Fixed startup initialization sequence: interim state #1

This commit is contained in:
f4exb 2015-08-12 09:03:02 +02:00
parent 88f9641877
commit a7da0b76e2
26 changed files with 486 additions and 201 deletions

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@ -128,7 +128,9 @@ Done since the fork
- Trigger line display for all trigger modes
- Coarse and fine trigger level sliders
- Minimalist recording (no file choice)
- File sample source plugin (recording reader)
- File sample source plugin (recording reader) not working
- Make the DSP engine global static
- Fixed startup initialization sequence. New initialization phase in DSP engine and new ready state
=====
To Do

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@ -1,3 +1,20 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_DSPCOMMANDS_H
#define INCLUDE_DSPCOMMANDS_H
@ -18,6 +35,10 @@ class SDRANGELOVE_API DSPExit : public Message {
MESSAGE_CLASS_DECLARATION
};
class SDRANGELOVE_API DSPAcquisitionInit : public Message {
MESSAGE_CLASS_DECLARATION
};
class SDRANGELOVE_API DSPAcquisitionStart : public Message {
MESSAGE_CLASS_DECLARATION
};
@ -26,7 +47,7 @@ class SDRANGELOVE_API DSPAcquisitionStop : public Message {
MESSAGE_CLASS_DECLARATION
};
class SDRANGELOVE_API DSPGetDeviceDescription : public Message {
class SDRANGELOVE_API DSPGetSourceDeviceDescription : public Message {
MESSAGE_CLASS_DECLARATION
public:
@ -84,11 +105,11 @@ private:
SampleSink* m_sampleSink;
};
class SDRANGELOVE_API DSPAddAudioSource : public Message {
class SDRANGELOVE_API DSPAddAudioSink : public Message {
MESSAGE_CLASS_DECLARATION
public:
DSPAddAudioSource(AudioFifo* audioFifo) : Message(), m_audioFifo(audioFifo) { }
DSPAddAudioSink(AudioFifo* audioFifo) : Message(), m_audioFifo(audioFifo) { }
AudioFifo* getAudioFifo() const { return m_audioFifo; }
@ -96,11 +117,11 @@ private:
AudioFifo* m_audioFifo;
};
class SDRANGELOVE_API DSPRemoveAudioSource : public Message {
class SDRANGELOVE_API DSPRemoveAudioSink : public Message {
MESSAGE_CLASS_DECLARATION
public:
DSPRemoveAudioSource(AudioFifo* audioFifo) : Message(), m_audioFifo(audioFifo) { }
DSPRemoveAudioSink(AudioFifo* audioFifo) : Message(), m_audioFifo(audioFifo) { }
AudioFifo* getAudioFifo() const { return m_audioFifo; }

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@ -1,6 +1,6 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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 //
@ -38,10 +38,11 @@ class SDRANGELOVE_API DSPEngine : public QThread {
public:
enum State {
StNotStarted,
StIdle,
StRunning,
StError
StNotStarted, //!< engine is before initialization
StIdle, //!< engine is idle
StReady, //!< engine is ready to run
StRunning, //!< engine is running
StError //!< engine is in error
};
DSPEngine(QObject* parent = NULL);
@ -49,33 +50,34 @@ public:
static DSPEngine *instance();
MessageQueue* getMessageQueue() { return &m_messageQueue; }
MessageQueue* getReportQueue() { return &m_reportQueue; }
MessageQueue* getInputMessageQueue() { return &m_inputMessageQueue; }
MessageQueue* getOutputMessageQueue() { return &m_outputMessageQueue; }
void start();
void stop();
void start(); //!< This thread start
void stop(); //!< This thread stop
bool startAcquisition();
void stopAcquistion();
bool initAcquisition(); //!< Initialize acquisition sequence
bool startAcquisition(); //!< Start acquisition sequence
void stopAcquistion(); //!< Stop acquisition sequence
void setSource(SampleSource* source);
void setSource(SampleSource* source); //!< Set the unique sample source
void addSink(SampleSink* sink);
void removeSink(SampleSink* sink);
void addSink(SampleSink* sink); //!< Add a sample sink
void removeSink(SampleSink* sink); //!< Remove a sample sink
void addAudioSource(AudioFifo* audioFifo);
void removeAudioSource(AudioFifo* audioFifo);
void addAudioSink(AudioFifo* audioFifo); //!< Add the audio sink
void removeAudioSink(AudioFifo* audioFifo); //!< Remove the audio sink
void configureCorrections(bool dcOffsetCorrection, bool iqImbalanceCorrection);
void configureCorrections(bool dcOffsetCorrection, bool iqImbalanceCorrection); //!< Configure DSP corrections
State state() const { return m_state; }
State state() const { return m_state; } //!< Return DSP engine current state
QString errorMessage();
QString deviceDescription();
QString errorMessage(); //!< Return the current error message
QString sourceDeviceDescription(); //!< Return the source device description
private:
MessageQueue m_messageQueue;
MessageQueue m_reportQueue;
MessageQueue m_inputMessageQueue; //<! Input message queue. Post here.
MessageQueue m_outputMessageQueue; //<! Output message queue. Listen here.
State m_state;
@ -87,7 +89,7 @@ private:
typedef std::list<SampleSink*> SampleSinks;
SampleSinks m_sampleSinks;
AudioOutput m_audioOutput;
AudioOutput m_audioSink;
uint m_sampleRate;
quint64 m_centerFrequency;
@ -103,19 +105,19 @@ private:
void dcOffset(SampleVector::iterator begin, SampleVector::iterator end);
void imbalance(SampleVector::iterator begin, SampleVector::iterator end);
void work();
void work(); //!< transfer samples from source to sinks if in running state
State gotoIdle();
State gotoRunning();
State gotoError(const QString& errorMsg);
State gotoIdle(); //!< Go to the idle state
State gotoInit(); //!< Go to the acquisition init state from idle
State gotoRunning(); //!< Go to the running state from ready state
State gotoError(const QString& errorMsg); //!< Go to an error state
void handleSetSource(SampleSource* source);
void generateReport();
bool distributeMessage(Message* message);
void handleSetSource(SampleSource* source); //!< Manage source setting
bool distributeMessage(Message* message); // FIXME: remove ?
private slots:
void handleData();
void handleMessages();
void handleData(); //!< Handle data when samples from source FIFO are ready to be processed
void handleInputMessages(); //!< Handle input message queue
};
#endif // INCLUDE_DSPENGINE_H

