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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 | * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include "analog.hpp" | |
22 | #include "analogsegment.hpp" | |
23 | #include "decode/row.hpp" | |
24 | #include "logic.hpp" | |
25 | #include "logicsegment.hpp" | |
26 | #include "signalbase.hpp" | |
27 | #include "signaldata.hpp" | |
28 | ||
29 | #include <QDebug> | |
30 | ||
31 | #include <extdef.h> | |
32 | #include <pv/session.hpp> | |
33 | #include <pv/binding/decoder.hpp> | |
34 | ||
35 | using std::dynamic_pointer_cast; | |
36 | using std::make_shared; | |
37 | using std::out_of_range; | |
38 | using std::shared_ptr; | |
39 | using std::tie; | |
40 | using std::unique_lock; | |
41 | ||
42 | namespace pv { | |
43 | namespace data { | |
44 | ||
45 | const QColor SignalBase::AnalogSignalColors[8] = | |
46 | { | |
47 | QColor(0xC4, 0xA0, 0x00), // Yellow HSV: 49 / 100 / 77 | |
48 | QColor(0x87, 0x20, 0x7A), // Magenta HSV: 308 / 70 / 53 | |
49 | QColor(0x20, 0x4A, 0x87), // Blue HSV: 216 / 76 / 53 | |
50 | QColor(0x4E, 0x9A, 0x06), // Green HSV: 91 / 96 / 60 | |
51 | QColor(0xBF, 0x6E, 0x00), // Orange HSV: 35 / 100 / 75 | |
52 | QColor(0x5E, 0x20, 0x80), // Purple HSV: 280 / 75 / 50 | |
53 | QColor(0x20, 0x80, 0x7A), // Turqoise HSV: 177 / 75 / 50 | |
54 | QColor(0x80, 0x20, 0x24) // Red HSV: 358 / 75 / 50 | |
55 | }; | |
56 | ||
57 | const QColor SignalBase::LogicSignalColors[10] = | |
58 | { | |
59 | QColor(0x16, 0x19, 0x1A), // Black | |
60 | QColor(0x8F, 0x52, 0x02), // Brown | |
61 | QColor(0xCC, 0x00, 0x00), // Red | |
62 | QColor(0xF5, 0x79, 0x00), // Orange | |
63 | QColor(0xED, 0xD4, 0x00), // Yellow | |
64 | QColor(0x73, 0xD2, 0x16), // Green | |
65 | QColor(0x34, 0x65, 0xA4), // Blue | |
66 | QColor(0x75, 0x50, 0x7B), // Violet | |
67 | QColor(0x88, 0x8A, 0x85), // Grey | |
68 | QColor(0xEE, 0xEE, 0xEC), // White | |
69 | }; | |
70 | ||
71 | ||
72 | const int SignalBase::ColorBGAlpha = 8 * 256 / 100; | |
73 | const uint64_t SignalBase::ConversionBlockSize = 4096; | |
74 | const uint32_t SignalBase::ConversionDelay = 1000; // 1 second | |
75 | ||
76 | ||
77 | SignalGroup::SignalGroup(const QString& name) | |
78 | { | |
79 | name_ = name; | |
80 | } | |
81 | ||
82 | void SignalGroup::append_signal(shared_ptr<SignalBase> signal) | |
83 | { | |
84 | if (!signal) | |
85 | return; | |
86 | ||
87 | signals_.push_back(signal); | |
88 | signal->set_group(this); | |
89 | } | |
90 | ||
91 | void SignalGroup::remove_signal(shared_ptr<SignalBase> signal) | |
92 | { | |
93 | if (!signal) | |
94 | return; | |
95 | ||
96 | signals_.erase(std::remove_if(signals_.begin(), signals_.end(), | |
97 | [&](shared_ptr<SignalBase> s) { return s == signal; }), | |
98 | signals_.end()); | |
99 | } | |
100 | ||
101 | deque<shared_ptr<SignalBase>> SignalGroup::signals() const | |
102 | { | |
103 | return signals_; | |
104 | } | |
105 | ||
106 | void SignalGroup::clear() | |
107 | { | |
108 | for (shared_ptr<SignalBase> sb : signals_) | |
109 | sb->set_group(nullptr); | |
110 | ||
111 | signals_.clear(); | |
112 | } | |
113 | ||
114 | const QString SignalGroup::name() const | |
115 | { | |
116 | return name_; | |
117 | } | |
118 | ||
119 | ||
120 | SignalBase::SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type) : | |
121 | channel_(channel), | |
122 | channel_type_(channel_type), | |
123 | group_(nullptr), | |
124 | conversion_type_(NoConversion), | |
125 | min_value_(0), | |
126 | max_value_(0), | |
127 | error_message_("") | |
128 | { | |
129 | if (channel_) { | |
130 | internal_name_ = QString::fromStdString(channel_->name()); | |
131 | index_ = channel_->index(); | |
132 | } | |
133 | ||
134 | connect(&delayed_conversion_starter_, SIGNAL(timeout()), | |
135 | this, SLOT(on_delayed_conversion_start())); | |
