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>
41 #include <pv/view/view.hpp>
43 #include <libsigrokcxx/libsigrokcxx.hpp>
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::EdgeColour(0x80, 0x80, 0x80);
67 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
68 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
69 const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
71 const QColor LogicSignal::SignalColours[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::TriggerMarkerBackgroundColour = 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),
105 signal_height_(QFontMetrics(QApplication::font()).height() * 2),
107 trigger_none_(nullptr),
108 trigger_rising_(nullptr),
109 trigger_high_(nullptr),
110 trigger_falling_(nullptr),
111 trigger_low_(nullptr),
112 trigger_change_(nullptr)
114 shared_ptr<Trigger> trigger;
116 base_->set_colour(SignalColours[base->index() % countof(SignalColours)]);
118 /* Populate this channel's trigger setting with whatever we
119 * find in the current session trigger, if anything. */
120 trigger_match_ = nullptr;
121 if ((trigger = session_.session()->trigger()))
122 for (auto stage : trigger->stages())
123 for (auto match : stage->matches())
124 if (match->channel() == base_->channel())
125 trigger_match_ = match->type();
128 shared_ptr<pv::data::SignalData> LogicSignal::data() const
130 return base_->logic_data();
133 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
135 return base_->logic_data();
138 pair<int, int> LogicSignal::v_extents() const
140 const int signal_margin =
141 QFontMetrics(QApplication::font()).height() / 2;
142 return make_pair(-signal_height_ - signal_margin, signal_margin);
145 int LogicSignal::scale_handle_offset() const
147 return -signal_height_;
150 void LogicSignal::scale_handle_dragged(int offset)
152 const int font_height = QFontMetrics(QApplication::font()).height();
153 const int units = (-offset / font_height);
154 signal_height_ = ((units < 1) ? 1 : units) * font_height;
157 void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
161 vector< pair<int64_t, bool> > edges;
166 const int y = get_visual_y();
168 if (!base_->enabled())
171 const float high_offset = y - signal_height_ + 0.5f;
172 const float low_offset = y + 0.5f;
174 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
175 base_->logic_data()->logic_segments();
176 if (segments.empty())
179 const shared_ptr<pv::data::LogicSegment> &segment = segments.front();
181 double samplerate = segment->samplerate();
183 // Show sample rate as 1Hz when it is unknown
184 if (samplerate == 0.0)
187 const double pixels_offset = pp.pixels_offset();
188 const pv::util::Timestamp& start_time = segment->start_time();
189 const int64_t last_sample = segment->get_sample_count() - 1;
190 const double samples_per_pixel = samplerate * pp.scale();
191 const double pixels_per_sample = 1 / samples_per_pixel;
192 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
193 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
195 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
196 (int64_t)0), last_sample);
197 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
198 (int64_t)0), last_sample);
200 segment->get_subsampled_edges(edges, start_sample, end_sample,
201 samples_per_pixel / Oversampling, base_->index());
202 assert(edges.size() >= 2);
204 // Check whether we need to paint the sampling points
205 GlobalSettings settings;
206 const bool show_sampling_points =
207 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
208 (samples_per_pixel < 0.25);
210 vector<QRectF> sampling_points;
211 float sampling_point_x = 0.0f;
212 int64_t sampling_point_sample = start_sample;
215 if (show_sampling_points) {
216 sampling_points.reserve(end_sample - start_sample + 1);
217 sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
221 const unsigned int edge_count = edges.size() - 2;
222 QLineF *const edge_lines = new QLineF[edge_count];
225 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
226 const float x = ((*i).first / samples_per_pixel -
227 pixels_offset) + pp.left();
228 *line++ = QLineF(x, high_offset, x, low_offset);
230 if (show_sampling_points)
231 while (sampling_point_sample < (*i).first) {
232 const float y = (*i).second ? low_offset : high_offset;
233 sampling_points.emplace_back(
234 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
235 sampling_point_sample++;
236 sampling_point_x += pixels_per_sample;
240 // Calculate the sample points from the last edge to the end of the trace
241 if (show_sampling_points)
242 while ((uint64_t)sampling_point_sample <= end_sample) {
243 // Signal changed after the last edge, so the level is inverted
244 const float y = (edges.cend() - 1)->second ? high_offset : low_offset;
245 sampling_points.emplace_back(
246 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
247 sampling_point_sample++;
248 sampling_point_x += pixels_per_sample;
251 p.setPen(EdgeColour);
252 p.drawLines(edge_lines, edge_count);
256 const unsigned int max_cap_line_count = edges.size();
257 QLineF *const cap_lines = new QLineF[max_cap_line_count];
259 p.setPen(HighColour);
260 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
261 pixels_offset, pp.left(), high_offset);
263 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
264 pixels_offset, pp.left(), low_offset);
268 // Paint the sampling points
269 if (show_sampling_points) {
270 p.setPen(SamplingPointColour);
271 p.drawRects(sampling_points.data(), sampling_points.size());
275 void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
277 // Draw the trigger marker
278 if (!trigger_match_ || !base_->enabled())
281 const int y = get_visual_y();
282 const vector<int32_t> trig_types = get_trigger_types();
283 for (int32_t type_id : trig_types) {
284 const TriggerMatchType *const type =
285 TriggerMatchType::get(type_id);
286 if (trigger_match_ != type || type_id < 0 ||
287 (size_t)type_id >= countof(TriggerMarkerIcons) ||
288 !TriggerMarkerIcons[type_id])
291 const QPixmap *const pixmap = get_pixmap(
292 TriggerMarkerIcons[type_id]);
