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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <extdef.h> | |
22 | ||
23 | #include <cassert> | |
24 | #include <cmath> | |
25 | ||
26 | #include <algorithm> | |
27 | ||
28 | #include <QApplication> | |
29 | #include <QFormLayout> | |
30 | #include <QToolBar> | |
31 | ||
32 | #include "logicsignal.hpp" | |
33 | #include "view.hpp" | |
34 | ||
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> | |
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::pair; | |
49 | using std::shared_ptr; | |
50 | using std::vector; | |
51 | ||
52 | using sigrok::Channel; | |
53 | using sigrok::ConfigKey; | |
54 | using sigrok::Error; | |
55 | using sigrok::Trigger; | |
56 | using sigrok::TriggerStage; | |
57 | using sigrok::TriggerMatch; | |
58 | using sigrok::TriggerMatchType; | |
59 | ||
60 | namespace pv { | |
61 | namespace view { | |
62 | ||
63 | const int LogicSignal::SignalHeight = 30; | |
64 | ||
65 | const float LogicSignal::Oversampling = 2.0f; | |
66 | ||
67 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
68 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
69 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
70 | ||
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 | |
82 | }; | |
83 | ||
84 | QColor LogicSignal::TriggerMarkerBackgroundColour = QColor(0xED, 0xD4, 0x00); | |
85 | const int LogicSignal::TriggerMarkerPadding = 2; | |
86 | const char* LogicSignal::TriggerMarkerIcons[8] = { | |
87 | nullptr, | |
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", | |
93 | nullptr, | |
94 | nullptr | |
95 | }; | |
96 | ||
97 | QCache<QString, const QIcon> LogicSignal::icon_cache_; | |
98 | QCache<QString, const QPixmap> LogicSignal::pixmap_cache_; | |
99 | ||
100 | LogicSignal::LogicSignal( | |
101 | pv::Session &session, | |
102 | shared_ptr<devices::Device> device, | |
103 | shared_ptr<Channel> channel, | |
104 | shared_ptr<data::Logic> data) : | |
105 | Signal(session, channel), | |
106 | device_(device), | |
107 | data_(data), | |
108 | trigger_none_(nullptr), | |
109 | trigger_rising_(nullptr), | |
110 | trigger_high_(nullptr), | |
111 | trigger_falling_(nullptr), | |
112 | trigger_low_(nullptr), | |
113 | trigger_change_(nullptr) | |
114 | { | |
115 | shared_ptr<Trigger> trigger; | |
116 | ||
117 | colour_ = SignalColours[channel->index() % countof(SignalColours)]; | |
118 | ||
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(); | |
127 | } | |
128 | ||
129 | LogicSignal::~LogicSignal() | |
130 | { | |
131 | } | |
132 | ||
133 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
134 | { | |
135 | return data_; | |
136 | } | |
137 | ||
138 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
139 | { | |
140 | return data_; | |
141 | } | |
142 | ||
143 | void LogicSignal::set_logic_data(std::shared_ptr<pv::data::Logic> data) | |
144 | { | |
145 | data_ = data; | |
146 | } | |
147 | ||
148 | std::pair<int, int> LogicSignal::v_extents() const | |
149 | { | |
150 | const int signal_margin = | |
151 | QFontMetrics(QApplication::font()).height() / 2; | |
152 | return make_pair(-SignalHeight - signal_margin, signal_margin); | |
153 | } | |
154 | ||
155 | int LogicSignal::scale_handle_offset() const | |
156 | { | |
157 | return SignalHeight; | |
158 | } | |
159 | ||
160 | void LogicSignal::scale_handle_dragged(int offset) | |
161 | { | |
162 | (void)offset; | |
163 | } | |
164 | ||
165 | void LogicSignal::paint_back(QPainter &p, const ViewItemPaintParams &pp) | |
166 | { | |
167 | if (channel_->enabled()) | |
168 | paint_axis(p, pp, get_visual_y()); | |
169 | } | |
170 | ||
171 | void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp) | |
