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Commit | Line | Data |
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2953961c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
2953961c | 3 | * |
1bc6525b | 4 | * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk> |
2953961c JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
2953961c JH |
18 | */ |
19 | ||
47747218 | 20 | #include <QDebug> |
43017494 SA |
21 | #include <QFileInfo> |
22 | ||
1e4d7c4d | 23 | #include <cassert> |
303eec78 | 24 | #include <memory> |
1e4d7c4d SA |
25 | #include <mutex> |
26 | #include <stdexcept> | |
4e5a4405 | 27 | |
1e4d7c4d | 28 | #include <sys/stat.h> |
2953961c | 29 | |
2acdb232 | 30 | #include "devicemanager.hpp" |
5e685656 | 31 | #include "mainwindow.hpp" |
aca9aa83 | 32 | #include "session.hpp" |
119aff65 | 33 | |
2acdb232 | 34 | #include "data/analog.hpp" |
f3d66e52 | 35 | #include "data/analogsegment.hpp" |
aca9aa83 | 36 | #include "data/decode/decoder.hpp" |
2acdb232 | 37 | #include "data/logic.hpp" |
f3d66e52 | 38 | #include "data/logicsegment.hpp" |
bf0edd2b | 39 | #include "data/signalbase.hpp" |
82c7f640 | 40 | |
da30ecb7 | 41 | #include "devices/hardwaredevice.hpp" |
fd22c71c | 42 | #include "devices/inputfile.hpp" |
da30ecb7 JH |
43 | #include "devices/sessionfile.hpp" |
44 | ||
0f8f8c18 SA |
45 | #include "toolbars/mainbar.hpp" |
46 | ||
1573bf16 SA |
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" | |
28a4c9c5 | 52 | |
fe3a1c21 | 53 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 54 | |
1e4d7c4d SA |
55 | #ifdef ENABLE_DECODE |
56 | #include <libsigrokdecode/libsigrokdecode.h> | |
ad908057 | 57 | #include "data/decodesignal.hpp" |
1e4d7c4d SA |
58 | #endif |
59 | ||
6f925ba9 | 60 | using std::bad_alloc; |
f9abf97e | 61 | using std::dynamic_pointer_cast; |
6f925ba9 | 62 | using std::find_if; |
d2344534 | 63 | using std::function; |
3b68d03d | 64 | using std::lock_guard; |
d873f4d6 | 65 | using std::list; |
6f925ba9 UH |
66 | using std::make_pair; |
67 | using std::make_shared; | |
819f4c25 | 68 | using std::map; |
6f925ba9 UH |
69 | using std::max; |
70 | using std::move; | |
aca64cac | 71 | using std::mutex; |
fd22c71c | 72 | using std::pair; |
8524a597 | 73 | using std::recursive_mutex; |
6f925ba9 | 74 | using std::runtime_error; |
f9abf97e | 75 | using std::shared_ptr; |
819f4c25 | 76 | using std::string; |
303eec78 | 77 | using std::unique_ptr; |
78b0af3e | 78 | using std::unordered_set; |
819f4c25 | 79 | using std::vector; |
28a4c9c5 | 80 | |
e8d00928 ML |
81 | using sigrok::Analog; |
82 | using sigrok::Channel; | |
e8d00928 ML |
83 | using sigrok::ConfigKey; |
84 | using sigrok::DatafeedCallbackFunction; | |
e8d00928 | 85 | using sigrok::Error; |
fd22c71c | 86 | using sigrok::InputFormat; |
e8d00928 ML |
87 | using sigrok::Logic; |
88 | using sigrok::Meta; | |
89 | using sigrok::Packet; | |
e8d00928 | 90 | using sigrok::Session; |
e8d00928 ML |
91 | |
92 | using Glib::VariantBase; | |
51e77110 | 93 | |
e8d00928 | 94 | namespace pv { |
419ec4e1 SA |
95 | |
96 | shared_ptr<sigrok::Context> Session::sr_context; | |
97 | ||
101e7a9b | 98 | Session::Session(DeviceManager &device_manager, QString name) : |
8dbbc7f0 | 99 | device_manager_(device_manager), |
33e1afbe | 100 | default_name_(name), |
101e7a9b | 101 | name_(name), |
ff008de6 | 102 | capture_state_(Stopped), |
5ccfc97e SA |
103 | cur_samplerate_(0), |
104 | data_saved_(true) | |
2953961c | 105 | { |
2953961c JH |
106 | } |
107 | ||
2b81ae46 | 108 | Session::~Session() |
2953961c | 109 | { |
04463625 | 110 | // Stop and join to the thread |
5b7cf66c | 111 | stop_capture(); |
2953961c JH |
112 | } |
113 | ||
2b81ae46 | 114 | DeviceManager& Session::device_manager() |
4cb0b033 | 115 | { |
8dbbc7f0 | 116 | return device_manager_; |
4cb0b033 JH |
117 | } |
118 | ||
2b81ae46 | 119 | const DeviceManager& Session::device_manager() const |
4cb0b033 | 120 | { |
8dbbc7f0 | 121 | return device_manager_; |
4cb0b033 JH |
122 | } |
123 | ||
da30ecb7 | 124 | shared_ptr<sigrok::Session> Session::session() const |
1f4caa77 | 125 | { |
da30ecb7 JH |
126 | if (!device_) |
127 | return shared_ptr<sigrok::Session>(); | |
128 | return device_->session(); | |
1f4caa77 JH |
129 | } |
130 | ||
da30ecb7 | 131 | shared_ptr<devices::Device> Session::device() const |
dc0867ff | 132 | { |
8dbbc7f0 | 133 | return device_; |
dc0867ff JH |
134 | } |
135 | ||
101e7a9b SA |
136 | QString Session::name() const |
137 | { | |
138 | return name_; | |
139 | } | |
140 | ||
141 | void Session::set_name(QString name) | |
142 | { | |
143 | if (default_name_.isEmpty()) | |
144 | default_name_ = name; | |
145 | ||
146 | name_ = name; | |
147 | ||
148 | name_changed(); | |
149 | } | |
150 | ||
6f925ba9 | 151 | const list< shared_ptr<views::ViewBase> > Session::views() const |
36a8185e SA |
152 | { |
153 | return views_; | |
154 | } | |
155 | ||
6f925ba9 | 156 | shared_ptr<views::ViewBase> Session::main_view() const |
0f8f8c18 SA |
157 | { |
158 | return main_view_; | |
159 | } | |
160 | ||
6f925ba9 | 161 | void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar) |
0f8f8c18 SA |
162 | { |
163 | main_bar_ = main_bar; | |
164 | } | |
165 | ||
166 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
167 | { | |
168 | return main_bar_; | |
169 | } | |
170 | ||
5ccfc97e SA |
171 | bool Session::data_saved() const |
172 | { | |
173 | return data_saved_; | |
174 | } | |
175 | ||
101e7a9b SA |
176 | void Session::save_settings(QSettings &settings) const |
177 | { | |
178 | map<string, string> dev_info; | |
179 | list<string> key_list; | |
47747218 | 180 | int decode_signals = 0, views = 0; |
101e7a9b SA |
181 | |
182 | if (device_) { | |
43017494 SA |
183 | shared_ptr<devices::HardwareDevice> hw_device = |
184 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
185 | ||
186 | if (hw_device) { | |
187 | settings.setValue("device_type", "hardware"); | |
188 | settings.beginGroup("device"); | |
189 | ||
326cf6fe UH |
190 | key_list.emplace_back("vendor"); |
