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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 | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
35750e4d UH |
21 | #ifdef _WIN32 |
22 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). | |
23 | #define NOGDI | |
24 | #define NORESOURCE | |
25 | #endif | |
e71eb81c JH |
26 | #include <boost/thread/locks.hpp> |
27 | #include <boost/thread/shared_mutex.hpp> | |
28 | ||
1e4d7c4d SA |
29 | #include <cassert> |
30 | #include <mutex> | |
31 | #include <stdexcept> | |
4e5a4405 | 32 | |
1e4d7c4d | 33 | #include <sys/stat.h> |
2953961c | 34 | |
1e4d7c4d | 35 | #include "session.hpp" |
2acdb232 | 36 | #include "devicemanager.hpp" |
119aff65 | 37 | |
2acdb232 | 38 | #include "data/analog.hpp" |
f3d66e52 | 39 | #include "data/analogsegment.hpp" |
2acdb232 JH |
40 | #include "data/decoderstack.hpp" |
41 | #include "data/logic.hpp" | |
f3d66e52 | 42 | #include "data/logicsegment.hpp" |
bf0edd2b | 43 | #include "data/signalbase.hpp" |
2acdb232 | 44 | #include "data/decode/decoder.hpp" |
82c7f640 | 45 | |
da30ecb7 JH |
46 | #include "devices/hardwaredevice.hpp" |
47 | #include "devices/sessionfile.hpp" | |
48 | ||
0f8f8c18 SA |
49 | #include "toolbars/mainbar.hpp" |
50 | ||
2acdb232 JH |
51 | #include "view/analogsignal.hpp" |
52 | #include "view/decodetrace.hpp" | |
53 | #include "view/logicsignal.hpp" | |
47e9e7bb SA |
54 | #include "view/signal.hpp" |
55 | #include "view/view.hpp" | |
28a4c9c5 | 56 | |
fe3a1c21 | 57 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 58 | |
1e4d7c4d SA |
59 | #ifdef ENABLE_DECODE |
60 | #include <libsigrokdecode/libsigrokdecode.h> | |
61 | #endif | |
62 | ||
aca64cac JH |
63 | using boost::shared_lock; |
64 | using boost::shared_mutex; | |
65 | using boost::unique_lock; | |
66 | ||
f9abf97e | 67 | using std::dynamic_pointer_cast; |
d2344534 | 68 | using std::function; |
3b68d03d | 69 | using std::lock_guard; |
d873f4d6 | 70 | using std::list; |
819f4c25 | 71 | using std::map; |
aca64cac | 72 | using std::mutex; |
8524a597 | 73 | using std::recursive_mutex; |
02412f0b | 74 | using std::set; |
f9abf97e | 75 | using std::shared_ptr; |
819f4c25 | 76 | using std::string; |
78b0af3e | 77 | using std::unordered_set; |
819f4c25 | 78 | using std::vector; |
28a4c9c5 | 79 | |
e8d00928 ML |
80 | using sigrok::Analog; |
81 | using sigrok::Channel; | |
82 | using sigrok::ChannelType; | |
83 | using sigrok::ConfigKey; | |
84 | using sigrok::DatafeedCallbackFunction; | |
e8d00928 | 85 | using sigrok::Error; |
e8d00928 ML |
86 | using sigrok::Header; |
87 | using sigrok::Logic; | |
88 | using sigrok::Meta; | |
89 | using sigrok::Packet; | |
90 | using sigrok::PacketPayload; | |
91 | using sigrok::Session; | |
92 | using sigrok::SessionDevice; | |
93 | ||
94 | using Glib::VariantBase; | |
95 | using Glib::Variant; | |
51e77110 | 96 | |
e8d00928 | 97 | namespace pv { |
101e7a9b | 98 | Session::Session(DeviceManager &device_manager, QString name) : |
8dbbc7f0 | 99 | device_manager_(device_manager), |
101e7a9b | 100 | name_(name), |
ff008de6 JH |
101 | capture_state_(Stopped), |
102 | cur_samplerate_(0) | |
2953961c | 103 | { |
2953961c JH |
104 | } |
105 | ||
2b81ae46 | 106 | Session::~Session() |
2953961c | 107 | { |
04463625 | 108 | // Stop and join to the thread |
5b7cf66c | 109 | stop_capture(); |
2953961c JH |
