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bf0edd2b SA |
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 | |
efdec55a | 18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
bf0edd2b SA |
19 | */ |
20 | ||
cbd2a2de | 21 | #include "analog.hpp" |
12ea3616 | 22 | #include "analogsegment.hpp" |
aca9aa83 | 23 | #include "decode/row.hpp" |
cbd2a2de | 24 | #include "logic.hpp" |
12ea3616 | 25 | #include "logicsegment.hpp" |
bf0edd2b | 26 | #include "signalbase.hpp" |
cbd2a2de | 27 | #include "signaldata.hpp" |
bb7dd726 SA |
28 | |
29 | #include <pv/binding/decoder.hpp> | |
aca9aa83 | 30 | #include <pv/session.hpp> |
bf0edd2b | 31 | |
cbd2a2de | 32 | using std::dynamic_pointer_cast; |
12ea3616 | 33 | using std::make_shared; |
bf0edd2b | 34 | using std::shared_ptr; |
12ea3616 | 35 | using std::tie; |
27a3f09b | 36 | using std::unique_lock; |
bf0edd2b SA |
37 | |
38 | namespace pv { | |
39 | namespace data { | |
40 | ||
c063290a | 41 | const int SignalBase::ColourBGAlpha = 8 * 256 / 100; |
bcaf0334 | 42 | const uint64_t SignalBase::ConversionBlockSize = 4096; |
932bc246 | 43 | const uint32_t SignalBase::ConversionDelay = 1000; // 1 second |
bf0edd2b | 44 | |
472a80c5 SA |
45 | SignalBase::SignalBase(shared_ptr<sigrok::Channel> channel, ChannelType channel_type) : |
46 | channel_(channel), | |
12ea3616 | 47 | channel_type_(channel_type), |
52c900ac SA |
48 | conversion_type_(NoConversion), |
49 | min_value_(0), | |
50 | max_value_(0) | |
bf0edd2b | 51 | { |
050b5a6c SA |
52 | if (channel_) |
53 | internal_name_ = QString::fromStdString(channel_->name()); | |
932bc246 SA |
54 | |
55 | connect(&delayed_conversion_starter_, SIGNAL(timeout()), | |
56 | this, SLOT(on_delayed_conversion_start())); | |
57 | delayed_conversion_starter_.setSingleShot(true); | |
58 | delayed_conversion_starter_.setInterval(ConversionDelay); | |
bf0edd2b SA |
59 | } |
60 | ||
12ea3616 SA |
61 | SignalBase::~SignalBase() |
62 | { | |
27a3f09b | 63 | stop_conversion(); |
12ea3616 SA |
64 | } |
65 | ||
bf0edd2b SA |
66 | shared_ptr<sigrok::Channel> SignalBase::channel() const |
67 | { | |
68 | return channel_; | |
69 | } | |
70 | ||
71 | QString SignalBase::name() const | |
72 | { | |
73 | return (channel_) ? QString::fromStdString(channel_->name()) : name_; | |
74 | } | |
75 | ||
050b5a6c SA |
76 | QString SignalBase::internal_name() const |
77 | { | |
78 | return internal_name_; | |
79 | } | |
80 | ||
bf0edd2b SA |
81 | void SignalBase::set_name(QString name) |
82 | { | |
83 | if (channel_) | |
84 | channel_->set_name(name.toUtf8().constData()); | |
85 | ||
86 | name_ = name; | |
87 | ||
88 | name_changed(name); | |
89 | } | |
90 | ||
91 | bool SignalBase::enabled() const | |
92 | { | |
93 | return (channel_) ? channel_->enabled() : true; | |
94 | } | |
95 | ||
96 | void SignalBase::set_enabled(bool value) | |
97 | { | |
98 | if (channel_) { | |
99 | channel_->set_enabled(value); | |
100 | enabled_changed(value); | |
101 | } | |
102 | } | |
103 | ||
472a80c5 | 104 | SignalBase::ChannelType SignalBase::type() const |
bf0edd2b | 105 | { |
472a80c5 | 106 | return channel_type_; |
bf0edd2b SA |
107 | } |
108 | ||
109 | unsigned int SignalBase::index() const | |
110 | { | |
27a3f09b SA |
111 | return (channel_) ? channel_->index() : 0; |
112 | } | |
113 | ||
114 | unsigned int SignalBase::logic_bit_index() const | |
