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;
55 using sigrok::Trigger;
56 using sigrok::TriggerStage;
57 using sigrok::TriggerMatch;
58 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);
69 const QColor LogicSignal::SignalColours[10] = {
70 QColor(0x16, 0x19, 0x1A), // Black
71 QColor(0x8F, 0x52, 0x02), // Brown
72 QColor(0xCC, 0x00, 0x00), // Red
73 QColor(0xF5, 0x79, 0x00), // Orange
74 QColor(0xED, 0xD4, 0x00), // Yellow
75 QColor(0x73, 0xD2, 0x16), // Green
76 QColor(0x34, 0x65, 0xA4), // Blue
77 QColor(0x75, 0x50, 0x7B), // Violet
78 QColor(0x88, 0x8A, 0x85), // Grey
79 QColor(0xEE, 0xEE, 0xEC), // White
82 QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00);
83 const int LogicSignal::TriggerMarkerPadding = 2;
84 const char* LogicSignal::TriggerMarkerIcons[8] = {
86 ":/icons/trigger-marker-low.svg",
87 ":/icons/trigger-marker-high.svg",
88 ":/icons/trigger-marker-rising.svg",
89 ":/icons/trigger-marker-falling.svg",
90 ":/icons/trigger-marker-change.svg",
95 QCache<QString, const QIcon> LogicSignal::icon_cache_;
96 QCache<QString, const QPixmap> LogicSignal::pixmap_cache_;
98 LogicSignal::LogicSignal(
100 shared_ptr<devices::Device> device,
101 shared_ptr<Channel> channel,
102 shared_ptr<data::Logic> data) :
103 Signal(session, channel),
104 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 colour_ = SignalColours[channel->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() == channel_)
125 trigger_match_ = match->type();
128 LogicSignal::~LogicSignal()
132 shared_ptr<pv::data::SignalData> LogicSignal::data() const
137 shared_ptr<pv::data::Logic> LogicSignal::logic_data() const
142 void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data)
147 std::pair<int, int> LogicSignal::v_extents() const
149 const int signal_margin =
150 QFontMetrics(QApplication::font()).height() / 2;
151 return make_pair(-signal_height_ - signal_margin, signal_margin);
154 int LogicSignal::scale_handle_offset() const
156 return -signal_height_;
159 void LogicSignal::scale_handle_dragged(int offset)
161 const int font_height = QFontMetrics(QApplication::font()).height();
162 const int units = (-offset / font_height);
163 signal_height_ = ((units < 1) ? 1 : units) * font_height;
166 void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
168 if (channel_->enabled())
169 paint_axis(p, pp, get_visual_y());
172 void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
176 vector< pair<int64_t, bool> > edges;
182 const int y = get_visual_y();
184 if (!channel_->enabled())
187 const float high_offset = y - signal_height_ + 0.5f;
188 const float low_offset = y + 0.5f;
190 const deque< shared_ptr<pv::data::LogicSegment> > &segments =
191 data_->logic_segments();
192 if (segments.empty())
195 const shared_ptr<pv::data::LogicSegment> &segment =
198 double samplerate = segment->samplerate();
200 // Show sample rate as 1Hz when it is unknown
201 if (samplerate == 0.0)
204 const double pixels_offset = pp.pixels_offset();
205 const pv::util::Timestamp& start_time = segment->start_time();
206 const int64_t last_sample = segment->get_sample_count() - 1;
207 const double samples_per_pixel = samplerate * pp.scale();
208 const pv::util::Timestamp start = samplerate * (pp.offset() - start_time);
209 const pv::util::Timestamp end = start + samples_per_pixel * pp.width();
211 const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(),
212 (int64_t)0), last_sample);
213 const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(),
214 (int64_t)0), last_sample);
216 segment->get_subsampled_edges(edges, start_sample, end_sample,
217 samples_per_pixel / Oversampling, channel_->index());
218 assert(edges.size() >= 2);
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);
231 p.setPen(EdgeColour);
232 p.drawLines(edge_lines, edge_count);
236 const unsigned int max_cap_line_count = edges.size();
237 QLineF *const cap_lines = new QLineF[max_cap_line_count];
239 p.setPen(HighColour);
240 paint_caps(p, cap_lines, edges, true, samples_per_pixel,
241 pixels_offset, pp.left(), high_offset);
243 paint_caps(p, cap_lines, edges, false, samples_per_pixel,
244 pixels_offset, pp.left(), low_offset);
249 void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
251 // Draw the trigger marker
252 if (!trigger_match_ || !channel_->enabled())
255 const int y = get_visual_y();
256 const vector<int32_t> trig_types = get_trigger_types();
257 for (int32_t type_id : trig_types) {
258 const TriggerMatchType *const type =
259 TriggerMatchType::get(type_id);
260 if (trigger_match_ != type || type_id < 0 ||
261 (size_t)type_id >= countof(TriggerMarkerIcons) ||
262 !TriggerMarkerIcons[type_id])
265 const QPixmap *const pixmap = get_pixmap(
266 TriggerMarkerIcons[type_id]);
270 const float pad = TriggerMarkerPadding - 0.5f;
271 const QSize size = pixmap->size();
273 pp.right() - size.width() - pad * 2,
274 y - (signal_height_ + size.height()) / 2);
276 p.setPen(QPen(TriggerMarkerBackgroundColour.darker()));
277 p.setBrush(TriggerMarkerBackgroundColour);
278 p.drawRoundedRect(QRectF(point, size).adjusted(
279 -pad, -pad, pad, pad), pad, pad);
280 p.drawPixmap(point, *pixmap);
286 void LogicSignal::paint_caps(QPainter &p, QLineF *const lines,
287 vector< pair<int64_t, bool> > &edges, bool level,
288 double samples_per_pixel, double pixels_offset, float x_offset,
291 QLineF *line = lines;
