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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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <QDebug> | |
21 | #include <QFileInfo> | |
22 | ||
23 | #include <cassert> | |
24 | #include <memory> | |
25 | #include <mutex> | |
26 | #include <stdexcept> | |
27 | ||
28 | #include <sys/stat.h> | |
29 | ||
30 | #include "devicemanager.hpp" | |
31 | #include "mainwindow.hpp" | |
32 | #include "session.hpp" | |
33 | ||
34 | #include "data/analog.hpp" | |
35 | #include "data/analogsegment.hpp" | |
36 | #include "data/decode/decoder.hpp" | |
37 | #include "data/logic.hpp" | |
38 | #include "data/logicsegment.hpp" | |
39 | #include "data/signalbase.hpp" | |
40 | ||
41 | #include "devices/hardwaredevice.hpp" | |
42 | #include "devices/inputfile.hpp" | |
43 | #include "devices/sessionfile.hpp" | |
44 | ||
45 | #include "toolbars/mainbar.hpp" | |
46 | ||
47 | #include "views/trace/analogsignal.hpp" | |
48 | #include "views/trace/decodetrace.hpp" | |
49 | #include "views/trace/logicsignal.hpp" | |
50 | #include "views/trace/signal.hpp" | |
51 | #include "views/trace/view.hpp" | |
52 | ||
53 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
54 | ||
55 | #ifdef ENABLE_FLOW | |
56 | #include <gstreamermm.h> | |
57 | #include <libsigrokflow/libsigrokflow.hpp> | |
58 | #endif | |
59 | ||
60 | #ifdef ENABLE_DECODE | |
61 | #include <libsigrokdecode/libsigrokdecode.h> | |
62 | #include "data/decodesignal.hpp" | |
63 | #endif | |
64 | ||
65 | using std::bad_alloc; | |
66 | using std::dynamic_pointer_cast; | |
67 | using std::find_if; | |
68 | using std::function; | |
69 | using std::lock_guard; | |
70 | using std::list; | |
71 | using std::make_pair; | |
72 | using std::make_shared; | |
73 | using std::map; | |
74 | using std::max; | |
75 | using std::move; | |
76 | using std::mutex; | |
77 | using std::pair; | |
78 | using std::recursive_mutex; | |
79 | using std::runtime_error; | |
80 | using std::shared_ptr; | |
81 | using std::string; | |
82 | #ifdef ENABLE_FLOW | |
83 | using std::unique_lock; | |
84 | #endif | |
85 | using std::unique_ptr; | |
86 | using std::unordered_set; | |
87 | using std::vector; | |
88 | ||
89 | using sigrok::Analog; | |
90 | using sigrok::Channel; | |
91 | using sigrok::ConfigKey; | |
92 | using sigrok::DatafeedCallbackFunction; | |
93 | using sigrok::Error; | |
94 | using sigrok::InputFormat; | |
95 | using sigrok::Logic; | |
96 | using sigrok::Meta; | |
97 | using sigrok::Packet; | |
98 | using sigrok::Session; | |
99 | ||
100 | using Glib::VariantBase; | |
101 | ||
102 | #ifdef ENABLE_FLOW | |
103 | using Gst::Bus; | |
104 | using Gst::ElementFactory; | |
105 | using Gst::Pipeline; | |
106 | #endif | |
107 | ||
108 | namespace pv { | |
109 | ||
110 | shared_ptr<sigrok::Context> Session::sr_context; | |
111 | ||
112 | Session::Session(DeviceManager &device_manager, QString name) : | |
113 | device_manager_(device_manager), | |
114 | default_name_(name), | |
115 | name_(name), | |
116 | capture_state_(Stopped), | |
117 | cur_samplerate_(0), | |
118 | data_saved_(true) | |
119 | { | |
120 | } | |
121 | ||
122 | Session::~Session() | |
123 | { | |
124 | // Stop and join to the thread | |
125 | stop_capture(); | |
126 | } | |
127 | ||
128 | DeviceManager& Session::device_manager() | |
129 | { | |
130 | return device_manager_; | |
131 | } | |
132 | ||
133 | const DeviceManager& Session::device_manager() const | |
134 | { | |
135 | return device_manager_; | |
136 | } | |
137 | ||
138 | shared_ptr<sigrok::Session> Session::session() const | |
139 | { | |
140 | if (!device_) | |
141 | return shared_ptr<sigrok::Session>(); | |
142 | return device_->session(); | |
143 | } | |
144 | ||
145 | shared_ptr<devices::Device> Session::device() const | |
146 | { | |
147 | return device_; | |
148 | } | |
149 | ||
150 | QString Session::name() const | |
151 | { | |
152 | return name_; | |
153 | } | |
154 | ||
155 | void Session::set_name(QString name) | |
156 | { | |
157 | if (default_name_.isEmpty()) | |
158 | default_name_ = name; | |
159 | ||
160 | name_ = name; | |
161 | ||
162 | name_changed(); | |
163 | } | |
164 | ||
165 | const list< shared_ptr<views::ViewBase> > Session::views() const | |
166 | { | |
167 | return views_; | |
168 | } | |
169 | ||
170 | shared_ptr<views::ViewBase> Session::main_view() const | |
171 | { | |
172 | return main_view_; | |
173 | } | |
174 | ||
175 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
176 | { | |
177 | main_bar_ = main_bar; | |
178 | } | |
179 | ||
180 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
181 | { | |
182 | return main_bar_; | |
183 | } | |
184 | ||
185 | bool Session::data_saved() const | |
186 | { | |
187 | return data_saved_; | |
188 | } | |
189 | ||
190 | void Session::save_setup(QSettings &settings) const | |
191 | { | |
192 | int decode_signals = 0, views = 0; | |
193 | ||
194 | // Save channels and decoders | |
195 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
196 | #ifdef ENABLE_DECODE | |
197 | if (base->is_decode_signal()) { | |
198 | settings.beginGroup("decode_signal" + QString::number(decode_signals++)); | |
199 | base->save_settings(settings); | |
200 | settings.endGroup(); | |
201 | } else | |
202 | #endif | |
203 | { | |
204 | settings.beginGroup(base->internal_name()); | |
205 | base->save_settings(settings); | |
206 | settings.endGroup(); | |
207 | } | |
208 | } | |
209 | ||
210 | settings.setValue("decode_signals", decode_signals); | |
211 | ||
212 | // Save view states and their signal settings | |
213 | // Note: main_view must be saved as view0 | |
214 | settings.beginGroup("view" + QString::number(views++)); | |
215 | main_view_->save_settings(settings); | |
216 | settings.endGroup(); | |
217 | ||
218 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
