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Code Issues Projects Releases Wiki Activity

IEEE 802.15.4 modulator: moved UDP handling to IEEE_802_15_4_ModSource

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This commit is contained in:
f4exb 2021-11-17 08:09:54 +01:00
parent 27ffcedb64
commit 830e3ff2f2
6 changed files with 191 additions and 99 deletions
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58
plugins/channeltx/mod802.15.4/ieee_802_15_4_mod.cpp
View File

@ -50,7 +50,6 @@
MESSAGE_CLASS_DEFINITION(IEEE_802_15_4_Mod::MsgConfigureIEEE_802_15_4_Mod, Message)
MESSAGE_CLASS_DEFINITION(IEEE_802_15_4_Mod::MsgTxHexString, Message)
MESSAGE_CLASS_DEFINITION(IEEE_802_15_4_Mod::MsgTxBytes, Message)
const char* const IEEE_802_15_4_Mod::m_channelIdURI = "sdrangel.channeltx.mod802.15.4";
const char* const IEEE_802_15_4_Mod::m_channelId = "IEEE_802_15_4_Mod";
@ -59,8 +58,7 @@ IEEE_802_15_4_Mod::IEEE_802_15_4_Mod(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSource),
m_deviceAPI(deviceAPI),
m_spectrumVis(SDR_TX_SCALEF),
m_settingsMutex(QMutex::Recursive),
m_udpSocket(nullptr)
m_settingsMutex(QMutex::Recursive)
{
setObjectName(m_channelId);
@ -80,7 +78,7 @@ IEEE_802_15_4_Mod::IEEE_802_15_4_Mod(DeviceAPI *deviceAPI) :
IEEE_802_15_4_Mod::~IEEE_802_15_4_Mod()
{
closeUDP();
// closeUDP();
disconnect(m_networkManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(networkManagerFinished(QNetworkReply*)));
delete m_networkManager;
m_deviceAPI->removeChannelSourceAPI(this);
@ -214,17 +212,6 @@ void IEEE_802_15_4_Mod::applySettings(const IEEE_802_15_4_ModSettings& settings,
reverseAPIKeys.append("udpPort");
}
if ((settings.m_udpEnabled != m_settings.m_udpEnabled)
|| (settings.m_udpAddress != m_settings.m_udpAddress)
|| (settings.m_udpPort != m_settings.m_udpPort)
|| force)
{
if (settings.m_udpEnabled)
openUDP(settings);
else
closeUDP();
}
if (m_settings.m_streamIndex != settings.m_streamIndex)
{
if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
@ -623,44 +610,3 @@ ScopeVis *IEEE_802_15_4_Mod::getScopeSink()
{
return m_basebandSource->getScopeSink();
}
void IEEE_802_15_4_Mod::openUDP(const IEEE_802_15_4_ModSettings& settings)
{
closeUDP();
m_udpSocket = new QUdpSocket();
if (!m_udpSocket->bind(QHostAddress(settings.m_udpAddress), settings.m_udpPort))
qCritical() << "IEEE_802_15_4_Mod::openUDP: Failed to bind to port " << settings.m_udpAddress << ":" << settings.m_udpPort << ". Error: " << m_udpSocket->error();
else
qDebug() << "IEEE_802_15_4_Mod::openUDP: Listening for packets on " << settings.m_udpAddress << ":" << settings.m_udpPort;
connect(m_udpSocket, &QUdpSocket::readyRead, this, &IEEE_802_15_4_Mod::udpRx);
}
void IEEE_802_15_4_Mod::closeUDP()
{
if (m_udpSocket != nullptr)
{
disconnect(m_udpSocket, &QUdpSocket::readyRead, this, &IEEE_802_15_4_Mod::udpRx);
delete m_udpSocket;
m_udpSocket = nullptr;
}
}
void IEEE_802_15_4_Mod::udpRx()
{
while (m_udpSocket->hasPendingDatagrams())
{
QNetworkDatagram datagram = m_udpSocket->receiveDatagram();
if (m_settings.m_udpBytesFormat)
{
IEEE_802_15_4_Mod::MsgTxBytes *msg = IEEE_802_15_4_Mod::MsgTxBytes::create(datagram.data());
m_basebandSource->getInputMessageQueue()->push(msg);
}
else
{
// Convert from binary to hex string
QString string = datagram.data().toHex(' ');
IEEE_802_15_4_Mod::MsgTxHexString *msg = IEEE_802_15_4_Mod::MsgTxHexString::create(string);
m_basebandSource->getInputMessageQueue()->push(msg);
}
}
}

