]>
Commit | Line | Data |
---|---|---|
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/signalbase.hpp" | |
43 | #include "data/decode/decoder.hpp" | |
44 | ||
45 | #include "devices/hardwaredevice.hpp" | |
46 | #include "devices/sessionfile.hpp" | |
47 | ||
48 | #include "view/analogsignal.hpp" | |
49 | #include "view/decodetrace.hpp" | |
50 | #include "view/logicsignal.hpp" | |
51 | ||
52 | #include <cassert> | |
53 | #include <mutex> | |
54 | #include <stdexcept> | |
55 | ||
56 | #include <sys/stat.h> | |
57 | ||
58 | #include <QDebug> | |
59 | ||
60 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
61 | ||
62 | using boost::shared_lock; | |
63 | using boost::shared_mutex; | |
64 | using boost::unique_lock; | |
65 | ||
66 | using std::dynamic_pointer_cast; | |
67 | using std::function; | |
68 | using std::lock_guard; | |
69 | using std::list; | |
70 | using std::map; | |
71 | using std::mutex; | |
72 | using std::recursive_mutex; | |
73 | using std::set; | |
74 | using std::shared_ptr; | |
75 | using std::string; | |
76 | using std::unordered_set; | |
77 | using std::vector; | |
78 | ||
79 | using sigrok::Analog; | |
80 | using sigrok::Channel; | |
81 | using sigrok::ChannelType; | |
82 | using sigrok::ConfigKey; | |
83 | using sigrok::DatafeedCallbackFunction; | |
84 | using sigrok::Error; | |
85 | using sigrok::Header; | |
86 | using sigrok::Logic; | |
87 | using sigrok::Meta; | |
88 | using sigrok::Packet; | |
89 | using sigrok::PacketPayload; | |
90 | using sigrok::Session; | |
91 | using sigrok::SessionDevice; | |
92 | ||
93 | using Glib::VariantBase; | |
94 | using Glib::Variant; | |
95 | ||
96 | namespace pv { | |
97 | Session::Session(DeviceManager &device_manager) : | |
98 | device_manager_(device_manager), | |
99 | capture_state_(Stopped), | |
100 | cur_samplerate_(0) | |
101 | { | |
102 | } | |
103 | ||
104 | Session::~Session() | |
105 | { | |
106 | // Stop and join to the thread | |
107 | stop_capture(); | |
108 | } | |
109 | ||
110 | DeviceManager& Session::device_manager() | |
111 | { | |
112 | return device_manager_; | |
113 | } | |
114 | ||
115 | const DeviceManager& Session::device_manager() const | |
116 | { | |
117 | return device_manager_; | |
118 | } | |
119 | ||
120 | shared_ptr<sigrok::Session> Session::session() const | |
121 | { | |
122 | if (!device_) | |
123 | return shared_ptr<sigrok::Session>(); | |
124 | return device_->session(); | |
125 | } | |
126 | ||
127 | shared_ptr<devices::Device> Session::device() const | |
128 | { | |
129 | return device_; | |
130 | } | |
131 | ||
132 | void Session::set_device(shared_ptr<devices::Device> device) | |
133 | { | |
134 | assert(device); | |
135 | ||
136 | // Ensure we are not capturing before setting the device | |
137 | stop_capture(); | |
138 | ||
139 | if (device_) | |
140 | device_->close(); | |
141 | ||
142 | device_.reset(); | |
143 | ||
144 | // Remove all stored data | |
145 | signals_.clear(); | |
146 | { | |
147 | shared_lock<shared_mutex> lock(signals_mutex_); | |
148 | for (const shared_ptr<data::SignalData> d : all_signal_data_) | |
149 | d->clear(); | |
150 | } | |
151 | all_signal_data_.clear(); | |
152 | cur_logic_segment_.reset(); | |
153 | ||
154 | for (auto entry : cur_analog_segments_) { | |
155 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
156 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
157 | } | |
158 | ||
159 | logic_data_.reset(); | |
160 | decode_traces_.clear(); | |
161 | ||
162 | signals_changed(); | |
163 | ||
164 | device_ = std::move(device); | |
165 | ||
166 | try { | |
167 | device_->open(); | |
168 | } catch (const QString &e) { | |
169 | device_.reset(); | |
170 | device_selected(); | |
171 | throw; | |
172 | } | |
173 | ||
174 | device_->session()->add_datafeed_callback([=] | |
175 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
176 | data_feed_in(device, packet); | |
177 | }); | |
178 | ||
179 | update_signals(); | |
180 | device_selected(); | |
181 | } | |
182 | ||
183 | void Session::set_default_device() | |
184 | { | |
185 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
186 | device_manager_.devices(); | |
187 | ||
188 | if (devices.empty()) | |
189 | return; | |
190 | ||
