VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2026-06-07 16:34:45 -04:00
Code Issues Projects Releases Wiki Activity

IQ swap: initial implementation in plugins

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files
plugins/samplesource/airspy/airspythread.cpp
+122 -23
View File
@@ -33,7 +33,8 @@ AirspyThread::AirspyThread(struct airspy_device* dev, SampleSinkFifo* sampleFifo
m_sampleFifo(sampleFifo),
m_samplerate(10),
m_log2Decim(0),
m_fcPos(0)
m_fcPos(0),
m_iqOrder(true)
{
m_this = this;
std::fill(m_buf, m_buf + 2*AIRSPY_BLOCKSIZE, 0);
@@ -112,13 +113,13 @@ void AirspyThread::run()
}
// Decimate according to specified log2 (ex: log2=4 => decim=16)
void AirspyThread::callback(const qint16* buf, qint32 len)
void AirspyThread::callbackIQ(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
{
@@ -127,22 +128,22 @@ void AirspyThread::callback(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;
@@ -153,22 +154,22 @@ void AirspyThread::callback(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;
@@ -179,22 +180,22 @@ void AirspyThread::callback(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;
@@ -205,10 +206,108 @@ void AirspyThread::callback(const qint16* buf, qint32 len)
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void AirspyThread::callbackQI(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);
}
int AirspyThread::rx_callback(airspy_transfer_t* transfer)
{
qint32 bytes_to_write = transfer->sample_count * sizeof(qint16);
m_this->callback((qint16 *) transfer->samples, bytes_to_write);
return 0;
if (m_this->m_iqOrder) {
m_this->callbackIQ((qint16 *) transfer->samples, bytes_to_write);
} else {
m_this->callbackQI((qint16 *) transfer->samples, bytes_to_write);
}
return 0;
}