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/session.hpp>
35 #include <pv/devicemanager.hpp>
36 #include <pv/devices/device.hpp>
37 #include <pv/data/logic.hpp>
38 #include <pv/data/logicsegment.hpp>
39 #include <pv/data/signalbase.hpp>
40 #include <pv/view/view.hpp>
41 #include <pv/globalsettings.hpp>
43 #include <libsigrokcxx/libsigrokcxx.hpp>
50 using std::shared_ptr;
53 using sigrok::ConfigKey;
54 using sigrok::Capability;
56 using sigrok::Trigger;
57 using sigrok::TriggerStage;
58 using sigrok::TriggerMatch;
59 using sigrok::TriggerMatchType;
65 const float LogicSignal::Oversampling = 2.0f;
67 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
68 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
69 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
70 const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
72 const QColor LogicSignal::SignalColours[10] = {
73 QColor(0x16, 0x19, 0x1A), // Black
74 QColor(0x8F, 0x52, 0x02), // Brown
75 QColor(0xCC, 0x00, 0x00), // Red
76 QColor(0xF5, 0x79, 0x00), // Orange
77 QColor(0xED, 0xD4, 0x00), // Yellow
78 QColor(0x73, 0xD2, 0x16), // Green
79 QColor(0x34, 0x65, 0xA4), // Blue
80 QColor(0x75, 0x50, 0x7B), // Violet
81 QColor(0x88, 0x8A, 0x85), // Grey
82 QColor(0xEE, 0xEE, 0xEC), // White
85 QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
86 const int LogicSignal::TriggerMarkerPadding = 2;
87 const char* LogicSignal::TriggerMarkerIcons[8] = {
89 ":/icons/trigger-marker-low.svg",
90 ":/icons/trigger-marker-high.svg",
91 ":/icons/trigger-marker-rising.svg",
92 ":/icons/trigger-marker-falling.svg",
93 ":/icons/trigger-marker-change.svg",
98 QCache<QString, const QIcon> LogicSignal::icon_cache_;
99 QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
101 LogicSignal::LogicSignal(
102 pv::Session &session,
103 shared_ptr<devices::Device> device,
104 shared_ptr<data::SignalBase> base) :
105 Signal(session, base),
106 signal_height_(QFontMetrics(QApplication::font()).height() * 2),
108 trigger_none_(nullptr),
109 trigger_rising_(nullptr),
110 trigger_high_(nullptr),
111 trigger_falling_(nullptr),
112 trigger_low_(nullptr),
113 trigger_change_(nullptr)
115 shared_ptr<Trigger> trigger;
117 base_->set_colour(SignalColours[base->index() % countof(SignalColours)]);
119 /* Populate this channel's trigger setting with whatever we
120 * find in the current session trigger, if anything. */
121 trigger_match_ = nullptr;
122 if ((trigger = session_.session()->trigger()))
123 for (auto stage : trigger->stages())
124 for (auto match : stage->matches())
125 if (match->channel() == base_->channel())
126 trigger_match_ = match->type();
129 shared_ptr<pv::data::SignalData> LogicSignal::data() const
131 return base_->logic_data();
134 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
136 return base_->logic_data();
139 std::pair<int, int> LogicSignal::v_extents() const
141 const int signal_margin =
142 QFontMetrics(QApplication::font()).height() / 2;
143 return make_pair(-signal_height_ - signal_margin, signal_margin);
146 int LogicSignal::scale_handle_offset() const
148 return -signal_height_;
151 void LogicSignal::scale_handle_dragged(int offset)
153 const int font_height = QFontMetrics(QApplication::font()).height();
154 const int units = (-offset / font_height);
155 signal_height_ = ((units < 1) ? 1 : units) * font_height;
158 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
162 vector< pair<int64_t, bool> > edges;
167 const int y = get_visual_y();
169 if (!base_->enabled())
172 const float high_offset = y - signal_height_ + 0.5f;
173 const float low_offset = y + 0.5f;
175 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
176 base_->logic_data()->logic_segments();
177 if (segments.empty())
180 const shared_ptr<pv::data::LogicSegment> &segment =
183 double samplerate = segment->samplerate();
185 // Show sample rate as 1Hz when it is unknown
186 if (samplerate == 0.0)
189 const double pixels_offset = pp.pixels_offset();
190 const pv::util::Timestamp& start_time = segment->start_time();
191 const int64_t last_sample = segment->get_sample_count() - 1;
192 const double samples_per_pixel = samplerate * pp.scale();
193 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