191 | key_list.emplace_back("model"); | |
192 | key_list.emplace_back("version"); | |
193 | key_list.emplace_back("serial_num"); | |
194 | key_list.emplace_back("connection_id"); | |
43017494 SA |
195 | |
196 | dev_info = device_manager_.get_device_info(device_); | |
197 | ||
198 | for (string key : key_list) { | |
199 | if (dev_info.count(key)) | |
200 | settings.setValue(QString::fromUtf8(key.c_str()), | |
201 | QString::fromUtf8(dev_info.at(key).c_str())); | |
202 | else | |
203 | settings.remove(QString::fromUtf8(key.c_str())); | |
204 | } | |
101e7a9b | 205 | |
43017494 SA |
206 | settings.endGroup(); |
207 | } | |
101e7a9b | 208 | |
43017494 SA |
209 | shared_ptr<devices::SessionFile> sessionfile_device = |
210 | dynamic_pointer_cast< devices::SessionFile >(device_); | |
211 | ||
212 | if (sessionfile_device) { | |
213 | settings.setValue("device_type", "sessionfile"); | |
214 | settings.beginGroup("device"); | |
215 | settings.setValue("filename", QString::fromStdString( | |
216 | sessionfile_device->full_name())); | |
217 | settings.endGroup(); | |
101e7a9b SA |
218 | } |
219 | ||
aecae05c SA |
220 | // Save channels and decoders |
221 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
222 | #ifdef ENABLE_DECODE | |
223 | if (base->is_decode_signal()) { | |
47747218 SA |
224 | settings.beginGroup("decode_signal" + QString::number(decode_signals++)); |
225 | base->save_settings(settings); | |
aecae05c SA |
226 | settings.endGroup(); |
227 | } else | |
228 | #endif | |
229 | { | |
230 | settings.beginGroup(base->internal_name()); | |
6de38b17 | 231 | base->save_settings(settings); |
aecae05c SA |
232 | settings.endGroup(); |
233 | } | |
234 | } | |
101e7a9b | 235 | |
47747218 | 236 | settings.setValue("decode_signals", decode_signals); |
3a21afa6 SA |
237 | |
238 | // Save view states and their signal settings | |
239 | // Note: main_view must be saved as view0 | |
240 | settings.beginGroup("view" + QString::number(views++)); | |
241 | main_view_->save_settings(settings); | |
242 | settings.endGroup(); | |
243 | ||
f4e57597 | 244 | for (shared_ptr<views::ViewBase> view : views_) { |
3a21afa6 SA |
245 | if (view != main_view_) { |
246 | settings.beginGroup("view" + QString::number(views++)); | |
247 | view->save_settings(settings); | |
248 | settings.endGroup(); | |
249 | } | |
250 | } | |
251 | ||
252 | settings.setValue("views", views); | |
101e7a9b SA |
253 | } |
254 | } | |
255 | ||
256 | void Session::restore_settings(QSettings &settings) | |
257 | { | |
43017494 SA |
258 | shared_ptr<devices::Device> device; |
259 | ||
260 | QString device_type = settings.value("device_type").toString(); | |
261 | ||
262 | if (device_type == "hardware") { | |
263 | map<string, string> dev_info; | |
264 | list<string> key_list; | |
265 | ||
266 | // Re-select last used device if possible but only if it's not demo | |
267 | settings.beginGroup("device"); | |
326cf6fe UH |
268 | key_list.emplace_back("vendor"); |
269 | key_list.emplace_back("model"); | |
270 | key_list.emplace_back("version"); | |
271 | key_list.emplace_back("serial_num"); | |
272 | key_list.emplace_back("connection_id"); | |
43017494 SA |
273 | |
274 | for (string key : key_list) { | |
275 | const QString k = QString::fromStdString(key); | |
276 | if (!settings.contains(k)) | |
277 | continue; | |
278 | ||
279 | const string value = settings.value(k).toString().toStdString(); | |
280 | if (!value.empty()) | |
6f925ba9 | 281 | dev_info.insert(make_pair(key, value)); |
43017494 SA |
282 | } |
283 | ||
284 | if (dev_info.count("model") > 0) | |
285 | device = device_manager_.find_device_from_info(dev_info); | |
286 | ||
287 | if (device) | |
288 | set_device(device); | |
289 | ||
290 | settings.endGroup(); | |
101e7a9b SA |
291 | } |
292 | ||
43017494 SA |
293 | if (device_type == "sessionfile") { |
294 | settings.beginGroup("device"); | |
295 | QString filename = settings.value("filename").toString(); | |
296 | settings.endGroup(); | |
101e7a9b | 297 | |
43017494 | 298 | if (QFileInfo(filename).isReadable()) { |
067bb624 | 299 | device = make_shared<devices::SessionFile>(device_manager_.context(), |
43017494 SA |
300 | filename.toStdString()); |
301 | set_device(device); | |
101e7a9b | 302 | |
403c3e87 SA |
303 | start_capture([](QString infoMessage) { |
304 | qDebug().noquote() << "Session error:" << infoMessage; }); | |
33e1afbe SA |
305 | |
306 | set_name(QFileInfo(filename).fileName()); | |
43017494 SA |
307 | } |
308 | } | |
309 | ||
310 | if (device) { | |
aecae05c SA |
311 | // Restore channels |
312 | for (shared_ptr<data::SignalBase> base : signalbases_) { | |
313 | settings.beginGroup(base->internal_name()); | |
6de38b17 | 314 | base->restore_settings(settings); |
aecae05c SA |
315 | settings.endGroup(); |
316 | } | |
317 | ||
318 | // Restore decoders | |
319 | #ifdef ENABLE_DECODE | |
47747218 | 320 | int decode_signals = settings.value("decode_signals").toInt(); |
aecae05c | 321 | |
47747218 | 322 | for (int i = 0; i < decode_signals; i++) { |
88870fff | 323 | settings.beginGroup("decode_signal" + QString::number(i)); |
c8e60bdf SA |
324 | shared_ptr<data::DecodeSignal> signal = add_decode_signal(); |
325 | signal->restore_settings(settings); | |
aecae05c SA |
326 | settings.endGroup(); |
327 | } | |
328 | #endif | |
3a21afa6 SA |
329 | |
330 | // Restore views | |
331 | int views = settings.value("views").toInt(); | |
332 | ||
333 | for (int i = 0; i < views; i++) { | |
334 | settings.beginGroup("view" + QString::number(i)); | |
335 | ||
336 | if (i > 0) { | |
f4e57597 | 337 | views::ViewType type = (views::ViewType)settings.value("type").toInt(); |
3a21afa6 SA |
338 | add_view(name_, type, this); |
339 | views_.back()->restore_settings(settings); | |
340 | } else | |
341 | main_view_->restore_settings(settings); | |
342 | ||
343 | settings.endGroup(); | |
344 | } | |
101e7a9b | 345 | } |
101e7a9b SA |
346 | } |
347 | ||
fd22c71c SA |
348 | void Session::select_device(shared_ptr<devices::Device> device) |
349 | { | |
350 | try { | |
351 | if (device) | |
