Changeset - b44879156c7c
[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:
0 comments (0 inline, 0 general)
CMakeLists.txt
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@@ -61,96 +61,97 @@ include_directories("./src" ${QWT_INCLUD
 

	
 
# wrap UI and resource files
 
qt5_wrap_ui(UI_FILES
 
  src/mainwindow.ui
 
  src/portcontrol.ui
 
  src/about_dialog.ui
 
  src/snapshotview.ui
 
  src/commandpanel.ui
 
  src/commandwidget.ui
 
  src/dataformatpanel.ui
 
  src/plotcontrolpanel.ui
 
  src/recordpanel.ui
 
  src/numberformatbox.ui
 
  src/endiannessbox.ui
 
  src/binarystreamreadersettings.ui
 
  src/asciireadersettings.ui
 
  src/framedreadersettings.ui
 
  )
 

	
 
if (WIN32)
 
  qt5_add_resources(RES_FILES misc/icons.qrc misc/winicons.qrc)
 
else (WIN32)
 
  qt5_add_resources(RES_FILES misc/icons.qrc)
 
endif (WIN32)
 

	
 
add_executable(${PROGRAM_NAME} WIN32
 
  src/main.cpp
 
  src/mainwindow.cpp
 
  src/portcontrol.cpp
 
  src/plot.cpp
 
  src/zoomer.cpp
 
  src/scrollzoomer.cpp
 
  src/scrollbar.cpp
 
  src/hidabletabwidget.cpp
 
  src/framebuffer.cpp
 
  src/scalepicker.cpp
 
  src/scalezoomer.cpp
 
  src/portlist.cpp
 
  src/snapshot.cpp
 
  src/snapshotview.cpp
 
  src/snapshotmanager.cpp
 
  src/plotsnapshotoverlay.cpp
 
  src/commandpanel.cpp
 
  src/commandwidget.cpp
 
  src/commandedit.cpp
 
  src/dataformatpanel.cpp
 
  src/plotcontrolpanel.cpp
 
  src/recordpanel.cpp
 
  src/datarecorder.cpp
 
  src/tooltipfilter.cpp
 
  src/sneakylineedit.cpp
 
  src/channelmanager.cpp
 
  src/channelinfomodel.cpp
 
  src/framebufferseries.cpp
 
  src/numberformatbox.cpp
 
  src/endiannessbox.cpp
 
  src/abstractreader.cpp
 
  src/binarystreamreader.cpp
 
  src/binarystreamreadersettings.cpp
 
  src/asciireader.cpp
 
  src/asciireadersettings.cpp
 
  src/demoreader.cpp
 
  src/framedreader.cpp
 
  src/framedreadersettings.cpp
 
  src/plotmanager.cpp
 
  src/numberformat.cpp
 
  misc/windows_icon.rc
 
  ${UI_FILES}
 
  ${RES_FILES}
 
  )
 

	
 
# Use the Widgets module from Qt 5.
 
target_link_libraries(${PROGRAM_NAME} ${QWT_LIBRARY} ${QCW_LIBRARY})
 
qt5_use_modules(${PROGRAM_NAME} Widgets SerialPort)
 

	
 
if (BUILD_QWT)
 
  add_dependencies(${PROGRAM_NAME} QWT)
 
endif (BUILD_QWT)
 

	
 
# set compiler flags
 
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 

	
 
# Enable C++11 support, fail if not supported
 
include(CheckCXXCompilerFlag)
 
CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
 
CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
 
if(COMPILER_SUPPORTS_CXX11)
 
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 
elseif(COMPILER_SUPPORTS_CXX0X)
 
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
 
else()
 
  message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
 
endif()
 

	
 
# version number
 
set(MAJOR_VERSION 0 CACHE INT "Program major version number.")
 
set(MINOR_VERSION 8 CACHE INT "Program minor version number.")
src/datarecorder.cpp
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/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#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
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef DATARECORDER_H
 
#define DATARECORDER_H
 

	
 
#include <QObject>
 
#include <QFile>
 
#include <QTextStream>
 

	
 
class DataRecorder : public QObject
 
{
 
    Q_OBJECT
 
public:
 
    explicit DataRecorder(QObject *parent = 0);
 

	
 
    /**
 
     * @brief Starts recording data to a file in CSV format.
 
     *
 
     * File is opened and header line (names of channels) is written.
 
     *
 
     * @param fileName name of the recording file
 
     * @param channelNames names of the channels for header line, if empty no header line is written
 
     * @return false if file operation fails (read only etc.)
 
     */
 
    bool startRecording(QString fileName, QStringList channelNames);
 

	
 
    /**
 
     * @brief Adds data to a channel.
 
     *
 
     * Multiple rows of data can be added at a time. Each channels
 
     * data should be ordered consecutively in the `data` array:
 
     *
 
     * [CH0_SMP0, CH0_SMP1 ... CH0_SMPN, CH1_SMP0, CH1_SMP1, ... , CHN_SMPN]
 
     *
 
     * If `numOfChannels` changes during recording, no data will be
 
     * lost (ie. it will be written to the file) but this will produce
 
     * an invalid CSV file. An error message will be written to the
 
     * console.
 
