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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_.reset(); | |
142 | ||
143 | // Remove all traces | |
144 | signals_.clear(); | |
145 | cur_logic_segment_.reset(); | |
146 | ||
147 | for (auto entry : cur_analog_segments_) { | |
148 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
149 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
150 | } | |
151 | ||
152 | logic_data_.reset(); | |
153 | decode_traces_.clear(); | |
154 | ||
155 | signals_changed(); | |
156 | ||
157 | device_ = std::move(device); | |
158 | device_->open(); | |
159 | device_->session()->add_datafeed_callback([=] | |
160 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
161 | data_feed_in(device, packet); | |
162 | }); | |
163 | ||
164 | update_signals(); | |
165 | device_selected(); | |
166 | } | |
167 | ||
168 | void Session::set_default_device() | |
169 | { | |
170 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
171 | device_manager_.devices(); | |
172 | ||
173 | if (devices.empty()) | |
174 | return; | |
175 | ||
176 | // Try and find the demo device and select that by default | |
177 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
178 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
179 | return d->hardware_device()->driver()->name() == | |
180 | "demo"; }); | |
181 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
182 | } | |
183 | ||
184 | Session::capture_state Session::get_capture_state() const | |
185 | { | |
186 | lock_guard<mutex> lock(sampling_mutex_); | |
187 | return capture_state_; | |
188 | } | |
189 | ||
190 | void Session::start_capture(function<void (const QString)> error_handler) | |
191 | { | |
192 | stop_capture(); | |
193 | ||
194 | // Check that at least one channel is enabled | |
195 | assert(device_); | |
196 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
197 | if (sr_dev) { | |
198 | const auto channels = sr_dev->channels(); | |
199 | if (!std::any_of(channels.begin(), channels.end(), | |
200 | [](shared_ptr<Channel> channel) { | |
201 | return channel->enabled(); })) { | |
202 | error_handler(tr("No channels enabled.")); | |
203 | return; | |
204 | } | |
205 | } | |
206 | ||
207 | // Clear signal data | |
208 | for (const shared_ptr<data::SignalData> d : get_data()) | |
209 | d->clear(); | |
210 | ||
211 | // Begin the session | |
212 | sampling_thread_ = std::thread( | |
213 | &Session::sample_thread_proc, this, device_, | |
214 | error_handler); | |
215 | } | |
216 | ||
217 | void Session::stop_capture() | |
218 | { | |
219 | if (get_capture_state() != Stopped) | |
220 | device_->stop(); | |
221 | ||
222 | // Check that sampling stopped | |
223 | if (sampling_thread_.joinable()) | |
224 | sampling_thread_.join(); | |
225 | } | |
226 | ||
227 | set< shared_ptr<data::SignalData> > Session::get_data() const | |
228 | { | |
229 | shared_lock<shared_mutex> lock(signals_mutex_); | |
230 | set< shared_ptr<data::SignalData> > data; | |
231 | for (const shared_ptr<view::Signal> sig : signals_) { | |
232 | assert(sig); | |
233 | data.insert(sig->data()); | |
234 | } | |
235 | ||
236 | return data; | |
237 | } | |
238 | ||
239 | double Session::get_samplerate() const | |
240 | { | |
241 | double samplerate = 0.0; | |
242 | ||
243 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
244 | assert(d); | |
245 | const vector< shared_ptr<pv::data::Segment> > segments = | |
246 | d->segments(); | |
247 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
248 | samplerate = std::max(samplerate, s->samplerate()); | |
249 | } | |
250 | ||
251 | // If there is no sample rate given we use samples as unit | |
252 | if (samplerate == 0.0) | |
253 | samplerate = 1.0; | |
254 | ||
255 | return samplerate; | |
256 | } | |
257 | ||
258 | const unordered_set< shared_ptr<view::Signal> > Session::signals() const | |
259 | { | |
260 | shared_lock<shared_mutex> lock(signals_mutex_); | |
261 | return signals_; | |
262 | } | |
263 | ||
264 | #ifdef ENABLE_DECODE | |
265 | bool Session::add_decoder(srd_decoder *const dec) | |
266 | { | |
267 | map<const srd_channel*, shared_ptr<view::LogicSignal> > channels; | |
268 | shared_ptr<data::DecoderStack> decoder_stack; | |
269 | ||
270 | try { | |
271 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
272 | ||
273 | // Create the decoder | |
274 | decoder_stack = shared_ptr<data::DecoderStack>( | |
275 | new data::DecoderStack(*this, dec)); | |
