#include <QApplication>
#include <QCheckBox>
#include <QComboBox>
+#include <QDebug>
#include <QFormLayout>
#include <QGridLayout>
#include <QLabel>
#include "logicsignal.hpp"
#include "view.hpp"
+#include "pv/util.hpp"
#include "pv/data/analog.hpp"
#include "pv/data/analogsegment.hpp"
#include "pv/data/logic.hpp"
using std::deque;
using std::div;
using std::div_t;
+// Note that "using std::isnan;" is _not_ put here since that would break
+// compilation on some platforms. Use "std::isnan()" instead in checks below.
using std::max;
using std::make_pair;
using std::min;
using std::numeric_limits;
+using std::out_of_range;
using std::pair;
using std::shared_ptr;
using std::vector;
+using pv::data::LogicSegment;
+using pv::data::SignalBase;
+using pv::util::SIPrefix;
+
namespace pv {
namespace views {
namespace trace {
-const QColor AnalogSignal::SignalColours[4] = {
+const QColor AnalogSignal::SignalColors[4] = {
QColor(0xC4, 0xA0, 0x00), // Yellow
QColor(0x87, 0x20, 0x7A), // Magenta
QColor(0x20, 0x4A, 0x87), // Blue
QColor(0x4E, 0x9A, 0x06) // Green
};
+const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2);
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 QColor AnalogSignal::SamplingPointColor(0x77, 0x77, 0x77);
+const QColor AnalogSignal::SamplingPointColorLo = QColor(200, 0, 0, 80 * 256 / 100);
+const QColor AnalogSignal::SamplingPointColorNe = QColor(0, 0, 0, 80 * 256 / 100);
+const QColor AnalogSignal::SamplingPointColorHi = QColor(0, 200, 0, 80 * 256 / 100);
+
+const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100);
+const QColor AnalogSignal::ThresholdColorLo = QColor(255, 0, 0, 8 * 256 / 100);
+const QColor AnalogSignal::ThresholdColorNe = QColor(0, 0, 0, 10 * 256 / 100);
+const QColor AnalogSignal::ThresholdColorHi = QColor(0, 255, 0, 8 * 256 / 100);
const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float)
const float AnalogSignal::EnvelopeThreshold = 64.0f;
shared_ptr<data::SignalBase> base) :
Signal(session, base),
scale_index_(4), // 20 per div
- scale_index_drag_offset_(0),
pos_vdivs_(1),
neg_vdivs_(1),
resolution_(0),
- conversion_type_(data::SignalBase::NoConversion),
display_type_(DisplayBoth),
- autoranging_(true)
+ autoranging_(true),
+ value_at_hover_pos_(std::numeric_limits<float>::quiet_NaN())
{
+ axis_pen_ = AxisPen;
+
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()));
+ connect(analog_data, SIGNAL(min_max_changed(float, float)),
+ this, SLOT(on_min_max_changed(float, float)));
GlobalSettings gs;
+ conversion_threshold_disp_mode_ =
+ gs.value(GlobalSettings::Key_View_ConversionThresholdDispMode).toInt();
+
div_height_ = gs.value(GlobalSettings::Key_View_DefaultDivHeight).toInt();
- base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]);
+ base_->set_color(SignalColors[base_->index() % countof(SignalColors)]);
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_);
settings.setValue("div_height", div_height_);
update_scale();
}
- if (settings.contains("conversion_type")) {
- conversion_type_ = (data::SignalBase::ConversionType)(settings.value("conversion_type").toInt());
- update_conversion_type();
- }
-
if (settings.contains("display_type"))
display_type_ = (DisplayType)(settings.value("display_type").toInt());
return make_pair(-ph, nh);
}
-int AnalogSignal::scale_handle_offset() const
+void AnalogSignal::on_setting_changed(const QString &key, const QVariant &value)
{
- const int h = (pos_vdivs_ + neg_vdivs_) * div_height_;
+ Signal::on_setting_changed(key, value);
- return ((scale_index_drag_offset_ - scale_index_) * h / 4) - h / 2;
+ if (key == GlobalSettings::Key_View_ConversionThresholdDispMode)
+ on_settingViewConversionThresholdDispMode_changed(value);
}
-void AnalogSignal::scale_handle_dragged(int offset)
+void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp)
{