219 | if (view != main_view_) { | |
220 | settings.beginGroup("view" + QString::number(views++)); | |
221 | view->save_settings(settings); | |
222 | settings.endGroup(); | |
223 | } | |
224 | } | |
225 | ||
226 | settings.setValue("views", views); | |
227 | } | |
228 | ||
229 | void Session::save_settings(QSettings &settings) const | |
230 | { | |
231 | map<string, string> dev_info; | |
232 | list<string> key_list; | |
233 | ||
234 | if (device_) { | |
235 | shared_ptr<devices::HardwareDevice> hw_device = | |
236 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
237 | ||
238 | if (hw_device) { | |
239 | settings.setValue("device_type", "hardware"); | |
240 | settings.beginGroup("device"); | |
241 | ||
242 | key_list.emplace_back("vendor"); | |
243 | key_list.emplace_back("model"); | |
244 | key_list.emplace_back("version"); | |
245 | key_list.emplace_back("serial_num"); | |
246 | key_list.emplace_back("connection_id"); | |
247 | ||
248 | dev_info = device_manager_.get_device_info(device_); | |
249 | ||
250 | for (string& key : key_list) { | |
251 | if (dev_info.count(key)) | |
252 | settings.setValue(QString::fromUtf8(key.c_str()), | |
253 | QString::fromUtf8(dev_info.at(key).c_str())); | |
254 | else | |
255 | settings.remove(QString::fromUtf8(key.c_str())); | |
256 | } | |
257 | ||
258 | settings.endGroup(); | |
259 | } | |
260 | ||
261 | shared_ptr<devices::SessionFile> sessionfile_device = | |
262 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
263 | ||
264 | if (sessionfile_device) { | |
265 | settings.setValue("device_type", "sessionfile"); | |
266 | settings.beginGroup("device"); | |
267 | settings.setValue("filename", QString::fromStdString( | |
268 | sessionfile_device->full_name())); | |
269 | settings.endGroup(); | |
270 | } | |
271 | ||
272 | shared_ptr<devices::InputFile> inputfile_device = | |
273 | dynamic_pointer_cast<devices::InputFile>(device_); | |
274 | ||
275 | if (inputfile_device) { | |
276 | settings.setValue("device_type", "inputfile"); | |
277 | settings.beginGroup("device"); | |
278 | inputfile_device->save_meta_to_settings(settings); | |
279 | settings.endGroup(); | |
280 | } | |
281 | ||
282 | save_setup(settings); | |
283 | } | |
284 | } | |
285 | ||
286 | void Session::restore_setup(QSettings &settings) | |
287 | { | |
288 | // Restore channels | |
289 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
290 | settings.beginGroup(base->internal_name()); | |
291 | base->restore_settings(settings); | |
292 | settings.endGroup(); | |
293 | } | |
294 | ||
295 | // Restore decoders | |
296 | #ifdef ENABLE_DECODE | |
297 | int decode_signals = settings.value("decode_signals").toInt(); | |
298 | ||
299 | for (int i = 0; i < decode_signals; i++) { | |
300 | settings.beginGroup("decode_signal" + QString::number(i)); | |
301 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
302 | signal->restore_settings(settings); | |
303 | settings.endGroup(); | |
304 | } | |
305 | #endif | |
306 | ||
307 | // Restore views | |
308 | int views = settings.value("views").toInt(); | |
309 | ||
310 | for (int i = 0; i < views; i++) { | |
311 | settings.beginGroup("view" + QString::number(i)); | |
312 | ||
313 | if (i > 0) { | |
314 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
315 | add_view(name_, type, this); | |
316 | views_.back()->restore_settings(settings); | |
317 | } else | |
318 | main_view_->restore_settings(settings); | |
319 | ||
320 | settings.endGroup(); | |
321 | } | |
322 | } | |
323 | ||
324 | void Session::restore_settings(QSettings &settings) | |
325 | { | |
326 | shared_ptr<devices::Device> device; | |
327 | ||
328 | QString device_type = settings.value("device_type").toString(); | |
329 | ||
330 | if (device_type == "hardware") { | |
331 | map<string, string> dev_info; | |
332 | list<string> key_list; | |
333 | ||
334 | // Re-select last used device if possible but only if it's not demo | |
335 | settings.beginGroup("device"); | |
336 | key_list.emplace_back("vendor"); | |
337 | key_list.emplace_back("model"); | |
338 | key_list.emplace_back("version"); | |
339 | key_list.emplace_back("serial_num"); | |
340 | key_list.emplace_back("connection_id"); | |
341 | ||
342 | for (string key : key_list) { | |
343 | const QString k = QString::fromStdString(key); | |
344 | if (!settings.contains(k)) | |
345 | continue; | |
346 | ||
347 | const string value = settings.value(k).toString().toStdString(); | |
348 | if (!value.empty()) | |
349 | dev_info.insert(make_pair(key, value)); | |
350 | } | |
351 | ||
352 | if (dev_info.count("model") > 0) | |
353 | device = device_manager_.find_device_from_info(dev_info); | |
354 | ||
355 | if (device) | |
356 | set_device(device); | |
357 | ||
358 | settings.endGroup(); | |
359 | } | |
360 | ||
361 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
362 | if (device_type == "sessionfile") { | |
363 | settings.beginGroup("device"); | |
364 | QString filename = settings.value("filename").toString(); | |
365 | settings.endGroup(); | |
366 | ||
367 | if (QFileInfo(filename).isReadable()) { | |
368 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
369 | filename.toStdString()); | |
370 | } | |
371 | } | |
372 | ||
373 | if (device_type == "inputfile") { | |
374 | settings.beginGroup("device"); | |
375 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
376 | settings); | |
377 | settings.endGroup(); | |
378 | } | |
379 | ||
380 | if (device) { | |
381 | set_device(device); | |
382 | ||
383 | start_capture([](QString infoMessage) { | |
384 | // TODO Emulate noquote() | |
385 | qDebug() << "Session error:" << infoMessage; }); | |
386 | ||
387 | set_name(QString::fromStdString( | |
388 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
389 | } | |
390 | } | |
391 | ||
392 | if (device) | |
393 | restore_setup(settings); | |
