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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 stored data | |
144 | signals_.clear(); | |
145 | { | |
146 | shared_lock<shared_mutex> lock(signals_mutex_); | |
147 | for (const shared_ptr<data::SignalData> d : all_signal_data_) | |
148 | d->clear(); | |
149 | } | |
150 | all_signal_data_.clear(); | |
151 | cur_logic_segment_.reset(); | |
152 | ||
153 | for (auto entry : cur_analog_segments_) { | |
154 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
155 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
156 | } | |
157 | ||
158 | logic_data_.reset(); | |
159 | decode_traces_.clear(); | |
160 | ||
161 | signals_changed(); | |
162 | ||
163 | device_ = std::move(device); | |
164 | ||
165 | try { | |
166 | device_->open(); | |
167 | } catch (const QString &e) { | |
168 | device_.reset(); | |
169 | device_selected(); | |
170 | throw; | |
171 | } | |
172 | ||
173 | device_->session()->add_datafeed_callback([=] | |
174 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
175 | data_feed_in(device, packet); | |
176 | }); | |
177 | ||
178 | update_signals(); | |
179 | device_selected(); | |
180 | } | |
181 | ||
182 | void Session::set_default_device() | |
183 | { | |
184 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
185 | device_manager_.devices(); | |
186 | ||
187 | if (devices.empty()) | |
188 | return; | |
189 | ||
190 | // Try and find the demo device and select that by default | |
191 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
192 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
193 | return d->hardware_device()->driver()->name() == | |
194 | "demo"; }); | |
195 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
196 | } | |
197 | ||
198 | Session::capture_state Session::get_capture_state() const | |
199 | { | |
200 | lock_guard<mutex> lock(sampling_mutex_); | |
201 | return capture_state_; | |
202 | } | |
203 | ||
204 | void Session::start_capture(function<void (const QString)> error_handler) | |
205 | { | |
206 | if (!device_) { | |
207 | error_handler(tr("No active device set, can't start acquisition.")); | |
208 | return; | |
209 | } | |
210 | ||
211 | stop_capture(); | |
212 | ||
213 | // Check that at least one channel is enabled | |
214 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
215 | if (sr_dev) { | |
216 | const auto channels = sr_dev->channels(); | |
217 | if (!std::any_of(channels.begin(), channels.end(), | |
218 | [](shared_ptr<Channel> channel) { | |
219 | return channel->enabled(); })) { | |
220 | error_handler(tr("No channels enabled.")); | |
221 | return; | |
222 | } | |
223 | } | |
224 | ||
225 | // Clear signal data | |
226 | { | |
227 | shared_lock<shared_mutex> lock(signals_mutex_); | |
228 | for (const shared_ptr<data::SignalData> d : all_signal_data_) | |
229 | d->clear(); | |
230 | } | |
231 | ||
232 | // Begin the session | |
233 | sampling_thread_ = std::thread( | |
234 | &Session::sample_thread_proc, this, error_handler); | |
235 | } | |
236 | ||
237 | void Session::stop_capture() | |
238 | { | |
239 | if (get_capture_state() != Stopped) | |
240 | device_->stop(); | |
241 | ||
242 | // Check that sampling stopped | |
243 | if (sampling_thread_.joinable()) | |
244 | sampling_thread_.join(); | |
245 | } | |
246 | ||
247 | double Session::get_samplerate() const | |
248 | { | |
249 | double samplerate = 0.0; | |
250 | ||
251 | { | |
252 | shared_lock<shared_mutex> lock(signals_mutex_); | |
253 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { | |
254 | assert(d); | |
255 | const vector< shared_ptr<pv::data::Segment> > segments = | |
