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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 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 | #ifdef _WIN32 | |
22 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). | |
23 | #define NOGDI | |
24 | #define NORESOURCE | |
25 | #endif | |
26 | #include <boost/thread/locks.hpp> | |
27 | #include <boost/thread/shared_mutex.hpp> | |
28 | ||
29 | #ifdef ENABLE_DECODE | |
30 | #include <libsigrokdecode/libsigrokdecode.h> | |
31 | #endif | |
32 | ||
33 | #include "session.hpp" | |
34 | ||
35 | #include "devicemanager.hpp" | |
36 | ||
37 | #include "data/analog.hpp" | |
38 | #include "data/analogsegment.hpp" | |
39 | #include "data/decoderstack.hpp" | |
40 | #include "data/logic.hpp" | |
41 | #include "data/logicsegment.hpp" | |
42 | #include "data/decode/decoder.hpp" | |
43 | ||
44 | #include "devices/hardwaredevice.hpp" | |
45 | #include "devices/sessionfile.hpp" | |
46 | ||
47 | #include "view/analogsignal.hpp" | |
48 | #include "view/decodetrace.hpp" | |
49 | #include "view/logicsignal.hpp" | |
50 | ||
51 | #include <cassert> | |
52 | #include <mutex> | |
53 | #include <stdexcept> | |
54 | ||
55 | #include <sys/stat.h> | |
56 | ||
57 | #include <QDebug> | |
58 | ||
59 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
60 | ||
61 | using boost::shared_lock; | |
62 | using boost::shared_mutex; | |
63 | using boost::unique_lock; | |
64 | ||
65 | using std::dynamic_pointer_cast; | |
66 | using std::function; | |
67 | using std::lock_guard; | |
68 | using std::list; | |
69 | using std::map; | |
70 | using std::mutex; | |
71 | using std::recursive_mutex; | |
72 | using std::set; | |
73 | using std::shared_ptr; | |
74 | using std::string; | |
75 | using std::unordered_set; | |
76 | using std::vector; | |
77 | ||
78 | using sigrok::Analog; | |
79 | using sigrok::Channel; | |
80 | using sigrok::ChannelType; | |
81 | using sigrok::ConfigKey; | |
82 | using sigrok::DatafeedCallbackFunction; | |
83 | using sigrok::Error; | |
84 | using sigrok::Header; | |
85 | using sigrok::Logic; | |
86 | using sigrok::Meta; | |
87 | using sigrok::Packet; | |
88 | using sigrok::PacketPayload; | |
89 | using sigrok::Session; | |
90 | using sigrok::SessionDevice; | |
91 | ||
92 | using Glib::VariantBase; | |
93 | using Glib::Variant; | |
94 | ||
95 | namespace pv { | |
96 | Session::Session(DeviceManager &device_manager) : | |
97 | device_manager_(device_manager), | |
98 | capture_state_(Stopped), | |
99 | cur_samplerate_(0) | |
100 | { | |
101 | } | |
102 | ||
103 | Session::~Session() | |
104 | { | |
105 | // Stop and join to the thread | |
106 | stop_capture(); | |
107 | } | |
108 | ||
109 | DeviceManager& Session::device_manager() | |
110 | { | |
111 | return device_manager_; | |
112 | } | |
113 | ||
114 | const DeviceManager& Session::device_manager() const | |
115 | { | |
116 | return device_manager_; | |
117 | } | |
118 | ||
119 | shared_ptr<sigrok::Session> Session::session() const | |
120 | { | |
121 | if (!device_) | |
122 | return shared_ptr<sigrok::Session>(); | |
123 | return device_->session(); | |
124 | } | |
125 | ||
126 | shared_ptr<devices::Device> Session::device() const | |
127 | { | |
128 | return device_; | |
129 | } | |
130 | ||
131 | void Session::set_device(shared_ptr<devices::Device> device) | |
132 | { | |
133 | assert(device); | |
134 | ||
135 | // Ensure we are not capturing before setting the device | |
136 | stop_capture(); | |
137 | ||
138 | if (device_) | |
139 | device_->close(); | |
140 | ||
141 | device_ = std::move(device); | |
142 | device_->open(); | |
143 | device_->session()->add_datafeed_callback([=] | |
144 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
145 | data_feed_in(device, packet); | |
146 | }); | |
147 | ||
148 | decode_traces_.clear(); | |
149 | ||
150 | update_signals(); | |
151 | device_selected(); | |
152 | } | |
153 | ||
154 | void Session::set_default_device() | |
155 | { | |
156 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
157 | device_manager_.devices(); | |
158 | ||
159 | if (devices.empty()) | |
160 | return; | |
161 | ||
