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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 <QFormLayout> | |
29 | #include <QToolBar> | |
30 | ||
31 | #include "logicsignal.hpp" | |
32 | #include "view.hpp" | |
33 | ||
34 | #include <pv/sigsession.hpp> | |
35 | #include <pv/devicemanager.hpp> | |
36 | #include <pv/data/logic.hpp> | |
37 | #include <pv/data/logicsnapshot.hpp> | |
38 | #include <pv/view/view.hpp> | |
39 | ||
40 | #include <libsigrok/libsigrok.hpp> | |
41 | ||
42 | using std::deque; | |
43 | using std::max; | |
44 | using std::make_pair; | |
45 | using std::min; | |
46 | using std::pair; | |
47 | using std::shared_ptr; | |
48 | using std::vector; | |
49 | ||
50 | using sigrok::Channel; | |
51 | using sigrok::ConfigKey; | |
52 | using sigrok::Device; | |
53 | using sigrok::Error; | |
54 | using sigrok::Trigger; | |
55 | using sigrok::TriggerStage; | |
56 | using sigrok::TriggerMatch; | |
57 | using sigrok::TriggerMatchType; | |
58 | ||
59 | namespace pv { | |
60 | namespace view { | |
61 | ||
62 | const int LogicSignal::SignalHeight = 30; | |
63 | const int LogicSignal::SignalMargin = 10; | |
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 | LogicSignal::LogicSignal( | |
85 | pv::Session &session, | |
86 | shared_ptr<Device> device, | |
87 | shared_ptr<Channel> channel, | |
88 | shared_ptr<data::Logic> data) : | |
89 | Signal(session, channel), | |
90 | device_(device), | |
91 | data_(data), | |
92 | trigger_none_(NULL), | |
93 | trigger_rising_(NULL), | |
94 | trigger_high_(NULL), | |
95 | trigger_falling_(NULL), | |
96 | trigger_low_(NULL), | |
97 | trigger_change_(NULL) | |
98 | { | |
99 | shared_ptr<Trigger> trigger; | |
100 | ||
101 | colour_ = SignalColours[channel->index() % countof(SignalColours)]; | |
102 | ||
103 | /* Populate this channel's trigger setting with whatever we | |
104 | * find in the current session trigger, if anything. */ | |
105 | trigger_match_ = nullptr; | |
106 | if ((trigger = session_.session()->trigger())) | |
107 | for (auto stage : trigger->stages()) | |
108 | for (auto match : stage->matches()) | |
109 | if (match->channel() == channel_) | |
110 | trigger_match_ = match->type(); | |
111 | } | |
112 | ||
113 | LogicSignal::~LogicSignal() | |
114 | { | |
115 | } | |
116 | ||
117 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
118 | { | |
119 | return data_; | |
120 | } | |
121 | ||
122 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
123 | { | |
124 | return data_; | |
125 | } | |
126 | ||
127 | std::pair<int, int> LogicSignal::v_extents() const | |
128 | { | |
129 | return make_pair(-SignalHeight - SignalMargin, SignalMargin); | |
130 | } | |
131 | ||
132 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
133 | { | |
134 | if (channel_->enabled()) | |
135 | paint_axis(p, get_visual_y(), left, right); | |
136 | } | |
137 | ||
138 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
139 | { | |
140 | using pv::view::View; | |
141 | ||
142 | QLineF *line; | |
143 | ||
144 | vector< pair<int64_t, bool> > edges; | |
145 | ||
146 | assert(channel_); | |
147 | assert(data_); | |
148 | assert(right >= left); | |
149 | assert(owner_); | |
150 | ||
151 | const int y = get_visual_y(); | |
152 | ||
153 | const View *const view = owner_->view(); | |
154 | assert(view); | |
155 | ||
156 | const double scale = view->scale(); | |
157 | assert(scale > 0); | |
158 | ||
159 | const double offset = view->offset(); | |
160 | ||
161 | if (!channel_->enabled()) | |
162 | return; | |
163 | ||
164 | const float high_offset = y - SignalHeight + 0.5f; | |
165 | const float low_offset = y + 0.5f; | |
166 | ||
167 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
168 | data_->get_snapshots(); | |
169 | if (snapshots.empty()) | |
170 | return; | |
171 | ||
172 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
173 | snapshots.front(); | |
174 | ||
175 | double samplerate = data_->samplerate(); | |
176 | ||
177 | // Show sample rate as 1Hz when it is unknown | |
