Interferometer (1)

2026-06-05 07:24:44 -04:00 · 2019-08-19 02:08:41 +02:00
parent 3b9c22b77d
commit 3e70f3b966
23 changed files with 2087 additions and 0 deletions
@@ -0,0 +1,79 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2019 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 "device/deviceapi.h"
+#include "dsp/downchannelizer.h"
+#include "dsp/threadedbasebandsamplesink.h"
+
+#include "interferometer.h"
+
+const QString Interferometer::m_channelIdURI = "sdrangel.channel.interferometer";
+const QString Interferometer::m_channelId = "Interferometer";
+
+Interferometer::Interferometer(DeviceAPI *deviceAPI) :
+    ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
+    m_deviceAPI(deviceAPI),
+    m_correlator(4096),
+    m_spectrumSink(nullptr),
+    m_scopeSink(nullptr)
+{
+    m_correlator.setCorrIndex(1);
+    connect(&m_correlator, SIGNAL(dataReady(int, int)), this, SLOT(handleData(int, int)));
+
+    for (int i = 0; i < m_deviceAPI->getNbSourceStreams(); i++)
+    {
+        m_sinks.push_back(InterferometerSink(&m_correlator));
+        m_channelizers.push_back(new DownChannelizer(&m_sinks.back()));
+        m_threadedBasebandSampleSinks.push_back(new ThreadedBasebandSampleSink(m_channelizers.back(), &m_sinks.back()));
+        m_deviceAPI->addChannelSink(m_threadedBasebandSampleSinks.back(), i);
+
+        if (i == 2) { // 2 way interferometer
+            break;
+        }
+    }
+
+    m_deviceAPI->addChannelSinkAPI(this);
+    m_sinks.back().setProcessingUnit(true); // The last one is processed last by the engine
+}
+
+Interferometer::~Interferometer()
+{
+    while (!m_threadedBasebandSampleSinks.empty())
+    {
+        m_deviceAPI->removeChannelSink(m_threadedBasebandSampleSinks.back());
+        delete m_threadedBasebandSampleSinks.back();
+        m_threadedBasebandSampleSinks.pop_back();
+    }
+
+    while (!m_channelizers.empty())
+    {
+        delete m_channelizers.back();
+        m_channelizers.pop_back();
+    }
+
+    m_deviceAPI->removeChannelSinkAPI(this);
+}
+
+void Interferometer::handleData(int start, int stop)
+{
+    if ((m_settings.m_correlationType == InterferometerSettings::CorrelationAdd)
+     || (m_settings.m_correlationType == InterferometerSettings::CorrelationMultiply))
+    {
+
+
+    }
+}