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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 | using pv::views::trace::Signal; | |
109 | using pv::views::trace::AnalogSignal; | |
110 | using pv::views::trace::LogicSignal; | |
111 | ||
112 | namespace pv { | |
113 | ||
114 | shared_ptr<sigrok::Context> Session::sr_context; | |
115 | ||
116 | Session::Session(DeviceManager &device_manager, QString name) : | |
117 | device_manager_(device_manager), | |
118 | default_name_(name), | |
119 | name_(name), | |
120 | capture_state_(Stopped), | |
121 | cur_samplerate_(0), | |
122 | data_saved_(true) | |
123 | { | |
124 | } | |
125 | ||
126 | Session::~Session() | |
127 | { | |
128 | // Stop and join to the thread | |
129 | stop_capture(); | |
130 | } | |
131 | ||
132 | DeviceManager& Session::device_manager() | |
133 | { | |
134 | return device_manager_; | |
135 | } | |
136 | ||
137 | const DeviceManager& Session::device_manager() const | |
138 | { | |
139 | return device_manager_; | |
140 | } | |
141 | ||
142 | shared_ptr<sigrok::Session> Session::session() const | |
143 | { | |
144 | if (!device_) | |
145 | return shared_ptr<sigrok::Session>(); | |
146 | return device_->session(); | |
147 | } | |
148 | ||
149 | shared_ptr<devices::Device> Session::device() const | |
150 | { | |
151 | return device_; | |
152 | } | |
153 | ||
154 | QString Session::name() const | |
155 | { | |
156 | return name_; | |
157 | } | |
158 | ||
159 | void Session::set_name(QString name) | |
160 | { | |
161 | if (default_name_.isEmpty()) | |
162 | default_name_ = name; | |
163 | ||
164 | name_ = name; | |
165 | ||
166 | name_changed(); | |
167 | } | |
168 | ||
169 | const list< shared_ptr<views::ViewBase> > Session::views() const | |
170 | { | |
171 | return views_; | |
172 | } | |
173 | ||
174 | shared_ptr<views::ViewBase> Session::main_view() const | |
175 | { | |
176 | return main_view_; | |
177 | } | |
178 | ||
179 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) | |
180 | { | |
181 | main_bar_ = main_bar; | |
182 | } | |
183 | ||
184 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
185 | { | |
186 | return main_bar_; | |
187 | } | |
188 | ||
189 | bool Session::data_saved() const | |
190 | { | |
191 | return data_saved_; | |
192 | } | |
193 | ||
194 | void Session::save_setup(QSettings &settings) const | |
195 | { | |
196 | int decode_signals = 0, views = 0; | |
197 | ||
198 | // Save channels and decoders | |
199 | for (const shared_ptr<data::SignalBase>& base : signalbases_) { | |
200 | #ifdef ENABLE_DECODE | |
201 | if (base->is_decode_signal()) { | |
202 | settings.beginGroup("decode_signal" + QString::number(decode_signals++)); | |
203 | base->save_settings(settings); | |
204 | settings.endGroup(); | |
205 | } else | |
206 | #endif | |
207 | { | |
208 | settings.beginGroup(base->internal_name()); | |
209 | base->save_settings(settings); | |
210 | settings.endGroup(); | |
211 | } | |
212 | } | |
213 | ||
214 | settings.setValue("decode_signals", decode_signals); | |
215 | ||
216 | // Save view states and their signal settings | |
217 | // Note: main_view must be saved as view0 | |
218 | settings.beginGroup("view" + QString::number(views++)); | |
219 | main_view_->save_settings(settings); | |
220 | settings.endGroup(); | |
221 | ||
222 | for (const shared_ptr<views::ViewBase>& view : views_) { | |
223 | if (view != main_view_) { | |
224 | settings.beginGroup("view" + QString::number(views++)); | |
225 | settings.setValue("type", view->get_type()); | |
226 | view->save_settings(settings); | |
227 | settings.endGroup(); | |
228 | } | |
229 | } | |
230 | ||
231 | settings.setValue("views", views); | |
232 | } | |
233 | ||
234 | void Session::save_settings(QSettings &settings) const | |
235 | { | |
236 | map<string, string> dev_info; | |
237 | list<string> key_list; | |
238 | ||
239 | if (device_) { | |
240 | shared_ptr<devices::HardwareDevice> hw_device = | |
241 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
242 | ||
243 | if (hw_device) { | |
244 | settings.setValue("device_type", "hardware"); | |
245 | settings.beginGroup("device"); | |
246 | ||
247 | key_list.emplace_back("vendor"); | |
248 | key_list.emplace_back("model"); | |
249 | key_list.emplace_back("version"); | |
250 | key_list.emplace_back("serial_num"); | |
251 | key_list.emplace_back("connection_id"); | |
252 | ||
253 | dev_info = device_manager_.get_device_info(device_); | |
254 | ||
255 | for (string& key : key_list) { | |
256 | if (dev_info.count(key)) | |
257 | settings.setValue(QString::fromUtf8(key.c_str()), | |
258 | QString::fromUtf8(dev_info.at(key).c_str())); | |
259 | else | |
260 | settings.remove(QString::fromUtf8(key.c_str())); | |
261 | } | |
262 | ||
263 | settings.endGroup(); | |
264 | } | |
265 | ||
266 | shared_ptr<devices::SessionFile> sessionfile_device = | |
267 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
268 | ||
269 | if (sessionfile_device) { | |
270 | settings.setValue("device_type", "sessionfile"); | |
271 | settings.beginGroup("device"); | |
272 | settings.setValue("filename", QString::fromStdString( | |
273 | sessionfile_device->full_name())); | |
274 | settings.endGroup(); | |
275 | } | |
276 | ||
277 | shared_ptr<devices::InputFile> inputfile_device = | |
278 | dynamic_pointer_cast<devices::InputFile>(device_); | |
279 | ||
280 | if (inputfile_device) { | |
281 | settings.setValue("device_type", "inputfile"); | |
282 | settings.beginGroup("device"); | |
283 | inputfile_device->save_meta_to_settings(settings); | |
284 | settings.endGroup(); | |
285 | } | |
286 | ||
287 | save_setup(settings); | |
288 | } | |
289 | } | |
290 | ||
291 | void Session::restore_setup(QSettings &settings) | |
292 | { | |
293 | // Restore channels | |