352 | set_device(device); | |
353 | else | |
354 | set_default_device(); | |
355 | } catch (const QString &e) { | |
5e685656 | 356 | MainWindow::show_session_error(tr("Failed to select device"), e); |
fd22c71c SA |
357 | } |
358 | } | |
359 | ||
da30ecb7 | 360 | void Session::set_device(shared_ptr<devices::Device> device) |
d64d1596 | 361 | { |
da30ecb7 JH |
362 | assert(device); |
363 | ||
82596f46 JH |
364 | // Ensure we are not capturing before setting the device |
365 | stop_capture(); | |
366 | ||
4d6c6ea3 SA |
367 | if (device_) |
368 | device_->close(); | |
369 | ||
86123e2e SA |
370 | device_.reset(); |
371 | ||
7b254679 | 372 | // Revert name back to default name (e.g. "Session 1") as the data is gone |
101e7a9b SA |
373 | name_ = default_name_; |
374 | name_changed(); | |
375 | ||
cc9a7898 | 376 | // Remove all stored data |
6f925ba9 | 377 | for (shared_ptr<views::ViewBase> view : views_) { |
47e9e7bb | 378 | view->clear_signals(); |
bb7dd726 | 379 | #ifdef ENABLE_DECODE |
f4e57597 | 380 | view->clear_decode_signals(); |
bb7dd726 SA |
381 | #endif |
382 | } | |
47e9e7bb SA |
383 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
384 | d->clear(); | |
cc9a7898 | 385 | all_signal_data_.clear(); |
47e9e7bb | 386 | signalbases_.clear(); |
4b0d7046 SA |
387 | cur_logic_segment_.reset(); |
388 | ||
389 | for (auto entry : cur_analog_segments_) { | |
390 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
391 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
392 | } | |
393 | ||
394 | logic_data_.reset(); | |
4b0d7046 | 395 | |
86123e2e SA |
396 | signals_changed(); |
397 | ||
6f925ba9 | 398 | device_ = move(device); |
7e0c99bf SA |
399 | |
400 | try { | |
401 | device_->open(); | |
402 | } catch (const QString &e) { | |
403 | device_.reset(); | |
5e685656 | 404 | MainWindow::show_session_error(tr("Failed to open device"), e); |
7e0c99bf SA |
405 | } |
406 | ||
bcd64b9b SA |
407 | if (device_) { |
408 | device_->session()->add_datafeed_callback([=] | |
409 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
410 | data_feed_in(device, packet); | |
411 | }); | |
412 | ||
413 | update_signals(); | |
414 | } | |
ae2d1bc5 | 415 | |
91f8fe8c | 416 | device_changed(); |
ae2d1bc5 | 417 | } |
85843b14 | 418 | |
2b81ae46 | 419 | void Session::set_default_device() |
6fd0b639 | 420 | { |
da30ecb7 | 421 | const list< shared_ptr<devices::HardwareDevice> > &devices = |
8dbbc7f0 | 422 | device_manager_.devices(); |
6fd0b639 | 423 | |
da30ecb7 JH |
424 | if (devices.empty()) |
425 | return; | |
dc0867ff | 426 | |
da30ecb7 | 427 | // Try and find the demo device and select that by default |
6f925ba9 | 428 | const auto iter = find_if(devices.begin(), devices.end(), |
da30ecb7 | 429 | [] (const shared_ptr<devices::HardwareDevice> &d) { |
0fb98cf8 | 430 | return d->hardware_device()->driver()->name() == "demo"; }); |
da30ecb7 | 431 | set_device((iter == devices.end()) ? devices.front() : *iter); |
dc0867ff JH |
432 | } |
433 | ||
724f29f3 GS |
434 | /** |
435 | * Convert generic options to data types that are specific to InputFormat. | |
436 | * | |
3083cda8 UH |
437 | * @param[in] user_spec Vector of tokenized words, string format. |
438 | * @param[in] fmt_opts Input format's options, result of InputFormat::options(). | |
724f29f3 | 439 | * |
3083cda8 | 440 | * @return Map of options suitable for InputFormat::create_input(). |
724f29f3 GS |
441 | */ |
442 | map<string, Glib::VariantBase> | |
443 | Session::input_format_options(vector<string> user_spec, | |
444 | map<string, shared_ptr<Option>> fmt_opts) | |
445 | { | |
446 | map<string, Glib::VariantBase> result; | |
447 | ||
448 | for (auto entry : user_spec) { | |
449 | /* | |
450 | * Split key=value specs. Accept entries without separator | |
451 | * (for simplified boolean specifications). | |
452 | */ | |
453 | string key, val; | |
454 | size_t pos = entry.find("="); | |
455 | if (pos == std::string::npos) { | |
456 | key = entry; | |
457 | val = ""; | |
458 | } else { | |
459 | key = entry.substr(0, pos); | |
460 | val = entry.substr(pos + 1); | |
461 | } | |
462 | ||
463 | /* | |
464 | * Skip user specifications that are not a member of the | |
465 | * format's set of supported options. Have the text input | |
466 | * spec converted to the required input format specific | |
467 | * data type. | |
468 | */ | |
469 | auto found = fmt_opts.find(key); | |
470 | if (found == fmt_opts.end()) | |
471 | continue; | |
472 | shared_ptr<Option> opt = found->second; | |
473 | result[key] = opt->parse_string(val); | |
474 | } | |
475 | ||
476 | return result; | |
477 | } | |
478 | ||
6f925ba9 | 479 | void Session::load_init_file(const string &file_name, const string &format) |
fd22c71c SA |
480 | { |
481 | shared_ptr<InputFormat> input_format; | |
724f29f3 | 482 | map<string, Glib::VariantBase> input_opts; |
fd22c71c SA |
483 | |
484 | if (!format.empty()) { | |
485 | const map<string, shared_ptr<InputFormat> > formats = | |
486 | device_manager_.context()->input_formats(); | |
724f29f3 GS |
487 | auto user_opts = pv::util::split_string(format, ":"); |
488 | string user_name = user_opts.front(); | |
489 | user_opts.erase(user_opts.begin()); | |
fd22c71c SA |
490 | const auto iter = find_if(formats.begin(), formats.end(), |
491 | [&](const pair<string, shared_ptr<InputFormat> > f) { | |
724f29f3 | 492 | return f.first == user_name; }); |
fd22c71c | 493 | if (iter == formats.end()) { |
5e685656 | 494 | MainWindow::show_session_error(tr("Error"), |
fd22c71c SA |
495 | tr("Unexpected input format: %s").arg(QString::fromStdString(format))); |
496 | return; | |
497 | } | |
fd22c71c | 498 | input_format = (*iter).second; |
724f29f3 GS |
499 | input_opts = input_format_options(user_opts, |
500 | input_format->options()); | |
fd22c71c SA |
501 | } |
502 | ||
724f29f3 | 503 | load_file(QString::fromStdString(file_name), input_format, input_opts); |
fd22c71c SA |
504 | } |
505 | ||
506 | void Session::load_file(QString file_name, | |
6f925ba9 UH |
507 | shared_ptr<sigrok::InputFormat> format, |
