2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
27 #include <QApplication>
28 #include <QFormLayout>
31 #include "logicsignal.hpp"
34 #include <pv/data/logic.hpp>
35 #include <pv/data/logicsegment.hpp>
36 #include <pv/data/signalbase.hpp>
37 #include <pv/devicemanager.hpp>
38 #include <pv/devices/device.hpp>
39 #include <pv/globalsettings.hpp>
40 #include <pv/session.hpp>
42 #include <libsigrokcxx/libsigrokcxx.hpp>
49 using std::out_of_range;
51 using std::shared_ptr;
54 using sigrok::ConfigKey;
55 using sigrok::Capability;
56 using sigrok::Trigger;
57 using sigrok::TriggerMatch;
58 using sigrok::TriggerMatchType;
64 const float LogicSignal::Oversampling = 2.0f;
66 const QColor LogicSignal::EdgeColor(0x80, 0x80, 0x80);
67 const QColor LogicSignal::HighColor(0x00, 0xC0, 0x00);
68 const QColor LogicSignal::LowColor(0xC0, 0x00, 0x00);
69 const QColor LogicSignal::SamplingPointColor(0x77, 0x77, 0x77);
71 const QColor LogicSignal::SignalColors[10] = {
72 QColor(0x16, 0x19, 0x1A), // Black
73 QColor(0x8F, 0x52, 0x02), // Brown
74 QColor(0xCC, 0x00, 0x00), // Red
75 QColor(0xF5, 0x79, 0x00), // Orange
76 QColor(0xED, 0xD4, 0x00), // Yellow
77 QColor(0x73, 0xD2, 0x16), // Green
78 QColor(0x34, 0x65, 0xA4), // Blue
79 QColor(0x75, 0x50, 0x7B), // Violet
80 QColor(0x88, 0x8A, 0x85), // Grey
81 QColor(0xEE, 0xEE, 0xEC), // White
84 QColor LogicSignal::TriggerMarkerBackgroundColor = QColor(0xED, 0xD4, 0x00);
85 const int LogicSignal::TriggerMarkerPadding = 2;
86 const char* LogicSignal::TriggerMarkerIcons[8] = {
88 ":/icons/trigger-marker-low.svg",
89 ":/icons/trigger-marker-high.svg",
90 ":/icons/trigger-marker-rising.svg",
91 ":/icons/trigger-marker-falling.svg",
92 ":/icons/trigger-marker-change.svg",
97 QCache<QString, const QIcon> LogicSignal::icon_cache_;
98 QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
100 LogicSignal::LogicSignal(
101 pv::Session &session,
102 shared_ptr<devices::Device> device,
103 shared_ptr<data::SignalBase> base) :
104 Signal(session, base),
106 trigger_none_(nullptr),
107 trigger_rising_(nullptr),
108 trigger_high_(nullptr),
109 trigger_falling_(nullptr),
110 trigger_low_(nullptr),
111 trigger_change_(nullptr)
113 shared_ptr<Trigger> trigger;
115 base_->set_color(SignalColors[base->index() % countof(SignalColors)]);
118 signal_height_ = gs.value(GlobalSettings::Key_View_DefaultLogicHeight).toInt();
120 /* Populate this channel's trigger setting with whatever we
121 * find in the current session trigger, if anything. */
122 trigger_match_ = nullptr;
123 if ((trigger = session_.session()->trigger()))
124 for (auto stage : trigger->stages())
125 for (auto match : stage->matches())
126 if (match->channel() == base_->channel())
127 trigger_match_ = match->type();
130 shared_ptr<pv::data::SignalData> LogicSignal::data() const
132 return base_->logic_data();
135 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
137 return base_->logic_data();
140 void LogicSignal::save_settings(QSettings &settings) const
142 settings.setValue("trace_height", signal_height_);
145 void LogicSignal::restore_settings(QSettings &settings)
147 if (settings.contains("trace_height")) {
148 const int old_height = signal_height_;
149 signal_height_ = settings.value("trace_height").toInt();
151 if ((signal_height_ != old_height) && owner_) {
152 // Call order is important, otherwise the lazy event handler won't work
153 owner_->extents_changed(false, true);
154 owner_->row_item_appearance_changed(false, true);
159 pair<int, int> LogicSignal::v_extents() const
161 const int signal_margin =
162 QFontMetrics(QApplication::font()).height() / 2;
163 return make_pair(-signal_height_ - signal_margin, signal_margin);
166 int LogicSignal::scale_handle_offset() const
168 return -signal_height_;
171 void LogicSignal::scale_handle_dragged(int offset)
