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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/plutosdrinput/plutosdrinputthread.cpp
+119 -23
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@@ -31,7 +31,8 @@ PlutoSDRInputThread::PlutoSDRInputThread(uint32_t blocksizeSamples, DevicePlutoS
m_sampleFifo(sampleFifo),
m_log2Decim(0),
m_fcPos(PlutoSDRInputSettings::FC_POS_CENTER),
m_phasor(0)
m_phasor(0),
m_iqOrder(true)
{
m_buf = new qint16[blocksizeSamples*2]; // (I,Q) -> 2 * int16_t
m_bufConv = new qint16[blocksizeSamples*2]; // (I,Q) -> 2 * int16_t
@@ -139,21 +140,24 @@ void PlutoSDRInputThread::run()
ihs++;
}
//m_sampleFifo->write((unsigned char *) m_buf, ihs*sizeof(int16_t));
convert(m_buf, 2*m_blockSizeSamples); // size given in number of int16_t (I and Q interleaved)
if (m_iqOrder) {
convertIQ(m_buf, 2*m_blockSizeSamples); // size given in number of int16_t (I and Q interleaved)
} else {
convertQI(m_buf, 2*m_blockSizeSamples);
}
}
m_running = false;
}
// Decimate according to specified log2 (ex: log2=4 => decim=16)
void PlutoSDRInputThread::convert(const qint16* buf, qint32 len)
void PlutoSDRInputThread::convertIQ(const qint16* 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
{
@@ -162,22 +166,22 @@ void PlutoSDRInputThread::convert(const qint16* 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;
@@ -188,22 +192,22 @@ void PlutoSDRInputThread::convert(const qint16* 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;
@@ -214,22 +218,22 @@ void PlutoSDRInputThread::convert(const qint16* 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;
@@ -240,3 +244,95 @@ void PlutoSDRInputThread::convert(const qint16* buf, qint32 len)
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void PlutoSDRInputThread::convertQI(const qint16* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
if (m_log2Decim == 0)
{
m_decimatorsQI.decimate1(&it, buf, len);
}
else
{
if (m_fcPos == 0) // Infra
{
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) // Supra
{
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 if (m_fcPos == 2) // Center
{
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;
}
}
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
}