276 | ||
277 | // Make a list of all the channels | |
278 | std::vector<const srd_channel*> all_channels; | |
279 | for (const GSList *i = dec->channels; i; i = i->next) | |
280 | all_channels.push_back((const srd_channel*)i->data); | |
281 | for (const GSList *i = dec->opt_channels; i; i = i->next) | |
282 | all_channels.push_back((const srd_channel*)i->data); | |
283 | ||
284 | // Auto select the initial channels | |
285 | for (const srd_channel *pdch : all_channels) | |
286 | for (shared_ptr<view::Signal> s : signals_) { | |
287 | shared_ptr<view::LogicSignal> l = | |
288 | dynamic_pointer_cast<view::LogicSignal>(s); | |
289 | if (l && QString::fromUtf8(pdch->name). | |
290 | toLower().contains( | |
291 | l->name().toLower())) | |
292 | channels[pdch] = l; | |
293 | } | |
294 | ||
295 | assert(decoder_stack); | |
296 | assert(!decoder_stack->stack().empty()); | |
297 | assert(decoder_stack->stack().front()); | |
298 | decoder_stack->stack().front()->set_channels(channels); | |
299 | ||
300 | // Create the decode signal | |
301 | shared_ptr<view::DecodeTrace> d( | |
302 | new view::DecodeTrace(*this, decoder_stack, | |
303 | decode_traces_.size())); | |
304 | decode_traces_.push_back(d); | |
305 | } catch (std::runtime_error e) { | |
306 | return false; | |
307 | } | |
308 | ||
309 | signals_changed(); | |
310 | ||
311 | // Do an initial decode | |
312 | decoder_stack->begin_decode(); | |
313 | ||
314 | return true; | |
315 | } | |
316 | ||
317 | vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const | |
318 | { | |
319 | shared_lock<shared_mutex> lock(signals_mutex_); | |
320 | return decode_traces_; | |
321 | } | |
322 | ||
323 | void Session::remove_decode_signal(view::DecodeTrace *signal) | |
324 | { | |
325 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
326 | if ((*i).get() == signal) { | |
327 | decode_traces_.erase(i); | |
328 | signals_changed(); | |
329 | return; | |
330 | } | |
331 | } | |
332 | #endif | |
333 | ||
334 | void Session::set_capture_state(capture_state state) | |
335 | { | |
336 | bool changed; | |
337 | ||
338 | { | |
339 | lock_guard<mutex> lock(sampling_mutex_); | |
340 | changed = capture_state_ != state; | |
341 | capture_state_ = state; | |
342 | } | |
343 | ||
344 | if (changed) | |
345 | capture_state_changed(state); | |
346 | } | |
347 | ||
348 | void Session::update_signals() | |
349 | { | |
350 | if (!device_) { | |
351 | signals_.clear(); | |
352 | logic_data_.reset(); | |
353 | return; | |
354 | } | |
355 | ||
356 | lock_guard<recursive_mutex> lock(data_mutex_); | |
357 | ||
358 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
359 | if (!sr_dev) { | |
360 | signals_.clear(); | |
361 | logic_data_.reset(); | |
362 | return; | |
363 | } | |
364 | ||
365 | // Detect what data types we will receive | |
366 | auto channels = sr_dev->channels(); | |
367 | unsigned int logic_channel_count = std::count_if( | |
368 | channels.begin(), channels.end(), | |
369 | [] (shared_ptr<Channel> channel) { | |
370 | return channel->type() == ChannelType::LOGIC; }); | |
371 | ||
372 | // Create data containers for the logic data segments | |
373 | { | |
374 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
375 | ||
376 | if (logic_channel_count == 0) { | |
377 | logic_data_.reset(); | |
378 | } else if (!logic_data_ || | |
379 | logic_data_->num_channels() != logic_channel_count) { | |
380 | logic_data_.reset(new data::Logic( | |
381 | logic_channel_count)); | |
382 | assert(logic_data_); | |
383 | } | |
384 | } | |
385 | ||
386 | // Make the Signals list | |
387 | { | |
388 | unique_lock<shared_mutex> lock(signals_mutex_); | |
389 | ||
390 | unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_); | |
391 | signals_.clear(); | |
392 | ||
393 | for (auto channel : sr_dev->channels()) { | |
394 | shared_ptr<view::Signal> signal; | |
395 | ||
396 | // Find the channel in the old signals | |
397 | const auto iter = std::find_if( | |
398 | prev_sigs.cbegin(), prev_sigs.cend(), | |
399 | [&](const shared_ptr<view::Signal> &s) { | |
400 | return s->channel() == channel; | |
401 | }); | |
402 | if (iter != prev_sigs.end()) { | |
403 | // Copy the signal from the old set to the new | |
404 | signal = *iter; | |
405 | auto logic_signal = dynamic_pointer_cast< | |
406 | view::LogicSignal>(signal); | |
407 | if (logic_signal) | |
408 | logic_signal->set_logic_data( | |
409 | logic_data_); | |
410 | } else { | |