23
plugins/channeltx/mod802.15.4/ieee_802_15_4_mod.h
View File

@ -87,24 +87,6 @@ public:
{ }
};
class MsgTxBytes : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgTxBytes* create(QByteArray data) {
return new MsgTxBytes(data);
}
QByteArray m_data;
private:
MsgTxBytes(QByteArray data) :
Message(),
m_data(data)
{ }
};
//=================================================================
IEEE_802_15_4_Mod(DeviceAPI *deviceAPI);
@ -183,7 +165,7 @@ private:
QNetworkAccessManager *m_networkManager;
QNetworkRequest m_networkRequest;
QUdpSocket *m_udpSocket;
// QUdpSocket *m_udpSocket;
void applySettings(const IEEE_802_15_4_ModSettings& settings, bool force = false);
void webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response);
@ -200,12 +182,9 @@ private:
const IEEE_802_15_4_ModSettings& settings,
bool force
);
void openUDP(const IEEE_802_15_4_ModSettings& settings);
void closeUDP();
private slots:
void networkManagerFinished(QNetworkReply *reply);
void udpRx();
};

27
plugins/channeltx/mod802.15.4/ieee_802_15_4_modbaseband.cpp
View File

@ -153,13 +153,6 @@ bool IEEE_802_15_4_ModBaseband::handleMessage(const Message& cmd)
return true;
}
else if (IEEE_802_15_4_Mod::MsgTxBytes::match(cmd))
{
IEEE_802_15_4_Mod::MsgTxBytes& tx = (IEEE_802_15_4_Mod::MsgTxBytes&) cmd;
m_source.addTxFrame(tx.m_data);
return true;
}
else if (DSPSignalNotification::match(cmd))
{
QMutexLocker mutexLocker(&m_mutex);
@ -188,6 +181,26 @@ void IEEE_802_15_4_ModBaseband::applySettings(const IEEE_802_15_4_ModSettings& s
m_source.applySettings(settings, force);
if ((settings.m_udpEnabled != m_settings.m_udpEnabled)
|| (settings.m_udpAddress != m_settings.m_udpAddress)
|| (settings.m_udpPort != m_settings.m_udpPort)
|| force)
{
qDebug() << "IEEE_802_15_4_ModBaseband::applySettings:"
<< " m_udpEnabled" << settings.m_udpEnabled
<< " m_udpAddress: " << settings.m_udpAddress
<< " m_udpPort" << settings.m_udpPort;
IEEE_802_15_4_ModSource::MsgCloseUDP *msg = IEEE_802_15_4_ModSource::MsgCloseUDP::create();
m_source.getInputMessageQueue()->push(msg);
if (settings.m_udpEnabled)
{
IEEE_802_15_4_ModSource::MsgOpenUDP *msg = IEEE_802_15_4_ModSource::MsgOpenUDP::create(settings.m_udpAddress, settings.m_udpPort);
m_source.getInputMessageQueue()->push(msg);
}
}
m_settings = settings;
}

1
plugins/channeltx/mod802.15.4/ieee_802_15_4_modsettings.h
View File

@ -66,6 +66,7 @@ struct IEEE_802_15_4_ModSettings
bool m_udpBytesFormat; //!< true for bytes payload
QString m_udpAddress;
uint16_t m_udpPort;
static const int m_udpBufferSize = 100000;
IEEE_802_15_4_ModSettings();
void resetToDefaults();