- const int h = (pos_vdivs_ + neg_vdivs_) * div_height_;
-
- scale_index_ = scale_index_drag_offset_ - (offset + h / 2) / (h / 4);
-
- update_scale();
-}
+ if (!base_->enabled())
+ return;
-void AnalogSignal::scale_handle_drag_release()
-{
- scale_index_drag_offset_ = scale_index_;
- update_scale();
-}
+ bool paint_thr_bg =
+ conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Background;
+
+ const vector<double> thresholds = base_->get_conversion_thresholds();
+
+ // Only display thresholds if we have some and we show analog samples
+ if ((thresholds.size() > 0) && paint_thr_bg &&
+ ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth))) {
+
+ const int visual_y = get_visual_y();
+ const pair<int, int> extents = v_extents();
+ const int top = visual_y + extents.first;
+ const int btm = visual_y + extents.second;
+
+ // Draw high/neutral/low areas
+ if (thresholds.size() == 2) {
+ int thr_lo = visual_y - thresholds[0] * scale_;
+ int thr_hi = visual_y - thresholds[1] * scale_;
+ thr_lo = min(max(thr_lo, top), btm);
+ thr_hi = min(max(thr_hi, top), btm);
+
+ p.fillRect(QRectF(pp.left(), top, pp.width(), thr_hi - top),
+ QBrush(ThresholdColorHi));
+ p.fillRect(QRectF(pp.left(), thr_hi, pp.width(), thr_lo - thr_hi),
+ QBrush(ThresholdColorNe));
+ p.fillRect(QRectF(pp.left(), thr_lo, pp.width(), btm - thr_lo),
+ QBrush(ThresholdColorLo));
+ } else {
+ int thr = visual_y - thresholds[0] * scale_;
+ thr = min(max(thr, top), btm);
+
+ p.fillRect(QRectF(pp.left(), top, pp.width(), thr - top),
+ QBrush(ThresholdColorHi));
+ p.fillRect(QRectF(pp.left(), thr, pp.width(), btm - thr),
+ QBrush(ThresholdColorLo));
+ }
-void AnalogSignal::paint_back(QPainter &p, ViewItemPaintParams &pp)
-{
- if (base_->enabled()) {
+ paint_axis(p, pp, get_visual_y());
+ } else {
Trace::paint_back(p, pp);
paint_axis(p, pp, get_visual_y());
}
if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) {
paint_grid(p, y, pp.left(), pp.right());
- const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
- base_->analog_data()->analog_segments();
- if (segments.empty())
+ shared_ptr<pv::data::AnalogSegment> segment = get_analog_segment_to_paint();
+ if (!segment || (segment->get_sample_count() == 0))
return;
- const shared_ptr<pv::data::AnalogSegment> &segment =
- segments.front();
-
const double pixels_offset = pp.pixels_offset();
const double samplerate = max(1.0, segment->samplerate());
const pv::util::Timestamp& start_time = segment->start_time();
- const int64_t last_sample = segment->get_sample_count() - 1;
+ const int64_t last_sample = (int64_t)segment->get_sample_count() - 1;
const double samples_per_pixel = samplerate * pp.scale();
const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
(int64_t)0), last_sample);
if (samples_per_pixel < EnvelopeThreshold)
- paint_trace(p, segment, y, pp.left(),
- start_sample, end_sample,
+ paint_trace(p, segment, y, pp.left(), start_sample, end_sample,
pixels_offset, samples_per_pixel);
else
- paint_envelope(p, segment, y, pp.left(),
- start_sample, end_sample,
+ paint_envelope(p, segment, y, pp.left(), start_sample, end_sample,
pixels_offset, samples_per_pixel);
}
- if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) {
- if (((conversion_type_ == data::SignalBase::A2LConversionByTreshold) ||
- (conversion_type_ == data::SignalBase::A2LConversionBySchmittTrigger))) {
-
- paint_logic_mid(p, pp);
- }
- }
+ if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth))
+ paint_logic_mid(p, pp);
}
void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) {
const int y = get_visual_y();
- // Show the info section on the right side of the trace
- const QString infotext = QString("%1 V/div").arg(resolution_);
+ QString infotext;
- p.setPen(base_->colour());
+ // Show the info section on the right side of the trace, including
+ // the value at the hover point when the hover marker is enabled