191 | // Try and find the demo device and select that by default | |
192 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
193 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
194 | return d->hardware_device()->driver()->name() == | |
195 | "demo"; }); | |
196 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
197 | } | |
198 | ||
199 | Session::capture_state Session::get_capture_state() const | |
200 | { | |
201 | lock_guard<mutex> lock(sampling_mutex_); | |
202 | return capture_state_; | |
203 | } | |
204 | ||
205 | void Session::start_capture(function<void (const QString)> error_handler) | |
206 | { | |
207 | if (!device_) { | |
208 | error_handler(tr("No active device set, can't start acquisition.")); | |
209 | return; | |
210 | } | |
211 | ||
212 | stop_capture(); | |
213 | ||
214 | // Check that at least one channel is enabled | |
215 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
216 | if (sr_dev) { | |
217 | const auto channels = sr_dev->channels(); | |
218 | if (!std::any_of(channels.begin(), channels.end(), | |
219 | [](shared_ptr<Channel> channel) { | |
220 | return channel->enabled(); })) { | |
221 | error_handler(tr("No channels enabled.")); | |
222 | return; | |
223 | } | |
224 | } | |
225 | ||
226 | // Clear signal data | |
227 | { | |
228 | shared_lock<shared_mutex> lock(signals_mutex_); | |
229 | for (const shared_ptr<data::SignalData> d : all_signal_data_) | |
230 | d->clear(); | |
231 | } | |
232 | ||
233 | // Begin the session | |
234 | sampling_thread_ = std::thread( | |
235 | &Session::sample_thread_proc, this, error_handler); | |
236 | } | |
237 | ||
238 | void Session::stop_capture() | |
239 | { | |
240 | if (get_capture_state() != Stopped) | |
241 | device_->stop(); | |
242 | ||
243 | // Check that sampling stopped | |
244 | if (sampling_thread_.joinable()) | |
245 | sampling_thread_.join(); | |
246 | } | |
247 | ||
248 | double Session::get_samplerate() const | |
249 | { | |
250 | double samplerate = 0.0; | |
251 | ||
252 | { | |
253 | shared_lock<shared_mutex> lock(signals_mutex_); | |
254 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { | |
255 | assert(d); | |
256 | const vector< shared_ptr<pv::data::Segment> > segments = | |
257 | d->segments(); | |
258 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
259 | samplerate = std::max(samplerate, s->samplerate()); | |
260 | } | |
261 | } | |
262 | // If there is no sample rate given we use samples as unit | |
263 | if (samplerate == 0.0) | |
264 | samplerate = 1.0; | |
265 | ||
266 | return samplerate; | |
267 | } | |
268 | ||
269 | const unordered_set< shared_ptr<view::Signal> > Session::signals() const | |
270 | { | |
271 | shared_lock<shared_mutex> lock(signals_mutex_); | |
272 | return signals_; | |
273 | } | |
274 | ||
275 | #ifdef ENABLE_DECODE | |
276 | bool Session::add_decoder(srd_decoder *const dec) | |
277 | { | |
278 | map<const srd_channel*, shared_ptr<view::LogicSignal> > channels; | |
279 | shared_ptr<data::DecoderStack> decoder_stack; | |
280 | ||
281 | try { | |
282 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
283 | ||
284 | // Create the decoder | |
285 | decoder_stack = shared_ptr<data::DecoderStack>( | |
286 | new data::DecoderStack(*this, dec)); | |
287 | ||
288 | // Make a list of all the channels | |
289 | std::vector<const srd_channel*> all_channels; | |
290 | for (const GSList *i = dec->channels; i; i = i->next) | |
291 | all_channels.push_back((const srd_channel*)i->data); | |
292 | for (const GSList *i = dec->opt_channels; i; i = i->next) | |
293 | all_channels.push_back((const srd_channel*)i->data); | |
294 | ||
295 | // Auto select the initial channels | |
296 | for (const srd_channel *pdch : all_channels) | |
297 | for (shared_ptr<view::Signal> s : signals_) { | |
298 | shared_ptr<view::LogicSignal> l = | |
299 | dynamic_pointer_cast<view::LogicSignal>(s); | |
300 | if (l && QString::fromUtf8(pdch->name). | |
301 | toLower().contains( | |
302 | s->base()->name().toLower())) | |
303 | channels[pdch] = l; | |
304 | } | |
305 | ||
306 | assert(decoder_stack); | |
307 | assert(!decoder_stack->stack().empty()); | |
308 | assert(decoder_stack->stack().front()); | |
309 | decoder_stack->stack().front()->set_channels(channels); | |
