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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
20 | #include <extdef.h> | |
21 | ||
22 | #include <cassert> | |
23 | #include <cmath> | |
24 | ||
25 | #include <algorithm> | |
26 | ||
27 | #include <QApplication> | |
28 | #include <QFormLayout> | |
29 | #include <QToolBar> | |
30 | ||
31 | #include "logicsignal.hpp" | |
32 | #include "view.hpp" | |
33 | ||
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 | ||
42 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
43 | ||
44 | using std::deque; | |
45 | using std::max; | |
46 | using std::make_pair; | |
47 | using std::min; | |
48 | using std::none_of; | |
49 | using std::pair; | |
50 | using std::shared_ptr; | |
51 | using std::vector; | |
52 | ||
53 | using sigrok::ConfigKey; | |
54 | using sigrok::Capability; | |
55 | using sigrok::Trigger; | |
56 | using sigrok::TriggerMatch; | |
57 | using sigrok::TriggerMatchType; | |
58 | ||
59 | namespace pv { | |
60 | namespace views { | |
61 | namespace trace { | |
62 | ||
63 | const float LogicSignal::Oversampling = 2.0f; | |
64 | ||
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); | |
69 | ||
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 | |
81 | }; | |
82 | ||
83 | QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00); | |
84 | const int LogicSignal::TriggerMarkerPadding = 2; | |
85 | const char* LogicSignal::TriggerMarkerIcons[8] = { | |
86 | nullptr, | |
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", | |
92 | nullptr, | |
93 | nullptr | |
94 | }; | |
95 | ||
96 | QCache<QString, const QIcon> LogicSignal::icon_cache_; | |
97 | QCache<QString, const QPixmap> LogicSignal::pixmap_cache_; | |
98 | ||
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), | |
105 | device_(device), | |
106 | trigger_none_(nullptr), | |
107 | trigger_rising_(nullptr), | |
108 | trigger_high_(nullptr), | |
109 | trigger_falling_(nullptr), | |
110 | trigger_low_(nullptr), | |
111 | trigger_change_(nullptr) | |
112 | { | |
113 | shared_ptr<Trigger> trigger; | |
114 | ||
115 | base_->set_colour(SignalColours[base->index() % countof(SignalColours)]); | |
116 | ||
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(); | |
125 | } | |
126 | ||
127 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
128 | { | |
129 | return base_->logic_data(); | |
130 | } | |
131 | ||
132 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
133 | { | |
134 | return base_->logic_data(); | |
135 | } | |
136 | ||
137 | pair<int, int> LogicSignal::v_extents() const | |
138 | { | |
139 | const int signal_margin = | |
140 | QFontMetrics(QApplication::font()).height() / 2; | |
141 | return make_pair(-signal_height_ - signal_margin, signal_margin); | |
142 | } | |
143 | ||
144 | int LogicSignal::scale_handle_offset() const | |
145 | { | |
146 | return -signal_height_; | |
147 | } | |
148 | ||
149 | void LogicSignal::scale_handle_dragged(int offset) | |
150 | { | |
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; | |
154 | } | |
155 | ||
156 | void LogicSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) | |
157 | { | |
158 | QLineF *line; | |
159 | ||
160 | vector< pair<int64_t, bool> > edges; | |
161 | ||
162 | assert(base_); | |
163 | assert(owner_); | |
164 | ||
165 | const int y = get_visual_y(); | |
166 | ||
167 | if (!base_->enabled()) | |
168 | return; | |
169 | ||
170 | const float high_offset = y - signal_height_ + 0.5f; | |
171 | const float low_offset = y + 0.5f; | |
172 | ||
173 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
174 | base_->logic_data()->logic_segments(); | |
175 | if (segments.empty()) | |
176 | return; | |
177 | ||
178 | const shared_ptr<pv::data::LogicSegment> &segment = segments.front(); | |
179 | ||
180 | double samplerate = segment->samplerate(); | |
181 | ||
182 | // Show sample rate as 1Hz when it is unknown | |
183 | if (samplerate == 0.0) | |
184 | samplerate = 1.0; | |