394 | } | |
395 | ||
396 | void Session::select_device(shared_ptr<devices::Device> device) | |
397 | { | |
398 | try { | |
399 | if (device) | |
400 | set_device(device); | |
401 | else | |
402 | set_default_device(); | |
403 | } catch (const QString &e) { | |
404 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
405 | } | |
406 | } | |
407 | ||
408 | void Session::set_device(shared_ptr<devices::Device> device) | |
409 | { | |
410 | assert(device); | |
411 | ||
412 | // Ensure we are not capturing before setting the device | |
413 | stop_capture(); | |
414 | ||
415 | if (device_) | |
416 | device_->close(); | |
417 | ||
418 | device_.reset(); | |
419 | ||
420 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
421 | name_ = default_name_; | |
422 | name_changed(); | |
423 | ||
424 | // Remove all stored data and reset all views | |
425 | for (shared_ptr<views::ViewBase> view : views_) { | |
426 | view->clear_signals(); | |
427 | #ifdef ENABLE_DECODE | |
428 | view->clear_decode_signals(); | |
429 | #endif | |
430 | view->reset_view_state(); | |
431 | } | |
432 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
433 | d->clear(); | |
434 | all_signal_data_.clear(); | |
435 | signalbases_.clear(); | |
436 | cur_logic_segment_.reset(); | |
437 | ||
438 | for (auto& entry : cur_analog_segments_) { | |
439 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
440 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
441 | } | |
442 | ||
443 | logic_data_.reset(); | |
444 | ||
445 | signals_changed(); | |
446 | ||
447 | device_ = move(device); | |
448 | ||
449 | try { | |
450 | device_->open(); | |
451 | } catch (const QString &e) { | |
452 | device_.reset(); | |
453 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
454 | } | |
455 | ||
456 | if (device_) { | |
457 | device_->session()->add_datafeed_callback([=] | |
458 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
459 | data_feed_in(device, packet); | |
460 | }); | |
461 | ||
462 | update_signals(); | |
463 | } | |
464 | ||
465 | device_changed(); | |
466 | } | |
467 | ||
468 | void Session::set_default_device() | |
469 | { | |
470 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
471 | device_manager_.devices(); | |
472 | ||
473 | if (devices.empty()) | |
474 | return; | |
475 | ||
476 | // Try and find the demo device and select that by default | |
477 | const auto iter = find_if(devices.begin(), devices.end(), | |
478 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
479 | return d->hardware_device()->driver()->name() == "demo"; }); | |
480 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
481 | } | |
482 | ||
483 | /** | |
484 | * Convert generic options to data types that are specific to InputFormat. | |
485 | * | |
486 | * @param[in] user_spec Vector of tokenized words, string format. | |
487 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
488 | * | |
489 | * @return Map of options suitable for InputFormat::create_input(). | |
490 | */ | |
491 | map<string, Glib::VariantBase> | |
492 | Session::input_format_options(vector<string> user_spec, | |
493 | map<string, shared_ptr<Option>> fmt_opts) | |
494 | { | |
495 | map<string, Glib::VariantBase> result; | |
496 | ||
497 | for (auto& entry : user_spec) { | |
498 | /* | |
499 | * Split key=value specs. Accept entries without separator | |
500 | * (for simplified boolean specifications). | |
501 | */ | |
502 | string key, val; | |
503 | size_t pos = entry.find("="); | |
504 | if (pos == std::string::npos) { | |
505 | key = entry; | |
506 | val = ""; | |
507 | } else { | |
508 | key = entry.substr(0, pos); | |
509 | val = entry.substr(pos + 1); | |
510 | } | |
511 | ||
512 | /* | |
513 | * Skip user specifications that are not a member of the | |
514 | * format's set of supported options. Have the text input | |
515 | * spec converted to the required input format specific | |
516 | * data type. | |
517 | */ | |
518 | auto found = fmt_opts.find(key); | |
519 | if (found == fmt_opts.end()) | |
520 | continue; | |
521 | shared_ptr<Option> opt = found->second; | |
522 | result[key] = opt->parse_string(val); | |
523 | } | |
524 | ||
525 | return result; | |
526 | } | |
527 | ||
528 | void Session::load_init_file(const string &file_name, | |
529 | const string &format, const string &setup_file_name) | |
530 | { | |
531 | shared_ptr<InputFormat> input_format; | |
532 | map<string, Glib::VariantBase> input_opts; | |
533 | ||
534 | if (!format.empty()) { | |
535 | const map<string, shared_ptr<InputFormat> > formats = | |
536 | device_manager_.context()->input_formats(); | |
537 | auto user_opts = pv::util::split_string(format, ":"); | |
538 | string user_name = user_opts.front(); | |
539 | user_opts.erase(user_opts.begin()); | |
540 | const auto iter = find_if(formats.begin(), formats.end(), | |
541 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
542 | return f.first == user_name; }); | |
543 | if (iter == formats.end()) { | |
544 | MainWindow::show_session_error(tr("Error"), | |
545 | tr("Unexpected input format: %s").arg(QString::fromStdString(format))); | |
546 | return; | |
547 | } | |
548 | input_format = (*iter).second; | |
549 | input_opts = input_format_options(user_opts, | |
550 | input_format->options()); | |
551 | } | |
552 | ||
553 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
554 | input_format, input_opts); | |
555 | } | |
556 | ||
557 | void Session::load_file(QString file_name, QString setup_file_name, | |
558 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
559 | { | |
560 | const QString errorMessage( | |
561 | QString("Failed to load file %1").arg(file_name)); | |
562 | ||
563 | // In the absence of a caller's format spec, try to auto detect. | |
564 | // Assume "sigrok session file" upon lookup miss. | |
565 | if (!format) | |