136 | delayed_conversion_starter_.setSingleShot(true); | |
137 | delayed_conversion_starter_.setInterval(ConversionDelay); | |
138 | ||
139 | // Only logic and analog SR channels can have their colors auto-set | |
140 | // because for them, we have an index that can be used | |
141 | if (channel_type == LogicChannel) | |
142 | set_color(LogicSignalColors[index() % countof(LogicSignalColors)]); | |
143 | else if (channel_type == AnalogChannel) | |
144 | set_color(AnalogSignalColors[index() % countof(AnalogSignalColors)]); | |
145 | } | |
146 | ||
147 | SignalBase::~SignalBase() | |
148 | { | |
149 | stop_conversion(); | |
150 | } | |
151 | ||
152 | shared_ptr<sigrok::Channel> SignalBase::channel() const | |
153 | { | |
154 | return channel_; | |
155 | } | |
156 | ||
157 | bool SignalBase::is_generated() const | |
158 | { | |
159 | // Only signals associated with a device have a corresponding sigrok channel | |
160 | return channel_ == nullptr; | |
161 | } | |
162 | ||
163 | bool SignalBase::enabled() const | |
164 | { | |
165 | return (channel_) ? channel_->enabled() : true; | |
166 | } | |
167 | ||
168 | void SignalBase::set_enabled(bool value) | |
169 | { | |
170 | if (channel_) { | |
171 | channel_->set_enabled(value); | |
172 | enabled_changed(value); | |
173 | } | |
174 | } | |
175 | ||
176 | SignalBase::ChannelType SignalBase::type() const | |
177 | { | |
178 | return channel_type_; | |
179 | } | |
180 | ||
181 | unsigned int SignalBase::index() const | |
182 | { | |
183 | return index_; | |
184 | } | |
185 | ||
186 | void SignalBase::set_index(unsigned int index) | |
187 | { | |
188 | index_ = index; | |
189 | } | |
190 | ||
191 | unsigned int SignalBase::logic_bit_index() const | |
192 | { | |
193 | if (channel_type_ == LogicChannel) | |
194 | return index_; | |
195 | else | |
196 | return 0; | |
197 | } | |
198 | ||
199 | void SignalBase::set_group(SignalGroup* group) | |
200 | { | |
201 | group_ = group; | |
202 | } | |
203 | ||
204 | SignalGroup* SignalBase::group() const | |
205 | { | |
206 | return group_; | |
207 | } | |
208 | ||
209 | QString SignalBase::name() const | |
210 | { | |
211 | return (channel_) ? QString::fromStdString(channel_->name()) : name_; | |
212 | } | |
213 | ||
214 | QString SignalBase::internal_name() const | |
215 | { | |
216 | return internal_name_; | |
217 | } | |
218 | ||
219 | void SignalBase::set_internal_name(QString internal_name) | |
220 | { | |
221 | internal_name_ = internal_name; | |
222 | } | |
223 | ||
224 | QString SignalBase::display_name() const | |
225 | { | |
226 | if ((name() != internal_name_) && (!internal_name_.isEmpty())) | |
227 | return name() + " (" + internal_name_ + ")"; | |
228 | else | |
229 | return name(); | |
230 | } | |
231 | ||
232 | void SignalBase::set_name(QString name) | |
233 | { | |
234 | if (channel_) | |
235 | channel_->set_name(name.toUtf8().constData()); | |
236 | ||
237 | name_ = name; | |
238 | ||
239 | name_changed(name); | |
240 | } | |
241 | ||
242 | QColor SignalBase::color() const | |
243 | { | |
244 | return color_; | |
245 | } | |
246 | ||
247 | void SignalBase::set_color(QColor color) | |
248 | { | |
249 | color_ = color; | |
250 | ||
251 | bgcolor_ = color; | |
252 | bgcolor_.setAlpha(ColorBGAlpha); | |
253 | ||
254 | color_changed(color); | |
255 | } | |
256 | ||
257 | QColor SignalBase::bgcolor() const | |
258 | { | |
259 | return bgcolor_; | |
260 | } | |
261 | ||
262 | QString SignalBase::get_error_message() const | |
263 | { | |
264 | return error_message_; | |
265 | } | |
266 | ||
267 | void SignalBase::set_data(shared_ptr<pv::data::SignalData> data) | |
268 | { | |
269 | if (data_) { | |
270 | disconnect(data.get(), SIGNAL(samples_cleared()), | |
271 | this, SLOT(on_samples_cleared())); | |
272 | disconnect(data.get(), SIGNAL(samples_added(shared_ptr<Segment>, uint64_t, uint64_t)), | |