178 | if (samplerate == 0.0) | |
179 | samplerate = 1.0; | |
180 | ||
181 | const double pixels_offset = offset / scale; | |
182 | const double start_time = data_->get_start_time(); | |
183 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
184 | const double samples_per_pixel = samplerate * scale; | |
185 | const double start = samplerate * (offset - start_time); | |
186 | const double end = start + samples_per_pixel * (right - left); | |
187 | ||
188 | snapshot->get_subsampled_edges(edges, | |
189 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
190 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
191 | samples_per_pixel / Oversampling, channel_->index()); | |
192 | assert(edges.size() >= 2); | |
193 | ||
194 | // Paint the edges | |
195 | const unsigned int edge_count = edges.size() - 2; | |
196 | QLineF *const edge_lines = new QLineF[edge_count]; | |
197 | line = edge_lines; | |
198 | ||
199 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
200 | const float x = ((*i).first / samples_per_pixel - | |
201 | pixels_offset) + left; | |
202 | *line++ = QLineF(x, high_offset, x, low_offset); | |
203 | } | |
204 | ||
205 | p.setPen(EdgeColour); | |
206 | p.drawLines(edge_lines, edge_count); | |
207 | delete[] edge_lines; | |
208 | ||
209 | // Paint the caps | |
210 | const unsigned int max_cap_line_count = edges.size(); | |
211 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
212 | ||
213 | p.setPen(HighColour); | |
214 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
215 | pixels_offset, left, high_offset); | |
216 | p.setPen(LowColour); | |
217 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
218 | pixels_offset, left, low_offset); | |
219 | ||
220 | delete[] cap_lines; | |
221 | } | |
222 | ||
223 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
224 | vector< pair<int64_t, bool> > &edges, bool level, | |
225 | double samples_per_pixel, double pixels_offset, float x_offset, | |
226 | float y_offset) | |
227 | { | |
228 | QLineF *line = lines; | |
229 | ||
230 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
231 | if ((*i).second == level) { | |
232 | *line++ = QLineF( | |
233 | ((*i).first / samples_per_pixel - | |
234 | pixels_offset) + x_offset, y_offset, | |
235 | ((*(i+1)).first / samples_per_pixel - | |
236 | pixels_offset) + x_offset, y_offset); | |
237 | } | |
238 | ||
239 | p.drawLines(lines, line - lines); | |
240 | } | |
241 | ||
242 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
243 | { | |
244 | trigger_none_ = new QAction(QIcon(":/icons/trigger-none.svg"), | |
245 | tr("No trigger"), parent); | |
246 | trigger_none_->setCheckable(true); | |
247 | connect(trigger_none_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
248 | ||
249 | trigger_rising_ = new QAction(QIcon(":/icons/trigger-rising.svg"), | |
250 | tr("Trigger on rising edge"), parent); | |
251 | trigger_rising_->setCheckable(true); | |
252 | connect(trigger_rising_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
253 | ||
254 | trigger_high_ = new QAction(QIcon(":/icons/trigger-high.svg"), | |
255 | tr("Trigger on high level"), parent); | |
256 | trigger_high_->setCheckable(true); | |
257 | connect(trigger_high_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
258 | ||
259 | trigger_falling_ = new QAction(QIcon(":/icons/trigger-falling.svg"), | |
260 | tr("Trigger on falling edge"), parent); | |
261 | trigger_falling_->setCheckable(true); | |
262 | connect(trigger_falling_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
263 | ||
264 | trigger_low_ = new QAction(QIcon(":/icons/trigger-low.svg"), | |
265 | tr("Trigger on low level"), parent); | |
266 | trigger_low_->setCheckable(true); | |
267 | connect(trigger_low_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
268 | ||
269 | trigger_change_ = new QAction(QIcon(":/icons/trigger-change.svg"), | |
270 | tr("Trigger on rising or falling edge"), parent); | |
271 | trigger_change_->setCheckable(true); | |