508 | const map<string, Glib::VariantBase> &options) | |
fd22c71c SA |
509 | { |
510 | const QString errorMessage( | |
511 | QString("Failed to load file %1").arg(file_name)); | |
512 | ||
513 | try { | |
514 | if (format) | |
515 | set_device(shared_ptr<devices::Device>( | |
516 | new devices::InputFile( | |
517 | device_manager_.context(), | |
518 | file_name.toStdString(), | |
519 | format, options))); | |
520 | else | |
521 | set_device(shared_ptr<devices::Device>( | |
522 | new devices::SessionFile( | |
523 | device_manager_.context(), | |
524 | file_name.toStdString()))); | |
30677c13 | 525 | } catch (Error& e) { |
5e685656 | 526 | MainWindow::show_session_error(tr("Failed to load ") + file_name, e.what()); |
fd22c71c SA |
527 | set_default_device(); |
528 | main_bar_->update_device_list(); | |
529 | return; | |
530 | } | |
531 | ||
532 | main_bar_->update_device_list(); | |
533 | ||
534 | start_capture([&, errorMessage](QString infoMessage) { | |
5e685656 | 535 | MainWindow::show_session_error(errorMessage, infoMessage); }); |
fd22c71c SA |
536 | |
537 | set_name(QFileInfo(file_name).fileName()); | |
538 | } | |
539 | ||
2b81ae46 | 540 | Session::capture_state Session::get_capture_state() const |
5b7cf66c | 541 | { |
8dbbc7f0 JH |
542 | lock_guard<mutex> lock(sampling_mutex_); |
543 | return capture_state_; | |
5b7cf66c JH |
544 | } |
545 | ||
2b81ae46 | 546 | void Session::start_capture(function<void (const QString)> error_handler) |
2e2946fe | 547 | { |
34c11fa7 SA |
548 | if (!device_) { |
549 | error_handler(tr("No active device set, can't start acquisition.")); | |
550 | return; | |
551 | } | |
552 | ||
5b7cf66c JH |
553 | stop_capture(); |
554 | ||
6ac6242b | 555 | // Check that at least one channel is enabled |
e6c1382e JH |
556 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
557 | if (sr_dev) { | |
558 | const auto channels = sr_dev->channels(); | |
6f925ba9 | 559 | if (!any_of(channels.begin(), channels.end(), |
e6c1382e JH |
560 | [](shared_ptr<Channel> channel) { |
561 | return channel->enabled(); })) { | |
562 | error_handler(tr("No channels enabled.")); | |
563 | return; | |
564 | } | |
9c48fa57 JH |
565 | } |
566 | ||
53ea4c6c | 567 | // Clear signal data |
47e9e7bb SA |
568 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
569 | d->clear(); | |
53ea4c6c | 570 | |
7ea2a4ff SA |
571 | trigger_list_.clear(); |
572 | ||
53bb2e1d SA |
573 | // Revert name back to default name (e.g. "Session 1") for real devices |
574 | // as the (possibly saved) data is gone. File devices keep their name. | |
575 | shared_ptr<devices::HardwareDevice> hw_device = | |
576 | dynamic_pointer_cast< devices::HardwareDevice >(device_); | |
577 | ||
578 | if (hw_device) { | |
579 | name_ = default_name_; | |
580 | name_changed(); | |
581 | } | |
101e7a9b | 582 | |
9c48fa57 | 583 | // Begin the session |
8dbbc7f0 | 584 | sampling_thread_ = std::thread( |
2b05d311 | 585 | &Session::sample_thread_proc, this, error_handler); |
2e2946fe JH |
586 | } |
587 | ||
2b81ae46 | 588 | void Session::stop_capture() |
5b7cf66c | 589 | { |
04463625 | 590 | if (get_capture_state() != Stopped) |
da30ecb7 | 591 | device_->stop(); |
5b7cf66c JH |
592 | |
593 | // Check that sampling stopped | |
8dbbc7f0 JH |
594 | if (sampling_thread_.joinable()) |
595 | sampling_thread_.join(); | |
5b7cf66c JH |
596 | } |
597 | ||
6f925ba9 | 598 | void Session::register_view(shared_ptr<views::ViewBase> view) |
47e9e7bb | 599 | { |
0f8f8c18 SA |
600 | if (views_.empty()) { |
601 | main_view_ = view; | |
602 | } | |
603 | ||
3a21afa6 | 604 | views_.push_back(view); |
53e8927d | 605 | |
f5a5b019 | 606 | // Add all device signals |
53e8927d | 607 | update_signals(); |
f5a5b019 SA |
608 | |
609 | // Add all other signals | |
610 | unordered_set< shared_ptr<data::SignalBase> > view_signalbases = | |
611 | view->signalbases(); | |
612 | ||
613 | views::trace::View *trace_view = | |
614 | qobject_cast<views::trace::View*>(view.get()); | |
615 | ||
616 | if (trace_view) { | |
617 | for (shared_ptr<data::SignalBase> signalbase : signalbases_) { | |
618 | const int sb_exists = count_if( | |
619 | view_signalbases.cbegin(), view_signalbases.cend(), | |
620 | [&](const shared_ptr<data::SignalBase> &sb) { | |
621 | return sb == signalbase; | |
622 | }); | |
623 | // Add the signal to the view as it doesn't have it yet | |
624 | if (!sb_exists) | |
625 | switch (signalbase->type()) { | |
626 | case data::SignalBase::AnalogChannel: | |
627 | case data::SignalBase::LogicChannel: | |
f5a5b019 SA |
628 | case data::SignalBase::DecodeChannel: |
629 | #ifdef ENABLE_DECODE | |
630 | trace_view->add_decode_signal( | |
631 | dynamic_pointer_cast<data::DecodeSignal>(signalbase)); | |
632 | #endif | |
633 | break; | |
634 | case data::SignalBase::MathChannel: | |
635 | // TBD | |
636 | break; | |
637 | } | |
638 | } | |
639 | } | |
640 | ||
641 | signals_changed(); | |
47e9e7bb SA |
642 | } |
643 | ||
6f925ba9 | 644 | void Session::deregister_view(shared_ptr<views::ViewBase> view) |
47e9e7bb | 645 | { |
6f925ba9 | 646 | views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; }); |
0f8f8c18 SA |
647 | |
648 | if (views_.empty()) { | |
649 | main_view_.reset(); | |
650 | ||
651 | // Without a view there can be no main bar | |
652 | main_bar_.reset(); | |
653 | } | |
47e9e7bb SA |
654 | } |
655 | ||
6f925ba9 | 656 | bool Session::has_view(shared_ptr<views::ViewBase> view) |
101e7a9b | 657 | { |
6f925ba9 | 658 | for (shared_ptr<views::ViewBase> v : views_) |
3a21afa6 SA |
659 | if (v == view) |
660 | return true; | |
661 | ||
662 | return false; | |
101e7a9b SA |
663 | } |
664 | ||
2220e942 SA |
665 | double Session::get_samplerate() const |
666 | { | |
667 | double samplerate = 0.0; | |
668 | ||
47e9e7bb SA |
669 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
670 | assert(d); | |
671 | const vector< shared_ptr<pv::data::Segment> > segments = | |
672 | d->segments(); | |
673 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