273 | this, SLOT(on_samples_added(shared_ptr<Segment>, uint64_t, uint64_t))); | |
274 | ||
275 | shared_ptr<Analog> analog = analog_data(); | |
276 | if (analog) | |
277 | disconnect(analog.get(), SIGNAL(min_max_changed(float, float)), | |
278 | this, SLOT(on_min_max_changed(float, float))); | |
279 | } | |
280 | ||
281 | data_ = data; | |
282 | ||
283 | if (data_) { | |
284 | connect(data.get(), SIGNAL(samples_cleared()), | |
285 | this, SLOT(on_samples_cleared())); | |
286 | connect(data.get(), SIGNAL(samples_added(SharedPtrToSegment, uint64_t, uint64_t)), | |
287 | this, SLOT(on_samples_added(SharedPtrToSegment, uint64_t, uint64_t))); | |
288 | ||
289 | shared_ptr<Analog> analog = analog_data(); | |
290 | if (analog) | |
291 | connect(analog.get(), SIGNAL(min_max_changed(float, float)), | |
292 | this, SLOT(on_min_max_changed(float, float))); | |
293 | } | |
294 | } | |
295 | ||
296 | void SignalBase::clear_sample_data() | |
297 | { | |
298 | if (analog_data()) | |
299 | analog_data()->clear(); | |
300 | ||
301 | if (logic_data()) | |
302 | logic_data()->clear(); | |
303 | } | |
304 | ||
305 | shared_ptr<data::Analog> SignalBase::analog_data() const | |
306 | { | |
307 | return dynamic_pointer_cast<Analog>(data_); | |
308 | } | |
309 | ||
310 | shared_ptr<data::Logic> SignalBase::logic_data() const | |
311 | { | |
312 | shared_ptr<Logic> result = dynamic_pointer_cast<Logic>(data_); | |
313 | ||
314 | if (((conversion_type_ == A2LConversionByThreshold) || | |
315 | (conversion_type_ == A2LConversionBySchmittTrigger))) | |
316 | result = dynamic_pointer_cast<Logic>(converted_data_); | |
317 | ||
318 | return result; | |
319 | } | |
320 | ||
321 | bool SignalBase::segment_is_complete(uint32_t segment_id) const | |
322 | { | |
323 | bool result = true; | |
324 | ||
325 | shared_ptr<Analog> adata = analog_data(); | |
326 | if (adata) | |
327 | { | |
328 | auto segments = adata->analog_segments(); | |
329 | try { | |
330 | result = segments.at(segment_id)->is_complete(); | |
331 | } catch (out_of_range&) { | |
332 | // Do nothing | |
333 | } | |
334 | } else { | |
335 | shared_ptr<Logic> ldata = logic_data(); | |
336 | if (ldata) { | |
337 | shared_ptr<Logic> data = dynamic_pointer_cast<Logic>(data_); | |
338 | auto segments = data->logic_segments(); | |
339 | try { | |
340 | result = segments.at(segment_id)->is_complete(); | |
341 | } catch (out_of_range&) { | |
342 | // Do nothing | |
343 | } | |
344 | } | |
345 | } | |
346 | ||
347 | return result; | |
348 | } | |
349 | ||
350 | bool SignalBase::has_samples() const | |
351 | { | |
352 | bool result = false; | |
353 | ||
354 | shared_ptr<Analog> adata = analog_data(); | |
355 | if (adata) | |
356 | { | |
357 | auto segments = adata->analog_segments(); | |
358 | if ((segments.size() > 0) && (segments.front()->get_sample_count() > 0)) | |
359 | result = true; | |
360 | } else { | |
361 | shared_ptr<Logic> ldata = logic_data(); | |
362 | if (ldata) { | |
363 | auto segments = ldata->logic_segments(); | |
364 | if ((segments.size() > 0) && (segments.front()->get_sample_count() > 0)) | |
365 | result = true; | |
366 | } | |
367 | } | |
368 | ||
369 | return result; | |
370 | } | |
371 | ||
372 | double SignalBase::get_samplerate() const | |
373 | { | |
374 | shared_ptr<Analog> adata = analog_data(); | |
375 | if (adata) | |
376 | return adata->get_samplerate(); | |
377 | else { | |
378 | shared_ptr<Logic> ldata = logic_data(); | |
379 | if (ldata) | |
380 | return ldata->get_samplerate(); | |
381 | } | |
382 | ||
383 | // Default samplerate is 1 Hz | |
384 | return 1.0; | |
385 | } | |
386 | ||
387 | SignalBase::ConversionType SignalBase::get_conversion_type() const | |
388 | { | |
389 | return conversion_type_; | |
390 | } | |
391 | ||
392 | void SignalBase::set_conversion_type(ConversionType t) | |