173 const int font_height = QFontMetrics(QApplication::font()).height();
174 const int units = (-offset / font_height);
175 signal_height_ = ((units < 1) ? 1 : units) * font_height;
178 void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
182 vector< pair<int64_t, bool> > edges;
187 const int y = get_visual_y();
189 if (!base_->enabled())
192 const float high_offset = y - signal_height_ + 0.5f;
193 const float low_offset = y + 0.5f;
195 shared_ptr<pv::data::LogicSegment> segment = get_logic_segment_to_paint();
196 if (!segment || (segment->get_sample_count() == 0))
199 double samplerate = segment->samplerate();
201 // Show sample rate as 1Hz when it is unknown
202 if (samplerate == 0.0)
205 const double pixels_offset = pp.pixels_offset();
206 const pv::util::Timestamp& start_time = segment->start_time();
207 const int64_t last_sample = (int64_t)segment->get_sample_count() - 1;
208 const double samples_per_pixel = samplerate * pp.scale();
209 const double pixels_per_sample = 1 / samples_per_pixel;
210 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
211 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
213 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
214 (int64_t)0), last_sample);
215 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
216 (int64_t)0), last_sample);
218 segment->get_subsampled_edges(edges, start_sample, end_sample,
219 samples_per_pixel / Oversampling, base_->index());
220 assert(edges.size() >= 2);
222 // Check whether we need to paint the sampling points
223 GlobalSettings settings;
224 const bool show_sampling_points =
225 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
226 (samples_per_pixel < 0.25);
228 vector<QRectF> sampling_points;
229 float sampling_point_x = 0.0f;
230 int64_t sampling_point_sample = start_sample;
233 if (show_sampling_points) {
234 sampling_points.reserve(end_sample - start_sample + 1);
235 sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
239 const unsigned int edge_count = edges.size() - 2;
240 QLineF *const edge_lines = new QLineF[edge_count];
243 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
244 const float x = ((*i).first / samples_per_pixel -
245 pixels_offset) + pp.left();
246 *line++ = QLineF(x, high_offset, x, low_offset);
248 if (show_sampling_points)
249 while (sampling_point_sample < (*i).first) {
250 const float y = (*i).second ? low_offset : high_offset;
251 sampling_points.emplace_back(
252 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
253 sampling_point_sample++;
254 sampling_point_x += pixels_per_sample;
258 // Calculate the sample points from the last edge to the end of the trace
259 if (show_sampling_points)
260 while ((uint64_t)sampling_point_sample <= end_sample) {
261 // Signal changed after the last edge, so the level is inverted
262 const float y = (edges.cend() - 1)->second ? high_offset : low_offset;
263 sampling_points.emplace_back(
264 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
265 sampling_point_sample++;
266 sampling_point_x += pixels_per_sample;
270 p.drawLines(edge_lines, edge_count);
274 const unsigned int max_cap_line_count = edges.size();
275 QLineF *const cap_lines = new QLineF[max_cap_line_count];
278 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
279 pixels_offset, pp.left(), high_offset);
281 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
282 pixels_offset, pp.left(), low_offset);
286 // Paint the sampling points
287 if (show_sampling_points) {
288 p.setPen(SamplingPointColor);
289 p.drawRects(sampling_points.data(), sampling_points.size());
293 void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
295 // Draw the trigger marker
296 if (!trigger_match_ || !base_->enabled())
299 const int y = get_visual_y();
300 const vector<int32_t> trig_types = get_trigger_types();
