Changeset - 649401566a84
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Hasan Yavuz ÖZDERYA - 11 years ago 2015-03-16 16:05:34
hy@ozderya.net
implemented number format selection, currently supporting integer formats
3 files changed with 111 insertions and 3 deletions:
mainwindow.cpp
84
2
mainwindow.h
23
mainwindow.ui
4
1
0 comments (0 inline, 0 general)
mainwindow.cpp
➞
Show inline comments
 
@@ -39,12 +39,23 @@ MainWindow::MainWindow(QWidget *parent)
 
    QObject::connect(ui->spYmin, SIGNAL(valueChanged(double)),
 
                     this, SLOT(onYScaleChanged()));
 

			




	
	
	
		
 
    QObject::connect(ui->spYmax, SIGNAL(valueChanged(double)),

			




	
	
	
		
 
                     this, SLOT(onYScaleChanged()));

			




	
	
	
		
 

			




	
	
	
		
 
    // setup number format buttons

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint8,  NumberFormat_uint8);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint16, NumberFormat_uint16);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbUint32, NumberFormat_uint32);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt8,   NumberFormat_int8);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt16,  NumberFormat_int16);

			




	
	
	
		
 
    numberFormatButtons.addButton(ui->rbInt32,  NumberFormat_int32);

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(&numberFormatButtons, SIGNAL(buttonToggled(int, bool)),

			




	
	
	
		
 
                     this, SLOT(onNumberFormatButtonToggled(int, bool)));

			




	
	
	
		
 

			




	
	
	
		
 
    // init port signals

			




	
	
	
		
 
    QObject::connect(&(this->serialPort), SIGNAL(error(QSerialPort::SerialPortError)),

			




	
	
	
		
 
                     this, SLOT(onPortError(QSerialPort::SerialPortError)));

			




	
	
	
		
 

			




	
	
	
		
 
    QObject::connect(&(this->serialPort), &QSerialPort::readyRead,

			




	
	
	
		
 
                     this, &MainWindow::onDataReady);

			




	
	
		
 
@@ -67,12 +78,22 @@ MainWindow::MainWindow(QWidget *parent) 

			




	
	
	
		
 
    for (int i = 0; i < dataX.size(); i++)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        dataX[i] = i;

			




	
	
	
		
 
    }

			




	
	
	
		
 
    curve.setSamples(dataX, dataArray);

			




	
	
	
		
 
    curve.attach(ui->plot);

			




	
	
	
		
 

			




	
	
	
		
 
    // init number format

			




	
	
	
		
 
    if (numberFormatButtons.checkedId() >= 0)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        selectNumberFormat((NumberFormat) numberFormatButtons.checkedId());

			




	
	
	
		
 
    }

			




	
	
	
		
 
    else

			




	
	
	
		
 
    {

			




	
	
	
		
 
        selectNumberFormat(NumberFormat_uint8);

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
MainWindow::~MainWindow()

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (serialPort.isOpen())

			




	
	
	
		
 
    {

			




	
	
		
 
@@ -184,14 +205,30 @@ void MainWindow::onPortToggled(bool open

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void MainWindow::onDataReady()

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (!ui->actionPause->isChecked())

			




	
	
	
		
 
    {

			




	
	
	
		
 
        QByteArray data = serialPort.readAll();

			




	
	
	
		
 
        addData((unsigned char)(data[0]));

			




	
	
	
		
 
        int bytesAvailable = serialPort.bytesAvailable();

			




	
	
	
		
 
        if (bytesAvailable < sampleSize)

			




	
	
	
		
 
        {

			




	
	
	
		
 
            return;

			




	
	
	
		
 
        }

			




	
	
	
		
 
        else

			




	
	
	
		
 
        {

			




	
	
	
		
 
            int numOfSamplesToRead =

			




	
	
	
		
 
                (bytesAvailable - (bytesAvailable % sampleSize)) / sampleSize;

			




	
	
	
		
 
            QVector<double> samples(numOfSamplesToRead);

			




	
	
	
		
 
            int i = 0;

			




	
	
	
		
 
            while(i < numOfSamplesToRead)

			




	
	
	
		
 
            {

			




	
	
	
		
 
                samples.replace(i, (this->*readSample)());

			




