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>
50 using std::shared_ptr;
53 using sigrok::ConfigKey;
54 using sigrok::Capability;
55 using sigrok::Trigger;
56 using sigrok::TriggerMatch;
57 using sigrok::TriggerMatchType;
63 const float LogicSignal::Oversampling = 2.0f;
65 const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80);
66 const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00);
67 const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00);
68 const QColor LogicSignal::SamplingPointColour(0x77, 0x77, 0x77);
70 const QColor LogicSignal::SignalColours[10] = {
71 QColor(0x16, 0x19, 0x1A), // Black
72 QColor(0x8F, 0x52, 0x02), // Brown
73 QColor(0xCC, 0x00, 0x00), // Red
74 QColor(0xF5, 0x79, 0x00), // Orange
75 QColor(0xED, 0xD4, 0x00), // Yellow
76 QColor(0x73, 0xD2, 0x16), // Green
77 QColor(0x34, 0x65, 0xA4), // Blue
78 QColor(0x75, 0x50, 0x7B), // Violet
79 QColor(0x88, 0x8A, 0x85), // Grey
80 QColor(0xEE, 0xEE, 0xEC), // White
83 QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
84 const int LogicSignal::TriggerMarkerPadding = 2;
85 const char* LogicSignal::TriggerMarkerIcons[8] = {
87 ":/icons/trigger-marker-low.svg",
88 ":/icons/trigger-marker-high.svg",
89 ":/icons/trigger-marker-rising.svg",
90 ":/icons/trigger-marker-falling.svg",
91 ":/icons/trigger-marker-change.svg",
96 QCache<QString, const QIcon> LogicSignal::icon_cache_;
97 QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
99 LogicSignal::LogicSignal(
100 pv::Session &session,
101 shared_ptr<devices::Device> device,
102 shared_ptr<data::SignalBase> base) :
103 Signal(session, base),
104 signal_height_(QFontMetrics(QApplication::font()).height() * 2),
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_colour(SignalColours[base->index() % countof(SignalColours)]);
117 /* Populate this channel's trigger setting with whatever we
118 * find in the current session trigger, if anything. */
119 trigger_match_ = nullptr;
120 if ((trigger = session_.session()->trigger()))
121 for (auto stage : trigger->stages())
122 for (auto match : stage->matches())
123 if (match->channel() == base_->channel())
124 trigger_match_ = match->type();
127 shared_ptr<pv::data::SignalData> LogicSignal::data() const
129 return base_->logic_data();
132 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
134 return base_->logic_data();
137 pair<int, int> LogicSignal::v_extents() const
139 const int signal_margin =
140 QFontMetrics(QApplication::font()).height() / 2;
141 return make_pair(-signal_height_ - signal_margin, signal_margin);
144 int LogicSignal::scale_handle_offset() const
146 return -signal_height_;
149 void LogicSignal::scale_handle_dragged(int offset)
151 const int font_height = QFontMetrics(QApplication::font()).height();
152 const int units = (-offset / font_height);
153 signal_height_ = ((units < 1) ? 1 : units) * font_height;
156 void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp)
160 vector< pair<int64_t, bool> > edges;
165 const int y = get_visual_y();
167 if (!base_->enabled())
170 const float high_offset = y - signal_height_ + 0.5f;
171 const float low_offset = y + 0.5f;
173 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
174 base_->logic_data()->logic_segments();
175 if (segments.empty())
178 const shared_ptr<pv::data::LogicSegment> &segment = segments.front();
180 double samplerate = segment->samplerate();
182 // Show sample rate as 1Hz when it is unknown
183 if (samplerate == 0.0)
186 const double pixels_offset = pp.pixels_offset();
187 const pv::util::Timestamp& start_time = segment->start_time();
188 const int64_t last_sample = segment->get_sample_count() - 1;
189 const double samples_per_pixel = samplerate * pp.scale();
190 const double pixels_per_sample = 1 / samples_per_pixel;
191 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
192 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
194 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
195 (int64_t)0), last_sample);
196 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
197 (int64_t)0), last_sample);
199 segment->get_subsampled_edges(edges, start_sample, end_sample,
200 samples_per_pixel / Oversampling, base_->index());
201 assert(edges.size() >= 2);
203 // Check whether we need to paint the sampling points
204 GlobalSettings settings;
205 const bool show_sampling_points =
