Changeset - fdf5f056db8f
[Not reviewed]
new-reader
0 3 2
Hasan Yavuz ÖZDERYA - 10 years ago 2016-05-23 16:46:43
hy@ozderya.net
moved demo mode implementation to a special reader
5 files changed with 165 insertions and 33 deletions:
0 comments (0 inline, 0 general)
CMakeLists.txt
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#
 
# Copyright © 2015 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/>.
 
#
 

	
 
cmake_minimum_required(VERSION 2.8.11)
 

	
 
project(serialplot)
 

	
 
set(PROGRAM_NAME ${CMAKE_PROJECT_NAME} CACHE STRING "Output program name")
 
set(PROGRAM_DISPLAY_NAME "SerialPlot" CACHE STRING "Display name (menus etc) of the program")
 

	
 
# Find includes in corresponding build directories
 
set(CMAKE_INCLUDE_CURRENT_DIR ON)
 

	
 
# Instruct CMake to run moc automatically when needed.
 
set(CMAKE_AUTOMOC ON)
 

	
 
# add local path for cmake modules
 
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
 

	
 
# Find the QtWidgets library
 
find_package(Qt5Widgets)
 

	
 
# Find QWT or use static
 
set(QWT_USE_STATIC false CACHE BOOL "Use a static version of Qwt provided by user.")
 
set(QWT_STATIC_LIBRARY "" CACHE FILEPATH "Path to the static Qwt library, libqwt.a.")
 
set(QWT_STATIC_INCLUDE "" CACHE PATH "Path to the Qwt include directory when building Qwt static.")
 

	
 
if (QWT_USE_STATIC)
 
  set(QWT_LIBRARY ${QWT_STATIC_LIBRARY})
 
  set(QWT_INCLUDE_DIR ${QWT_STATIC_INCLUDE})
 
else (QWT_USE_STATIC)
 
  find_package(Qwt 6.1 REQUIRED)
 
endif (QWT_USE_STATIC)
 

	
 
# includes
 
include_directories("./src" ${QWT_INCLUDE_DIR})
 

	
 
# 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/numberformatbox.ui
 
  src/endiannessbox.ui
 
  src/binarystreamreadersettings.ui
 
  src/asciireadersettings.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/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/tooltipfilter.cpp
 
  src/sneakylineedit.cpp
 
  src/channelmanager.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
 
  misc/windows_icon.rc
 
  ${UI_FILES}
 
  ${RES_FILES}
 
  )
 

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

	
 
# 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 6 CACHE INT "Program minor version number.")
 
set(PATCH_VERSION 0 CACHE INT "Program patch version number.")
 
set(VERSION_STRING "${MAJOR_VERSION}.${MINOR_VERSION}.${PATCH_VERSION}")
 

	
 
# get revision number from mercurial
 
find_program(MERCURIAL hg)
 

	
 
if (MERCURIAL)
 
  execute_process(COMMAND ${MERCURIAL} id -i
 
    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 
    RESULT_VARIABLE MERCURIAL_RESULT
 
    OUTPUT_VARIABLE VERSION_REVISION
 
    OUTPUT_STRIP_TRAILING_WHITESPACE)
 
  if(NOT MERCURIAL_RESULT EQUAL 0)
 
    set(VERSION_SCM_REVISION false)
 
  endif(NOT MERCURIAL_RESULT EQUAL 0)
 
endif (MERCURIAL)
 

	
 
if (NOT VERSION_REVISION)
 
  set(VERSION_REVISION "0")
 
endif (NOT VERSION_REVISION)
 

	
 
message("SCM revision: ${VERSION_REVISION}")
 

	
 
# configure version file
 
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/version.h")
 

	
 
# add make run target
 
add_custom_target(run
 
    COMMAND ${PROGRAM_NAME}
 
    DEPENDS ${PROGRAM_NAME}
 
    WORKING_DIRECTORY ${CMAKE_PROJECT_DIR}
 
)
 

	
 
# installing
 
install(TARGETS ${PROGRAM_NAME} DESTINATION bin)
 

	
 
# for windows put libraries to install directory
 
if (WIN32)
 
  file(GLOB WINDOWS_INSTALL_LIBRARIES
 
    "${CMAKE_BINARY_DIR}/windows_install_libraries/*.*")
 
  install(FILES ${WINDOWS_INSTALL_LIBRARIES} DESTINATION bin)
 
endif (WIN32)
 

