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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.h" | |
32 | #include "view.h" | |
33 | ||
34 | #include <pv/sigsession.h> | |
35 | #include <pv/devicemanager.h> | |
36 | #include <pv/data/logic.h> | |
37 | #include <pv/data/logicsnapshot.h> | |
38 | #include <pv/view/view.h> | |
39 | ||
40 | #include <libsigrok/libsigrok.hpp> | |
41 | ||
42 | using std::deque; | |
43 | using std::max; | |
44 | using std::min; | |
45 | using std::pair; | |
46 | using std::shared_ptr; | |
47 | using std::vector; | |
48 | ||
49 | using sigrok::Channel; | |
50 | using sigrok::ConfigKey; | |
51 | using sigrok::Device; | |
52 | using sigrok::Error; | |
53 | using sigrok::Trigger; | |
54 | using sigrok::TriggerStage; | |
55 | using sigrok::TriggerMatch; | |
56 | using sigrok::TriggerMatchType; | |
57 | ||
58 | namespace pv { | |
59 | namespace view { | |
60 | ||
61 | const float LogicSignal::Oversampling = 2.0f; | |
62 | ||
63 | const QColor LogicSignal::EdgeColour(0x80, 0x80, 0x80); | |
64 | const QColor LogicSignal::HighColour(0x00, 0xC0, 0x00); | |
65 | const QColor LogicSignal::LowColour(0xC0, 0x00, 0x00); | |
66 | ||
67 | const QColor LogicSignal::SignalColours[10] = { | |
68 | QColor(0x16, 0x19, 0x1A), // Black | |
69 | QColor(0x8F, 0x52, 0x02), // Brown | |
70 | QColor(0xCC, 0x00, 0x00), // Red | |
71 | QColor(0xF5, 0x79, 0x00), // Orange | |
72 | QColor(0xED, 0xD4, 0x00), // Yellow | |
73 | QColor(0x73, 0xD2, 0x16), // Green | |
74 | QColor(0x34, 0x65, 0xA4), // Blue | |
75 | QColor(0x75, 0x50, 0x7B), // Violet | |
76 | QColor(0x88, 0x8A, 0x85), // Grey | |
77 | QColor(0xEE, 0xEE, 0xEC), // White | |
78 | }; | |
79 | ||
80 | LogicSignal::LogicSignal( | |
81 | pv::SigSession &session, | |
82 | shared_ptr<Device> device, | |
83 | shared_ptr<Channel> channel, | |
84 | shared_ptr<data::Logic> data) : | |
85 | Signal(session, channel), | |
86 | _device(device), | |
87 | _data(data), | |
88 | _trigger_none(NULL), | |
89 | _trigger_rising(NULL), | |
90 | _trigger_high(NULL), | |
91 | _trigger_falling(NULL), | |
92 | _trigger_low(NULL), | |
93 | _trigger_change(NULL) | |
94 | { | |
95 | shared_ptr<Trigger> trigger; | |
96 | ||
97 | _colour = SignalColours[channel->index() % countof(SignalColours)]; | |
98 | ||
99 | /* Populate this channel's trigger setting with whatever we | |
100 | * find in the current session trigger, if anything. */ | |
101 | _trigger_match = nullptr; | |
102 | if ((trigger = _session.session()->trigger())) | |
103 | for (auto stage : trigger->stages()) | |
104 | for (auto match : stage->matches()) | |
105 | if (match->channel() == _channel) | |
106 | _trigger_match = match->type(); | |
107 | } | |
108 | ||
109 | LogicSignal::~LogicSignal() | |
110 | { | |
111 | } | |
112 | ||
113 | shared_ptr<pv::data::SignalData> LogicSignal::data() const | |
114 | { | |
115 | return _data; | |
116 | } | |
117 | ||
118 | shared_ptr<pv::data::Logic> LogicSignal::logic_data() const | |
119 | { | |
120 | return _data; | |
121 | } | |
122 | ||
123 | void LogicSignal::paint_back(QPainter &p, int left, int right) | |
124 | { | |
125 | if (_channel->enabled()) | |
126 | paint_axis(p, get_y(), left, right); | |
127 | } | |
128 | ||
129 | void LogicSignal::paint_mid(QPainter &p, int left, int right) | |
130 | { | |
131 | using pv::view::View; | |
132 | ||
133 | QLineF *line; | |
134 | ||
135 | vector< pair<int64_t, bool> > edges; | |
136 | ||
137 | assert(_channel); | |
138 | assert(_data); | |
139 | assert(right >= left); | |
140 | ||
141 | assert(_view); | |
142 | const int y = _v_offset - _view->v_offset(); | |
143 | ||
144 | const double scale = _view->scale(); | |
145 | assert(scale > 0); | |
146 | ||
147 | const double offset = _view->offset(); | |
148 | ||
149 | if (!_channel->enabled()) | |
150 | return; | |
151 | ||
152 | const float high_offset = y - View::SignalHeight + 0.5f; | |
153 | const float low_offset = y + 0.5f; | |
154 | ||
155 | const deque< shared_ptr<pv::data::LogicSnapshot> > &snapshots = | |
156 | _data->get_snapshots(); | |
157 | if (snapshots.empty()) | |
158 | return; | |