206 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool() &&
207 (samples_per_pixel < 0.25);
209 vector<QRectF> sampling_points;
210 float sampling_point_x = 0.0f;
211 int64_t sampling_point_sample = start_sample;
214 if (show_sampling_points) {
215 sampling_points.reserve(end_sample - start_sample + 1);
216 sampling_point_x = (edges.cbegin()->first / samples_per_pixel - pixels_offset) + pp.left();
220 const unsigned int edge_count = edges.size() - 2;
221 QLineF *const edge_lines = new QLineF[edge_count];
224 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
225 const float x = ((*i).first / samples_per_pixel -
226 pixels_offset) + pp.left();
227 *line++ = QLineF(x, high_offset, x, low_offset);
229 if (show_sampling_points)
230 while (sampling_point_sample < (*i).first) {
231 const float y = (*i).second ? low_offset : high_offset;
232 sampling_points.emplace_back(
233 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
234 sampling_point_sample++;
235 sampling_point_x += pixels_per_sample;
239 // Calculate the sample points from the last edge to the end of the trace
240 if (show_sampling_points)
241 while ((uint64_t)sampling_point_sample <= end_sample) {
242 // Signal changed after the last edge, so the level is inverted
243 const float y = (edges.cend() - 1)->second ? high_offset : low_offset;
244 sampling_points.emplace_back(
245 QRectF(sampling_point_x - (w / 2), y - (w / 2), w, w));
246 sampling_point_sample++;
247 sampling_point_x += pixels_per_sample;
250 p.setPen(EdgeColour);
251 p.drawLines(edge_lines, edge_count);
255 const unsigned int max_cap_line_count = edges.size();
256 QLineF *const cap_lines = new QLineF[max_cap_line_count];
258 p.setPen(HighColour);
259 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
260 pixels_offset, pp.left(), high_offset);
262 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
263 pixels_offset, pp.left(), low_offset);
267 // Paint the sampling points
268 if (show_sampling_points) {
269 p.setPen(SamplingPointColour);
270 p.drawRects(sampling_points.data(), sampling_points.size());
274 void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
276 // Draw the trigger marker
277 if (!trigger_match_ || !base_->enabled())
280 const int y = get_visual_y();
281 const vector<int32_t> trig_types = get_trigger_types();
282 for (int32_t type_id : trig_types) {
283 const TriggerMatchType *const type =
284 TriggerMatchType::get(type_id);
285 if (trigger_match_ != type || type_id < 0 ||
286 (size_t)type_id >= countof(TriggerMarkerIcons) ||
287 !TriggerMarkerIcons[type_id])
290 const QPixmap *const pixmap = get_pixmap(
291 TriggerMarkerIcons[type_id]);
295 const float pad = TriggerMarkerPadding - 0.5f;
296 const QSize size = pixmap->size();
298 pp.right() - size.width() - pad * 2,
299 y - (signal_height_ + size.height()) / 2);
301 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
302 p.setBrush(TriggerMarkerBackgroundColour);
303 p.drawRoundedRect(QRectF(point, size).adjusted(
304 -pad, -pad, pad, pad), pad, pad);
305 p.drawPixmap(point, *pixmap);
311 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
312 vector< pair<int64_t, bool> > &edges, bool level,
313 double samples_per_pixel, double pixels_offset, float x_offset,
316 QLineF *line = lines;
318 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
319 if ((*i).second == level) {
321 ((*i).first / samples_per_pixel -
322 pixels_offset) + x_offset, y_offset,
323 ((*(i+1)).first / samples_per_pixel -
324 pixels_offset) + x_offset, y_offset);
327 p.drawLines(lines, line - lines);
330 void LogicSignal::init_trigger_actions(QWidget *parent)
332 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
333 tr("No trigger"), parent);
334 trigger_none_->setCheckable(true);
335 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
337 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
338 tr("Trigger on rising edge"), parent);
339 trigger_rising_->setCheckable(true);
340 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
342 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
343 tr("Trigger on high level"), parent);
344 trigger_high_->setCheckable(true);
345 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
347 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
348 tr("Trigger on falling edge"), parent);
349 trigger_falling_->setCheckable(true);