185 | ||
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(); | |
193 | ||
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); | |
198 | ||
199 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
200 | samples_per_pixel / Oversampling, base_->index()); | |
201 | assert(edges.size() >= 2); | |
202 | ||
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); | |
208 | ||
209 | vector<QRectF> sampling_points; | |
210 | float sampling_point_x = 0.0f; | |
211 | int64_t sampling_point_sample = start_sample; | |
212 | const int w = 2; | |
213 | ||
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(); | |
217 | } | |
218 | ||
219 | // Paint the edges | |
220 | const unsigned int edge_count = edges.size() - 2; | |
221 | QLineF *const edge_lines = new QLineF[edge_count]; | |
222 | line = edge_lines; | |
223 | ||
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); | |
228 | ||
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; | |
236 | }; | |
237 | } | |
238 | ||
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; | |
248 | }; | |
249 | ||
250 | p.setPen(EdgeColour); | |
251 | p.drawLines(edge_lines, edge_count); | |
252 | delete[] edge_lines; | |
253 | ||
254 | // Paint the caps | |
255 | const unsigned int max_cap_line_count = edges.size(); | |
256 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
257 | ||
258 | p.setPen(HighColour); | |
259 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
260 | pixels_offset, pp.left(), high_offset); | |
261 | p.setPen(LowColour); | |
262 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
263 | pixels_offset, pp.left(), low_offset); | |
264 | ||
265 | delete[] cap_lines; | |
266 | ||
267 | // Paint the sampling points | |
268 | if (show_sampling_points) { | |
269 | p.setPen(SamplingPointColour); | |
270 | p.drawRects(sampling_points.data(), sampling_points.size()); | |
271 | } | |
272 | } | |
273 | ||
274 | void LogicSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp) | |
275 | { | |
276 | // Draw the trigger marker | |
277 | if (!trigger_match_ || !base_->enabled()) | |
278 | return; | |
279 | ||
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]) | |
288 | continue; | |
289 | ||
290 | const QPixmap *const pixmap = get_pixmap( | |
291 | TriggerMarkerIcons[type_id]); | |
292 | if (!pixmap) | |
293 | continue; | |
294 | ||
295 | const float pad = TriggerMarkerPadding - 0.5f; | |
296 | const QSize size = pixmap->size(); | |
297 | const QPoint point( | |
298 | pp.right() - size.width() - pad * 2, | |
299 | y - (signal_height_ + size.height()) / 2); | |
300 | ||
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); | |
306 | ||
307 | break; | |
308 | } | |
309 | } | |
310 | ||
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, | |
314 | float y_offset) | |
315 | { | |
316 | QLineF *line = lines; | |
317 | ||
318 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
319 | if ((*i).second == level) { | |
320 | *line++ = QLineF( | |
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); | |
325 | } | |
326 | ||
327 | p.drawLines(lines, line - lines); | |
328 | } | |
329 | ||
330 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
331 | { | |
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())); | |
336 | ||
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())); | |
341 | ||
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())); | |
346 | ||
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())); | |
351 | ||
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())); | |
356 | ||
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())); | |
361 | } | |
362 | ||
363 | const vector<int32_t> LogicSignal::get_trigger_types() const | |
364 | { | |
365 | // We may not be associated with a device | |
366 | if (!device_) | |
367 | return vector<int32_t>(); | |
368 | ||
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); | |
373 | ||
374 | vector<int32_t> ttypes; | |
375 | ||