162 | // Try and find the demo device and select that by default | |
163 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
164 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
165 | return d->hardware_device()->driver()->name() == | |
166 | "demo"; }); | |
167 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
168 | } | |
169 | ||
170 | Session::capture_state Session::get_capture_state() const | |
171 | { | |
172 | lock_guard<mutex> lock(sampling_mutex_); | |
173 | return capture_state_; | |
174 | } | |
175 | ||
176 | void Session::start_capture(function<void (const QString)> error_handler) | |
177 | { | |
178 | stop_capture(); | |
179 | ||
180 | // Check that at least one channel is enabled | |
181 | assert(device_); | |
182 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
183 | if (sr_dev) { | |
184 | const auto channels = sr_dev->channels(); | |
185 | if (!std::any_of(channels.begin(), channels.end(), | |
186 | [](shared_ptr<Channel> channel) { | |
187 | return channel->enabled(); })) { | |
188 | error_handler(tr("No channels enabled.")); | |
189 | return; | |
190 | } | |
191 | } | |
192 | ||
193 | // Clear signal data | |
194 | for (const shared_ptr<data::SignalData> d : get_data()) | |
195 | d->clear(); | |
196 | ||
197 | // Begin the session | |
198 | sampling_thread_ = std::thread( | |
199 | &Session::sample_thread_proc, this, device_, | |
200 | error_handler); | |
201 | } | |
202 | ||
203 | void Session::stop_capture() | |
204 | { | |
205 | if (get_capture_state() != Stopped) | |
206 | device_->stop(); | |
207 | ||
208 | // Check that sampling stopped | |
209 | if (sampling_thread_.joinable()) | |
210 | sampling_thread_.join(); | |
211 | } | |
212 | ||
213 | set< shared_ptr<data::SignalData> > Session::get_data() const | |
214 | { | |
215 | shared_lock<shared_mutex> lock(signals_mutex_); | |
216 | set< shared_ptr<data::SignalData> > data; | |
217 | for (const shared_ptr<view::Signal> sig : signals_) { | |
218 | assert(sig); | |
219 | data.insert(sig->data()); | |
220 | } | |
221 | ||
222 | return data; | |
223 | } | |
224 | ||
225 | double Session::get_samplerate() const | |
226 | { | |
227 | double samplerate = 0.0; | |
228 | ||
229 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
230 | assert(d); | |
231 | const vector< shared_ptr<pv::data::Segment> > segments = | |
232 | d->segments(); | |
233 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
234 | samplerate = std::max(samplerate, s->samplerate()); | |
235 | } | |
236 | ||
237 | // If there is no sample rate given we use samples as unit | |
238 | if (samplerate == 0.0) | |
239 | samplerate = 1.0; | |
240 | ||
241 | return samplerate; | |
242 | } | |
243 | ||
244 | const unordered_set< shared_ptr<view::Signal> > Session::signals() const | |
245 | { | |
246 | shared_lock<shared_mutex> lock(signals_mutex_); | |
247 | return signals_; | |
248 | } | |
249 | ||
250 | #ifdef ENABLE_DECODE | |
251 | bool Session::add_decoder(srd_decoder *const dec) | |
252 | { | |
253 | map<const srd_channel*, shared_ptr<view::LogicSignal> > channels; | |
254 | shared_ptr<data::DecoderStack> decoder_stack; | |
255 | ||
256 | try { | |
257 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
258 | ||
259 | // Create the decoder | |
260 | decoder_stack = shared_ptr<data::DecoderStack>( | |
261 | new data::DecoderStack(*this, dec)); | |
262 | ||
263 | // Make a list of all the channels | |
264 | std::vector<const srd_channel*> all_channels; | |
265 | for (const GSList *i = dec->channels; i; i = i->next) | |
266 | all_channels.push_back((const srd_channel*)i->data); | |
267 | for (const GSList *i = dec->opt_channels; i; i = i->next) | |
268 | all_channels.push_back((const srd_channel*)i->data); | |
269 | ||
270 | // Auto select the initial channels | |
271 | for (const srd_channel *pdch : all_channels) | |
272 | for (shared_ptr<view::Signal> s : signals_) { | |
273 | shared_ptr<view::LogicSignal> l = | |
274 | dynamic_pointer_cast<view::LogicSignal>(s); | |
275 | if (l && QString::fromUtf8(pdch->name). | |
276 | toLower().contains( | |
277 | l->name().toLower())) | |
278 | channels[pdch] = l; | |
279 | } | |
280 | ||