     *
 
     * @param data samples array
 
     * @param length number of samples in `data`, must be multiple of `numOfChannels`
 
     * @param numOfChannels how many channels samples this data carries
 
     */
 
    void addData(double* data, unsigned length, unsigned numOfChannels);
 

	
 
    /// Stops recording, closes file.
 
    void stopRecording();
 

	
 
private:
 
    unsigned lastNumChannels;   ///< used for error message only
 
    QFile file;
 
    QTextStream fileStream;
 
};
 

	
 
#endif // DATARECORDER_H
src/recordpanel.cpp
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#include "recordpanel.h"
 
#include "ui_recordpanel.h"
 

	
 
#include <QIcon>
 
#include <QFile>
 
#include <QFileInfo>
 
#include <QMessageBox>
 
#include <QFileDialog>
 
#include <QRegularExpression>
 

	
 
#include <QtDebug>
 

	
 
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;
 

	
 
    ui->setupUi(this);
 

	
 
    recordToolBar.setObjectName("tbRecord");
 

	
 
    recordAction.setCheckable(true);
 
    recordToolBar.addAction(&recordAction);
 
    ui->pbRecord->setDefaultAction(&recordAction);
 

	
 
    connect(ui->pbBrowse, &QPushButton::clicked,
 
            this, &RecordPanel::selectFile);
 
    connect(&recordAction, &QAction::triggered,
 
            this, &RecordPanel::onRecord);
 
}
 

	
 
RecordPanel::~RecordPanel()
 
{
 
    delete ui;
 
}
 

	
 
QToolBar* RecordPanel::toolbar()
 
{
 
    return &recordToolBar;
 
}
 

	
 
bool RecordPanel::selectFile()
 
{
 
    QString fileName = QFileDialog::getSaveFileName(
 
        parentWidget(), tr("Select recording file"));
 

	
 
    if (fileName.isEmpty())
 
    {
 
        return false;
 
    }
 
    else
 
    {
 
        selectedFile = fileName;
 
        ui->lbFileName->setText(selectedFile);
 
        overwriteSelected = QFile::exists(fileName);
 
        return true;
 
    }
 
}
 

	
 
void RecordPanel::onRecord(bool start)
 
{
 
    if (!start)
 
@@ -151,57 +152,67 @@ bool RecordPanel::incrementFileName(void
 
        if (!confirmOverwrite(autoFileName))
 
        {
 
            return false;
 
        }
 
    }
 
    else
 
    {
 
        selectedFile = autoFileName;
 
    }
 

	
 
    ui->lbFileName->setText(selectedFile);
 
    return true;
 
}
 

	
 
bool RecordPanel::confirmOverwrite(QString fileName)
 
{
 
    // prepare message box
 
    QMessageBox mb(parentWidget());
 
    mb.setWindowTitle(tr("File Already Exists"));
 
    mb.setIcon(QMessageBox::Warning);
 
    mb.setText(tr("File (%1) already exists. How to continue?").arg(fileName));
 

	
 
    auto bCancel    = mb.addButton(QMessageBox::Cancel);
 
    auto bOverwrite = mb.addButton(tr("Overwrite"), QMessageBox::DestructiveRole);
 
    mb.addButton(tr("Select Another File"), QMessageBox::YesRole);
 

	
 
    mb.setEscapeButton(bCancel);
 

	
 
    // show message box
 
    mb.exec();
 

	
 
    if (mb.clickedButton() == bCancel)
 
    {
 
        return false;
 
    }
 
    else if (mb.clickedButton() == bOverwrite)
 
    {
 
        selectedFile = fileName;
 
        return true;
 
    }
 
    else                    // select button
 
    {
 
        return selectFile();
 
    }
 
}
 

	
 
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
Show inline comments
 
/*
 
  Copyright © 2017 Hasan Yavuz Özderya
 

	
 
  This file is part of serialplot.
 

	
 
  serialplot 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, either version 3 of the License, or
 
  (at your option) any later version.
 

	
 
  serialplot 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 for more details.
 

	
 
  You should have received a copy of the GNU General Public License
 
  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
 
*/
 

	
 
#ifndef RECORDPANEL_H
 
#define RECORDPANEL_H
 

	
 
#include <QWidget>
 
#include <QString>
 
#include <QToolBar>
 
#include <QAction>
 

	
 
#include "datarecorder.h"
 

	
 
namespace Ui {
 
class RecordPanel;
 
}
 

	
 
class RecordPanel : public QWidget
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit RecordPanel(QWidget *parent = 0);
 
    ~RecordPanel();
 

	
 
    QToolBar* toolbar();
 

	
 
private:
 
    Ui::RecordPanel *ui;
 
    QToolBar recordToolBar;
 
    QAction recordAction;
 
    QString selectedFile;
 
    bool overwriteSelected;
 
    DataRecorder recorder;
 

	
 
    /**
 
     * @brief Increments the file name.
 
     *
 
     * If file name doesn't have a number at the end of it, a number is appended
 
     * with underscore starting from 1.
 
     *
 
     * @return false if user cancels
 
     */
 
    bool incrementFileName(void);
 

	
 
    /**
 
     * @brief Used to ask user confirmation if auto generated file
 
     * name exists.
 
     *
 
     * If user confirms overwrite, `selectedFile` is set to
 
     * `fileName`. User is also given option to select file and is
 
     * shown a file select dialog in this case.
 
     *
 
     * @param fileName auto generated file name.
 
     * @return false if user cancels
 
     */
 
    bool confirmOverwrite(QString fileName);
 

	
 
    void startRecording(void);
 
    void stopRecording(void);
 

	
 
private slots:
 
    /**
 
     * @brief Opens up the file select dialog
 
     *
 
     * If you cancel the selection operation, currently selected file is not
 
     * changed.
 
     *
 
     * @return true if file selected, false if user cancels
 
     */
 
    bool selectFile();
 

	
 
    void onRecord(bool start);
 

	
 
};
 

	
 
#endif // RECORDPANEL_H
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