411 | // Create a new signal | |
412 | switch(channel->type()->id()) { | |
413 | case SR_CHANNEL_LOGIC: | |
414 | signal = shared_ptr<view::Signal>( | |
415 | new view::LogicSignal(*this, | |
416 | device_, channel, | |
417 | logic_data_)); | |
418 | break; | |
419 | ||
420 | case SR_CHANNEL_ANALOG: | |
421 | { | |
422 | shared_ptr<data::Analog> data( | |
423 | new data::Analog()); | |
424 | signal = shared_ptr<view::Signal>( | |
425 | new view::AnalogSignal( | |
426 | *this, channel, data)); | |
427 | break; | |
428 | } | |
429 | ||
430 | default: | |
431 | assert(0); | |
432 | break; | |
433 | } | |
434 | } | |
435 | ||
436 | assert(signal); | |
437 | signals_.insert(signal); | |
438 | } | |
439 | } | |
440 | ||
441 | signals_changed(); | |
442 | } | |
443 | ||
444 | shared_ptr<view::Signal> Session::signal_from_channel( | |
445 | shared_ptr<Channel> channel) const | |
446 | { | |
447 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
448 | for (shared_ptr<view::Signal> sig : signals_) { | |
449 | assert(sig); | |
450 | if (sig->channel() == channel) | |
451 | return sig; | |
452 | } | |
453 | return shared_ptr<view::Signal>(); | |
454 | } | |
455 | ||
456 | void Session::sample_thread_proc(shared_ptr<devices::Device> device, | |
457 | function<void (const QString)> error_handler) | |
458 | { | |
459 | assert(device); | |
460 | assert(error_handler); | |
461 | ||
462 | (void)device; | |
463 | ||
464 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
465 | ||
466 | out_of_memory_ = false; | |
467 | ||
468 | try { | |
469 | device_->start(); | |
470 | } catch (Error e) { | |
471 | error_handler(e.what()); | |
472 | return; | |
473 | } | |
474 | ||
475 | set_capture_state(device_->session()->trigger() ? | |
476 | AwaitingTrigger : Running); | |
477 | ||
478 | device_->run(); | |
479 | set_capture_state(Stopped); | |
480 | ||
481 | // Confirm that SR_DF_END was received | |
482 | if (cur_logic_segment_) { | |
483 | qDebug("SR_DF_END was not received."); | |
484 | assert(0); | |
485 | } | |
486 | ||
487 | if (out_of_memory_) | |
488 | error_handler(tr("Out of memory, acquisition stopped.")); | |
489 | } | |
490 | ||
491 | void Session::feed_in_header() | |
492 | { | |
493 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
494 | } | |
495 | ||
496 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
497 | { | |
498 | for (auto entry : meta->config()) { | |
499 | switch (entry.first->id()) { | |
500 | case SR_CONF_SAMPLERATE: | |
501 | // We can't rely on the header to always contain the sample rate, | |
502 | // so in case it's supplied via a meta packet, we use it. | |
503 | if (!cur_samplerate_) | |
504 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
505 | ||
506 | /// @todo handle samplerate changes | |
507 | break; | |
508 | default: | |
509 | // Unknown metadata is not an error. | |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
514 | signals_changed(); | |
515 | } | |
516 | ||
517 | void Session::feed_in_trigger() | |
518 | { | |
519 | // The channel containing most samples should be most accurate | |
520 | uint64_t sample_count = 0; | |
521 | ||
522 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
523 | assert(d); | |
524 | uint64_t temp_count = 0; | |
525 | ||
526 | const vector< shared_ptr<pv::data::Segment> > segments = | |
527 | d->segments(); | |
528 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
529 | temp_count += s->get_sample_count(); | |
530 | ||
531 | if (temp_count > sample_count) | |
532 | sample_count = temp_count; | |
533 | } | |
534 | ||
535 | trigger_event(sample_count / get_samplerate()); | |
536 | } | |
537 | ||
538 | void Session::feed_in_frame_begin() | |
539 | { | |
540 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) | |
541 | frame_began(); | |
542 | } | |
543 | ||
544 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
545 | { | |
546 | lock_guard<recursive_mutex> lock(data_mutex_); | |
547 | ||
548 | const size_t sample_count = logic->data_length() / logic->unit_size(); | |
549 | ||
550 | if (!logic_data_) { | |
551 | // The only reason logic_data_ would not have been created is | |
552 | // if it was not possible to determine the signals when the | |
553 | // device was created. | |
554 | update_signals(); | |
555 | } | |
556 | ||
557 | if (!cur_logic_segment_) { | |
558 | // This could be the first packet after a trigger | |
559 | set_capture_state(Running); | |
560 | ||