293 for (auto i = edges.begin(); i != (edges.end() - 1); i++)
294 if ((*i).second == level) {
296 ((*i).first / samples_per_pixel -
297 pixels_offset) + x_offset, y_offset,
298 ((*(i+1)).first / samples_per_pixel -
299 pixels_offset) + x_offset, y_offset);
302 p.drawLines(lines, line - lines);
305 void LogicSignal::init_trigger_actions(QWidget *parent)
307 trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"),
308 tr("No trigger"), parent);
309 trigger_none_->setCheckable(true);
310 connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger()));
312 trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"),
313 tr("Trigger on rising edge"), parent);
314 trigger_rising_->setCheckable(true);
315 connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger()));
317 trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"),
318 tr("Trigger on high level"), parent);
319 trigger_high_->setCheckable(true);
320 connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger()));
322 trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"),
323 tr("Trigger on falling edge"), parent);
324 trigger_falling_->setCheckable(true);
325 connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger()));
327 trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"),
328 tr("Trigger on low level"), parent);
329 trigger_low_->setCheckable(true);
330 connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger()));
332 trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"),
333 tr("Trigger on rising or falling edge"), parent);
334 trigger_change_->setCheckable(true);
335 connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger()));
338 const vector<int32_t> LogicSignal::get_trigger_types() const
340 const auto sr_dev = device_->device();
341 const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS);
342 const auto iter = keys.find(ConfigKey::TRIGGER_MATCH);
343 if (iter != keys.end() &&
344 (*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
346 const Glib::VariantContainerBase gvar =
347 sr_dev->config_list(ConfigKey::TRIGGER_MATCH);
348 return Glib::VariantBase::cast_dynamic<
349 Glib::Variant<vector<int32_t>>>(gvar).get();
351 // Failed to enumerate triggers
356 return vector<int32_t>();
359 QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
363 action = trigger_none_;
365 switch (type->id()) {
366 case SR_TRIGGER_ZERO:
367 action = trigger_low_;
370 action = trigger_high_;
372 case SR_TRIGGER_RISING:
373 action = trigger_rising_;
375 case SR_TRIGGER_FALLING:
376 action = trigger_falling_;
378 case SR_TRIGGER_EDGE:
379 action = trigger_change_;
389 const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action)
391 if (action == trigger_low_)
392 return TriggerMatchType::ZERO;
393 else if (action == trigger_high_)
394 return TriggerMatchType::ONE;
395 else if (action == trigger_rising_)
396 return TriggerMatchType::RISING;
397 else if (action == trigger_falling_)
398 return TriggerMatchType::FALLING;
399 else if (action == trigger_change_)
400 return TriggerMatchType::EDGE;
405 void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
407 Signal::populate_popup_form(parent, form);
409 const vector<int32_t> trig_types = get_trigger_types();
411 if (!trig_types.empty()) {
412 trigger_bar_ = new QToolBar(parent);
413 init_trigger_actions(trigger_bar_);
414 trigger_bar_->addAction(trigger_none_);
415 trigger_none_->setChecked(!trigger_match_);
417 for (auto type_id : trig_types) {
418 const TriggerMatchType *const type =
419 TriggerMatchType::get(type_id);
420 QAction *const action = action_from_trigger_type(type);
421 trigger_bar_->addAction(action);
422 action->setChecked(trigger_match_ == type);
424 form->addRow(tr("Trigger"), trigger_bar_);
428 void LogicSignal::modify_trigger()
430 auto trigger = session_.session()->trigger();
431 auto new_trigger = session_.device_manager().context()->create_trigger("pulseview");
434 for (auto stage : trigger->stages()) {
435 const auto &matches = stage->matches();
436 if (std::none_of(matches.begin(), matches.end(),
437 [&](shared_ptr<TriggerMatch> match) {
438 return match->channel() != channel_; }))
441 auto new_stage = new_trigger->add_stage();
442 for (auto match : stage->matches()) {
443 if (match->channel() == channel_)
445 new_stage->add_match(match->channel(), match->type());
450 if (trigger_match_) {
451 // Until we can let the user decide how to group trigger matches
452 // into stages, put all of the matches into a single stage --
453 // most devices only support a single trigger stage.
454 if (new_trigger->stages().empty())
455 new_trigger->add_stage();
457 new_trigger->stages().back()->add_match(channel_, trigger_match_);
460 session_.session()->set_trigger(
461 new_trigger->stages().empty() ? nullptr : new_trigger);
464 owner_->row_item_appearance_changed(false, true);
467 const QIcon* LogicSignal::get_icon(const char *path)
469 const QIcon *icon = icon_cache_.take(path);
471 icon = new QIcon(path);
472 icon_cache_.insert(path, icon);
478 const QPixmap* LogicSignal::get_pixmap(const char *path)
480 const QPixmap *pixmap = pixmap_cache_.take(path);
482 pixmap = new QPixmap(path);
483 pixmap_cache_.insert(path, pixmap);
489 void LogicSignal::on_trigger()
493 action_from_trigger_type(trigger_match_)->setChecked(false);
495 action = (QAction *)sender();
496 action->setChecked(true);
497 trigger_match_ = trigger_type_from_action(action);