194 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
196 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
197 (int64_t)0), last_sample);
198 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
199 (int64_t)0), last_sample);
201 segment->get_subsampled_edges(edges, start_sample, end_sample,
202 samples_per_pixel / Oversampling, base_->index());
203 assert(edges.size() >= 2);
206 const unsigned int edge_count = edges.size() - 2;
207 QLineF *const edge_lines = new QLineF[edge_count];
210 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
211 const float x = ((*i).first / samples_per_pixel -
212 pixels_offset) + pp.left();
213 *line++ = QLineF(x, high_offset, x, low_offset);
216 p.setPen(EdgeColour);
217 p.drawLines(edge_lines, edge_count);
221 const unsigned int max_cap_line_count = edges.size();
222 QLineF *const cap_lines = new QLineF[max_cap_line_count];
224 p.setPen(HighColour);
225 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
226 pixels_offset, pp.left(), high_offset);
228 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
229 pixels_offset, pp.left(), low_offset);
233 // Return if we don't need to paint the sampling points
234 GlobalSettings settings;
235 const bool show_sampling_points =
236 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
238 if (!show_sampling_points || (samples_per_pixel >= 0.25))
241 // Paint the sampling points
242 const uint64_t sampling_points_count = end_sample - start_sample + 1;
243 QRectF *const sampling_points = new QRectF[sampling_points_count];
244 QRectF *sampling_point = sampling_points;
247 const float y_middle = high_offset - ((high_offset - low_offset) / 2);
248 for (uint64_t i = start_sample; i < end_sample + 1; ++i) {
249 const float x = (i / samples_per_pixel - pixels_offset) + pp.left();
250 *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w);
253 p.setPen(SamplingPointColour);
254 p.drawRects(sampling_points, sampling_points_count);
255 delete[] sampling_points;
258 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
260 // Draw the trigger marker
261 if (!trigger_match_ || !base_->enabled())
264 const int y = get_visual_y();
265 const vector<int32_t> trig_types = get_trigger_types();
266 for (int32_t type_id : trig_types) {
267 const TriggerMatchType *const type =
268 TriggerMatchType::get(type_id);
269 if (trigger_match_ != type || type_id < 0 ||
270 (size_t)type_id >= countof(TriggerMarkerIcons) ||
271 !TriggerMarkerIcons[type_id])
274 const QPixmap *const pixmap = get_pixmap(
275 TriggerMarkerIcons[type_id]);
279 const float pad = TriggerMarkerPadding - 0.5f;
280 const QSize size = pixmap->size();
282 pp.right() - size.width() - pad * 2,
283 y - (signal_height_ + size.height()) / 2);
285 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
286 p.setBrush(TriggerMarkerBackgroundColour);
287 p.drawRoundedRect(QRectF(point, size).adjusted(
288 -pad, -pad, pad, pad), pad, pad);
289 p.drawPixmap(point, *pixmap);
295 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
296 vector< pair<int64_t, bool> > &edges, bool level,
297 double samples_per_pixel, double pixels_offset, float x_offset,
300 QLineF *line = lines;
302 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
303 if ((*i).second == level) {
305 ((*i).first / samples_per_pixel -
306 pixels_offset) + x_offset, y_offset,
307 ((*(i+1)).first / samples_per_pixel -
308 pixels_offset) + x_offset, y_offset);
311 p.drawLines(lines, line - lines);
314 void LogicSignal::init_trigger_actions(QWidget *parent)
316 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
317 tr("No trigger"), parent);
318 trigger_none_->setCheckable(true);
319 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
321 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
322 tr("Trigger on rising edge"), parent);
323 trigger_rising_->setCheckable(true);
324 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
326 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
327 tr("Trigger on high level"), parent);
328 trigger_high_->setCheckable(true);
329 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
331 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
332 tr("Trigger on falling edge"), parent);
333 trigger_falling_->setCheckable(true);
334 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
