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FCD: implemented decimation

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This commit is contained in:
f4exb
2019-01-04 15:12:35 +01:00
parent b5a7425f1e
commit 050ae9d2e8
19 changed files with 260 additions and 46 deletions
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plugins/samplesource/fcdproplus/fcdproplusthread.cpp
+27 -1
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@@ -59,6 +59,11 @@ void FCDProPlusThread::stopWork()
wait();
}
void FCDProPlusThread::setLog2Decimation(unsigned int log2_decim)
{
m_log2Decim = log2_decim;
}
void FCDProPlusThread::run()
{
m_running = true;
@@ -78,6 +83,27 @@ void FCDProPlusThread::work(unsigned int n_items)
{
uint32_t nbRead = m_fcdFIFO->read((unsigned char *) m_buf, n_items); // number of samples
SampleVector::iterator it = m_convertBuffer.begin();
m_decimators.decimate1(&it, m_buf, 2*nbRead);
switch (m_log2Decim)
{
case 0:
m_decimators.decimate1(&it, m_buf, 2*nbRead);
break;
case 1:
m_decimators.decimate2_cen(&it, m_buf, 2*nbRead);
break;
case 2:
m_decimators.decimate4_cen(&it, m_buf, 2*nbRead);
break;
case 3:
m_decimators.decimate8_cen(&it, m_buf, 2*nbRead);
break;
case 4:
m_decimators.decimate16_cen(&it, m_buf, 2*nbRead);
break;
default:
break;
}
m_sampleFifo->write(m_convertBuffer.begin(), it);
}