+ // and we have corresponding data available
+ if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) {
+ infotext = QString("[%1] %2 V/div")
+ .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 0, "V", false))
+ .arg(resolution_);
+ } else
+ infotext = QString("%1 V/div").arg(resolution_);
+
+ p.setPen(base_->color());
p.setFont(QApplication::font());
const QRectF bounding_rect = QRectF(pp.left(),
p.drawText(bounding_rect, Qt::AlignRight | Qt::AlignBottom, infotext);
}
+
+ if (show_hover_marker_)
+ paint_hover_marker(p);
}
void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
if (end <= start)
return;
+ bool paint_thr_dots =
+ (base_->get_conversion_type() != data::SignalBase::NoConversion) &&
+ (conversion_threshold_disp_mode_ == GlobalSettings::ConvThrDispMode_Dots);
+
+ vector<double> thresholds;
+ if (paint_thr_dots)
+ thresholds = base_->get_conversion_thresholds();
+
// Calculate and paint the sampling points if enabled and useful
GlobalSettings settings;
const bool show_sampling_points =
- settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
- (samples_per_pixel < 0.25);
+ (settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() ||
+ paint_thr_dots) && (samples_per_pixel < 0.25);
- p.setPen(base_->colour());
+ p.setPen(base_->color());
- const int64_t points_count = end - start;
+ const int64_t points_count = end - start + 1;
QPointF *points = new QPointF[points_count];
QPointF *point = points;
- QRectF *sampling_points = nullptr;
- if (show_sampling_points)
- sampling_points = new QRectF[points_count];
- QRectF *sampling_point = sampling_points;
+ vector<QRectF> sampling_points[3];
int64_t sample_count = min(points_count, TracePaintBlockSize);
int64_t block_sample = 0;
float *sample_block = new float[TracePaintBlockSize];
segment->get_samples(start, start + sample_count, sample_block);
+ if (show_hover_marker_)
+ reset_pixel_values();
+
const int w = 2;
- for (int64_t sample = start; sample != end; sample++, block_sample++) {
+ for (int64_t sample = start; sample <= end; sample++, block_sample++) {
+ // Fetch next block of samples if we finished the current one
if (block_sample == TracePaintBlockSize) {
block_sample = 0;
sample_count = min(points_count - sample, TracePaintBlockSize);
segment->get_samples(sample, sample + sample_count, sample_block);
}
- const float x = (sample / samples_per_pixel -
- pixels_offset) + left;
+ const float abs_x = sample / samples_per_pixel - pixels_offset;
+ const float x = left + abs_x;
*point++ = QPointF(x, y - sample_block[block_sample] * scale_);
- if (show_sampling_points)
- *sampling_point++ =
- QRectF(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w);
+ // Generate the pixel<->value lookup table for the mouse hover
+ if (show_hover_marker_)
+ process_next_sample_value(abs_x, sample_block[block_sample]);
+
+ // Create the sampling points if needed
+ if (show_sampling_points) {
+ int idx = 0; // Neutral
+
+ if (paint_thr_dots) {
+ if (thresholds.size() == 1)
+ idx = (sample_block[block_sample] >= thresholds[0]) ? 2 : 1;
+ else if (thresholds.size() == 2) {
+ if (sample_block[block_sample] > thresholds[1])
+ idx = 2; // High
+ else if (sample_block[block_sample] < thresholds[0])
+ idx = 1; // Low
+ }
+ }
+
+ sampling_points[idx].emplace_back(x - (w / 2), y - sample_block[block_sample] * scale_ - (w / 2), w, w);
+ }
}
delete[] sample_block;
p.drawPolyline(points, points_count);
if (show_sampling_points) {
- p.setPen(SamplingPointColour);
- p.drawRects(sampling_points, points_count);
- delete[] sampling_points;
+ if (paint_thr_dots) {
+ p.setPen(SamplingPointColorNe);
+ p.drawRects(sampling_points[0].data(), sampling_points[0].size());
+ p.setPen(SamplingPointColorLo);
+ p.drawRects(sampling_points[1].data(), sampling_points[1].size());
+ p.setPen(SamplingPointColorHi);
