Bladerf1InputThread Class Reference

#include <bladerf1inputthread.h>

Inherits QThread.

Collaboration diagram for Bladerf1InputThread:

Public Member Functions
	Bladerf1InputThread (struct bladerf *dev, SampleSinkFifo *sampleFifo, QObject *parent=NULL)
	~Bladerf1InputThread ()
void	startWork ()
void	stopWork ()
void	setLog2Decimation (unsigned int log2_decim)
void	setFcPos (int fcPos)

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

Private Attributes
QMutex	m_startWaitMutex
QWaitCondition	m_startWaiter
bool	m_running
struct bladerf *	m_dev
qint16	m_buf [2 *BLADERF_BLOCKSIZE]
SampleVector	m_convertBuffer
SampleSinkFifo *	m_sampleFifo
unsigned int	m_log2Decim
int	m_fcPos
Decimators< qint32, qint16, SDR_RX_SAMP_SZ, 12 >	m_decimators

Detailed Description

Definition at line 30 of file bladerf1inputthread.h.

Constructor & Destructor Documentation

Bladerf1InputThread()

Bladerf1InputThread::Bladerf1InputThread	(	struct bladerf *	dev,
		SampleSinkFifo *	sampleFifo,
		QObject *	parent = NULL
	)

Definition at line 27 of file bladerf1inputthread.cpp.

References BLADERF_BLOCKSIZE, and m_buf.

                                                                                                         :
    QThread(parent),
    m_running(false),
    m_dev(dev),
    m_convertBuffer(BLADERF_BLOCKSIZE),
    m_sampleFifo(sampleFifo),
    m_log2Decim(0),
    m_fcPos(0)
{
    std::fill(m_buf, m_buf + 2*BLADERF_BLOCKSIZE, 0);
}

~Bladerf1InputThread()

Bladerf1InputThread::~Bladerf1InputThread

(

)

Definition at line 39 of file bladerf1inputthread.cpp.

References stopWork().

{
    stopWork();
}

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Member Function Documentation

callback()

void Bladerf1InputThread::callback ( const qint16 *  buf, qint32  len  )

private

Definition at line 89 of file bladerf1inputthread.cpp.

References Decimators< StorageType, T, SdrBits, InputBits >::decimate1(), Decimators< StorageType, T, SdrBits, InputBits >::decimate16_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate16_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate16_sup(), Decimators< StorageType, T, SdrBits, InputBits >::decimate2_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate2_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate2_sup(), Decimators< StorageType, T, SdrBits, InputBits >::decimate32_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate32_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate32_sup(), Decimators< StorageType, T, SdrBits, InputBits >::decimate4_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate4_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate4_sup(), Decimators< StorageType, T, SdrBits, InputBits >::decimate64_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate64_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate64_sup(), Decimators< StorageType, T, SdrBits, InputBits >::decimate8_cen(), Decimators< StorageType, T, SdrBits, InputBits >::decimate8_inf(), Decimators< StorageType, T, SdrBits, InputBits >::decimate8_sup(), m_convertBuffer, m_decimators, m_fcPos, m_log2Decim, m_sampleFifo, and SampleSinkFifo::write().

Referenced by run().

{
    SampleVector::iterator it = m_convertBuffer.begin();

    if (m_log2Decim == 0)
    {
        m_decimators.decimate1(&it, buf, len);
    }
    else
    {
        if (m_fcPos == 0) // Infra
        {
            switch (m_log2Decim)
            {
            case 1:
                m_decimators.decimate2_inf(&it, buf, len);
                break;
            case 2:
                m_decimators.decimate4_inf(&it, buf, len);
                break;
            case 3:
                m_decimators.decimate8_inf(&it, buf, len);
                break;
            case 4:
                m_decimators.decimate16_inf(&it, buf, len);
                break;
            case 5:
                m_decimators.decimate32_inf(&it, buf, len);
                break;
            case 6:
                m_decimators.decimate64_inf(&it, buf, len);
                break;
            default:
                break;
            }
        }
        else if (m_fcPos == 1) // Supra
        {
            switch (m_log2Decim)
            {
            case 1:
                m_decimators.decimate2_sup(&it, buf, len);
                break;
            case 2:
                m_decimators.decimate4_sup(&it, buf, len);
                break;
            case 3:
                m_decimators.decimate8_sup(&it, buf, len);
                break;
            case 4:
                m_decimators.decimate16_sup(&it, buf, len);
                break;
            case 5:
                m_decimators.decimate32_sup(&it, buf, len);
                break;
            case 6:
                m_decimators.decimate64_sup(&it, buf, len);
                break;
            default:
                break;
            }
        }
        else if (m_fcPos == 2) // Center
        {
            switch (m_log2Decim)
            {
            case 1:
                m_decimators.decimate2_cen(&it, buf, len);
                break;
            case 2:
                m_decimators.decimate4_cen(&it, buf, len);
                break;
            case 3:
                m_decimators.decimate8_cen(&it, buf, len);
                break;
            case 4:
                m_decimators.decimate16_cen(&it, buf, len);
                break;
            case 5:
                m_decimators.decimate32_cen(&it, buf, len);
                break;
            case 6:
                m_decimators.decimate64_cen(&it, buf, len);
                break;
            default:
                break;
            }
        }
    }