561 | // Create a new data segment | |
562 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
563 | new data::LogicSegment( | |
564 | logic, cur_samplerate_, sample_count)); | |
565 | logic_data_->push_segment(cur_logic_segment_); | |
566 | ||
567 | // @todo Putting this here means that only listeners querying | |
568 | // for logic will be notified. Currently the only user of | |
569 | // frame_began is DecoderStack, but in future we need to signal | |
570 | // this after both analog and logic sweeps have begun. | |
571 | frame_began(); | |
572 | } else { | |
573 | // Append to the existing data segment | |
574 | cur_logic_segment_->append_payload(logic); | |
575 | } | |
576 | ||
577 | data_received(); | |
578 | } | |
579 | ||
580 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
581 | { | |
582 | lock_guard<recursive_mutex> lock(data_mutex_); | |
583 | ||
584 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
585 | const unsigned int channel_count = channels.size(); | |
586 | const size_t sample_count = analog->num_samples() / channel_count; | |
587 | const float *data = static_cast<const float *>(analog->data_pointer()); | |
588 | bool sweep_beginning = false; | |
589 | ||
590 | if (signals_.empty()) | |
591 | update_signals(); | |
592 | ||
593 | for (auto channel : channels) { | |
594 | shared_ptr<data::AnalogSegment> segment; | |
595 | ||
596 | // Try to get the segment of the channel | |
597 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
598 | iterator iter = cur_analog_segments_.find(channel); | |
599 | if (iter != cur_analog_segments_.end()) | |
600 | segment = (*iter).second; | |
601 | else { | |
602 | // If no segment was found, this means we haven't | |
603 | // created one yet. i.e. this is the first packet | |
604 | // in the sweep containing this segment. | |
605 | sweep_beginning = true; | |
606 | ||
607 | // Create a segment, keep it in the maps of channels | |
608 | segment = shared_ptr<data::AnalogSegment>( | |
609 | new data::AnalogSegment( | |
610 | cur_samplerate_, sample_count)); | |
611 | cur_analog_segments_[channel] = segment; | |
612 | ||
613 | // Find the analog data associated with the channel | |
614 | shared_ptr<view::AnalogSignal> sig = | |
615 | dynamic_pointer_cast<view::AnalogSignal>( | |
616 | signal_from_channel(channel)); | |
617 | assert(sig); | |
618 | ||
619 | shared_ptr<data::Analog> data(sig->analog_data()); | |
620 | assert(data); | |
621 | ||
622 | // Push the segment into the analog data. | |
623 | data->push_segment(segment); | |
624 | } | |
625 | ||
626 | assert(segment); | |
627 | ||
628 | // Append the samples in the segment | |
629 | segment->append_interleaved_samples(data++, sample_count, | |
630 | channel_count); | |
631 | } | |
632 | ||
633 | if (sweep_beginning) { | |
634 | // This could be the first packet after a trigger | |
635 | set_capture_state(Running); | |
636 | } | |
637 | ||
638 | data_received(); | |
639 | } | |
640 | ||
641 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
642 | shared_ptr<Packet> packet) | |
643 | { | |
644 | (void)device; | |
645 | ||
646 | assert(device); | |
647 | assert(device == device_->device()); | |
648 | assert(packet); | |
649 | ||
650 | switch (packet->type()->id()) { | |
651 | case SR_DF_HEADER: | |
652 | feed_in_header(); | |
653 | break; | |
654 | ||
655 | case SR_DF_META: | |
656 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
657 | break; | |
658 | ||
659 | case SR_DF_TRIGGER: | |
660 | feed_in_trigger(); | |
661 | break; | |
662 | ||
663 | case SR_DF_FRAME_BEGIN: | |
664 | feed_in_frame_begin(); | |
665 | break; | |
666 | ||
667 | case SR_DF_LOGIC: | |
668 | try { | |
669 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
670 | } catch (std::bad_alloc) { | |
671 | out_of_memory_ = true; | |
672 | device_->stop(); | |
673 | } | |
674 | break; | |
675 | ||
676 | case SR_DF_ANALOG: | |
677 | try { | |
678 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
679 | } catch (std::bad_alloc) { | |
680 | out_of_memory_ = true; | |
681 | device_->stop(); | |
682 | } | |
683 | break; | |
684 | ||
685 | case SR_DF_END: | |
686 | { | |
687 | { | |
688 | lock_guard<recursive_mutex> lock(data_mutex_); | |
689 | cur_logic_segment_.reset(); | |
690 | cur_analog_segments_.clear(); | |
691 | } | |
692 | frame_ended(); | |
693 | break; | |
694 | } | |
695 | default: | |
696 | break; | |
697 | } | |
698 | } | |
699 | ||
700 | } // namespace pv |