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Code Issues Projects Releases Wiki Activity

IQ swap: initial implementation in plugins

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This commit is contained in:
f4exb
2020-06-21 11:46:08 +02:00
parent 9508e8b88a
commit cc5d614f67
83 changed files with 4846 additions and 2835 deletions
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plugins/samplesource/rtlsdr/rtlsdrthread.cpp
+125 -23
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@@ -32,7 +32,8 @@ RTLSDRThread::RTLSDRThread(rtlsdr_dev_t* dev, SampleSinkFifo* sampleFifo, QObjec
m_sampleFifo(sampleFifo),
m_samplerate(288000),
m_log2Decim(4),
m_fcPos(0)
m_fcPos(0),
m_iqOrder(true)
{
}
@@ -89,13 +90,13 @@ void RTLSDRThread::run()
}
// Decimate according to specified log2 (ex: log2=4 => decim=16)
void RTLSDRThread::callback(const quint8* buf, qint32 len)
void RTLSDRThread::callbackIQ(const quint8* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
if (m_log2Decim == 0)
{
m_decimators.decimate1(&it, buf, len);
m_decimatorsIQ.decimate1(&it, buf, len);
}
else
{
@@ -104,22 +105,22 @@ void RTLSDRThread::callback(const quint8* buf, qint32 len)
switch (m_log2Decim)
{
case 1:
m_decimators.decimate2_inf(&it, buf, len);
m_decimatorsIQ.decimate2_inf(&it, buf, len);
break;
case 2:
m_decimators.decimate4_inf(&it, buf, len);
m_decimatorsIQ.decimate4_inf(&it, buf, len);
break;
case 3:
m_decimators.decimate8_inf(&it, buf, len);
m_decimatorsIQ.decimate8_inf(&it, buf, len);
break;
case 4:
m_decimators.decimate16_inf(&it, buf, len);
m_decimatorsIQ.decimate16_inf(&it, buf, len);
break;
case 5:
m_decimators.decimate32_inf(&it, buf, len);
m_decimatorsIQ.decimate32_inf(&it, buf, len);
break;
case 6:
m_decimators.decimate64_inf(&it, buf, len);
m_decimatorsIQ.decimate64_inf(&it, buf, len);
break;
default:
break;
@@ -130,22 +131,22 @@ void RTLSDRThread::callback(const quint8* buf, qint32 len)
switch (m_log2Decim)
{
case 1:
m_decimators.decimate2_sup(&it, buf, len);
m_decimatorsIQ.decimate2_sup(&it, buf, len);
break;
case 2:
m_decimators.decimate4_sup(&it, buf, len);
m_decimatorsIQ.decimate4_sup(&it, buf, len);
break;
case 3:
m_decimators.decimate8_sup(&it, buf, len);
m_decimatorsIQ.decimate8_sup(&it, buf, len);
break;
case 4:
m_decimators.decimate16_sup(&it, buf, len);
m_decimatorsIQ.decimate16_sup(&it, buf, len);
break;
case 5:
m_decimators.decimate32_sup(&it, buf, len);
m_decimatorsIQ.decimate32_sup(&it, buf, len);
break;
case 6:
m_decimators.decimate64_sup(&it, buf, len);
m_decimatorsIQ.decimate64_sup(&it, buf, len);
break;
default:
break;
@@ -156,22 +157,118 @@ void RTLSDRThread::callback(const quint8* buf, qint32 len)
switch (m_log2Decim)
{
case 1:
m_decimators.decimate2_cen(&it, buf, len);
m_decimatorsIQ.decimate2_cen(&it, buf, len);
break;
case 2:
m_decimators.decimate4_cen(&it, buf, len);
m_decimatorsIQ.decimate4_cen(&it, buf, len);
break;
case 3:
m_decimators.decimate8_cen(&it, buf, len);
m_decimatorsIQ.decimate8_cen(&it, buf, len);
break;
case 4:
m_decimators.decimate16_cen(&it, buf, len);
m_decimatorsIQ.decimate16_cen(&it, buf, len);
break;
case 5:
m_decimators.decimate32_cen(&it, buf, len);
m_decimatorsIQ.decimate32_cen(&it, buf, len);
break;
case 6:
m_decimators.decimate64_cen(&it, buf, len);
m_decimatorsIQ.decimate64_cen(&it, buf, len);
break;
default:
break;
}
}
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
if(!m_running)
rtlsdr_cancel_async(m_dev);
}
void RTLSDRThread::callbackQI(const quint8* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
if (m_log2Decim == 0)
{
m_decimatorsQI.decimate1(&it, buf, len);
}
else
{
if (m_fcPos == 0) // Infradyne
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_inf(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_inf(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_inf(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_inf(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_inf(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_inf(&it, buf, len);
break;
default:
break;
}
}
else if (m_fcPos == 1) // Supradyne
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_sup(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_sup(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_sup(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_sup(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_sup(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_sup(&it, buf, len);
break;
default:
break;
}
}
else // Centered
{
switch (m_log2Decim)
{
case 1:
m_decimatorsQI.decimate2_cen(&it, buf, len);
break;
case 2:
m_decimatorsQI.decimate4_cen(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_cen(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_cen(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_cen(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_cen(&it, buf, len);
break;
default:
break;
@@ -187,7 +284,12 @@ void RTLSDRThread::callback(const quint8* buf, qint32 len)
void RTLSDRThread::callbackHelper(unsigned char* buf, uint32_t len, void* ctx)
{
RTLSDRThread* thread = (RTLSDRThread*)ctx;
thread->callback(buf, len);
RTLSDRThread* thread = (RTLSDRThread*) ctx;
if (thread->m_iqOrder) {
thread->callbackIQ(buf, len);
} else {
thread->callbackQI(buf, len);
}
}