	
	
	
		
 
                i++;

			




	
	
	
		
 
            }

			




	
	
	
		
 
            addData(samples[0]);

			




	
	
	
		
 
        }

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void MainWindow::onPortError(QSerialPort::SerialPortError error)

			




	
	
	
		
 
{

			




	
	
	
		
 
    switch(error)

			




	
	
		
 
@@ -274,6 +311,51 @@ void MainWindow::onAutoScaleChecked(bool

			




	
	
	
		
 

			




	
	
	
		
 
void MainWindow::onYScaleChanged()

			




	
	
	
		
 
{

			




	
	
	
		
 
    ui->plot->setAxisScale(QwtPlot::yLeft, ui->spYmin->value(),

			




	
	
	
		
 
                           ui->spYmax->value());

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void MainWindow::onNumberFormatButtonToggled(int numberFormatId, bool checked)

			




	
	
	
		
 
{

			




	
	
	
		
 
    if (checked) selectNumberFormat((NumberFormat) numberFormatId);

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
void MainWindow::selectNumberFormat(NumberFormat numberFormatId)

			




	
	
	
		
 
{

			




	
	
	
		
 
    numberFormat = numberFormatId;

			




	
	
	
		
 

			




	
	
	
		
 
    switch(numberFormat)

			




	
	
	
		
 
    {

			




	
	
	
		
 
        case NumberFormat_uint8:

			




	
	
	
		
 
            sampleSize = 1;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<quint8>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
        case NumberFormat_int8:

			




	
	
	
		
 
            sampleSize = 1;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<qint8>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
        case NumberFormat_uint16:

			




	
	
	
		
 
            sampleSize = 2;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<quint16>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
        case NumberFormat_int16:

			




	
	
	
		
 
            sampleSize = 2;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<qint16>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
        case NumberFormat_uint32:

			




	
	
	
		
 
            sampleSize = 4;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<quint32>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
        case NumberFormat_int32:

			




	
	
	
		
 
            sampleSize = 4;

			




	
	
	
		
 
            readSample = &MainWindow::readSampleAs<qint32>;

			




	
	
	
		
 
            break;

			




	
	
	
		
 
    }

			




	
	
	
		
 
}

			




	
	
	
		
 

			




	
	
	
		
 
template<typename T> double MainWindow::readSampleAs()

			




	
	
	
		
 
{

			




	
	
	
		
 
    T data;

			




	
	
	
		
 
    this->serialPort.read((char*) &data, sizeof(data));

			




	
	
	
		
 
    return double(data);

			




	
	
	
		
 
}

			




        

    


    
    

    

        

                

                    mainwindow.h
                

                

                  
                      
                        

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#ifndef MAINWINDOW_H

			




	
	
	
		
 
#define MAINWINDOW_H

			




	
	
	
		
 

			




	
	
	
		
 
#include <QMainWindow>

			




	
	
	
		
 
#include <QButtonGroup>

			




	
	
	
		
 
#include <QString>

			




	
	
	
		
 
#include <QVector>

			




	
	
	
		
 
#include <QSerialPort>

			




	
	
	
		
 
#include <qwt_plot_curve.h>

			




	
	
	
		
 

			




	
	
	
		
 
namespace Ui {

			




	
	
		
 
@@ -17,21 +18,40 @@ class MainWindow : public QMainWindow

			




	
	
	
		
 

			




	
	
	
		
 
public:

			




	
	
	
		
 
    explicit MainWindow(QWidget *parent = 0);

			




	
	
	
		
 
    ~MainWindow();

			




	
	
	
		
 

			




	
	
	
		
 
private:

			




	
	
	
		
 
    enum NumberFormat

			




	
	
	
		
 
    {

			




	
	
	
		
 
        NumberFormat_uint8,

			




	
	
	
		
 
        NumberFormat_uint16,

			




	
	
	
		
 
        NumberFormat_uint32,

			




	
	
	
		
 
        NumberFormat_int8,

			




	
	
	
		
 
        NumberFormat_int16,

			




	
	
	
		
 
        NumberFormat_int32

			




	
	
	
		
 
    };

			




	
	
	
		
 

			




	
	
	
		
 
    Ui::MainWindow *ui;

			




	
	
	
		
