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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include <QApplication>
29 #include <QFormLayout>
32 #include "logicsignal.hpp"
35 #include <pv/session.hpp>
36 #include <pv/devicemanager.hpp>
37 #include <pv/devices/device.hpp>
38 #include <pv/data/logic.hpp>
39 #include <pv/data/logicsegment.hpp>
40 #include <pv/view/view.hpp>
42 #include <libsigrokcxx/libsigrokcxx.hpp>
49 using std::shared_ptr;
52 using sigrok::Channel;
53 using sigrok::ConfigKey;
54 using sigrok::Capability;
56 using sigrok::Trigger;
57 using sigrok::TriggerStage;
58 using sigrok::TriggerMatch;
59 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);
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<Channel> channel,
103 shared_ptr<data::Logic> data) :
104 Signal(session, channel),
105 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 set_colour(SignalColours[channel->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() == channel_)
126 trigger_match_ = match->type();
129 shared_ptr<pv::data::SignalData> LogicSignal::data() const
134 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
139 void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
144 std::pair<int, int> LogicSignal::v_extents() const
146 const int signal_margin =
147 QFontMetrics(QApplication::font()).height() / 2;
148 return make_pair(-signal_height_ - signal_margin, signal_margin);
151 int LogicSignal::scale_handle_offset() const
153 return -signal_height_;
156 void LogicSignal::scale_handle_dragged(int offset)
158 const int font_height = QFontMetrics(QApplication::font()).height();
159 const int units = (-offset / font_height);
160 signal_height_ = ((units < 1) ? 1 : units) * font_height;
163 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
167 vector< pair<int64_t, bool> > edges;
173 const int y = get_visual_y();
175 if (!channel_->enabled())
178 const float high_offset = y - signal_height_ + 0.5f;
179 const float low_offset = y + 0.5f;
181 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
182 data_->logic_segments();
183 if (segments.empty())
186 const shared_ptr<pv::data::LogicSegment> &segment =
189 double samplerate = segment->samplerate();
191 // Show sample rate as 1Hz when it is unknown
192 if (samplerate == 0.0)
195 const double pixels_offset = pp.pixels_offset();
196 const pv::util::Timestamp& start_time = segment->start_time();
197 const int64_t last_sample = segment->get_sample_count() - 1;
198 const double samples_per_pixel = samplerate * pp.scale();
199 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
200 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
202 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
203 (int64_t)0), last_sample);
204 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
205 (int64_t)0), last_sample);
207 segment->get_subsampled_edges(edges, start_sample, end_sample,
208 samples_per_pixel / Oversampling, channel_->index());
209 assert(edges.size() >= 2);
212 const unsigned int edge_count = edges.size() - 2;
213 QLineF *const edge_lines = new QLineF[edge_count];
216 for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) {
217 const float x = ((*i).first / samples_per_pixel -
218 pixels_offset) + pp.left();
219 *line++ = QLineF(x, high_offset, x, low_offset);
222 p.setPen(EdgeColour);
223 p.drawLines(edge_lines, edge_count);
227 const unsigned int max_cap_line_count = edges.size();
228 QLineF *const cap_lines = new QLineF[max_cap_line_count];
230 p.setPen(HighColour);
231 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
232 pixels_offset, pp.left(), high_offset);
234 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
235 pixels_offset, pp.left(), low_offset);
240 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
242 // Draw the trigger marker
243 if (!trigger_match_ || !channel_->enabled())
246 const int y = get_visual_y();
247 const vector<int32_t> trig_types = get_trigger_types();
248 for (int32_t type_id : trig_types) {
249 const TriggerMatchType *const type =
250 TriggerMatchType::get(type_id);
251 if (trigger_match_ != type || type_id < 0 ||
252 (size_t)type_id >= countof(TriggerMarkerIcons) ||
253 !TriggerMarkerIcons[type_id])
256 const QPixmap *const pixmap = get_pixmap(
257 TriggerMarkerIcons[type_id]);
261 const float pad = TriggerMarkerPadding - 0.5f;
262 const QSize size = pixmap->size();
264 pp.right() - size.width() - pad * 2,
265 y - (signal_height_ + size.height()) / 2);
267 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
268 p.setBrush(TriggerMarkerBackgroundColour);
269 p.drawRoundedRect(QRectF(point, size).adjusted(
270 -pad, -pad, pad, pad), pad, pad);
271 p.drawPixmap(point, *pixmap);
277 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
278 vector< pair<int64_t, bool> > &edges, bool level,
279 double samples_per_pixel, double pixels_offset, float x_offset,
282 QLineF *line = lines;
284 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
285 if ((*i).second == level) {
287 ((*i).first / samples_per_pixel -
288 pixels_offset) + x_offset, y_offset,
289 ((*(i+1)).first / samples_per_pixel -
