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ScopeVis: corrected memory index when in trace memory mode

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This commit is contained in:
f4exb 2018-10-02 05:18:34 +02:00
parent 593209185e
commit 49a0dbac40
1 changed files with 7 additions and 1 deletions
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8
sdrgui/dsp/scopevis.cpp
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@ -232,7 +232,13 @@ void ScopeVis::processMemoryTrace()
{ {
if ((m_currentTraceMemoryIndex > 0) && (m_currentTraceMemoryIndex < m_nbTraceMemories)) if ((m_currentTraceMemoryIndex > 0) && (m_currentTraceMemoryIndex < m_nbTraceMemories))
{ {
SampleVector::const_iterator mend = m_traceDiscreteMemory.at(m_currentTraceMemoryIndex).m_endPoint; int traceMemoryIndex = m_traceDiscreteMemory.currentIndex() - m_currentTraceMemoryIndex; // actual index in memory bank
if (traceMemoryIndex < 0) {
traceMemoryIndex += m_nbTraceMemories;
}
SampleVector::const_iterator mend = m_traceDiscreteMemory.at(traceMemoryIndex).m_endPoint;
SampleVector::const_iterator mbegin = mend - m_traceSize; SampleVector::const_iterator mbegin = mend - m_traceSize;
SampleVector::const_iterator mbegin_tb = mbegin - m_maxTraceDelay; SampleVector::const_iterator mbegin_tb = mbegin - m_maxTraceDelay;
m_nbSamples = m_traceSize + m_maxTraceDelay; m_nbSamples = m_traceSize + m_maxTraceDelay;