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sdrangel/plugins/samplesource/perseus/perseusinput.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include "SWGDeviceSettings.h"
#include "SWGDeviceState.h"
#include "dsp/filerecord.h"
#include "dsp/dspcommands.h"
#include "dsp/dspengine.h"
#include "device/devicesourceapi.h"
#include "perseus/deviceperseus.h"
#include "perseusinput.h"
#include "perseusthread.h"
MESSAGE_CLASS_DEFINITION(PerseusInput::MsgConfigurePerseus, Message)
MESSAGE_CLASS_DEFINITION(PerseusInput::MsgFileRecord, Message)
MESSAGE_CLASS_DEFINITION(PerseusInput::MsgStartStop, Message)
PerseusInput::PerseusInput(DeviceSourceAPI *deviceAPI) :
m_deviceAPI(deviceAPI),
m_fileSink(0),
m_deviceDescription("PerseusInput"),
m_running(false),
m_perseusThread(0),
m_perseusDescriptor(0)
{
openDevice();
char recFileNameCStr[30];
sprintf(recFileNameCStr, "test_%d.sdriq", m_deviceAPI->getDeviceUID());
m_fileSink = new FileRecord(std::string(recFileNameCStr));
m_deviceAPI->addSink(m_fileSink);
}
PerseusInput::~PerseusInput()
{
m_deviceAPI->removeSink(m_fileSink);
delete m_fileSink;
closeDevice();
}
void PerseusInput::destroy()
{
delete this;
}
void PerseusInput::init()
{
applySettings(m_settings, true);
}
bool PerseusInput::start()
{
if (m_running) stop();
applySettings(m_settings, true);
// start / stop streaming is done in the thread.
if ((m_perseusThread = new PerseusThread(m_perseusDescriptor, &m_sampleFifo)) == 0)
{
qCritical("PerseusInput::start: cannot create thread");
stop();
return false;
}
else
{
qDebug("PerseusInput::start: thread created");
}
m_perseusThread->setLog2Decimation(m_settings.m_log2Decim);
m_perseusThread->startWork();
m_running = true;
return true;
}
void PerseusInput::stop()
{
if (m_perseusThread != 0)
{
m_perseusThread->stopWork();
delete m_perseusThread;
m_perseusThread = 0;
}
m_running = false;
}
QByteArray PerseusInput::serialize() const
{
return m_settings.serialize();
}
bool PerseusInput::deserialize(const QByteArray& data)
{
bool success = true;
if (!m_settings.deserialize(data))
{
m_settings.resetToDefaults();
success = false;
}
MsgConfigurePerseus* message = MsgConfigurePerseus::create(m_settings, true);
m_inputMessageQueue.push(message);
if (m_guiMessageQueue)
{
MsgConfigurePerseus* messageToGUI = MsgConfigurePerseus::create(m_settings, true);
m_guiMessageQueue->push(messageToGUI);
}
return success;
}
const QString& PerseusInput::getDeviceDescription() const
{
return m_deviceDescription;
}
int PerseusInput::getSampleRate() const
{
if (m_settings.m_devSampleRateIndex < m_sampleRates.size()) {
return (m_sampleRates[m_settings.m_devSampleRateIndex] / (1<<m_settings.m_log2Decim));
} else {
return (m_sampleRates[0] / (1<<m_settings.m_log2Decim));
}
}
quint64 PerseusInput::getCenterFrequency() const
{
return m_settings.m_centerFrequency;
}
void PerseusInput::setCenterFrequency(qint64 centerFrequency)
{
PerseusSettings settings = m_settings;
settings.m_centerFrequency = centerFrequency;
MsgConfigurePerseus* message = MsgConfigurePerseus::create(settings, false);
m_inputMessageQueue.push(message);
if (m_guiMessageQueue)
{
MsgConfigurePerseus* messageToGUI = MsgConfigurePerseus::create(settings, false);
m_guiMessageQueue->push(messageToGUI);
}
}
bool PerseusInput::handleMessage(const Message& message)
{
if (MsgConfigurePerseus::match(message))
{
MsgConfigurePerseus& conf = (MsgConfigurePerseus&) message;
qDebug() << "PerseusInput::handleMessage: MsgConfigurePerseus";