350 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
352 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
353 tr("Trigger on low level"), parent);
354 trigger_low_->setCheckable(true);
355 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
357 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
358 tr("Trigger on rising or falling edge"), parent);
359 trigger_change_->setCheckable(true);
360 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
363 const vector<int32_t> LogicSignal::get_trigger_types() const
365 // We may not be associated with a device
367 return vector<int32_t>();
369 const auto sr_dev = device_->device();
370 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
371 const Glib::VariantContainerBase gvar =
372 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
374 vector<int32_t> ttypes;
376 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
377 Glib::VariantBase tmp_vb;
378 gvar.get_child(tmp_vb, i);
380 Glib::Variant<int32_t> tmp_v =
381 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
383 ttypes.push_back(tmp_v.get());
388 return vector<int32_t>();
392 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
396 action = trigger_none_;
398 switch (type->id()) {
399 case SR_TRIGGER_ZERO:
400 action = trigger_low_;
403 action = trigger_high_;
405 case SR_TRIGGER_RISING:
406 action = trigger_rising_;
408 case SR_TRIGGER_FALLING:
409 action = trigger_falling_;
411 case SR_TRIGGER_EDGE:
412 action = trigger_change_;
422 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
424 if (action == trigger_low_)
425 return TriggerMatchType::ZERO;
426 else if (action == trigger_high_)
427 return TriggerMatchType::ONE;
428 else if (action == trigger_rising_)
429 return TriggerMatchType::RISING;
430 else if (action == trigger_falling_)
431 return TriggerMatchType::FALLING;
432 else if (action == trigger_change_)
433 return TriggerMatchType::EDGE;
438 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
440 Signal::populate_popup_form(parent, form);
442 const vector<int32_t> trig_types = get_trigger_types();
444 if (!trig_types.empty()) {
445 trigger_bar_ = new QToolBar(parent);
446 init_trigger_actions(trigger_bar_);
447 trigger_bar_->addAction(trigger_none_);
448 trigger_none_->setChecked(!trigger_match_);
450 for (auto type_id : trig_types) {
451 const TriggerMatchType *const type =
452 TriggerMatchType::get(type_id);
453 QAction *const action = action_from_trigger_type(type);
454 trigger_bar_->addAction(action);
455 action->setChecked(trigger_match_ == type);
457 form->addRow(tr("Trigger"), trigger_bar_);
461 void LogicSignal::modify_trigger()
463 auto trigger = session_.session()->trigger();
464 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
467 for (auto stage : trigger->stages()) {
468 const auto &matches = stage->matches();
469 if (none_of(matches.begin(), matches.end(),
470 [&](shared_ptr<TriggerMatch> match) {
471 return match->channel() != base_->channel(); }))
474 auto new_stage = new_trigger->add_stage();
475 for (auto match : stage->matches()) {
476 if (match->channel() == base_->channel())
478 new_stage->add_match(match->channel(), match->type());
483 if (trigger_match_) {
484 // Until we can let the user decide how to group trigger matches
485 // into stages, put all of the matches into a single stage --
486 // most devices only support a single trigger stage.
487 if (new_trigger->stages().empty())
488 new_trigger->add_stage();
490 new_trigger->stages().back()->add_match(base_->channel(),
494 session_.session()->set_trigger(
495 new_trigger->stages().empty() ? nullptr : new_trigger);
498 owner_->row_item_appearance_changed(false, true);
501 const QIcon* LogicSignal::get_icon(const char *path)
503 if (!icon_cache_.contains(path)) {
504 const QIcon *icon = new QIcon(path);
505 icon_cache_.insert(path, icon);
508 return icon_cache_.take(path);
511 const QPixmap* LogicSignal::get_pixmap(const char *path)
513 if (!pixmap_cache_.contains(path)) {
514 const QPixmap *pixmap = new QPixmap(path);
515 pixmap_cache_.insert(path, pixmap);
518 return pixmap_cache_.take(path);
521 void LogicSignal::on_trigger()
525 action_from_trigger_type(trigger_match_)->setChecked(false);
527 action = (QAction *)sender();
528 action->setChecked(true);
529 trigger_match_ = trigger_type_from_action(action);