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 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);
204 const unsigned int edge_count = edges.size() - 2;
205 QLineF *const edge_lines = new QLineF[edge_count];
208 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
209 const float x = ((*i).first / samples_per_pixel -
210 pixels_offset) + pp.left();
211 *line++ = QLineF(x, high_offset, x, low_offset);
214 p.setPen(EdgeColour);
215 p.drawLines(edge_lines, edge_count);
219 const unsigned int max_cap_line_count = edges.size();
220 QLineF *const cap_lines = new QLineF[max_cap_line_count];
222 p.setPen(HighColour);
223 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
224 pixels_offset, pp.left(), high_offset);
226 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
227 pixels_offset, pp.left(), low_offset);
231 // Return if we don't need to paint the sampling points
232 GlobalSettings settings;
233 const bool show_sampling_points =
234 settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool();
236 if (!show_sampling_points || (samples_per_pixel >= 0.25))
239 // Paint the sampling points
240 const uint64_t sampling_points_count = end_sample - start_sample + 1;
241 QRectF *const sampling_points = new QRectF[sampling_points_count];
242 QRectF *sampling_point = sampling_points;
245 const float y_middle = high_offset - ((high_offset - low_offset) / 2);
246 for (uint64_t i = start_sample; i < end_sample + 1; ++i) {
247 const float x = (i / samples_per_pixel - pixels_offset) + pp.left();
248 *sampling_point++ = QRectF(x - (w / 2), y_middle - (w / 2), w, w);
251 p.setPen(SamplingPointColour);
252 p.drawRects(sampling_points, sampling_points_count);
253 delete[] sampling_points;
256 void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
258 // Draw the trigger marker
259 if (!trigger_match_ || !base_->enabled())
262 const int y = get_visual_y();
263 const vector<int32_t> trig_types = get_trigger_types();
264 for (int32_t type_id : trig_types) {
265 const TriggerMatchType *const type =
266 TriggerMatchType::get(type_id);
267 if (trigger_match_ != type || type_id < 0 ||
268 (size_t)type_id >= countof(TriggerMarkerIcons) ||
269 !TriggerMarkerIcons[type_id])
272 const QPixmap *const pixmap = get_pixmap(
273 TriggerMarkerIcons[type_id]);
277 const float pad = TriggerMarkerPadding - 0.5f;
278 const QSize size = pixmap->size();
280 pp.right() - size.width() - pad * 2,
281 y - (signal_height_ + size.height()) / 2);
283 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
284 p.setBrush(TriggerMarkerBackgroundColour);
285 p.drawRoundedRect(QRectF(point, size).adjusted(
286 -pad, -pad, pad, pad), pad, pad);
287 p.drawPixmap(point, *pixmap);
293 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
294 vector< pair<int64_t, bool> > &edges, bool level,
295 double samples_per_pixel, double pixels_offset, float x_offset,
298 QLineF *line = lines;
300 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
301 if ((*i).second == level) {
303 ((*i).first / samples_per_pixel -
304 pixels_offset) + x_offset, y_offset,
305 ((*(i+1)).first / samples_per_pixel -
306 pixels_offset) + x_offset, y_offset);
309 p.drawLines(lines, line - lines);
312 void LogicSignal::init_trigger_actions(QWidget *parent)
314 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
315 tr("No trigger"), parent);
316 trigger_none_->setCheckable(true);
317 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
319 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
320 tr("Trigger on rising edge"), parent);
321 trigger_rising_->setCheckable(true);
322 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
324 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
325 tr("Trigger on high level"), parent);
326 trigger_high_->setCheckable(true);
327 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
329 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
330 tr("Trigger on falling edge"), parent);
331 trigger_falling_->setCheckable(true);
332 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
334 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
335 tr("Trigger on low level"), parent);
336 trigger_low_->setCheckable(true);