281 | assert(decoder_stack); | |
282 | assert(!decoder_stack->stack().empty()); | |
283 | assert(decoder_stack->stack().front()); | |
284 | decoder_stack->stack().front()->set_channels(channels); | |
285 | ||
286 | // Create the decode signal | |
287 | shared_ptr<view::DecodeTrace> d( | |
288 | new view::DecodeTrace(*this, decoder_stack, | |
289 | decode_traces_.size())); | |
290 | decode_traces_.push_back(d); | |
291 | } catch (std::runtime_error e) { | |
292 | return false; | |
293 | } | |
294 | ||
295 | signals_changed(); | |
296 | ||
297 | // Do an initial decode | |
298 | decoder_stack->begin_decode(); | |
299 | ||
300 | return true; | |
301 | } | |
302 | ||
303 | vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const | |
304 | { | |
305 | shared_lock<shared_mutex> lock(signals_mutex_); | |
306 | return decode_traces_; | |
307 | } | |
308 | ||
309 | void Session::remove_decode_signal(view::DecodeTrace *signal) | |
310 | { | |
311 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
312 | if ((*i).get() == signal) { | |
313 | decode_traces_.erase(i); | |
314 | signals_changed(); | |
315 | return; | |
316 | } | |
317 | } | |
318 | #endif | |
319 | ||
320 | void Session::set_capture_state(capture_state state) | |
321 | { | |
322 | bool changed; | |
323 | ||
324 | { | |
325 | lock_guard<mutex> lock(sampling_mutex_); | |
326 | changed = capture_state_ != state; | |
327 | capture_state_ = state; | |
328 | } | |
329 | ||
330 | if (changed) | |
331 | capture_state_changed(state); | |
332 | } | |
333 | ||
334 | void Session::update_signals() | |
335 | { | |
336 | assert(device_); | |
337 | ||
338 | lock_guard<recursive_mutex> lock(data_mutex_); | |
339 | ||
340 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
341 | if (!sr_dev) { | |
342 | signals_.clear(); | |
343 | logic_data_.reset(); | |
344 | return; | |
345 | } | |
346 | ||
347 | // Detect what data types we will receive | |
348 | auto channels = sr_dev->channels(); | |
349 | unsigned int logic_channel_count = std::count_if( | |
350 | channels.begin(), channels.end(), | |
351 | [] (shared_ptr<Channel> channel) { | |
352 | return channel->type() == ChannelType::LOGIC; }); | |
353 | ||
354 | // Create data containers for the logic data segments | |
355 | { | |
356 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
357 | ||
358 | if (logic_channel_count == 0) { | |
359 | logic_data_.reset(); | |
360 | } else if (!logic_data_ || | |
361 | logic_data_->num_channels() != logic_channel_count) { | |
362 | logic_data_.reset(new data::Logic( | |
363 | logic_channel_count)); | |
364 | assert(logic_data_); | |
365 | } | |
366 | } | |
367 | ||
368 | // Make the Signals list | |
369 | { | |
370 | unique_lock<shared_mutex> lock(signals_mutex_); | |
371 | ||
372 | unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_); | |
373 | signals_.clear(); | |
374 | ||
375 | for (auto channel : sr_dev->channels()) { | |
376 | shared_ptr<view::Signal> signal; | |
377 | ||
378 | // Find the channel in the old signals | |
379 | const auto iter = std::find_if( | |
380 | prev_sigs.cbegin(), prev_sigs.cend(), | |
381 | [&](const shared_ptr<view::Signal> &s) { | |
382 | return s->channel() == channel; | |
383 | }); | |
384 | if (iter != prev_sigs.end()) { | |
385 | // Copy the signal from the old set to the new | |
386 | signal = *iter; | |
387 | auto logic_signal = dynamic_pointer_cast< | |
388 | view::LogicSignal>(signal); | |
389 | if (logic_signal) | |
390 | logic_signal->set_logic_data( | |
391 | logic_data_); | |
392 | } else { | |
393 | // Create a new signal | |
394 | switch(channel->type()->id()) { | |
395 | case SR_CHANNEL_LOGIC: | |
396 | signal = shared_ptr<view::Signal>( | |
397 | new view::LogicSignal(*this, | |
398 | device_, channel, | |
399 | logic_data_)); | |
400 | break; | |
401 | ||
402 | case SR_CHANNEL_ANALOG: | |
403 | { | |
404 | shared_ptr<data::Analog> data( | |
405 | new data::Analog()); | |
406 | signal = shared_ptr<view::Signal>( | |
407 | new view::AnalogSignal( | |
408 | *this, channel, data)); | |
409 | break; | |
410 | } | |
411 | ||
412 | default: | |
413 | assert(0); | |
414 | break; | |