294 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
295 | settings.beginGroup(base->internal_name()); | |
296 | base->restore_settings(settings); | |
297 | settings.endGroup(); | |
298 | } | |
299 | ||
300 | // Restore decoders | |
301 | #ifdef ENABLE_DECODE | |
302 | int decode_signals = settings.value("decode_signals").toInt(); | |
303 | ||
304 | for (int i = 0; i < decode_signals; i++) { | |
305 | settings.beginGroup("decode_signal" + QString::number(i)); | |
306 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
307 | signal->restore_settings(settings); | |
308 | settings.endGroup(); | |
309 | } | |
310 | #endif | |
311 | ||
312 | // Restore views | |
313 | int views = settings.value("views").toInt(); | |
314 | ||
315 | for (int i = 0; i < views; i++) { | |
316 | settings.beginGroup("view" + QString::number(i)); | |
317 | ||
318 | if (i > 0) { | |
319 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); | |
320 | add_view(type, this); | |
321 | views_.back()->restore_settings(settings); | |
322 | } else | |
323 | main_view_->restore_settings(settings); | |
324 | ||
325 | settings.endGroup(); | |
326 | } | |
327 | } | |
328 | ||
329 | void Session::restore_settings(QSettings &settings) | |
330 | { | |
331 | shared_ptr<devices::Device> device; | |
332 | ||
333 | QString device_type = settings.value("device_type").toString(); | |
334 | ||
335 | if (device_type == "hardware") { | |
336 | map<string, string> dev_info; | |
337 | list<string> key_list; | |
338 | ||
339 | // Re-select last used device if possible but only if it's not demo | |
340 | settings.beginGroup("device"); | |
341 | key_list.emplace_back("vendor"); | |
342 | key_list.emplace_back("model"); | |
343 | key_list.emplace_back("version"); | |
344 | key_list.emplace_back("serial_num"); | |
345 | key_list.emplace_back("connection_id"); | |
346 | ||
347 | for (string key : key_list) { | |
348 | const QString k = QString::fromStdString(key); | |
349 | if (!settings.contains(k)) | |
350 | continue; | |
351 | ||
352 | const string value = settings.value(k).toString().toStdString(); | |
353 | if (!value.empty()) | |
354 | dev_info.insert(make_pair(key, value)); | |
355 | } | |
356 | ||
357 | if (dev_info.count("model") > 0) | |
358 | device = device_manager_.find_device_from_info(dev_info); | |
359 | ||
360 | if (device) | |
361 | set_device(device); | |
362 | ||
363 | settings.endGroup(); | |
364 | } | |
365 | ||
366 | if ((device_type == "sessionfile") || (device_type == "inputfile")) { | |
367 | if (device_type == "sessionfile") { | |
368 | settings.beginGroup("device"); | |
369 | QString filename = settings.value("filename").toString(); | |
370 | settings.endGroup(); | |
371 | ||
372 | if (QFileInfo(filename).isReadable()) { | |
373 | device = make_shared<devices::SessionFile>(device_manager_.context(), | |
374 | filename.toStdString()); | |
375 | } | |
376 | } | |
377 | ||
378 | if (device_type == "inputfile") { | |
379 | settings.beginGroup("device"); | |
380 | device = make_shared<devices::InputFile>(device_manager_.context(), | |
381 | settings); | |
382 | settings.endGroup(); | |
383 | } | |
384 | ||
385 | if (device) { | |
386 | set_device(device); | |
387 | ||
388 | start_capture([](QString infoMessage) { | |
389 | // TODO Emulate noquote() | |
390 | qDebug() << "Session error:" << infoMessage; }); | |
391 | ||
392 | set_name(QString::fromStdString( | |
393 | dynamic_pointer_cast<devices::File>(device)->display_name(device_manager_))); | |
394 | } | |
395 | } | |
396 | ||
397 | if (device) | |
398 | restore_setup(settings); | |
399 | } | |
400 | ||
401 | void Session::select_device(shared_ptr<devices::Device> device) | |
402 | { | |
403 | try { | |
404 | if (device) | |
405 | set_device(device); | |
406 | else | |
407 | set_default_device(); | |
408 | } catch (const QString &e) { | |
409 | MainWindow::show_session_error(tr("Failed to select device"), e); | |
410 | } | |
411 | } | |
412 | ||
413 | void Session::set_device(shared_ptr<devices::Device> device) | |
414 | { | |
415 | assert(device); | |
416 | ||
417 | // Ensure we are not capturing before setting the device | |
418 | stop_capture(); | |
419 | ||
420 | if (device_) | |
421 | device_->close(); | |
422 | ||
423 | device_.reset(); | |
424 | ||
425 | // Revert name back to default name (e.g. "Session 1") as the data is gone | |
426 | name_ = default_name_; | |
427 | name_changed(); | |
428 | ||
429 | // Remove all stored data and reset all views | |
430 | for (shared_ptr<views::ViewBase> view : views_) { | |
431 | view->clear_signals(); | |
432 | #ifdef ENABLE_DECODE | |
433 | view->clear_decode_signals(); | |
434 | #endif | |
435 | view->reset_view_state(); | |
436 | } | |
437 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
438 | d->clear(); | |
439 | all_signal_data_.clear(); | |
440 | signalbases_.clear(); | |
441 | cur_logic_segment_.reset(); | |
442 | ||
443 | for (auto& entry : cur_analog_segments_) { | |
444 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
445 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
446 | } | |
447 | ||
448 | logic_data_.reset(); | |
449 | ||
450 | signals_changed(); | |
451 | ||
452 | device_ = move(device); | |
453 | ||
454 | try { | |
455 | device_->open(); | |
456 | } catch (const QString &e) { | |
457 | device_.reset(); | |
458 | MainWindow::show_session_error(tr("Failed to open device"), e); | |
459 | } | |
460 | ||
461 | if (device_) { | |
462 | device_->session()->add_datafeed_callback([=] | |
463 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
464 | data_feed_in(device, packet); | |
465 | }); | |
466 | ||
467 | update_signals(); | |
468 | } | |
469 | ||
470 | device_changed(); | |
471 | } | |
472 | ||
473 | void Session::set_default_device() | |
