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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 == AirspySettings::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 == AirspySettings::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 == AirspySettings::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() << "AirspyInput::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_airspyThread != 0)
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{
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m_airspyThread->setFcPos((int) m_settings.m_fcPos);
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qDebug() << "AirspyInput: 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 = (airspy_error) airspy_set_lna_gain(m_dev, m_settings.m_lnaGain);
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_lna_gain failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput: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_lnaAGC != settings.m_lnaAGC) || force)
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{
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m_settings.m_lnaAGC = settings.m_lnaAGC;
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if (m_dev != 0)
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{
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rc = (airspy_error) airspy_set_lna_agc(m_dev, (m_settings.m_lnaAGC ? 1 : 0));
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}
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_lna_agc failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput:applySettings: LNA AGC set to " << m_settings.m_lnaAGC;
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}
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}
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if ((m_settings.m_mixerGain != settings.m_mixerGain) || force)
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{
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m_settings.m_mixerGain = settings.m_mixerGain;
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if (m_dev != 0)
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{
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rc = (airspy_error) airspy_set_mixer_gain(m_dev, m_settings.m_mixerGain);
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_mixer_gain failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput:applySettings: mixer gain set to " << m_settings.m_mixerGain;
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}
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}
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}
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if ((m_settings.m_mixerAGC != settings.m_mixerAGC) || force)
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{
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m_settings.m_mixerAGC = settings.m_mixerAGC;
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if (m_dev != 0)
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{
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rc = (airspy_error) airspy_set_mixer_agc(m_dev, (m_settings.m_mixerAGC ? 1 : 0));
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}
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_mixer_agc failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput:applySettings: Mixer AGC set to " << m_settings.m_mixerAGC;
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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 = (airspy_error) airspy_set_vga_gain(m_dev, m_settings.m_vgaGain);
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_vga_gain failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput: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_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 = (airspy_error) airspy_set_rf_bias(m_dev, (m_settings.m_biasT ? 1 : 0));
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if(rc != AIRSPY_SUCCESS)
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{
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qDebug("AirspyInput::applySettings: airspy_set_rf_bias failed: %s", airspy_error_name(rc));
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}
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else
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{
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qDebug() << "AirspyInput: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 (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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m_deviceAPI->getDeviceInputMessageQueue()->push(notif);
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}
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return true;
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}
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struct airspy_device *AirspyInput::open_airspy_from_sequence(int sequence)
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{
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struct airspy_device *devinfo;
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airspy_error rc = AIRSPY_ERROR_OTHER;
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for (int i = 0; i < AIRSPY_MAX_DEVICE; i++)
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{
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rc = (airspy_error) airspy_open(&devinfo);
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if (rc == AIRSPY_SUCCESS)
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{
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if (i == sequence)
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{
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return devinfo;
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}
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}
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else
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{
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break;
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}
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}
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return 0;
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}
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