prepare variable trace length #1

This commit is contained in:
f4exb 2015-07-21 21:38:36 +02:00
parent e0860a0d40
commit de3e3031c2
4 changed files with 34 additions and 14 deletions

View File

@ -20,9 +20,11 @@ public:
TriggerPhase
};
static const uint m_traceChunkSize;
ScopeVis(GLScope* glScope = NULL);
void configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay);
void configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay, uint traceSize);
void setOneShot(bool oneShot);
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly);
@ -44,10 +46,11 @@ private:
Real getTriggerLevel() const { return m_triggerLevel; }
Real getTriggerPositiveEdge() const { return m_triggerPositiveEdge; }
uint getTriggerDelay() const { return m_triggerDelay; }
uint getTraceSize() const { return m_traceSize; }
static MsgConfigureScopeVis* create(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay)
static MsgConfigureScopeVis* create(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay, uint traceSize)
{
return new MsgConfigureScopeVis(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay);
return new MsgConfigureScopeVis(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay, traceSize);
}
private:
@ -55,13 +58,15 @@ private:
Real m_triggerLevel;
bool m_triggerPositiveEdge;
uint m_triggerDelay;
uint m_traceSize;
MsgConfigureScopeVis(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay) :
MsgConfigureScopeVis(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay, uint traceSize) :
Message(),
m_triggerChannel(triggerChannel),
m_triggerLevel(triggerLevel),
m_triggerPositiveEdge(triggerPositiveEdge),
m_triggerDelay(triggerDelay)
m_triggerDelay(triggerDelay),
m_traceSize(traceSize)
{ }
};
@ -73,8 +78,8 @@ private:
GLScope* m_glScope;
std::vector<Complex> m_trace; //!< Raw trace to be used by GLScope
boost::circular_buffer<Complex> m_traceback; //!< FIFO for samples prior to triggering point to support trigger delay (when in triggered mode)
uint m_tracebackCount; //!< Count of samples stored into trace memory since triggering is active up to trace memory size
boost::circular_buffer<Complex> m_traceback; //!< FIFO for samples prior to triggering point to support pre-trigger (when in triggered mode)
uint m_tracebackCount; //!< Count of samples stored into trace memory since triggering is active up to trace memory size
uint m_fill;
TriggerState m_triggerState;
TriggerChannel m_triggerChannel;

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@ -52,6 +52,7 @@ private:
qint32 m_triggerLevel; // percent
bool m_triggerPositiveEdge;
qint32 m_triggerDelay;
qint32 m_traceSize;
static const qreal amps[11];

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@ -9,25 +9,29 @@
MESSAGE_CLASS_DEFINITION(ScopeVis::MsgConfigureScopeVis, Message)
const uint ScopeVis::m_traceChunkSize = 4800;
ScopeVis::ScopeVis(GLScope* glScope) :
m_glScope(glScope),
m_trace(96000),
m_traceback(96000),
m_tracebackCount(0),
m_fill(0),
m_triggerState(Untriggered),
m_triggerChannel(TriggerFreeRun),
m_triggerLevel(0.0),
m_triggerPositiveEdge(true),
m_triggerDelay(0),
m_triggerOneShot(false),
m_armed(false),
m_sampleRate(0)
{
m_trace.reserve(100*m_traceChunkSize);
m_trace.resize(20*m_traceChunkSize);
m_traceback.resize(20*m_traceChunkSize);
}
void ScopeVis::configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay)
void ScopeVis::configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay, uint traceSize)
{
Message* cmd = MsgConfigureScopeVis::create(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay);
Message* cmd = MsgConfigureScopeVis::create(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay, traceSize);
cmd->submit(msgQueue, this);
}
@ -154,12 +158,20 @@ bool ScopeVis::handleMessageKeep(Message* message)
m_triggerDelay = conf->getTriggerDelay();
if (m_triggerDelay >= m_traceback.size()) {
m_triggerDelay = m_traceback.size() - 1; // top sample in FIFO is always the triggering one (delay = 0)
}
uint newSize = conf->getTraceSize();
if (newSize != m_trace.size()) {
m_trace.resize(newSize);
}
if (newSize > m_traceback.size()) { // fitting the exact required space is not a requirement for the back trace
m_traceback.resize(newSize);
}
std::cerr << "ScopeVis::handleMessageKeep:"
<< " m_triggerChannel: " << m_triggerChannel
<< " m_triggerLevel: " << m_triggerLevel
<< " m_triggerPositiveEdge: " << (m_triggerPositiveEdge ? "edge+" : "edge-")
<< " m_triggerDelay: " << m_triggerDelay << std::endl;
<< " m_preTrigger: " << m_triggerDelay
<< " m_traceSize: " << m_trace.size() << std::endl;
return true;
/*
} else if(DSPConfigureScopeVis::match(message)) {

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@ -27,7 +27,9 @@ GLScopeGUI::GLScopeGUI(QWidget* parent) :
m_displayGridIntensity(1),
m_triggerChannel(ScopeVis::TriggerFreeRun),
m_triggerLevel(0.0),
m_triggerPositiveEdge(true)
m_triggerPositiveEdge(true),
m_triggerDelay(0),
m_traceSize(96000)
{
ui->setupUi(this);
}
@ -185,7 +187,7 @@ void GLScopeGUI::applyTriggerSettings()
m_glScope->setTriggerChannel((ScopeVis::TriggerChannel) m_triggerChannel);
m_glScope->setTriggerLevel(m_triggerLevel / 100.0);
m_scopeVis->configure(m_messageQueue, (ScopeVis::TriggerChannel) m_triggerChannel, triggerLevel, m_triggerPositiveEdge, trigDelaySamples); // TODO: pass trigger delay as the last parameter
m_scopeVis->configure(m_messageQueue, (ScopeVis::TriggerChannel) m_triggerChannel, triggerLevel, m_triggerPositiveEdge, trigDelaySamples, 96000); // TODO: pass trace size as last parameter
}
void GLScopeGUI::setTrigLevelDisplay()