115 | { | |
116 | if (channel_type_ == LogicChannel) | |
117 | return channel_->index(); | |
118 | else | |
119 | return 0; | |
bf0edd2b SA |
120 | } |
121 | ||
122 | QColor SignalBase::colour() const | |
123 | { | |
124 | return colour_; | |
125 | } | |
126 | ||
127 | void SignalBase::set_colour(QColor colour) | |
128 | { | |
129 | colour_ = colour; | |
130 | ||
131 | bgcolour_ = colour; | |
132 | bgcolour_.setAlpha(ColourBGAlpha); | |
133 | ||
134 | colour_changed(colour); | |
135 | } | |
136 | ||
137 | QColor SignalBase::bgcolour() const | |
138 | { | |
139 | return bgcolour_; | |
140 | } | |
141 | ||
cbd2a2de SA |
142 | void SignalBase::set_data(shared_ptr<pv::data::SignalData> data) |
143 | { | |
8ce8ebb9 SA |
144 | if (data_) { |
145 | disconnect(data.get(), SIGNAL(samples_cleared()), | |
12ea3616 | 146 | this, SLOT(on_samples_cleared())); |
8ce8ebb9 | 147 | disconnect(data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), |
12ea3616 | 148 | this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t))); |
8e15445c SA |
149 | |
150 | if (channel_type_ == AnalogChannel) { | |
151 | shared_ptr<Analog> analog = analog_data(); | |
152 | assert(analog); | |
153 | ||
154 | disconnect(analog.get(), SIGNAL(min_max_changed(float, float)), | |
155 | this, SLOT(on_min_max_changed(float, float))); | |
156 | } | |
12ea3616 SA |
157 | } |
158 | ||
cbd2a2de | 159 | data_ = data; |
12ea3616 | 160 | |
8ce8ebb9 SA |
161 | if (data_) { |
162 | connect(data.get(), SIGNAL(samples_cleared()), | |
12ea3616 | 163 | this, SLOT(on_samples_cleared())); |
8ce8ebb9 | 164 | connect(data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)), |
12ea3616 | 165 | this, SLOT(on_samples_added(QObject*, uint64_t, uint64_t))); |
8e15445c SA |
166 | |
167 | if (channel_type_ == AnalogChannel) { | |
168 | shared_ptr<Analog> analog = analog_data(); | |
169 | assert(analog); | |
170 | ||
171 | connect(analog.get(), SIGNAL(min_max_changed(float, float)), | |
172 | this, SLOT(on_min_max_changed(float, float))); | |
173 | } | |
12ea3616 | 174 | } |
cbd2a2de SA |
175 | } |
176 | ||
177 | shared_ptr<data::Analog> SignalBase::analog_data() const | |
178 | { | |
12ea3616 SA |
179 | shared_ptr<Analog> result = nullptr; |
180 | ||
472a80c5 | 181 | if (channel_type_ == AnalogChannel) |
12ea3616 SA |
182 | result = dynamic_pointer_cast<Analog>(data_); |
183 | ||
184 | return result; | |
cbd2a2de SA |
185 | } |
186 | ||
187 | shared_ptr<data::Logic> SignalBase::logic_data() const | |
188 | { | |
12ea3616 SA |
189 | shared_ptr<Logic> result = nullptr; |
190 | ||
472a80c5 | 191 | if (channel_type_ == LogicChannel) |
12ea3616 SA |
192 | result = dynamic_pointer_cast<Logic>(data_); |
193 | ||
b9cdbe03 | 194 | if (((conversion_type_ == A2LConversionByThreshold) || |
12ea3616 SA |
195 | (conversion_type_ == A2LConversionBySchmittTrigger))) |
196 | result = dynamic_pointer_cast<Logic>(converted_data_); | |
197 | ||
198 | return result; | |
199 | } | |
200 | ||
06b6ce26 SA |
201 | SignalBase::ConversionType SignalBase::get_conversion_type() const |
202 | { | |
203 | return conversion_type_; | |
204 | } | |
205 | ||
12ea3616 SA |
206 | void SignalBase::set_conversion_type(ConversionType t) |
207 | { | |
208 | if (conversion_type_ != NoConversion) { | |
27a3f09b | 209 | stop_conversion(); |
12ea3616 SA |
210 | |
