Changeset - 70d0b81a44a5
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Mehmet ASLAN - 7 years ago 2018-06-24 07:38:07
aaslan.mehmet@hotmail.com
leaving numChannels implementation completely to actual reader
undone commit 'numChannels common in all readers, abstracted'
10 files changed with 30 insertions and 10 deletions:
0 comments (0 inline, 0 general)
src/abstractreader.cpp
Show inline comments
 
@@ -27,19 +27,12 @@ AbstractReader::AbstractReader(QIODevice
 

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

	
 
unsigned AbstractReader::numChannels() const
 
{
 
    // TODO: an alternative is to never set _numChannels to '0'
 
    // do not allow '0'
 
    return _numChannels == 0 ? 1 : _numChannels;
 
}
 

	
 
void AbstractReader::enable(bool enabled)
 
{
 
    if (enabled)
 
    {
 
        QObject::connect(_device, &QIODevice::readyRead,
 
                         this, &AbstractReader::onDataReady);
src/abstractreader.h
Show inline comments
 
@@ -46,14 +46,12 @@ public:
 
    /// 'disabled'.
 
    virtual void enable(bool enabled = true);
 

	
 
    /// None of the current readers support X channel at the moment
 
    bool hasX() const final { return false; };
 

	
 
    unsigned numChannels() const;
 

	
 
signals:
 
    // TODO: should we keep this?
 
    void numOfChannelsChanged(unsigned);
 

	
 
public slots:
 
    /**
 
@@ -64,13 +62,12 @@ public slots:
 
     */
 
    void pause(bool enabled);
 

	
 
protected:
 
    QIODevice* _device;
 
    bool paused;
 
    unsigned _numChannels;
 

	
 
protected slots:
 
    /// all derived readers has to override this function
 
    virtual void onDataReady() = 0;
 
};
 

	
src/asciireader.cpp
Show inline comments
 
@@ -55,12 +55,19 @@ AsciiReader::AsciiReader(QIODevice* devi
 

	
 
QWidget* AsciiReader::settingsWidget()
 
{
 
    return &_settingsWidget;
 
}
 

	
 
unsigned AsciiReader::numChannels() const
 
{
 
    // TODO: an alternative is to never set _numChannels to '0'
 
    // do not allow '0'
 
    return _numChannels == 0 ? 1 : _numChannels;
 
}
 

	
 
void AsciiReader::enable(bool enabled)
 
{
 
    if (enabled)
 
    {
 
        firstReadAfterEnable = true;
 
        QObject::connect(_device, &QIODevice::readyRead,
src/asciireader.h
Show inline comments
 
@@ -29,20 +29,22 @@ class AsciiReader : public AbstractReade
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit AsciiReader(QIODevice* device, QObject *parent = 0);
 
    QWidget* settingsWidget();
 
    unsigned numChannels() const;
 
    void enable(bool enabled);
 
    /// Stores settings into a `QSettings`
 
    void saveSettings(QSettings* settings);
 
    /// Loads settings from a `QSettings`.
 
    void loadSettings(QSettings* settings);
 

	
 
private:
 
    AsciiReaderSettings _settingsWidget;
 
    unsigned _numChannels;
 
    /// number of channels will be determined from incoming data
 
    unsigned autoNumOfChannels;
 
    QChar delimiter; ///< selected column delimiter
 

	
 
    bool firstReadAfterEnable = false;
 

	
src/binarystreamreader.cpp
Show inline comments
 
@@ -54,12 +54,17 @@ BinaryStreamReader::BinaryStreamReader(Q
 

	
 
QWidget* BinaryStreamReader::settingsWidget()
 
{
 
    return &_settingsWidget;
 
}
 

	
 
unsigned BinaryStreamReader::numChannels() const
 
{
 
    return _numChannels;
 
}
 

	
 
void BinaryStreamReader::onNumberFormatChanged(NumberFormat numberFormat)
 