110 | } |
111 | ||
2b81ae46 | 112 | DeviceManager& Session::device_manager() |
4cb0b033 | 113 | { |
8dbbc7f0 | 114 | return device_manager_; |
4cb0b033 JH |
115 | } |
116 | ||
2b81ae46 | 117 | const DeviceManager& Session::device_manager() const |
4cb0b033 | 118 | { |
8dbbc7f0 | 119 | return device_manager_; |
4cb0b033 JH |
120 | } |
121 | ||
da30ecb7 | 122 | shared_ptr<sigrok::Session> Session::session() const |
1f4caa77 | 123 | { |
da30ecb7 JH |
124 | if (!device_) |
125 | return shared_ptr<sigrok::Session>(); | |
126 | return device_->session(); | |
1f4caa77 JH |
127 | } |
128 | ||
da30ecb7 | 129 | shared_ptr<devices::Device> Session::device() const |
dc0867ff | 130 | { |
8dbbc7f0 | 131 | return device_; |
dc0867ff JH |
132 | } |
133 | ||
101e7a9b SA |
134 | QString Session::name() const |
135 | { | |
136 | return name_; | |
137 | } | |
138 | ||
139 | void Session::set_name(QString name) | |
140 | { | |
141 | if (default_name_.isEmpty()) | |
142 | default_name_ = name; | |
143 | ||
144 | name_ = name; | |
145 | ||
146 | name_changed(); | |
147 | } | |
148 | ||
0f8f8c18 SA |
149 | std::shared_ptr<pv::view::View> Session::main_view() const |
150 | { | |
151 | return main_view_; | |
152 | } | |
153 | ||
154 | void Session::set_main_bar(std::shared_ptr<pv::toolbars::MainBar> main_bar) | |
155 | { | |
156 | main_bar_ = main_bar; | |
157 | } | |
158 | ||
159 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
160 | { | |
161 | return main_bar_; | |
162 | } | |
163 | ||
101e7a9b SA |
164 | void Session::save_settings(QSettings &settings) const |
165 | { | |
166 | map<string, string> dev_info; | |
167 | list<string> key_list; | |
168 | ||
169 | if (device_) { | |
170 | settings.beginGroup("Device"); | |
171 | key_list.push_back("vendor"); | |
172 | key_list.push_back("model"); | |
173 | key_list.push_back("version"); | |
174 | key_list.push_back("serial_num"); | |
175 | key_list.push_back("connection_id"); | |
176 | ||
177 | dev_info = device_manager_.get_device_info(device_); | |
178 | ||
179 | for (string key : key_list) { | |
180 | if (dev_info.count(key)) | |
181 | settings.setValue(QString::fromUtf8(key.c_str()), | |
182 | QString::fromUtf8(dev_info.at(key).c_str())); | |
183 | else | |
184 | settings.remove(QString::fromUtf8(key.c_str())); | |
185 | } | |
186 | ||
187 | // TODO Save channel settings and decoders | |
188 | ||
189 | settings.endGroup(); | |
190 | } | |
191 | } | |
192 | ||
193 | void Session::restore_settings(QSettings &settings) | |
194 | { | |
195 | map<string, string> dev_info; | |
196 | list<string> key_list; | |
197 | shared_ptr<devices::HardwareDevice> device; | |
198 | ||
199 | // Re-select last used device if possible but only if it's not demo | |
200 | settings.beginGroup("Device"); | |
201 | key_list.push_back("vendor"); | |
202 | key_list.push_back("model"); | |
203 | key_list.push_back("version"); | |
204 | key_list.push_back("serial_num"); | |
205 | key_list.push_back("connection_id"); | |
206 | ||
207 | for (string key : key_list) { | |
208 | const QString k = QString::fromStdString(key); | |
209 | if (!settings.contains(k)) | |
210 | continue; | |
211 | ||
212 | const string value = settings.value(k).toString().toStdString(); | |
213 | if (!value.empty()) | |
214 | dev_info.insert(std::make_pair(key, value)); | |
215 | } | |
216 | ||