272 | connect(trigger_change_, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
273 | } | |
274 | ||
275 | QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type) | |
276 | { | |
277 | QAction *action; | |
278 | ||
279 | action = trigger_none_; | |
280 | if (type) { | |
281 | switch (type->id()) { | |
282 | case SR_TRIGGER_ZERO: | |
283 | action = trigger_low_; | |
284 | break; | |
285 | case SR_TRIGGER_ONE: | |
286 | action = trigger_high_; | |
287 | break; | |
288 | case SR_TRIGGER_RISING: | |
289 | action = trigger_rising_; | |
290 | break; | |
291 | case SR_TRIGGER_FALLING: | |
292 | action = trigger_falling_; | |
293 | break; | |
294 | case SR_TRIGGER_EDGE: | |
295 | action = trigger_change_; | |
296 | break; | |
297 | default: | |
298 | assert(0); | |
299 | } | |
300 | } | |
301 | ||
302 | return action; | |
303 | } | |
304 | ||
305 | const TriggerMatchType *LogicSignal::trigger_type_from_action(QAction *action) | |
306 | { | |
307 | if (action == trigger_low_) | |
308 | return TriggerMatchType::ZERO; | |
309 | else if (action == trigger_high_) | |
310 | return TriggerMatchType::ONE; | |
311 | else if (action == trigger_rising_) | |
312 | return TriggerMatchType::RISING; | |
313 | else if (action == trigger_falling_) | |
314 | return TriggerMatchType::FALLING; | |
315 | else if (action == trigger_change_) | |
316 | return TriggerMatchType::EDGE; | |
317 | else | |
318 | return nullptr; | |
319 | } | |
320 | ||
321 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
322 | { | |
323 | Glib::VariantContainerBase gvar; | |
324 | vector<int32_t> trig_types; | |
325 | ||
326 | Signal::populate_popup_form(parent, form); | |
327 | ||
328 | try { | |
329 | gvar = device_->config_list(ConfigKey::TRIGGER_MATCH); | |
330 | } catch (Error e) { | |
331 | return; | |
332 | } | |
333 | ||
334 | trigger_bar_ = new QToolBar(parent); | |
335 | init_trigger_actions(trigger_bar_); | |
336 | trigger_bar_->addAction(trigger_none_); | |
337 | trigger_none_->setChecked(!trigger_match_); | |
338 | trig_types = | |
339 | Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>( | |
340 | gvar).get(); | |
341 | for (auto type_id : trig_types) { | |
342 | const TriggerMatchType *const type = | |
343 | TriggerMatchType::get(type_id); | |
344 | QAction *const action = action_from_trigger_type(type); | |
345 | trigger_bar_->addAction(action); | |
346 | action->setChecked(trigger_match_ == type); | |
347 | } | |
348 | form->addRow(tr("Trigger"), trigger_bar_); | |
349 | ||
350 | } | |
351 | ||
352 | void LogicSignal::modify_trigger() | |
353 | { | |
354 | auto trigger = session_.session()->trigger(); | |
355 | auto new_trigger = session_.device_manager().context()->create_trigger("pulseview"); | |
356 | ||
357 | if (trigger) { | |
358 | for (auto stage : trigger->stages()) { | |
359 | const auto &matches = stage->matches(); | |
360 | if (std::none_of(begin(matches), end(matches), | |
361 | [&](shared_ptr<TriggerMatch> match) { | |
362 | return match->channel() != channel_; })) | |
363 | continue; | |
364 | ||
365 | auto new_stage = new_trigger->add_stage(); | |
366 | for (auto match : stage->matches()) { | |
367 | if (match->channel() == channel_) | |
368 | continue; | |
369 | new_stage->add_match(match->channel(), match->type()); | |
370 | } | |
371 | } | |
372 | } | |
373 | ||
374 | if (trigger_match_) | |
375 | new_trigger->add_stage()->add_match(channel_, trigger_match_); | |
376 | ||
377 | session_.session()->set_trigger( | |
378 | new_trigger->stages().empty() ? nullptr : new_trigger); | |
379 | } | |
380 | ||
381 | void LogicSignal::on_trigger() | |
382 | { | |
383 | QAction *action; | |
384 | ||
385 | action_from_trigger_type(trigger_match_)->setChecked(false); | |
386 | ||
387 | action = (QAction *)sender(); | |
388 | action->setChecked(true); | |
389 | trigger_match_ = trigger_type_from_action(action); | |
390 | ||
391 | modify_trigger(); | |
392 | } | |
393 | ||
394 | } // namespace view | |
395 | } // namespace pv |