474 | { | |
475 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
476 | device_manager_.devices(); | |
477 | ||
478 | if (devices.empty()) | |
479 | return; | |
480 | ||
481 | // Try and find the demo device and select that by default | |
482 | const auto iter = find_if(devices.begin(), devices.end(), | |
483 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
484 | return d->hardware_device()->driver()->name() == "demo"; }); | |
485 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
486 | } | |
487 | ||
488 | bool Session::using_file_device() const | |
489 | { | |
490 | shared_ptr<devices::SessionFile> sessionfile_device = | |
491 | dynamic_pointer_cast<devices::SessionFile>(device_); | |
492 | ||
493 | shared_ptr<devices::InputFile> inputfile_device = | |
494 | dynamic_pointer_cast<devices::InputFile>(device_); | |
495 | ||
496 | return (sessionfile_device || inputfile_device); | |
497 | } | |
498 | ||
499 | /** | |
500 | * Convert generic options to data types that are specific to InputFormat. | |
501 | * | |
502 | * @param[in] user_spec Vector of tokenized words, string format. | |
503 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
504 | * | |
505 | * @return Map of options suitable for InputFormat::create_input(). | |
506 | */ | |
507 | map<string, Glib::VariantBase> | |
508 | Session::input_format_options(vector<string> user_spec, | |
509 | map<string, shared_ptr<Option>> fmt_opts) | |
510 | { | |
511 | map<string, Glib::VariantBase> result; | |
512 | ||
513 | for (auto& entry : user_spec) { | |
514 | /* | |
515 | * Split key=value specs. Accept entries without separator | |
516 | * (for simplified boolean specifications). | |
517 | */ | |
518 | string key, val; | |
519 | size_t pos = entry.find("="); | |
520 | if (pos == std::string::npos) { | |
521 | key = entry; | |
522 | val = ""; | |
523 | } else { | |
524 | key = entry.substr(0, pos); | |
525 | val = entry.substr(pos + 1); | |
526 | } | |
527 | ||
528 | /* | |
529 | * Skip user specifications that are not a member of the | |
530 | * format's set of supported options. Have the text input | |
531 | * spec converted to the required input format specific | |
532 | * data type. | |
533 | */ | |
534 | auto found = fmt_opts.find(key); | |
535 | if (found == fmt_opts.end()) | |
536 | continue; | |
537 | shared_ptr<Option> opt = found->second; | |
538 | result[key] = opt->parse_string(val); | |
539 | } | |
540 | ||
541 | return result; | |
542 | } | |
543 | ||
544 | void Session::load_init_file(const string &file_name, | |
545 | const string &format, const string &setup_file_name) | |
546 | { | |
547 | shared_ptr<InputFormat> input_format; | |
548 | map<string, Glib::VariantBase> input_opts; | |
549 | ||
550 | if (!format.empty()) { | |
551 | const map<string, shared_ptr<InputFormat> > formats = | |
552 | device_manager_.context()->input_formats(); | |
553 | auto user_opts = pv::util::split_string(format, ":"); | |
554 | string user_name = user_opts.front(); | |
555 | user_opts.erase(user_opts.begin()); | |
556 | const auto iter = find_if(formats.begin(), formats.end(), | |
557 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
558 | return f.first == user_name; }); | |
559 | if (iter == formats.end()) { | |
560 | MainWindow::show_session_error(tr("Error"), | |
561 | tr("Unexpected input format: %s").arg(QString::fromStdString(format))); | |
562 | return; | |
563 | } | |
564 | input_format = (*iter).second; | |
565 | input_opts = input_format_options(user_opts, | |
566 | input_format->options()); | |
567 | } | |
568 | ||
569 | load_file(QString::fromStdString(file_name), QString::fromStdString(setup_file_name), | |
570 | input_format, input_opts); | |
571 | } | |
572 | ||
573 | void Session::load_file(QString file_name, QString setup_file_name, | |
574 | shared_ptr<sigrok::InputFormat> format, const map<string, Glib::VariantBase> &options) | |
575 | { | |
576 | const QString errorMessage( | |
577 | QString("Failed to load file %1").arg(file_name)); | |
578 | ||
579 | // In the absence of a caller's format spec, try to auto detect. | |
580 | // Assume "sigrok session file" upon lookup miss. | |
581 | if (!format) | |
582 | format = device_manager_.context()->input_format_match(file_name.toStdString()); | |
583 | try { | |
584 | if (format) | |
585 | set_device(shared_ptr<devices::Device>( | |
586 | new devices::InputFile( | |
587 | device_manager_.context(), | |
588 | file_name.toStdString(), | |
589 | format, options))); | |
590 | else | |
591 | set_device(shared_ptr<devices::Device>( | |
592 | new devices::SessionFile( | |
593 | device_manager_.context(), | |
594 | file_name.toStdString()))); | |
595 | } catch (Error& e) { | |
596 | MainWindow::show_session_error(tr("Failed to load %1").arg(file_name), e.what()); | |
597 | set_default_device(); | |
598 | main_bar_->update_device_list(); | |
599 | return; | |
600 | } | |
601 | ||
602 | // Use the input file with .pvs extension if no setup file was given | |
603 | if (setup_file_name.isEmpty()) { | |
604 | setup_file_name = file_name; | |
605 | setup_file_name.truncate(setup_file_name.lastIndexOf('.')); | |
606 | setup_file_name.append(".pvs"); | |
607 | } | |
608 | ||
609 | if (QFileInfo::exists(setup_file_name) && QFileInfo(setup_file_name).isReadable()) { | |
610 | QSettings settings_storage(setup_file_name, QSettings::IniFormat); | |
611 | restore_setup(settings_storage); | |
612 | } | |
613 | ||
614 | main_bar_->update_device_list(); | |
615 | ||
616 | start_capture([&, errorMessage](QString infoMessage) { | |
617 | MainWindow::show_session_error(errorMessage, infoMessage); }); | |
618 | ||
619 | set_name(QFileInfo(file_name).fileName()); | |
620 | } | |
621 | ||
622 | Session::capture_state Session::get_capture_state() const | |
