Scope: save/load traces memory (1)

sdrbase/util/doublebuffer.h

@@ -20,6 +20,10 @@
 #include <vector>
 #include <algorithm>
 
+#include <QByteArray>
+
+#include "simpleserializer.h"
+
 template<typename T>
 class DoubleBufferSimple
 {
@@ -89,6 +93,48 @@ public:
 	unsigned int absoluteFill() const { return m_current - m_data.begin(); }
 	void reset() { m_current = m_data.begin(); }
 
+    QByteArray serialize() const
+    {
+        SimpleSerializer s(1);
+
+        QByteArray buf(reinterpret_cast<const char*>(m_data.data()), m_data.size()*sizeof(T));
+        s.writeS32(1, m_size);
+        s.writeU32(2, m_current - m_data.begin());
+        s.writeBlob(3, buf);
+
+        return s.final();
+    }
+
+    bool deserialize(const QByteArray& data)
+    {
+        SimpleDeserializer d(data);
+
+        if(!d.isValid()) {
+            return false;
+        }
+
+        if (d.getVersion() == 1)
+        {
+            unsigned int tmpUInt;
+            QByteArray buf;
+
+            d.readS32(1, &m_size, m_data.size()/2);
+            m_data.resize(2*m_size);
+            d.readU32(2, &tmpUInt, 0);
+            m_current = m_data.begin() + tmpUInt;
+            d.readBlob(3, &buf);
+            const T* begin = reinterpret_cast<T*>(buf.data());
+            const T* end = begin + (buf.length()/sizeof(T));
+            std::copy(m_data.begin(), begin, end);
+
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
 private:
 	int m_size;
 	std::vector<T> m_data;

sdrgui/gui/glscopegui.cpp

@@ -16,6 +16,7 @@
 ///////////////////////////////////////////////////////////////////////////////////
 
 #include <QColorDialog>
+#include <QFileDialog>
 
 #include "glscopegui.h"
 #include "glscope.h"
@@ -768,12 +769,43 @@ void GLScopeGUI::on_traceColor_clicked()
     }
 }
 
+void GLScopeGUI::on_memorySave_clicked(bool checked __attribute__((unused)))
+{
+    qDebug("GLScopeGUI::on_memorySave_clicked");
+    QString fileName = QFileDialog::getSaveFileName(this,
+        tr("Open trace memory file"), ".", tr("Trace memory files (*.trcm)"), 0, QFileDialog::DontUseNativeDialog);
+
+    if (fileName != "")
+    {
+        QFileInfo fileInfo(fileName);
+
+        if (fileInfo.suffix() != "trcm") {
+            fileName += ".trcm";
+        }
+
+        qDebug("GLScopeGUI::on_memorySave_clicked: %s", qPrintable(fileName));
+    }
+}
+
+void GLScopeGUI::on_memoryLoad_clicked(bool checked __attribute__((unused)))
+{
+    qDebug("GLScopeGUI::on_memoryLoad_clicked");
+
+    QString fileName = QFileDialog::getOpenFileName(this,
+        tr("Open trace memory file"), ".", tr("Trace memory files (*.trcm)"), 0, QFileDialog::DontUseNativeDialog);
+
+    if (fileName != "")
+    {
+        qDebug("GLScopeGUI::on_memoryLoad_clicked: %s", qPrintable(fileName));
+    }
+}
+
 void GLScopeGUI::on_mem_valueChanged(int value)
 {
     QString text;
     text.sprintf("%02d", value);
     ui->memText->setText(text);
-   	disableLiveMode(value > 0); // block trigger UI line if memory is active
+   	disableLiveMode(value > 0); // live / memory mode toggle
    	m_scopeVis->setMemoryIndex(value);
 }
 
@@ -1224,6 +1256,8 @@ void GLScopeGUI::disableLiveMode(bool disable)
     ui->trigPre->setEnabled(!disable);
     ui->trigOneShot->setEnabled(!disable);
     ui->freerun->setEnabled(!disable);
+    ui->memorySave->setEnabled(disable);
+    ui->memoryLoad->setEnabled(disable);
 }
 
 void GLScopeGUI::fillTraceData(ScopeVis::TraceData& traceData)

sdrgui/gui/glscopegui.h

@@ -211,6 +211,8 @@ private slots:
     void on_traceDelayFine_valueChanged(int value);
     void on_traceView_toggled(bool checked);
     void on_traceColor_clicked();
+    void on_memorySave_clicked(bool checked);
+    void on_memoryLoad_clicked(bool checked);
     void on_mem_valueChanged(int value);
     // Third row
     void on_trig_valueChanged(int value);

sdrgui/gui/glscopegui.ui

@@ -1102,6 +1102,71 @@ kS/s</string>
        </property>
       </widget>
      </item>
+     <item>
+      <layout class="QVBoxLayout" name="memoryLoadSaveLayout">
+       <property name="spacing">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="QPushButton" name="memorySave">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>18</width>
+           <height>18</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Save traces in memory</string>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources/res.qrc">
+           <normaloff>:/save.png</normaloff>:/save.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>16</width>
+           <height>16</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="memoryLoad">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>18</width>
+           <height>18</height>
+          </size>
+         </property>
+         <property name="toolTip">
+          <string>Load traces into memory</string>
+         </property>
+         <property name="text">
+          <string/>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources/res.qrc">
+           <normaloff>:/load.png</normaloff>:/load.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>16</width>
+           <height>16</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
      <item>
       <widget class="QLabel" name="memLabel">
        <property name="text">