Added cycle frequency diagnostic into GraphDlg

CompEphys-team · Oct 13, 2016 · 1398c1e · 1398c1e
1 parent 6e47c82
commit 1398c1e
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Showing 3 changed files with 31 additions and 0 deletions.
diff --git a/src/gui/GraphDlg.cpp b/src/gui/GraphDlg.cpp
@@ -162,16 +162,27 @@ void GraphDlg::replot()
     QCPRange range = ui->plot->graph()->getKeyRange(rangeFound);
 
     DataPoint point;
+
+    if ( initial && q[0]->pop(point) ) {
+        initial = false;
+        t0 = point.t;
+    }
+
     int i = 0;
     double fac;
+    double tNow;
     for ( auto &queue : q ) {
         if ( Graphp[i].isVoltage )
             fac = 1e3;
         else
             fac = 1e9;
         while ( queue->pop(point) ) {
             ui->plot->graph(i)->addData(point.t, point.value * fac);
+            if ( !i )
+                ++nPoints;
         }
+        if ( !i )
+            tNow = point.t;
         ++i;
     }
 
@@ -182,4 +193,6 @@ void GraphDlg::replot()
             ui->plot->xAxis->moveRange(point.t - xUpper);
     }
     ui->plot->replot(QCustomPlot::rpQueuedReplot);
+
+    ui->cycleFreq->setText(QString::number(nPoints / (tNow - t0)));
 }
diff --git a/src/gui/GraphDlg.ui b/src/gui/GraphDlg.ui
@@ -96,6 +96,20 @@ color: rgb(170, 0, 0);</string>
      </property>
     </widget>
    </item>
+   <item row="1" column="3">
+    <widget class="QLabel" name="label_4">
+     <property name="text">
+      <string>Mean true sampling frequency (Hz):</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="4">
+    <widget class="QLabel" name="cycleFreq">
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>

diff --git a/src/include/GraphDlg.h b/src/include/GraphDlg.h
@@ -21,6 +21,10 @@ class GraphDlg : public QDialog
 
     QTimer dataTimer;
 
+    bool initial;
+    long long nPoints;
+    double t0;
+
 private slots:
     void replot();
     void channelIndexChanged();