623 | { | |
624 | lock_guard<mutex> lock(sampling_mutex_); | |
625 | return capture_state_; | |
626 | } | |
627 | ||
628 | void Session::start_capture(function<void (const QString)> error_handler) | |
629 | { | |
630 | if (!device_) { | |
631 | error_handler(tr("No active device set, can't start acquisition.")); | |
632 | return; | |
633 | } | |
634 | ||
635 | stop_capture(); | |
636 | ||
637 | // Check that at least one channel is enabled | |
638 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
639 | if (sr_dev) { | |
640 | const auto channels = sr_dev->channels(); | |
641 | if (!any_of(channels.begin(), channels.end(), | |
642 | [](shared_ptr<Channel> channel) { | |
643 | return channel->enabled(); })) { | |
644 | error_handler(tr("No channels enabled.")); | |
645 | return; | |
646 | } | |
647 | } | |
648 | ||
649 | // Clear signal data | |
650 | for (const shared_ptr<data::SignalData>& d : all_signal_data_) | |
651 | d->clear(); | |
652 | ||
653 | trigger_list_.clear(); | |
654 | ||
655 | // Revert name back to default name (e.g. "Session 1") for real devices | |
656 | // as the (possibly saved) data is gone. File devices keep their name. | |
657 | shared_ptr<devices::HardwareDevice> hw_device = | |
658 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
659 | ||
660 | if (hw_device) { | |
661 | name_ = default_name_; | |
662 | name_changed(); | |
663 | } | |
664 | ||
665 | // Begin the session | |
666 | sampling_thread_ = std::thread( | |
667 | &Session::sample_thread_proc, this, error_handler); | |
668 | } | |
669 | ||
670 | void Session::stop_capture() | |
671 | { | |
672 | if (get_capture_state() != Stopped) | |
673 | device_->stop(); | |
674 | ||
675 | // Check that sampling stopped | |
676 | if (sampling_thread_.joinable()) | |
677 | sampling_thread_.join(); | |
678 | } | |
679 | ||
680 | void Session::register_view(shared_ptr<views::ViewBase> view) | |
681 | { | |
682 | if (views_.empty()) | |
683 | main_view_ = view; | |
684 | ||
685 | views_.push_back(view); | |
686 | ||
687 | // Add all device signals | |
688 | update_signals(); | |
689 | ||
690 | // Add all other signals | |
691 | unordered_set< shared_ptr<data::SignalBase> > view_signalbases = view->signalbases(); | |
692 | ||
693 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
694 | const int sb_exists = count_if( | |
695 | view_signalbases.cbegin(), view_signalbases.cend(), | |
696 | [&](const shared_ptr<data::SignalBase> &sb) { | |
697 | return sb == signalbase; | |
698 | }); | |
699 | ||
700 | // Add the signal to the view if it doesn't have it yet | |
701 | if (!sb_exists) | |
702 | switch (signalbase->type()) { | |
703 | case data::SignalBase::AnalogChannel: | |
704 | case data::SignalBase::LogicChannel: | |
705 | case data::SignalBase::MathChannel: | |
706 | view->add_signalbase(signalbase); | |
707 | break; | |
708 | case data::SignalBase::DecodeChannel: | |
709 | #ifdef ENABLE_DECODE | |
710 | view->add_decode_signal(dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
711 | #endif | |
712 | break; | |
713 | } | |
714 | } | |
715 | ||
716 | signals_changed(); | |
717 | } | |
718 | ||
719 | void Session::deregister_view(shared_ptr<views::ViewBase> view) | |
720 | { | |
721 | views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; }); | |
722 | ||
723 | if (views_.empty()) { | |
724 | main_view_.reset(); | |
725 | ||
726 | // Without a view there can be no main bar | |
727 | main_bar_.reset(); | |
728 | } | |
729 | } | |
730 | ||
731 | bool Session::has_view(shared_ptr<views::ViewBase> view) | |
732 | { | |
733 | for (shared_ptr<views::ViewBase>& v : views_) | |
734 | if (v == view) | |
735 | return true; | |
736 | ||
737 | return false; | |
738 | } | |
739 | ||
740 | double Session::get_samplerate() const | |
741 | { | |
742 | double samplerate = 0.0; | |
743 | ||
744 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
745 | assert(d); | |
746 | const vector< shared_ptr<pv::data::Segment> > segments = | |
747 | d->segments(); | |
748 | for (const shared_ptr<pv::data::Segment>& s : segments) | |
749 | samplerate = max(samplerate, s->samplerate()); | |
750 | } | |
751 | // If there is no sample rate given we use samples as unit | |
752 | if (samplerate == 0.0) | |
753 | samplerate = 1.0; | |
754 | ||
755 | return samplerate; | |
756 | } | |
757 | ||
758 | uint32_t Session::get_segment_count() const | |
759 | { | |
760 | uint32_t value = 0; | |
761 | ||
762 | // Find the highest number of segments | |
763 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) | |
764 | if (data->get_segment_count() > value) | |
765 | value = data->get_segment_count(); | |
766 | ||
767 | return value; | |
768 | } | |
769 | ||
770 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const | |
771 | { | |
772 | vector<util::Timestamp> result; | |
773 | ||
774 | for (const pair<uint32_t, util::Timestamp>& entry : trigger_list_) | |
775 | if (entry.first == segment_id) | |
776 | result.push_back(entry.second); | |
777 | ||
778 | return result; | |
779 | } | |
780 | ||
781 | const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const | |
782 | { | |
783 | return signalbases_; | |
784 | } | |
785 | ||
786 | bool Session::all_segments_complete(uint32_t segment_id) const | |
787 | { | |
788 | bool all_complete = true; | |
789 | ||
790 | for (const shared_ptr<data::SignalBase>& base : signalbases_) | |
791 | if (!base->segment_is_complete(segment_id)) | |
792 | all_complete = false; | |
793 | ||
794 | return all_complete; | |
795 | } | |
796 | ||
797 | #ifdef ENABLE_DECODE | |
798 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() | |
799 | { | |
800 | shared_ptr<data::DecodeSignal> signal; | |
801 | ||
802 | try { | |