290 pixels_offset) + x_offset, y_offset);
293 p.drawLines(lines, line - lines);
296 void LogicSignal::init_trigger_actions(QWidget *parent)
298 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
299 tr("No trigger"), parent);
300 trigger_none_->setCheckable(true);
301 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
303 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
304 tr("Trigger on rising edge"), parent);
305 trigger_rising_->setCheckable(true);
306 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
308 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
309 tr("Trigger on high level"), parent);
310 trigger_high_->setCheckable(true);
311 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
313 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
314 tr("Trigger on falling edge"), parent);
315 trigger_falling_->setCheckable(true);
316 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
318 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
319 tr("Trigger on low level"), parent);
320 trigger_low_->setCheckable(true);
321 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
323 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
324 tr("Trigger on rising or falling edge"), parent);
325 trigger_change_->setCheckable(true);
326 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
329 const vector<int32_t> LogicSignal::get_trigger_types() const
331 const auto sr_dev = device_->device();
332 if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
333 const Glib::VariantContainerBase gvar =
334 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
336 vector<int32_t> ttypes;
338 for (unsigned int i = 0; i < gvar.get_n_children(); i++) {
339 Glib::VariantBase tmp_vb;
340 gvar.get_child(tmp_vb, i);
342 Glib::Variant<int32_t> tmp_v =
343 Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb);
345 ttypes.push_back(tmp_v.get());
350 return vector<int32_t>();
354 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
358 action = trigger_none_;
360 switch (type->id()) {
361 case SR_TRIGGER_ZERO:
362 action = trigger_low_;
365 action = trigger_high_;
367 case SR_TRIGGER_RISING:
368 action = trigger_rising_;
370 case SR_TRIGGER_FALLING:
371 action = trigger_falling_;
373 case SR_TRIGGER_EDGE:
374 action = trigger_change_;
384 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
386 if (action == trigger_low_)
387 return TriggerMatchType::ZERO;
388 else if (action == trigger_high_)
389 return TriggerMatchType::ONE;
390 else if (action == trigger_rising_)
391 return TriggerMatchType::RISING;
392 else if (action == trigger_falling_)
393 return TriggerMatchType::FALLING;
394 else if (action == trigger_change_)
395 return TriggerMatchType::EDGE;
400 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
402 Signal::populate_popup_form(parent, form);
404 const vector<int32_t> trig_types = get_trigger_types();
406 if (!trig_types.empty()) {
407 trigger_bar_ = new QToolBar(parent);
408 init_trigger_actions(trigger_bar_);
409 trigger_bar_->addAction(trigger_none_);
410 trigger_none_->setChecked(!trigger_match_);
412 for (auto type_id : trig_types) {
413 const TriggerMatchType *const type =
414 TriggerMatchType::get(type_id);
415 QAction *const action = action_from_trigger_type(type);
416 trigger_bar_->addAction(action);
417 action->setChecked(trigger_match_ == type);
419 form->addRow(tr("Trigger"), trigger_bar_);
423 void LogicSignal::modify_trigger()
425 auto trigger = session_.session()->trigger();
426 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
429 for (auto stage : trigger->stages()) {
430 const auto &matches = stage->matches();
431 if (std::none_of(matches.begin(), matches.end(),
432 [&](shared_ptr<TriggerMatch> match) {
433 return match->channel() != channel_; }))
436 auto new_stage = new_trigger->add_stage();
437 for (auto match : stage->matches()) {
438 if (match->channel() == channel_)
440 new_stage->add_match(match->channel(), match->type());
445 if (trigger_match_) {
446 // Until we can let the user decide how to group trigger matches
447 // into stages, put all of the matches into a single stage --
448 // most devices only support a single trigger stage.
449 if (new_trigger->stages().empty())
450 new_trigger->add_stage();
452 new_trigger->stages().back()->add_match(channel_, trigger_match_);
455 session_.session()->set_trigger(
456 new_trigger->stages().empty() ? nullptr : new_trigger);
459 owner_->row_item_appearance_changed(false, true);
462 const QIcon* LogicSignal::get_icon(const char *path)
464 if (!icon_cache_.contains(path)) {
465 const QIcon *icon = new QIcon(path);
466 icon_cache_.insert(path, icon);
469 return icon_cache_.take(path);
472 const QPixmap* LogicSignal::get_pixmap(const char *path)
474 if (!pixmap_cache_.contains(path)) {
475 const QPixmap *pixmap = new QPixmap(path);
476 pixmap_cache_.insert(path, pixmap);
479 return pixmap_cache_.take(path);
482 void LogicSignal::on_trigger()
486 action_from_trigger_type(trigger_match_)->setChecked(false);
488 action = (QAction *)sender();
489 action->setChecked(true);
490 trigger_match_ = trigger_type_from_action(action);