393 | { | |
394 | if (conversion_type_ != NoConversion) { | |
395 | stop_conversion(); | |
396 | ||
397 | // Discard converted data | |
398 | converted_data_.reset(); | |
399 | samples_cleared(); | |
400 | } | |
401 | ||
402 | conversion_type_ = t; | |
403 | ||
404 | // Re-create an empty container | |
405 | // so that the signal is recognized as providing logic data | |
406 | // and thus can be assigned to a decoder | |
407 | if (conversion_is_a2l()) | |
408 | if (!converted_data_) | |
409 | converted_data_ = make_shared<Logic>(1); // Contains only one channel | |
410 | ||
411 | start_conversion(); | |
412 | ||
413 | conversion_type_changed(t); | |
414 | } | |
415 | ||
416 | map<QString, QVariant> SignalBase::get_conversion_options() const | |
417 | { | |
418 | return conversion_options_; | |
419 | } | |
420 | ||
421 | bool SignalBase::set_conversion_option(QString key, QVariant value) | |
422 | { | |
423 | QVariant old_value; | |
424 | ||
425 | auto key_iter = conversion_options_.find(key); | |
426 | if (key_iter != conversion_options_.end()) | |
427 | old_value = key_iter->second; | |
428 | ||
429 | conversion_options_[key] = value; | |
430 | ||
431 | return (value != old_value); | |
432 | } | |
433 | ||
434 | vector<double> SignalBase::get_conversion_thresholds(const ConversionType t, | |
435 | const bool always_custom) const | |
436 | { | |
437 | vector<double> result; | |
438 | ConversionType conv_type = t; | |
439 | ConversionPreset preset; | |
440 | ||
441 | // Use currently active conversion if no conversion type was supplied | |
442 | if (conv_type == NoConversion) | |
443 | conv_type = conversion_type_; | |
444 | ||
445 | if (always_custom) | |
446 | preset = NoPreset; | |
447 | else | |
448 | preset = get_current_conversion_preset(); | |
449 | ||
450 | if (conv_type == A2LConversionByThreshold) { | |
451 | double thr = 0; | |
452 | ||
453 | if (preset == NoPreset) { | |
454 | auto thr_iter = conversion_options_.find("threshold_value"); | |
455 | if (thr_iter != conversion_options_.end()) | |
456 | thr = (thr_iter->second).toDouble(); | |
457 | } | |
458 | ||
459 | if (preset == DynamicPreset) | |
460 | thr = (min_value_ + max_value_) * 0.5; // middle between min and max | |
461 | ||
462 | if ((int)preset == 1) thr = 0.9; | |
463 | if ((int)preset == 2) thr = 1.8; | |
464 | if ((int)preset == 3) thr = 2.5; | |
465 | if ((int)preset == 4) thr = 1.5; | |
466 | ||
467 | result.push_back(thr); | |
468 | } | |
469 | ||
470 | if (conv_type == A2LConversionBySchmittTrigger) { | |
471 | double thr_lo = 0, thr_hi = 0; | |
472 | ||
473 | if (preset == NoPreset) { | |
474 | auto thr_lo_iter = conversion_options_.find("threshold_value_low"); | |
475 | if (thr_lo_iter != conversion_options_.end()) | |
476 | thr_lo = (thr_lo_iter->second).toDouble(); | |
477 | ||
478 | auto thr_hi_iter = conversion_options_.find("threshold_value_high"); | |
479 | if (thr_hi_iter != conversion_options_.end()) | |
480 | thr_hi = (thr_hi_iter->second).toDouble(); | |
481 | } | |
482 | ||
483 | if (preset == DynamicPreset) { | |
484 | const double amplitude = max_value_ - min_value_; | |
485 | const double center = min_value_ + (amplitude / 2); | |
486 | thr_lo = center - (amplitude * 0.15); // 15% margin | |
487 | thr_hi = center + (amplitude * 0.15); // 15% margin | |
488 | } | |
489 | ||
490 | if ((int)preset == 1) { thr_lo = 0.3; thr_hi = 1.2; } | |
491 | if ((int)preset == 2) { thr_lo = 0.7; thr_hi = 2.5; } | |
492 | if ((int)preset == 3) { thr_lo = 1.3; thr_hi = 3.7; } | |
493 | if ((int)preset == 4) { thr_lo = 0.8; thr_hi = 2.0; } | |
494 | ||
495 | result.push_back(thr_lo); | |
496 | result.push_back(thr_hi); | |
497 | } | |
498 | ||
499 | return result; | |
500 | } | |
501 | ||
502 | vector< pair<QString, int> > SignalBase::get_conversion_presets() const | |
503 | { | |
