Morse Decoder: adeed scope and set bytes block size appropriately plus minor changes

plugins/feature/morsedecoder/morsedecoder.cpp

@@ -128,9 +128,13 @@ void MorseDecoder::start()
     m_state = StRunning;
     m_thread->start();
 
-    MorseDecoderWorker::MsgConfigureMorseDecoderWorker *msg
+    MorseDecoderWorker::MsgConfigureMorseDecoderWorker *msgConfigure
         = MorseDecoderWorker::MsgConfigureMorseDecoderWorker::create(m_settings, QList<QString>(), true);
-    m_worker->getInputMessageQueue()->push(msg);
+    m_worker->getInputMessageQueue()->push(msgConfigure);
+
+    MorseDecoderWorker::MsgConfigureSampleRate *msgSampleRate
+        = MorseDecoderWorker::MsgConfigureSampleRate::create(m_sampleRate);
+    m_worker->getInputMessageQueue()->push(msgSampleRate);
 
     if (m_dataPipe)
     {
@@ -217,6 +221,7 @@ bool MorseDecoder::handleMessage(const Message& cmd)
         if (report.getChannelAPI() == m_selectedChannel)
         {
             m_sampleRate = report.getSampleRate();
+            qDebug("MorseDecoder::handleMessage: MainCore::MsgChannelDemodReport: %d S/s", m_sampleRate);
 
             if (m_running) {
                 m_worker->applySampleRate(m_sampleRate);

plugins/feature/morsedecoder/morsedecodergui.cpp

@@ -196,7 +196,7 @@ MorseDecoderGUI::MorseDecoderGUI(PluginAPI* pluginAPI, FeatureUISet *featureUISe
     m_scopeVis = m_morseDecoder->getScopeVis();
     m_scopeVis->setGLScope(ui->glScope);
     ui->scopeGUI->setBuddies(m_scopeVis->getInputMessageQueue(), m_scopeVis, ui->glScope);
-    m_scopeVis->setLiveRate(1484/4.7488);
+    m_scopeVis->setLiveRate(4800); // 1 second
 
     connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(onMenuDialogCalled(const QPoint &)));
     connect(getInputMessageQueue(), SIGNAL(messageEnqueued()), this, SLOT(handleInputMessages()));

plugins/feature/morsedecoder/morsedecodersettings.cpp

@@ -270,16 +270,26 @@ QString MorseDecoderSettings::formatText(const QString& text)
 {
     // Format text
     QString showText = text.simplified();
+    QString spaceFirst;
+    QString spaceLast;
 
-    if (text.size() > 3)
+    if (text.size() >= 2)
     {
         if (text.right(1)[0].isSpace()) {
-            showText.append(text.right(1));
+            spaceLast = text.right(1);
         }
         if (text.left(1)[0].isSpace()) {
-            showText = text.left(1) + showText;
+            spaceFirst = text.left(1);
         }
     }
 
+    if (spaceFirst.size() != 0) {
+        showText = spaceFirst + showText;
+    }
+
+    if (spaceLast.size() != 0) {
+        showText.append(spaceLast);
+    }
+
     return showText;
 }

plugins/feature/morsedecoder/morsedecoderworker.cpp

@@ -25,6 +25,7 @@
 #include "morsedecoderworker.h"
 
 MESSAGE_CLASS_DEFINITION(MorseDecoderWorker::MsgConfigureMorseDecoderWorker, Message)
+MESSAGE_CLASS_DEFINITION(MorseDecoderWorker::MsgConfigureSampleRate, Message)
 MESSAGE_CLASS_DEFINITION(MorseDecoderWorker::MsgConnectFifo, Message)
 
 MorseDecoderWorker::MorseDecoderWorker() :
@@ -92,42 +93,17 @@ void MorseDecoderWorker::feedPart(
     DataFifo::DataType dataType
 )
 {
+    if (dataType != DataFifo::DataTypeI16) {
+        return;
+    }
+
     int countBytes = end - begin;
     int bytesLeft = m_bytesBufferSize - m_bytesBufferCount;
 
-    if (dataType == DataFifo::DataTypeCI16) // (re, im) -> one sample conversion
+    if (countBytes > m_bytesBufferSize) {
-    {
+        return;
-        countBytes /= 2;
-
-        if (countBytes != m_convBuffer.size()) {
-            m_convBuffer.resize(countBytes);
     }
 
-        int16_t *s = (int16_t*) begin;
-        int16_t *b = (int16_t*) m_convBuffer.begin();
-
-        for (int is = 0; is < countBytes; is++)
-        {
-            int32_t re = s[2*is];
-            int32_t im = s[2*is+1];
-            b[is] = (int16_t) ((re+im) / 2);
-        }
-
-        if (countBytes >= bytesLeft)
-        {
-            std::copy(m_convBuffer.begin(), m_convBuffer.begin() + bytesLeft, m_bytesBuffer.begin() + m_bytesBufferCount); // fill buffer
-            int unprocessedBytes = processBuffer(m_convBuffer, countBytes);
-            std::copy(m_convBuffer.begin() + bytesLeft - unprocessedBytes, m_convBuffer.end(), m_bytesBuffer.begin());
-            m_bytesBufferCount = bytesLeft + unprocessedBytes;
-        }
-        else
-        {
-            std::copy(m_convBuffer.begin(), m_convBuffer.end(), m_bytesBuffer.begin() + m_bytesBufferCount);
-            m_bytesBufferCount += countBytes;
-        }
-    }
-    else
-    {
     if (countBytes >= bytesLeft)
     {
         std::copy(begin, begin + bytesLeft, m_bytesBuffer.begin() + m_bytesBufferCount); // fill buffer
@@ -141,7 +117,6 @@ void MorseDecoderWorker::feedPart(
         m_bytesBufferCount += countBytes;
     }
 }
-}
 