+ p.drawRects(sampling_points[2].data(), sampling_points[2].size());
+ } else {
+ p.setPen(SamplingPointColor);
+ p.drawRects(sampling_points[0].data(), sampling_points[0].size());
+ }
}
delete[] points;
{
using pv::data::AnalogSegment;
+ // Note: Envelope painting currently doesn't generate a pixel<->value lookup table
+ if (show_hover_marker_)
+ reset_pixel_values();
+
AnalogSegment::EnvelopeSection e;
segment->get_envelope_section(e, start, end, samples_per_pixel);
return;
p.setPen(QPen(Qt::NoPen));
- p.setBrush(base_->colour());
+ p.setBrush(base_->color());
QRectF *const rects = new QRectF[e.length];
QRectF *rect = rects;
for (uint64_t sample = 0; sample < e.length - 1; sample++) {
const float x = ((e.scale * sample + e.start) /
samples_per_pixel - pixels_offset) + left;
- const AnalogSegment::EnvelopeSample *const s =
- e.samples + sample;
+
+ const AnalogSegment::EnvelopeSample *const s = e.samples + sample;
// We overlap this sample with the next so that vertical
// gaps do not appear during steep rising or falling edges
const int nh = min(neg_vdivs_, 1) * div_height_;
const float high_offset = y - ph + signal_margin + 0.5f;
const float low_offset = y + nh - signal_margin - 0.5f;
+ const float signal_height = low_offset - high_offset;
- const deque< shared_ptr<pv::data::LogicSegment> > &segments =
- base_->logic_data()->logic_segments();
-
- if (segments.empty())
+ shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint();
+ if (!segment || (segment->get_sample_count() == 0))
return;
- const shared_ptr<pv::data::LogicSegment> &segment =
- segments.front();
-
double samplerate = segment->samplerate();
// Show sample rate as 1Hz when it is unknown
const double pixels_offset = pp.pixels_offset();
const pv::util::Timestamp& start_time = segment->start_time();
- const int64_t last_sample = segment->get_sample_count() - 1;
+ const int64_t last_sample = (int64_t)segment->get_sample_count() - 1;
const double samples_per_pixel = samplerate * pp.scale();
const double pixels_per_sample = 1 / samples_per_pixel;
const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
samples_per_pixel / LogicSignal::Oversampling, 0);
assert(edges.size() >= 2);
+ const float first_sample_x =
+ pp.left() + (edges.front().first / samples_per_pixel - pixels_offset);
+ const float last_sample_x =
+ pp.left() + (edges.back().first / samples_per_pixel - pixels_offset);
+
// Check whether we need to paint the sampling points
GlobalSettings settings;
const bool show_sampling_points =
(samples_per_pixel < 0.25);
vector<QRectF> sampling_points;
- float sampling_point_x = 0.0f;
+ float sampling_point_x = first_sample_x;
int64_t sampling_point_sample = start_sample;
const int w = 2;
- if (show_sampling_points) {
+ if (show_sampling_points)
sampling_points.reserve(end_sample - start_sample + 1);
- sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
- }
+
+ // Check whether we need to fill the high areas
+ const bool fill_high_areas =
+ settings.value(GlobalSettings::Key_View_FillSignalHighAreas).toBool();
+ vector<QRectF> high_rects;
+ float rising_edge_x;
+ bool rising_edge_seen = false;
// Paint the edges
const unsigned int edge_count = edges.size() - 2;
QLineF *const edge_lines = new QLineF[edge_count];
line = edge_lines;
+ if (edges.front().second) {
+ // Beginning of trace is high
+ rising_edge_x = first_sample_x;
+ rising_edge_seen = true;
+ }
+
for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
- const float x = ((*i).first / samples_per_pixel -
- pixels_offset) + pp.left();
+ // Note: multiple edges occupying a single pixel are represented by an edge
+ // with undefined logic level. This means that only the first falling edge
+ // after a rising edge corresponds to said rising edge - and vice versa. If
+ // more edges with the same logic level follow, they denote multiple edges.
