Bladerf1OutputThread Class Reference

#include <bladerf1outputthread.h>

Inherits QThread.

Collaboration diagram for Bladerf1OutputThread:

Public Member Functions
	Bladerf1OutputThread (struct bladerf *dev, SampleSourceFifo *sampleFifo, QObject *parent=NULL)
	~Bladerf1OutputThread ()
void	startWork ()
void	stopWork ()
void	setLog2Interpolation (unsigned int log2_interp)
bool	isRunning () const

Private Member Functions
void	run ()
void	callback (qint16 *buf, qint32 len)

Private Attributes
QMutex	m_startWaitMutex
QWaitCondition	m_startWaiter
bool	m_running
struct bladerf *	m_dev
qint16	m_buf [2 *BLADERFOUTPUT_BLOCKSIZE]
SampleSourceFifo *	m_sampleFifo
unsigned int	m_log2Interp
Interpolators< qint16, SDR_TX_SAMP_SZ, 12 >	m_interpolators

Detailed Description

Definition at line 30 of file bladerf1outputthread.h.

Constructor & Destructor Documentation

Bladerf1OutputThread()

Bladerf1OutputThread::Bladerf1OutputThread	(	struct bladerf *	dev,
		SampleSourceFifo *	sampleFifo,
		QObject *	parent = NULL
	)

Definition at line 26 of file bladerf1outputthread.cpp.

References BLADERFOUTPUT_BLOCKSIZE, and m_buf.

                                                                                                             :
    QThread(parent),
    m_running(false),
    m_dev(dev),
    m_sampleFifo(sampleFifo),
    m_log2Interp(0)
{
    std::fill(m_buf, m_buf + 2*BLADERFOUTPUT_BLOCKSIZE, 0);
}

~Bladerf1OutputThread()

Bladerf1OutputThread::~Bladerf1OutputThread

(

)

Definition at line 36 of file bladerf1outputthread.cpp.

References stopWork().

{
    stopWork();
}

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Member Function Documentation

callback()

void Bladerf1OutputThread::callback ( qint16 *  buf, qint32  len  )

private

Definition at line 83 of file bladerf1outputthread.cpp.

References Interpolators< T, SdrBits, OutputBits >::interpolate1(), Interpolators< T, SdrBits, OutputBits >::interpolate16_cen(), Interpolators< T, SdrBits, OutputBits >::interpolate2_cen(), Interpolators< T, SdrBits, OutputBits >::interpolate32_cen(), Interpolators< T, SdrBits, OutputBits >::interpolate4_cen(), Interpolators< T, SdrBits, OutputBits >::interpolate64_cen(), Interpolators< T, SdrBits, OutputBits >::interpolate8_cen(), m_interpolators, m_log2Interp, m_sampleFifo, and SampleSourceFifo::readAdvance().

Referenced by run().

{
    SampleVector::iterator beginRead;
    m_sampleFifo->readAdvance(beginRead, len/(1<<m_log2Interp));
    beginRead -= len;

    if (m_log2Interp == 0)
    {
        m_interpolators.interpolate1(&beginRead, buf, len*2);
    }
    else
    {
        switch (m_log2Interp)
        {
        case 1:
            m_interpolators.interpolate2_cen(&beginRead, buf, len*2, true);
            break;
        case 2:
            m_interpolators.interpolate4_cen(&beginRead, buf, len*2, true);
            break;
        case 3:
            m_interpolators.interpolate8_cen(&beginRead, buf, len*2, true);
            break;
        case 4:
            m_interpolators.interpolate16_cen(&beginRead, buf, len*2, true);
            break;
        case 5:
            m_interpolators.interpolate32_cen(&beginRead, buf, len*2, true);
            break;
        case 6:
            m_interpolators.interpolate64_cen(&beginRead, buf, len*2, true);
            break;
        default:
            break;
        }
    }
}

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isRunning()

bool Bladerf1OutputThread::isRunning ( ) const

inline

Definition at line 40 of file bladerf1outputthread.h.

References m_running.

Referenced by Bladerf1Output::applySettings().

{ return m_running; }

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run()

void Bladerf1OutputThread::run ( )

private

Definition at line 61 of file bladerf1outputthread.cpp.

References BLADERFOUTPUT_BLOCKSIZE, callback(), m_buf, m_dev, m_running, and m_startWaiter.

{
    int res;

    m_running = true;
    m_startWaiter.wakeAll();

    while (m_running)
    {
        callback(m_buf, BLADERFOUTPUT_BLOCKSIZE);

        if((res = bladerf_sync_tx(m_dev, m_buf, BLADERFOUTPUT_BLOCKSIZE, NULL, 10000)) < 0)
        {
            qCritical("BladerdOutputThread:run: sync error: %s", strerror(errno));
            break;
        }
    }

    m_running = false;
}

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setLog2Interpolation()

void Bladerf1OutputThread::setLog2Interpolation

(

unsigned int

log2_interp

)

Definition at line 56 of file bladerf1outputthread.cpp.

References m_log2Interp.

Referenced by Bladerf1Output::applySettings(), and Bladerf1Output::start().

{
    m_log2Interp = log2_interp;
}

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startWork()

void Bladerf1OutputThread::startWork

(

)

Definition at line 41 of file bladerf1outputthread.cpp.

References m_running, m_startWaiter, and m_startWaitMutex.

Referenced by Bladerf1Output::applySettings(), and Bladerf1Output::start().

{
    m_startWaitMutex.lock();
    start();
    while(!m_running)
        m_startWaiter.wait(&m_startWaitMutex, 100);
    m_startWaitMutex.unlock();
}

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stopWork()

void Bladerf1OutputThread::stopWork

(

)

Definition at line 50 of file bladerf1outputthread.cpp.

References m_running.

Referenced by Bladerf1Output::applySettings(), Bladerf1Output::stop(), and ~Bladerf1OutputThread().

{
    m_running = false;
    wait();
}

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Member Data Documentation

m_buf

qint16 Bladerf1OutputThread::m_buf[2 *BLADERFOUTPUT_BLOCKSIZE]

private

Definition at line 48 of file bladerf1outputthread.h.

Referenced by Bladerf1OutputThread(), and run().

m_dev

struct bladerf* Bladerf1OutputThread::m_dev

private

Definition at line 47 of file bladerf1outputthread.h.

Referenced by run().

m_interpolators

Interpolators<qint16, SDR_TX_SAMP_SZ, 12> Bladerf1OutputThread::m_interpolators

private

Definition at line 53 of file bladerf1outputthread.h.

Referenced by callback().

m_log2Interp

unsigned int Bladerf1OutputThread::m_log2Interp

private

Definition at line 51 of file bladerf1outputthread.h.

Referenced by callback(), and setLog2Interpolation().

m_running

bool Bladerf1OutputThread::m_running

private

Definition at line 45 of file bladerf1outputthread.h.

Referenced by isRunning(), run(), startWork(), and stopWork().

m_sampleFifo

SampleSourceFifo* Bladerf1OutputThread::m_sampleFifo

private

Definition at line 49 of file bladerf1outputthread.h.

Referenced by callback().

m_startWaiter

QWaitCondition Bladerf1OutputThread::m_startWaiter

private

Definition at line 44 of file bladerf1outputthread.h.

Referenced by run(), and startWork().

m_startWaitMutex

QMutex Bladerf1OutputThread::m_startWaitMutex

private

Definition at line 43 of file bladerf1outputthread.h.

Referenced by startWork().

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The documentation for this class was generated from the following files:

• plugins/samplesink/bladerf1output/bladerf1outputthread.h
• plugins/samplesink/bladerf1output/bladerf1outputthread.cpp