504 | vector< pair<QString, int> > presets; | |
505 | ||
506 | if (conversion_type_ == A2LConversionByThreshold) { | |
507 | // Source: http://www.interfacebus.com/voltage_threshold.html | |
508 | presets.emplace_back(tr("Signal average"), 0); | |
509 | presets.emplace_back(tr("0.9V (for 1.8V CMOS)"), 1); | |
510 | presets.emplace_back(tr("1.8V (for 3.3V CMOS)"), 2); | |
511 | presets.emplace_back(tr("2.5V (for 5.0V CMOS)"), 3); | |
512 | presets.emplace_back(tr("1.5V (for TTL)"), 4); | |
513 | } | |
514 | ||
515 | if (conversion_type_ == A2LConversionBySchmittTrigger) { | |
516 | // Source: http://www.interfacebus.com/voltage_threshold.html | |
517 | presets.emplace_back(tr("Signal average +/- 15%"), 0); | |
518 | presets.emplace_back(tr("0.3V/1.2V (for 1.8V CMOS)"), 1); | |
519 | presets.emplace_back(tr("0.7V/2.5V (for 3.3V CMOS)"), 2); | |
520 | presets.emplace_back(tr("1.3V/3.7V (for 5.0V CMOS)"), 3); | |
521 | presets.emplace_back(tr("0.8V/2.0V (for TTL)"), 4); | |
522 | } | |
523 | ||
524 | return presets; | |
525 | } | |
526 | ||
527 | SignalBase::ConversionPreset SignalBase::get_current_conversion_preset() const | |
528 | { | |
529 | auto preset = conversion_options_.find("preset"); | |
530 | if (preset != conversion_options_.end()) | |
531 | return (ConversionPreset)((preset->second).toInt()); | |
532 | ||
533 | return DynamicPreset; | |
534 | } | |
535 | ||
536 | void SignalBase::set_conversion_preset(ConversionPreset id) | |
537 | { | |
538 | conversion_options_["preset"] = (int)id; | |
539 | } | |
540 | ||
541 | #ifdef ENABLE_DECODE | |
542 | bool SignalBase::is_decode_signal() const | |
543 | { | |
544 | return (channel_type_ == DecodeChannel); | |
545 | } | |
546 | #endif | |
547 | ||
548 | void SignalBase::save_settings(QSettings &settings) const | |
549 | { | |
550 | settings.setValue("name", name()); | |
551 | settings.setValue("enabled", enabled()); | |
552 | settings.setValue("color", color().rgba()); | |
553 | settings.setValue("conversion_type", (int)conversion_type_); | |
554 | ||
555 | settings.setValue("conv_options", (int)(conversion_options_.size())); | |
556 | int i = 0; | |
557 | for (auto& kvp : conversion_options_) { | |
558 | settings.setValue(QString("conv_option%1_key").arg(i), kvp.first); | |
559 | settings.setValue(QString("conv_option%1_value").arg(i), kvp.second); | |
560 | i++; | |
561 | } | |
562 | } | |
563 | ||
564 | void SignalBase::restore_settings(QSettings &settings) | |
565 | { | |
566 | if (settings.contains("name")) | |
567 | set_name(settings.value("name").toString()); | |
568 | ||
569 | if (settings.contains("enabled")) | |
570 | set_enabled(settings.value("enabled").toBool()); | |
571 | ||
572 | if (settings.contains("color")) { | |
573 | QVariant value = settings.value("color"); | |
574 | ||
575 | // Workaround for Qt QColor serialization bug on OSX | |
576 | if ((QMetaType::Type)(value.type()) == QMetaType::QColor) | |
577 | set_color(value.value<QColor>()); | |
578 | else | |
579 | set_color(QColor::fromRgba(value.value<uint32_t>())); | |
580 | ||
581 | // A color with an alpha value of 0 makes the signal marker invisible | |
582 | if (color() == QColor(0, 0, 0, 0)) | |
583 | set_color(Qt::gray); | |
584 | } | |
585 | ||
586 | if (settings.contains("conversion_type")) | |
587 | set_conversion_type((ConversionType)settings.value("conversion_type").toInt()); | |
588 | ||
589 | int conv_options = 0; | |
590 | if (settings.contains("conv_options")) | |
591 | conv_options = settings.value("conv_options").toInt(); | |
592 | ||
593 | if (conv_options) | |
594 | for (int i = 0; i < conv_options; i++) { | |
595 | const QString key_id = QString("conv_option%1_key").arg(i); | |
596 | const QString value_id = QString("conv_option%1_value").arg(i); | |
597 | ||
598 | if (settings.contains(key_id) && settings.contains(value_id)) | |