+
+ const float x = pp.left() + ((*i).first / samples_per_pixel - pixels_offset);
*line++ = QLineF(x, high_offset, x, low_offset);
+ if (fill_high_areas) {
+ // Any edge terminates a high area
+ if (rising_edge_seen) {
+ const int width = x - rising_edge_x;
+ if (width > 0)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ width, signal_height);
+ rising_edge_seen = false;
+ }
+
+ // Only rising edges start high areas
+ if ((*i).second) {
+ rising_edge_x = x;
+ rising_edge_seen = true;
+ }
+ }
+
if (show_sampling_points)
while (sampling_point_sample < (*i).first) {
const float y = (*i).second ? low_offset : high_offset;
sampling_point_x += pixels_per_sample;
};
- p.setPen(LogicSignal::EdgeColour);
+ if (fill_high_areas) {
+ // Add last high rectangle if the signal is still high at the end of the trace
+ if (rising_edge_seen && (edges.cend() - 1)->second)
+ high_rects.emplace_back(rising_edge_x, high_offset,
+ last_sample_x - rising_edge_x, signal_height);
+
+ const QColor fill_color = QColor::fromRgba(settings.value(
+ GlobalSettings::Key_View_FillSignalHighAreaColor).value<uint32_t>());
+ p.setPen(fill_color);
+ p.setBrush(fill_color);
+ p.drawRects((const QRectF*)(high_rects.data()), high_rects.size());
+ }
+
+ p.setPen(LogicSignal::EdgeColor);
p.drawLines(edge_lines, edge_count);
delete[] edge_lines;
const unsigned int max_cap_line_count = edges.size();
QLineF *const cap_lines = new QLineF[max_cap_line_count];
- p.setPen(LogicSignal::HighColour);
+ p.setPen(LogicSignal::HighColor);
paint_logic_caps(p, cap_lines, edges, true, samples_per_pixel,
pixels_offset, pp.left(), high_offset);
- p.setPen(LogicSignal::LowColour);
+ p.setPen(LogicSignal::LowColor);
paint_logic_caps(p, cap_lines, edges, false, samples_per_pixel,
pixels_offset, pp.left(), low_offset);
// Paint the sampling points
if (show_sampling_points) {
- p.setPen(SamplingPointColour);
+ p.setPen(SamplingPointColor);
p.drawRects(sampling_points.data(), sampling_points.size());
}
}
p.drawLines(lines, line - lines);
}
+shared_ptr<pv::data::AnalogSegment> AnalogSignal::get_analog_segment_to_paint() const
+{
+ shared_ptr<pv::data::AnalogSegment> segment;
+
+ const deque< shared_ptr<pv::data::AnalogSegment> > &segments =
+ base_->analog_data()->analog_segments();
+
+ if (!segments.empty()) {
+ if (segment_display_mode_ == ShowLastSegmentOnly)
+ segment = segments.back();
+
+ if ((segment_display_mode_ == ShowSingleSegmentOnly) ||
+ (segment_display_mode_ == ShowLastCompleteSegmentOnly)) {
+ try {
+ segment = segments.at(current_segment_);
+ } catch (out_of_range&) {
+ qDebug() << "Current analog segment out of range for signal" << base_->name() << ":" << current_segment_;
+ }
+ }
+ }
+
+ return segment;
+}
+
+shared_ptr<pv::data::LogicSegment> AnalogSignal::get_logic_segment_to_paint() const
+{
+ shared_ptr<pv::data::LogicSegment> segment;
+
+ const deque< shared_ptr<pv::data::LogicSegment> > &segments =
+ base_->logic_data()->logic_segments();
+
+ if (!segments.empty()) {
+ if (segment_display_mode_ == ShowLastSegmentOnly)
+ segment = segments.back();
+
+ if ((segment_display_mode_ == ShowSingleSegmentOnly) ||
+ (segment_display_mode_ == ShowLastCompleteSegmentOnly)) {
+ try {
+ segment = segments.at(current_segment_);
+ } catch (out_of_range&) {
+ qDebug() << "Current logic segment out of range for signal" << base_->name() << ":" << current_segment_;
+ }
+ }
+ }
+
+ return segment;
+}
+
float AnalogSignal::get_resolution(int scale_index)
{
const float seq[] = {1.0f, 2.0f, 5.0f};
scale_ = div_height_ / resolution_;
}
-void AnalogSignal::update_conversion_type()
+void AnalogSignal::update_conversion_widgets()
{
- base_->set_conversion_type(conversion_type_);
+ SignalBase::ConversionType conv_type = base_->get_conversion_type();