217 | if (dev_info.count("model") > 0) | |
218 | device = device_manager_.find_device_from_info(dev_info); | |
219 | ||
220 | if (device) { | |
221 | set_device(device); | |
222 | ||
223 | // TODO Restore channel settings and decoders | |
224 | } | |
225 | ||
226 | settings.endGroup(); | |
227 | } | |
228 | ||
da30ecb7 | 229 | void Session::set_device(shared_ptr<devices::Device> device) |
d64d1596 | 230 | { |
da30ecb7 JH |
231 | assert(device); |
232 | ||
82596f46 JH |
233 | // Ensure we are not capturing before setting the device |
234 | stop_capture(); | |
235 | ||
4d6c6ea3 SA |
236 | if (device_) |
237 | device_->close(); | |
238 | ||
86123e2e SA |
239 | device_.reset(); |
240 | ||
101e7a9b SA |
241 | // Revert name back to default name (e.g. "Untitled-1") as the data is gone |
242 | name_ = default_name_; | |
243 | name_changed(); | |
244 | ||
cc9a7898 | 245 | // Remove all stored data |
bb7dd726 | 246 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 247 | view->clear_signals(); |
bb7dd726 SA |
248 | #ifdef ENABLE_DECODE |
249 | view->clear_decode_traces(); | |
250 | #endif | |
251 | } | |
47e9e7bb SA |
252 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
253 | d->clear(); | |
cc9a7898 | 254 | all_signal_data_.clear(); |
47e9e7bb | 255 | signalbases_.clear(); |
4b0d7046 SA |
256 | cur_logic_segment_.reset(); |
257 | ||
258 | for (auto entry : cur_analog_segments_) { | |
259 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
260 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
261 | } | |
262 | ||
263 | logic_data_.reset(); | |
4b0d7046 | 264 | |
86123e2e SA |
265 | signals_changed(); |
266 | ||
da30ecb7 | 267 | device_ = std::move(device); |
7e0c99bf SA |
268 | |
269 | try { | |
270 | device_->open(); | |
271 | } catch (const QString &e) { | |
272 | device_.reset(); | |
273 | device_selected(); | |
274 | throw; | |
275 | } | |
276 | ||
da30ecb7 JH |
277 | device_->session()->add_datafeed_callback([=] |
278 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
279 | data_feed_in(device, packet); | |
280 | }); | |
ae2d1bc5 | 281 | |
4b8e787d | 282 | update_signals(); |
20f81a58 | 283 | device_selected(); |
ae2d1bc5 | 284 | } |
85843b14 | 285 | |
2b81ae46 | 286 | void Session::set_default_device() |
6fd0b639 | 287 | { |
da30ecb7 | 288 | const list< shared_ptr<devices::HardwareDevice> > &devices = |
8dbbc7f0 | 289 | device_manager_.devices(); |
6fd0b639 | 290 | |
da30ecb7 JH |
291 | if (devices.empty()) |
292 | return; | |
dc0867ff | 293 | |
da30ecb7 JH |
294 | // Try and find the demo device and select that by default |
295 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
296 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
297 | return d->hardware_device()->driver()->name() == | |
298 | "demo"; }); | |
299 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
dc0867ff JH |
300 | } |
301 | ||
2b81ae46 | 302 | Session::capture_state Session::get_capture_state() const |
5b7cf66c | 303 | { |
8dbbc7f0 JH |
304 | lock_guard<mutex> lock(sampling_mutex_); |
305 | return capture_state_; | |
5b7cf66c JH |
306 | } |
307 | ||
2b81ae46 | 308 | void Session::start_capture(function<void (const QString)> error_handler) |
2e2946fe | 309 | { |
34c11fa7 SA |
310 | if (!device_) { |
311 | error_handler(tr("No active device set, can't start acquisition.")); | |
312 | return; | |
313 | } | |
