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IQ swap: initial implementation in plugins

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
+36 -7
View File
@@ -27,7 +27,8 @@ PerseusThread::PerseusThread(perseus_descr* dev, SampleSinkFifo* sampleFifo, QOb
m_dev(dev),
m_convertBuffer(PERSEUS_NBSAMPLES),
m_sampleFifo(sampleFifo),
m_log2Decim(0)
m_log2Decim(0),
m_iqOrder(true)
{
m_this = this;
std::fill(m_buf, m_buf + 2*PERSEUS_NBSAMPLES, 0);
@@ -90,20 +91,42 @@ void PerseusThread::run()
m_running = false;
}
void PerseusThread::callback(const uint8_t* buf, qint32 len)
void PerseusThread::callbackIQ(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);
m_decimators32IQ.decimate1(&it, (TripleByteLE<qint32>*) buf, len);
break;
case 1:
m_decimators64.decimate2_cen(&it, (TripleByteLE<qint64>*) buf, len);
m_decimators64IQ.decimate2_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
case 2:
m_decimators64.decimate4_cen(&it, (TripleByteLE<qint64>*) buf, len);
m_decimators64IQ.decimate4_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
default:
break;
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
}
void PerseusThread::callbackQI(const uint8_t* buf, qint32 len)
{
SampleVector::iterator it = m_convertBuffer.begin();
switch (m_log2Decim)
{
case 0:
m_decimators32QI.decimate1(&it, (TripleByteLE<qint32>*) buf, len);
break;
case 1:
m_decimators64QI.decimate2_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
case 2:
m_decimators64QI.decimate4_cen(&it, (TripleByteLE<qint64>*) buf, len);
break;
default:
break;
@@ -116,7 +139,13 @@ int PerseusThread::rx_callback(void *buf, int buf_size, void *extra)
{
(void) extra;
qint32 nbIAndQ = buf_size / 3; // 3 bytes per I or Q
m_this->callback((uint8_t*) buf, nbIAndQ);
return 0;
if (m_this->m_iqOrder) {
m_this->callbackIQ((uint8_t*) buf, nbIAndQ);
} else {
m_this->callbackQI((uint8_t*) buf, nbIAndQ);
}
return 0;
}