{
 
    switch(numberFormat)
 
    {
 
        case NumberFormat_uint8:
 
            sampleSize = 1;
src/binarystreamreader.h
Show inline comments
 
@@ -33,19 +33,21 @@
 
class BinaryStreamReader : public AbstractReader
 
{
 
    Q_OBJECT
 
public:
 
    explicit BinaryStreamReader(QIODevice* device, QObject *parent = 0);
 
    QWidget* settingsWidget();
 
    unsigned numChannels() const;
 
    /// Stores settings into a `QSettings`
 
    void saveSettings(QSettings* settings);
 
    /// Loads settings from a `QSettings`.
 
    void loadSettings(QSettings* settings);
 

	
 
private:
 
    BinaryStreamReaderSettings _settingsWidget;
 
    unsigned _numChannels;
 
    unsigned sampleSize;
 
    bool skipByteRequested;
 
    bool skipSampleRequested;
 

	
 
    /// points to the readSampleAs function for currently selected number format
 
    double (BinaryStreamReader::*readSample)();
src/demoreader.cpp
Show inline comments
 
@@ -54,12 +54,17 @@ void DemoReader::enable(bool enabled)
 
    {
 
        timer.stop();
 
        disconnectSinks();
 
    }
 
}
 

	
 
unsigned DemoReader::numChannels() const
 
{
 
    return _numChannels;
 
}
 

	
 
void DemoReader::setNumChannels(unsigned value)
 
{
 
    _settingsWidget.setNumChannels(value);
 
}
 

	
 
void DemoReader::demoTimerTimeout()
src/demoreader.h
Show inline comments
 
@@ -39,20 +39,22 @@ class DemoReader : public AbstractReader
 
    Q_OBJECT
 

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

	
 
    QWidget* settingsWidget();
 
    unsigned numChannels() const;
 
    void enable(bool enabled = true);
 

	
 
public slots:
 
    void setNumChannels(unsigned value);
 

	
 
private:
 
    DemoReaderSettings _settingsWidget;
 

	
 
    unsigned _numChannels;
 
    QTimer timer;
 
    int count;
 

	
 
private slots:
 
    void demoTimerTimeout();
 
    void onNumChannelsChanged(unsigned value);
src/framedreader.cpp
Show inline comments
 
@@ -64,12 +64,17 @@ FramedReader::FramedReader(QIODevice* de
 

	
 
QWidget* FramedReader::settingsWidget()
 
{
 
    return &_settingsWidget;
 
}
 

	
 
unsigned FramedReader::numChannels() const
 
{
 
    return _numChannels;
 
}
 

	
 
void FramedReader::onNumberFormatChanged(NumberFormat numberFormat)
 
{
 
    switch(numberFormat)
 
    {
 
        case NumberFormat_uint8:
 
            sampleSize = 1;
src/framedreader.h
Show inline comments
 
@@ -32,12 +32,13 @@ class FramedReader : public AbstractRead
 
{
 
    Q_OBJECT
 

	
 
public:
 
    explicit FramedReader(QIODevice* device, QObject *parent = 0);
 
    QWidget* settingsWidget();
 
    unsigned numChannels() const;
 
    /// Stores settings into a `QSettings`
 
    void saveSettings(QSettings* settings);
 
    /// Loads settings from a `QSettings`.
 
    void loadSettings(QSettings* settings);
 

	
 
private:
 
@@ -47,12 +48,13 @@ private:
 
        SYNCWORD_INVALID = 1,
 
        FRAMESIZE_INVALID = 2
 
    };
 

	
 
    // settings related members
 
    FramedReaderSettings _settingsWidget;
 
    unsigned _numChannels;
 
    unsigned sampleSize;
 
    unsigned settingsInvalid;   /// settings are all valid if this is 0, if not no reading is done
 
    QByteArray syncWord;
 
    bool checksumEnabled;
 
    bool hasSizeByte;
 
    unsigned frameSize;
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