- if (owner_)
- owner_->row_item_appearance_changed(false, true);
+ // Enable or disable widgets depending on conversion state
+ conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion);
+ display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion);
+
+ conv_threshold_cb_->clear();
+
+ vector < pair<QString, int> > presets = base_->get_conversion_presets();
+
+ // Prevent the combo box from firing the "edit text changed" signal
+ // as that would involuntarily select the first entry
+ conv_threshold_cb_->blockSignals(true);
+
+ // Set available options depending on chosen conversion
+ for (pair<QString, int>& preset : presets)
+ conv_threshold_cb_->addItem(preset.first, preset.second);
+
+ map < QString, QVariant > options = base_->get_conversion_options();
+
+ if (conv_type == SignalBase::A2LConversionByThreshold) {
+ const vector<double> thresholds = base_->get_conversion_thresholds(
+ SignalBase::A2LConversionByThreshold, true);
+ conv_threshold_cb_->addItem(
+ QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1);
+ }
+
+ if (conv_type == SignalBase::A2LConversionBySchmittTrigger) {
+ const vector<double> thresholds = base_->get_conversion_thresholds(
+ SignalBase::A2LConversionBySchmittTrigger, true);
+ conv_threshold_cb_->addItem(QString("%1V/%2V").arg(
+ QString::number(thresholds[0], 'f', 1),
+ QString::number(thresholds[1], 'f', 1)), -1);
+ }
+
+ int preset_id = base_->get_current_conversion_preset();
+ conv_threshold_cb_->setCurrentIndex(
+ conv_threshold_cb_->findData(preset_id));
+
+ conv_threshold_cb_->blockSignals(false);
+}
+
+vector<data::LogicSegment::EdgePair> AnalogSignal::get_nearest_level_changes(uint64_t sample_pos)
+{
+ assert(base_);
+ assert(owner_);
+
+ // Return if there's no logic data or we're showing only the analog trace
+ if (!base_->logic_data() || (display_type_ == DisplayAnalog))
+ return vector<data::LogicSegment::EdgePair>();
+
+ if (sample_pos == 0)
+ return vector<LogicSegment::EdgePair>();
+
+ shared_ptr<LogicSegment> segment = get_logic_segment_to_paint();
+ if (!segment || (segment->get_sample_count() == 0))
+ return vector<LogicSegment::EdgePair>();
+
+ const View *view = owner_->view();
+ assert(view);
+ const double samples_per_pixel = base_->get_samplerate() * view->scale();
+
+ vector<LogicSegment::EdgePair> edges;
+
+ segment->get_surrounding_edges(edges, sample_pos,
+ samples_per_pixel / LogicSignal::Oversampling, 0);
+
+ if (edges.empty())
+ return vector<LogicSegment::EdgePair>();
+
+ return edges;
}
void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update)
static double prev_min = 0, prev_max = 0;
double min = 0, max = 0;
- for (shared_ptr<pv::data::AnalogSegment> segment : segments) {
+ for (const 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);
update_scale();
}
+void AnalogSignal::reset_pixel_values()
+{
+ value_at_pixel_pos_.clear();
+ current_pixel_pos_ = -1;
+ prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN();
+}
+
+void AnalogSignal::process_next_sample_value(float x, float value)
+{
+ // Note: NAN is used to indicate the non-existance of a value at this pixel
+
+ if (std::isnan(prev_value_at_pixel_)) {
+ if (x < 0) {
+ min_value_at_pixel_ = value;
+ max_value_at_pixel_ = value;
+ prev_value_at_pixel_ = value;
+ current_pixel_pos_ = x;
+ } else
+ prev_value_at_pixel_ = std::numeric_limits<float>::quiet_NaN();
+ }
+
+ const int pixel_pos = (int)(x + 0.5);
+
+ if (pixel_pos > current_pixel_pos_) {
+ if (pixel_pos - current_pixel_pos_ == 1) {
+ if (std::isnan(prev_value_at_pixel_)) {
+ value_at_pixel_pos_.push_back(prev_value_at_pixel_);
+ } else {
+ // Average the min/max range to create one value for the previous pixel
+ const float avg = (min_value_at_pixel_ + max_value_at_pixel_) / 2;