803 | // Create the decode signal | |
804 | signal = make_shared<data::DecodeSignal>(*this); | |
805 | ||
806 | signalbases_.insert(signal); | |
807 | ||
808 | // Add the decode signal to all views | |
809 | for (shared_ptr<views::ViewBase>& view : views_) | |
810 | view->add_decode_signal(signal); | |
811 | } catch (runtime_error& e) { | |
812 | remove_decode_signal(signal); | |
813 | return nullptr; | |
814 | } | |
815 | ||
816 | signals_changed(); | |
817 | ||
818 | return signal; | |
819 | } | |
820 | ||
821 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
822 | { | |
823 | signalbases_.erase(signal); | |
824 | ||
825 | for (shared_ptr<views::ViewBase>& view : views_) | |
826 | view->remove_decode_signal(signal); | |
827 | ||
828 | signals_changed(); | |
829 | } | |
830 | #endif | |
831 | ||
832 | void Session::set_capture_state(capture_state state) | |
833 | { | |
834 | bool changed; | |
835 | ||
836 | if (state == Running) | |
837 | acq_time_.restart(); | |
838 | if (state == Stopped) | |
839 | qDebug("Acquisition took %.2f s", acq_time_.elapsed() / 1000.); | |
840 | ||
841 | { | |
842 | lock_guard<mutex> lock(sampling_mutex_); | |
843 | changed = capture_state_ != state; | |
844 | capture_state_ = state; | |
845 | } | |
846 | ||
847 | if (changed) | |
848 | capture_state_changed(state); | |
849 | } | |
850 | ||
851 | void Session::update_signals() | |
852 | { | |
853 | if (!device_) { | |
854 | signalbases_.clear(); | |
855 | logic_data_.reset(); | |
856 | for (shared_ptr<views::ViewBase>& view : views_) { | |
857 | view->clear_signals(); | |
858 | #ifdef ENABLE_DECODE | |
859 | view->clear_decode_signals(); | |
860 | #endif | |
861 | } | |
862 | return; | |
863 | } | |
864 | ||
865 | lock_guard<recursive_mutex> lock(data_mutex_); | |
866 | ||
867 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
868 | if (!sr_dev) { | |
869 | signalbases_.clear(); | |
870 | logic_data_.reset(); | |
871 | for (shared_ptr<views::ViewBase>& view : views_) { | |
872 | view->clear_signals(); | |
873 | #ifdef ENABLE_DECODE | |
874 | view->clear_decode_signals(); | |
875 | #endif | |
876 | } | |
877 | return; | |
878 | } | |
879 | ||
880 | // Detect what data types we will receive | |
881 | auto channels = sr_dev->channels(); | |
882 | unsigned int logic_channel_count = count_if( | |
883 | channels.begin(), channels.end(), | |
884 | [] (shared_ptr<Channel> channel) { | |
885 | return channel->type() == sigrok::ChannelType::LOGIC; }); | |
886 | ||
887 | // Create data containers for the logic data segments | |
888 | { | |
889 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
890 | ||
891 | if (logic_channel_count == 0) { | |
892 | logic_data_.reset(); | |
893 | } else if (!logic_data_ || | |
894 | logic_data_->num_channels() != logic_channel_count) { | |
895 | logic_data_.reset(new data::Logic( | |
896 | logic_channel_count)); | |
897 | assert(logic_data_); | |
898 | } | |
899 | } | |
900 | ||
901 | // Make the signals list | |
902 | for (shared_ptr<views::ViewBase>& viewbase : views_) { | |
903 | views::trace::View *trace_view = | |
904 | qobject_cast<views::trace::View*>(viewbase.get()); | |
905 | ||
906 | if (trace_view) { | |
907 | unordered_set< shared_ptr<Signal> > prev_sigs(trace_view->signals()); | |
908 | trace_view->clear_signals(); | |
909 | ||
910 | for (auto channel : sr_dev->channels()) { | |
911 | shared_ptr<data::SignalBase> signalbase; | |
912 | shared_ptr<Signal> signal; | |
913 | ||
914 | // Find the channel in the old signals | |
915 | const auto iter = find_if( | |
916 | prev_sigs.cbegin(), prev_sigs.cend(), | |
917 | [&](const shared_ptr<Signal> &s) { | |
918 | return s->base()->channel() == channel; | |
919 | }); | |
920 | if (iter != prev_sigs.end()) { | |
921 | // Copy the signal from the old set to the new | |
922 | signal = *iter; | |
923 | trace_view->add_signal(signal); | |
924 | } else { | |
925 | // Find the signalbase for this channel if possible | |
926 | signalbase.reset(); | |
927 | for (const shared_ptr<data::SignalBase>& b : signalbases_) | |
928 | if (b->channel() == channel) | |
929 | signalbase = b; | |
930 | ||
931 | shared_ptr<Signal> signal; | |
932 | ||
933 | switch(channel->type()->id()) { | |
934 | case SR_CHANNEL_LOGIC: | |
935 | if (!signalbase) { | |
936 | signalbase = make_shared<data::SignalBase>(channel, | |
937 | data::SignalBase::LogicChannel); | |
938 | signalbases_.insert(signalbase); | |
939 | ||
940 | all_signal_data_.insert(logic_data_); | |
941 | signalbase->set_data(logic_data_); | |
942 | ||
943 | connect(this, SIGNAL(capture_state_changed(int)), | |
944 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
945 | } | |
946 | ||
947 | signal = shared_ptr<Signal>(new LogicSignal(*this, device_, signalbase)); | |
948 | break; | |
949 | ||
950 | case SR_CHANNEL_ANALOG: | |
951 | { | |
952 | if (!signalbase) { | |
953 | signalbase = make_shared<data::SignalBase>(channel, | |
954 | data::SignalBase::AnalogChannel); | |
955 | signalbases_.insert(signalbase); | |
956 | ||
957 | shared_ptr<data::Analog> data(new data::Analog()); | |
958 | all_signal_data_.insert(data); | |
959 | signalbase->set_data(data); | |
960 | ||
961 | connect(this, SIGNAL(capture_state_changed(int)), | |
962 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
963 | } | |
964 | ||
965 | signal = shared_ptr<Signal>(new AnalogSignal(*this, signalbase)); | |
966 | break; | |
967 | } | |
968 | ||
969 | default: | |
970 | assert(false); | |
971 | break; | |
972 | } | |
973 | ||
974 | // New views take their signal settings from the main view | |
975 | if (!viewbase->is_main_view()) { | |
976 | shared_ptr<pv::views::trace::View> main_tv = | |
977 | dynamic_pointer_cast<pv::views::trace::View>(main_view_); | |