172 | { | |
173 | QLineF *line; | |
174 | ||
175 | vector< pair<int64_t, bool> > edges; | |
176 | ||
177 | assert(channel_); | |
178 | assert(data_); | |
179 | assert(owner_); | |
180 | ||
181 | const int y = get_visual_y(); | |
182 | ||
183 | if (!channel_->enabled()) | |
184 | return; | |
185 | ||
186 | const float high_offset = y - SignalHeight + 0.5f; | |
187 | const float low_offset = y + 0.5f; | |
188 | ||
189 | const deque< shared_ptr<pv::data::LogicSegment> > &segments = | |
190 | data_->logic_segments(); | |
191 | if (segments.empty()) | |
192 | return; | |
193 | ||
194 | const shared_ptr<pv::data::LogicSegment> &segment = | |
195 | segments.front(); | |
196 | ||
197 | double samplerate = segment->samplerate(); | |
198 | ||
199 | // Show sample rate as 1Hz when it is unknown | |
200 | if (samplerate == 0.0) | |
201 | samplerate = 1.0; | |
202 | ||
203 | const double pixels_offset = pp.pixels_offset(); | |
204 | const pv::util::Timestamp& start_time = segment->start_time(); | |
205 | const int64_t last_sample = segment->get_sample_count() - 1; | |
206 | const double samples_per_pixel = samplerate * pp.scale(); | |
207 | const pv::util::Timestamp start = samplerate * (pp.offset() - start_time); | |
208 | const pv::util::Timestamp end = start + samples_per_pixel * pp.width(); | |
209 | ||
210 | const int64_t start_sample = min(max(floor(start).convert_to<int64_t>(), | |
211 | (int64_t)0), last_sample); | |
212 | const uint64_t end_sample = min(max(ceil(end).convert_to<int64_t>(), | |
213 | (int64_t)0), last_sample); | |
214 | ||
215 | segment->get_subsampled_edges(edges, start_sample, end_sample, | |
216 | samples_per_pixel / Oversampling, channel_->index()); | |
217 | assert(edges.size() >= 2); | |
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 | ||
230 | p.setPen(EdgeColour); | |
231 | p.drawLines(edge_lines, edge_count); | |
232 | delete[] edge_lines; | |
233 | ||
234 | // Paint the caps | |
235 | const unsigned int max_cap_line_count = edges.size(); | |
236 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
237 | ||
238 | p.setPen(HighColour); | |
239 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
240 | pixels_offset, pp.left(), high_offset); | |
241 | p.setPen(LowColour); | |
242 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
243 | pixels_offset, pp.left(), low_offset); | |
244 | ||
245 | delete[] cap_lines; | |
246 | } | |
247 | ||
248 | void LogicSignal::paint_fore(QPainter &p, const ViewItemPaintParams &pp) | |
249 | { | |
250 | // Draw the trigger marker | |
251 | if (!trigger_match_) | |
252 | return; | |
253 | ||
254 | const int y = get_visual_y(); | |
255 | const vector<int32_t> trig_types = get_trigger_types(); | |
256 | for (int32_t type_id : trig_types) { | |
257 | const TriggerMatchType *const type = | |
258 | TriggerMatchType::get(type_id); | |
259 | if (trigger_match_ != type || type_id < 0 || | |
260 | (size_t)type_id >= countof(TriggerMarkerIcons) || | |
261 | !TriggerMarkerIcons[type_id]) | |
262 | continue; | |
263 | ||
264 | const QPixmap *const pixmap = get_pixmap( | |
265 | TriggerMarkerIcons[type_id]); | |
266 | if (!pixmap) | |
267 | continue; | |
268 | ||
269 | const float pad = TriggerMarkerPadding - 0.5f; | |
270 | const QSize size = pixmap->size(); | |
271 | const QPoint point( | |
272 | pp.right() - size.width() - pad * 2, | |
273 | y - (SignalHeight + size.height()) / 2); | |
274 | ||
275 | p.setPen(QPen(TriggerMarkerBackgroundColour.darker())); | |
276 | p.setBrush(TriggerMarkerBackgroundColour); | |
277 | p.drawRoundedRect(QRectF(point, size).adjusted( | |
278 | -pad, -pad, pad, pad), pad, pad); | |
279 | p.drawPixmap(point, *pixmap); | |
280 | ||
281 | break; | |