310 | ||
311 | // Create the decode signal | |
312 | shared_ptr<data::SignalBase> signalbase = | |
313 | shared_ptr<data::SignalBase>(new data::SignalBase(nullptr)); | |
314 | ||
315 | shared_ptr<view::DecodeTrace> d( | |
316 | new view::DecodeTrace(*this, signalbase, decoder_stack, | |
317 | decode_traces_.size())); | |
318 | decode_traces_.push_back(d); | |
319 | } catch (std::runtime_error e) { | |
320 | return false; | |
321 | } | |
322 | ||
323 | signals_changed(); | |
324 | ||
325 | // Do an initial decode | |
326 | decoder_stack->begin_decode(); | |
327 | ||
328 | return true; | |
329 | } | |
330 | ||
331 | vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const | |
332 | { | |
333 | shared_lock<shared_mutex> lock(signals_mutex_); | |
334 | return decode_traces_; | |
335 | } | |
336 | ||
337 | void Session::remove_decode_signal(view::DecodeTrace *signal) | |
338 | { | |
339 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
340 | if ((*i).get() == signal) { | |
341 | decode_traces_.erase(i); | |
342 | signals_changed(); | |
343 | return; | |
344 | } | |
345 | } | |
346 | #endif | |
347 | ||
348 | void Session::set_capture_state(capture_state state) | |
349 | { | |
350 | bool changed; | |
351 | ||
352 | { | |
353 | lock_guard<mutex> lock(sampling_mutex_); | |
354 | changed = capture_state_ != state; | |
355 | capture_state_ = state; | |
356 | } | |
357 | ||
358 | if (changed) | |
359 | capture_state_changed(state); | |
360 | } | |
361 | ||
362 | void Session::update_signals() | |
363 | { | |
364 | if (!device_) { | |
365 | signals_.clear(); | |
366 | logic_data_.reset(); | |
367 | return; | |
368 | } | |
369 | ||
370 | lock_guard<recursive_mutex> lock(data_mutex_); | |
371 | ||
372 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
373 | if (!sr_dev) { | |
374 | signals_.clear(); | |
375 | logic_data_.reset(); | |
376 | return; | |
377 | } | |
378 | ||
379 | // Detect what data types we will receive | |
380 | auto channels = sr_dev->channels(); | |
381 | unsigned int logic_channel_count = std::count_if( | |
382 | channels.begin(), channels.end(), | |
383 | [] (shared_ptr<Channel> channel) { | |
384 | return channel->type() == ChannelType::LOGIC; }); | |
385 | ||
386 | // Create data containers for the logic data segments | |
387 | { | |
388 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
389 | ||
390 | if (logic_channel_count == 0) { | |
391 | logic_data_.reset(); | |
392 | } else if (!logic_data_ || | |
393 | logic_data_->num_channels() != logic_channel_count) { | |
394 | logic_data_.reset(new data::Logic( | |
395 | logic_channel_count)); | |
396 | assert(logic_data_); | |
397 | } | |
398 | } | |
399 | ||
400 | // Make the Signals list | |
401 | { | |
402 | unique_lock<shared_mutex> lock(signals_mutex_); | |
403 | ||
404 | unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_); | |
405 | signals_.clear(); | |
406 | ||
407 | for (auto channel : sr_dev->channels()) { | |
408 | shared_ptr<data::SignalBase> signalbase; | |
409 | shared_ptr<view::Signal> signal; | |
410 | ||
411 | // Find the channel in the old signals | |
412 | const auto iter = std::find_if( | |
413 | prev_sigs.cbegin(), prev_sigs.cend(), | |
414 | [&](const shared_ptr<view::Signal> &s) { | |
415 | return s->base()->channel() == channel; | |
416 | }); | |
417 | if (iter != prev_sigs.end()) { | |
418 | // Copy the signal from the old set to the new | |
419 | signal = *iter; | |
420 | auto logic_signal = dynamic_pointer_cast< | |
421 | view::LogicSignal>(signal); | |
422 | if (logic_signal) | |
423 | logic_signal->set_logic_data( | |
424 | logic_data_); | |
425 | } else { | |
426 | // Create a new signal | |
427 | signalbase = shared_ptr<data::SignalBase>( | |
428 | new data::SignalBase(channel)); | |
429 | ||
430 | switch(channel->type()->id()) { | |
431 | case SR_CHANNEL_LOGIC: | |
432 | signal = shared_ptr<view::Signal>( | |
433 | new view::LogicSignal(*this, | |
434 | device_, signalbase, logic_data_)); | |
435 | all_signal_data_.insert(logic_data_); | |
436 | signalbases_.insert(signalbase); | |
437 | break; | |
438 | ||
439 | case SR_CHANNEL_ANALOG: | |
440 | { | |
441 | shared_ptr<data::Analog> data(new data::Analog()); | |
442 | signalbase->set_data(data); | |