566 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
567 | try { | |
568 | if (format) | |
569 | set_device(shared_ptr<devices::Device>( | |
570 | new devices::InputFile( | |
571 | device_manager_.context(), | |
572 | file_name.toStdString(), | |
573 | format, options))); | |
574 | else | |
575 | set_device(shared_ptr<devices::Device>( | |
576 | new devices::SessionFile( | |
577 | device_manager_.context(), | |
578 | file_name.toStdString()))); | |
579 | } catch (Error& e) { | |
580 | MainWindow::show_session_error(tr("Failed to load ") + file_name, e.what()); | |
581 | set_default_device(); | |
582 | main_bar_->update_device_list(); | |
583 | return; | |
584 | } | |
585 | ||
586 | // Use the input file with .pvs extension if no setup file was given | |
587 | if (setup_file_name.isEmpty()) { | |
588 | setup_file_name = file_name; | |
589 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
590 | setup_file_name.append(".pvs"); | |
591 | } | |
592 | ||
593 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
594 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
595 | restore_setup(settings_storage); | |
596 | } | |
597 | ||
598 | main_bar_->update_device_list(); | |
599 | ||
600 | start_capture([&, errorMessage](QString infoMessage) { | |
601 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
602 | ||
603 | set_name(QFileInfo(file_name).fileName()); | |
604 | } | |
605 | ||
606 | Session::capture_state Session::get_capture_state() const | |
607 | { | |
608 | lock_guard<mutex> lock(sampling_mutex_); | |
609 | return capture_state_; | |
610 | } | |
611 | ||
612 | void Session::start_capture(function<void (const QString)> error_handler) | |
613 | { | |
614 | if (!device_) { | |
615 | error_handler(tr("No active device set, can't start acquisition.")); | |
616 | return; | |
617 | } | |
618 | ||
619 | stop_capture(); | |
620 | ||
621 | // Check that at least one channel is enabled | |
622 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
623 | if (sr_dev) { | |
624 | const auto channels = sr_dev->channels(); | |
625 | if (!any_of(channels.begin(), channels.end(), | |
626 | [](shared_ptr<Channel> channel) { | |
627 | return channel->enabled(); })) { | |
628 | error_handler(tr("No channels enabled.")); | |
629 | return; | |
630 | } | |
631 | } | |
632 | ||
633 | // Clear signal data | |
634 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
635 | d->clear(); | |
636 | ||
637 | trigger_list_.clear(); | |
638 | ||
639 | // Revert name back to default name (e.g. "Session 1") for real devices | |
640 | // as the (possibly saved) data is gone. File devices keep their name. | |
641 | shared_ptr<devices::HardwareDevice> hw_device = | |
642 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
643 | ||
644 | if (hw_device) { | |
645 | name_ = default_name_; | |
646 | name_changed(); | |
647 | } | |
648 | ||
649 | // Begin the session | |
650 | sampling_thread_ = std::thread( | |
651 | &Session::sample_thread_proc, this, error_handler); | |
652 | } | |
653 | ||
654 | void Session::stop_capture() | |
655 | { | |
656 | if (get_capture_state() != Stopped) | |
657 | device_->stop(); | |
658 | ||
659 | // Check that sampling stopped | |
660 | if (sampling_thread_.joinable()) | |
661 | sampling_thread_.join(); | |
662 | } | |
663 | ||
664 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
665 | { | |
666 | if (views_.empty()) { | |
667 | main_view_ = view; | |
668 | } | |
669 | ||
670 | views_.push_back(view); | |
671 | ||
672 | // Add all device signals | |
673 | update_signals(); | |
674 | ||
675 | // Add all other signals | |
676 | unordered_set< shared_ptr<data::SignalBase> > view_signalbases = | |
677 | view->signalbases(); | |
678 | ||
679 | views::trace::View *trace_view = | |
680 | qobject_cast<views::trace::View*>(view.get()); | |
681 | ||
682 | if (trace_view) { | |
683 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
684 | const int sb_exists = count_if( | |
685 | view_signalbases.cbegin(), view_signalbases.cend(), | |
686 | [&](const shared_ptr<data::SignalBase> &sb) { | |
687 | return sb == signalbase; | |
688 | }); | |
689 | // Add the signal to the view as it doesn't have it yet | |
690 | if (!sb_exists) | |
691 | switch (signalbase->type()) { | |
692 | case data::SignalBase::AnalogChannel: | |
693 | case data::SignalBase::LogicChannel: | |
694 | case data::SignalBase::DecodeChannel: | |
695 | #ifdef ENABLE_DECODE | |
696 | trace_view->add_decode_signal( | |
697 | dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
698 | #endif | |
699 | break; | |
700 | case data::SignalBase::MathChannel: | |
701 | // TBD | |
702 | break; | |
703 | } | |
704 | } | |
705 | } | |
706 | ||
707 | signals_changed(); | |
708 | } | |
709 | ||
710 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
711 | { | |
712 | views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; }); | |
713 | ||
714 | if (views_.empty()) { | |
715 | main_view_.reset(); | |
716 | ||
717 | // Without a view there can be no main bar | |
718 | main_bar_.reset(); | |
719 | } | |
720 | } | |
721 | ||
722 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
723 | { | |
724 | for (shared_ptr<views::ViewBase>& v : views_) | |
725 | if (v == view) | |
726 | return true; | |
727 | ||
728 | return false; | |
729 | } | |
730 | ||
731 | double Session::get_samplerate() const | |
732 | { | |
733 | double samplerate = 0.0; | |
734 | ||
735 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
736 | assert(d); | |
737 | const vector< shared_ptr<pv::data::Segment> > segments = | |
738 | d->segments(); | |
739 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
740 | samplerate = max(samplerate, s->samplerate()); | |
741 | } | |
742 | // If there is no sample rate given we use samples as unit | |
743 | if (samplerate == 0.0) | |
744 | samplerate = 1.0; | |