6f925ba9 | 674 | samplerate = max(samplerate, s->samplerate()); |
2220e942 | 675 | } |
2220e942 SA |
676 | // If there is no sample rate given we use samples as unit |
677 | if (samplerate == 0.0) | |
678 | samplerate = 1.0; | |
679 | ||
680 | return samplerate; | |
681 | } | |
682 | ||
9009d9b5 | 683 | uint32_t Session::get_segment_count() const |
7f965464 | 684 | { |
9009d9b5 | 685 | uint32_t value = 0; |
7f965464 | 686 | |
9009d9b5 | 687 | // Find the highest number of segments |
7f965464 | 688 | for (shared_ptr<data::SignalData> data : all_signal_data_) |
9009d9b5 SA |
689 | if (data->get_segment_count() > value) |
690 | value = data->get_segment_count(); | |
7f965464 | 691 | |
9009d9b5 | 692 | return value; |
7f965464 SA |
693 | } |
694 | ||
7ea2a4ff SA |
695 | vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const |
696 | { | |
697 | vector<util::Timestamp> result; | |
698 | ||
699 | for (pair<uint32_t, util::Timestamp> entry : trigger_list_) | |
700 | if (entry.first == segment_id) | |
701 | result.push_back(entry.second); | |
702 | ||
703 | return result; | |
704 | } | |
705 | ||
6f925ba9 | 706 | const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const |
2e2946fe | 707 | { |
47e9e7bb | 708 | return signalbases_; |
2e2946fe JH |
709 | } |
710 | ||
89914a86 SA |
711 | bool Session::all_segments_complete(uint32_t segment_id) const |
712 | { | |
713 | bool all_complete = true; | |
714 | ||
715 | for (shared_ptr<data::SignalBase> base : signalbases_) | |
716 | if (!base->segment_is_complete(segment_id)) | |
717 | all_complete = false; | |
718 | ||
719 | return all_complete; | |
720 | } | |
721 | ||
269528f5 | 722 | #ifdef ENABLE_DECODE |
e771b42d | 723 | shared_ptr<data::DecodeSignal> Session::add_decode_signal() |
82c7f640 | 724 | { |
e771b42d | 725 | shared_ptr<data::DecodeSignal> signal; |
a7336fb2 | 726 | |
2ad82c2e | 727 | try { |
4e5a4405 | 728 | // Create the decode signal |
e771b42d | 729 | signal = make_shared<data::DecodeSignal>(*this); |
bf0edd2b | 730 | |
ad908057 | 731 | signalbases_.insert(signal); |
bb7dd726 | 732 | |
47747218 | 733 | // Add the decode signal to all views |
6f925ba9 | 734 | for (shared_ptr<views::ViewBase> view : views_) |
ad908057 | 735 | view->add_decode_signal(signal); |
30677c13 | 736 | } catch (runtime_error& e) { |
e771b42d SA |
737 | remove_decode_signal(signal); |
738 | return nullptr; | |
e92cd4e4 JH |
739 | } |
740 | ||
82c7f640 | 741 | signals_changed(); |
e92cd4e4 | 742 | |
e771b42d | 743 | return signal; |
82c7f640 JH |
744 | } |
745 | ||
ad908057 | 746 | void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) |
38eeddea | 747 | { |
ad908057 | 748 | signalbases_.erase(signal); |
2d25fc47 | 749 | |
6f925ba9 | 750 | for (shared_ptr<views::ViewBase> view : views_) |
ad908057 | 751 | view->remove_decode_signal(signal); |
2d25fc47 SA |
752 | |
753 | signals_changed(); | |
c51482b3 | 754 | } |
269528f5 | 755 | #endif |
c51482b3 | 756 | |
2b81ae46 | 757 | void Session::set_capture_state(capture_state state) |
6ac96c2e | 758 | { |
896936e5 TS |
759 | bool changed; |
760 | ||
761 | { | |
762 | lock_guard<mutex> lock(sampling_mutex_); | |
763 | changed = capture_state_ != state; | |
764 | capture_state_ = state; | |
765 | } | |
766 | ||
f3290553 | 767 | if (changed) |
2b49eeb0 | 768 | capture_state_changed(state); |
6ac96c2e JH |
769 | } |
770 | ||
ffe00119 | 771 | void Session::update_signals() |
b087ba7f | 772 | { |
076eefa4 | 773 | if (!device_) { |
47e9e7bb | 774 | signalbases_.clear(); |
076eefa4 | 775 | logic_data_.reset(); |
6f925ba9 | 776 | for (shared_ptr<views::ViewBase> view : views_) { |
47e9e7bb | 777 | view->clear_signals(); |
bb7dd726 | 778 | #ifdef ENABLE_DECODE |
f4e57597 | 779 | view->clear_decode_signals(); |
bb7dd726 SA |
780 | #endif |
781 | } | |
076eefa4 SA |
782 | return; |
783 | } | |
e6c1382e JH |
784 | |
785 | lock_guard<recursive_mutex> lock(data_mutex_); | |
b087ba7f | 786 | |
ffe00119 | 787 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
c6412b47 | 788 | if (!sr_dev) { |
47e9e7bb | 789 | signalbases_.clear(); |
c6412b47 | 790 | logic_data_.reset(); |
6f925ba9 | 791 | for (shared_ptr<views::ViewBase> view : views_) { |
47e9e7bb | 792 | view->clear_signals(); |
bb7dd726 | 793 | #ifdef ENABLE_DECODE |
f4e57597 | 794 | view->clear_decode_signals(); |
bb7dd726 SA |
795 | #endif |
796 | } | |
c6412b47 JH |
797 | return; |
798 | } | |
799 | ||
b087ba7f | 800 | // Detect what data types we will receive |
c6412b47 | 801 | auto channels = sr_dev->channels(); |
6f925ba9 | 802 | unsigned int logic_channel_count = count_if( |
e8d00928 ML |
803 | channels.begin(), channels.end(), |
804 | [] (shared_ptr<Channel> channel) { | |
472a80c5 | 805 | return channel->type() == sigrok::ChannelType::LOGIC; }); |
b087ba7f | 806 | |
f3d66e52 | 807 | // Create data containers for the logic data segments |
b087ba7f | 808 | { |
8524a597 | 809 | lock_guard<recursive_mutex> data_lock(data_mutex_); |
b087ba7f | 810 | |
3917ba77 JH |
811 | if (logic_channel_count == 0) { |
812 | logic_data_.reset(); | |
813 | } else if (!logic_data_ || | |
814 | logic_data_->num_channels() != logic_channel_count) { | |
8dbbc7f0 | 815 | logic_data_.reset(new data::Logic( |
6ac6242b | 816 | logic_channel_count)); |
8dbbc7f0 | 817 | assert(logic_data_); |
b087ba7f | 818 | } |
b087ba7f JH |
819 | } |
820 | ||
47e9e7bb | 821 | // Make the signals list |
6f925ba9 | 822 | for (shared_ptr<views::ViewBase> viewbase : views_) { |
f23c4692 SA |
823 | views::trace::View *trace_view = |
824 | qobject_cast<views::trace::View*>(viewbase.get()); | |
f4e57597 SA |
825 | |
826 | if (trace_view) { | |
f23c4692 | 827 | unordered_set< shared_ptr<views::trace::Signal> > |
f4e57597 SA |
828 | prev_sigs(trace_view->signals()); |
829 | trace_view->clear_signals(); | |
830 | ||
831 | for (auto channel : sr_dev->channels()) { | |
832 | shared_ptr<data::SignalBase> signalbase; | |
f23c4692 | 833 | shared_ptr<views::trace::Signal> signal; |
f4e57597 SA |
834 | |
835 | // Find the channel in the old signals | |