282 | } | |
283 | } | |
284 | ||
285 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
286 | vector< pair<int64_t, bool> > &edges, bool level, | |
287 | double samples_per_pixel, double pixels_offset, float x_offset, | |
288 | float y_offset) | |
289 | { | |
290 | QLineF *line = lines; | |
291 | ||
292 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
293 | if ((*i).second == level) { | |
294 | *line++ = QLineF( | |
295 | ((*i).first / samples_per_pixel - | |
296 | pixels_offset) + x_offset, y_offset, | |
297 | ((*(i+1)).first / samples_per_pixel - | |
298 | pixels_offset) + x_offset, y_offset); | |
299 | } | |
300 | ||
301 | p.drawLines(lines, line - lines); | |
302 | } | |
303 | ||
304 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
305 | { | |
306 | trigger_none_ = new QAction(*get_icon(":/icons/trigger-none.svg"), | |
307 | tr("No trigger"), parent); | |
308 | trigger_none_->setCheckable(true); | |
309 | connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
310 | ||
311 | trigger_rising_ = new QAction(*get_icon(":/icons/trigger-rising.svg"), | |
312 | tr("Trigger on rising edge"), parent); | |
313 | trigger_rising_->setCheckable(true); | |
314 | connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
315 | ||
316 | trigger_high_ = new QAction(*get_icon(":/icons/trigger-high.svg"), | |
317 | tr("Trigger on high level"), parent); | |
318 | trigger_high_->setCheckable(true); | |
319 | connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
320 | ||
321 | trigger_falling_ = new QAction(*get_icon(":/icons/trigger-falling.svg"), | |
322 | tr("Trigger on falling edge"), parent); | |
323 | trigger_falling_->setCheckable(true); | |
324 | connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
325 | ||
326 | trigger_low_ = new QAction(*get_icon(":/icons/trigger-low.svg"), | |
327 | tr("Trigger on low level"), parent); | |
328 | trigger_low_->setCheckable(true); | |
329 | connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
330 | ||
331 | trigger_change_ = new QAction(*get_icon(":/icons/trigger-change.svg"), | |
332 | tr("Trigger on rising or falling edge"), parent); | |
333 | trigger_change_->setCheckable(true); | |
334 | connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
335 | } | |
336 | ||
337 | const vector<int32_t> LogicSignal::get_trigger_types() const | |
338 | { | |
339 | const auto sr_dev = device_->device(); | |
340 | const auto keys = sr_dev->config_keys(ConfigKey::DEVICE_OPTIONS); | |
341 | const auto iter = keys.find(ConfigKey::TRIGGER_MATCH); | |
342 | if (iter != keys.end() && | |
343 | (*iter).second.find(sigrok::LIST) != (*iter).second.end()) { | |
344 | try { | |
345 | const Glib::VariantContainerBase gvar = | |
346 | sr_dev->config_list(ConfigKey::TRIGGER_MATCH); | |
347 | return Glib::VariantBase::cast_dynamic< | |
348 | Glib::Variant<vector<int32_t>>>(gvar).get(); | |
349 | } catch (Error e) { | |
350 | // Failed to enumerate triggers | |
351 | (void)e; | |
352 | } | |
353 | } | |
354 | ||
355 | return vector<int32_t>(); | |
356 | } | |
357 | ||
358 | QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type) | |
359 | { | |
360 | QAction *action; | |
361 | ||
362 | action = trigger_none_; | |
363 | if (type) { | |
364 | switch (type->id()) { | |
365 | case SR_TRIGGER_ZERO: | |
366 | action = trigger_low_; | |
367 | break; | |
368 | case SR_TRIGGER_ONE: | |
369 | action = trigger_high_; | |
370 | break; | |
371 | case SR_TRIGGER_RISING: | |
372 | action = trigger_rising_; | |
373 | break; | |
374 | case SR_TRIGGER_FALLING: | |
375 | action = trigger_falling_; | |
376 | break; | |
377 | case SR_TRIGGER_EDGE: | |
378 | action = trigger_change_; | |
379 | break; | |
380 | default: | |