159 | ||
160 | const shared_ptr<pv::data::LogicSnapshot> &snapshot = | |
161 | snapshots.front(); | |
162 | ||
163 | double samplerate = _data->samplerate(); | |
164 | ||
165 | // Show sample rate as 1Hz when it is unknown | |
166 | if (samplerate == 0.0) | |
167 | samplerate = 1.0; | |
168 | ||
169 | const double pixels_offset = offset / scale; | |
170 | const double start_time = _data->get_start_time(); | |
171 | const int64_t last_sample = snapshot->get_sample_count() - 1; | |
172 | const double samples_per_pixel = samplerate * scale; | |
173 | const double start = samplerate * (offset - start_time); | |
174 | const double end = start + samples_per_pixel * (right - left); | |
175 | ||
176 | snapshot->get_subsampled_edges(edges, | |
177 | min(max((int64_t)floor(start), (int64_t)0), last_sample), | |
178 | min(max((int64_t)ceil(end), (int64_t)0), last_sample), | |
179 | samples_per_pixel / Oversampling, _channel->index()); | |
180 | assert(edges.size() >= 2); | |
181 | ||
182 | // Paint the edges | |
183 | const unsigned int edge_count = edges.size() - 2; | |
184 | QLineF *const edge_lines = new QLineF[edge_count]; | |
185 | line = edge_lines; | |
186 | ||
187 | for (auto i = edges.cbegin() + 1; i != edges.cend() - 1; i++) { | |
188 | const float x = ((*i).first / samples_per_pixel - | |
189 | pixels_offset) + left; | |
190 | *line++ = QLineF(x, high_offset, x, low_offset); | |
191 | } | |
192 | ||
193 | p.setPen(EdgeColour); | |
194 | p.drawLines(edge_lines, edge_count); | |
195 | delete[] edge_lines; | |
196 | ||
197 | // Paint the caps | |
198 | const unsigned int max_cap_line_count = edges.size(); | |
199 | QLineF *const cap_lines = new QLineF[max_cap_line_count]; | |
200 | ||
201 | p.setPen(HighColour); | |
202 | paint_caps(p, cap_lines, edges, true, samples_per_pixel, | |
203 | pixels_offset, left, high_offset); | |
204 | p.setPen(LowColour); | |
205 | paint_caps(p, cap_lines, edges, false, samples_per_pixel, | |
206 | pixels_offset, left, low_offset); | |
207 | ||
208 | delete[] cap_lines; | |
209 | } | |
210 | ||
211 | void LogicSignal::paint_caps(QPainter &p, QLineF *const lines, | |
212 | vector< pair<int64_t, bool> > &edges, bool level, | |
213 | double samples_per_pixel, double pixels_offset, float x_offset, | |
214 | float y_offset) | |
215 | { | |
216 | QLineF *line = lines; | |
217 | ||
218 | for (auto i = edges.begin(); i != (edges.end() - 1); i++) | |
219 | if ((*i).second == level) { | |
220 | *line++ = QLineF( | |
221 | ((*i).first / samples_per_pixel - | |
222 | pixels_offset) + x_offset, y_offset, | |
223 | ((*(i+1)).first / samples_per_pixel - | |
224 | pixels_offset) + x_offset, y_offset); | |
225 | } | |
226 | ||
227 | p.drawLines(lines, line - lines); | |
228 | } | |
229 | ||
230 | void LogicSignal::init_trigger_actions(QWidget *parent) | |
231 | { | |
232 | _trigger_none = new QAction(QIcon(":/icons/trigger-none.svg"), | |
233 | tr("No trigger"), parent); | |
234 | _trigger_none->setCheckable(true); | |
235 | connect(_trigger_none, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
236 | ||
237 | _trigger_rising = new QAction(QIcon(":/icons/trigger-rising.svg"), | |
238 | tr("Trigger on rising edge"), parent); | |
239 | _trigger_rising->setCheckable(true); | |
240 | connect(_trigger_rising, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
241 | ||
242 | _trigger_high = new QAction(QIcon(":/icons/trigger-high.svg"), | |
243 | tr("Trigger on high level"), parent); | |
244 | _trigger_high->setCheckable(true); | |
245 | connect(_trigger_high, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
246 | ||
247 | _trigger_falling = new QAction(QIcon(":/icons/trigger-falling.svg"), | |
248 | tr("Trigger on falling edge"), parent); | |
249 | _trigger_falling->setCheckable(true); | |
250 | connect(_trigger_falling, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
251 | ||
252 | _trigger_low = new QAction(QIcon(":/icons/trigger-low.svg"), | |
253 | tr("Trigger on low level"), parent); | |
254 | _trigger_low->setCheckable(true); | |
255 | connect(_trigger_low, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