745 | ||
746 | return samplerate; | |
747 | } | |
748 | ||
749 | uint32_t Session::get_segment_count() const | |
750 | { | |
751 | uint32_t value = 0; | |
752 | ||
753 | // Find the highest number of segments | |
754 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) | |
755 | if (data->get_segment_count() > value) | |
756 | value = data->get_segment_count(); | |
757 | ||
758 | return value; | |
759 | } | |
760 | ||
761 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
762 | { | |
763 | vector<util::Timestamp> result; | |
764 | ||
765 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
766 | if (entry.first == segment_id) | |
767 | result.push_back(entry.second); | |
768 | ||
769 | return result; | |
770 | } | |
771 | ||
772 | const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const | |
773 | { | |
774 | return signalbases_; | |
775 | } | |
776 | ||
777 | bool Session::all_segments_complete(uint32_t segment_id) const | |
778 | { | |
779 | bool all_complete = true; | |
780 | ||
781 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
782 | if (!base->segment_is_complete(segment_id)) | |
783 | all_complete = false; | |
784 | ||
785 | return all_complete; | |
786 | } | |
787 | ||
788 | #ifdef ENABLE_DECODE | |
789 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
790 | { | |
791 | shared_ptr<data::DecodeSignal> signal; | |
792 | ||
793 | try { | |
794 | // Create the decode signal | |
795 | signal = make_shared<data::DecodeSignal>(*this); | |
796 | ||
797 | signalbases_.insert(signal); | |
798 | ||
799 | // Add the decode signal to all views | |
800 | for (shared_ptr<views::ViewBase>& view : views_) | |
801 | view->add_decode_signal(signal); | |
802 | } catch (runtime_error& e) { | |
803 | remove_decode_signal(signal); | |
804 | return nullptr; | |
805 | } | |
806 | ||
807 | signals_changed(); | |
808 | ||
809 | return signal; | |
810 | } | |
811 | ||
812 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
813 | { | |
814 | signalbases_.erase(signal); | |
815 | ||
816 | for (shared_ptr<views::ViewBase>& view : views_) | |
817 | view->remove_decode_signal(signal); | |
818 | ||
819 | signals_changed(); | |
820 | } | |
821 | #endif | |
822 | ||
823 | void Session::set_capture_state(capture_state state) | |
824 | { | |
825 | bool changed; | |
826 | ||
827 | if (state == Running) | |
828 | acq_time_.restart(); | |
829 | if (state == Stopped) | |
830 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
831 | ||
832 | { | |
833 | lock_guard<mutex> lock(sampling_mutex_); | |
834 | changed = capture_state_ != state; | |
835 | capture_state_ = state; | |
836 | } | |
837 | ||
838 | if (changed) | |
839 | capture_state_changed(state); | |
840 | } | |
841 | ||
842 | void Session::update_signals() | |
843 | { | |
844 | if (!device_) { | |
845 | signalbases_.clear(); | |
846 | logic_data_.reset(); | |
847 | for (shared_ptr<views::ViewBase>& view : views_) { | |
848 | view->clear_signals(); | |
849 | #ifdef ENABLE_DECODE | |
850 | view->clear_decode_signals(); | |
851 | #endif | |
852 | } | |
853 | return; | |
854 | } | |
855 | ||
856 | lock_guard<recursive_mutex> lock(data_mutex_); | |
857 | ||
858 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
859 | if (!sr_dev) { | |
860 | signalbases_.clear(); | |
861 | logic_data_.reset(); | |
862 | for (shared_ptr<views::ViewBase>& view : views_) { | |
863 | view->clear_signals(); | |
864 | #ifdef ENABLE_DECODE | |
865 | view->clear_decode_signals(); | |
866 | #endif | |
867 | } | |
868 | return; | |
869 | } | |
870 | ||
871 | // Detect what data types we will receive | |
872 | auto channels = sr_dev->channels(); | |
873 | unsigned int logic_channel_count = count_if( | |
874 | channels.begin(), channels.end(), | |
875 | [] (shared_ptr<Channel> channel) { | |
876 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
877 | ||
878 | // Create data containers for the logic data segments | |
879 | { | |
880 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
881 | ||
882 | if (logic_channel_count == 0) { | |
883 | logic_data_.reset(); | |
884 | } else if (!logic_data_ || | |
885 | logic_data_->num_channels() != logic_channel_count) { | |
886 | logic_data_.reset(new data::Logic( | |
887 | logic_channel_count)); | |
888 | assert(logic_data_); | |
889 | } | |
890 | } | |
891 | ||
892 | // Make the signals list | |
893 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
894 | views::trace::View *trace_view = | |
895 | qobject_cast<views::trace::View*>(viewbase.get()); | |
896 | ||
897 | if (trace_view) { | |
898 | unordered_set< shared_ptr<views::trace::Signal> > | |
899 | prev_sigs(trace_view->signals()); | |
900 | trace_view->clear_signals(); | |
901 | ||
902 | for (auto channel : sr_dev->channels()) { | |
903 | shared_ptr<data::SignalBase> signalbase; | |
904 | shared_ptr<views::trace::Signal> signal; | |
905 | ||
906 | // Find the channel in the old signals | |
907 | const auto iter = find_if( | |
908 | prev_sigs.cbegin(), prev_sigs.cend(), | |
909 | [&](const shared_ptr<views::trace::Signal> &s) { | |
910 | return s->base()->channel() == channel; | |
911 | }); | |
912 | if (iter != prev_sigs.end()) { | |
913 | // Copy the signal from the old set to the new | |
914 | signal = *iter; | |
915 | trace_view->add_signal(signal); | |
916 | } else { | |
917 | // Find the signalbase for this channel if possible | |
918 | signalbase.reset(); | |
919 | for (const shared_ptr<data::SignalBase>& b : signalbases_) | |
920 | if (b->channel() == channel) | |
921 | signalbase = b; | |
922 | ||
923 | switch(channel->type()->id()) { | |
924 | case SR_CHANNEL_LOGIC: | |
925 | if (!signalbase) { | |
926 | signalbase = make_shared<data::SignalBase>(channel, | |
927 | data::SignalBase::LogicChannel); | |
928 | signalbases_.insert(signalbase); | |
929 | ||