301 for (int32_t type_id : trig_types) {
302 const TriggerMatchType *const type =
303 TriggerMatchType::get(type_id);
304 if (trigger_match_ != type || type_id < 0 ||
305 (size_t)type_id >= countof(TriggerMarkerIcons) ||
306 !TriggerMarkerIcons[type_id])
309 const QPixmap *const pixmap = get_pixmap(
310 TriggerMarkerIcons[type_id]);
314 const float pad = TriggerMarkerPadding - 0.5f;
315 const QSize size = pixmap->size();
317 pp.right() - size.width() - pad * 2,
318 y - (signal_height_ + size.height()) / 2);
320 p.setPen(QPen(TriggerMarkerBackgroundColor.darker()));
321 p.setBrush(TriggerMarkerBackgroundColor);
322 p.drawRoundedRect(QRectF(point, size).adjusted(
323 -pad, -pad, pad, pad), pad, pad);
324 p.drawPixmap(point, *pixmap);
330 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
331 vector< pair<int64_t, bool> > &edges, bool level,
332 double samples_per_pixel, double pixels_offset, float x_offset,
335 QLineF *line = lines;
337 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
338 if ((*i).second == level) {
340 ((*i).first / samples_per_pixel -
341 pixels_offset) + x_offset, y_offset,
342 ((*(i+1)).first / samples_per_pixel -
343 pixels_offset) + x_offset, y_offset);
346 p.drawLines(lines, line - lines);
349 shared_ptr<pv::data::LogicSegment> LogicSignal::get_logic_segment_to_paint() const
351 shared_ptr<pv::data::LogicSegment> segment;
353 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
354 base_->logic_data()->logic_segments();
356 if (!segments.empty()) {
357 if (segment_display_mode_ == ShowLastSegmentOnly) {
358 segment = segments.back();
361 if ((segment_display_mode_ == ShowSingleSegmentOnly) ||
362 (segment_display_mode_ == ShowLastCompleteSegmentOnly)) {
364 segment = segments.at(current_segment_);
365 } catch (out_of_range&) {
366 qDebug() << "Current logic segment out of range for signal" << base_->name() << ":" << current_segment_;
374 void LogicSignal::init_trigger_actions(QWidget *parent)
376 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
377 tr("No trigger"), parent);
378 trigger_none_->setCheckable(true);
379 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
381 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
382 tr("Trigger on rising edge"), parent);
383 trigger_rising_->setCheckable(true);
384 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
386 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
387 tr("Trigger on high level"), parent);
388 trigger_high_->setCheckable(true);
389 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
391 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
392 tr("Trigger on falling edge"), parent);
393 trigger_falling_->setCheckable(true);
394 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
396 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
397 tr("Trigger on low level"), parent);
398 trigger_low_->setCheckable(true);
399 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
401 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
402 tr("Trigger on rising or falling edge"), parent);
403 trigger_change_->setCheckable(true);
404 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
407 const vector<int32_t> LogicSignal::get_trigger_types() const
409 // We may not be associated with a device
411 return vector<int32_t>();
413 const auto sr_dev = device_->device();
414 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
415 const Glib::VariantContainerBase gvar =
416 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
418 vector<int32_t> ttypes;
420 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
421 Glib::VariantBase tmp_vb;
422 gvar.get_child(tmp_vb, i);
424 Glib::Variant<int32_t> tmp_v =
425 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
427 ttypes.push_back(tmp_v.get());
432 return vector<int32_t>();
436 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