978 | shared_ptr<Signal> main_signal = | |
979 | main_tv->get_signal_by_signalbase(signalbase); | |
980 | signal->restore_settings(main_signal->save_settings()); | |
981 | } | |
982 | ||
983 | trace_view->add_signal(signal); | |
984 | } | |
985 | } | |
986 | } | |
987 | } | |
988 | ||
989 | signals_changed(); | |
990 | } | |
991 | ||
992 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( | |
993 | shared_ptr<sigrok::Channel> channel) const | |
994 | { | |
995 | for (shared_ptr<data::SignalBase> sig : signalbases_) { | |
996 | assert(sig); | |
997 | if (sig->channel() == channel) | |
998 | return sig; | |
999 | } | |
1000 | return shared_ptr<data::SignalBase>(); | |
1001 | } | |
1002 | ||
1003 | void Session::sample_thread_proc(function<void (const QString)> error_handler) | |
1004 | { | |
1005 | assert(error_handler); | |
1006 | ||
1007 | #ifdef ENABLE_FLOW | |
1008 | pipeline_ = Pipeline::create(); | |
1009 | ||
1010 | source_ = ElementFactory::create_element("filesrc", "source"); | |
1011 | sink_ = RefPtr<AppSink>::cast_dynamic(ElementFactory::create_element("appsink", "sink")); | |
1012 | ||
1013 | pipeline_->add(source_)->add(sink_); | |
1014 | source_->link(sink_); | |
1015 | ||
1016 | source_->set_property("location", Glib::ustring("/tmp/dummy_binary")); | |
1017 | ||
1018 | sink_->set_property("emit-signals", TRUE); | |
1019 | sink_->signal_new_sample().connect(sigc::mem_fun(*this, &Session::on_gst_new_sample)); | |
1020 | ||
1021 | // Get the bus from the pipeline and add a bus watch to the default main context | |
1022 | RefPtr<Bus> bus = pipeline_->get_bus(); | |
1023 | bus->add_watch(sigc::mem_fun(this, &Session::on_gst_bus_message)); | |
1024 | ||
1025 | // Start pipeline and Wait until it finished processing | |
1026 | pipeline_done_interrupt_ = false; | |
1027 | pipeline_->set_state(Gst::STATE_PLAYING); | |
1028 | ||
1029 | unique_lock<mutex> pipeline_done_lock_(pipeline_done_mutex_); | |
1030 | pipeline_done_cond_.wait(pipeline_done_lock_); | |
1031 | ||
1032 | // Let the pipeline free all resources | |
1033 | pipeline_->set_state(Gst::STATE_NULL); | |
1034 | ||
1035 | #else | |
1036 | if (!device_) | |
1037 | return; | |
1038 | ||
1039 | try { | |
1040 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1041 | } catch (Error& e) { | |
1042 | cur_samplerate_ = 0; | |
1043 | } | |
1044 | ||
1045 | out_of_memory_ = false; | |
1046 | ||
1047 | { | |
1048 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1049 | cur_logic_segment_.reset(); | |
1050 | cur_analog_segments_.clear(); | |
1051 | } | |
1052 | highest_segment_id_ = -1; | |
1053 | frame_began_ = false; | |
1054 | ||
1055 | try { | |
1056 | device_->start(); | |
1057 | } catch (Error& e) { | |
1058 | error_handler(e.what()); | |
1059 | return; | |
1060 | } | |
1061 | ||
1062 | set_capture_state(device_->session()->trigger() ? | |
1063 | AwaitingTrigger : Running); | |
1064 | ||
1065 | try { | |
1066 | device_->run(); | |
1067 | } catch (Error& e) { | |
1068 | error_handler(e.what()); | |
1069 | set_capture_state(Stopped); | |
1070 | return; | |
1071 | } catch (QString& e) { | |
1072 | error_handler(e); | |
1073 | set_capture_state(Stopped); | |
1074 | return; | |
1075 | } | |
1076 | ||
1077 | set_capture_state(Stopped); | |
1078 | ||
1079 | // Confirm that SR_DF_END was received | |
1080 | if (cur_logic_segment_) | |
1081 | qDebug() << "WARNING: SR_DF_END was not received."; | |
1082 | #endif | |
1083 | ||
1084 | // Optimize memory usage | |
1085 | free_unused_memory(); | |
1086 | ||
1087 | // We now have unsaved data unless we just "captured" from a file | |
1088 | shared_ptr<devices::File> file_device = | |
1089 | dynamic_pointer_cast<devices::File>(device_); | |
1090 | ||
1091 | if (!file_device) | |
1092 | data_saved_ = false; | |
1093 | ||
1094 | if (out_of_memory_) | |
1095 | error_handler(tr("Out of memory, acquisition stopped.")); | |
1096 | } | |
1097 | ||
1098 | void Session::free_unused_memory() | |
1099 | { | |
1100 | for (const shared_ptr<data::SignalData>& data : all_signal_data_) { | |
1101 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
1102 | ||
1103 | for (const shared_ptr<data::Segment>& segment : segments) | |
1104 | segment->free_unused_memory(); | |
1105 | } | |
1106 | } | |
1107 | ||
1108 | void Session::signal_new_segment() | |
1109 | { | |
1110 | int new_segment_id = 0; | |
1111 | ||
1112 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
1113 | ||
1114 | // Determine new frame/segment number, assuming that all | |
1115 | // signals have the same number of frames/segments | |
1116 | if (cur_logic_segment_) { | |
1117 | new_segment_id = logic_data_->get_segment_count() - 1; | |
1118 | } else { | |
1119 | shared_ptr<sigrok::Channel> any_channel = | |
1120 | (*cur_analog_segments_.begin()).first; | |
1121 | ||
1122 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1123 | assert(base); | |
1124 | ||
1125 | shared_ptr<data::Analog> data(base->analog_data()); | |
1126 | assert(data); | |
1127 | ||
1128 | new_segment_id = data->get_segment_count() - 1; | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | if (new_segment_id > highest_segment_id_) { | |
1133 | highest_segment_id_ = new_segment_id; | |
1134 | new_segment(highest_segment_id_); | |
1135 | } | |
1136 | } | |
1137 | ||
1138 | void Session::signal_segment_completed() | |
1139 | { | |
1140 | int segment_id = 0; | |
1141 | ||
1142 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
1143 | // We only care about analog and logic channels, not derived ones | |
1144 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1145 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1146 | break; | |
1147 | } | |
1148 | ||