443 | signal = shared_ptr<view::Signal>( | |
444 | new view::AnalogSignal( | |
445 | *this, signalbase)); | |
446 | all_signal_data_.insert(data); | |
447 | signalbases_.insert(signalbase); | |
448 | break; | |
449 | } | |
450 | ||
451 | default: | |
452 | assert(0); | |
453 | break; | |
454 | } | |
455 | } | |
456 | ||
457 | assert(signal); | |
458 | signals_.insert(signal); | |
459 | } | |
460 | } | |
461 | ||
462 | signals_changed(); | |
463 | } | |
464 | ||
465 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
466 | shared_ptr<sigrok::Channel> channel) const | |
467 | { | |
468 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
469 | assert(sig); | |
470 | if (sig->channel() == channel) | |
471 | return sig; | |
472 | } | |
473 | return shared_ptr<data::SignalBase>(); | |
474 | } | |
475 | ||
476 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
477 | { | |
478 | assert(error_handler); | |
479 | ||
480 | if (!device_) | |
481 | return; | |
482 | ||
483 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
484 | ||
485 | out_of_memory_ = false; | |
486 | ||
487 | try { | |
488 | device_->start(); | |
489 | } catch (Error e) { | |
490 | error_handler(e.what()); | |
491 | return; | |
492 | } | |
493 | ||
494 | set_capture_state(device_->session()->trigger() ? | |
495 | AwaitingTrigger : Running); | |
496 | ||
497 | device_->run(); | |
498 | set_capture_state(Stopped); | |
499 | ||
500 | // Confirm that SR_DF_END was received | |
501 | if (cur_logic_segment_) { | |
502 | qDebug("SR_DF_END was not received."); | |
503 | assert(0); | |
504 | } | |
505 | ||
506 | if (out_of_memory_) | |
507 | error_handler(tr("Out of memory, acquisition stopped.")); | |
508 | } | |
509 | ||
510 | void Session::feed_in_header() | |
511 | { | |
512 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
513 | } | |
514 | ||
515 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
516 | { | |
517 | for (auto entry : meta->config()) { | |
518 | switch (entry.first->id()) { | |
519 | case SR_CONF_SAMPLERATE: | |
520 | // We can't rely on the header to always contain the sample rate, | |
521 | // so in case it's supplied via a meta packet, we use it. | |
522 | if (!cur_samplerate_) | |
523 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
524 | ||
525 | /// @todo handle samplerate changes | |
526 | break; | |
527 | default: | |
528 | // Unknown metadata is not an error. | |
529 | break; | |
530 | } | |
531 | } | |
532 | ||
533 | signals_changed(); | |
534 | } | |
535 | ||
536 | void Session::feed_in_trigger() | |
537 | { | |
538 | // The channel containing most samples should be most accurate | |
539 | uint64_t sample_count = 0; | |
540 | ||
541 | { | |
542 | shared_lock<shared_mutex> lock(signals_mutex_); | |
543 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { | |
544 | assert(d); | |
545 | uint64_t temp_count = 0; | |
546 | ||
547 | const vector< shared_ptr<pv::data::Segment> > segments = | |
548 | d->segments(); | |
549 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
550 | temp_count += s->get_sample_count(); | |
551 | ||
552 | if (temp_count > sample_count) | |
553 | sample_count = temp_count; | |
554 | } | |
555 | } | |
556 | ||
557 | trigger_event(sample_count / get_samplerate()); | |
558 | } | |
559 | ||
560 | void Session::feed_in_frame_begin() | |
561 | { | |
562 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) | |
563 | frame_began(); | |
564 | } | |
565 | ||
566 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
567 | { | |
568 | lock_guard<recursive_mutex> lock(data_mutex_); | |
569 | ||
570 | const size_t sample_count = logic->data_length() / logic->unit_size(); | |
571 | ||
572 | if (!logic_data_) { | |
573 | // The only reason logic_data_ would not have been created is | |
574 | // if it was not possible to determine the signals when the | |
575 | // device was created. | |
576 | update_signals(); | |
577 | } | |
578 | ||
579 | if (!cur_logic_segment_) { | |
580 | // This could be the first packet after a trigger | |
581 | set_capture_state(Running); | |
582 | ||
583 | // Create a new data segment | |
584 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
585 | new data::LogicSegment( | |