211 | // Discard converted data | |
212 | converted_data_.reset(); | |
1b56c646 | 213 | samples_cleared(); |
12ea3616 SA |
214 | } |
215 | ||
216 | conversion_type_ = t; | |
217 | ||
ccccb914 SA |
218 | // Re-create an empty container |
219 | // so that the signal is recognized as providing logic data | |
220 | // and thus can be assigned to a decoder | |
221 | if (conversion_is_a2l()) | |
222 | if (!converted_data_) | |
223 | converted_data_ = make_shared<Logic>(1); // Contains only one channel | |
224 | ||
27a3f09b | 225 | start_conversion(); |
12ea3616 SA |
226 | |
227 | conversion_type_changed(t); | |
cbd2a2de SA |
228 | } |
229 | ||
52c900ac SA |
230 | map<QString, QVariant> SignalBase::get_conversion_options() const |
231 | { | |
232 | return conversion_options_; | |
233 | } | |
234 | ||
235 | bool SignalBase::set_conversion_option(QString key, QVariant value) | |
236 | { | |
237 | QVariant old_value; | |
238 | ||
239 | auto key_iter = conversion_options_.find(key); | |
240 | if (key_iter != conversion_options_.end()) | |
241 | old_value = key_iter->second; | |
242 | ||
243 | conversion_options_[key] = value; | |
244 | ||
245 | return (value != old_value); | |
246 | } | |
247 | ||
248 | vector<double> SignalBase::get_conversion_thresholds(const ConversionType t, | |
249 | const bool always_custom) const | |
250 | { | |
251 | vector<double> result; | |
252 | ConversionType conv_type = t; | |
f0f9c856 | 253 | ConversionPreset preset; |
52c900ac SA |
254 | |
255 | // Use currently active conversion if no conversion type was supplied | |
256 | if (conv_type == NoConversion) | |
257 | conv_type = conversion_type_; | |
258 | ||
259 | if (always_custom) | |
f0f9c856 | 260 | preset = NoPreset; |
52c900ac SA |
261 | else |
262 | preset = get_current_conversion_preset(); | |
263 | ||
b9cdbe03 | 264 | if (conv_type == A2LConversionByThreshold) { |
52c900ac SA |
265 | double thr = 0; |
266 | ||
f0f9c856 | 267 | if (preset == NoPreset) { |
52c900ac SA |
268 | auto thr_iter = conversion_options_.find("threshold_value"); |
269 | if (thr_iter != conversion_options_.end()) | |
270 | thr = (thr_iter->second).toDouble(); | |
271 | } | |
272 | ||
f0f9c856 | 273 | if (preset == DynamicPreset) |
52c900ac SA |
274 | thr = (min_value_ + max_value_) * 0.5; // middle between min and max |
275 | ||
f0f9c856 SA |
276 | if ((int)preset == 1) thr = 0.9; |
277 | if ((int)preset == 2) thr = 1.8; | |
278 | if ((int)preset == 3) thr = 2.5; | |
279 | if ((int)preset == 4) thr = 1.5; | |
52c900ac SA |
280 | |
281 | result.push_back(thr); | |
282 | } | |
283 | ||
284 | if (conv_type == A2LConversionBySchmittTrigger) { | |
285 | double thr_lo = 0, thr_hi = 0; | |
286 | ||
f0f9c856 | 287 | if (preset == NoPreset) { |
52c900ac SA |
288 | auto thr_lo_iter = conversion_options_.find("threshold_value_low"); |
289 | if (thr_lo_iter != conversion_options_.end()) | |
290 | thr_lo = (thr_lo_iter->second).toDouble(); | |
291 | ||
292 | auto thr_hi_iter = conversion_options_.find("threshold_value_high"); | |
293 | if (thr_hi_iter != conversion_options_.end()) | |
294 | thr_hi = (thr_hi_iter->second).toDouble(); | |
295 | } | |
296 | ||
f0f9c856 | 297 | if (preset == DynamicPreset) { |
52c900ac SA |
298 | const double amplitude = max_value_ - min_value_; |
299 | const double center = min_value_ + (amplitude / 2); | |