	
 
# install menu item and icon
 
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/misc/program_name.desktop.in"
 
  "${CMAKE_BINARY_DIR}/${PROGRAM_NAME}.desktop")
 
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/misc/program_name.png"
 
  "${CMAKE_BINARY_DIR}/${PROGRAM_NAME}.png" COPYONLY)
 

	
 
find_program(XDG-DESKTOP-MENU xdg-desktop-menu)
 
find_program(XDG-ICON-RESOURCE xdg-icon-resource)
 

	
 
if (UNIX)
 
  # first copy files to share/serialplot/
 
  install(FILES
 
    ${CMAKE_BINARY_DIR}/${PROGRAM_NAME}.desktop
 
    ${CMAKE_BINARY_DIR}/${PROGRAM_NAME}.png
 
    DESTINATION share/${PROGRAM_NAME})
 

	
 
  # install copyright file (in debian format)
 
  install(FILES
 
    ${CMAKE_SOURCE_DIR}/debian/copyright
 
    DESTINATION share/doc/${PROGRAM_NAME}/)
 

	
 
  install(CODE "
 
  execute_process(COMMAND ${XDG-DESKTOP-MENU} install --novendor ${CMAKE_INSTALL_PREFIX}/share/${PROGRAM_NAME}/${PROGRAM_NAME}.desktop)
 
  execute_process(COMMAND ${XDG-ICON-RESOURCE} install --novendor --size 256 ${CMAKE_INSTALL_PREFIX}/share/${PROGRAM_NAME}/${PROGRAM_NAME}.png)
 
")
 
endif (UNIX)
 

	
 
# uninstalling
 
configure_file(
 
  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
 
  "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
 
  @ONLY)
 

	
 
if (UNIX)
 
  add_custom_target(uninstall
 
    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
 
    COMMAND ${XDG-DESKTOP-MENU} uninstall --novendor ${PROGRAM_NAME}.desktop
 
    COMMAND ${XDG-ICON-RESOURCE} uninstall --novendor --size 256 ${PROGRAM_NAME})
 
endif (UNIX)
 

	
 
# packaging
 
if (UNIX)
 
  set(CPACK_GENERATOR "DEB")
 
elseif (WIN32)
 
  set(CPACK_GENERATOR "NSIS")
 
endif (UNIX)
 

	
 
include(InstallRequiredSystemLibraries)
 

	
 
# configure debian scripts
 
configure_file(${CMAKE_SOURCE_DIR}/debian/postinst.in ${CMAKE_BINARY_DIR}/debian/postinst)
 
configure_file(${CMAKE_SOURCE_DIR}/debian/postrm.in ${CMAKE_BINARY_DIR}/debian/postrm)
 

	
 
set(CPACK_PACKAGE_NAME "${PROGRAM_NAME}")
 
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Small and simple software for plotting data from serial port")
 
set(CPACK_PACKAGE_CONTACT "Hasan Yavuz Özderya <hy@ozderya.net>")
 
set(CPACK_PACKAGE_VERSION_MAJOR ${MAJOR_VERSION})
 
set(CPACK_PACKAGE_VERSION_MINOR ${MINOR_VERSION})
 
set(CPACK_PACKAGE_VERSION_PATCH ${PATCH_VERSION})
 
set(CPACK_STRIP_FILES TRUE)
 
set(CPACK_DEBIAN_PACKAGE_DEPENDS "libqt5widgets5 (>= 5.2.1), libqt5svg5 (>= 5.2.1), libqt5serialport5 (>= 5.2.1), libc6 (>= 2.19)")
 
set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "Small and simple software for plotting data from serial port
 
 Supports binary data formats ([u]int8, [u]int16, [u]int32, float)
 
 and ASCII (as CSV). Captured waveforms can be exported in CSV format.
 
 Can also send simple user defined commands to serial port device.")
 