314 | ||
5b7cf66c JH |
315 | stop_capture(); |
316 | ||
6ac6242b | 317 | // Check that at least one channel is enabled |
e6c1382e JH |
318 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
319 | if (sr_dev) { | |
320 | const auto channels = sr_dev->channels(); | |
321 | if (!std::any_of(channels.begin(), channels.end(), | |
322 | [](shared_ptr<Channel> channel) { | |
323 | return channel->enabled(); })) { | |
324 | error_handler(tr("No channels enabled.")); | |
325 | return; | |
326 | } | |
9c48fa57 JH |
327 | } |
328 | ||
53ea4c6c | 329 | // Clear signal data |
47e9e7bb SA |
330 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
331 | d->clear(); | |
53ea4c6c | 332 | |
101e7a9b SA |
333 | // Revert name back to default name (e.g. "Untitled-1") as the data is gone |
334 | name_ = default_name_; | |
335 | name_changed(); | |
336 | ||
9c48fa57 | 337 | // Begin the session |
8dbbc7f0 | 338 | sampling_thread_ = std::thread( |
2b05d311 | 339 | &Session::sample_thread_proc, this, error_handler); |
2e2946fe JH |
340 | } |
341 | ||
2b81ae46 | 342 | void Session::stop_capture() |
5b7cf66c | 343 | { |
04463625 | 344 | if (get_capture_state() != Stopped) |
da30ecb7 | 345 | device_->stop(); |
5b7cf66c JH |
346 | |
347 | // Check that sampling stopped | |
8dbbc7f0 JH |
348 | if (sampling_thread_.joinable()) |
349 | sampling_thread_.join(); | |
5b7cf66c JH |
350 | } |
351 | ||
47e9e7bb SA |
352 | void Session::register_view(std::shared_ptr<pv::view::View> view) |
353 | { | |
0f8f8c18 SA |
354 | if (views_.empty()) { |
355 | main_view_ = view; | |
356 | } | |
357 | ||
47e9e7bb SA |
358 | views_.insert(view); |
359 | } | |
360 | ||
361 | void Session::deregister_view(std::shared_ptr<pv::view::View> view) | |
362 | { | |
363 | views_.erase(view); | |
0f8f8c18 SA |
364 | |
365 | if (views_.empty()) { | |
366 | main_view_.reset(); | |
367 | ||
368 | // Without a view there can be no main bar | |
369 | main_bar_.reset(); | |
370 | } | |
47e9e7bb SA |
371 | } |
372 | ||
101e7a9b SA |
373 | bool Session::has_view(std::shared_ptr<pv::view::View> view) |
374 | { | |
375 | return views_.find(view) != views_.end(); | |
376 | } | |
377 | ||
2220e942 SA |
378 | double Session::get_samplerate() const |
379 | { | |
380 | double samplerate = 0.0; | |
381 | ||
47e9e7bb SA |
382 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
383 | assert(d); | |
384 | const vector< shared_ptr<pv::data::Segment> > segments = | |
385 | d->segments(); | |
386 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
387 | samplerate = std::max(samplerate, s->samplerate()); | |
2220e942 | 388 | } |
2220e942 SA |
389 | // If there is no sample rate given we use samples as unit |
390 | if (samplerate == 0.0) | |
391 | samplerate = 1.0; | |
392 | ||
393 | return samplerate; | |
394 | } | |
395 | ||
47e9e7bb SA |
396 | const std::unordered_set< std::shared_ptr<data::SignalBase> > |
397 | Session::signalbases() const | |
2e2946fe | 398 | { |
47e9e7bb | 399 | return signalbases_; |
2e2946fe JH |
400 | } |
401 | ||
269528f5 | 402 | #ifdef ENABLE_DECODE |
2b81ae46 | 403 | bool Session::add_decoder(srd_decoder *const dec) |
82c7f640 | 404 | { |
04394ded | 405 | map<const srd_channel*, shared_ptr<data::SignalBase> > channels; |
7491a29f | 406 | shared_ptr<data::DecoderStack> decoder_stack; |
4e5a4405 | 407 | |
2ad82c2e | 408 | try { |