336 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
337 tr("Trigger on low level"), parent);
338 trigger_low_->setCheckable(true);
339 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
341 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
342 tr("Trigger on rising or falling edge"), parent);
343 trigger_change_->setCheckable(true);
344 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
347 const vector<int32_t> LogicSignal::get_trigger_types() const
349 const auto sr_dev = device_->device();
350 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
351 const Glib::VariantContainerBase gvar =
352 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
354 vector<int32_t> ttypes;
356 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
357 Glib::VariantBase tmp_vb;
358 gvar.get_child(tmp_vb, i);
360 Glib::Variant<int32_t> tmp_v =
361 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
363 ttypes.push_back(tmp_v.get());
368 return vector<int32_t>();
372 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
376 action = trigger_none_;
378 switch (type->id()) {
379 case SR_TRIGGER_ZERO:
380 action = trigger_low_;
383 action = trigger_high_;
385 case SR_TRIGGER_RISING:
386 action = trigger_rising_;
388 case SR_TRIGGER_FALLING:
389 action = trigger_falling_;
391 case SR_TRIGGER_EDGE:
392 action = trigger_change_;
402 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
404 if (action == trigger_low_)
405 return TriggerMatchType::ZERO;
406 else if (action == trigger_high_)
407 return TriggerMatchType::ONE;
408 else if (action == trigger_rising_)
409 return TriggerMatchType::RISING;
410 else if (action == trigger_falling_)
411 return TriggerMatchType::FALLING;
412 else if (action == trigger_change_)
413 return TriggerMatchType::EDGE;
418 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
420 Signal::populate_popup_form(parent, form);
422 const vector<int32_t> trig_types = get_trigger_types();
424 if (!trig_types.empty()) {
425 trigger_bar_ = new QToolBar(parent);
426 init_trigger_actions(trigger_bar_);
427 trigger_bar_->addAction(trigger_none_);
428 trigger_none_->setChecked(!trigger_match_);
430 for (auto type_id : trig_types) {
431 const TriggerMatchType *const type =
432 TriggerMatchType::get(type_id);
433 QAction *const action = action_from_trigger_type(type);
434 trigger_bar_->addAction(action);
435 action->setChecked(trigger_match_ == type);
437 form->addRow(tr("Trigger"), trigger_bar_);
441 void LogicSignal::modify_trigger()
443 auto trigger = session_.session()->trigger();
444 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
447 for (auto stage : trigger->stages()) {
448 const auto &matches = stage->matches();
449 if (std::none_of(matches.begin(), matches.end(),
450 [&](shared_ptr<TriggerMatch> match) {
451 return match->channel() != base_->channel(); }))
454 auto new_stage = new_trigger->add_stage();
455 for (auto match : stage->matches()) {
456 if (match->channel() == base_->channel())
458 new_stage->add_match(match->channel(), match->type());
463 if (trigger_match_) {
464 // Until we can let the user decide how to group trigger matches
465 // into stages, put all of the matches into a single stage --
466 // most devices only support a single trigger stage.
467 if (new_trigger->stages().empty())
468 new_trigger->add_stage();
470 new_trigger->stages().back()->add_match(base_->channel(),
474 session_.session()->set_trigger(
475 new_trigger->stages().empty() ? nullptr : new_trigger);
478 owner_->row_item_appearance_changed(false, true);
481 const QIcon* LogicSignal::get_icon(const char *path)
483 if (!icon_cache_.contains(path)) {
484 const QIcon *icon = new QIcon(path);
485 icon_cache_.insert(path, icon);
488 return icon_cache_.take(path);
491 const QPixmap* LogicSignal::get_pixmap(const char *path)
493 if (!pixmap_cache_.contains(path)) {
494 const QPixmap *pixmap = new QPixmap(path);
495 pixmap_cache_.insert(path, pixmap);
498 return pixmap_cache_.take(path);
501 void LogicSignal::on_trigger()
505 action_from_trigger_type(trigger_match_)->setChecked(false);
507 action = (QAction *)sender();
508 action->setChecked(true);
509 trigger_match_ = trigger_type_from_action(action);
514 } // namespace TraceView