1149 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1150 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1151 | break; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | if (segment_id >= 0) | |
1156 | segment_completed(segment_id); | |
1157 | } | |
1158 | ||
1159 | #ifdef ENABLE_FLOW | |
1160 | bool Session::on_gst_bus_message(const Glib::RefPtr<Gst::Bus>& bus, const Glib::RefPtr<Gst::Message>& message) | |
1161 | { | |
1162 | (void)bus; | |
1163 | ||
1164 | if ((message->get_source() == pipeline_) && \ | |
1165 | ((message->get_message_type() == Gst::MESSAGE_EOS))) | |
1166 | pipeline_done_cond_.notify_one(); | |
1167 | ||
1168 | // TODO Also evaluate MESSAGE_STREAM_STATUS to receive error notifications | |
1169 | ||
1170 | return true; | |
1171 | } | |
1172 | ||
1173 | Gst::FlowReturn Session::on_gst_new_sample() | |
1174 | { | |
1175 | RefPtr<Gst::Sample> sample = sink_->pull_sample(); | |
1176 | RefPtr<Gst::Buffer> buf = sample->get_buffer(); | |
1177 | ||
1178 | for (uint32_t block_id = 0; block_id < buf->n_memory(); block_id++) { | |
1179 | RefPtr<Gst::Memory> buf_mem = buf->get_memory(block_id); | |
1180 | Gst::MapInfo mapinfo; | |
1181 | buf_mem->map(mapinfo, Gst::MAP_READ); | |
1182 | ||
1183 | shared_ptr<sigrok::Packet> logic_packet = | |
1184 | sr_context->create_logic_packet(mapinfo.get_data(), buf->get_size(), 1); | |
1185 | ||
1186 | try { | |
1187 | feed_in_logic(dynamic_pointer_cast<sigrok::Logic>(logic_packet->payload())); | |
1188 | } catch (bad_alloc&) { | |
1189 | out_of_memory_ = true; | |
1190 | device_->stop(); | |
1191 | buf_mem->unmap(mapinfo); | |
1192 | return Gst::FLOW_ERROR; | |
1193 | } | |
1194 | ||
1195 | buf_mem->unmap(mapinfo); | |
1196 | } | |
1197 | ||
1198 | return Gst::FLOW_OK; | |
1199 | } | |
1200 | #endif | |
1201 | ||
1202 | void Session::feed_in_header() | |
1203 | { | |
1204 | // Nothing to do here for now | |
1205 | } | |
1206 | ||
1207 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
1208 | { | |
1209 | for (auto& entry : meta->config()) { | |
1210 | switch (entry.first->id()) { | |
1211 | case SR_CONF_SAMPLERATE: | |
1212 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1213 | break; | |
1214 | default: | |
1215 | qDebug() << "Received meta data key" << entry.first->id() << ", ignoring."; | |
1216 | break; | |
1217 | } | |
1218 | } | |
1219 | ||
1220 | signals_changed(); | |
1221 | } | |
1222 | ||
1223 | void Session::feed_in_trigger() | |
1224 | { | |
1225 | // The channel containing most samples should be most accurate | |
1226 | uint64_t sample_count = 0; | |
1227 | ||
1228 | { | |
1229 | for (const shared_ptr<pv::data::SignalData>& d : all_signal_data_) { | |
1230 | assert(d); | |
1231 | uint64_t temp_count = 0; | |
1232 | ||
1233 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1234 | d->segments(); | |
1235 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1236 | temp_count += s->get_sample_count(); | |
1237 | ||
1238 | if (temp_count > sample_count) | |
1239 | sample_count = temp_count; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | uint32_t segment_id = 0; // Default segment when no frames are used | |
1244 | ||
1245 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1246 | // the trigger. However, as new segments are only created when logic or | |
1247 | // analog data comes in, this doesn't work if the trigger appears right | |
1248 | // after the beginning of the frame, before any sample data. | |
1249 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1250 | // yet and the highest segment ID otherwise. | |
1251 | if (frame_began_) { | |
1252 | segment_id = highest_segment_id_; | |
1253 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1254 | segment_id++; | |
1255 | } | |
1256 | ||
1257 | // TODO Create timestamp from segment start time + segment's current sample count | |
1258 | util::Timestamp timestamp = sample_count / get_samplerate(); | |
1259 | trigger_list_.emplace_back(segment_id, timestamp); | |
1260 | trigger_event(segment_id, timestamp); | |
1261 | } | |
1262 | ||
1263 | void Session::feed_in_frame_begin() | |
1264 | { | |
1265 | frame_began_ = true; | |
1266 | } | |
1267 | ||
1268 | void Session::feed_in_frame_end() | |
1269 | { | |
1270 | if (!frame_began_) | |
1271 | return; | |
1272 | ||
1273 | { | |
1274 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1275 | ||
1276 | if (cur_logic_segment_) | |
1277 | cur_logic_segment_->set_complete(); | |
1278 | ||
1279 | for (auto& entry : cur_analog_segments_) { | |
1280 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1281 | segment->set_complete(); | |
1282 | } | |
1283 | ||
1284 | cur_logic_segment_.reset(); | |
1285 | cur_analog_segments_.clear(); | |
1286 | } | |
1287 | ||
1288 | frame_began_ = false; | |
1289 | ||
1290 | signal_segment_completed(); | |
1291 | } | |
1292 | ||
1293 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
1294 | { | |
1295 | if (logic->data_length() == 0) { | |
1296 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1297 | return; | |
1298 | } | |
1299 | ||
1300 | if (logic->unit_size() > 8) | |
1301 | throw QString(tr("Can't handle more than 64 logic channels.")); | |
1302 | ||
1303 | if (!cur_samplerate_) | |
1304 | try { | |
1305 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1306 | } catch (Error& e) { | |
1307 | // Do nothing | |
1308 | } | |
1309 | ||
1310 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1311 | ||
1312 | if (!logic_data_) { | |
1313 | // The only reason logic_data_ would not have been created is | |
1314 | // if it was not possible to determine the signals when the | |
1315 | // device was created. | |
1316 | update_signals(); | |
1317 | } | |
1318 | ||
1319 | if (!cur_logic_segment_) { | |
1320 | // This could be the first packet after a trigger | |
1321 | set_capture_state(Running); | |