300 | thr_lo = center - (amplitude * 0.15); // 15% margin | |
301 | thr_hi = center + (amplitude * 0.15); // 15% margin | |
302 | } | |
303 | ||
f0f9c856 SA |
304 | if ((int)preset == 1) { thr_lo = 0.3; thr_hi = 1.2; } |
305 | if ((int)preset == 2) { thr_lo = 0.7; thr_hi = 2.5; } | |
306 | if ((int)preset == 3) { thr_lo = 1.3; thr_hi = 3.7; } | |
307 | if ((int)preset == 4) { thr_lo = 0.8; thr_hi = 2.0; } | |
52c900ac SA |
308 | |
309 | result.push_back(thr_lo); | |
310 | result.push_back(thr_hi); | |
311 | } | |
312 | ||
313 | return result; | |
314 | } | |
315 | ||
316 | vector< pair<QString, int> > SignalBase::get_conversion_presets() const | |
317 | { | |
318 | vector< pair<QString, int> > presets; | |
319 | ||
b9cdbe03 | 320 | if (conversion_type_ == A2LConversionByThreshold) { |
52c900ac SA |
321 | // Source: http://www.interfacebus.com/voltage_threshold.html |
322 | presets.emplace_back(tr("Signal average"), 0); | |
323 | presets.emplace_back(tr("0.9V (for 1.8V CMOS)"), 1); | |
324 | presets.emplace_back(tr("1.8V (for 3.3V CMOS)"), 2); | |
325 | presets.emplace_back(tr("2.5V (for 5.0V CMOS)"), 3); | |
326 | presets.emplace_back(tr("1.5V (for TTL)"), 4); | |
327 | } | |
328 | ||
329 | if (conversion_type_ == A2LConversionBySchmittTrigger) { | |
330 | // Source: http://www.interfacebus.com/voltage_threshold.html | |
331 | presets.emplace_back(tr("Signal average +/- 15%"), 0); | |
332 | presets.emplace_back(tr("0.3V/1.2V (for 1.8V CMOS)"), 1); | |
333 | presets.emplace_back(tr("0.7V/2.5V (for 3.3V CMOS)"), 2); | |
334 | presets.emplace_back(tr("1.3V/3.7V (for 5.0V CMOS)"), 3); | |
335 | presets.emplace_back(tr("0.8V/2.0V (for TTL)"), 4); | |
336 | } | |
337 | ||
338 | return presets; | |
339 | } | |
340 | ||
f0f9c856 | 341 | SignalBase::ConversionPreset SignalBase::get_current_conversion_preset() const |
52c900ac SA |
342 | { |
343 | auto preset = conversion_options_.find("preset"); | |
344 | if (preset != conversion_options_.end()) | |
f0f9c856 | 345 | return (ConversionPreset)((preset->second).toInt()); |
52c900ac | 346 | |
753c8f08 | 347 | return DynamicPreset; |
52c900ac SA |
348 | } |
349 | ||
f0f9c856 | 350 | void SignalBase::set_conversion_preset(ConversionPreset id) |
52c900ac | 351 | { |
f0f9c856 | 352 | conversion_options_["preset"] = (int)id; |
52c900ac SA |
353 | } |
354 | ||
bb7dd726 SA |
355 | #ifdef ENABLE_DECODE |
356 | bool SignalBase::is_decode_signal() const | |
357 | { | |
47747218 | 358 | return (channel_type_ == DecodeChannel); |
bb7dd726 SA |
359 | } |
360 | #endif | |
cbd2a2de | 361 | |
6de38b17 SA |
362 | void SignalBase::save_settings(QSettings &settings) const |
363 | { | |
364 | settings.setValue("name", name()); | |
365 | settings.setValue("enabled", enabled()); | |
366 | settings.setValue("colour", colour()); | |
12ea3616 | 367 | settings.setValue("conversion_type", (int)conversion_type_); |
52c900ac SA |
368 | |
369 | settings.setValue("conv_options", (int)(conversion_options_.size())); | |
370 | int i = 0; | |
371 | for (auto kvp : conversion_options_) { | |
372 | settings.setValue(QString("conv_option%1_key").arg(i), kvp.first); | |
373 | settings.setValue(QString("conv_option%1_value").arg(i), kvp.second); | |
374 | i++; | |
375 | } | |
6de38b17 SA |
376 | } |
377 | ||
378 | void SignalBase::restore_settings(QSettings &settings) | |