599 | conversion_options_[settings.value(key_id).toString()] = | |
600 | settings.value(value_id); | |
601 | } | |
602 | } | |
603 | ||
604 | bool SignalBase::conversion_is_a2l() const | |
605 | { | |
606 | return (((conversion_type_ == A2LConversionByThreshold) || | |
607 | (conversion_type_ == A2LConversionBySchmittTrigger))); | |
608 | } | |
609 | ||
610 | void SignalBase::convert_single_segment_range(shared_ptr<AnalogSegment> asegment, | |
611 | shared_ptr<LogicSegment> lsegment, uint64_t start_sample, uint64_t end_sample) | |
612 | { | |
613 | if (end_sample > start_sample) { | |
614 | tie(min_value_, max_value_) = asegment->get_min_max(); | |
615 | ||
616 | // Create sigrok::Analog instance | |
617 | float *asamples = new float[ConversionBlockSize]; | |
618 | assert(asamples); | |
619 | uint8_t *lsamples = new uint8_t[ConversionBlockSize]; | |
620 | assert(lsamples); | |
621 | ||
622 | vector<shared_ptr<sigrok::Channel> > channels; | |
623 | if (channel_) | |
624 | channels.push_back(channel_); | |
625 | ||
626 | vector<const sigrok::QuantityFlag*> mq_flags; | |
627 | const sigrok::Quantity * const mq = sigrok::Quantity::VOLTAGE; | |
628 | const sigrok::Unit * const unit = sigrok::Unit::VOLT; | |
629 | ||
630 | shared_ptr<sigrok::Packet> packet = | |
631 | Session::sr_context->create_analog_packet(channels, | |
632 | asamples, ConversionBlockSize, mq, unit, mq_flags); | |
633 | ||
634 | shared_ptr<sigrok::Analog> analog = | |
635 | dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
636 | ||
637 | // Convert | |
638 | uint64_t i = start_sample; | |
639 | ||
640 | if (conversion_type_ == A2LConversionByThreshold) { | |
641 | const double threshold = get_conversion_thresholds()[0]; | |
642 | ||
643 | // Convert as many sample blocks as we can | |
644 | while ((end_sample - i) > ConversionBlockSize) { | |
645 | asegment->get_samples(i, i + ConversionBlockSize, asamples); | |
646 | ||
647 | shared_ptr<sigrok::Logic> logic = | |
648 | analog->get_logic_via_threshold(threshold, lsamples); | |
649 | ||
650 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
651 | samples_added(lsegment->segment_id(), i, i + ConversionBlockSize); | |
652 | i += ConversionBlockSize; | |
653 | } | |
654 | ||
655 | // Re-create sigrok::Analog and convert remaining samples | |
656 | packet = Session::sr_context->create_analog_packet(channels, | |
657 | asamples, end_sample - i, mq, unit, mq_flags); | |
658 | ||
659 | analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
660 | ||
661 | asegment->get_samples(i, end_sample, asamples); | |
662 | shared_ptr<sigrok::Logic> logic = | |
663 | analog->get_logic_via_threshold(threshold, lsamples); | |
664 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
665 | samples_added(lsegment->segment_id(), i, end_sample); | |
666 | } | |
667 | ||
668 | if (conversion_type_ == A2LConversionBySchmittTrigger) { | |
669 | const vector<double> thresholds = get_conversion_thresholds(); | |
670 | const double lo_thr = thresholds[0]; | |
671 | const double hi_thr = thresholds[1]; | |
672 | ||
673 | uint8_t state = 0; // TODO Use value of logic sample n-1 instead of 0 | |
674 | ||
675 | // Convert as many sample blocks as we can | |
676 | while ((end_sample - i) > ConversionBlockSize) { | |
677 | asegment->get_samples(i, i + ConversionBlockSize, asamples); | |
678 | ||
679 | shared_ptr<sigrok::Logic> logic = | |
680 | analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr, | |
681 | &state, lsamples); | |
682 | ||
683 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
684 | samples_added(lsegment->segment_id(), i, i + ConversionBlockSize); | |
685 | ||
686 | i += ConversionBlockSize; | |
687 | } | |
688 | ||
689 | // Re-create sigrok::Analog and convert remaining samples | |
690 | packet = Session::sr_context->create_analog_packet(channels, | |