256 | d->segments(); | |
257 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
258 | samplerate = std::max(samplerate, s->samplerate()); | |
259 | } | |
260 | } | |
261 | // If there is no sample rate given we use samples as unit | |
262 | if (samplerate == 0.0) | |
263 | samplerate = 1.0; | |
264 | ||
265 | return samplerate; | |
266 | } | |
267 | ||
268 | const unordered_set< shared_ptr<view::Signal> > Session::signals() const | |
269 | { | |
270 | shared_lock<shared_mutex> lock(signals_mutex_); | |
271 | return signals_; | |
272 | } | |
273 | ||
274 | #ifdef ENABLE_DECODE | |
275 | bool Session::add_decoder(srd_decoder *const dec) | |
276 | { | |
277 | map<const srd_channel*, shared_ptr<view::LogicSignal> > channels; | |
278 | shared_ptr<data::DecoderStack> decoder_stack; | |
279 | ||
280 | try { | |
281 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
282 | ||
283 | // Create the decoder | |
284 | decoder_stack = shared_ptr<data::DecoderStack>( | |
285 | new data::DecoderStack(*this, dec)); | |
286 | ||
287 | // Make a list of all the channels | |
288 | std::vector<const srd_channel*> all_channels; | |
289 | for (const GSList *i = dec->channels; i; i = i->next) | |
290 | all_channels.push_back((const srd_channel*)i->data); | |
291 | for (const GSList *i = dec->opt_channels; i; i = i->next) | |
292 | all_channels.push_back((const srd_channel*)i->data); | |
293 | ||
294 | // Auto select the initial channels | |
295 | for (const srd_channel *pdch : all_channels) | |
296 | for (shared_ptr<view::Signal> s : signals_) { | |
297 | shared_ptr<view::LogicSignal> l = | |
298 | dynamic_pointer_cast<view::LogicSignal>(s); | |
299 | if (l && QString::fromUtf8(pdch->name). | |
300 | toLower().contains( | |
301 | l->name().toLower())) | |
302 | channels[pdch] = l; | |
303 | } | |
304 | ||
305 | assert(decoder_stack); | |
306 | assert(!decoder_stack->stack().empty()); | |
307 | assert(decoder_stack->stack().front()); | |
308 | decoder_stack->stack().front()->set_channels(channels); | |
309 | ||
310 | // Create the decode signal | |
311 | shared_ptr<view::DecodeTrace> d( | |
312 | new view::DecodeTrace(*this, decoder_stack, | |
313 | decode_traces_.size())); | |
314 | decode_traces_.push_back(d); | |
315 | } catch (std::runtime_error e) { | |
316 | return false; | |
317 | } | |
318 | ||
319 | signals_changed(); | |
320 | ||
321 | // Do an initial decode | |
322 | decoder_stack->begin_decode(); | |
323 | ||
324 | return true; | |
325 | } | |
326 | ||
327 | vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const | |
328 | { | |
329 | shared_lock<shared_mutex> lock(signals_mutex_); | |
330 | return decode_traces_; | |
331 | } | |
332 | ||
333 | void Session::remove_decode_signal(view::DecodeTrace *signal) | |
334 | { | |
335 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
336 | if ((*i).get() == signal) { | |
337 | decode_traces_.erase(i); | |
338 | signals_changed(); | |
339 | return; | |
340 | } | |
341 | } | |
342 | #endif | |
343 | ||
344 | void Session::set_capture_state(capture_state state) | |
345 | { | |
346 | bool changed; | |
347 | ||
348 | { | |
349 | lock_guard<mutex> lock(sampling_mutex_); | |
350 | changed = capture_state_ != state; | |
351 | capture_state_ = state; | |
352 | } | |
353 | ||
354 | if (changed) | |
355 | capture_state_changed(state); | |
356 | } | |
357 | ||
358 | void Session::update_signals() | |
359 | { | |
360 | if (!device_) { | |
361 | signals_.clear(); | |
362 | logic_data_.reset(); | |
363 | return; | |
364 | } | |
365 | ||
366 | lock_guard<recursive_mutex> lock(data_mutex_); | |
