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Code Issues Projects Releases Wiki Activity

scope trigger delay preparation #1

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This commit is contained in:
f4exb 2015-07-20 22:51:49 +02:00
parent be6899ebfd
commit 3950ec4be9
5 changed files with 49 additions and 16 deletions
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1
CMakeLists.txt
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@ -23,6 +23,7 @@ find_package(Qt5Multimedia 5.0 REQUIRED)
find_package(OpenGL REQUIRED)
find_package(PkgConfig)
find_package(Boost)
find_package(FFTW3F)
##############################################################################

19
include-gpl/dsp/scopevis.h
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@ -1,6 +1,7 @@
#ifndef INCLUDE_SCOPEVIS_H
#define INCLUDE_SCOPEVIS_H
#include <boost/circular_buffer.hpp>
#include "dsp/samplesink.h"
#include "util/export.h"
#include "util/message.h"
@ -21,7 +22,7 @@ public:
ScopeVis(GLScope* glScope = NULL);
void configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge);
void configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay);
void setOneShot(bool oneShot);
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool positiveOnly);
@ -42,22 +43,25 @@ private:
int getTriggerChannel() const { return m_triggerChannel; }
Real getTriggerLevel() const { return m_triggerLevel; }
Real getTriggerPositiveEdge() const { return m_triggerPositiveEdge; }
uint getTriggerDelay() const { return m_triggerDelay; }
static MsgConfigureScopeVis* create(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge)
static MsgConfigureScopeVis* create(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay)
{
return new MsgConfigureScopeVis(triggerChannel, triggerLevel, triggerPositiveEdge);
return new MsgConfigureScopeVis(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay);
}
private:
int m_triggerChannel;
Real m_triggerLevel;
bool m_triggerPositiveEdge;
uint m_triggerDelay;
MsgConfigureScopeVis(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge) :
MsgConfigureScopeVis(int triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay) :
Message(),
m_triggerChannel(triggerChannel),
m_triggerLevel(triggerLevel),
m_triggerPositiveEdge(triggerPositiveEdge)
m_triggerPositiveEdge(triggerPositiveEdge),
m_triggerDelay(triggerDelay)
{ }
};
@ -68,12 +72,15 @@ private:
};
GLScope* m_glScope;
std::vector<Complex> m_trace;
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
uint m_fill;
TriggerState m_triggerState;
TriggerChannel m_triggerChannel;
Real m_triggerLevel;
bool m_triggerPositiveEdge;
uint m_triggerDelay; //!< Trigger delay in number of samples
bool m_triggerOneShot;
bool m_armed;
int m_sampleRate;