256 | ||
257 | _trigger_change = new QAction(QIcon(":/icons/trigger-change.svg"), | |
258 | tr("Trigger on rising or falling edge"), parent); | |
259 | _trigger_change->setCheckable(true); | |
260 | connect(_trigger_change, SIGNAL(triggered()), this, SLOT(on_trigger())); | |
261 | } | |
262 | ||
263 | QAction* LogicSignal::match_action(const TriggerMatchType *type) | |
264 | { | |
265 | QAction *action; | |
266 | ||
267 | action = _trigger_none; | |
268 | if (type) { | |
269 | switch (type->id()) { | |
270 | case SR_TRIGGER_ZERO: | |
271 | action = _trigger_low; | |
272 | break; | |
273 | case SR_TRIGGER_ONE: | |
274 | action = _trigger_high; | |
275 | break; | |
276 | case SR_TRIGGER_RISING: | |
277 | action = _trigger_rising; | |
278 | break; | |
279 | case SR_TRIGGER_FALLING: | |
280 | action = _trigger_falling; | |
281 | break; | |
282 | case SR_TRIGGER_EDGE: | |
283 | action = _trigger_change; | |
284 | break; | |
285 | default: | |
286 | assert(0); | |
287 | } | |
288 | } | |
289 | ||
290 | return action; | |
291 | } | |
292 | ||
293 | const TriggerMatchType *LogicSignal::action_match(QAction *action) | |
294 | { | |
295 | if (action == _trigger_low) | |
296 | return TriggerMatchType::ZERO; | |
297 | else if (action == _trigger_high) | |
298 | return TriggerMatchType::ONE; | |
299 | else if (action == _trigger_rising) | |
300 | return TriggerMatchType::RISING; | |
301 | else if (action == _trigger_falling) | |
302 | return TriggerMatchType::FALLING; | |
303 | else if (action == _trigger_change) | |
304 | return TriggerMatchType::EDGE; | |
305 | else | |
306 | return nullptr; | |
307 | } | |
308 | ||
309 | void LogicSignal::populate_popup_form(QWidget *parent, QFormLayout *form) | |
310 | { | |
311 | Glib::VariantContainerBase gvar; | |
312 | vector<int32_t> trig_types; | |
313 | ||
314 | Signal::populate_popup_form(parent, form); | |
315 | ||
316 | try { | |
317 | gvar = _device->config_list(ConfigKey::TRIGGER_MATCH); | |
318 | } catch (Error e) { | |
319 | return; | |
320 | } | |
321 | ||
322 | _trigger_bar = new QToolBar(parent); | |
323 | init_trigger_actions(_trigger_bar); | |
324 | _trigger_bar->addAction(_trigger_none); | |
325 | _trigger_none->setChecked(!_trigger_match); | |
326 | trig_types = | |
327 | Glib::VariantBase::cast_dynamic<Glib::Variant<vector<int32_t>>>( | |
328 | gvar).get(); | |
329 | for (auto type_id : trig_types) { | |
330 | auto type = TriggerMatchType::get(type_id); | |
331 | _trigger_bar->addAction(match_action(type)); | |
332 | match_action(type)->setChecked(_trigger_match == type); | |
333 | } | |
334 | form->addRow(tr("Trigger"), _trigger_bar); | |
335 | ||
336 | } | |
337 | ||
338 | void LogicSignal::modify_trigger() | |
339 | { | |
340 | auto trigger = _session.session()->trigger(); | |
341 | auto new_trigger = _session.device_manager().context()->create_trigger("pulseview"); | |
342 | ||
343 | if (trigger) { | |
344 | for (auto stage : trigger->stages()) { | |
345 | const auto &matches = stage->matches(); | |
346 | if (std::none_of(begin(matches), end(matches), | |
347 | [&](shared_ptr<TriggerMatch> match) { | |
348 | return match->channel() != _channel; })) | |
349 | continue; | |
350 | ||
351 | auto new_stage = new_trigger->add_stage(); | |
352 | for (auto match : stage->matches()) { | |
353 | if (match->channel() == _channel) | |
354 | continue; | |
355 | new_stage->add_match(match->channel(), match->type()); | |
356 | } | |
357 | } | |
358 | } | |
359 | ||
360 | if (_trigger_match) | |
361 | new_trigger->add_stage()->add_match(_channel, _trigger_match); | |
362 | ||
363 | _session.session()->set_trigger( | |
364 | new_trigger->stages().empty() ? nullptr : new_trigger); | |
365 | } | |
366 | ||
367 | void LogicSignal::on_trigger() | |
368 | { | |
369 | QAction *action; | |
370 | ||
371 | match_action(_trigger_match)->setChecked(false); | |
372 | ||
373 | action = (QAction *)sender(); | |
374 | action->setChecked(true); | |
375 | _trigger_match = action_match(action); | |
376 | ||
377 | modify_trigger(); | |
378 | } | |
379 | ||
380 | } // namespace view | |
381 | } // namespace pv |