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@ -15,7 +15,8 @@ public:
virtual void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly) = 0;
virtual void start() = 0;
virtual void stop() = 0;
virtual bool handleMessage(Message* cmd) = 0;
virtual bool handleMessage(Message* cmd) = 0; //!< Handle message immediately or submit it to a queue
virtual bool executeMessage(Message* cmd); //!< Handle message immediately FIXME: shall we keep it or fix behaviour of ThreadedSampleSink?
};
#endif // INCLUDE_SAMPLESINK_H

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@ -23,6 +23,7 @@ public:
void start();
void stop();
bool handleMessage(Message* cmd);
virtual bool executeMessage(Message* cmd);
protected:
QMutex m_mutex;

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@ -19,6 +19,7 @@ public:
Message* accept();
int countPending();
void clear();
signals:
void messageEnqueued();

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@ -29,6 +29,8 @@ AMDemod::AMDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_sampleSink(sampleSink),
m_audioFifo(audioFifo)
{
setObjectName("AMDemod");
m_config.m_inputSampleRate = 96000;
m_config.m_inputFrequencyOffset = 0;
m_config.m_rfBandwidth = 12500;

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@ -28,6 +28,8 @@ MESSAGE_CLASS_DEFINITION(LoRaDemod::MsgConfigureLoRaDemod, Message)
LoRaDemod::LoRaDemod(SampleSink* sampleSink) :
m_sampleSink(sampleSink)
{
setObjectName("LoRaDemod");
m_Bandwidth = 7813;
m_sampleRate = 96000;
m_frequency = 0;

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@ -36,6 +36,8 @@ NFMDemod::NFMDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_sampleSink(sampleSink),
m_audioFifo(audioFifo)
{
setObjectName("NFMDemod");
m_config.m_inputSampleRate = 96000;
m_config.m_inputFrequencyOffset = 0;
m_config.m_rfBandwidth = 12500;

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@ -28,6 +28,8 @@ SSBDemod::SSBDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_sampleSink(sampleSink),
m_audioFifo(audioFifo)
{
setObjectName("SSBDemod");
m_Bandwidth = 5000;
m_LowCutoff = 300;
m_volume = 2.0;

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@ -27,6 +27,8 @@ MESSAGE_CLASS_DEFINITION(TCPSrc::MsgTCPSrcSpectrum, Message)
TCPSrc::TCPSrc(MessageQueue* uiMessageQueue, TCPSrcGUI* tcpSrcGUI, SampleSink* spectrum)
{
setObjectName("TCPSrc");
m_inputSampleRate = 96000;
m_sampleFormat = FormatSSB;
m_outputSampleRate = 48000;

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@ -29,6 +29,8 @@ WFMDemod::WFMDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
m_sampleSink(sampleSink),
m_audioFifo(audioFifo)
{
setObjectName("WFMDemod");
m_config.m_inputSampleRate = 384000;
m_config.m_inputFrequencyOffset = 0;
m_config.m_rfBandwidth = 180000;