691 | asamples, end_sample - i, mq, unit, mq_flags); | |
692 | ||
693 | analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
694 | ||
695 | asegment->get_samples(i, end_sample, asamples); | |
696 | shared_ptr<sigrok::Logic> logic = | |
697 | analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr, | |
698 | &state, lsamples); | |
699 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
700 | samples_added(lsegment->segment_id(), i, end_sample); | |
701 | } | |
702 | ||
703 | // If acquisition is ongoing, start-/endsample may have changed | |
704 | end_sample = asegment->get_sample_count(); | |
705 | ||
706 | delete[] lsamples; | |
707 | delete[] asamples; | |
708 | } | |
709 | } | |
710 | ||
711 | void SignalBase::convert_single_segment(shared_ptr<AnalogSegment> asegment, | |
712 | shared_ptr<LogicSegment> lsegment) | |
713 | { | |
714 | uint64_t start_sample, end_sample, old_end_sample; | |
715 | start_sample = end_sample = 0; | |
716 | bool complete_state, old_complete_state; | |
717 | ||
718 | start_sample = lsegment->get_sample_count(); | |
719 | end_sample = asegment->get_sample_count(); | |
720 | complete_state = asegment->is_complete(); | |
721 | ||
722 | // Don't do anything if the segment is still being filled and the sample count is too small | |
723 | if ((!complete_state) && (end_sample - start_sample < ConversionBlockSize)) | |
724 | return; | |
725 | ||
726 | do { | |
727 | convert_single_segment_range(asegment, lsegment, start_sample, end_sample); | |
728 | ||
729 | old_end_sample = end_sample; | |
730 | old_complete_state = complete_state; | |
731 | ||
732 | start_sample = lsegment->get_sample_count(); | |
733 | end_sample = asegment->get_sample_count(); | |
734 | complete_state = asegment->is_complete(); | |
735 | ||
736 | // If the segment has been incomplete when we were called and has been | |
737 | // completed in the meanwhile, we convert the remaining samples as well. | |
738 | // Also, if a sufficient number of samples was added in the meanwhile, | |
739 | // we do another round of sample conversion. | |
740 | } while ((complete_state != old_complete_state) || | |
741 | (end_sample - old_end_sample >= ConversionBlockSize)); | |
742 | } | |
743 | ||
744 | void SignalBase::conversion_thread_proc() | |
745 | { | |
746 | shared_ptr<Analog> analog_data; | |
747 | ||
748 | if (conversion_is_a2l()) { | |
749 | analog_data = dynamic_pointer_cast<Analog>(data_); | |
750 | ||
751 | if (analog_data->analog_segments().size() == 0) { | |
752 | unique_lock<mutex> input_lock(conversion_input_mutex_); | |
753 | conversion_input_cond_.wait(input_lock); | |
754 | } | |
755 | ||
756 | } else | |
757 | // Currently, we only handle A2L conversions | |
758 | return; | |
759 | ||
760 | // If we had to wait for input data, we may have been notified to terminate | |
761 | if (conversion_interrupt_) | |
762 | return; | |
763 | ||
764 | uint32_t segment_id = 0; | |
765 | ||
766 | shared_ptr<AnalogSegment> asegment = analog_data->analog_segments().front(); | |
767 | assert(asegment); | |
768 | ||
769 | const shared_ptr<Logic> logic_data = dynamic_pointer_cast<Logic>(converted_data_); | |
770 | assert(logic_data); | |
771 | ||
772 | // Create the initial logic data segment if needed | |
773 | if (logic_data->logic_segments().size() == 0) { | |
774 | shared_ptr<LogicSegment> new_segment = | |
775 | make_shared<LogicSegment>(*logic_data.get(), 0, 1, asegment->samplerate()); | |
776 | logic_data->push_segment(new_segment); | |
777 | } | |
778 | ||
779 | shared_ptr<LogicSegment> lsegment = logic_data->logic_segments().front(); | |
780 | assert(lsegment); | |
781 | ||
782 | do { | |
783 | convert_single_segment(asegment, lsegment); | |
784 | ||
785 | // Only advance to next segment if the current input segment is complete | |
786 | if (asegment->is_complete() && | |
