tempo-plotter Changeset - b44879156c7c · protofusion repositories

Changeset - b44879156c7c

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[Not reviewed]

recording

0 5 0

Hasan Yavuz ÖZDERYA - 9 years ago 2017-02-12 15:04:38
hy@ozderya.net

implemented data writing not yet integrated

5 files changed with 68 insertions and 4 deletions:

CMakeLists.txt

src/datarecorder.cpp

src/datarecorder.h

src/recordpanel.cpp

src/recordpanel.h

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CMakeLists.txt

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@@ @@ -106,6 +106,7 @@ add_executable(${PROGRAM_NAME} WIN32 @@
   src/dataformatpanel.cpp
   src/plotcontrolpanel.cpp
   src/recordpanel.cpp
   src/datarecorder.cpp
   src/tooltipfilter.cpp
   src/sneakylineedit.cpp
   src/channelmanager.cpp

src/datarecorder.cpp

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@@ @@ -19,22 +19,67 @@ @@
 #include "datarecorder.h"
 DataRecorder::DataRecorder(QObject *parent) : QObject(parent)
 #include <QtDebug>
 DataRecorder::DataRecorder(QObject *parent) :
     QObject(parent),
     fileStream(&file)
+{
+    lastNumChannels = 0;
+}
 bool DataRecorder::startRecording(QString fileName, QStringList channelNames)
+{
     Q_ASSERT(!file.isOpen());
     // open file
     file.setFileName(fileName);
     if (!file.open(QIODevice::WriteOnly))
+    {
         qCritical() << "Opening file " << fileName
                     << " for recording failed with error: " << file.error();
         return false;
+    }
     // write header line
     if (!channelNames.isEmpty())
+    {
         fileStream << channelNames.join(",");
         fileStream << "\n";
         lastNumChannels = channelNames.length();
+    }
     return true;
+}
 void DataRecorder::addData(double* data, unsigned length, unsigned numOfChannels)
+{
     Q_ASSERT(length > 0);
     Q_ASSERT(length % numOfChannels == 0);
     if (lastNumChannels != 0 && numOfChannels != lastNumChannels)
+    {
         qWarning() << "Number of channels changed from " << lastNumChannels
                    << " to " << numOfChannels <<
             " during recording, CSV file is corrupted but no data will be lost.";
+    }
     lastNumChannels = numOfChannels;
     unsigned numOfSamples = length / numOfChannels; // per channel
     for (unsigned int i = 0; i < numOfSamples; i++)
+    {
         for (unsigned ci = 0; ci < numOfChannels; ci++)
+        {
             fileStream << data[ci * numOfSamples + i];
             if (ci != numOfChannels-1) fileStream << ",";
+        }
         fileStream << '\n';
+    }
+}
 void DataRecorder::stopRecording()
+{
     Q_ASSERT(file.isOpen());
     file.close();
     lastNumChannels = 0;
+}

src/datarecorder.h

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@@ @@ -21,6 +21,8 @@ @@
 #define DATARECORDER_H
 #include <QObject>
 #include <QFile>
 #include <QTextStream>
 class DataRecorder : public QObject
+{
@@ @@ -63,6 +65,8 @@ public: @@
 private:
     unsigned lastNumChannels;   ///< used for error message only
     QFile file;
     QTextStream fileStream;
 };
 #endif // DATARECORDER_H

src/recordpanel.cpp

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@@ @@ -33,7 +33,8 @@ RecordPanel::RecordPanel(QWidget *parent @@
     QWidget(parent),
     ui(new Ui::RecordPanel),
     recordToolBar(tr("Record Toolbar")),
     recordAction(QIcon::fromTheme("media-record"), tr("Record"), this)
     recordAction(QIcon::fromTheme("media-record"), tr("Record"), this),
     recorder(this)
+{
     overwriteSelected = false;
@@ @@ -196,12 +197,22 @@ bool RecordPanel::confirmOverwrite(QStri @@
 void RecordPanel::startRecording(void)
+{
     // TODO
     qDebug() << "start recording";
     // TEST CODE
     QStringList cn;
     cn << "chan0" << "chan1" << "chan2";
     recorder.startRecording(selectedFile, cn);
     // add test data
     double data[3] = {15., 15., 15.};
     recorder.addData(data, 3, 3);
+}
 void RecordPanel::stopRecording(void)
+{
     // TODO
     qDebug() << "stop recording";
     recorder.stopRecording();
+}

src/recordpanel.h

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@@ @@ -25,6 +25,8 @@ @@
 #include <QToolBar>
 #include <QAction>
 #include "datarecorder.h"
 namespace Ui {
 class RecordPanel;
+}
@@ @@ -45,6 +47,7 @@ private: @@
     QAction recordAction;
     QString selectedFile;
     bool overwriteSelected;
     DataRecorder recorder;
     /**
      * @brief Increments the file name.

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