+ value_at_pixel_pos_.push_back(avg);
+ }
+ } else {
+ // Interpolate values to create values for the intermediate pixels
+ const float start_value = prev_value_at_pixel_;
+ const float end_value = value;
+ const int steps = fabs(pixel_pos - current_pixel_pos_);
+ const double gradient = (end_value - start_value) / steps;
+ for (int i = 0; i < steps; i++) {
+ if (current_pixel_pos_ + i < 0)
+ continue;
+ value_at_pixel_pos_.push_back(start_value + i * gradient);
+ }
+ }
+
+ min_value_at_pixel_ = value;
+ max_value_at_pixel_ = value;
+ prev_value_at_pixel_ = value;
+ current_pixel_pos_ = pixel_pos;
+ } else {
+ // Another sample for the same pixel
+ if (value < min_value_at_pixel_)
+ min_value_at_pixel_ = value;
+ if (value > max_value_at_pixel_)
+ max_value_at_pixel_ = value;
+ }
+}
+
void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
{
// Add the standard options
// 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);
+ conversion_cb_->addItem(tr("none"),
+ SignalBase::NoConversion);
+ conversion_cb_->addItem(tr("to logic via threshold"),
+ SignalBase::A2LConversionByThreshold);
+ conversion_cb_->addItem(tr("to logic via schmitt-trigger"),
+ SignalBase::A2LConversionBySchmittTrigger);
- cur_idx = conversion_cb_->findData(QVariant(conversion_type_));
+ cur_idx = conversion_cb_->findData(QVariant(base_->get_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 conversion threshold settings
+ conv_threshold_cb_ = new QComboBox();
+ conv_threshold_cb_->setEditable(true);
+
+ layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_);
+
+ connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)),
+ this, SLOT(on_conv_threshold_changed(int)));
+ connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString&)),
+ this, SLOT(on_conv_threshold_changed())); // index will be -1
+
// 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);
+ display_type_cb_->addItem(tr("analog"), DisplayAnalog);
+ display_type_cb_->addItem(tr("converted"), DisplayConverted);
+ display_type_cb_->addItem(tr("analog+converted"), 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_);
+ layout->addRow(tr("Show traces for"), display_type_cb_);
connect(display_type_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_display_type_changed(int)));
+ // Update the conversion widget contents and states
+ update_conversion_widgets();
+
form->addRow(layout);
}
-void AnalogSignal::on_samples_added()
+void AnalogSignal::hover_point_changed(const QPoint &hp)
+{
+ Signal::hover_point_changed(hp);
+
+ // Note: Even though the view area begins at 0, we exclude 0 because
+ // that's also the value given when the cursor is over the header to the
+ // left of the trace paint area
+ if (hp.x() <= 0) {
+ value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN();
+ } else {
+ try {
+ value_at_hover_pos_ = value_at_pixel_pos_.at(hp.x());
+ } catch (out_of_range&) {
+ value_at_hover_pos_ = std::numeric_limits<float>::quiet_NaN();
+ }
+ }
+}
+
+void AnalogSignal::on_min_max_changed(float min, float max)
{
- perform_autoranging(false, false);
+ (void)min;
+ (void)max;
+
+ if (autoranging_)
+ perform_autoranging(false, false);
}
void AnalogSignal::on_pos_vdivs_changed(int vdivs)
void AnalogSignal::on_conversion_changed(int index)
{
- data::SignalBase::ConversionType old_conv_type = conversion_type_;
+ SignalBase::ConversionType old_conv_type = base_->get_conversion_type();
+
+ SignalBase::ConversionType conv_type =
+ (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt());
+
+ if (conv_type != old_conv_type) {
+ base_->set_conversion_type(conv_type);
+ update_conversion_widgets();
+
+ if (owner_)
+ owner_->row_item_appearance_changed(false, true);
+ }
+}
+
+void AnalogSignal::on_conv_threshold_changed(int index)