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@ -19,6 +19,8 @@
#include <QDebug>
#include "util/simpleserializer.h"
#include "dsp/dspengine.h"
#include "dsp/dspcommands.h"
#include "bladerfgui.h"
#include "bladerfinput.h"
#include "bladerfthread.h"
@ -106,7 +108,7 @@ BladerfInput::BladerfInput(MessageQueue* msgQueueToGUI) :
m_settings(),
m_dev(NULL),
m_bladerfThread(NULL),
m_deviceDescription()
m_deviceDescription("BladeRF")
{
}
@ -166,7 +168,6 @@ bool BladerfInput::startInput(int device)
}
m_bladerfThread->startWork();
m_deviceDescription = "BladeRF";
mutexLocker.unlock();
applySettings(m_generalSettings, m_settings, true);
@ -215,13 +216,21 @@ quint64 BladerfInput::getCenterFrequency() const
bool BladerfInput::handleMessage(Message* message)
{
if(MsgConfigureBladerf::match(message)) {
MsgConfigureBladerf* conf = (MsgConfigureBladerf*)message;
if(!applySettings(conf->getGeneralSettings(), conf->getSettings(), false))
if (MsgConfigureBladerf::match(message))
{
qDebug() << "BladerfInput::handleMessage: MsgConfigureBladerf";
MsgConfigureBladerf* conf = (MsgConfigureBladerf*) message;
if(!applySettings(conf->getGeneralSettings(), conf->getSettings(), false)) {
qDebug("BladeRF config error");
}
message->completed();
return true;
} else {
}
else
{
return false;
}
}
@ -230,9 +239,14 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
{
QMutexLocker mutexLocker(&m_mutex);
if((m_settings.m_lnaGain != settings.m_lnaGain) || force) {
qDebug() << "BladerfInput::applySettings: m_dev: " << m_dev;
if ((m_settings.m_lnaGain != settings.m_lnaGain) || force)
{
m_settings.m_lnaGain = settings.m_lnaGain;
if(m_dev != NULL) {
if (m_dev != NULL)
{
if(bladerf_set_lna_gain(m_dev, getLnaGain(m_settings.m_lnaGain)) != 0) {
qDebug("bladerf_set_lna_gain() failed");
} else {
@ -241,9 +255,12 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_vga1 != settings.m_vga1) || force) {
if ((m_settings.m_vga1 != settings.m_vga1) || force)
{
m_settings.m_vga1 = settings.m_vga1;
if(m_dev != NULL) {
if (m_dev != NULL)
{
if(bladerf_set_rxvga1(m_dev, m_settings.m_vga1) != 0) {
qDebug("bladerf_set_rxvga1() failed");
} else {
@ -252,9 +269,12 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_vga2 != settings.m_vga2) || force) {
if ((m_settings.m_vga2 != settings.m_vga2) || force)
{
m_settings.m_vga2 = settings.m_vga2;
if(m_dev != NULL) {
if(m_dev != NULL)
{
if(bladerf_set_rxvga2(m_dev, m_settings.m_vga2) != 0) {
qDebug("bladerf_set_rxvga2() failed");
} else {
@ -263,16 +283,22 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_xb200 != settings.m_xb200) || force) {
if ((m_settings.m_xb200 != settings.m_xb200) || force)
{
m_settings.m_xb200 = settings.m_xb200;
if(m_dev != NULL) {
if (m_settings.m_xb200) {
if (m_dev != NULL)
{
if (m_settings.m_xb200)
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_200) != 0) {
qDebug("bladerf_expansion_attach(xb200) failed");
} else {
qDebug() << "BladerfInput: Attach XB200";
}
} else {
}
else
{
if (bladerf_expansion_attach(m_dev, BLADERF_XB_NONE) != 0) {
qDebug("bladerf_expansion_attach(none) failed");
} else {
@ -282,9 +308,11 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_xb200Path != settings.m_xb200Path) || force) {
if ((m_settings.m_xb200Path != settings.m_xb200Path) || force)
{
m_settings.m_xb200Path = settings.m_xb200Path;
if(m_dev != NULL) {
if (m_dev != NULL)
{
if(bladerf_xb200_set_path(m_dev, BLADERF_MODULE_RX, m_settings.m_xb200Path) != 0) {
qDebug("bladerf_xb200_set_path(BLADERF_MODULE_RX) failed");
} else {
@ -293,9 +321,12 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_xb200Filter != settings.m_xb200Filter) || force) {
if ((m_settings.m_xb200Filter != settings.m_xb200Filter) || force)
{
m_settings.m_xb200Filter = settings.m_xb200Filter;
if(m_dev != NULL) {
if(m_dev != NULL)
{
if(bladerf_xb200_set_filterbank(m_dev, BLADERF_MODULE_RX, m_settings.m_xb200Filter) != 0) {
qDebug("bladerf_xb200_set_filterbank(BLADERF_MODULE_RX) failed");
} else {
@ -304,23 +335,34 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_samplerate != settings.m_samplerate) || force) {
if(m_dev != NULL) {
if ((m_settings.m_samplerate != settings.m_samplerate) || force)
{
m_settings.m_samplerate = settings.m_samplerate;
if (m_dev != NULL)
{
unsigned int actualSamplerate;
if( bladerf_set_sample_rate(m_dev, BLADERF_MODULE_RX, settings.m_samplerate, &actualSamplerate) < 0)
qCritical("could not set sample rate: %d", settings.m_samplerate);
else {
