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UDPSink plugin: I/Q basic not working

This commit is contained in:
f4exb 2017-08-15 20:23:49 +02:00
parent ff9eb18a4f
commit 507677e5ec
4 changed files with 260 additions and 2 deletions

View File

@ -41,10 +41,12 @@ UDPSink::~UDPSink()
void UDPSink::start()
{
m_udpHandler.start();
}
void UDPSink::stop()
{
m_udpHandler.stop();
}
void UDPSink::pull(Sample& sample)
@ -94,8 +96,20 @@ void UDPSink::pull(Sample& sample)
void UDPSink::modulateSample()
{
m_modSample.real(0.0f); // TODO
m_modSample.imag(0.0f);
//Real t;
Sample s;
if (m_running.m_sampleFormat == FormatS16LE)
{
m_udpHandler.readSample(s);
m_modSample.real(s.m_real);
m_modSample.imag(s.m_imag);
}
else
{
m_modSample.real(0.0f);
m_modSample.imag(0.0f);
}
}
bool UDPSink::handleMessage(const Message& cmd)
@ -135,6 +149,8 @@ bool UDPSink::handleMessage(const Message& cmd)
m_config.m_udpPort = cfg.getUDPPort();
m_config.m_channelMute = cfg.getChannelMute();
apply(false);
m_settingsMutex.unlock();
qDebug() << "UDPSink::handleMessage: MsgUDPSinkConfigure:"
@ -202,5 +218,18 @@ void UDPSink::apply(bool force)
m_settingsMutex.unlock();
}
if ((m_config.m_udpAddressStr != m_running.m_udpAddressStr) ||
(m_config.m_udpPort != m_running.m_udpPort) || force)
{
m_udpHandler.configureUDPLink(m_config.m_udpAddressStr, m_config.m_udpPort);
}
if ((m_config.m_channelMute != m_running.m_channelMute) || force)
{
if (!m_config.m_channelMute) {
m_udpHandler.resetReadIndex();
}
}
m_running = m_config;
}

View File

@ -26,6 +26,8 @@
#include "dsp/nco.h"
#include "util/message.h"
#include "udpsinkudphandler.h"
class UDPSinkGUI;
class UDPSink : public BasebandSampleSource {
@ -187,6 +189,8 @@ private:
double m_magsq;
MovingAverage<double> m_movingAverage;
UDPSinkUDPHandler m_udpHandler;
QMutex m_settingsMutex;
void apply(bool force);