415 | } | |
416 | } | |
417 | ||
418 | assert(signal); | |
419 | signals_.insert(signal); | |
420 | } | |
421 | } | |
422 | ||
423 | signals_changed(); | |
424 | } | |
425 | ||
426 | shared_ptr<view::Signal> Session::signal_from_channel( | |
427 | shared_ptr<Channel> channel) const | |
428 | { | |
429 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
430 | for (shared_ptr<view::Signal> sig : signals_) { | |
431 | assert(sig); | |
432 | if (sig->channel() == channel) | |
433 | return sig; | |
434 | } | |
435 | return shared_ptr<view::Signal>(); | |
436 | } | |
437 | ||
438 | void Session::sample_thread_proc(shared_ptr<devices::Device> device, | |
439 | function<void (const QString)> error_handler) | |
440 | { | |
441 | assert(device); | |
442 | assert(error_handler); | |
443 | ||
444 | (void)device; | |
445 | ||
446 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
447 | ||
448 | out_of_memory_ = false; | |
449 | ||
450 | try { | |
451 | device_->start(); | |
452 | } catch (Error e) { | |
453 | error_handler(e.what()); | |
454 | return; | |
455 | } | |
456 | ||
457 | set_capture_state(device_->session()->trigger() ? | |
458 | AwaitingTrigger : Running); | |
459 | ||
460 | device_->run(); | |
461 | set_capture_state(Stopped); | |
462 | ||
463 | // Confirm that SR_DF_END was received | |
464 | if (cur_logic_segment_) { | |
465 | qDebug("SR_DF_END was not received."); | |
466 | assert(0); | |
467 | } | |
468 | ||
469 | if (out_of_memory_) | |
470 | error_handler(tr("Out of memory, acquisition stopped.")); | |
471 | } | |
472 | ||
473 | void Session::feed_in_header() | |
474 | { | |
475 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
476 | } | |
477 | ||
478 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
479 | { | |
480 | for (auto entry : meta->config()) { | |
481 | switch (entry.first->id()) { | |
482 | case SR_CONF_SAMPLERATE: | |
483 | // We can't rely on the header to always contain the sample rate, | |
484 | // so in case it's supplied via a meta packet, we use it. | |
485 | if (!cur_samplerate_) | |
486 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
487 | ||
488 | /// @todo handle samplerate changes | |
489 | break; | |
490 | default: | |
491 | // Unknown metadata is not an error. | |
492 | break; | |
493 | } | |
494 | } | |
495 | ||
496 | signals_changed(); | |
497 | } | |
498 | ||
499 | void Session::feed_in_trigger() | |
500 | { | |
501 | // The channel containing most samples should be most accurate | |
502 | uint64_t sample_count = 0; | |
503 | ||
504 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
505 | assert(d); | |
506 | uint64_t temp_count = 0; | |
507 | ||
508 | const vector< shared_ptr<pv::data::Segment> > segments = | |
509 | d->segments(); | |
510 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
511 | temp_count += s->get_sample_count(); | |
512 | ||
513 | if (temp_count > sample_count) | |
514 | sample_count = temp_count; | |
515 | } | |
516 | ||
517 | trigger_event(sample_count / get_samplerate()); | |
518 | } | |
519 | ||
520 | void Session::feed_in_frame_begin() | |
521 | { | |
522 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) | |
523 | frame_began(); | |
524 | } | |
525 | ||
526 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
527 | { | |
528 | lock_guard<recursive_mutex> lock(data_mutex_); | |
529 | ||
530 | const size_t sample_count = logic->data_length() / logic->unit_size(); | |
531 | ||
532 | if (!logic_data_) { | |
533 | // The only reason logic_data_ would not have been created is | |
534 | // if it was not possible to determine the signals when the | |
535 | // device was created. | |
536 | update_signals(); | |
537 | } | |
538 | ||
539 | if (!cur_logic_segment_) { | |
540 | // This could be the first packet after a trigger | |
541 | set_capture_state(Running); | |
542 | ||
543 | // Create a new data segment | |
544 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
545 | new data::LogicSegment( | |
546 | logic, cur_samplerate_, sample_count)); | |
547 | logic_data_->push_segment(cur_logic_segment_); | |
548 | ||
549 | // @todo Putting this here means that only listeners querying | |