if (bladerf_set_sample_rate(m_dev, BLADERF_MODULE_RX, m_settings.m_samplerate, &actualSamplerate) < 0)
{
qCritical("could not set sample rate: %d", m_settings.m_samplerate);
}
else
{
qDebug() << "bladerf_set_sample_rate(BLADERF_MODULE_RX) actual sample rate is " << actualSamplerate;
m_settings.m_samplerate = settings.m_samplerate;
m_bladerfThread->setSamplerate(settings.m_samplerate);
m_bladerfThread->setSamplerate(m_settings.m_samplerate);
}
}
}
if((m_settings.m_bandwidth != settings.m_bandwidth) || force) {
if ((m_settings.m_bandwidth != settings.m_bandwidth) || force)
{
m_settings.m_bandwidth = settings.m_bandwidth;
if(m_dev != NULL) {
if(m_dev != NULL)
{
unsigned int actualBandwidth;
if( bladerf_set_bandwidth(m_dev, BLADERF_MODULE_RX, m_settings.m_bandwidth, &actualBandwidth) < 0)
qCritical("could not set sample rate: %d", m_settings.m_samplerate);
else {
@ -329,60 +371,72 @@ bool BladerfInput::applySettings(const GeneralSettings& generalSettings, const S
}
}
if((m_settings.m_log2Decim != settings.m_log2Decim) || force) {
if ((m_settings.m_log2Decim != settings.m_log2Decim) || force)
{
m_settings.m_log2Decim = settings.m_log2Decim;
if(m_dev != NULL) {
if(m_dev != NULL)
{
m_bladerfThread->setLog2Decimation(m_settings.m_log2Decim);
qDebug() << "BladerfInput: set decimation to " << (1<<settings.m_log2Decim);
qDebug() << "BladerfInput: set decimation to " << (1<<m_settings.m_log2Decim);
}
}
if((m_settings.m_fcPos != settings.m_fcPos) || force) {
if ((m_settings.m_fcPos != settings.m_fcPos) || force)
{
m_settings.m_fcPos = settings.m_fcPos;
if(m_dev != NULL) {
if(m_dev != NULL)
{
m_bladerfThread->setFcPos((int) m_settings.m_fcPos);
qDebug() << "BladerfInput: set fc pos (enum) to " << (int) m_settings.m_fcPos;
}
}
m_generalSettings.m_centerFrequency = generalSettings.m_centerFrequency;
if(m_dev != NULL) {
qint64 centerFrequency = m_generalSettings.m_centerFrequency;
qint64 f_img = centerFrequency;
qint64 f_cut = centerFrequency + m_settings.m_bandwidth/2;
if ((m_settings.m_log2Decim == 0) || (m_settings.m_fcPos == FC_POS_CENTER))
qint64 centerFrequency = m_generalSettings.m_centerFrequency;
qint64 f_img = centerFrequency;
qint64 f_cut = centerFrequency + m_settings.m_bandwidth/2;
if ((m_settings.m_log2Decim == 0) || (m_settings.m_fcPos == FC_POS_CENTER))
{
centerFrequency = m_generalSettings.m_centerFrequency;
f_img = centerFrequency;
f_cut = centerFrequency + m_settings.m_bandwidth/2;
}
else
{
if (m_settings.m_fcPos == FC_POS_INFRA)
{
centerFrequency = m_generalSettings.m_centerFrequency;
f_img = centerFrequency;
centerFrequency = m_generalSettings.m_centerFrequency + (m_settings.m_samplerate / 4);
f_img = centerFrequency + m_settings.m_samplerate/2;
f_cut = centerFrequency + m_settings.m_bandwidth/2;
}
else
else if (m_settings.m_fcPos == FC_POS_SUPRA)
{
if (m_settings.m_fcPos == FC_POS_INFRA) {
centerFrequency = m_generalSettings.m_centerFrequency + (m_settings.m_samplerate / 4);
f_img = centerFrequency + m_settings.m_samplerate/2;
f_cut = centerFrequency + m_settings.m_bandwidth/2;
} else if (m_settings.m_fcPos == FC_POS_SUPRA) {
centerFrequency = m_generalSettings.m_centerFrequency - (m_settings.m_samplerate / 4);
f_img = centerFrequency - m_settings.m_samplerate/2;
f_cut = centerFrequency - m_settings.m_bandwidth/2;
}
centerFrequency = m_generalSettings.m_centerFrequency - (m_settings.m_samplerate / 4);
f_img = centerFrequency - m_settings.m_samplerate/2;
f_cut = centerFrequency - m_settings.m_bandwidth/2;
}
}
if(bladerf_set_frequency( m_dev, BLADERF_MODULE_RX, centerFrequency ) != 0) {
if (m_dev != NULL)
{
if (bladerf_set_frequency( m_dev, BLADERF_MODULE_RX, centerFrequency ) != 0) {
qDebug("bladerf_set_frequency(%lld) failed", m_generalSettings.m_centerFrequency);
}
qDebug() << "BladerfInput: center freq: " << m_generalSettings.m_centerFrequency << " Hz"
<< " RF center freq: " << centerFrequency << " Hz"
<< " sample rate / 2 : " << m_settings.m_samplerate/2 << "Hz"
<< " BW: " << m_settings.m_bandwidth << "Hz"
<< " img: " << f_img << "Hz"
<< " cut: " << f_cut << "Hz"
<< " img - cut: " << f_img - f_cut;
}
qDebug() << " - center freq: " << m_generalSettings.m_centerFrequency << " Hz"
<< " RF center freq: " << centerFrequency << " Hz"
<< " RF sample rate: " << m_settings.m_samplerate << "Hz"
<< " Actual sample rate: " << m_settings.m_samplerate/(1<<m_settings.m_log2Decim) << "Hz"
<< " BW: " << m_settings.m_bandwidth << "Hz"
<< " img: " << f_img << "Hz"
<< " cut: " << f_cut << "Hz"
<< " img - cut: " << f_img - f_cut;
return true;
}