bool success = applySettings(conf.getSettings(), conf.getForce());
if (!success) {
qDebug("MsgConfigurePerseus::handleMessage: Perseus config error");
}
return true;
}
else if (MsgStartStop::match(message))
{
MsgStartStop& cmd = (MsgStartStop&) message;
qDebug() << "PerseusInput::handleMessage: MsgStartStop: " << (cmd.getStartStop() ? "start" : "stop");
if (cmd.getStartStop())
{
if (m_deviceAPI->initAcquisition())
{
m_deviceAPI->startAcquisition();
DSPEngine::instance()->startAudioOutput();
}
}
else
{
m_deviceAPI->stopAcquisition();
DSPEngine::instance()->stopAudioOutput();
}
return true;
}
else if (MsgFileRecord::match(message))
{
MsgFileRecord& conf = (MsgFileRecord&) message;
qDebug() << "PerseusInput::handleMessage: MsgFileRecord: " << conf.getStartStop();
if (conf.getStartStop()) {
m_fileSink->startRecording();
} else {
m_fileSink->stopRecording();
}
return true;
}
else
{
return false;
}
}
bool PerseusInput::openDevice()
{
if (m_perseusDescriptor != 0) {
closeDevice();
}
if (!m_sampleFifo.setSize(PERSEUS_NBSAMPLES))
{
qCritical("PerseusInput::start: could not allocate SampleFifo");
return false;
}
m_deviceAPI->getSampleSourceSerial();
int deviceSequence = DevicePerseus::instance().getSequenceFromSerial(m_deviceAPI->getSampleSourceSerial().toStdString());
if ((m_perseusDescriptor = perseus_open(deviceSequence)) == 0)
{
qCritical("PerseusInput::openDevice: cannot open device: %s", perseus_errorstr());
return false;
}
int buf[32];
m_sampleRates.clear();
if (perseus_get_sampling_rates(m_perseusDescriptor, buf, sizeof(buf)/sizeof(buf[0])) < 0)
{
qCritical("PerseusInput::openDevice: cannot get sampling rates: %s", perseus_errorstr());
perseus_close(m_perseusDescriptor);
return false;
}
else
{
for (int i = 0; (i < 32) && (buf[i] != 0); i++)
{
qDebug("PerseusInput::openDevice: sample rate: %d", buf[i]);
m_sampleRates.push_back(buf[i]);
}
}
return true;
}
void PerseusInput::closeDevice()
{
if (m_perseusDescriptor)
{
if (m_running) { stop(); }
perseus_close(m_perseusDescriptor);
}
}
void PerseusInput::setDeviceCenterFrequency(quint64 freq_hz, const PerseusSettings& settings)
{
qint64 df = ((qint64)freq_hz * settings.m_LOppmTenths) / 10000000LL;
freq_hz += df;
// wideband flag is inverted since parameter is set to enable preselection filters
int rc = perseus_set_ddc_center_freq(m_perseusDescriptor, freq_hz, settings.m_wideBand ? 0 : 1);
if (rc < 0) {
qWarning("PerseusInput::setDeviceCenterFrequency: could not set frequency to %llu Hz: %s", freq_hz, perseus_errorstr());
} else {
qDebug("PerseusInput::setDeviceCenterFrequency: frequency set to %llu Hz", freq_hz);
}
}
bool PerseusInput::applySettings(const PerseusSettings& settings, bool force)
{
bool forwardChange = false;
int sampleRateIndex = settings.m_devSampleRateIndex;
if ((m_settings.m_devSampleRateIndex != settings.m_devSampleRateIndex) || force)
{
forwardChange = true;
if (settings.m_devSampleRateIndex >= m_sampleRates.size()) {
sampleRateIndex = m_sampleRates.size() - 1;
}
if (m_perseusDescriptor != 0)
{
int rate = m_sampleRates[settings.m_devSampleRateIndex < m_sampleRates.size() ? settings.m_devSampleRateIndex: 0];
int rc;
for (int i = 0; i < 2; i++) // it turns out that it has to be done twice
{
rc = perseus_set_sampling_rate(m_perseusDescriptor, rate);
if (rc < 0) {
qCritical("PerseusInput::applySettings: could not set sample rate index %u (%d S/s): %s",
settings.m_devSampleRateIndex, rate, perseus_errorstr());
break;
}
else