296 const float pad = TriggerMarkerPadding - 0.5f;
297 const QSize size = pixmap->size();
299 pp.right() - size.width() - pad * 2,
300 y - (signal_height_ + size.height()) / 2);
302 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
303 p.setBrush(TriggerMarkerBackgroundColour);
304 p.drawRoundedRect(QRectF(point, size).adjusted(
305 -pad, -pad, pad, pad), pad, pad);
306 p.drawPixmap(point, *pixmap);
312 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
313 vector< pair<int64_t, bool> > &edges, bool level,
314 double samples_per_pixel, double pixels_offset, float x_offset,
317 QLineF *line = lines;
319 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
320 if ((*i).second == level) {
322 ((*i).first / samples_per_pixel -
323 pixels_offset) + x_offset, y_offset,
324 ((*(i+1)).first / samples_per_pixel -
325 pixels_offset) + x_offset, y_offset);
328 p.drawLines(lines, line - lines);
331 void LogicSignal::init_trigger_actions(QWidget *parent)
333 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
334 tr("No trigger"), parent);
335 trigger_none_->setCheckable(true);
336 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
338 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
339 tr("Trigger on rising edge"), parent);
340 trigger_rising_->setCheckable(true);
341 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
343 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
344 tr("Trigger on high level"), parent);
345 trigger_high_->setCheckable(true);
346 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
348 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
349 tr("Trigger on falling edge"), parent);
350 trigger_falling_->setCheckable(true);
351 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
353 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
354 tr("Trigger on low level"), parent);
355 trigger_low_->setCheckable(true);
356 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
358 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
359 tr("Trigger on rising or falling edge"), parent);
360 trigger_change_->setCheckable(true);
361 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
364 const vector<int32_t> LogicSignal::get_trigger_types() const
366 // We may not be associated with a device
368 return vector<int32_t>();
370 const auto sr_dev = device_->device();
371 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
372 const Glib::VariantContainerBase gvar =
373 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
375 vector<int32_t> ttypes;
377 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
378 Glib::VariantBase tmp_vb;
379 gvar.get_child(tmp_vb, i);
381 Glib::Variant<int32_t> tmp_v =
382 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
384 ttypes.push_back(tmp_v.get());
389 return vector<int32_t>();
393 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
397 action = trigger_none_;
399 switch (type->id()) {
400 case SR_TRIGGER_ZERO:
401 action = trigger_low_;
404 action = trigger_high_;
406 case SR_TRIGGER_RISING:
407 action = trigger_rising_;
409 case SR_TRIGGER_FALLING:
410 action = trigger_falling_;
412 case SR_TRIGGER_EDGE:
413 action = trigger_change_;
423 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
425 if (action == trigger_low_)
426 return TriggerMatchType::ZERO;
427 else if (action == trigger_high_)
428 return TriggerMatchType::ONE;
429 else if (action == trigger_rising_)
430 return TriggerMatchType::RISING;
431 else if (action == trigger_falling_)
432 return TriggerMatchType::FALLING;
433 else if (action == trigger_change_)
434 return TriggerMatchType::EDGE;
439 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
441 Signal::populate_popup_form(parent, form);
443 const vector<int32_t> trig_types = get_trigger_types();
445 if (!trig_types.empty()) {
446 trigger_bar_ = new QToolBar(parent);
447 init_trigger_actions(trigger_bar_);
448 trigger_bar_->addAction(trigger_none_);
449 trigger_none_->setChecked(!trigger_match_);
451 for (auto type_id : trig_types) {
452 const TriggerMatchType *const type =
453 TriggerMatchType::get(type_id);
454 QAction *const action = action_from_trigger_type(type);
455 trigger_bar_->addAction(action);
456 action->setChecked(trigger_match_ == type);
458 form->addRow(tr("Trigger"), trigger_bar_);
462 void LogicSignal::modify_trigger()
464 auto trigger = session_.session()->trigger();
465 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
468 for (auto stage : trigger->stages()) {
469 const auto &matches = stage->matches();
470 if (none_of(matches.begin(), matches.end(),
471 [&](shared_ptr<TriggerMatch> match) {
472 return match->channel() != base_->channel(); }))
475 auto new_stage = new_trigger->add_stage();
476 for (auto match : stage->matches()) {
477 if (match->channel() == base_->channel())
479 new_stage->add_match(match->channel(), match->type());
484 if (trigger_match_) {
485 // Until we can let the user decide how to group trigger matches
486 // into stages, put all of the matches into a single stage --
487 // most devices only support a single trigger stage.
488 if (new_trigger->stages().empty())
489 new_trigger->add_stage();
491 new_trigger->stages().back()->add_match(base_->channel(),
495 session_.session()->set_trigger(
496 new_trigger->stages().empty() ? nullptr : new_trigger);
499 owner_->row_item_appearance_changed(false, true);
502 const QIcon* LogicSignal::get_icon(const char *path)
504 if (!icon_cache_.contains(path)) {
505 const QIcon *icon = new QIcon(path);
506 icon_cache_.insert(path, icon);
509 return icon_cache_.take(path);
512 const QPixmap* LogicSignal::get_pixmap(const char *path)
514 if (!pixmap_cache_.contains(path)) {
515 const QPixmap *pixmap = new QPixmap(path);
516 pixmap_cache_.insert(path, pixmap);
519 return pixmap_cache_.take(path);
522 void LogicSignal::on_trigger()
526 action_from_trigger_type(trigger_match_)->setChecked(false);
528 action = (QAction *)sender();
529 action->setChecked(true);
530 trigger_match_ = trigger_type_from_action(action);
535 } // namespace TraceView