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@ -12,6 +12,7 @@ Channelizer::Channelizer(SampleSink* sampleSink) :
m_currentOutputSampleRate(0),
m_currentCenterFrequency(0)
{
setObjectName("Channelizer");
}
Channelizer::~Channelizer()
@ -62,6 +63,8 @@ void Channelizer::stop()
bool Channelizer::handleMessage(Message* cmd)
{
qDebug() << "Channelizer::handleMessage: " << cmd->getIdentifier();
if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;

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@ -1,16 +1,34 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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 "dsp/dspcommands.h"
MESSAGE_CLASS_DEFINITION(DSPPing, Message)
MESSAGE_CLASS_DEFINITION(DSPExit, Message)
MESSAGE_CLASS_DEFINITION(DSPAcquisitionInit, Message)
MESSAGE_CLASS_DEFINITION(DSPAcquisitionStart, Message)
MESSAGE_CLASS_DEFINITION(DSPAcquisitionStop, Message)
MESSAGE_CLASS_DEFINITION(DSPGetDeviceDescription, Message)
MESSAGE_CLASS_DEFINITION(DSPGetSourceDeviceDescription, Message)
MESSAGE_CLASS_DEFINITION(DSPGetErrorMessage, Message)
MESSAGE_CLASS_DEFINITION(DSPSetSource, Message)
MESSAGE_CLASS_DEFINITION(DSPAddSink, Message)
MESSAGE_CLASS_DEFINITION(DSPRemoveSink, Message)
MESSAGE_CLASS_DEFINITION(DSPAddAudioSource, Message)
MESSAGE_CLASS_DEFINITION(DSPRemoveAudioSource, Message)
MESSAGE_CLASS_DEFINITION(DSPAddAudioSink, Message)
MESSAGE_CLASS_DEFINITION(DSPRemoveAudioSink, Message)
MESSAGE_CLASS_DEFINITION(DSPConfigureSpectrumVis, Message)
MESSAGE_CLASS_DEFINITION(DSPConfigureCorrection, Message)
MESSAGE_CLASS_DEFINITION(DSPEngineReport, Message)