{
qDebug("PerseusInput::applySettings: sample rate set to index #%d: %u (%d S/s)",
i, settings.m_devSampleRateIndex, rate);
}
}
}
}
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
{
forwardChange = true;
if (m_perseusThread != 0)
{
m_perseusThread->setLog2Decimation(settings.m_log2Decim);
qDebug("PerseusInput: set decimation to %d", (1<<settings.m_log2Decim));
}
}
if (force || (m_settings.m_centerFrequency != settings.m_centerFrequency)
|| (m_settings.m_LOppmTenths != settings.m_LOppmTenths)
|| (m_settings.m_wideBand != settings.m_wideBand)
|| (m_settings.m_transverterMode != settings.m_transverterMode)
|| (m_settings.m_transverterDeltaFrequency != settings.m_transverterDeltaFrequency)
|| (m_settings.m_devSampleRateIndex != settings.m_devSampleRateIndex))
{
qint64 deviceCenterFrequency = settings.m_centerFrequency;
deviceCenterFrequency -= settings.m_transverterMode ? settings.m_transverterDeltaFrequency : 0;
deviceCenterFrequency = deviceCenterFrequency < 0 ? 0 : deviceCenterFrequency;
if (m_perseusDescriptor != 0)
{
setDeviceCenterFrequency(deviceCenterFrequency, settings);
qDebug("PerseusInput::applySettings: center freq: %llu Hz", settings.m_centerFrequency);
}
forwardChange = true;
}
if ((m_settings.m_attenuator != settings.m_attenuator) || force)
{
int rc = perseus_set_attenuator_n(m_perseusDescriptor, (int) settings.m_attenuator);
if (rc < 0) {
qWarning("PerseusInput::applySettings: cannot set attenuator to %d dB: %s", (int) settings.m_attenuator*10, perseus_errorstr());
} else {
qDebug("PerseusInput::applySettings: attenuator set to %d dB", (int) settings.m_attenuator*10);
}
}
if ((m_settings.m_adcDither != settings.m_adcDither)
|| (m_settings.m_adcPreamp != settings.m_adcPreamp) || force)
{
int rc = perseus_set_adc(m_perseusDescriptor, settings.m_adcDither ? 1 : 0, settings.m_adcPreamp ? 1 : 0);
if (rc < 0) {
qWarning("PerseusInput::applySettings: cannot set ADC to dither %s and preamp %s: %s",
settings.m_adcDither ? "on" : "off", settings.m_adcPreamp ? "on" : "off", perseus_errorstr());
} else {
qDebug("PerseusInput::applySettings: ADC set to dither %s and preamp %s",
settings.m_adcDither ? "on" : "off", settings.m_adcPreamp ? "on" : "off");
}
}
if (forwardChange)
{
int sampleRate = m_sampleRates[sampleRateIndex]/(1<<settings.m_log2Decim);
DSPSignalNotification *notif = new DSPSignalNotification(sampleRate, settings.m_centerFrequency);
m_fileSink->handleMessage(*notif); // forward to file sink
m_deviceAPI->getDeviceEngineInputMessageQueue()->push(notif);
}
m_settings = settings;
m_settings.m_devSampleRateIndex = sampleRateIndex;
qDebug() << "PerseusInput::applySettings: "
<< " m_LOppmTenths: " << m_settings.m_LOppmTenths
<< " m_devSampleRateIndex: " << m_settings.m_devSampleRateIndex
<< " m_log2Decim: " << m_settings.m_log2Decim
<< " m_transverterMode: " << m_settings.m_transverterMode
<< " m_transverterDeltaFrequency: " << m_settings.m_transverterDeltaFrequency
<< " m_adcDither: " << m_settings.m_adcDither
<< " m_adcPreamp: " << m_settings.m_adcPreamp
<< " m_wideBand: " << m_settings.m_wideBand
<< " m_attenuator: " << m_settings.m_attenuator;
return true;
}
int PerseusInput::webapiRunGet(
SWGSDRangel::SWGDeviceState& response,
QString& errorMessage __attribute__((unused)))
{
m_deviceAPI->getDeviceEngineStateStr(*response.getState());
return 200;
}
int PerseusInput::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;
}
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