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@ -0,0 +1,158 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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 "udpsinkudphandler.h"
UDPSinkUDPHandler::UDPSinkUDPHandler() :
m_dataSocket(0),
m_dataAddress(QHostAddress::LocalHost),
m_remoteAddress(QHostAddress::LocalHost),
m_dataPort(9999),
m_dataConnected(false),
m_udpReadBytes(0),
m_writeIndex(0),
m_readFrameIndex(m_nbUDPFrames/2),
m_readIndex(0)
{
}
UDPSinkUDPHandler::~UDPSinkUDPHandler()
{
}
void UDPSinkUDPHandler::start()
{
qDebug("UDPSinkUDPHandler::start");
if (!m_dataSocket)
{
m_dataSocket = new QUdpSocket(this);
}
if (!m_dataConnected)
{
connect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()), Qt::QueuedConnection); // , Qt::QueuedConnection
if (m_dataSocket->bind(m_dataAddress, m_dataPort))
{
qDebug("UDPSinkUDPHandler::start: bind data socket to %s:%d", m_dataAddress.toString().toStdString().c_str(), m_dataPort);
m_dataConnected = true;
}
else
{
qWarning("UDPSinkUDPHandler::start: cannot bind data port %d", m_dataPort);
disconnect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
m_dataConnected = false;
}
}
}
void UDPSinkUDPHandler::stop()
{
qDebug("UDPSinkUDPHandler::stop");
if (m_dataConnected)
{
m_dataConnected = false;
disconnect(m_dataSocket, SIGNAL(readyRead()), this, SLOT(dataReadyRead()));
}
if (m_dataSocket)
{
delete m_dataSocket;
m_dataSocket = 0;
}
}
void UDPSinkUDPHandler::dataReadyRead()
{
while (m_dataSocket->hasPendingDatagrams() && m_dataConnected)
{
qint64 pendingDataSize = m_dataSocket->pendingDatagramSize();
m_udpReadBytes += m_dataSocket->readDatagram(&m_udpTmpBuf[m_udpReadBytes], pendingDataSize, &m_remoteAddress, 0);
if (m_udpReadBytes == m_udpBlockSize) {
moveData();
m_udpReadBytes = 0;
}
}
}
void UDPSinkUDPHandler::moveData()
{
memcpy(m_udpBuf[m_writeIndex], m_udpTmpBuf, m_udpBlockSize);
if (m_writeIndex < m_nbUDPFrames - 1) {
m_writeIndex++;
} else {
m_writeIndex = 0;
}
}
void UDPSinkUDPHandler::readSample(Real &t)
{
memcpy(&t, &m_udpBuf[m_readFrameIndex][m_readIndex], sizeof(Real));
advanceReadPointer((int) sizeof(Real));
}
void UDPSinkUDPHandler::readSample(Sample &s)
{
memcpy(&s, &m_udpBuf[m_readFrameIndex][m_readIndex], sizeof(Sample));
advanceReadPointer((int) sizeof(Sample));
}
void UDPSinkUDPHandler::advanceReadPointer(int nbBytes)
{
if (m_readIndex < m_udpBlockSize - 2*nbBytes)
{
m_readIndex += nbBytes;
}
else
{
m_readIndex = 0;
if (m_readFrameIndex < m_nbUDPFrames - 1) {
m_readFrameIndex++;
} else {
m_readFrameIndex = 0;
}
}
}
void UDPSinkUDPHandler::configureUDPLink(const QString& address, quint16 port)
{
qDebug("UDPSinkUDPHandler::configureUDPLink: %s:%d", address.toStdString().c_str(), port);
bool addressOK = m_dataAddress.setAddress(address);
if (!addressOK)
{
qWarning("UDPSinkUDPHandler::configureUDPLink: invalid address %s. Set to localhost.", address.toStdString().c_str());
m_dataAddress = QHostAddress::LocalHost;
}
stop();
m_dataPort = port;
resetReadIndex();
start();
}
void UDPSinkUDPHandler::resetReadIndex()
{
m_readFrameIndex = (m_writeIndex + (m_nbUDPFrames/2)) % m_nbUDPFrames;
m_readIndex = 0;
}

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@ -0,0 +1,67 @@
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef PLUGINS_CHANNELTX_UDPSINK_UDPSINKUDPHANDLER_H_
#define PLUGINS_CHANNELTX_UDPSINK_UDPSINKUDPHANDLER_H_
#include <QObject>
#include <QUdpSocket>
#include <QHostAddress>
#include <QMutex>
#include "dsp/dsptypes.h"
class UDPSinkUDPHandler : public QObject
{
Q_OBJECT
public:
UDPSinkUDPHandler();
virtual ~UDPSinkUDPHandler();
void start();
void stop();
void configureUDPLink(const QString& address, quint16 port);
void resetReadIndex();
void readSample(Real &t);
void readSample(Sample &s);
static const int m_udpBlockSize = 512; // UDP block size in number of bytes
static const int m_nbUDPFrames = 32; // number of frames of block size in the UDP buffer
public slots:
void dataReadyRead();
private:
void moveData();
void advanceReadPointer(int nbBytes);
QUdpSocket *m_dataSocket;
QHostAddress m_dataAddress;
QHostAddress m_remoteAddress;
quint16 m_dataPort;
bool m_dataConnected;
char m_udpTmpBuf[m_udpBlockSize];
qint64 m_udpReadBytes;
char m_udpBuf[m_nbUDPFrames][m_udpBlockSize];
int m_writeIndex;
int m_readFrameIndex;
int m_readIndex;
};
#endif /* PLUGINS_CHANNELTX_UDPSINK_UDPSINKUDPHANDLER_H_ */