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sdrangel/plugins/channelrx/chanalyzer/chanalyzer.cpp

140 lines
4.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// 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 //
// (at your option) any later version. //
// //
// 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 <QTime>
#include <QDebug>
#include <QThread>
#include <stdio.h>
#include "device/deviceapi.h"
#include "audio/audiooutput.h"
#include "dsp/dspcommands.h"
#include "chanalyzer.h"
MESSAGE_CLASS_DEFINITION(ChannelAnalyzer::MsgConfigureChannelAnalyzer, Message)
const QString ChannelAnalyzer::m_channelIdURI = "sdrangel.channel.chanalyzer";
const QString ChannelAnalyzer::m_channelId = "ChannelAnalyzer";
ChannelAnalyzer::ChannelAnalyzer(DeviceAPI *deviceAPI) :
ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
m_deviceAPI(deviceAPI),
m_basebandSampleRate(0)
{
qDebug("ChannelAnalyzer::ChannelAnalyzer");
setObjectName(m_channelId);
m_thread = new QThread(this);
m_basebandSink = new ChannelAnalyzerBaseband();
m_basebandSink->moveToThread(m_thread);
applySettings(m_settings, true);
m_deviceAPI->addChannelSink(this);
m_deviceAPI->addChannelSinkAPI(this);
}
ChannelAnalyzer::~ChannelAnalyzer()
{
m_deviceAPI->removeChannelSinkAPI(this);
m_deviceAPI->removeChannelSink(this);
delete m_basebandSink;
delete m_thread;
}
void ChannelAnalyzer::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool positiveOnly)
{
(void) positiveOnly;
m_basebandSink->feed(begin, end);
}
void ChannelAnalyzer::start()
{
qDebug() << "ChannelAnalyzer::start";
if (m_basebandSampleRate != 0) {
m_basebandSink->setBasebandSampleRate(m_basebandSampleRate);
}
m_basebandSink->reset();
m_thread->start();
}
void ChannelAnalyzer::stop()
{
qDebug() << "ChannelAnalyzer::stop";
m_thread->exit();
m_thread->wait();
}
bool ChannelAnalyzer::handleMessage(const Message& cmd)
{
if (MsgConfigureChannelAnalyzer::match(cmd))
{
qDebug("ChannelAnalyzer::handleMessage: MsgConfigureChannelAnalyzer");
MsgConfigureChannelAnalyzer& cfg = (MsgConfigureChannelAnalyzer&) cmd;
applySettings(cfg.getSettings(), cfg.getForce());
return true;
}
else if (DSPSignalNotification::match(cmd))
{
DSPSignalNotification& cfg = (DSPSignalNotification&) cmd;
m_basebandSampleRate = cfg.getSampleRate();
DSPSignalNotification *notif = new DSPSignalNotification(cfg);
m_basebandSink->getInputMessageQueue()->push(notif);
if (getMessageQueueToGUI())
{
DSPSignalNotification *notifToGUI = new DSPSignalNotification(cfg);
getMessageQueueToGUI()->push(notifToGUI);
}
return true;
}
else
{
return false;
}
}
void ChannelAnalyzer::applySettings(const ChannelAnalyzerSettings& settings, bool force)
{
qDebug() << "ChannelAnalyzer::applySettings:"
<< " m_rationalDownSample: " << settings.m_rationalDownSample
<< " m_rationalDownSamplerRate: " << settings.m_rationalDownSamplerRate
<< " m_rcc: " << settings.m_rrc
<< " m_rrcRolloff: " << settings.m_rrcRolloff / 100.0
<< " m_bandwidth: " << settings.m_bandwidth
<< " m_lowCutoff: " << settings.m_lowCutoff
<< " m_log2Decim: " << settings.m_log2Decim
<< " m_ssb: " << settings.m_ssb
<< " m_pll: " << settings.m_pll
<< " m_fll: " << settings.m_fll
<< " m_pllPskOrder: " << settings.m_pllPskOrder
<< " m_inputType: " << (int) settings.m_inputType;
ChannelAnalyzerBaseband::MsgConfigureChannelAnalyzerBaseband *msg
= ChannelAnalyzerBaseband::MsgConfigureChannelAnalyzerBaseband::create(settings, force);
m_basebandSink->getInputMessageQueue()->push(msg);
m_settings = settings;
}