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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/hackrfinput/hackrfinputthread.cpp
+122 -23
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@@ -31,7 +31,8 @@ HackRFInputThread::HackRFInputThread(hackrf_device* dev, SampleSinkFifo* sampleF
m_sampleFifo(sampleFifo),
m_samplerate(10),
m_log2Decim(0),
m_fcPos(0)
m_fcPos(0),
m_iqOrder(true)
{
std::fill(m_buf, m_buf + 2*HACKRF_BLOCKSIZE, 0);
}
@@ -122,13 +123,13 @@ void HackRFInputThread::run()
}
// Decimate according to specified log2 (ex: log2=4 => decim=16)
void HackRFInputThread::callback(const qint8* buf, qint32 len)
void HackRFInputThread::callbackIQ(const qint8* 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
{
@@ -137,22 +138,22 @@ void HackRFInputThread::callback(const qint8* 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_txsync(&it, buf, len);
m_decimatorsIQ.decimate4_inf_txsync(&it, buf, len);
break;
case 3:
m_decimators.decimate8_inf_txsync(&it, buf, len);
m_decimatorsIQ.decimate8_inf_txsync(&it, buf, len);
break;
case 4:
m_decimators.decimate16_inf_txsync(&it, buf, len);
m_decimatorsIQ.decimate16_inf_txsync(&it, buf, len);
break;
case 5:
m_decimators.decimate32_inf_txsync(&it, buf, len);
m_decimatorsIQ.decimate32_inf_txsync(&it, buf, len);
break;
case 6:
m_decimators.decimate64_inf_txsync(&it, buf, len);
m_decimatorsIQ.decimate64_inf_txsync(&it, buf, len);
break;
default:
break;
@@ -163,22 +164,22 @@ void HackRFInputThread::callback(const qint8* 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_txsync(&it, buf, len);
m_decimatorsIQ.decimate4_sup_txsync(&it, buf, len);
break;
case 3:
m_decimators.decimate8_sup_txsync(&it, buf, len);
m_decimatorsIQ.decimate8_sup_txsync(&it, buf, len);
break;
case 4:
m_decimators.decimate16_sup_txsync(&it, buf, len);
m_decimatorsIQ.decimate16_sup_txsync(&it, buf, len);
break;
case 5:
m_decimators.decimate32_sup_txsync(&it, buf, len);
m_decimatorsIQ.decimate32_sup_txsync(&it, buf, len);
break;
case 6:
m_decimators.decimate64_sup_txsync(&it, buf, len);
m_decimatorsIQ.decimate64_sup_txsync(&it, buf, len);
break;
default:
break;
@@ -189,22 +190,22 @@ void HackRFInputThread::callback(const qint8* 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;
@@ -215,11 +216,109 @@ void HackRFInputThread::callback(const qint8* buf, qint32 len)
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void HackRFInputThread::callbackQI(const qint8* 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_txsync(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_inf_txsync(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_inf_txsync(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_inf_txsync(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_inf_txsync(&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_txsync(&it, buf, len);
break;
case 3:
m_decimatorsQI.decimate8_sup_txsync(&it, buf, len);
break;
case 4:
m_decimatorsQI.decimate16_sup_txsync(&it, buf, len);
break;
case 5:
m_decimatorsQI.decimate32_sup_txsync(&it, buf, len);
break;
case 6:
m_decimatorsQI.decimate64_sup_txsync(&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);
}
int HackRFInputThread::rx_callback(hackrf_transfer* transfer)
{
HackRFInputThread *thread = (HackRFInputThread *) transfer->rx_ctx;
qint32 bytes_to_write = transfer->valid_length;
thread->callback((qint8 *) transfer->buffer, bytes_to_write);
return 0;
if (thread->m_iqOrder) {
thread->callbackIQ((qint8 *) transfer->buffer, bytes_to_write);
} else {
thread->callbackQI((qint8 *) transfer->buffer, bytes_to_write);
}
return 0;
}