129
plugins/channeltx/mod802.15.4/ieee_802_15_4_modsource.cpp
View File

@ -18,12 +18,17 @@
#include <cctype>
#include <QDebug>
#include <QUdpSocket>
#include <QNetworkDatagram>
#include "dsp/basebandsamplesink.h"
#include "dsp/scopevis.h"
#include "ieee_802_15_4_modsource.h"
#include "util/crc.h"
MESSAGE_CLASS_DEFINITION(IEEE_802_15_4_ModSource::MsgCloseUDP, Message)
MESSAGE_CLASS_DEFINITION(IEEE_802_15_4_ModSource::MsgOpenUDP, Message)
IEEE_802_15_4_ModSource::IEEE_802_15_4_ModSource() :
m_channelSampleRate(3000000),
m_channelFrequencyOffset(0),
@ -45,7 +50,8 @@ IEEE_802_15_4_ModSource::IEEE_802_15_4_ModSource() :
m_state(idle),
m_byteIdx(0),
m_bitIdx(0),
m_bitCount(0)
m_bitCount(0),
m_udpSocket(nullptr)
{
m_lowpass.create(301, m_channelSampleRate, 22000.0 / 2.0);
m_pulseShapeI.create(1, 6, m_channelSampleRate/300000, true);
@ -54,10 +60,12 @@ IEEE_802_15_4_ModSource::IEEE_802_15_4_ModSource() :
m_scopeSampleBuffer.resize(m_scopeSampleBufferSize);
applySettings(m_settings, true);
applyChannelSettings(m_channelSampleRate, m_channelFrequencyOffset, true);
connect(&m_inputMessageQueue, SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));
}
IEEE_802_15_4_ModSource::~IEEE_802_15_4_ModSource()
{
closeUDP();
delete[] m_sinLUT;
}
@ -328,16 +336,24 @@ void IEEE_802_15_4_ModSource::applySettings(const IEEE_802_15_4_ModSettings& set
m_bitsPerSymbol = 4;
m_chipsPerSymbol = settings.m_subGHzBand ? 16 : 32;
}
m_chipRate = settings.m_bitRate * m_chipsPerSymbol / m_bitsPerSymbol;
m_samplesPerChip = m_channelSampleRate / m_chipRate;
qDebug() << "m_samplesPerChip: " << m_samplesPerChip;
if (m_channelSampleRate % m_chipRate != 0)
qCritical("Sample rate is not an integer multiple of the chip rate");
if (m_samplesPerChip <= 2)
qCritical("Sample rate is not a high enough multiple of the chip rate");
if ((settings.m_pulseShaping != m_settings.m_pulseShaping) || (settings.m_beta != m_settings.m_beta) || (settings.m_symbolSpan != m_settings.m_symbolSpan)
|| (settings.m_bitRate != m_settings.m_bitRate) || (settings.m_modulation != m_settings.m_modulation)
if (m_channelSampleRate % m_chipRate != 0) {
qCritical("Sample rate is not an integer multiple of the chip rate");
}
if (m_samplesPerChip <= 2) {
qCritical("Sample rate is not a high enough multiple of the chip rate");
}
if ((settings.m_pulseShaping != m_settings.m_pulseShaping)
|| (settings.m_beta != m_settings.m_beta)
|| (settings.m_symbolSpan != m_settings.m_symbolSpan)
|| (settings.m_bitRate != m_settings.m_bitRate)
|| (settings.m_modulation != m_settings.m_modulation)
|| (settings.m_subGHzBand != m_settings.m_subGHzBand)
|| force)
{
@ -349,16 +365,21 @@ void IEEE_802_15_4_ModSource::applySettings(const IEEE_802_15_4_ModSettings& set
<< " subGHzBand: " << settings.m_subGHzBand
<< " bitRate:" << settings.m_bitRate
<< " chipRate:" << m_chipRate;
if (settings.m_pulseShaping == IEEE_802_15_4_ModSettings::RC)
{
m_pulseShapeI.create(settings.m_beta, m_settings.m_symbolSpan, m_channelSampleRate/m_chipRate, true);
m_pulseShapeQ.create(settings.m_beta, m_settings.m_symbolSpan, m_channelSampleRate/m_chipRate, true);
}
else
createHalfSine(m_channelSampleRate, m_chipRate);
{
createHalfSine(m_channelSampleRate, m_chipRate);
}
}
if ((settings.m_polynomial != m_settings.m_polynomial) || force)
if ((settings.m_polynomial != m_settings.m_polynomial) || force) {
m_scrambler.setPolynomial(settings.m_polynomial);
}
m_settings = settings;
@ -613,7 +634,6 @@ void IEEE_802_15_4_ModSource::addTxFrame(const QByteArray& data)
// Dump frame
QByteArray qb((char *)m_bits, p-m_bits);
qDebug() << "IEEE_802_15_4_ModSource::addTxFrame: Tx: " << qb.toHex();
// Save number of bits in frame
m_bitCount = m_bitCountTotal = (p-&m_bits[0]) * 8;
@ -621,8 +641,93 @@ void IEEE_802_15_4_ModSource::addTxFrame(const QByteArray& data)
m_frameRepeatCount = m_settings.m_repeatCount;
initTX();
if (m_settings.m_writeToFile)
if (m_settings.m_writeToFile) {
m_basebandFile.open("IEEE_802_15_4_Mod.csv", std::ofstream::out);
else if (m_basebandFile.is_open())
} else if (m_basebandFile.is_open()) {
m_basebandFile.close();
}
}
void IEEE_802_15_4_ModSource::handleInputMessages()
{
Message* message;
while ((message = m_inputMessageQueue.pop()) != nullptr)
{
if (handleMessage(*message)) {
delete message;
}
}
}
bool IEEE_802_15_4_ModSource::handleMessage(const Message& msg)
{
if (MsgOpenUDP::match(msg))
{
qDebug("IEEE_802_15_4_ModSource::handleMessage: MsgOpenUDP");
const MsgOpenUDP& cmd = (const MsgOpenUDP&) msg;
openUDP(cmd.getUDPAddress(), cmd.getUDPPort());
return true;
}
else if (MsgCloseUDP::match(msg))
{
qDebug("IEEE_802_15_4_ModSource::handleMessage: MsgCloseUDP");
closeUDP();
return true;
}
else
{
return false;
}
}
void IEEE_802_15_4_ModSource::closeUDP()
{
if (m_udpSocket != nullptr)
{
disconnect(m_udpSocket, &QUdpSocket::readyRead, this, &IEEE_802_15_4_ModSource::udpRx);
delete m_udpSocket;
m_udpSocket = nullptr;
}
}
void IEEE_802_15_4_ModSource::openUDP(const QString& udpAddress, uint16_t udpPort)
{
m_udpSocket = new QUdpSocket();
if (m_udpSocket->bind(QHostAddress(udpAddress), udpPort))
{
connect(m_udpSocket, &QUdpSocket::readyRead, this, &IEEE_802_15_4_ModSource::udpRx);
qDebug() << "IEEE_802_15_4_ModSource::openUDP: Listening for packets on "
<< udpAddress << ":"
<< udpPort;
m_udpSocket->setSocketOption(QAbstractSocket::ReceiveBufferSizeSocketOption, IEEE_802_15_4_ModSettings::m_udpBufferSize);
}
else
{
qCritical() << "IEEE_802_15_4_Mod::openUDP: Failed to bind to port "
<< udpAddress << ":"
<< udpPort
<< ". Error: " << m_udpSocket->error();
}
}
void IEEE_802_15_4_ModSource::udpRx()
{
while (m_udpSocket->hasPendingDatagrams())
{
QNetworkDatagram datagram = m_udpSocket->receiveDatagram();
QByteArray data = datagram.data();
qDebug() << "IEEE_802_15_4_ModSource::udpRx: " << data.toHex();
if (m_settings.m_udpBytesFormat)
{
addTxFrame(data);
}
else
{
QString string = data.toHex(' ');
addTxFrame(string);
}
}
}