379 | { | |
380 | set_name(settings.value("name").toString()); | |
381 | set_enabled(settings.value("enabled").toBool()); | |
382 | set_colour(settings.value("colour").value<QColor>()); | |
12ea3616 | 383 | set_conversion_type((ConversionType)settings.value("conversion_type").toInt()); |
52c900ac SA |
384 | |
385 | int conv_options = settings.value("conv_options").toInt(); | |
386 | ||
387 | if (conv_options) | |
388 | for (int i = 0; i < conv_options; i++) { | |
389 | QString key = settings.value(QString("conv_option%1_key").arg(i)).toString(); | |
390 | QVariant value = settings.value(QString("conv_option%1_value").arg(i)); | |
391 | conversion_options_[key] = value; | |
392 | } | |
12ea3616 SA |
393 | } |
394 | ||
ccccb914 SA |
395 | bool SignalBase::conversion_is_a2l() const |
396 | { | |
397 | return ((channel_type_ == AnalogChannel) && | |
b9cdbe03 | 398 | ((conversion_type_ == A2LConversionByThreshold) || |
ccccb914 SA |
399 | (conversion_type_ == A2LConversionBySchmittTrigger))); |
400 | } | |
401 | ||
27a3f09b | 402 | void SignalBase::conversion_thread_proc(QObject* segment) |
12ea3616 | 403 | { |
12ea3616 SA |
404 | // TODO Support for multiple segments is missing |
405 | ||
27a3f09b SA |
406 | uint64_t start_sample, end_sample; |
407 | start_sample = end_sample = 0; | |
12ea3616 | 408 | |
27a3f09b | 409 | do { |
ccccb914 | 410 | if (conversion_is_a2l()) { |
27a3f09b SA |
411 | |
412 | AnalogSegment *asegment = qobject_cast<AnalogSegment*>(segment); | |
413 | ||
ccccb914 | 414 | const shared_ptr<Logic> logic_data = dynamic_pointer_cast<Logic>(converted_data_); |
27a3f09b SA |
415 | |
416 | // Create the initial logic data segment if needed | |
417 | if (logic_data->segments().size() == 0) { | |
418 | shared_ptr<LogicSegment> lsegment = | |
419 | make_shared<LogicSegment>(*logic_data.get(), 1, asegment->samplerate()); | |
420 | logic_data->push_segment(lsegment); | |
421 | } | |
12ea3616 | 422 | |
27a3f09b | 423 | LogicSegment *lsegment = dynamic_cast<LogicSegment*>(logic_data->segments().front().get()); |
12ea3616 | 424 | |
12ea3616 SA |
425 | start_sample = lsegment->get_sample_count(); |
426 | end_sample = asegment->get_sample_count(); | |
12ea3616 | 427 | |
27a3f09b | 428 | if (end_sample > start_sample) { |
52c900ac | 429 | tie(min_value_, max_value_) = asegment->get_min_max(); |
27a3f09b | 430 | |
419ec4e1 SA |
431 | // Create sigrok::Analog instance |
432 | float *asamples = new float[ConversionBlockSize]; | |
433 | uint8_t *lsamples = new uint8_t[ConversionBlockSize]; | |
434 | ||
435 | vector<shared_ptr<sigrok::Channel> > channels; | |
436 | channels.push_back(channel_); | |
437 | ||
438 | vector<const sigrok::QuantityFlag*> mq_flags; | |
439 | const sigrok::Quantity * const mq = sigrok::Quantity::VOLTAGE; | |
440 | const sigrok::Unit * const unit = sigrok::Unit::VOLT; | |
441 | ||
442 | shared_ptr<sigrok::Packet> packet = | |
443 | Session::sr_context->create_analog_packet(channels, | |
444 | asamples, ConversionBlockSize, mq, unit, mq_flags); | |
445 | ||
446 | shared_ptr<sigrok::Analog> analog = | |
447 | dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
27a3f09b | 448 | |
419ec4e1 | 449 | // Convert |
27a3f09b SA |
450 | uint64_t i = start_sample; |
451 | ||
b9cdbe03 | 452 | if (conversion_type_ == A2LConversionByThreshold) { |