550 | // for logic will be notified. Currently the only user of | |
551 | // frame_began is DecoderStack, but in future we need to signal | |
552 | // this after both analog and logic sweeps have begun. | |
553 | frame_began(); | |
554 | } else { | |
555 | // Append to the existing data segment | |
556 | cur_logic_segment_->append_payload(logic); | |
557 | } | |
558 | ||
559 | data_received(); | |
560 | } | |
561 | ||
562 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
563 | { | |
564 | lock_guard<recursive_mutex> lock(data_mutex_); | |
565 | ||
566 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
567 | const unsigned int channel_count = channels.size(); | |
568 | const size_t sample_count = analog->num_samples() / channel_count; | |
569 | const float *data = static_cast<const float *>(analog->data_pointer()); | |
570 | bool sweep_beginning = false; | |
571 | ||
572 | if (signals_.empty()) | |
573 | update_signals(); | |
574 | ||
575 | for (auto channel : channels) { | |
576 | shared_ptr<data::AnalogSegment> segment; | |
577 | ||
578 | // Try to get the segment of the channel | |
579 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
580 | iterator iter = cur_analog_segments_.find(channel); | |
581 | if (iter != cur_analog_segments_.end()) | |
582 | segment = (*iter).second; | |
583 | else { | |
584 | // If no segment was found, this means we haven't | |
585 | // created one yet. i.e. this is the first packet | |
586 | // in the sweep containing this segment. | |
587 | sweep_beginning = true; | |
588 | ||
589 | // Create a segment, keep it in the maps of channels | |
590 | segment = shared_ptr<data::AnalogSegment>( | |
591 | new data::AnalogSegment( | |
592 | cur_samplerate_, sample_count)); | |
593 | cur_analog_segments_[channel] = segment; | |
594 | ||
595 | // Find the analog data associated with the channel | |
596 | shared_ptr<view::AnalogSignal> sig = | |
597 | dynamic_pointer_cast<view::AnalogSignal>( | |
598 | signal_from_channel(channel)); | |
599 | assert(sig); | |
600 | ||
601 | shared_ptr<data::Analog> data(sig->analog_data()); | |
602 | assert(data); | |
603 | ||
604 | // Push the segment into the analog data. | |
605 | data->push_segment(segment); | |
606 | } | |
607 | ||
608 | assert(segment); | |
609 | ||
610 | // Append the samples in the segment | |
611 | segment->append_interleaved_samples(data++, sample_count, | |
612 | channel_count); | |
613 | } | |
614 | ||
615 | if (sweep_beginning) { | |
616 | // This could be the first packet after a trigger | |
617 | set_capture_state(Running); | |
618 | } | |
619 | ||
620 | data_received(); | |
621 | } | |
622 | ||
623 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
624 | shared_ptr<Packet> packet) | |
625 | { | |
626 | (void)device; | |
627 | ||
628 | assert(device); | |
629 | assert(device == device_->device()); | |
630 | assert(packet); | |
631 | ||
632 | switch (packet->type()->id()) { | |
633 | case SR_DF_HEADER: | |
634 | feed_in_header(); | |
635 | break; | |
636 | ||
637 | case SR_DF_META: | |
638 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
639 | break; | |
640 | ||
641 | case SR_DF_TRIGGER: | |
642 | feed_in_trigger(); | |
643 | break; | |
644 | ||
645 | case SR_DF_FRAME_BEGIN: | |
646 | feed_in_frame_begin(); | |
647 | break; | |
648 | ||
649 | case SR_DF_LOGIC: | |
650 | try { | |
651 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
652 | } catch (std::bad_alloc) { | |
653 | out_of_memory_ = true; | |
654 | device_->stop(); | |
655 | } | |
656 | break; | |
657 | ||
658 | case SR_DF_ANALOG: | |
659 | try { | |
660 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
661 | } catch (std::bad_alloc) { | |
662 | out_of_memory_ = true; | |
663 | device_->stop(); | |
664 | } | |
665 | break; | |
666 | ||
667 | case SR_DF_END: | |
668 | { | |
669 | { | |
670 | lock_guard<recursive_mutex> lock(data_mutex_); | |
671 | cur_logic_segment_.reset(); | |
672 | cur_analog_segments_.clear(); | |
673 | } | |
674 | frame_ended(); | |
675 | break; | |
676 | } | |
677 | default: | |
678 | break; | |
679 | } | |
680 | } | |
681 | ||
682 | } // namespace pv |