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GLScope: chained multiple triggers: interim state #2: implemented next trigger logic

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This commit is contained in:
f4exb 2015-11-04 03:25:41 +01:00
parent ff719059f0
commit 2305357324
2 changed files with 50 additions and 9 deletions
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3
include/dsp/scopevis.h
View File

@ -110,7 +110,7 @@ private:
}; };
/** /**
* TriggerState: * TriggerState: (repeat at each successive non freerun trigger)
* *
* send a Trigger condition +--------------------+ * send a Trigger condition +--------------------+
* dummy trace - Immediate m_triggerOneShot | | * dummy trace - Immediate m_triggerOneShot | |
@ -151,6 +151,7 @@ private:
SampleVector::const_iterator m_triggerPoint; SampleVector::const_iterator m_triggerPoint;
bool triggerCondition(SampleVector::const_iterator& it); bool triggerCondition(SampleVector::const_iterator& it);
bool nextTrigger(); //!< move to next trigger. Returns true if next trigger is active.
}; };
#endif // INCLUDE_SCOPEVIS_H #endif // INCLUDE_SCOPEVIS_H

56
sdrbase/dsp/scopevis.cpp
View File

@ -120,6 +120,7 @@ void ScopeVis::feed(const SampleVector::const_iterator& cbegin, const SampleVect
{ {
m_glScope->newTrace(m_trace, m_sampleRate); // send a dummy trace m_glScope->newTrace(m_trace, m_sampleRate); // send a dummy trace
m_triggerState = Untriggered; m_triggerState = Untriggered;
m_triggerIndex = 0;
} }
if(m_triggerState == Delay) if(m_triggerState == Delay)
{ {
@ -136,7 +137,14 @@ void ScopeVis::feed(const SampleVector::const_iterator& cbegin, const SampleVect
m_triggerDelayCount--; m_triggerDelayCount--;
if (m_triggerDelayCount == 0) if (m_triggerDelayCount == 0)
{ {
m_triggerState = Triggered; if (nextTrigger())
{
m_triggerState = Untriggered;
}
else
{
m_triggerState = Triggered;
}
} }
} }
} }
@ -170,13 +178,20 @@ void ScopeVis::feed(const SampleVector::const_iterator& cbegin, const SampleVect
} }
else else
{ {
m_triggerState = Triggered; if (nextTrigger())
m_triggerPoint = begin; {
// fill beginning of m_trace with delayed samples from the trace memory FIFO. Increment m_fill accordingly. m_triggerState = Untriggered;
if (m_triggerPre) { // do this process only if there is a pre-trigger delay }
std::copy(m_traceback.end() - m_triggerPre - 1, m_traceback.end() - 1, m_trace.begin()); else
m_fill = m_triggerPre; // Increment m_fill accordingly (from 0). {
} m_triggerState = Triggered;
m_triggerPoint = begin;
// fill beginning of m_trace with delayed samples from the trace memory FIFO. Increment m_fill accordingly.
if (m_triggerPre) { // do this process only if there is a pre-trigger delay
std::copy(m_traceback.end() - m_triggerPre - 1, m_traceback.end() - 1, m_trace.begin());
m_fill = m_triggerPre; // Increment m_fill accordingly (from 0).
}
}
} }
break; break;
} }
@ -220,6 +235,7 @@ void ScopeVis::feed(const SampleVector::const_iterator& cbegin, const SampleVect
} else { } else {
m_tracebackCount = 0; m_tracebackCount = 0;
m_triggerState = Untriggered; m_triggerState = Untriggered;
m_triggerIndex = 0;
} }
} }
} }
@ -339,5 +355,29 @@ void ScopeVis::setOneShot(bool oneShot)
if ((m_triggerState == WaitForReset) && !oneShot) { if ((m_triggerState == WaitForReset) && !oneShot) {
m_tracebackCount = 0; m_tracebackCount = 0;
m_triggerState = Untriggered; m_triggerState = Untriggered;
m_triggerIndex = 0;
}
}
bool ScopeVis::nextTrigger()
{
m_triggerIndex++;
m_prevTrigger = false;
m_triggerDelayCount = 0;
m_armed = false;
if (m_triggerIndex == m_nbTriggers)
{
m_triggerIndex = 0;
return false;
}
else if (m_triggerChannel[m_triggerIndex] == TriggerFreeRun)
{
m_triggerIndex = 0;
return false;
}
else
{
return true;
} }
} }