930 | all_signal_data_.insert(logic_data_); | |
931 | signalbase->set_data(logic_data_); | |
932 | ||
933 | connect(this, SIGNAL(capture_state_changed(int)), | |
934 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
935 | } | |
936 | ||
937 | signal = shared_ptr<views::trace::Signal>( | |
938 | new views::trace::LogicSignal(*this, | |
939 | device_, signalbase)); | |
940 | trace_view->add_signal(signal); | |
941 | break; | |
942 | ||
943 | case SR_CHANNEL_ANALOG: | |
944 | { | |
945 | if (!signalbase) { | |
946 | signalbase = make_shared<data::SignalBase>(channel, | |
947 | data::SignalBase::AnalogChannel); | |
948 | signalbases_.insert(signalbase); | |
949 | ||
950 | shared_ptr<data::Analog> data(new data::Analog()); | |
951 | all_signal_data_.insert(data); | |
952 | signalbase->set_data(data); | |
953 | ||
954 | connect(this, SIGNAL(capture_state_changed(int)), | |
955 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
956 | } | |
957 | ||
958 | signal = shared_ptr<views::trace::Signal>( | |
959 | new views::trace::AnalogSignal( | |
960 | *this, signalbase)); | |
961 | trace_view->add_signal(signal); | |
962 | break; | |
963 | } | |
964 | ||
965 | default: | |
966 | assert(false); | |
967 | break; | |
968 | } | |
969 | } | |
970 | } | |
971 | } | |
972 | } | |
973 | ||
974 | signals_changed(); | |
975 | } | |
976 | ||
977 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
978 | shared_ptr<sigrok::Channel> channel) const | |
979 | { | |
980 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
981 | assert(sig); | |
982 | if (sig->channel() == channel) | |
983 | return sig; | |
984 | } | |
985 | return shared_ptr<data::SignalBase>(); | |
986 | } | |
987 | ||
988 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
989 | { | |
990 | assert(error_handler); | |
991 | ||
992 | #ifdef ENABLE_FLOW | |
993 | pipeline_ = Pipeline::create(); | |
994 | ||
995 | source_ = ElementFactory::create_element("filesrc", "source"); | |
996 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
997 | ||
998 | pipeline_->add(source_)->add(sink_); | |
999 | source_->link(sink_); | |
1000 | ||
1001 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1002 | ||
1003 | sink_->set_property("emit-signals", TRUE); | |
1004 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1005 | ||
1006 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1007 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1008 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1009 | ||
1010 | // Start pipeline and Wait until it finished processing | |
1011 | pipeline_done_interrupt_ = false; | |
1012 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1013 | ||
1014 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1015 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1016 | ||
1017 | // Let the pipeline free all resources | |
1018 | pipeline_->set_state(Gst::STATE_NULL); | |
1019 | ||
1020 | #else | |
1021 | if (!device_) | |
1022 | return; | |
1023 | ||
1024 | try { | |
1025 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1026 | } catch (Error& e) { | |
1027 | cur_samplerate_ = 0; | |
1028 | } | |
1029 | ||
1030 | out_of_memory_ = false; | |
1031 | ||
1032 | { | |
1033 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1034 | cur_logic_segment_.reset(); | |
1035 | cur_analog_segments_.clear(); | |
1036 | } | |
1037 | highest_segment_id_ = -1; | |
1038 | frame_began_ = false; | |
1039 | ||
1040 | try { | |
1041 | device_->start(); | |
1042 | } catch (Error& e) { | |
1043 | error_handler(e.what()); | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | set_capture_state(device_->session()->trigger() ? | |
1048 | AwaitingTrigger : Running); | |
1049 | ||
1050 | try { | |
1051 | device_->run(); | |
1052 | } catch (Error& e) { | |
1053 | error_handler(e.what()); | |
1054 | set_capture_state(Stopped); | |
1055 | return; | |
1056 | } catch (QString& e) { | |
1057 | error_handler(e); | |
1058 | set_capture_state(Stopped); | |
1059 | return; | |
1060 | } | |
1061 | ||
1062 | set_capture_state(Stopped); | |
1063 | ||
1064 | // Confirm that SR_DF_END was received | |
1065 | if (cur_logic_segment_) | |
1066 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1067 | #endif | |
1068 | ||
1069 | // Optimize memory usage | |
1070 | free_unused_memory(); | |
1071 | ||
1072 | // We now have unsaved data unless we just "captured" from a file | |
1073 | shared_ptr<devices::File> file_device = | |
1074 | dynamic_pointer_cast<devices::File>(device_); | |
1075 | ||
1076 | if (!file_device) | |
1077 | data_saved_ = false; | |
1078 | ||
1079 | if (out_of_memory_) | |
1080 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1081 | } | |
1082 | ||
1083 | void Session::free_unused_memory() | |
1084 | { | |
1085 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1086 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1087 | ||
1088 | for (const shared_ptr<data::Segment>& segment : segments) | |
1089 | segment->free_unused_memory(); | |
1090 | } | |
1091 | } | |
1092 | ||
1093 | void Session::signal_new_segment() | |
1094 | { | |
1095 | int new_segment_id = 0; | |
1096 | ||
1097 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1098 | ||
1099 | // Determine new frame/segment number, assuming that all | |
1100 | // signals have the same number of frames/segments | |
1101 | if (cur_logic_segment_) { | |
1102 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1103 | } else { | |
1104 | shared_ptr<sigrok::Channel> any_channel = | |
1105 | (*cur_analog_segments_.begin()).first; | |
1106 | ||
1107 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1108 | assert(base); | |
1109 | ||
1110 | shared_ptr<data::Analog> data(base->analog_data()); | |
1111 | assert(data); | |
1112 | ||
1113 | new_segment_id = data->get_segment_count() - 1; | |
1114 | } | |