6f925ba9 | 836 | const auto iter = find_if( |
f4e57597 | 837 | prev_sigs.cbegin(), prev_sigs.cend(), |
f23c4692 | 838 | [&](const shared_ptr<views::trace::Signal> &s) { |
f4e57597 SA |
839 | return s->base()->channel() == channel; |
840 | }); | |
841 | if (iter != prev_sigs.end()) { | |
842 | // Copy the signal from the old set to the new | |
843 | signal = *iter; | |
844 | trace_view->add_signal(signal); | |
845 | } else { | |
846 | // Find the signalbase for this channel if possible | |
847 | signalbase.reset(); | |
848 | for (const shared_ptr<data::SignalBase> b : signalbases_) | |
849 | if (b->channel() == channel) | |
850 | signalbase = b; | |
851 | ||
852 | switch(channel->type()->id()) { | |
853 | case SR_CHANNEL_LOGIC: | |
854 | if (!signalbase) { | |
472a80c5 SA |
855 | signalbase = make_shared<data::SignalBase>(channel, |
856 | data::SignalBase::LogicChannel); | |
f4e57597 SA |
857 | signalbases_.insert(signalbase); |
858 | ||
859 | all_signal_data_.insert(logic_data_); | |
860 | signalbase->set_data(logic_data_); | |
12ea3616 SA |
861 | |
862 | connect(this, SIGNAL(capture_state_changed(int)), | |
863 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
f4e57597 SA |
864 | } |
865 | ||
f23c4692 SA |
866 | signal = shared_ptr<views::trace::Signal>( |
867 | new views::trace::LogicSignal(*this, | |
f4e57597 SA |
868 | device_, signalbase)); |
869 | trace_view->add_signal(signal); | |
870 | break; | |
871 | ||
872 | case SR_CHANNEL_ANALOG: | |
873 | { | |
874 | if (!signalbase) { | |
472a80c5 SA |
875 | signalbase = make_shared<data::SignalBase>(channel, |
876 | data::SignalBase::AnalogChannel); | |
f4e57597 SA |
877 | signalbases_.insert(signalbase); |
878 | ||
879 | shared_ptr<data::Analog> data(new data::Analog()); | |
880 | all_signal_data_.insert(data); | |
881 | signalbase->set_data(data); | |
12ea3616 SA |
882 | |
883 | connect(this, SIGNAL(capture_state_changed(int)), | |
884 | signalbase.get(), SLOT(on_capture_state_changed(int))); | |
f4e57597 SA |
885 | } |
886 | ||
f23c4692 SA |
887 | signal = shared_ptr<views::trace::Signal>( |
888 | new views::trace::AnalogSignal( | |
f4e57597 SA |
889 | *this, signalbase)); |
890 | trace_view->add_signal(signal); | |
891 | break; | |
47e9e7bb SA |
892 | } |
893 | ||
f4e57597 | 894 | default: |
0402d7a3 | 895 | assert(false); |
f4e57597 | 896 | break; |
47e9e7bb | 897 | } |
3917ba77 | 898 | } |
b087ba7f JH |
899 | } |
900 | } | |
fbd3e234 | 901 | } |
b087ba7f JH |
902 | |
903 | signals_changed(); | |
904 | } | |
905 | ||
cbd2a2de | 906 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( |
bf0edd2b | 907 | shared_ptr<sigrok::Channel> channel) const |
3ddcc083 | 908 | { |
bf0edd2b | 909 | for (shared_ptr<data::SignalBase> sig : signalbases_) { |
3ddcc083 | 910 | assert(sig); |
6ac6242b | 911 | if (sig->channel() == channel) |
3ddcc083 JH |
912 | return sig; |
913 | } | |
bf0edd2b | 914 | return shared_ptr<data::SignalBase>(); |
3ddcc083 JH |
915 | } |
916 | ||
2b05d311 | 917 | void Session::sample_thread_proc(function<void (const QString)> error_handler) |
274d4f13 | 918 | { |
f2edb557 | 919 | assert(error_handler); |
be73bdfa | 920 | |
34c11fa7 SA |
921 | if (!device_) |
922 | return; | |
45f0c7c9 | 923 | |
b48daed6 | 924 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); |
274d4f13 | 925 | |
e7216ae0 SA |
926 | out_of_memory_ = false; |
927 | ||
4e86ec70 SA |
928 | { |
929 | lock_guard<recursive_mutex> lock(data_mutex_); | |
930 | cur_logic_segment_.reset(); | |
931 | cur_analog_segments_.clear(); | |
932 | } | |
933 | highest_segment_id_ = -1; | |
7ea2a4ff | 934 | frame_began_ = false; |
4e86ec70 | 935 | |
ae2d1bc5 | 936 | try { |
5237f0c5 | 937 | device_->start(); |
30677c13 | 938 | } catch (Error& e) { |
e8d00928 | 939 | error_handler(e.what()); |
eec446e1 JH |
940 | return; |
941 | } | |
942 | ||
da30ecb7 | 943 | set_capture_state(device_->session()->trigger() ? |
07dcf561 | 944 | AwaitingTrigger : Running); |
eec446e1 | 945 | |
dc4ada2b SA |
946 | try { |
947 | device_->run(); | |
30677c13 | 948 | } catch (Error& e) { |
dc4ada2b SA |
949 | error_handler(e.what()); |
950 | set_capture_state(Stopped); | |
951 | return; | |
952 | } | |
953 | ||
eec446e1 | 954 | set_capture_state(Stopped); |
1a2fe44c JH |
955 | |
956 | // Confirm that SR_DF_END was received | |
403c3e87 SA |
957 | if (cur_logic_segment_) |
958 | qDebug() << "WARNING: SR_DF_END was not received."; | |
e7216ae0 | 959 | |
5e6967cb SA |
960 | // Optimize memory usage |
961 | free_unused_memory(); | |
962 | ||
5ccfc97e SA |
963 | // We now have unsaved data unless we just "captured" from a file |
964 | shared_ptr<devices::File> file_device = | |
965 | dynamic_pointer_cast<devices::File>(device_); | |
966 | ||
967 | if (!file_device) | |
968 | data_saved_ = false; | |
969 | ||
e7216ae0 SA |
970 | if (out_of_memory_) |
971 | error_handler(tr("Out of memory, acquisition stopped.")); | |
eec446e1 JH |
972 | } |
973 | ||
5e6967cb SA |
974 | void Session::free_unused_memory() |
975 | { | |
976 | for (shared_ptr<data::SignalData> data : all_signal_data_) { | |
977 | const vector< shared_ptr<data::Segment> > segments = data->segments(); | |
978 | ||
979 | for (shared_ptr<data::Segment> segment : segments) { | |
980 | segment->free_unused_memory(); | |
981 | } | |
982 | } | |
983 | } | |
984 | ||
4e86ec70 SA |
985 | void Session::signal_new_segment() |
986 | { | |
341d9a79 | 987 | int new_segment_id = 0; |
4e86ec70 SA |
988 | |
989 | if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) { | |
990 | ||
991 | // Determine new frame/segment number, assuming that all | |
992 | // signals have the same number of frames/segments | |
993 | if (cur_logic_segment_) { | |
341d9a79 | 994 | new_segment_id = logic_data_->get_segment_count() - 1; |
4e86ec70 SA |
995 | } else { |
996 | shared_ptr<sigrok::Channel> any_channel = | |
997 | (*cur_analog_segments_.begin()).first; | |
998 | ||
999 | shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel); | |
1000 | assert(base); | |
1001 | ||