 int MorseDecoderWorker::processBuffer(QByteArray& bytesBuffer, int countBytes)
 {
@@ -203,27 +178,31 @@ int MorseDecoderWorker::processBuffer(QByteArray& bytesBuffer, int countBytes)
             int traceSize = m_ggMorse->takeSignalF(trace);
             std::vector<float> thresholds;
             int thrSize = m_ggMorse->takeThresholdF(thresholds);
-            qDebug("MorseDecoderWorker::processBuffer: traceSize: %d thrSize: %d", traceSize, thrSize);
+            // qDebug("MorseDecoderWorker::processBuffer: traceSize: %d thrSize: %d", traceSize, thrSize);
             int i = 0;
-            int d = (traceSize / thrSize) + 1;
+            float ftrace = traceSize / 4800.0f; // interpolation to scope basic trace size
+            float fthres = thrSize / 4800.0f;
 
             if (traceSize != 0)
             {
                 SampleVector strace;
-                strace.resize(traceSize);
+                strace.resize(4800, 0);
-                std::transform(
+                std::for_each(
-                    trace.begin(),
-                    trace.end(),
                     strace.begin(),
-                    [&](float& t) {
+                    strace.end(),
-                        float im = thresholds[i/d];
+                    [&](Sample& s)
+                    {
+                        int itrace = ftrace * i;
+                        int ithres = fthres * i;
+                        float re = trace[itrace];
+                        float im = thresholds[ithres];
                         i++;
-                        return Sample(t*SDR_RX_SCALEF, im*SDR_RX_SCALEF);
+                        s = Sample(re*SDR_RX_SCALEF, im*SDR_RX_SCALEF);
                     }
                 );
                 std::vector<SampleVector::const_iterator> vbegin;
                 vbegin.push_back(strace.begin());
-                m_scopeVis->feed(vbegin, traceSize);
+                m_scopeVis->feed(vbegin, 4800);
             }
         }
     }
@@ -255,6 +234,15 @@ bool MorseDecoderWorker::handleMessage(const Message& cmd)
 
         return true;
     }
+    else if (MsgConfigureSampleRate::match(cmd))
+    {
+        QMutexLocker mutexLocker(&m_mutex);
+        MsgConfigureSampleRate& cfg = (MsgConfigureSampleRate&) cmd;
+        qDebug("MorseDecoderWorker::handleMessage: MsgConfigureSampleRate");
+        applySampleRate(cfg.getSampleRate());
+
+        return true;
+    }
     else if (MsgConnectFifo::match(cmd))
     {
         QMutexLocker mutexLocker(&m_mutex);
@@ -323,14 +311,18 @@ void MorseDecoderWorker::applySettings(const MorseDecoderSettings& settings, con
 
 void MorseDecoderWorker::applySampleRate(int sampleRate)
 {
-    QMutexLocker mutexLocker(&m_mutex);
     m_sinkSampleRate = sampleRate;
     m_ggMorseParameters->sampleRateInp = sampleRate;
     int ggMorseBlockSize = (sampleRate / GGMorse::kBaseSampleRate)*GGMorse::kDefaultSamplesPerFrame;
-    // m_bytesBufferSize = (GGMorse::kBaseSampleRate/GGMorse::kDefaultSamplesPerFrame)*ggMorseBlockSize*10; // ~5s
+    m_bytesBufferSize = 64*ggMorseBlockSize*2;
-    m_bytesBufferSize = sampleRate*9.4976; // + ggMorseBlockSize;
     m_bytesBuffer.resize(m_bytesBufferSize);
     m_bytesBufferCount = 0;
+    float seconds = m_bytesBufferSize/(sampleRate*2.0f);
+
+    if (m_scopeVis) {
+        m_scopeVis->setLiveRate(4800/seconds);
+    }
+
     qDebug("MorseDecoderWorker::applySampleRate: m_sinkSampleRate: %d ggMorseBlockSize: %d m_bytesBufferSize: %d",
         m_sinkSampleRate, ggMorseBlockSize, m_bytesBufferSize);
 }

plugins/feature/morsedecoder/morsedecoderworker.h

@@ -65,6 +65,26 @@ public:
         { }
     };
 
+    class MsgConfigureSampleRate : public Message {
+        MESSAGE_CLASS_DECLARATION
+
+    public:
+        int getSampleRate() const { return m_sampleRate; }
+
+        static MsgConfigureSampleRate* create(int sampleRate)
+        {
+            return new MsgConfigureSampleRate(sampleRate);
+        }
+
+    private:
+        int m_sampleRate;
+
+        MsgConfigureSampleRate(int sampleRate) :
+            Message(),
+            m_sampleRate(sampleRate)
+        { }
+    };
+
     class MsgConnectFifo : public Message {
         MESSAGE_CLASS_DECLARATION