#include <limits>
#include <QApplication>
+#include <QCheckBox>
#include <QComboBox>
#include <QFormLayout>
#include <QGridLayout>
#include "pv/data/analogsegment.hpp"
#include "pv/data/signalbase.hpp"
#include "pv/view/view.hpp"
+#include "pv/globalsettings.hpp"
#include <libsigrokcxx/libsigrokcxx.hpp>
+using std::deque;
+using std::div;
+using std::div_t;
using std::max;
using std::make_pair;
using std::min;
+using std::numeric_limits;
+using std::pair;
using std::shared_ptr;
-using std::deque;
namespace pv {
namespace views {
const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40*256/100);
const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20*256/100);
+const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77);
+
const float AnalogSignal::EnvelopeThreshold = 256.0f;
const int AnalogSignal::MaximumVDivs = 10;
div_height_(3 * QFontMetrics(QApplication::font()).height()),
pos_vdivs_(1),
neg_vdivs_(1),
- resolution_(0)
+ resolution_(0),
+ conversion_type_(data::SignalBase::NoConversion),
+ display_type_(DisplayBoth),
+ autoranging_(true)
{
+ pv::data::Analog* analog_data =
+ dynamic_cast<pv::data::Analog*>(data().get());
+
+ connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added()));
+
base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]);
update_scale();
}
settings.setValue("pos_vdivs", pos_vdivs_);
settings.setValue("neg_vdivs", neg_vdivs_);
settings.setValue("scale_index", scale_index_);
+ settings.setValue("conversion_type", conversion_type_);
+ settings.setValue("display_type", display_type_);
+ settings.setValue("autoranging", autoranging_);
}
void AnalogSignal::restore_settings(QSettings &settings)
scale_index_ = settings.value("scale_index").toInt();
update_scale();
}
+
+ if (settings.contains("conversion_type"))
+ conversion_type_ = (data::SignalBase::ConversionType)(settings.value("conversion_type").toInt());
+
+ if (settings.contains("display_type"))
+ display_type_ = (DisplayType)(settings.value("display_type").toInt());
+
+ if (settings.contains("autoranging"))
+ autoranging_ = settings.value("autoranging").toBool();
}
-std::pair<int, int> AnalogSignal::v_extents() const
+pair<int, int> AnalogSignal::v_extents() const
{
const int ph = pos_vdivs_ * div_height_;
const int nh = neg_vdivs_ * div_height_;
{
p.setPen(base_->colour());
- QPointF *points = new QPointF[end - start];
+ const int64_t points_count = end - start;
+
+ QPointF *points = new QPointF[points_count];
QPointF *point = points;
+ QRectF *const sampling_points = new QRectF[points_count];
+ QRectF *sampling_point = sampling_points;
+
pv::data::SegmentAnalogDataIterator* it =
segment->begin_sample_iteration(start);
+ const int w = 2;
for (int64_t sample = start; sample != end; sample++) {
const float x = (sample / samples_per_pixel -
pixels_offset) + left;
*point++ = QPointF(x, y - *((float*)it->value) * scale_);
+ *sampling_point++ = QRectF(x - (w / 2), y - *((float*)it->value) * scale_ - (w / 2), w, w);
+
segment->continue_sample_iteration(it, 1);
}
segment->end_sample_iteration(it);
- p.drawPolyline(points, point - points);
+ p.drawPolyline(points, points_count);
+
+ // Paint the sampling points if enabled
+ GlobalSettings settings;
+ const bool show_sampling_points =
+ settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
+
+ if (show_sampling_points && (samples_per_pixel < 0.25)) {
+ p.setPen(SamplingPointColour);
+ p.drawRects(sampling_points, points_count);
+ }
delete[] points;
+ delete[] sampling_points;
}
void AnalogSignal::paint_envelope(QPainter &p,
{
const float seq[] = {1.0f, 2.0f, 5.0f};
- const int offset = std::numeric_limits<int>::max() / (2 * countof(seq));
- const std::div_t d = std::div(
- (int)(scale_index + countof(seq) * offset),
+ const int offset = numeric_limits<int>::max() / (2 * countof(seq));
+ const div_t d = div((int)(scale_index + countof(seq) * offset),
countof(seq));
return powf(10.0f, d.quot - offset) * seq[d.rem];
scale_ = div_height_ / resolution_;
}
+void AnalogSignal::perform_autoranging(bool force_update)
+{
+ const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
+ base_->analog_data()->analog_segments();
+
+ if (segments.empty())
+ return;
+
+ static double prev_min = 0, prev_max = 0;
+ double min = 0, max = 0;
+