1002 | shared_ptr<data::Analog> data(base->analog_data()); | |
1003 | assert(data); | |
1004 | ||
341d9a79 | 1005 | new_segment_id = data->get_segment_count() - 1; |
4e86ec70 SA |
1006 | } |
1007 | } | |
1008 | ||
1009 | if (new_segment_id > highest_segment_id_) { | |
1010 | highest_segment_id_ = new_segment_id; | |
1011 | new_segment(highest_segment_id_); | |
1012 | } | |
1013 | } | |
1014 | ||
558ad6ce SA |
1015 | void Session::signal_segment_completed() |
1016 | { | |
1017 | int segment_id = 0; | |
1018 | ||
1019 | for (shared_ptr<data::SignalBase> signalbase : signalbases_) { | |
1020 | // We only care about analog and logic channels, not derived ones | |
1021 | if (signalbase->type() == data::SignalBase::AnalogChannel) { | |
1022 | segment_id = signalbase->analog_data()->get_segment_count() - 1; | |
1023 | break; | |
1024 | } | |
1025 | ||
1026 | if (signalbase->type() == data::SignalBase::LogicChannel) { | |
1027 | segment_id = signalbase->logic_data()->get_segment_count() - 1; | |
1028 | break; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | if (segment_id >= 0) | |
1033 | segment_completed(segment_id); | |
1034 | } | |
1035 | ||
da30ecb7 | 1036 | void Session::feed_in_header() |
eec446e1 | 1037 | { |
b5940cf0 | 1038 | // Nothing to do here for now |
be73bdfa JH |
1039 | } |
1040 | ||
da30ecb7 | 1041 | void Session::feed_in_meta(shared_ptr<Meta> meta) |
be73bdfa | 1042 | { |
e8d00928 ML |
1043 | for (auto entry : meta->config()) { |
1044 | switch (entry.first->id()) { | |
be73bdfa | 1045 | case SR_CONF_SAMPLERATE: |
8a7b603b SA |
1046 | // We can't rely on the header to always contain the sample rate, |
1047 | // so in case it's supplied via a meta packet, we use it. | |
1048 | if (!cur_samplerate_) | |
1049 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
1050 | ||
be73bdfa | 1051 | /// @todo handle samplerate changes |
be73bdfa JH |
1052 | break; |
1053 | default: | |
1054 | // Unknown metadata is not an error. | |
1055 | break; | |
1056 | } | |
aba1dd16 | 1057 | } |
74043039 JH |
1058 | |
1059 | signals_changed(); | |
aba1dd16 JH |
1060 | } |
1061 | ||
48257a69 SA |
1062 | void Session::feed_in_trigger() |
1063 | { | |
1064 | // The channel containing most samples should be most accurate | |
1065 | uint64_t sample_count = 0; | |
1066 | ||
cc9a7898 | 1067 | { |
cc9a7898 SA |
1068 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
1069 | assert(d); | |
1070 | uint64_t temp_count = 0; | |
1071 | ||
1072 | const vector< shared_ptr<pv::data::Segment> > segments = | |
1073 | d->segments(); | |
1074 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
1075 | temp_count += s->get_sample_count(); | |
1076 | ||
1077 | if (temp_count > sample_count) | |
1078 | sample_count = temp_count; | |
1079 | } | |
48257a69 SA |
1080 | } |
1081 | ||
a66e286e SA |
1082 | uint32_t segment_id = 0; // Default segment when no frames are used |
1083 | ||
1084 | // If a frame began, we'd ideally be able to use the highest segment ID for | |
1085 | // the trigger. However, as new segments are only created when logic or | |
1086 | // analog data comes in, this doesn't work if the trigger appears right | |
1087 | // after the beginning of the frame, before any sample data. | |
1088 | // For this reason, we use highest segment ID + 1 if no sample data came in | |
1089 | // yet and the highest segment ID otherwise. | |
1090 | if (frame_began_) { | |
1091 | segment_id = highest_segment_id_; | |
1092 | if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0)) | |
1093 | segment_id++; | |
1094 | } | |
7ea2a4ff | 1095 | |
a66e286e | 1096 | // TODO Create timestamp from segment start time + segment's current sample count |
7ea2a4ff SA |
1097 | util::Timestamp timestamp = sample_count / get_samplerate(); |
1098 | trigger_list_.emplace_back(segment_id, timestamp); | |
1099 | trigger_event(segment_id, timestamp); | |
48257a69 SA |
1100 | } |
1101 | ||
2b81ae46 | 1102 | void Session::feed_in_frame_begin() |
82f50b10 | 1103 | { |
837bb15a | 1104 | frame_began_ = true; |
82f50b10 JH |
1105 | } |
1106 | ||
837bb15a SA |
1107 | void Session::feed_in_frame_end() |
1108 | { | |
558ad6ce SA |
1109 | if (!frame_began_) |
1110 | return; | |
1111 | ||
837bb15a SA |
1112 | { |
1113 | lock_guard<recursive_mutex> lock(data_mutex_); | |
558ad6ce SA |
1114 | |
1115 | if (cur_logic_segment_) | |
1116 | cur_logic_segment_->set_complete(); | |
1117 | ||
1118 | for (auto entry : cur_analog_segments_) { | |
1119 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1120 | segment->set_complete(); | |
1121 | } | |
1122 | ||
837bb15a SA |
1123 | cur_logic_segment_.reset(); |
1124 | cur_analog_segments_.clear(); | |
1125 | } | |
1126 | ||
7ea2a4ff | 1127 | frame_began_ = false; |
558ad6ce SA |
1128 | |
1129 | signal_segment_completed(); | |
837bb15a SA |
1130 | } |
1131 | ||
2b81ae46 | 1132 | void Session::feed_in_logic(shared_ptr<Logic> logic) |
9c112671 | 1133 | { |
eaa02ef4 SA |
1134 | if (logic->data_length() == 0) { |
1135 | qDebug() << "WARNING: Received logic packet with 0 samples."; | |
1136 | return; | |
1137 | } | |
1138 | ||
b5940cf0 SA |
1139 | if (!cur_samplerate_) |
1140 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1141 | ||
8524a597 | 1142 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 1143 | |
2ad82c2e | 1144 | if (!logic_data_) { |
e6c1382e JH |
1145 | // The only reason logic_data_ would not have been created is |
1146 | // if it was not possible to determine the signals when the | |
1147 | // device was created. | |
1148 | update_signals(); | |
79efbc53 | 1149 | } |
be73bdfa | 1150 | |
2ad82c2e | 1151 | if (!cur_logic_segment_) { |
bb2cdfff | 1152 | // This could be the first packet after a trigger |
2b49eeb0 JH |
1153 | set_capture_state(Running); |
1154 | ||
f3d66e52 | 1155 | // Create a new data segment |
067bb624 | 1156 | cur_logic_segment_ = make_shared<data::LogicSegment>( |
85a70280 SA |
1157 | *logic_data_, logic_data_->get_segment_count(), |
1158 | logic->unit_size(), cur_samplerate_); | |