39
sdrbase/dsp/scopevis.cpp
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@ -2,6 +2,7 @@
#include "gui/glscope.h"
#include "dsp/dspcommands.h"
#include "util/messagequeue.h"
#include <algorithm>
#include <cstdio>
#include <iostream>
@ -11,6 +12,8 @@ MESSAGE_CLASS_DEFINITION(ScopeVis::MsgConfigureScopeVis, Message)
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),
@ -22,9 +25,9 @@ ScopeVis::ScopeVis(GLScope* glScope) :
{
}
void ScopeVis::configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge)
void ScopeVis::configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevel, bool triggerPositiveEdge, uint triggerDelay)
{
Message* cmd = MsgConfigureScopeVis::create(triggerChannel, triggerLevel, triggerPositiveEdge);
Message* cmd = MsgConfigureScopeVis::create(triggerChannel, triggerLevel, triggerPositiveEdge, triggerDelay);
cmd->submit(msgQueue, this);
}
@ -74,15 +77,24 @@ void ScopeVis::feed(SampleVector::const_iterator begin, SampleVector::const_iter
{
while(begin < end)
{
if (triggerCondition(begin) ^ !m_triggerPositiveEdge) {
if (m_armed) {
bool trigger = triggerCondition(begin);
if ((trigger ^ !m_triggerPositiveEdge) && (m_tracebackCount > m_triggerDelay))
{
if (m_armed)
{
m_triggerState = Triggered;
m_armed = false;
m_triggerPoint = begin;
// fill beginning of m_trace with delayed samples from the trace memory FIFO. Increment m_fill accordingly.
if (m_triggerDelay) { // do this process only if there is a delayed trigger
std::copy(m_traceback.end() - m_triggerDelay, m_traceback.end() - 1, m_trace.begin());
m_fill = m_triggerDelay; // Increment m_fill accordingly (from 0).
}
break;
}
}
else {
else
{
m_armed = true;
}
++begin;
@ -105,6 +117,7 @@ void ScopeVis::feed(SampleVector::const_iterator begin, SampleVector::const_iter
if (m_triggerOneShot) {
m_triggerState = WaitForReset;
} else {
m_tracebackCount = 0;
m_triggerState = Untriggered;
}
}
@ -133,14 +146,20 @@ bool ScopeVis::handleMessageKeep(Message* message)
return true;
} else if(MsgConfigureScopeVis::match(message)) {
MsgConfigureScopeVis* conf = (MsgConfigureScopeVis*)message;
m_tracebackCount = 0;
m_triggerState = Untriggered;
m_triggerChannel = (TriggerChannel) conf->getTriggerChannel();
m_triggerLevel = conf->getTriggerLevel();
m_triggerPositiveEdge = conf->getTriggerPositiveEdge();
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)
}
std::cerr << "ScopeVis::handleMessageKeep:"
<< " m_triggerChannel: " << m_triggerChannel
<< " m_triggerLevel: " << m_triggerLevel
<< " m_triggerPositiveEdge: " << (m_triggerPositiveEdge ? "edge+" : "edge-") << std::endl;
<< " m_triggerPositiveEdge: " << (m_triggerPositiveEdge ? "edge+" : "edge-")
<< " m_triggerDelay: " << m_triggerDelay << std::endl;
return true;
/*
} else if(DSPConfigureScopeVis::match(message)) {
@ -175,7 +194,12 @@ void ScopeVis::setSampleRate(int sampleRate)
bool ScopeVis::triggerCondition(SampleVector::const_iterator& it)
{
Complex c(it->real()/32768.0, it->imag()/32768.0);
m_traceback.push_back(c); // store into trace memory FIFO
if (m_tracebackCount < m_traceback.size()) { // increment count up to trace memory size
m_tracebackCount++;
}
if (m_triggerChannel == TriggerChannelI) {
return c.real() > m_triggerLevel;
}
@ -203,6 +227,7 @@ void ScopeVis::setOneShot(bool oneShot)
m_triggerOneShot = oneShot;
if ((m_triggerState == WaitForReset) && !oneShot) {
m_tracebackCount = 0;
m_triggerState = Untriggered;
}
}

2
sdrbase/gui/glscopegui.cpp
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@ -180,7 +180,7 @@ 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);
m_scopeVis->configure(m_messageQueue, (ScopeVis::TriggerChannel) m_triggerChannel, triggerLevel, m_triggerPositiveEdge, 0); // TODO: pass trigger delay as the last parameter
}
void GLScopeGUI::setTrigLevelDisplay()

4
sdrbase/gui/glspectrum.cpp
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@ -378,7 +378,7 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
m_currentSpectrum = &spectrum; // Store spectrum for current spectrum line display
#define NO_AVX
//#define NO_AVX
#ifdef NO_AVX
for(int i = 0; i < m_fftSize; i++) {
int v = (int)((spectrum[i] - m_referenceLevel) * 100.0 / m_powerRange + 100.0);
@ -410,7 +410,7 @@ void GLSpectrum::updateHistogram(const std::vector<Real>& spectrum)
if((v >= 0) && (v <= 99)) {
b = m_histogram + (i + j) * 100 + v;
if(*b < 220)
*b += 4;
*b += m_histogramStroke; // was 4
else if(*b < 239)
*b += 1;
}