	
 
if (NOT QWT_USE_STATIC)
 
  set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}, libqwt6-qt5 (>= 6.1.1)")
 
endif (NOT QWT_USE_STATIC)
 
set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
 
  "${CMAKE_BINARY_DIR}/debian/postinst"
 
  "${CMAKE_BINARY_DIR}/debian/postrm")
 

	
 
if (UNIX)
 
  set(CPACK_PACKAGE_EXECUTABLES "${PROGRAM_NAME}")
 
elseif (WIN32)
 
  set(CPACK_PACKAGE_EXECUTABLES "${PROGRAM_NAME};${PROGRAM_DISPLAY_NAME}")
 
  set(CPACK_CREATE_DESKTOP_LINKS "${PROGRAM_NAME}")
 
  set(CPACK_NSIS_MODIFY_PATH "ON")
 
  set(CPACK_PACKAGE_ICON "${CMAKE_SOURCE_DIR}/misc/serialplot.bmp")
 
  string(REPLACE "/" "\\\\" CPACK_PACKAGE_ICON ${CPACK_PACKAGE_ICON})
 
  set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/COPYING")
 
  set(CPACK_NSIS_MENU_LINKS
 
    "https://bitbucket.org/hyOzd/serialplot" "SerialPlot source code on bitbucket.org")
 
endif (UNIX)
 

	
 
if (UNIX)
 
  # set debian package name
 
  string(TOLOWER "${CPACK_PACKAGE_NAME}" CPACK_PACKAGE_NAME_LOWERCASE)
 
  find_program(DPKG_PROGRAM dpkg DOC "dpkg program of Debian-based systems")
 
  if(DPKG_PROGRAM)
 
    execute_process(
 
      COMMAND ${DPKG_PROGRAM} --print-architecture
 
      OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
 
      OUTPUT_STRIP_TRAILING_WHITESPACE)
 
    set(CPACK_PACKAGE_FILE_NAME
 
      "${CPACK_PACKAGE_NAME_LOWERCASE}_${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")
 
  else(DPKG_PROGRAM)
 
    set(CPACK_PACKAGE_FILE_NAME
 
      "${CPACK_PACKAGE_NAME_LOWERCASE}_${PROJECT_VERSION}-${PROJECT_VERSION_REVISION}_${CMAKE_SYSTEM_NAME}")
 
  endif(DPKG_PROGRAM)
 
endif (UNIX)
 

	
 
include(CPack)
src/dataformatpanel.cpp
Show inline comments
 
/*
 
  Copyright © 2016 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 "dataformatpanel.h"
 
#include "ui_dataformatpanel.h"
 

	
 
#include <QRadioButton>
 
#include <QtEndian>
 
#include <QtDebug>
 

	
 
#include "utils.h"
 
#include "floatswap.h"
 

	
 
DataFormatPanel::DataFormatPanel(QSerialPort* port,
 
                                 ChannelManager* channelMan,
 
                                 QWidget *parent) :
 
    QWidget(parent),
 
    ui(new Ui::DataFormatPanel),
 
    bsReader(port, channelMan),
 
    asciiReader(port, channelMan)
 
    bsReader(port, channelMan, this),
 
    asciiReader(port, channelMan, this),
 
    demoReader(port, channelMan, this)
 
{
 
    ui->setupUi(this);
 

	
 
    serialPort = port;
 
    _channelMan = channelMan;
 
    paused = false;
 

	
 
    // initalize default reader
 
    currentReader = &bsReader;
 
    bsReader.enable();
 
    ui->rbBinary->setChecked(true);
 
    ui->horizontalLayout->addWidget(bsReader.settingsWidget(), 1);
 
    connect(&bsReader, SIGNAL(dataAdded()), this, SIGNAL(dataAdded()));
 
    connect(&bsReader, SIGNAL(numOfChannelsChanged(unsigned)),
 
            this, SIGNAL(numOfChannelsChanged(unsigned)));
 
    connect(&bsReader, SIGNAL(samplesPerSecondChanged(unsigned)),
 
            this, SIGNAL(samplesPerSecondChanged(unsigned)));
 

	
 
    // initalize reader selection buttons
 
    connect(ui->rbBinary, &QRadioButton::toggled, [this](bool checked)
 
            {
 
                if (checked) selectReader(&bsReader);
 
            });
 

	
 
    connect(ui->rbAscii, &QRadioButton::toggled, [this](bool checked)
 
            {
 
                if (checked) selectReader(&asciiReader);
 
            });
 

	
 
    // Init demo mode
 
    demoCount = 0;
 
    demoTimer.setInterval(100);
 