381 | assert(0); | |
382 | } | |
383 | } | |
384 | ||
385 | return action; | |
386 | } | |
387 | ||
388 | const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action) | |
389 | { | |
390 | if (action == trigger_low_) | |
391 | return TriggerMatchType::ZERO; | |
392 | else if (action == trigger_high_) | |
393 | return TriggerMatchType::ONE; | |
394 | else if (action == trigger_rising_) | |
395 | return TriggerMatchType::RISING; | |
396 | else if (action == trigger_falling_) | |
397 | return TriggerMatchType::FALLING; | |
398 | else if (action == trigger_change_) | |
399 | return TriggerMatchType::EDGE; | |
400 | else | |
401 | return nullptr; | |
402 | } | |
403 | ||
404 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
405 | { | |
406 | Signal::populate_popup_form(parent, form); | |
407 | ||
408 | const vector<int32_t> trig_types = get_trigger_types(); | |
409 | ||
410 | if (!trig_types.empty()) { | |
411 | trigger_bar_ = new QToolBar(parent); | |
412 | init_trigger_actions(trigger_bar_); | |
413 | trigger_bar_->addAction(trigger_none_); | |
414 | trigger_none_->setChecked(!trigger_match_); | |
415 | ||
416 | for (auto type_id : trig_types) { | |
417 | const TriggerMatchType *const type = | |
418 | TriggerMatchType::get(type_id); | |
419 | QAction *const action = action_from_trigger_type(type); | |
420 | trigger_bar_->addAction(action); | |
421 | action->setChecked(trigger_match_ == type); | |
422 | } | |
423 | form->addRow(tr("Trigger"), trigger_bar_); | |
424 | } | |
425 | } | |
426 | ||
427 | void LogicSignal::modify_trigger() | |
428 | { | |
429 | auto trigger = session_.session()->trigger(); | |
430 | auto new_trigger = session_.device_manager().context()->create_trigger("pulseview"); | |
431 | ||
432 | if (trigger) { | |
433 | for (auto stage : trigger->stages()) { | |
434 | const auto &matches = stage->matches(); | |
435 | if (std::none_of(matches.begin(), matches.end(), | |
436 | [&](shared_ptr<TriggerMatch> match) { | |
437 | return match->channel() != channel_; })) | |
438 | continue; | |
439 | ||
440 | auto new_stage = new_trigger->add_stage(); | |
441 | for (auto match : stage->matches()) { | |
442 | if (match->channel() == channel_) | |
443 | continue; | |
444 | new_stage->add_match(match->channel(), match->type()); | |
445 | } | |
446 | } | |
447 | } | |
448 | ||
449 | if (trigger_match_) | |
450 | new_trigger->add_stage()->add_match(channel_, trigger_match_); | |
451 | ||
452 | session_.session()->set_trigger( | |
453 | new_trigger->stages().empty() ? nullptr : new_trigger); | |
454 | ||
455 | if (owner_) | |
456 | owner_->row_item_appearance_changed(false, true); | |
457 | } | |
458 | ||
459 | const QIcon* LogicSignal::get_icon(const char *path) | |
460 | { | |
461 | const QIcon *icon = icon_cache_.take(path); | |
462 | if (!icon) { | |
463 | icon = new QIcon(path); | |
464 | icon_cache_.insert(path, icon); | |
465 | } | |
466 | ||
467 | return icon; | |
468 | } | |
469 | ||
470 | const QPixmap* LogicSignal::get_pixmap(const char *path) | |
471 | { | |
472 | const QPixmap *pixmap = pixmap_cache_.take(path); | |
473 | if (!pixmap) { | |
474 | pixmap = new QPixmap(path); | |
475 | pixmap_cache_.insert(path, pixmap); | |
476 | } | |
477 | ||
478 | return pixmap; | |
479 | } | |
480 | ||
481 | void LogicSignal::on_trigger() | |
482 | { | |
483 | QAction *action; | |
484 | ||
485 | action_from_trigger_type(trigger_match_)->setChecked(false); | |
486 | ||
487 | action = (QAction *)sender(); | |
488 | action->setChecked(true); | |
489 | trigger_match_ = trigger_type_from_action(action); | |
490 | ||
491 | modify_trigger(); | |
492 | } | |
493 | ||
494 | } // namespace view | |
495 | } // namespace pv |