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https://github.com/f4exb/sdrangel.git
synced 2025-04-04 18:48:34 -04:00
New scope: added trigger delay, mutiple occurences and chained triggers features
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f4exb
parent
c56f852a85
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1f37bcf3de
@ -34,19 +34,19 @@ const Real ScopeVisNG::ProjectorMagDB::mult = (10.0f / log2f(10.0f));
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ScopeVisNG::ScopeVisNG(GLScopeNG* glScope) :
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m_glScope(glScope),
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m_preTriggerDelay(0),
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m_currentTriggerIndex(0),
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m_triggerState(TriggerUntriggered),
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m_traceSize(m_traceChunkSize),
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m_nbSamples(0),
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m_traceStart(true),
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m_traceFill(0),
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m_zTraceIndex(-1),
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m_timeOfsProMill(0),
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m_sampleRate(0),
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m_traceDiscreteMemory(10),
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m_freeRun(true),
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m_maxTraceDelay(0)
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m_preTriggerDelay(0),
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m_currentTriggerIndex(0),
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m_triggerState(TriggerUntriggered),
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m_traceSize(m_traceChunkSize),
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m_nbSamples(0),
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m_traceStart(true),
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m_traceFill(0),
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m_zTraceIndex(-1),
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m_timeOfsProMill(0),
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m_sampleRate(0),
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m_traceDiscreteMemory(10),
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m_freeRun(true),
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m_maxTraceDelay(0)
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{
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setObjectName("ScopeVisNG");
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m_traceDiscreteMemory.resize(m_traceChunkSize); // arbitrary
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@ -131,47 +131,47 @@ void ScopeVisNG::feed(const SampleVector::const_iterator& cbegin, const SampleVe
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m_triggerPoint = cbegin;
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}
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if (m_triggerState == TriggerNewConfig)
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{
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m_triggerState = TriggerUntriggered;
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return;
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}
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if (m_triggerState == TriggerNewConfig)
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{
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m_triggerState = TriggerUntriggered;
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return;
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}
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if ((m_triggerConditions.size() > 0) && (m_triggerState == TriggerWait)) {
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return;
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}
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if ((m_triggerConditions.size() > 0) && (m_triggerState == TriggerWait)) {
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return;
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}
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SampleVector::const_iterator begin(cbegin);
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int triggerPointToEnd;
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SampleVector::const_iterator begin(cbegin);
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int triggerPointToEnd;
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while (begin < end)
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{
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if (begin + m_traceSize > end)
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{
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triggerPointToEnd = -1;
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processTrace(begin, end, triggerPointToEnd);
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if (triggerPointToEnd >= 0) {
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m_triggerPoint = end - triggerPointToEnd;
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}
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begin = end;
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}
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else
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{
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while (begin < end)
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{
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if (begin + m_traceSize > end)
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{
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triggerPointToEnd = -1;
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processTrace(begin, begin + m_traceSize, triggerPointToEnd);
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processTrace(begin, end, triggerPointToEnd);
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if (triggerPointToEnd >= 0) {
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m_triggerPoint = end - triggerPointToEnd;
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}
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begin = end;
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}
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else
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{
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triggerPointToEnd = -1;
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processTrace(begin, begin + m_traceSize, triggerPointToEnd);
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if (triggerPointToEnd >= 0) {
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m_triggerPoint = begin + m_traceSize -triggerPointToEnd;
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}
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begin += m_traceSize;
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}
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}
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begin += m_traceSize;
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}
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}
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}
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void ScopeVisNG::processTrace(const SampleVector::const_iterator& cbegin, const SampleVector::const_iterator& end, int& triggerPointToEnd)
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{
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SampleVector::const_iterator begin(cbegin);
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SampleVector::const_iterator begin(cbegin);
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// memory storage
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// memory storage
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m_traceDiscreteMemory.current().write(cbegin, end);
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@ -199,15 +199,60 @@ void ScopeVisNG::processTrace(const SampleVector::const_iterator& cbegin, const
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while (begin < end)
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{
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if (m_triggerState == TriggerDelay)
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{
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if (triggerCondition.m_triggerDelayCount > 0) // skip samples during delay period
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{
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triggerCondition.m_triggerDelayCount--;
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++begin;
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continue;
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}
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else // process trigger
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{
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if (nextTrigger()) // move to next trigger and keep going
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{
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m_triggerComparator.reset();
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m_triggerState = TriggerUntriggered;
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++begin;
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continue;
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}
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else // this was the last trigger then start trace
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{
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m_traceStart = true; // start trace processing
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m_nbSamples = m_traceSize + m_maxTraceDelay;
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m_triggerComparator.reset();
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m_triggerState = TriggerTriggered;
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triggerPointToEnd = end - begin;
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break;
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}
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}
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}
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// look for trigger
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if (m_triggerComparator.triggered(*begin, triggerCondition))
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{
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m_traceStart = true; // start trace processing
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m_nbSamples = m_traceSize + m_maxTraceDelay;
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m_triggerComparator.reset();
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m_triggerState = TriggerTriggered;
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triggerPointToEnd = end - begin;
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break;
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if (triggerCondition.m_triggerData.m_triggerDelay > 0)
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{
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triggerCondition.m_triggerDelayCount = triggerCondition.m_triggerData.m_triggerDelay; // initialize delayed samples counter
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m_triggerState = TriggerDelay;
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++begin;
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continue;
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}
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if (nextTrigger()) // move to next trigger and keep going
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{
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m_triggerComparator.reset();