    QObject::connect(&demoTimer, &QTimer::timeout,
 
                     this, &DataFormatPanel::demoTimerTimeout);
 
    // re-purpose numofchannels settings from actual reader settings to demo reader
 
    connect(this, &DataFormatPanel::numOfChannelsChanged,
 
            &demoReader, &DemoReader::setNumOfChannels);
 
}
 

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

	
 
unsigned DataFormatPanel::numOfChannels()
 
{
 
    return currentReader->numOfChannels();
 
}
 

	
 
void DataFormatPanel::pause(bool enabled)
 
{
 
    currentReader->pause(enabled);
 
    demoReader.pause(enabled);
 
}
 

	
 
void DataFormatPanel::enableDemo(bool enabled)
 
{
 
    if (enabled)
 
    {
 
        demoTimer.start();
 
        demoReader.enable();
 
        connect(&demoReader, &DemoReader::dataAdded,
 
                this, &DataFormatPanel::dataAdded);
 
        connect(&demoReader, &DemoReader::samplesPerSecondChanged,
 
                this, &DataFormatPanel::samplesPerSecondChanged);
 
    }
 
    else
 
    {
 
        demoTimer.stop();
 
    }
 
}
 

	
 
void DataFormatPanel::demoTimerTimeout()
 
{
 
    const double period = 100;
 
    demoCount++;
 
    if (demoCount >= 100) demoCount = 0;
 

	
 
    if (!paused)
 
    {
 
        for (unsigned ci = 0; ci < currentReader->numOfChannels(); ci++)
 
        {
 
            // we are calculating the fourier components of square wave
 
            double value = 4*sin(2*M_PI*double((ci+1)*demoCount)/period)/((2*(ci+1))*M_PI);
 
            addChannelData(ci, &value, 1);
 
        }
 
        emit dataAdded();
 
        demoReader.enable(false);
 
        disconnect(&demoReader, 0, this, 0);
 
    }
 
}
 

	
 
void DataFormatPanel::addChannelData(unsigned int channel,
 
                                     double* data, unsigned size)
 
{
 
    _channelMan->addChannelData(channel, data, size);
 
}
 

	
 
void DataFormatPanel::selectReader(AbstractReader* reader)
 
{
 
    currentReader->enable(false);
 
    reader->enable();
 

	
 
    // re-connect signals
 
    disconnect(currentReader, 0, this, 0);
 
    connect(reader, SIGNAL(dataAdded()), this, SIGNAL(dataAdded()));
 
    connect(reader, SIGNAL(numOfChannelsChanged(unsigned)),
 
            this, SIGNAL(numOfChannelsChanged(unsigned)));
 
    connect(reader, SIGNAL(samplesPerSecondChanged(unsigned)),
 
            this, SIGNAL(samplesPerSecondChanged(unsigned)));
 

	
 
    // switch the settings widget
 
    ui->horizontalLayout->removeWidget(currentReader->settingsWidget());
 
    currentReader->settingsWidget()->hide();
 
    ui->horizontalLayout->addWidget(reader->settingsWidget(), 1);
 
    reader->settingsWidget()->show();
 

	
 
    // notify if number of channels is different
 
    if (currentReader->numOfChannels() != reader->numOfChannels())
 
    {
 
        emit numOfChannelsChanged(reader->numOfChannels());
 
    }
 

	
 
    currentReader = reader;
 
}
src/dataformatpanel.h
Show inline comments
 
/*
 
  Copyright © 2016 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 DATAFORMATPANEL_H
 
#define DATAFORMATPANEL_H
 

	
 
#include <QWidget>
 
#include <QButtonGroup>
 
#include <QTimer>
 
#include <QSerialPort>
 
#include <QList>
 
#include <QtGlobal>
 

	
 
#include "framebuffer.h"
 
#include "channelmanager.h"
 
#include "binarystreamreader.h"
 
#include "asciireader.h"
 
#include "demoreader.h"
 

	
 
namespace Ui {
 
class DataFormatPanel;
 
}
 

	
 
class DataFormatPanel : public QWidget
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit DataFormatPanel(QSerialPort* port,
 
                             ChannelManager* channelMan,
 
                             QWidget *parent = 0);
 
    ~DataFormatPanel();
 

	
 
    unsigned numOfChannels();
 