+ for (shared_ptr<pv::data::AnalogSegment> segment : segments) {
+ pair<double, double> mm = segment->get_min_max();
+ min = std::min(min, mm.first);
+ max = std::max(max, mm.second);
+ }
+
+ if ((min == prev_min) && (max == prev_max) && !force_update)
+ return;
+
+ prev_min = min;
+ prev_max = max;
+
+ // Use all divs for the positive range if there are no negative values
+ if ((min == 0) && (neg_vdivs_ > 0)) {
+ pos_vdivs_ += neg_vdivs_;
+ neg_vdivs_ = 0;
+ }
+
+ // Split up the divs if there are negative values but no negative divs
+ if ((min < 0) && (neg_vdivs_ == 0)) {
+ neg_vdivs_ = pos_vdivs_ / 2;
+ pos_vdivs_ -= neg_vdivs_;
+ }
+
+ double min_value_per_div;
+ if ((pos_vdivs_ > 0) && (neg_vdivs_ > 0))
+ min_value_per_div = std::max(max / pos_vdivs_, -min / neg_vdivs_);
+ else if (pos_vdivs_ > 0)
+ min_value_per_div = max / pos_vdivs_;
+ else
+ min_value_per_div = -min / neg_vdivs_;
+
+ // Find first scale value that is bigger than the value we need
+ for (int i = MinScaleIndex; i < MaxScaleIndex; i++)
+ if (get_resolution(i) > min_value_per_div) {
+ scale_index_ = i;
+ break;
+ }
+
+ update_scale();
+}
+
void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
{
// Add the standard options
resolution_cb_->insertItem(0, label, QVariant(i));
}
- const int cur_idx = resolution_cb_->findData(QVariant(scale_index_));
+ int cur_idx = resolution_cb_->findData(QVariant(scale_index_));
resolution_cb_->setCurrentIndex(cur_idx);
connect(resolution_cb_, SIGNAL(currentIndexChanged(int)),
layout->addRow(tr("Vertical resolution"), vdiv_layout);
+ // Add the autoranging checkbox
+ QCheckBox* autoranging_cb = new QCheckBox();
+ autoranging_cb->setCheckState(autoranging_ ? Qt::Checked : Qt::Unchecked);
+
+ connect(autoranging_cb, SIGNAL(stateChanged(int)),
+ this, SLOT(on_autoranging_changed(int)));
+
+ layout->addRow(tr("Autoranging"), autoranging_cb);
+
+ // Add the conversion type dropdown
+ conversion_cb_ = new QComboBox();
+
+ conversion_cb_->addItem("none", data::SignalBase::NoConversion);
+ conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold);
+ conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger);
+
+ cur_idx = conversion_cb_->findData(QVariant(conversion_type_));
+ conversion_cb_->setCurrentIndex(cur_idx);
+
+ layout->addRow(tr("Conversion"), conversion_cb_);
+
+ connect(conversion_cb_, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_conversion_changed(int)));
+
+ // Add the display type dropdown
+ display_type_cb_ = new QComboBox();
+
+ display_type_cb_->addItem(tr("Analog"), DisplayAnalog);
+ display_type_cb_->addItem(tr("Converted"), DisplayConverted);
+ display_type_cb_->addItem(tr("Both"), DisplayBoth);
+
+ cur_idx = display_type_cb_->findData(QVariant(display_type_));
+ display_type_cb_->setCurrentIndex(cur_idx);
+
+ layout->addRow(tr("Traces to show:"), display_type_cb_);
+
form->addRow(layout);
}
+void AnalogSignal::on_samples_added()
+{
+ perform_autoranging();
+
+ if (owner_) {
+ // Call order is important, otherwise the lazy event handler won't work
+ owner_->extents_changed(false, true);
+ owner_->row_item_appearance_changed(false, true);
+ }
+}
+
void AnalogSignal::on_pos_vdivs_changed(int vdivs)
{
pos_vdivs_ = vdivs;
+ if (autoranging_)
+ perform_autoranging(true);
+
if (owner_) {
// Call order is important, otherwise the lazy event handler won't work
owner_->extents_changed(false, true);
{
neg_vdivs_ = vdivs;
+ if (autoranging_)
+ perform_autoranging(true);
+
if (owner_) {
// Call order is important, otherwise the lazy event handler won't work
owner_->extents_changed(false, true);
owner_->row_item_appearance_changed(false, true);
}
+void AnalogSignal::on_autoranging_changed(int state)
+{
+ autoranging_ = (state == Qt::Checked);
+
+ if (autoranging_)
+ perform_autoranging(true);
+
+ if (owner_) {
+ // Call order is important, otherwise the lazy event handler won't work
+ owner_->extents_changed(false, true);
+ owner_->row_item_appearance_changed(false, true);
+ }
+}
+
+void AnalogSignal::on_conversion_changed(int index)
+{
+ conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt());
+ base_->set_conversion_type(conversion_type_);
+}
+
} // namespace TraceView
} // namespace views
} // namespace pv
projects / pulseview.git / blobdiff