    m_sampleFifo->write(m_convertBuffer.begin(), it);
}

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run()

void Bladerf1InputThread::run ( )

private

Definition at line 69 of file bladerf1inputthread.cpp.

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

{
    int res;

    m_running = true;
    m_startWaiter.wakeAll();

    while(m_running) {
        if((res = bladerf_sync_rx(m_dev, m_buf, BLADERF_BLOCKSIZE, NULL, 10000)) < 0) {
            qCritical("BladerfThread: sync error: %s", strerror(errno));
            break;
        }

        callback(m_buf, 2 * BLADERF_BLOCKSIZE);
    }

    m_running = false;
}

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setFcPos()

void Bladerf1InputThread::setFcPos

(

int

fcPos

)

Definition at line 64 of file bladerf1inputthread.cpp.

References m_fcPos.

Referenced by Bladerf1Input::applySettings(), and Bladerf1Input::start().

{
    m_fcPos = fcPos;
}

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setLog2Decimation()

void Bladerf1InputThread::setLog2Decimation

(

unsigned int

log2_decim

)

Definition at line 59 of file bladerf1inputthread.cpp.

References m_log2Decim.

Referenced by Bladerf1Input::applySettings(), and Bladerf1Input::start().

{
    m_log2Decim = log2_decim;
}

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startWork()

void Bladerf1InputThread::startWork

(

)

Definition at line 44 of file bladerf1inputthread.cpp.

References m_running, m_startWaiter, and m_startWaitMutex.

Referenced by Bladerf1Input::start().

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

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stopWork()

void Bladerf1InputThread::stopWork

(

)

Definition at line 53 of file bladerf1inputthread.cpp.

References m_running.

Referenced by Bladerf1Input::stop(), and ~Bladerf1InputThread().

{
    m_running = false;
    wait();
}

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Member Data Documentation

m_buf

qint16 Bladerf1InputThread::m_buf[2 *BLADERF_BLOCKSIZE]

private

Definition at line 48 of file bladerf1inputthread.h.

Referenced by Bladerf1InputThread(), and run().

m_convertBuffer

SampleVector Bladerf1InputThread::m_convertBuffer

private

Definition at line 49 of file bladerf1inputthread.h.

Referenced by callback().

m_decimators

Decimators<qint32, qint16, SDR_RX_SAMP_SZ, 12> Bladerf1InputThread::m_decimators

private

Definition at line 55 of file bladerf1inputthread.h.

Referenced by callback().

m_dev

struct bladerf* Bladerf1InputThread::m_dev

private

Definition at line 47 of file bladerf1inputthread.h.

Referenced by run().

m_fcPos

int Bladerf1InputThread::m_fcPos

private

Definition at line 53 of file bladerf1inputthread.h.

Referenced by callback(), and setFcPos().

m_log2Decim

unsigned int Bladerf1InputThread::m_log2Decim

private

Definition at line 52 of file bladerf1inputthread.h.

Referenced by callback(), and setLog2Decimation().

m_running

bool Bladerf1InputThread::m_running

private

Definition at line 45 of file bladerf1inputthread.h.

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

m_sampleFifo

SampleSinkFifo* Bladerf1InputThread::m_sampleFifo

private

Definition at line 50 of file bladerf1inputthread.h.

Referenced by callback().

m_startWaiter

QWaitCondition Bladerf1InputThread::m_startWaiter

private

Definition at line 44 of file bladerf1inputthread.h.

Referenced by run(), and startWork().

m_startWaitMutex

QMutex Bladerf1InputThread::m_startWaitMutex

private

Definition at line 43 of file bladerf1inputthread.h.

Referenced by startWork().

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

• plugins/samplesource/bladerf1input/bladerf1inputthread.h
• plugins/samplesource/bladerf1input/bladerf1inputthread.cpp