	
 
public slots:
 
    void pause(bool);
 
    void enableDemo(bool); // demo shouldn't be enabled when port is open
 

	
 
signals:
 
    void numOfChannelsChanged(unsigned);
 
    void samplesPerSecondChanged(unsigned);
 
    void dataAdded();
 

	
 
private:
 
    Ui::DataFormatPanel *ui;
 

	
 
    QSerialPort* serialPort;
 
    ChannelManager* _channelMan;
 

	
 
    BinaryStreamReader bsReader;
 
    AsciiReader asciiReader;
 
    /// Currently selected reader
 
    AbstractReader* currentReader;
 
    /// Disable current reader and enable a another one
 
    void selectReader(AbstractReader* reader);
 

	
 
    bool paused; // remove
 

	
 
    // demo
 
    QTimer demoTimer;
 
    int demoCount;
 
    DemoReader demoReader;
 

	
 
    // `data` contains i th channels data
 
    void addChannelData(unsigned int channel, double* data, unsigned size);
 

	
 
private slots:
 
    void demoTimerTimeout();
 
};
 

	
 
#endif // DATAFORMATPANEL_H
src/demoreader.cpp
Show inline comments
 
new file 100644
 
/*
 
  Copyright © 2016 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 "demoreader.h"
 

	
 
DemoReader::DemoReader(QIODevice* device, ChannelManager* channelMan, QObject *parent) :
 
    AbstractReader(device, channelMan, parent)
 
{
 
    paused = false;
 
    _numOfChannels = 1;
 
    count = 0;
 
    timer.setInterval(100);
 
    QObject::connect(&timer, &QTimer::timeout,
 
                     this, &DemoReader::demoTimerTimeout);
 
}
 

	
 
QWidget* DemoReader::settingsWidget()
 
{
 
    return NULL;
 
}
 

	
 
void DemoReader::enable(bool enabled)
 
{
 
    if (enabled)
 
    {
 
        timer.start();
 
    }
 
    else
 
    {
 
        timer.stop();
 
    }
 
}
 

	
 
unsigned DemoReader::numOfChannels()
 
{
 
    return _numOfChannels;
 
}
 

	
 
void DemoReader::setNumOfChannels(unsigned value)
 
{
 
    _numOfChannels = value;
 
}
 

	
 
void DemoReader::pause(bool enabled)
 
{
 
    paused = enabled;
 
}
 

	
 
void DemoReader::demoTimerTimeout()
 
{
 
    const double period = 100;
 
    count++;
 
    if (count >= 100) count = 0;
 

	
 
    if (!paused)
 
    {
 
        for (unsigned ci = 0; ci < _numOfChannels; ci++)
 
        {
 
            // we are calculating the fourier components of square wave
 
            double value = 4*sin(2*M_PI*double((ci+1)*count)/period)/((2*(ci+1))*M_PI);
 
            _channelMan->addChannelData(ci, &value, 1);
 
            sampleCount++;
 
        }
 
        emit dataAdded();
 
    }
 
}
src/demoreader.h
Show inline comments
 
new file 100644
 
/*
 
  Copyright © 2016 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 DEMOREADER_H
 
#define DEMOREADER_H
 

	
 
#include <QTimer>
 

	
 
#include "abstractreader.h"
 

	
 
/**
 
 * This is a special case of reader implementation and should be used
 
 * with care.
 
 *
 
 * There is no settings widget. Number of channels should be set from
 
 * currently selected actual readers settings widget.
 
 *
 
 * This reader should not be enabled when port is open!
 
 */
 
class DemoReader : public AbstractReader
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit DemoReader(QIODevice* device, ChannelManager* channelMan, QObject *parent = 0);
 

	
 
    /// Demo reader is an exception so this function returns NULL
 
    QWidget* settingsWidget();
 

	
 
    unsigned numOfChannels();
 

	
 
    void enable(bool enabled = true);
 

	
 
public slots:
 
    void pause(bool);
 

	
 
    /// Sets the number of channels, this doesn't trigger a `numOfChannelsChanged` signal.
 
    void setNumOfChannels(unsigned value);
 

	
 
private:
 
    bool paused;
 
    unsigned _numOfChannels;
 
    QTimer timer;
 
    int count;
 

	
 
private slots:
 
    void demoTimerTimeout();
 
};
 

	
 
#endif // DEMOREADER_H
0 comments (0 inline, 0 general)