 
    QButtonGroup numberFormatButtons;

			




	
	
	
		
 

			




	
	
	
		
 
    QSerialPort serialPort;

			




	
	
	
		
 

			




	
	
	
		
 
    unsigned int numOfSamples;

			




	
	
	
		
 
    QwtPlotCurve curve;

			




	
	
	
		
 
    QVector<double> dataArray;

			




	
	
	
		
 
    QVector<double> dataX;

			




	
	
	
		
 
    void addData(double data);

			




	
	
	
		
 

			




	
	
	
		
 
    NumberFormat numberFormat;

			




	
	
	
		
 
    unsigned int sampleSize; // number of bytes in the selected number format

			




	
	
	
		
 
    double (MainWindow::*readSample)();

			




	
	
	
		
 

			




	
	
	
		
 
    // note that serialPort should already have enough bytes present

			




	
	
	
		
 
    template<typename T> double readSampleAs();

			




	
	
	
		
 

			




	
	
	
		
 
private slots:

			




	
	
	
		
 
    void loadPortList();

			




	
	
	
		
 
    void loadBaudRateList();

			




	
	
	
		
 
    void togglePort();

			




	
	
	
		
 
    void selectPort(QString portName);

			




	
	
	
		
 
    void onPortToggled(bool open);

			




	
	
		
 
@@ -41,11 +61,14 @@ private slots:

			




	
	
	
		
 
    void onPortError(QSerialPort::SerialPortError error);

			




	
	
	
		
 

			




	
	
	
		
 
    void onNumOfSamplesChanged(int value);

			




	
	
	
		
 
    void onAutoScaleChecked(bool checked);

			




	
	
	
		
 
    void onYScaleChanged();

			




	
	
	
		
 

			




	
	
	
		
 
    void onNumberFormatButtonToggled(int numberFormatId, bool checked);

			




	
	
	
		
 
    void selectNumberFormat(NumberFormat numberFormatId);

			




	
	
	
		
 

			




	
	
	
		
 
signals:

			




	
	
	
		
 
    void portToggled(bool open);

			




	
	
	
		
 
};

			




	
	
	
		
 

			




	
	
	
		
 
#endif // MAINWINDOW_H

			




        

    


    
    

    

        

                

                    mainwindow.ui
                

                

                  
                      
                        

                      ➞

                      
                        
                  

                  
                      
                  
                      
                  
                      
                  
                      
                  
                  
                

                

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@@ -339,12 +339,15 @@

			




	
	
	
		
 
          <layout class="QGridLayout" name="gridLayout_2">

			




	
	
	
		
 
           <item row="0" column="0">

			




	
	
	
		
 
            <widget class="QRadioButton" name="rbUint8">

			




	
	
	
		
 
             <property name="text">

			




	
	
	
		
 
              <string>uint8</string>

			




	
	
	
		
 
             </property>

			




	
	
	
		
 
             <property name="checked">

			




	
	
	
		
 
              <bool>true</bool>

			




	
	
	
		
 
             </property>

			




	
	
	
		
 
            </widget>

			




	
	
	
		
 
           </item>

			




	
	
	
		
 
           <item row="2" column="0">

			




	
	
	
		
 
            <widget class="QRadioButton" name="rbUint32">

			




	
	
	
		
 
             <property name="text">

			




	
	
	
		
 
              <string>uint32</string>

			




	
	
		
 
@@ -533,13 +536,13 @@

			




	
	
	
		
 
  <widget class="QMenuBar" name="menuBar">

			




	
	
	
		
 
   <property name="geometry">

			




	
	
	
		
 
    <rect>

			




	
	
	
		
 
     <x>0</x>

			




	
	
	
		
 
     <y>0</y>

			




	
	
	
		
 
     <width>653</width>

			




	
	
	
		
 
     <height>23</height>

			




	
	
	
		
 
     <height>20</height>

			




	
	
	
		
 
    </rect>

			




	
	
	
		
 
   </property>

			




	
	
	
		
 
   <widget class="QMenu" name="menuFile">

			




	
	
	
		
 
    <property name="title">

			




	
	
	
		
 
     <string>File</string>

			




	
	
	
		
 
    </property>

			




        

    



    


    



    



      

      





    
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