376 | for (unsigned int i = 0; i < gvar.get_n_children(); i++) { | |
377 | Glib::VariantBase tmp_vb; | |
378 | gvar.get_child(tmp_vb, i); | |
379 | ||
380 | Glib::Variant<int32_t> tmp_v = | |
381 | Glib::VariantBase::cast_dynamic< Glib::Variant<int32_t> >(tmp_vb); | |
382 | ||
383 | ttypes.push_back(tmp_v.get()); | |
384 | } | |
385 | ||
386 | return ttypes; | |
387 | } else { | |
388 | return vector<int32_t>(); | |
389 | } | |
390 | } | |
391 | ||
392 | QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type) | |
393 | { | |
394 | QAction *action; | |
395 | ||
396 | action = trigger_none_; | |
397 | if (type) { | |
398 | switch (type->id()) { | |
399 | case SR_TRIGGER_ZERO: | |
400 | action = trigger_low_; | |
401 | break; | |
402 | case SR_TRIGGER_ONE: | |
403 | action = trigger_high_; | |
404 | break; | |
405 | case SR_TRIGGER_RISING: | |
406 | action = trigger_rising_; | |
407 | break; | |
408 | case SR_TRIGGER_FALLING: | |
409 | action = trigger_falling_; | |
410 | break; | |
411 | case SR_TRIGGER_EDGE: | |
412 | action = trigger_change_; | |
413 | break; | |
414 | default: | |
415 | assert(false); | |
416 | } | |
417 | } | |
418 | ||
419 | return action; | |
420 | } | |
421 | ||
422 | const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action) | |
423 | { | |
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; | |
434 | else | |
435 | return nullptr; | |
436 | } | |
437 | ||
438 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
439 | { | |
440 | Signal::populate_popup_form(parent, form); | |
441 | ||
442 | const vector<int32_t> trig_types = get_trigger_types(); | |
443 | ||
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_); | |
449 | ||
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); | |
456 | } | |
457 | form->addRow(tr("Trigger"), trigger_bar_); | |
458 | } | |
459 | } | |
460 | ||
461 | void LogicSignal::modify_trigger() | |
462 | { | |
463 | auto trigger = session_.session()->trigger(); | |
464 | auto new_trigger = session_.device_manager().context()->create_trigger("pulseview"); | |
465 | ||
466 | if (trigger) { | |
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(); })) | |
472 | continue; | |
473 | ||
474 | auto new_stage = new_trigger->add_stage(); | |
475 | for (auto match : stage->matches()) { | |
476 | if (match->channel() == base_->channel()) | |
477 | continue; | |
478 | new_stage->add_match(match->channel(), match->type()); | |
479 | } | |
480 | } | |
481 | } | |
482 | ||
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(); | |
489 | ||
490 | new_trigger->stages().back()->add_match(base_->channel(), | |
491 | trigger_match_); | |
492 | } | |
493 | ||
494 | session_.session()->set_trigger( | |
495 | new_trigger->stages().empty() ? nullptr : new_trigger); | |
496 | ||
497 | if (owner_) | |
498 | owner_->row_item_appearance_changed(false, true); | |
499 | } | |
500 | ||
501 | const QIcon* LogicSignal::get_icon(const char *path) | |
502 | { | |
503 | if (!icon_cache_.contains(path)) { | |
504 | const QIcon *icon = new QIcon(path); | |
505 | icon_cache_.insert(path, icon); | |
506 | } | |
507 | ||
508 | return icon_cache_.take(path); | |
509 | } | |
510 | ||
511 | const QPixmap* LogicSignal::get_pixmap(const char *path) | |
512 | { | |
513 | if (!pixmap_cache_.contains(path)) { | |
514 | const QPixmap *pixmap = new QPixmap(path); | |
515 | pixmap_cache_.insert(path, pixmap); | |
516 | } | |
517 | ||
518 | return pixmap_cache_.take(path); | |
519 | } | |
520 | ||
521 | void LogicSignal::on_trigger() | |
522 | { | |
523 | QAction *action; | |
524 | ||
525 | action_from_trigger_type(trigger_match_)->setChecked(false); | |
526 | ||
527 | action = (QAction *)sender(); | |
528 | action->setChecked(true); | |
529 | trigger_match_ = trigger_type_from_action(action); | |
530 | ||
531 | modify_trigger(); | |
532 | } | |
533 | ||
534 | } // namespace trace | |
535 | } // namespace views | |
536 | } // namespace pv |