1115 | } | |
1116 | ||
1117 | if (new_segment_id > highest_segment_id_) { | |
1118 | highest_segment_id_ = new_segment_id; | |
1119 | new_segment(highest_segment_id_); | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | void Session::signal_segment_completed() | |
1124 | { | |
1125 | int segment_id = 0; | |
1126 | ||
1127 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1128 | // We only care about analog and logic channels, not derived ones | |
1129 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1130 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1131 | break; | |
1132 | } | |
1133 | ||
1134 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1135 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1136 | break; | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | if (segment_id >= 0) | |
1141 | segment_completed(segment_id); | |
1142 | } | |
1143 | ||
1144 | #ifdef ENABLE_FLOW | |
1145 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1146 | { | |
1147 | (void)bus; | |
1148 | ||
1149 | if ((message->get_source() == pipeline_) && \ | |
1150 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1151 | pipeline_done_cond_.notify_one(); | |
1152 | ||
1153 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1154 | ||
1155 | return true; | |
1156 | } | |
1157 | ||
1158 | Gst::FlowReturn Session::on_gst_new_sample() | |
1159 | { | |
1160 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1161 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1162 | ||
1163 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1164 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1165 | Gst::MapInfo mapinfo; | |
1166 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1167 | ||
1168 | shared_ptr<sigrok::Packet> logic_packet = | |
1169 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1170 | ||
1171 | try { | |
1172 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1173 | } catch (bad_alloc&) { | |
1174 | out_of_memory_ = true; | |
1175 | device_->stop(); | |
1176 | buf_mem->unmap(mapinfo); | |
1177 | return Gst::FLOW_ERROR; | |
1178 | } | |
1179 | ||
1180 | buf_mem->unmap(mapinfo); | |
1181 | } | |
1182 | ||
1183 | return Gst::FLOW_OK; | |
1184 | } | |
1185 | #endif | |
1186 | ||
1187 | void Session::feed_in_header() | |
1188 | { | |
1189 | // Nothing to do here for now | |
1190 | } | |
1191 | ||
1192 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1193 | { | |
1194 | for (auto& entry : meta->config()) { | |
1195 | switch (entry.first->id()) { | |
1196 | case SR_CONF_SAMPLERATE: | |
1197 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1198 | break; | |
1199 | default: | |
1200 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1201 | break; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | signals_changed(); | |
1206 | } | |
1207 | ||
1208 | void Session::feed_in_trigger() | |
1209 | { | |
1210 | // The channel containing most samples should be most accurate | |
1211 | uint64_t sample_count = 0; | |
1212 | ||
1213 | { | |
1214 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1215 | assert(d); | |
1216 | uint64_t temp_count = 0; | |
1217 | ||
1218 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1219 | d->segments(); | |
1220 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1221 | temp_count += s->get_sample_count(); | |
1222 | ||
1223 | if (temp_count > sample_count) | |
1224 | sample_count = temp_count; | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1229 | ||
1230 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1231 | // the trigger. However, as new segments are only created when logic or | |
1232 | // analog data comes in, this doesn't work if the trigger appears right | |
1233 | // after the beginning of the frame, before any sample data. | |
1234 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1235 | // yet and the highest segment ID otherwise. | |
1236 | if (frame_began_) { | |
1237 | segment_id = highest_segment_id_; | |
1238 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1239 | segment_id++; | |
1240 | } | |
1241 | ||
1242 | // TODO Create timestamp from segment start time + segment's current sample count | |
1243 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1244 | trigger_list_.emplace_back(segment_id, timestamp); | |
1245 | trigger_event(segment_id, timestamp); | |
1246 | } | |
1247 | ||
1248 | void Session::feed_in_frame_begin() | |
1249 | { | |
1250 | frame_began_ = true; | |
1251 | } | |
1252 | ||
1253 | void Session::feed_in_frame_end() | |
1254 | { | |
1255 | if (!frame_began_) | |
1256 | return; | |
1257 | ||
1258 | { | |
1259 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1260 | ||
1261 | if (cur_logic_segment_) | |
1262 | cur_logic_segment_->set_complete(); | |
1263 | ||
1264 | for (auto& entry : cur_analog_segments_) { | |
1265 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1266 | segment->set_complete(); | |
1267 | } | |
1268 | ||
1269 | cur_logic_segment_.reset(); | |
1270 | cur_analog_segments_.clear(); | |
1271 | } | |
1272 | ||
1273 | frame_began_ = false; | |
1274 | ||
1275 | signal_segment_completed(); | |
1276 | } | |
1277 | ||
1278 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
1279 | { | |
1280 | if (logic->data_length() == 0) { | |
1281 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1282 | return; | |
1283 | } | |
1284 | ||
1285 | if (logic->unit_size() > 8) | |
1286 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1287 | ||
1288 | if (!cur_samplerate_) | |
1289 | try { | |
1290 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1291 | } catch (Error& e) { | |
1292 | // Do nothing | |
1293 | } | |
1294 | ||
1295 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1296 | ||
1297 | if (!logic_data_) { | |
1298 | // The only reason logic_data_ would not have been created is | |