+{
+ SignalBase::ConversionType conv_type = base_->get_conversion_type();
+
+ // Note: index is set to -1 if the text in the combo box matches none of
+ // the entries in the combo box
+
+ if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0))
+ return;
+
+ // The combo box entry with the custom value has user_data set to -1
+ const int user_data = conv_threshold_cb_->findText(
+ conv_threshold_cb_->currentText());
+
+ const bool use_custom_thr = (index == -1) || (user_data == -1);
+
+ if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) {
+ // Not one of the preset values, try to parse the combo box text
+ // Note: Regex loosely based on
+ // https://txt2re.com/index-c++.php3?s=0.1V&1&-13
+ QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value
+ QString re2 = "([a-zA-Z]*)"; // SI unit
+ QRegExp regex(re1 + re2);
+
+ const QString text = conv_threshold_cb_->currentText();
+ if (!regex.exactMatch(text))
+ return; // String doesn't match the regex
- conversion_type_ = (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt());
+ QStringList tokens = regex.capturedTexts();
- if (conversion_type_ != old_conv_type) {
- base_->set_conversion_type(conversion_type_);
- update_conversion_type();
+ // For now, we simply assume that the unit is volt without modifiers
+ const double thr = tokens.at(1).toDouble();
+
+ // Only restart the conversion if the threshold was updated.
+ // We're starting a delayed conversion because the user may still be
+ // typing and the UI would lag if we kept on restarting it immediately
+ if (base_->set_conversion_option("threshold_value", thr))
+ base_->start_conversion(true);
+ }
+
+ if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) {
+ // Not one of the preset values, try to parse the combo box text
+ // Note: Regex loosely based on
+ // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15
+ QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value
+ QString re2 = "([a-zA-Z]*)"; // SI unit
+ QString re3 = "\\/"; // Forward slash, not captured
+ QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value
+ QString re5 = "([a-zA-Z]*)"; // SI unit
+ QRegExp regex(re1 + re2 + re3 + re4 + re5);
+
+ const QString text = conv_threshold_cb_->currentText();
+ if (!regex.exactMatch(text))
+ return; // String doesn't match the regex
+
+ QStringList tokens = regex.capturedTexts();
+
+ // For now, we simply assume that the unit is volt without modifiers
+ const double low_thr = tokens.at(1).toDouble();
+ const double high_thr = tokens.at(3).toDouble();
+
+ // Only restart the conversion if one of the options was updated.
+ // We're starting a delayed conversion because the user may still be
+ // typing and the UI would lag if we kept on restarting it immediately
+ bool o1 = base_->set_conversion_option("threshold_value_low", low_thr);
+ bool o2 = base_->set_conversion_option("threshold_value_high", high_thr);
+ if (o1 || o2)
+ base_->start_conversion(true); // Start delayed conversion
}
+
+ base_->set_conversion_preset((SignalBase::ConversionPreset)index);
+
+ // Immediately start the conversion if we're not using custom values
+ // (i.e. we're using one of the presets)
+ if (!use_custom_thr)
+ base_->start_conversion();
+}
+
+void AnalogSignal::on_delayed_conversion_starter()
+{
+ base_->start_conversion();
}
void AnalogSignal::on_display_type_changed(int index)
owner_->row_item_appearance_changed(false, true);
}
+void AnalogSignal::on_settingViewConversionThresholdDispMode_changed(const QVariant new_value)
+{
+ conversion_threshold_disp_mode_ = new_value.toInt();
+
+ if (owner_)
+ owner_->row_item_appearance_changed(false, true);
+}
+
} // namespace trace
} // namespace views
} // namespace pv
projects / pulseview.git / blobdiff