52
plugins/channeltx/mod802.15.4/ieee_802_15_4_modsource.h
View File

@ -34,15 +34,55 @@
#include "dsp/fmpreemphasis.h"
#include "util/lfsr.h"
#include "util/movingaverage.h"
#include "util/message.h"
#include "ieee_802_15_4_modsettings.h"
class BasebandSampleSink;
class ScopeVis;
class QUdpSocket;
class IEEE_802_15_4_ModSource : public ChannelSampleSource
class IEEE_802_15_4_ModSource : public QObject, public ChannelSampleSource
{
Q_OBJECT
public:
class MsgCloseUDP : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgCloseUDP* create() {
return new MsgCloseUDP();
}
private:
MsgCloseUDP() :
Message()
{ }
};
class MsgOpenUDP : public Message {
MESSAGE_CLASS_DECLARATION
public:
static MsgOpenUDP* create(const QString& udpAddress, uint16_t udpPort) {
return new MsgOpenUDP(udpAddress, udpPort);
}
const QString& getUDPAddress() const { return m_udpAddress; }
uint16_t getUDPPort() const { return m_udpPort; }
private:
QString m_udpAddress;
uint16_t m_udpPort;
MsgOpenUDP(const QString& udpAddress, uint16_t udpPort) :
Message(),
m_udpAddress(udpAddress),
m_udpPort(udpPort)
{ }
};
IEEE_802_15_4_ModSource();
virtual ~IEEE_802_15_4_ModSource();
@ -57,10 +97,12 @@ public:
peakLevel = m_peakLevelOut;
numSamples = m_levelNbSamples;
}
MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
void setSpectrumSink(BasebandSampleSink *sampleSink) { m_spectrumSink = sampleSink; }
void setScopeSink(ScopeVis* scopeSink) { m_scopeSink = scopeSink; }
void applySettings(const IEEE_802_15_4_ModSettings& settings, bool force = false);
void applyChannelSettings(int channelSampleRate, int channelFrequencyOffset, bool force = false);
bool handleMessage(const Message& cmd);
void addTxFrame(const QString& data);
void addTxFrame(const QByteArray& data);
@ -130,14 +172,17 @@ private:
int m_bitIdx; // Index in to current byte of m_bits
int m_bitCount; // Count of number of valid bits in m_bits
int m_bitCountTotal;
std::ofstream m_basebandFile; // For debug output of baseband waveform
QUdpSocket *m_udpSocket;
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
bool chipsValid(); // Are there any chips to transmit
int getSymbol();
int getChip();
void convert(const QString dataStr, QByteArray& data);
void initTX();
void openUDP(const QString& udpAddress, uint16_t udpPort);
void closeUDP();
void createHalfSine(int sampleRate, int chipRate);
void calculateLevel(Real& sample);
@ -145,6 +190,9 @@ private:
void sampleToSpectrum(Complex sample);
void sampleToScope(Complex sample);
private slots:
void handleInputMessages();
void udpRx();
};
#endif // INCLUDE_IEEE_802_15_4_MODSOURCE_H