52c900ac | 453 | const double threshold = get_conversion_thresholds()[0]; |
27a3f09b SA |
454 | |
455 | // Convert as many sample blocks as we can | |
456 | while ((end_sample - i) > ConversionBlockSize) { | |
b82243f7 | 457 | asegment->get_samples(i, i + ConversionBlockSize, asamples); |
419ec4e1 SA |
458 | |
459 | shared_ptr<sigrok::Logic> logic = | |
460 | analog->get_logic_via_threshold(threshold, lsamples); | |
461 | ||
462 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
463 | ||
27a3f09b SA |
464 | samples_added(lsegment, i, i + ConversionBlockSize); |
465 | i += ConversionBlockSize; | |
27a3f09b SA |
466 | } |
467 | ||
419ec4e1 SA |
468 | // Re-create sigrok::Analog and convert remaining samples |
469 | packet = Session::sr_context->create_analog_packet(channels, | |
470 | asamples, end_sample - i, mq, unit, mq_flags); | |
471 | ||
472 | analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
473 | ||
b82243f7 | 474 | asegment->get_samples(i, end_sample, asamples); |
419ec4e1 SA |
475 | shared_ptr<sigrok::Logic> logic = |
476 | analog->get_logic_via_threshold(threshold, lsamples); | |
477 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
27a3f09b | 478 | samples_added(lsegment, i, end_sample); |
27a3f09b SA |
479 | } |
480 | ||
481 | if (conversion_type_ == A2LConversionBySchmittTrigger) { | |
52c900ac SA |
482 | const vector<double> thresholds = get_conversion_thresholds(); |
483 | const double lo_thr = thresholds[0]; | |
484 | const double hi_thr = thresholds[1]; | |
485 | ||
27a3f09b SA |
486 | uint8_t state = 0; // TODO Use value of logic sample n-1 instead of 0 |
487 | ||
488 | // Convert as many sample blocks as we can | |
489 | while ((end_sample - i) > ConversionBlockSize) { | |
b82243f7 | 490 | asegment->get_samples(i, i + ConversionBlockSize, asamples); |
419ec4e1 SA |
491 | |
492 | shared_ptr<sigrok::Logic> logic = | |
493 | analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr, | |
494 | &state, lsamples); | |
495 | ||
496 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
497 | ||
27a3f09b SA |
498 | samples_added(lsegment, i, i + ConversionBlockSize); |
499 | i += ConversionBlockSize; | |
27a3f09b SA |
500 | } |
501 | ||
419ec4e1 SA |
502 | // Re-create sigrok::Analog and convert remaining samples |
503 | packet = Session::sr_context->create_analog_packet(channels, | |
504 | asamples, end_sample - i, mq, unit, mq_flags); | |
505 | ||
506 | analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload()); | |
507 | ||
b82243f7 | 508 | asegment->get_samples(i, end_sample, asamples); |
419ec4e1 SA |
509 | shared_ptr<sigrok::Logic> logic = |
510 | analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr, | |
511 | &state, lsamples); | |
512 | lsegment->append_payload(logic->data_pointer(), logic->data_length()); | |
27a3f09b | 513 | samples_added(lsegment, i, end_sample); |
27a3f09b SA |
514 | } |
515 | ||
516 | // If acquisition is ongoing, start-/endsample may have changed | |
517 | end_sample = asegment->get_sample_count(); | |
b82243f7 | 518 | |
419ec4e1 | 519 | delete[] lsamples; |
b82243f7 | 520 | delete[] asamples; |
12ea3616 | 521 | } |
27a3f09b | 522 | } |
12ea3616 | 523 | |
27a3f09b SA |
524 | if (!conversion_interrupt_ && (start_sample == end_sample)) { |
525 | unique_lock<mutex> input_lock(conversion_input_mutex_); | |
526 | conversion_input_cond_.wait(input_lock); | |