1299 | // if it was not possible to determine the signals when the | |
1300 | // device was created. | |
1301 | update_signals(); | |
1302 | } | |
1303 | ||
1304 | if (!cur_logic_segment_) { | |
1305 | // This could be the first packet after a trigger | |
1306 | set_capture_state(Running); | |
1307 | ||
1308 | // Create a new data segment | |
1309 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1310 | *logic_data_, logic_data_->get_segment_count(), | |
1311 | logic->unit_size(), cur_samplerate_); | |
1312 | logic_data_->push_segment(cur_logic_segment_); | |
1313 | ||
1314 | signal_new_segment(); | |
1315 | } | |
1316 | ||
1317 | cur_logic_segment_->append_payload(logic); | |
1318 | ||
1319 | data_received(); | |
1320 | } | |
1321 | ||
1322 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
1323 | { | |
1324 | if (analog->num_samples() == 0) { | |
1325 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1326 | return; | |
1327 | } | |
1328 | ||
1329 | if (!cur_samplerate_) | |
1330 | try { | |
1331 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1332 | } catch (Error& e) { | |
1333 | // Do nothing | |
1334 | } | |
1335 | ||
1336 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1337 | ||
1338 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1339 | bool sweep_beginning = false; | |
1340 | ||
1341 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1342 | analog->get_data_as_float(data.get()); | |
1343 | ||
1344 | if (signalbases_.empty()) | |
1345 | update_signals(); | |
1346 | ||
1347 | float *channel_data = data.get(); | |
1348 | for (auto& channel : channels) { | |
1349 | shared_ptr<data::AnalogSegment> segment; | |
1350 | ||
1351 | // Try to get the segment of the channel | |
1352 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1353 | iterator iter = cur_analog_segments_.find(channel); | |
1354 | if (iter != cur_analog_segments_.end()) | |
1355 | segment = (*iter).second; | |
1356 | else { | |
1357 | // If no segment was found, this means we haven't | |
1358 | // created one yet. i.e. this is the first packet | |
1359 | // in the sweep containing this segment. | |
1360 | sweep_beginning = true; | |
1361 | ||
1362 | // Find the analog data associated with the channel | |
1363 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1364 | assert(base); | |
1365 | ||
1366 | shared_ptr<data::Analog> data(base->analog_data()); | |
1367 | assert(data); | |
1368 | ||
1369 | // Create a segment, keep it in the maps of channels | |
1370 | segment = make_shared<data::AnalogSegment>( | |
1371 | *data, data->get_segment_count(), cur_samplerate_); | |
1372 | cur_analog_segments_[channel] = segment; | |
1373 | ||
1374 | // Push the segment into the analog data. | |
1375 | data->push_segment(segment); | |
1376 | ||
1377 | signal_new_segment(); | |
1378 | } | |
1379 | ||
1380 | assert(segment); | |
1381 | ||
1382 | // Append the samples in the segment | |
1383 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1384 | channels.size()); | |
1385 | } | |
1386 | ||
1387 | if (sweep_beginning) { | |
1388 | // This could be the first packet after a trigger | |
1389 | set_capture_state(Running); | |
1390 | } | |
1391 | ||
1392 | data_received(); | |
1393 | } | |
1394 | ||
1395 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1396 | shared_ptr<Packet> packet) | |
1397 | { | |
1398 | (void)device; | |
1399 | ||
1400 | assert(device); | |
1401 | assert(device == device_->device()); | |
1402 | assert(packet); | |
1403 | ||
1404 | switch (packet->type()->id()) { | |
1405 | case SR_DF_HEADER: | |
1406 | feed_in_header(); | |
1407 | break; | |
1408 | ||
1409 | case SR_DF_META: | |
1410 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1411 | break; | |
1412 | ||
1413 | case SR_DF_TRIGGER: | |
1414 | feed_in_trigger(); | |
1415 | break; | |
1416 | ||
1417 | case SR_DF_LOGIC: | |
1418 | try { | |
1419 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1420 | } catch (bad_alloc&) { | |
1421 | out_of_memory_ = true; | |
1422 | device_->stop(); | |
1423 | } | |
1424 | break; | |
1425 | ||
1426 | case SR_DF_ANALOG: | |
1427 | try { | |
1428 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1429 | } catch (bad_alloc&) { | |
1430 | out_of_memory_ = true; | |
1431 | device_->stop(); | |
1432 | } | |
1433 | break; | |
1434 | ||
1435 | case SR_DF_FRAME_BEGIN: | |
1436 | feed_in_frame_begin(); | |
1437 | break; | |
1438 | ||
1439 | case SR_DF_FRAME_END: | |
1440 | feed_in_frame_end(); | |
1441 | break; | |
1442 | ||
1443 | case SR_DF_END: | |
1444 | // Strictly speaking, this is performed when a frame end marker was | |
1445 | // received, so there's no point doing this again. However, not all | |
1446 | // devices use frames, and for those devices, we need to do it here. | |
1447 | { | |
1448 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1449 | ||
1450 | if (cur_logic_segment_) | |
1451 | cur_logic_segment_->set_complete(); | |
1452 | ||
1453 | for (auto& entry : cur_analog_segments_) { | |
1454 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1455 | segment->set_complete(); | |
1456 | } | |
1457 | ||
1458 | cur_logic_segment_.reset(); | |
1459 | cur_analog_segments_.clear(); | |
1460 | } | |
1461 | break; | |
1462 | ||
1463 | default: | |
1464 | break; | |
1465 | } | |
1466 | } | |
1467 | ||
1468 | void Session::on_data_saved() | |
1469 | { | |
1470 | data_saved_ = true; | |
1471 | } | |
1472 | ||
1473 | #ifdef ENABLE_DECODE | |
1474 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1475 | { | |
1476 | assert(decoders.size() > 0); | |
1477 | ||
1478 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1479 | ||
1480 | if (signal) | |
1481 | for (const srd_decoder* d : decoders) | |
1482 | signal->stack_decoder(d); | |
1483 | } | |
1484 | #endif | |
1485 | ||
1486 | } // namespace pv |