367 | ||
368 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
369 | if (!sr_dev) { | |
370 | signals_.clear(); | |
371 | logic_data_.reset(); | |
372 | return; | |
373 | } | |
374 | ||
375 | // Detect what data types we will receive | |
376 | auto channels = sr_dev->channels(); | |
377 | unsigned int logic_channel_count = std::count_if( | |
378 | channels.begin(), channels.end(), | |
379 | [] (shared_ptr<Channel> channel) { | |
380 | return channel->type() == ChannelType::LOGIC; }); | |
381 | ||
382 | // Create data containers for the logic data segments | |
383 | { | |
384 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
385 | ||
386 | if (logic_channel_count == 0) { | |
387 | logic_data_.reset(); | |
388 | } else if (!logic_data_ || | |
389 | logic_data_->num_channels() != logic_channel_count) { | |
390 | logic_data_.reset(new data::Logic( | |
391 | logic_channel_count)); | |
392 | assert(logic_data_); | |
393 | } | |
394 | } | |
395 | ||
396 | // Make the Signals list | |
397 | { | |
398 | unique_lock<shared_mutex> lock(signals_mutex_); | |
399 | ||
400 | unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_); | |
401 | signals_.clear(); | |
402 | ||
403 | for (auto channel : sr_dev->channels()) { | |
404 | shared_ptr<view::Signal> signal; | |
405 | ||
406 | // Find the channel in the old signals | |
407 | const auto iter = std::find_if( | |
408 | prev_sigs.cbegin(), prev_sigs.cend(), | |
409 | [&](const shared_ptr<view::Signal> &s) { | |
410 | return s->channel() == channel; | |
411 | }); | |
412 | if (iter != prev_sigs.end()) { | |
413 | // Copy the signal from the old set to the new | |
414 | signal = *iter; | |
415 | auto logic_signal = dynamic_pointer_cast< | |
416 | view::LogicSignal>(signal); | |
417 | if (logic_signal) | |
418 | logic_signal->set_logic_data( | |
419 | logic_data_); | |
420 | } else { | |
421 | // Create a new signal | |
422 | switch(channel->type()->id()) { | |
423 | case SR_CHANNEL_LOGIC: | |
424 | signal = shared_ptr<view::Signal>( | |
425 | new view::LogicSignal(*this, | |
426 | device_, channel, | |
427 | logic_data_)); | |
428 | all_signal_data_.insert(logic_data_); | |
429 | break; | |
430 | ||
431 | case SR_CHANNEL_ANALOG: | |
432 | { | |
433 | shared_ptr<data::Analog> data( | |
434 | new data::Analog()); | |
435 | signal = shared_ptr<view::Signal>( | |
436 | new view::AnalogSignal( | |
437 | *this, channel, data)); | |
438 | all_signal_data_.insert(data); | |
439 | break; | |
440 | } | |
441 | ||
442 | default: | |
443 | assert(0); | |
444 | break; | |
445 | } | |
446 | } | |
447 | ||
448 | assert(signal); | |
449 | signals_.insert(signal); | |
450 | } | |
451 | } | |
452 | ||
453 | signals_changed(); | |
454 | } | |
455 | ||
456 | shared_ptr<view::Signal> Session::signal_from_channel( | |
457 | shared_ptr<Channel> channel) const | |
458 | { | |
459 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
460 | for (shared_ptr<view::Signal> sig : signals_) { | |
461 | assert(sig); | |
462 | if (sig->channel() == channel) | |
463 | return sig; | |
464 | } | |
465 | return shared_ptr<view::Signal>(); | |
466 | } | |
467 | ||
468 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
469 | { | |
470 | assert(error_handler); | |
471 | ||
472 | if (!device_) | |
473 | return; | |
474 | ||
475 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
476 | ||
477 | out_of_memory_ = false; | |
478 | ||
479 | try { | |
480 | device_->start(); | |
481 | } catch (Error e) { | |
482 | error_handler(e.what()); | |
483 | return; | |
484 | } | |
485 | ||
486 | set_capture_state(device_->session()->trigger() ? | |