337 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
339 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
340 tr("Trigger on rising or falling edge"), parent);
341 trigger_change_->setCheckable(true);
342 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
345 const vector<int32_t> LogicSignal::get_trigger_types() const
347 // We may not be associated with a device
349 return vector<int32_t>();
351 const auto sr_dev = device_->device();
352 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
353 const Glib::VariantContainerBase gvar =
354 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
356 vector<int32_t> ttypes;
358 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
359 Glib::VariantBase tmp_vb;
360 gvar.get_child(tmp_vb, i);
362 Glib::Variant<int32_t> tmp_v =
363 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
365 ttypes.push_back(tmp_v.get());
370 return vector<int32_t>();
374 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
378 action = trigger_none_;
380 switch (type->id()) {
381 case SR_TRIGGER_ZERO:
382 action = trigger_low_;
385 action = trigger_high_;
387 case SR_TRIGGER_RISING:
388 action = trigger_rising_;
390 case SR_TRIGGER_FALLING:
391 action = trigger_falling_;
393 case SR_TRIGGER_EDGE:
394 action = trigger_change_;
404 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
406 if (action == trigger_low_)
407 return TriggerMatchType::ZERO;
408 else if (action == trigger_high_)
409 return TriggerMatchType::ONE;
410 else if (action == trigger_rising_)
411 return TriggerMatchType::RISING;
412 else if (action == trigger_falling_)
413 return TriggerMatchType::FALLING;
414 else if (action == trigger_change_)
415 return TriggerMatchType::EDGE;
420 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
422 Signal::populate_popup_form(parent, form);
424 const vector<int32_t> trig_types = get_trigger_types();
426 if (!trig_types.empty()) {
427 trigger_bar_ = new QToolBar(parent);
428 init_trigger_actions(trigger_bar_);
429 trigger_bar_->addAction(trigger_none_);
430 trigger_none_->setChecked(!trigger_match_);
432 for (auto type_id : trig_types) {
433 const TriggerMatchType *const type =
434 TriggerMatchType::get(type_id);
435 QAction *const action = action_from_trigger_type(type);
436 trigger_bar_->addAction(action);
437 action->setChecked(trigger_match_ == type);
439 form->addRow(tr("Trigger"), trigger_bar_);
443 void LogicSignal::modify_trigger()
445 auto trigger = session_.session()->trigger();
446 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
449 for (auto stage : trigger->stages()) {
450 const auto &matches = stage->matches();
451 if (none_of(matches.begin(), matches.end(),
452 [&](shared_ptr<TriggerMatch> match) {
453 return match->channel() != base_->channel(); }))
456 auto new_stage = new_trigger->add_stage();
457 for (auto match : stage->matches()) {
458 if (match->channel() == base_->channel())
460 new_stage->add_match(match->channel(), match->type());
465 if (trigger_match_) {
466 // Until we can let the user decide how to group trigger matches
467 // into stages, put all of the matches into a single stage --
468 // most devices only support a single trigger stage.
469 if (new_trigger->stages().empty())
470 new_trigger->add_stage();
472 new_trigger->stages().back()->add_match(base_->channel(),
476 session_.session()->set_trigger(
477 new_trigger->stages().empty() ? nullptr : new_trigger);
480 owner_->row_item_appearance_changed(false, true);
483 const QIcon* LogicSignal::get_icon(const char *path)
485 if (!icon_cache_.contains(path)) {
486 const QIcon *icon = new QIcon(path);
487 icon_cache_.insert(path, icon);
490 return icon_cache_.take(path);
493 const QPixmap* LogicSignal::get_pixmap(const char *path)
495 if (!pixmap_cache_.contains(path)) {
496 const QPixmap *pixmap = new QPixmap(path);
497 pixmap_cache_.insert(path, pixmap);
500 return pixmap_cache_.take(path);
503 void LogicSignal::on_trigger()
507 action_from_trigger_type(trigger_match_)->setChecked(false);
509 action = (QAction *)sender();
510 action->setChecked(true);
511 trigger_match_ = trigger_type_from_action(action);
516 } // namespace TraceView