git clone git://git.osmocom.org/sdrangelove.git

2026-06-07 08:24:43 -04:00 · 2014-05-18 16:52:39 +01:00
commit 7d3bfb26fc
203 changed files with 27958 additions and 0 deletions
@@ -0,0 +1,141 @@
+#include "dsp/scopevis.h"
+#include "gui/glscope.h"
+#include "dsp/dspcommands.h"
+#include "util/messagequeue.h"
+
+ScopeVis::ScopeVis(GLScope* glScope) :
+	m_glScope(glScope),
+	m_trace(100000),
+	m_fill(0),
+	m_triggerState(Untriggered),
+	m_triggerChannel(TriggerFreeRun),
+	m_triggerLevelHigh(0.01 * 32768),
+	m_triggerLevelLow(0.01 * 32768 - 1024),
+	m_sampleRate(0)
+{
+}
+
+void ScopeVis::configure(MessageQueue* msgQueue, TriggerChannel triggerChannel, Real triggerLevelHigh, Real triggerLevelLow)
+{
+	Message* cmd = DSPConfigureScopeVis::create(triggerChannel, triggerLevelHigh, triggerLevelLow);
+	cmd->submit(msgQueue, this);
+}
+
+void ScopeVis::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool firstOfBurst)
+{
+	while(begin < end) {
+		if(m_triggerChannel == TriggerChannelI) {
+			if(m_triggerState == Untriggered) {
+				while(begin < end) {
+					if(begin->real() >= m_triggerLevelHigh) {
+						m_triggerState = Triggered;
+						break;
+					}
+					++begin;
+				}
+			}
+			if(m_triggerState == Triggered) {
+				int count = end - begin;
+				if(count > (int)(m_trace.size() - m_fill))
+					count = m_trace.size() - m_fill;
+				std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
+				for(int i = 0; i < count; ++i) {
+					*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
+					++begin;
+				}
+				m_fill += count;
+				if(m_fill >= m_trace.size()) {
+					m_glScope->newTrace(m_trace, m_sampleRate);
+					m_fill = 0;
+					m_triggerState = WaitForReset;
+				}
+			}
+			if(m_triggerState == WaitForReset) {
+				while(begin < end) {
+					if(begin->real() < m_triggerLevelLow) {
+						m_triggerState = Untriggered;
+						break;
+					}
+					++begin;
+				}
+			}
+		} else if(m_triggerChannel == TriggerChannelQ) {
+			if(m_triggerState == Untriggered) {
+				while(begin < end) {
+					if(begin->imag() >= m_triggerLevelHigh) {
+						m_triggerState = Triggered;
+						break;
+					}
+					++begin;
+				}
+			}
+			if(m_triggerState == Triggered) {
+				int count = end - begin;
+				if(count > (int)(m_trace.size() - m_fill))
+					count = m_trace.size() - m_fill;
+				std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
+				for(int i = 0; i < count; ++i) {
+					*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
+					++begin;
+				}
+				m_fill += count;
+				if(m_fill >= m_trace.size()) {
+					m_glScope->newTrace(m_trace, m_sampleRate);
+					m_fill = 0;
+					m_triggerState = WaitForReset;
+				}
+			}
+			if(m_triggerState == WaitForReset) {
+				while(begin < end) {
+					if(begin->imag() < m_triggerLevelLow) {
+						m_triggerState = Untriggered;
+						break;
+					}
+					++begin;
+				}
+			}
+		} else {
+			int count = end - begin;
+			if(count > (int)(m_trace.size() - m_fill))
+				count = m_trace.size() - m_fill;
+			std::vector<Complex>::iterator it = m_trace.begin() + m_fill;
+			for(int i = 0; i < count; ++i) {
+				*it++ = Complex(begin->real() / 32768.0, begin->imag() / 32768.0);
+				++begin;
+			}
+			m_fill += count;
+			if(m_fill >= m_trace.size()) {
+				m_glScope->newTrace(m_trace, m_sampleRate);
+				m_fill = 0;
+			}
+		}
+	}
+}
+
+void ScopeVis::start()
+{
+}
+
+void ScopeVis::stop()
+{
+}
+
+bool ScopeVis::handleMessage(Message* message)
+{
+	if(DSPSignalNotification::match(message)) {
+		DSPSignalNotification* signal = (DSPSignalNotification*)message;
+		m_sampleRate = signal->getSampleRate();
+		message->completed();
+		return true;
+	} else if(DSPConfigureScopeVis::match(message)) {
+		DSPConfigureScopeVis* conf = (DSPConfigureScopeVis*)message;
+		m_triggerState = Untriggered;
+		m_triggerChannel = (TriggerChannel)conf->getTriggerChannel();
+		m_triggerLevelHigh = conf->getTriggerLevelHigh() * 32767;
+		m_triggerLevelLow = conf->getTriggerLevelLow() * 32767;
+		message->completed();
+		return true;
+	} else {
+		return false;
+	}
+}