440 action = trigger_none_;
442 switch (type->id()) {
443 case SR_TRIGGER_ZERO:
444 action = trigger_low_;
447 action = trigger_high_;
449 case SR_TRIGGER_RISING:
450 action = trigger_rising_;
452 case SR_TRIGGER_FALLING:
453 action = trigger_falling_;
455 case SR_TRIGGER_EDGE:
456 action = trigger_change_;
466 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
468 if (action == trigger_low_)
469 return TriggerMatchType::ZERO;
470 else if (action == trigger_high_)
471 return TriggerMatchType::ONE;
472 else if (action == trigger_rising_)
473 return TriggerMatchType::RISING;
474 else if (action == trigger_falling_)
475 return TriggerMatchType::FALLING;
476 else if (action == trigger_change_)
477 return TriggerMatchType::EDGE;
482 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
484 Signal::populate_popup_form(parent, form);
486 signal_height_sb_ = new QSpinBox(parent);
487 signal_height_sb_->setRange(5, 1000);
488 signal_height_sb_->setSingleStep(5);
489 signal_height_sb_->setSuffix(tr(" pixels"));
490 signal_height_sb_->setValue(signal_height_);
491 connect(signal_height_sb_, SIGNAL(valueChanged(int)),
492 this, SLOT(on_signal_height_changed(int)));
493 form->addRow(tr("Trace height"), signal_height_sb_);
496 const vector<int32_t> trig_types = get_trigger_types();
498 if (!trig_types.empty()) {
499 trigger_bar_ = new QToolBar(parent);
500 init_trigger_actions(trigger_bar_);
501 trigger_bar_->addAction(trigger_none_);
502 trigger_none_->setChecked(!trigger_match_);
504 for (auto type_id : trig_types) {
505 const TriggerMatchType *const type =
506 TriggerMatchType::get(type_id);
507 QAction *const action = action_from_trigger_type(type);
508 trigger_bar_->addAction(action);
509 action->setChecked(trigger_match_ == type);
511 form->addRow(tr("Trigger"), trigger_bar_);
515 void LogicSignal::modify_trigger()
517 auto trigger = session_.session()->trigger();
518 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
521 for (auto stage : trigger->stages()) {
522 const auto &matches = stage->matches();
523 if (none_of(matches.begin(), matches.end(),
524 [&](shared_ptr<TriggerMatch> match) {
525 return match->channel() != base_->channel(); }))
528 auto new_stage = new_trigger->add_stage();
529 for (auto match : stage->matches()) {
530 if (match->channel() == base_->channel())
532 new_stage->add_match(match->channel(), match->type());
537 if (trigger_match_) {
538 // Until we can let the user decide how to group trigger matches
539 // into stages, put all of the matches into a single stage --
540 // most devices only support a single trigger stage.
541 if (new_trigger->stages().empty())
542 new_trigger->add_stage();
544 new_trigger->stages().back()->add_match(base_->channel(),
548 session_.session()->set_trigger(
549 new_trigger->stages().empty() ? nullptr : new_trigger);
552 owner_->row_item_appearance_changed(false, true);
555 const QIcon* LogicSignal::get_icon(const char *path)
557 if (!icon_cache_.contains(path)) {
558 const QIcon *icon = new QIcon(path);
559 icon_cache_.insert(path, icon);
562 return icon_cache_.take(path);
565 const QPixmap* LogicSignal::get_pixmap(const char *path)
567 if (!pixmap_cache_.contains(path)) {
568 const QPixmap *pixmap = new QPixmap(path);
569 pixmap_cache_.insert(path, pixmap);
572 return pixmap_cache_.take(path);
575 void LogicSignal::on_trigger()
579 action_from_trigger_type(trigger_match_)->setChecked(false);
581 action = (QAction *)sender();
582 action->setChecked(true);
583 trigger_match_ = trigger_type_from_action(action);
588 void LogicSignal::on_signal_height_changed(int height)
590 signal_height_ = height;
593 // Call order is important, otherwise the lazy event handler won't work
594 owner_->extents_changed(false, true);
595 owner_->row_item_appearance_changed(false, true);