12ea3616 | 527 | } |
27a3f09b SA |
528 | } while (!conversion_interrupt_); |
529 | } | |
12ea3616 | 530 | |
932bc246 | 531 | void SignalBase::start_conversion(bool delayed_start) |
27a3f09b | 532 | { |
932bc246 SA |
533 | if (delayed_start) { |
534 | delayed_conversion_starter_.start(); | |
535 | return; | |
536 | } | |
537 | ||
27a3f09b SA |
538 | stop_conversion(); |
539 | ||
52c900ac SA |
540 | if (converted_data_) |
541 | converted_data_->clear(); | |
542 | ||
ccccb914 | 543 | if (conversion_is_a2l()) { |
27a3f09b | 544 | shared_ptr<Analog> analog_data = dynamic_pointer_cast<Analog>(data_); |
12ea3616 | 545 | |
27a3f09b SA |
546 | if (analog_data->analog_segments().size() > 0) { |
547 | // TODO Support for multiple segments is missing | |
548 | AnalogSegment *asegment = analog_data->analog_segments().front().get(); | |
eae3bbbb | 549 | |
27a3f09b SA |
550 | conversion_interrupt_ = false; |
551 | conversion_thread_ = std::thread( | |
552 | &SignalBase::conversion_thread_proc, this, asegment); | |
12ea3616 SA |
553 | } |
554 | } | |
555 | } | |
556 | ||
27a3f09b SA |
557 | void SignalBase::stop_conversion() |
558 | { | |
559 | // Stop conversion so we can restart it from the beginning | |
560 | conversion_interrupt_ = true; | |
561 | conversion_input_cond_.notify_one(); | |
562 | if (conversion_thread_.joinable()) | |
563 | conversion_thread_.join(); | |
564 | } | |
565 | ||
12ea3616 SA |
566 | void SignalBase::on_samples_cleared() |
567 | { | |
568 | if (converted_data_) | |
569 | converted_data_->clear(); | |
eae3bbbb SA |
570 | |
571 | samples_cleared(); | |
12ea3616 SA |
572 | } |
573 | ||
574 | void SignalBase::on_samples_added(QObject* segment, uint64_t start_sample, | |
575 | uint64_t end_sample) | |
576 | { | |
12ea3616 | 577 | if (conversion_type_ != NoConversion) { |
27a3f09b SA |
578 | if (conversion_thread_.joinable()) { |
579 | // Notify the conversion thread since it's running | |
580 | conversion_input_cond_.notify_one(); | |
581 | } else { | |
932bc246 SA |
582 | // Start the conversion thread unless the delay timer is running |
583 | if (!delayed_conversion_starter_.isActive()) | |
584 | start_conversion(); | |
27a3f09b | 585 | } |
12ea3616 | 586 | } |
eae3bbbb SA |
587 | |
588 | samples_added(segment, start_sample, end_sample); | |
12ea3616 SA |
589 | } |
590 | ||
8e15445c SA |
591 | void SignalBase::on_min_max_changed(float min, float max) |
592 | { | |
f0f9c856 | 593 | // Restart conversion if one is enabled and uses a calculated threshold |
8e15445c | 594 | if ((conversion_type_ != NoConversion) && |
f0f9c856 | 595 | (get_current_conversion_preset() == DynamicPreset)) |
932bc246 | 596 | start_conversion(true); |
c6d9cf65 SA |
597 | |
598 | min_max_changed(min, max); | |
8e15445c SA |
599 | } |
600 | ||
12ea3616 SA |
601 | void SignalBase::on_capture_state_changed(int state) |
602 | { | |
27a3f09b | 603 | if (state == Session::Running) { |
8e15445c SA |
604 | // Restart conversion if one is enabled |
605 | if (conversion_type_ != NoConversion) | |
27a3f09b | 606 | start_conversion(); |
12ea3616 | 607 | } |
6de38b17 SA |
608 | } |
609 | ||
932bc246 SA |
610 | void SignalBase::on_delayed_conversion_start() |
611 | { | |
612 | start_conversion(); | |
613 | } | |
614 | ||
bf0edd2b SA |
615 | } // namespace data |
616 | } // namespace pv |