X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Flogic.cpp;h=038da649896a0f915883403fb420a37d9d36db0d;hb=36e62b1700d580adde53c8f4489037f0071fa6a0;hp=b094a0c828334059029936cd48d40cbd22844dc8;hpb=eeceee9955e7db4ac777d49d1b7a766069476b08;p=pulseview.git

diff --git a/pv/data/logic.cpp b/pv/data/logic.cpp
index b094a0c8..038da649 100644
--- a/pv/data/logic.cpp
+++ b/pv/data/logic.cpp
@@ -32,6 +32,7 @@ namespace data {
 
 Logic::Logic(unsigned int num_channels) :
 	SignalData(),
+	samplerate_(1),  // Default is 1 Hz to prevent division-by-zero errors
 	num_channels_(num_channels)
 {
 	assert(num_channels_ > 0);
@@ -52,6 +53,11 @@ const deque< shared_ptr<LogicSegment> >& Logic::logic_segments() const
 	return segments_;
 }
 
+deque< shared_ptr<LogicSegment> >& Logic::logic_segments()
+{
+	return segments_;
+}
+
 vector< shared_ptr<Segment> > Logic::segments() const
 {
 	return vector< shared_ptr<Segment> >(segments_.begin(), segments_.end());
@@ -69,25 +75,27 @@ void Logic::clear()
 	samples_cleared();
 }
 
-double Logic::get_samplerate() const
+void Logic::set_samplerate(double value)
 {
-	if (segments_.empty())
-		return 1.0;
+	samplerate_ = value;
+}
 
-	return segments_.front()->samplerate();
+double Logic::get_samplerate() const
+{
+	return samplerate_;
 }
 
 uint64_t Logic::max_sample_count() const
 {
 	uint64_t l = 0;
-	for (shared_ptr<LogicSegment> s : segments_) {
+	for (const shared_ptr<LogicSegment>& s : segments_) {
 		assert(s);
 		l = max(l, s->get_sample_count());
 	}
 	return l;
 }
 
-void Logic::notify_samples_added(QObject* segment, uint64_t start_sample,
+void Logic::notify_samples_added(shared_ptr<Segment> segment, uint64_t start_sample,
 	uint64_t end_sample)
 {
 	samples_added(segment, start_sample, end_sample);