586 | logic, cur_samplerate_, sample_count)); | |
587 | logic_data_->push_segment(cur_logic_segment_); | |
588 | ||
589 | // @todo Putting this here means that only listeners querying | |
590 | // for logic will be notified. Currently the only user of | |
591 | // frame_began is DecoderStack, but in future we need to signal | |
592 | // this after both analog and logic sweeps have begun. | |
593 | frame_began(); | |
594 | } else { | |
595 | // Append to the existing data segment | |
596 | cur_logic_segment_->append_payload(logic); | |
597 | } | |
598 | ||
599 | data_received(); | |
600 | } | |
601 | ||
602 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
603 | { | |
604 | lock_guard<recursive_mutex> lock(data_mutex_); | |
605 | ||
606 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
607 | const unsigned int channel_count = channels.size(); | |
608 | const size_t sample_count = analog->num_samples() / channel_count; | |
609 | const float *data = static_cast<const float *>(analog->data_pointer()); | |
610 | bool sweep_beginning = false; | |
611 | ||
612 | if (signals_.empty()) | |
613 | update_signals(); | |
614 | ||
615 | for (auto channel : channels) { | |
616 | shared_ptr<data::AnalogSegment> segment; | |
617 | ||
618 | // Try to get the segment of the channel | |
619 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
620 | iterator iter = cur_analog_segments_.find(channel); | |
621 | if (iter != cur_analog_segments_.end()) | |
622 | segment = (*iter).second; | |
623 | else { | |
624 | // If no segment was found, this means we haven't | |
625 | // created one yet. i.e. this is the first packet | |
626 | // in the sweep containing this segment. | |
627 | sweep_beginning = true; | |
628 | ||
629 | // Create a segment, keep it in the maps of channels | |
630 | segment = shared_ptr<data::AnalogSegment>( | |
631 | new data::AnalogSegment( | |
632 | cur_samplerate_, sample_count)); | |
633 | cur_analog_segments_[channel] = segment; | |
634 | ||
635 | // Find the analog data associated with the channel | |
636 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
637 | assert(base); | |
638 | ||
639 | shared_ptr<data::Analog> data(base->analog_data()); | |
640 | assert(data); | |
641 | ||
642 | // Push the segment into the analog data. | |
643 | data->push_segment(segment); | |
644 | } | |
645 | ||
646 | assert(segment); | |
647 | ||
648 | // Append the samples in the segment | |
649 | segment->append_interleaved_samples(data++, sample_count, | |
650 | channel_count); | |
651 | } | |
652 | ||
653 | if (sweep_beginning) { | |
654 | // This could be the first packet after a trigger | |
655 | set_capture_state(Running); | |
656 | } | |
657 | ||
658 | data_received(); | |
659 | } | |
660 | ||
661 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
662 | shared_ptr<Packet> packet) | |
663 | { | |
664 | (void)device; | |
665 | ||
666 | assert(device); | |
667 | assert(device == device_->device()); | |
668 | assert(packet); | |
669 | ||
670 | switch (packet->type()->id()) { | |
671 | case SR_DF_HEADER: | |
672 | feed_in_header(); | |
673 | break; | |
674 | ||
675 | case SR_DF_META: | |
676 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
677 | break; | |
678 | ||
679 | case SR_DF_TRIGGER: | |
680 | feed_in_trigger(); | |
681 | break; | |
682 | ||
683 | case SR_DF_FRAME_BEGIN: | |
684 | feed_in_frame_begin(); | |
685 | break; | |
686 | ||
687 | case SR_DF_LOGIC: | |
688 | try { | |
689 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
690 | } catch (std::bad_alloc) { | |
691 | out_of_memory_ = true; | |
692 | device_->stop(); | |
693 | } | |
694 | break; | |
695 | ||
696 | case SR_DF_ANALOG: | |
697 | try { | |
698 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
699 | } catch (std::bad_alloc) { | |
700 | out_of_memory_ = true; | |
701 | device_->stop(); | |
702 | } | |
703 | break; | |
704 | ||
705 | case SR_DF_END: | |
706 | { | |
707 | { | |
708 | lock_guard<recursive_mutex> lock(data_mutex_); | |
709 | cur_logic_segment_.reset(); | |
710 | cur_analog_segments_.clear(); | |
711 | } | |
712 | frame_ended(); | |
713 | break; | |
714 | } | |
715 | default: | |
716 | break; | |
717 | } | |
718 | } | |
719 | ||
720 | } // namespace pv |