1322 | ||
1323 | // Create a new data segment | |
1324 | cur_logic_segment_ = make_shared<data::LogicSegment>( | |
1325 | *logic_data_, logic_data_->get_segment_count(), | |
1326 | logic->unit_size(), cur_samplerate_); | |
1327 | logic_data_->push_segment(cur_logic_segment_); | |
1328 | ||
1329 | signal_new_segment(); | |
1330 | } | |
1331 | ||
1332 | cur_logic_segment_->append_payload(logic); | |
1333 | ||
1334 | data_received(); | |
1335 | } | |
1336 | ||
1337 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
1338 | { | |
1339 | if (analog->num_samples() == 0) { | |
1340 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1341 | return; | |
1342 | } | |
1343 | ||
1344 | if (!cur_samplerate_) | |
1345 | try { | |
1346 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1347 | } catch (Error& e) { | |
1348 | // Do nothing | |
1349 | } | |
1350 | ||
1351 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1352 | ||
1353 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
1354 | bool sweep_beginning = false; | |
1355 | ||
1356 | unique_ptr<float[]> data(new float[analog->num_samples() * channels.size()]); | |
1357 | analog->get_data_as_float(data.get()); | |
1358 | ||
1359 | if (signalbases_.empty()) | |
1360 | update_signals(); | |
1361 | ||
1362 | float *channel_data = data.get(); | |
1363 | for (auto& channel : channels) { | |
1364 | shared_ptr<data::AnalogSegment> segment; | |
1365 | ||
1366 | // Try to get the segment of the channel | |
1367 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1368 | iterator iter = cur_analog_segments_.find(channel); | |
1369 | if (iter != cur_analog_segments_.end()) | |
1370 | segment = (*iter).second; | |
1371 | else { | |
1372 | // If no segment was found, this means we haven't | |
1373 | // created one yet. i.e. this is the first packet | |
1374 | // in the sweep containing this segment. | |
1375 | sweep_beginning = true; | |
1376 | ||
1377 | // Find the analog data associated with the channel | |
1378 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); | |
1379 | assert(base); | |
1380 | ||
1381 | shared_ptr<data::Analog> data(base->analog_data()); | |
1382 | assert(data); | |
1383 | ||
1384 | // Create a segment, keep it in the maps of channels | |
1385 | segment = make_shared<data::AnalogSegment>( | |
1386 | *data, data->get_segment_count(), cur_samplerate_); | |
1387 | cur_analog_segments_[channel] = segment; | |
1388 | ||
1389 | // Push the segment into the analog data. | |
1390 | data->push_segment(segment); | |
1391 | ||
1392 | signal_new_segment(); | |
1393 | } | |
1394 | ||
1395 | assert(segment); | |
1396 | ||
1397 | // Append the samples in the segment | |
1398 | segment->append_interleaved_samples(channel_data++, analog->num_samples(), | |
1399 | channels.size()); | |
1400 | } | |
1401 | ||
1402 | if (sweep_beginning) { | |
1403 | // This could be the first packet after a trigger | |
1404 | set_capture_state(Running); | |
1405 | } | |
1406 | ||
1407 | data_received(); | |
1408 | } | |
1409 | ||
1410 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
1411 | shared_ptr<Packet> packet) | |
1412 | { | |
1413 | (void)device; | |
1414 | ||
1415 | assert(device); | |
1416 | assert(device == device_->device()); | |
1417 | assert(packet); | |
1418 | ||
1419 | switch (packet->type()->id()) { | |
1420 | case SR_DF_HEADER: | |
1421 | feed_in_header(); | |
1422 | break; | |
1423 | ||
1424 | case SR_DF_META: | |
1425 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
1426 | break; | |
1427 | ||
1428 | case SR_DF_TRIGGER: | |
1429 | feed_in_trigger(); | |
1430 | break; | |
1431 | ||
1432 | case SR_DF_LOGIC: | |
1433 | try { | |
1434 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
1435 | } catch (bad_alloc&) { | |
1436 | out_of_memory_ = true; | |
1437 | device_->stop(); | |
1438 | } | |
1439 | break; | |
1440 | ||
1441 | case SR_DF_ANALOG: | |
1442 | try { | |
1443 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
1444 | } catch (bad_alloc&) { | |
1445 | out_of_memory_ = true; | |
1446 | device_->stop(); | |
1447 | } | |
1448 | break; | |
1449 | ||
1450 | case SR_DF_FRAME_BEGIN: | |
1451 | feed_in_frame_begin(); | |
1452 | break; | |
1453 | ||
1454 | case SR_DF_FRAME_END: | |
1455 | feed_in_frame_end(); | |
1456 | break; | |
1457 | ||
1458 | case SR_DF_END: | |
1459 | // Strictly speaking, this is performed when a frame end marker was | |
1460 | // received, so there's no point doing this again. However, not all | |
1461 | // devices use frames, and for those devices, we need to do it here. | |
1462 | { | |
1463 | lock_guard<recursive_mutex> lock(data_mutex_); | |
1464 | ||
1465 | if (cur_logic_segment_) | |
1466 | cur_logic_segment_->set_complete(); | |
1467 | ||
1468 | for (auto& entry : cur_analog_segments_) { | |
1469 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1470 | segment->set_complete(); | |
1471 | } | |
1472 | ||
1473 | cur_logic_segment_.reset(); | |
1474 | cur_analog_segments_.clear(); | |
1475 | } | |
1476 | break; | |
1477 | ||
1478 | default: | |
1479 | break; | |
1480 | } | |
1481 | } | |
1482 | ||
1483 | void Session::on_data_saved() | |
1484 | { | |
1485 | data_saved_ = true; | |
1486 | } | |
1487 | ||
1488 | #ifdef ENABLE_DECODE | |
1489 | void Session::on_new_decoders_selected(vector<const srd_decoder*> decoders) | |
1490 | { | |
1491 | assert(decoders.size() > 0); | |
1492 | ||
1493 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); | |
1494 | ||
1495 | if (signal) | |
1496 | for (unsigned int i = 0; i < decoders.size(); i++) { | |
1497 | const srd_decoder* d = decoders[i]; | |
1498 | signal->stack_decoder(d, !(i < decoders.size() - 1)); | |
1499 | } | |
1500 | } | |
1501 | #endif | |
1502 | ||
1503 | } // namespace pv |