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@ -1,6 +1,6 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// 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 //
@ -26,8 +26,6 @@
DSPEngine::DSPEngine(QObject* parent) :
QThread(parent),
m_messageQueue(),
m_reportQueue(),
m_state(StNotStarted),
m_sampleSource(NULL),
m_sampleSinks(),
@ -55,97 +53,109 @@ DSPEngine *DSPEngine::instance()
return dspEngine;
}
void DSPEngine::run()
{
qDebug() << "DSPEngine::run";
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()), Qt::QueuedConnection);
m_state = StIdle;
handleInputMessages();
exec();
}
void DSPEngine::start()
{
qDebug() << "DSPEngine::start";
DSPPing cmd;
QThread::start();
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::stop()
{
qDebug() << "DSPEngine::stop";
DSPExit cmd;
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
}
bool DSPEngine::initAcquisition()
{
DSPAcquisitionInit cmd;
return cmd.execute(&m_inputMessageQueue) == StReady;
}
bool DSPEngine::startAcquisition()
{
DSPAcquisitionStart cmd;
return cmd.execute(&m_messageQueue) == StRunning;
return cmd.execute(&m_inputMessageQueue) == StRunning;
}
void DSPEngine::stopAcquistion()
{
DSPAcquisitionStop cmd;
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
if(m_dcOffsetCorrection)
{
qDebug("DC offset:%f,%f", m_iOffset, m_qOffset);
}
}
void DSPEngine::setSource(SampleSource* source)
{
DSPSetSource cmd(source);
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::addSink(SampleSink* sink)
{
qDebug() << "DSPEngine::addSink: " << sink->objectName().toStdString().c_str();
DSPAddSink cmd(sink);
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::removeSink(SampleSink* sink)
{
DSPRemoveSink cmd(sink);
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::addAudioSource(AudioFifo* audioFifo)
void DSPEngine::addAudioSink(AudioFifo* audioFifo)
{
DSPAddAudioSource cmd(audioFifo);
cmd.execute(&m_messageQueue);
DSPAddAudioSink cmd(audioFifo);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::removeAudioSource(AudioFifo* audioFifo)
void DSPEngine::removeAudioSink(AudioFifo* audioFifo)
{
DSPRemoveAudioSource cmd(audioFifo);
cmd.execute(&m_messageQueue);
DSPRemoveAudioSink cmd(audioFifo);
cmd.execute(&m_inputMessageQueue);
}
void DSPEngine::configureCorrections(bool dcOffsetCorrection, bool iqImbalanceCorrection)
{
Message* cmd = DSPConfigureCorrection::create(dcOffsetCorrection, iqImbalanceCorrection);
cmd->submit(&m_messageQueue);
cmd->submit(&m_inputMessageQueue);
}
QString DSPEngine::errorMessage()
{
DSPGetErrorMessage cmd;
cmd.execute(&m_messageQueue);
cmd.execute(&m_inputMessageQueue);
return cmd.getErrorMessage();
}
QString DSPEngine::deviceDescription()
QString DSPEngine::sourceDeviceDescription()
{
DSPGetDeviceDescription cmd;
cmd.execute(&m_messageQueue);
DSPGetSourceDeviceDescription cmd;
cmd.execute(&m_inputMessageQueue);
return cmd.getDeviceDescription();
}
void DSPEngine::run()
{
qDebug() << "DSPEngine::run";
connect(&m_messageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleMessages()), Qt::QueuedConnection);
m_state = StIdle;
handleMessages();
exec();
}
void DSPEngine::dcOffset(SampleVector::iterator begin, SampleVector::iterator end)
{
double count;
@ -154,7 +164,8 @@ void DSPEngine::dcOffset(SampleVector::iterator begin, SampleVector::iterator en
Sample corr((qint16)m_iOffset, (qint16)m_qOffset);
// sum and correct in one pass
for(SampleVector::iterator it = begin; it < end; it++) {
for(SampleVector::iterator it = begin; it < end; it++)
{
io += it->real();
qo += it->imag();
*it -= corr;
@ -175,18 +186,24 @@ void DSPEngine::imbalance(SampleVector::iterator begin, SampleVector::iterator e
// find value ranges for both I and Q
// both intervals should be same same size (for a perfect circle)
for(SampleVector::iterator it = begin; it < end; it++) {
if(it != begin) {
if(it->real() < iMin)
for (SampleVector::iterator it = begin; it < end; it++)
{
if (it != begin)
{
if (it->real() < iMin) {
iMin = it->real();
else if(it->real() > iMax)
} else if (it->real() > iMax) {
iMax = it->real();
if(it->imag() < qMin)
qMin = it->imag();
else if(it->imag() > qMax)
qMax = it->imag();
}
} else {
if (it->imag() < qMin) {
qMin = it->imag();
} else if (it->imag() > qMax) {
qMax = it->imag();
}
}
else
{
iMin = it->real();
iMax = it->real();
qMin = it->imag();
@ -199,12 +216,14 @@ void DSPEngine::imbalance(SampleVector::iterator begin, SampleVector::iterator e
m_qRange = (m_qRange * 15 + (qMax - qMin)) >> 4;
// calculate imbalance as Q15.16
if(m_qRange != 0)
if(m_qRange != 0) {
m_imbalance = ((uint)m_iRange << 16) / (uint)m_qRange;
}
// correct imbalance and convert back to signed int 16
for(SampleVector::iterator it = begin; it < end; it++)
for(SampleVector::iterator it = begin; it < end; it++) {
it->m_imag = (it->m_imag * m_imbalance) >> 16;
}
}
void DSPEngine::work()
@ -213,7 +232,8 @@ void DSPEngine::work()
size_t samplesDone = 0;
bool positiveOnly = false;
while((sampleFifo->fill() > 0) && (m_messageQueue.countPending() == 0) && (samplesDone < m_sampleRate)) {
while ((sampleFifo->fill() > 0) && (m_inputMessageQueue.countPending() == 0) && (samplesDone < m_sampleRate))
{
SampleVector::iterator part1begin;
SampleVector::iterator part1end;
SampleVector::iterator part2begin;
@ -222,26 +242,39 @@ void DSPEngine::work()
size_t count = sampleFifo->readBegin(sampleFifo->fill(), &part1begin, &part1end, &part2begin, &part2end);
// first part of FIFO data
if(part1begin != part1end) {
if (part1begin != part1end)
{
// correct stuff
if(m_dcOffsetCorrection)
if (m_dcOffsetCorrection) {
dcOffset(part1begin, part1end);
if(m_iqImbalanceCorrection)
}
if (m_iqImbalanceCorrection) {
imbalance(part1begin, part1end);
}
// feed data to handlers
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++) {
(*it)->feed(part1begin, part1end, positiveOnly);
}
}
// second part of FIFO data (used when block wraps around)
if(part2begin != part2end) {
if(part2begin != part2end)
{
// correct stuff
if(m_dcOffsetCorrection)
if(m_dcOffsetCorrection) {
dcOffset(part2begin, part2end);
if(m_iqImbalanceCorrection)
}
if(m_iqImbalanceCorrection) {
imbalance(part2begin, part2end);
}
// feed data to handlers
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++) {
(*it)->feed(part2begin, part2end, positiveOnly);
}
}
// adjust FIFO pointers
@ -250,6 +283,10 @@ void DSPEngine::work()
}
}
// notStarted -> idle -> init -> running -+
// ^ |
// +-----------------------+
DSPEngine::State DSPEngine::gotoIdle()
{
switch(m_state) {
@ -260,24 +297,32 @@ DSPEngine::State DSPEngine::gotoIdle()
case StError:
return StIdle;
case StReady:
case StRunning:
break;
}
if(m_sampleSource == NULL)
if(m_sampleSource == 0)
{
return StIdle;
}
// stop everything
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
{
(*it)->stop();
}
m_sampleSource->stopInput();
m_deviceDescription.clear();
m_audioOutput.stop();
m_audioSink.stop();