487 | AwaitingTrigger : Running); | |
488 | ||
489 | device_->run(); | |
490 | set_capture_state(Stopped); | |
491 | ||
492 | // Confirm that SR_DF_END was received | |
493 | if (cur_logic_segment_) { | |
494 | qDebug("SR_DF_END was not received."); | |
495 | assert(0); | |
496 | } | |
497 | ||
498 | if (out_of_memory_) | |
499 | error_handler(tr("Out of memory, acquisition stopped.")); | |
500 | } | |
501 | ||
502 | void Session::feed_in_header() | |
503 | { | |
504 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
505 | } | |
506 | ||
507 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
508 | { | |
509 | for (auto entry : meta->config()) { | |
510 | switch (entry.first->id()) { | |
511 | case SR_CONF_SAMPLERATE: | |
512 | // We can't rely on the header to always contain the sample rate, | |
513 | // so in case it's supplied via a meta packet, we use it. | |
514 | if (!cur_samplerate_) | |
515 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
516 | ||
517 | /// @todo handle samplerate changes | |
518 | break; | |
519 | default: | |
520 | // Unknown metadata is not an error. | |
521 | break; | |
522 | } | |
523 | } | |
524 | ||
525 | signals_changed(); | |
526 | } | |
527 | ||
528 | void Session::feed_in_trigger() | |
529 | { | |
530 | // The channel containing most samples should be most accurate | |
531 | uint64_t sample_count = 0; | |
532 | ||
533 | { | |
534 | shared_lock<shared_mutex> lock(signals_mutex_); | |
535 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { | |
536 | assert(d); | |
537 | uint64_t temp_count = 0; | |
538 | ||
539 | const vector< shared_ptr<pv::data::Segment> > segments = | |
540 | d->segments(); | |
541 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
542 | temp_count += s->get_sample_count(); | |
543 | ||
544 | if (temp_count > sample_count) | |
545 | sample_count = temp_count; | |
546 | } | |
547 | } | |
548 | ||
549 | trigger_event(sample_count / get_samplerate()); | |
550 | } | |
551 | ||
552 | void Session::feed_in_frame_begin() | |
553 | { | |
554 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) | |
555 | frame_began(); | |
556 | } | |
557 | ||
558 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
559 | { | |
560 | lock_guard<recursive_mutex> lock(data_mutex_); | |
561 | ||
562 | const size_t sample_count = logic->data_length() / logic->unit_size(); | |
563 | ||
564 | if (!logic_data_) { | |
565 | // The only reason logic_data_ would not have been created is | |
566 | // if it was not possible to determine the signals when the | |
567 | // device was created. | |
568 | update_signals(); | |
569 | } | |
570 | ||
571 | if (!cur_logic_segment_) { | |
572 | // This could be the first packet after a trigger | |
573 | set_capture_state(Running); | |
574 | ||
575 | // Create a new data segment | |
576 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
577 | new data::LogicSegment( | |
578 | logic, cur_samplerate_, sample_count)); | |
579 | logic_data_->push_segment(cur_logic_segment_); | |
580 | ||
581 | // @todo Putting this here means that only listeners querying | |
582 | // for logic will be notified. Currently the only user of | |
583 | // frame_began is DecoderStack, but in future we need to signal | |
584 | // this after both analog and logic sweeps have begun. | |
585 | frame_began(); | |
586 | } else { | |
587 | // Append to the existing data segment | |
588 | cur_logic_segment_->append_payload(logic); | |
589 | } | |
590 | ||
591 | data_received(); | |
592 | } | |
593 | ||
594 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
595 | { | |