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m_triggerState = TriggerUntriggered;
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}
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else // this was the last trigger then start trace
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{
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m_traceStart = true; // start trace processing
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m_nbSamples = m_traceSize + m_maxTraceDelay;
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m_triggerComparator.reset();
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m_triggerState = TriggerTriggered;
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triggerPointToEnd = end - begin;
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break;
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}
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}
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++begin;
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@ -215,43 +260,43 @@ void ScopeVisNG::processTrace(const SampleVector::const_iterator& cbegin, const
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}
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}
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// trace process
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if (m_triggerState == TriggerTriggered)
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{
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int remainder = -1;
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int count = end - begin; // number of samples in traceback buffer past the current point
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SampleVector::iterator mend = m_traceDiscreteMemory.current().current();
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SampleVector::iterator mbegin = mend - count;
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// trace process
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if (m_triggerState == TriggerTriggered)
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{
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int remainder = -1;
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int count = end - begin; // number of samples in traceback buffer past the current point
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SampleVector::iterator mend = m_traceDiscreteMemory.current().current();
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SampleVector::iterator mbegin = mend - count;
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if (m_traceStart)
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{
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// trace back
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if (m_maxTraceDelay > 0)
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{
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processTraces(mbegin - m_preTriggerDelay - m_maxTraceDelay, mbegin - m_preTriggerDelay, true);
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}
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// pre-trigger
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if (m_preTriggerDelay > 0)
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{
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remainder = processTraces(mbegin - m_preTriggerDelay, mbegin);
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}
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m_traceStart = false;
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}
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if (remainder < 0)
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if (m_traceStart)
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{
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// live trace
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// trace back
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if (m_maxTraceDelay > 0)
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{
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processTraces(mbegin - m_preTriggerDelay - m_maxTraceDelay, mbegin - m_preTriggerDelay, true);
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}
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// pre-trigger
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if (m_preTriggerDelay > 0)
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{
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remainder = processTraces(mbegin - m_preTriggerDelay, mbegin);
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}
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m_traceStart = false;
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}
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if (remainder < 0)
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{
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// live trace
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remainder = processTraces(mbegin, mend);
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}
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if (remainder >= 0) // finished
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{
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mbegin = mend - remainder;
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m_traceDiscreteMemory.current().m_endPoint = mbegin;
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m_traceDiscreteMemory.store(); // next memory trace
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if (remainder >= 0) // finished
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{
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mbegin = mend - remainder;
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m_traceDiscreteMemory.current().m_endPoint = mbegin;
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m_traceDiscreteMemory.store(); // next memory trace
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m_triggerState = TriggerUntriggered;
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// process remainder recursively
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@ -267,41 +312,38 @@ void ScopeVisNG::processTrace(const SampleVector::const_iterator& cbegin, const
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//qDebug("ScopeVisNG::processTrace: process remainder recursively (%d %d)", mpoint, mTriggerPoint);
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}
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}
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}
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}
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}
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}
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bool ScopeVisNG::nextTrigger()
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{
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TriggerCondition& triggerCondition = m_triggerConditions[m_currentTriggerIndex]; // current trigger condition
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TriggerCondition& triggerCondition = m_triggerConditions[m_currentTriggerIndex]; // current trigger condition
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if (triggerCondition.m_triggerData.m_triggerRepeat > 0)
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{
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if (triggerCondition.m_triggerCounter < triggerCondition.m_triggerData.m_triggerRepeat)
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{
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triggerCondition.m_triggerCounter++;
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m_triggerState = TriggerUntriggered; // repeat operations for next occurence
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return true;
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}
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else
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{
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triggerCondition.m_triggerCounter = 0; // reset for next time
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}
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}
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if (triggerCondition.m_triggerData.m_triggerRepeat > 0)
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{
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if (triggerCondition.m_triggerCounter < triggerCondition.m_triggerData.m_triggerRepeat)
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{
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triggerCondition.m_triggerCounter++;
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return true; // not final keep going
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}
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else
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{
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triggerCondition.m_triggerCounter = 0; // reset for next time
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}
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}
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if (m_currentTriggerIndex < m_triggerConditions.size() - 1)
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{
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m_currentTriggerIndex++;
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m_triggerState = TriggerUntriggered; // repeat operations for next trigger
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return true; // not final keep going
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}
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else
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{
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// now this is really finished
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m_triggerState = TriggerTriggered;
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m_currentTriggerIndex = 0;
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return false; // final
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}
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if (m_currentTriggerIndex < m_triggerConditions.size() - 1) // check if next trigger is available
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{
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m_currentTriggerIndex++;
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return true; // not final keep going
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}
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else
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{
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// now this is really finished
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m_currentTriggerIndex = 0;
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return false; // final
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}
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}
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int ScopeVisNG::processTraces(const SampleVector::const_iterator& cbegin, const SampleVector::const_iterator& end, bool traceBack)
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@ -416,8 +458,8 @@ bool ScopeVisNG::handleMessage(const Message& message)
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if (m_preTriggerDelay != triggerPre)
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{
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m_preTriggerDelay = triggerPre;
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m_glScope->setTriggerPre(m_preTriggerDelay);
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m_preTriggerDelay = triggerPre;
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m_glScope->setTriggerPre(m_preTriggerDelay);
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}
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if (freeRun != m_freeRun)
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