m_sampleRate = 0;
return StIdle;
}
DSPEngine::State DSPEngine::gotoRunning()
DSPEngine::State DSPEngine::gotoInit()
{
switch(m_state) {
case StNotStarted:
@ -286,35 +331,89 @@ DSPEngine::State DSPEngine::gotoRunning()
case StRunning:
return StRunning;
case StReady:
return StReady;
case StIdle:
case StError:
break;
}
if (m_sampleSource == 0)
{
return gotoError("No sample source configured");
}
// init: pass sample rate to all sample rate dependent sinks waiting for completion
m_deviceDescription = m_sampleSource->getDeviceDescription();
m_centerFrequency = m_sampleSource->getCenterFrequency();
m_sampleRate = m_sampleSource->getSampleRate();
qDebug() << "DSPEngine::gotoInit: " << m_deviceDescription.toStdString().c_str()
<< ": sampleRate: " << m_sampleRate
<< " centerFrequency: " << m_centerFrequency;
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
{
qDebug() << " - " << (*it)->objectName().toStdString().c_str();
DSPSignalNotification* notif = DSPSignalNotification::create(m_sampleRate, 0);
//notif->execute(&m_outputMessageQueue, *it); // wait for completion
(*it)->executeMessage(notif);
(*it)->start();
}
// pass sample rate to main window
Message* rep = DSPEngineReport::create(m_sampleRate, m_centerFrequency);
rep->submit(&m_outputMessageQueue);
return StReady;
}
DSPEngine::State DSPEngine::gotoRunning()
{
switch(m_state) {
case StNotStarted:
return StNotStarted;
case StIdle:
return StIdle;
case StRunning:
return StRunning;
case StReady:
case StError:
break;
}
if(m_sampleSource == NULL) {
return gotoError("No sample source configured");
}
qDebug() << "DSPEngine::gotoRunning: " << m_deviceDescription.toStdString().c_str() << " started";
m_iOffset = 0;
m_qOffset = 0;
m_iRange = 1 << 16;
m_qRange = 1 << 16;
if(!m_sampleSource->startInput(0)) {
// Start everything
if(!m_sampleSource->startInput(0))
{
return gotoError("Could not start sample source");
}
m_deviceDescription = m_sampleSource->getDeviceDescription();
qDebug() << "DSPEngine::gotoRunning: " << m_deviceDescription.toStdString().c_str() << " started";
m_audioSink.start(0, 48000);
m_audioOutput.start(0, 48000);
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++) {
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
{
(*it)->start();
}
m_sampleRate = 0; // make sure, report is sent
generateReport();
//generateReport();
return StRunning;
}
@ -335,48 +434,62 @@ void DSPEngine::handleSetSource(SampleSource* source)
m_sampleSource = source;
if(m_sampleSource != NULL)
connect(m_sampleSource->getSampleFifo(), SIGNAL(dataReady()), this, SLOT(handleData()), Qt::QueuedConnection);
generateReport();
//generateReport();
}
/*
void DSPEngine::generateReport()
{
bool needReport = false;
unsigned int sampleRate;
quint64 centerFrequency;
if(m_sampleSource != NULL) {
if (m_sampleSource != NULL)
{
sampleRate = m_sampleSource->getSampleRate();
centerFrequency = m_sampleSource->getCenterFrequency();
} else {
}
else
{
sampleRate = 0;
centerFrequency = 0;
}
if(sampleRate != m_sampleRate) {
qDebug() << "DSPEngine::generateReport:"
<< " sampleRate: " << sampleRate
<< " centerFrequency: " << centerFrequency;
if (sampleRate != m_sampleRate)
{
m_sampleRate = sampleRate;
needReport = true;
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++) {
for(SampleSinks::const_iterator it = m_sampleSinks.begin(); it != m_sampleSinks.end(); it++)
{
DSPSignalNotification* signal = DSPSignalNotification::create(m_sampleRate, 0);
signal->submit(&m_messageQueue, *it);
signal->submit(&m_reportQueue, *it);
}
}
if(centerFrequency != m_centerFrequency) {
if (centerFrequency != m_centerFrequency)
{
m_centerFrequency = centerFrequency;
needReport = true;
}
if(needReport) {
if (needReport)
{
Message* rep = DSPEngineReport::create(m_sampleRate, m_centerFrequency);
rep->submit(&m_reportQueue);
}
}
}*/
bool DSPEngine::distributeMessage(Message* message)
{
if(m_sampleSource != NULL) {
if((message->getDestination() == NULL) || (message->getDestination() == m_sampleSource)) {
if(m_sampleSource->handleMessage(message)) {
generateReport();
//generateReport();
return true;
}
}
@ -396,11 +509,13 @@ void DSPEngine::handleData()
work();
}
void DSPEngine::handleMessages()
void DSPEngine::handleInputMessages()
{
Message* message;
while((message = m_messageQueue.accept()) != NULL) {
qDebug("DSPEngine::handleMessages: Message: %s", message->getIdentifier());
while ((message = m_inputMessageQueue.accept()) != NULL)
{
qDebug("DSPEngine::handleInputMessages: Message: %s", message->getIdentifier());
if (DSPPing::match(message))
{
@ -413,12 +528,22 @@ void DSPEngine::handleMessages()
exit();
message->completed(m_state);
}
else if (DSPAcquisitionStart::match(message))
else if (DSPAcquisitionInit::match(message))
{
m_state = gotoIdle();
if(m_state == StIdle) {
m_state = gotoInit(); // State goes ready if OK or stays idle
}
message->completed(m_state);
}
else if (DSPAcquisitionStart::match(message))
{
if(m_state == StReady) {
m_state = gotoRunning();
}
message->completed(m_state);
}
else if (DSPAcquisitionStop::match(message))
@ -426,9 +551,9 @@ void DSPEngine::handleMessages()
m_state = gotoIdle();
message->completed(m_state);
}
else if (DSPGetDeviceDescription::match(message))
else if (DSPGetSourceDeviceDescription::match(message))
{
((DSPGetDeviceDescription*)message)->setDeviceDescription(m_deviceDescription);
((DSPGetSourceDeviceDescription*)message)->setDeviceDescription(m_deviceDescription);
message->completed();
}
else if (DSPGetErrorMessage::match(message))
@ -444,12 +569,13 @@ void DSPEngine::handleMessages()
{
SampleSink* sink = ((DSPAddSink*)message)->getSampleSink();
if(m_state == StRunning)
/*
if(m_state == StRunning) // FIXME: fix this mess once init phase is coded
{
DSPSignalNotification* signal = DSPSignalNotification::create(m_sampleRate, 0);
signal->submit(&m_messageQueue, sink);
signal->submit(&m_outputMessageQueue, sink);
sink->start();
}
}*/
m_sampleSinks.push_back(sink);
message->completed();
@ -465,14 +591,14 @@ void DSPEngine::handleMessages()
m_sampleSinks.remove(sink);
message->completed();
}
else if (DSPAddAudioSource::match(message))
else if (DSPAddAudioSink::match(message))
{
m_audioOutput.addFifo(((DSPAddAudioSource*)message)->getAudioFifo());
m_audioSink.addFifo(((DSPAddAudioSink*)message)->getAudioFifo());
message->completed();
}
else if (DSPRemoveAudioSource::match(message))
else if (DSPRemoveAudioSink::match(message))
{
m_audioOutput.removeFifo(((DSPAddAudioSource*)message)->getAudioFifo());
m_audioSink.removeFifo(((DSPAddAudioSink*)message)->getAudioFifo());
message->completed();
}
else if (DSPConfigureCorrection::match(message))
@ -504,7 +630,8 @@ void DSPEngine::handleMessages()
DSPSignalNotification *conf = (DSPSignalNotification*)message;
qDebug() << " (" << conf->getSampleRate() << "," << conf->getFrequencyOffset() << ")";
}
if(!distributeMessage(message)) {
if (!distributeMessage(message))
{
message->completed();
}
}