f3d66e52 | 1159 | logic_data_->push_segment(cur_logic_segment_); |
82f50b10 | 1160 | |
4e86ec70 | 1161 | signal_new_segment(); |
9c112671 JH |
1162 | } |
1163 | ||
04e1acc2 SA |
1164 | cur_logic_segment_->append_payload(logic); |
1165 | ||
1f374035 | 1166 | data_received(); |
9c112671 JH |
1167 | } |
1168 | ||
2b81ae46 | 1169 | void Session::feed_in_analog(shared_ptr<Analog> analog) |
aba1dd16 | 1170 | { |
eaa02ef4 SA |
1171 | if (analog->num_samples() == 0) { |
1172 | qDebug() << "WARNING: Received analog packet with 0 samples."; | |
1173 | return; | |
1174 | } | |
1175 | ||
b5940cf0 SA |
1176 | if (!cur_samplerate_) |
1177 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
1178 | ||
8524a597 | 1179 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 1180 | |
e8d00928 ML |
1181 | const vector<shared_ptr<Channel>> channels = analog->channels(); |
1182 | const unsigned int channel_count = channels.size(); | |
1183 | const size_t sample_count = analog->num_samples() / channel_count; | |
bb2cdfff | 1184 | bool sweep_beginning = false; |
be73bdfa | 1185 | |
f9274b68 | 1186 | unique_ptr<float[]> data(new float[analog->num_samples()]); |
303eec78 SA |
1187 | analog->get_data_as_float(data.get()); |
1188 | ||
47e9e7bb | 1189 | if (signalbases_.empty()) |
a3f678a7 | 1190 | update_signals(); |
a3f678a7 | 1191 | |
303eec78 | 1192 | float *channel_data = data.get(); |
2ad82c2e | 1193 | for (auto channel : channels) { |
f3d66e52 | 1194 | shared_ptr<data::AnalogSegment> segment; |
2b49eeb0 | 1195 | |
f3d66e52 JH |
1196 | // Try to get the segment of the channel |
1197 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
1198 | iterator iter = cur_analog_segments_.find(channel); | |
1199 | if (iter != cur_analog_segments_.end()) | |
1200 | segment = (*iter).second; | |
2ad82c2e | 1201 | else { |
39ccf9c3 | 1202 | // If no segment was found, this means we haven't |
bb2cdfff | 1203 | // created one yet. i.e. this is the first packet |
f3d66e52 | 1204 | // in the sweep containing this segment. |
bb2cdfff JH |
1205 | sweep_beginning = true; |
1206 | ||
ff4bf6bd | 1207 | // Find the analog data associated with the channel |
cbd2a2de SA |
1208 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); |
1209 | assert(base); | |
bb2cdfff | 1210 | |
cbd2a2de | 1211 | shared_ptr<data::Analog> data(base->analog_data()); |
bb2cdfff JH |
1212 | assert(data); |
1213 | ||
7db61e77 | 1214 | // Create a segment, keep it in the maps of channels |
067bb624 | 1215 | segment = make_shared<data::AnalogSegment>( |
85a70280 | 1216 | *data, data->get_segment_count(), cur_samplerate_); |
7db61e77 SA |
1217 | cur_analog_segments_[channel] = segment; |
1218 | ||
f3d66e52 JH |
1219 | // Push the segment into the analog data. |
1220 | data->push_segment(segment); | |
4e86ec70 SA |
1221 | |
1222 | signal_new_segment(); | |
bb2cdfff JH |
1223 | } |
1224 | ||
f3d66e52 | 1225 | assert(segment); |
bb2cdfff | 1226 | |
f3d66e52 | 1227 | // Append the samples in the segment |
303eec78 | 1228 | segment->append_interleaved_samples(channel_data++, sample_count, |
6ac6242b | 1229 | channel_count); |
aba1dd16 | 1230 | } |
bb2cdfff JH |
1231 | |
1232 | if (sweep_beginning) { | |
1233 | // This could be the first packet after a trigger | |
1234 | set_capture_state(Running); | |
aba1dd16 JH |
1235 | } |
1236 | ||
1f374035 | 1237 | data_received(); |
aba1dd16 | 1238 | } |
9c112671 | 1239 | |
da30ecb7 JH |
1240 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, |
1241 | shared_ptr<Packet> packet) | |
b0e1d01d | 1242 | { |
da30ecb7 JH |
1243 | (void)device; |
1244 | ||
e8d00928 | 1245 | assert(device); |
da30ecb7 | 1246 | assert(device == device_->device()); |
b0e1d01d JH |
1247 | assert(packet); |
1248 | ||
e8d00928 | 1249 | switch (packet->type()->id()) { |
b0e1d01d | 1250 | case SR_DF_HEADER: |
da30ecb7 | 1251 | feed_in_header(); |
b0e1d01d JH |
1252 | break; |
1253 | ||
be73bdfa | 1254 | case SR_DF_META: |
da30ecb7 | 1255 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); |
aba1dd16 JH |
1256 | break; |
1257 | ||
48257a69 SA |
1258 | case SR_DF_TRIGGER: |
1259 | feed_in_trigger(); | |
1260 | break; | |
1261 | ||
2e2946fe | 1262 | case SR_DF_LOGIC: |
e7216ae0 SA |
1263 | try { |
1264 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
30677c13 | 1265 | } catch (bad_alloc&) { |
e7216ae0 SA |
1266 | out_of_memory_ = true; |
1267 | device_->stop(); | |
1268 | } | |
2953961c JH |
1269 | break; |
1270 | ||
aba1dd16 | 1271 | case SR_DF_ANALOG: |
e7216ae0 SA |
1272 | try { |
1273 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
30677c13 | 1274 | } catch (bad_alloc&) { |
e7216ae0 SA |
1275 | out_of_memory_ = true; |
1276 | device_->stop(); | |
1277 | } | |
aba1dd16 JH |
1278 | break; |
1279 | ||
837bb15a SA |
1280 | case SR_DF_FRAME_BEGIN: |
1281 | feed_in_frame_begin(); | |
1282 | break; | |
1283 | ||
0a4162a4 | 1284 | case SR_DF_FRAME_END: |
837bb15a SA |
1285 | feed_in_frame_end(); |
1286 | break; | |
1287 | ||
2953961c | 1288 | case SR_DF_END: |
837bb15a SA |
1289 | // Strictly speaking, this is performed when a frame end marker was |
1290 | // received, so there's no point doing this again. However, not all | |
1291 | // devices use frames, and for those devices, we need to do it here. | |
2e2946fe | 1292 | { |
8524a597 | 1293 | lock_guard<recursive_mutex> lock(data_mutex_); |
7c611046 SA |
1294 | |
1295 | if (cur_logic_segment_) | |
1296 | cur_logic_segment_->set_complete(); | |
1297 | ||
1298 | for (auto entry : cur_analog_segments_) { | |
1299 | shared_ptr<data::AnalogSegment> segment = entry.second; | |
1300 | segment->set_complete(); | |
1301 | } | |
1302 | ||
f3d66e52 JH |
1303 | cur_logic_segment_.reset(); |
1304 | cur_analog_segments_.clear(); | |
2e2946fe | 1305 | } |
2953961c | 1306 | break; |
837bb15a | 1307 | |
adb0a983 ML |
1308 | default: |
1309 | break; | |
2e2946fe | 1310 | } |
2953961c JH |
1311 | } |
1312 | ||
5ccfc97e SA |
1313 | void Session::on_data_saved() |
1314 | { | |
1315 | data_saved_ = true; | |
1316 | } | |
1317 | ||
51e77110 | 1318 | } // namespace pv |