596 | lock_guard<recursive_mutex> lock(data_mutex_); | |
597 | ||
598 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
599 | const unsigned int channel_count = channels.size(); | |
600 | const size_t sample_count = analog->num_samples() / channel_count; | |
601 | const float *data = static_cast<const float *>(analog->data_pointer()); | |
602 | bool sweep_beginning = false; | |
603 | ||
604 | if (signals_.empty()) | |
605 | update_signals(); | |
606 | ||
607 | for (auto channel : channels) { | |
608 | shared_ptr<data::AnalogSegment> segment; | |
609 | ||
610 | // Try to get the segment of the channel | |
611 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
612 | iterator iter = cur_analog_segments_.find(channel); | |
613 | if (iter != cur_analog_segments_.end()) | |
614 | segment = (*iter).second; | |
615 | else { | |
616 | // If no segment was found, this means we haven't | |
617 | // created one yet. i.e. this is the first packet | |
618 | // in the sweep containing this segment. | |
619 | sweep_beginning = true; | |
620 | ||
621 | // Create a segment, keep it in the maps of channels | |
622 | segment = shared_ptr<data::AnalogSegment>( | |
623 | new data::AnalogSegment( | |
624 | cur_samplerate_, sample_count)); | |
625 | cur_analog_segments_[channel] = segment; | |
626 | ||
627 | // Find the analog data associated with the channel | |
628 | shared_ptr<view::AnalogSignal> sig = | |
629 | dynamic_pointer_cast<view::AnalogSignal>( | |
630 | signal_from_channel(channel)); | |
631 | assert(sig); | |
632 | ||
633 | shared_ptr<data::Analog> data(sig->analog_data()); | |
634 | assert(data); | |
635 | ||
636 | // Push the segment into the analog data. | |
637 | data->push_segment(segment); | |
638 | } | |
639 | ||
640 | assert(segment); | |
641 | ||
642 | // Append the samples in the segment | |
643 | segment->append_interleaved_samples(data++, sample_count, | |
644 | channel_count); | |
645 | } | |
646 | ||
647 | if (sweep_beginning) { | |
648 | // This could be the first packet after a trigger | |
649 | set_capture_state(Running); | |
650 | } | |
651 | ||
652 | data_received(); | |
653 | } | |
654 | ||
655 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
656 | shared_ptr<Packet> packet) | |
657 | { | |
658 | (void)device; | |
659 | ||
660 | assert(device); | |
661 | assert(device == device_->device()); | |
662 | assert(packet); | |
663 | ||
664 | switch (packet->type()->id()) { | |
665 | case SR_DF_HEADER: | |
666 | feed_in_header(); | |
667 | break; | |
668 | ||
669 | case SR_DF_META: | |
670 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
671 | break; | |
672 | ||
673 | case SR_DF_TRIGGER: | |
674 | feed_in_trigger(); | |
675 | break; | |
676 | ||
677 | case SR_DF_FRAME_BEGIN: | |
678 | feed_in_frame_begin(); | |
679 | break; | |
680 | ||
681 | case SR_DF_LOGIC: | |
682 | try { | |
683 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
684 | } catch (std::bad_alloc) { | |
685 | out_of_memory_ = true; | |
686 | device_->stop(); | |
687 | } | |
688 | break; | |
689 | ||
690 | case SR_DF_ANALOG: | |
691 | try { | |
692 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
693 | } catch (std::bad_alloc) { | |
694 | out_of_memory_ = true; | |
695 | device_->stop(); | |
696 | } | |
697 | break; | |
698 | ||
699 | case SR_DF_END: | |
700 | { | |
701 | { | |
702 | lock_guard<recursive_mutex> lock(data_mutex_); | |
703 | cur_logic_segment_.reset(); | |
704 | cur_analog_segments_.clear(); | |
705 | } | |
706 | frame_ended(); | |
707 | break; | |
708 | } | |
709 | default: | |
710 | break; | |
711 | } | |
712 | } | |
713 | ||
714 | } // namespace pv |