View File

@ -15,6 +15,7 @@ FileSink::FileSink() :
m_recordStart(false),
m_byteCount(0)
{
setObjectName("FileSink");
}
FileSink::~FileSink()

View File

@ -4,6 +4,7 @@
NullSink::NullSink()
{
setObjectName("NullSink");
}
void NullSink::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)

View File

@ -8,6 +8,11 @@ SampleSink::~SampleSink()
{
}
bool SampleSink::executeMessage(Message *cmd)
{
return handleMessage(cmd);
}
#if 0
#include "samplesink.h"

View File

@ -26,6 +26,7 @@ ScopeVis::ScopeVis(GLScope* glScope) :
m_armed(false),
m_sampleRate(0)
{
setObjectName("ScopeVis");
m_trace.reserve(100*m_traceChunkSize);
m_trace.resize(20*m_traceChunkSize);
m_traceback.resize(20*m_traceChunkSize);

View File

@ -6,6 +6,7 @@ SpectrumScopeComboVis::SpectrumScopeComboVis(SpectrumVis* spectrumVis, ScopeVis*
m_spectrumVis(spectrumVis),
m_scopeVis(scopeVis)
{
setObjectName("SpectrumScopeComboVis");
}
void SpectrumScopeComboVis::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly)

View File

@ -21,6 +21,7 @@ SpectrumVis::SpectrumVis(GLSpectrum* glSpectrum) :
m_needMoreSamples(false),
m_glSpectrum(glSpectrum)
{
setObjectName("SpectrumVis");
handleConfigure(1024, 0, FFTWindow::BlackmanHarris);
}

View File

@ -1,4 +1,5 @@
#include <QThread>
#include <QDebug>
#include "dsp/threadedsamplesink.h"
#include "util/message.h"
@ -6,6 +7,7 @@ ThreadedSampleSink::ThreadedSampleSink(SampleSink* sampleSink) :
m_thread(new QThread),
m_sampleSink(sampleSink)
{
setObjectName("ThreadedSampleSink");
moveToThread(m_thread);
connect(m_thread, SIGNAL(started()), this, SLOT(threadStarted()));
connect(m_thread, SIGNAL(finished()), this, SLOT(threadFinished()));
@ -47,11 +49,34 @@ void ThreadedSampleSink::stop()
bool ThreadedSampleSink::handleMessage(Message* cmd)
{
qDebug() << "ThreadedSampleSink::handleMessage: "
<< m_sampleSink->objectName().toStdString().c_str()
<< ": " << cmd->getIdentifier();
// called from other thread
m_messageQueue.submit(cmd);
return true;
}
bool ThreadedSampleSink::executeMessage(Message* cmd)
{
qDebug() << "ThreadedSampleSink::executeMessage: "
<< m_sampleSink->objectName().toStdString().c_str()
<< ": " << cmd->getIdentifier();
if (m_sampleSink != NULL)
{
if (!m_sampleSink->handleMessage(cmd)) {
cmd->completed();
}
}
else
{
cmd->completed();
}
return true;
}
void ThreadedSampleSink::handleData()
{
bool positiveOnly = false;

View File

@ -54,7 +54,7 @@ MainWindow::MainWindow(QWidget* parent) :
m_sampleFileName(std::string("./test.sdriq")),
m_pluginManager(new PluginManager(this, m_dspEngine))
{
connect(m_dspEngine->getReportQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleDSPMessages()), Qt::QueuedConnection);
connect(m_dspEngine->getOutputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleDSPMessages()), Qt::QueuedConnection);
m_dspEngine->start();
ui->setupUi(this);
@ -108,7 +108,7 @@ MainWindow::MainWindow(QWidget* parent) :
m_dspEngine->addSink(m_fileSink);
ui->glSpectrum->connectTimer(m_masterTimer);
ui->glSpectrumGUI->setBuddies(m_dspEngine->getMessageQueue(), m_spectrumVis, ui->glSpectrum);
ui->glSpectrumGUI->setBuddies(m_dspEngine->getInputMessageQueue(), m_spectrumVis, ui->glSpectrum);
loadSettings();
@ -319,7 +319,7 @@ void MainWindow::handleDSPMessages()
{
Message* message;
while ((message = m_dspEngine->getReportQueue()->accept()) != 0)
while ((message = m_dspEngine->getOutputMessageQueue()->accept()) != 0)
{
qDebug("Message: %s", message->getIdentifier());
@ -335,7 +335,7 @@ void MainWindow::handleDSPMessages()
updateSampleRate();
message->completed();
qDebug() << "MainWindow::handleMessages: m_fileSink->configure";
m_fileSink->configure(m_dspEngine->getMessageQueue(), m_sampleFileName, m_sampleRate, m_centerFrequency);
m_fileSink->configure(m_dspEngine->getInputMessageQueue(), m_sampleFileName, m_sampleRate, m_centerFrequency);
}
}
}
@ -379,7 +379,7 @@ void MainWindow::updateStatus()
m_engineIdle->setColor(Qt::gray);
m_engineRunning->setColor(Qt::green);
m_engineError->setColor(Qt::gray);
statusBar()->showMessage(tr("Sampling from %1").arg(m_dspEngine->deviceDescription()));
statusBar()->showMessage(tr("Sampling from %1").arg(m_dspEngine->sourceDeviceDescription()));
break;
case DSPEngine::StError:
@ -395,7 +395,10 @@ void MainWindow::updateStatus()
void MainWindow::on_action_Start_triggered()
{
m_dspEngine->startAcquisition();
if (m_dspEngine->initAcquisition())
{
m_dspEngine->startAcquisition();
}
}
void MainWindow::on_action_Stop_triggered()

View File

@ -72,17 +72,17 @@ void PluginAPI::removeSampleSink(SampleSink* sampleSink)
MessageQueue* PluginAPI::getDSPEngineMessageQueue()
{
return m_dspEngine->getMessageQueue();
return m_dspEngine->getInputMessageQueue();
}
void PluginAPI::addAudioSource(AudioFifo* audioFifo)
{
m_dspEngine->addAudioSource(audioFifo);
m_dspEngine->addAudioSink(audioFifo);
}
void PluginAPI::removeAudioSource(AudioFifo* audioFifo)
{
m_dspEngine->removeAudioSource(audioFifo);
m_dspEngine->removeAudioSink(audioFifo);
}
void PluginAPI::registerSampleSource(const QString& sourceName, PluginInterface* plugin)

View File

@ -38,3 +38,8 @@ int MessageQueue::countPending()
return m_queue.size();
}
void MessageQueue::clear()
{
m_queue.clear();
}