787 | analog_data->analog_segments().size() > logic_data->logic_segments().size()) { | |
788 | ||
789 | // There are more segments to process | |
790 | segment_id++; | |
791 | ||
792 | try { | |
793 | asegment = analog_data->analog_segments().at(segment_id); | |
794 | } catch (out_of_range&) { | |
795 | qDebug() << "Conversion error for" << name() << ": no analog segment" \ | |
796 | << segment_id << ", segments size is" << analog_data->analog_segments().size(); | |
797 | return; | |
798 | } | |
799 | ||
800 | shared_ptr<LogicSegment> new_segment = make_shared<LogicSegment>( | |
801 | *logic_data.get(), segment_id, 1, asegment->samplerate()); | |
802 | logic_data->push_segment(new_segment); | |
803 | ||
804 | lsegment = logic_data->logic_segments().back(); | |
805 | } | |
806 | ||
807 | // No more samples/segments to process, wait for data or interrupt | |
808 | if (!conversion_interrupt_) { | |
809 | unique_lock<mutex> input_lock(conversion_input_mutex_); | |
810 | conversion_input_cond_.wait(input_lock); | |
811 | } | |
812 | } while (!conversion_interrupt_); | |
813 | } | |
814 | ||
815 | void SignalBase::start_conversion(bool delayed_start) | |
816 | { | |
817 | if (delayed_start) { | |
818 | delayed_conversion_starter_.start(); | |
819 | return; | |
820 | } | |
821 | ||
822 | stop_conversion(); | |
823 | ||
824 | if (converted_data_) | |
825 | converted_data_->clear(); | |
826 | ||
827 | samples_cleared(); | |
828 | ||
829 | conversion_interrupt_ = false; | |
830 | conversion_thread_ = std::thread(&SignalBase::conversion_thread_proc, this); | |
831 | } | |
832 | ||
833 | void SignalBase::set_error_message(QString msg) | |
834 | { | |
835 | error_message_ = msg; | |
836 | // TODO Emulate noquote() | |
837 | qDebug().nospace() << name() << ": " << msg; | |
838 | ||
839 | error_message_changed(msg); | |
840 | } | |
841 | ||
842 | void SignalBase::stop_conversion() | |
843 | { | |
844 | // Stop conversion so we can restart it from the beginning | |
845 | conversion_interrupt_ = true; | |
846 | conversion_input_cond_.notify_one(); | |
847 | if (conversion_thread_.joinable()) | |
848 | conversion_thread_.join(); | |
849 | } | |
850 | ||
851 | void SignalBase::on_samples_cleared() | |
852 | { | |
853 | if (converted_data_) | |
854 | converted_data_->clear(); | |
855 | ||
856 | samples_cleared(); | |
857 | } | |
858 | ||
859 | void SignalBase::on_samples_added(SharedPtrToSegment segment, uint64_t start_sample, | |
860 | uint64_t end_sample) | |
861 | { | |
862 | if (conversion_type_ != NoConversion) { | |
863 | if (conversion_thread_.joinable()) { | |
864 | // Notify the conversion thread since it's running | |
865 | conversion_input_cond_.notify_one(); | |
866 | } else { | |
867 | // Start the conversion thread unless the delay timer is running | |
868 | if (!delayed_conversion_starter_.isActive()) | |
869 | start_conversion(); | |
870 | } | |
871 | } | |
872 | ||
873 | samples_added(segment->segment_id(), start_sample, end_sample); | |
874 | } | |
875 | ||
876 | void SignalBase::on_min_max_changed(float min, float max) | |
877 | { | |
878 | // Restart conversion if one is enabled and uses a calculated threshold | |
879 | if ((conversion_type_ != NoConversion) && | |
880 | (get_current_conversion_preset() == DynamicPreset)) | |
881 | start_conversion(true); | |
882 | ||
883 | min_max_changed(min, max); | |
884 | } | |
885 | ||
886 | void SignalBase::on_capture_state_changed(int state) | |
887 | { | |
888 | if (state == Session::Running) { | |
889 | // Restart conversion if one is enabled | |
890 | if (conversion_type_ != NoConversion) | |
891 | start_conversion(); | |
892 | } | |
893 | } | |
894 | ||
895 | void SignalBase::on_delayed_conversion_start() | |
896 | { | |
897 | start_conversion(); | |
898 | } | |
899 | ||
900 | } // namespace data | |
901 | } // namespace pv |