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Perseus support (6)

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This commit is contained in:
f4exb
2018-02-07 23:44:20 +01:00
parent 1f0f5d2520
commit 70ce8f1044
4 changed files with 168 additions and 12 deletions
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plugins/samplesource/perseus/perseusthread.cpp
+64 -2
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@@ -17,12 +17,56 @@
#include <QtGlobal>
#include "perseusthread.h"
PerseusThread::PerseusThread(perseus_descr* dev, SampleSinkFifo* sampleFifo, QObject* parent) :
QThread(parent),
m_running(false),
m_dev(dev),
m_convertBuffer(PERSEUS_NBSAMPLES),
m_sampleFifo(sampleFifo),
m_samplerate(10),
m_log2Decim(0)
{
m_this = this;
}
PerseusThread::~PerseusThread()
{
stopWork();
m_this = 0;
}
void PerseusThread::startWork()
{
m_startWaitMutex.lock();
start();
while(!m_running)
m_startWaiter.wait(&m_startWaitMutex, 100);
m_startWaitMutex.unlock();
}
void PerseusThread::stopWork()
{
qDebug("AirspyThread::stopWork");
m_running = false;
wait();
}
void PerseusThread::setSamplerate(uint32_t samplerate)
{
m_samplerate = samplerate;
}
void PerseusThread::setLog2Decimation(unsigned int log2_decim)
{
m_log2Decim = log2_decim;
}
void PerseusThread::run()
{
m_running = true;
m_startWaiter.wakeAll();
int rc = perseus_start_async_input(m_dev, 6*1024, rx_callback, 0);
int rc = perseus_start_async_input(m_dev, PERSEUS_BLOCKSIZE, rx_callback, 0);
if (rc < 0) {
qCritical("PerseusThread::run: failed to start Perseus Rx: %s", perseus_errorstr());
@@ -47,12 +91,30 @@ void PerseusThread::run()
void PerseusThread::callback(const uint8_t* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
switch (m_log2Decim)
{
case 0:
m_decimators32.decimate1(&it, (TripleByteLE<qint32>*) buf, len);
break;
case 1:
m_decimators64.decimate2_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
case 2:
m_decimators64.decimate4_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
default:
break;
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
int PerseusThread::rx_callback(void *buf, int buf_size, void *extra)
int PerseusThread::rx_callback(void *buf, int buf_size, void *extra __attribute__((unused)))
{
qint32 nbIAndQ = buf_size / 3; // 3 bytes per I or Q
m_this->callback((uint8_t*) buf, nbIAndQ);
return 0;
}