4e5a4405 | 409 | // Create the decoder |
7491a29f | 410 | decoder_stack = shared_ptr<data::DecoderStack>( |
bdc5c3b0 | 411 | new data::DecoderStack(*this, dec)); |
4e5a4405 | 412 | |
6ac6242b ML |
413 | // Make a list of all the channels |
414 | std::vector<const srd_channel*> all_channels; | |
f3290553 | 415 | for (const GSList *i = dec->channels; i; i = i->next) |
6ac6242b | 416 | all_channels.push_back((const srd_channel*)i->data); |
f3290553 | 417 | for (const GSList *i = dec->opt_channels; i; i = i->next) |
6ac6242b | 418 | all_channels.push_back((const srd_channel*)i->data); |
d2f46d27 | 419 | |
6ac6242b ML |
420 | // Auto select the initial channels |
421 | for (const srd_channel *pdch : all_channels) | |
04394ded SA |
422 | for (shared_ptr<data::SignalBase> b : signalbases_) { |
423 | if (b->type() == ChannelType::LOGIC) { | |
424 | if (QString::fromUtf8(pdch->name).toLower(). | |
425 | contains(b->name().toLower())) | |
426 | channels[pdch] = b; | |
427 | } | |
4e5a4405 | 428 | } |
4e5a4405 | 429 | |
7491a29f JH |
430 | assert(decoder_stack); |
431 | assert(!decoder_stack->stack().empty()); | |
432 | assert(decoder_stack->stack().front()); | |
6ac6242b | 433 | decoder_stack->stack().front()->set_channels(channels); |
4e5a4405 JH |
434 | |
435 | // Create the decode signal | |
bf0edd2b SA |
436 | shared_ptr<data::SignalBase> signalbase = |
437 | shared_ptr<data::SignalBase>(new data::SignalBase(nullptr)); | |
438 | ||
bb7dd726 SA |
439 | signalbase->set_decoder_stack(decoder_stack); |
440 | ||
441 | for (std::shared_ptr<pv::view::View> view : views_) | |
442 | view->add_decode_trace(signalbase); | |
2ad82c2e | 443 | } catch (std::runtime_error e) { |
e92cd4e4 JH |
444 | return false; |
445 | } | |
446 | ||
82c7f640 | 447 | signals_changed(); |
e92cd4e4 | 448 | |
7491a29f JH |
449 | // Do an initial decode |
450 | decoder_stack->begin_decode(); | |
451 | ||
e92cd4e4 | 452 | return true; |
82c7f640 JH |
453 | } |
454 | ||
bb7dd726 | 455 | void Session::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
38eeddea | 456 | { |
bb7dd726 SA |
457 | for (std::shared_ptr<pv::view::View> view : views_) |
458 | view->remove_decode_trace(signalbase); | |
c51482b3 | 459 | } |
269528f5 | 460 | #endif |
c51482b3 | 461 | |
2b81ae46 | 462 | void Session::set_capture_state(capture_state state) |
6ac96c2e | 463 | { |
896936e5 TS |
464 | bool changed; |
465 | ||
466 | { | |
467 | lock_guard<mutex> lock(sampling_mutex_); | |
468 | changed = capture_state_ != state; | |
469 | capture_state_ = state; | |
470 | } | |
471 | ||
f3290553 | 472 | if (changed) |
2b49eeb0 | 473 | capture_state_changed(state); |
6ac96c2e JH |
474 | } |
475 | ||
ffe00119 | 476 | void Session::update_signals() |
b087ba7f | 477 | { |
076eefa4 | 478 | if (!device_) { |
47e9e7bb | 479 | signalbases_.clear(); |
076eefa4 | 480 | logic_data_.reset(); |
bb7dd726 | 481 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 482 | view->clear_signals(); |
bb7dd726 SA |
483 | #ifdef ENABLE_DECODE |
484 | view->clear_decode_traces(); | |
485 | #endif | |
486 | } | |
076eefa4 SA |
487 | return; |
488 | } | |
e6c1382e JH |
489 | |
490 | lock_guard<recursive_mutex> lock(data_mutex_); | |
b087ba7f | 491 | |
ffe00119 | 492 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
c6412b47 | 493 | if (!sr_dev) { |
47e9e7bb | 494 | signalbases_.clear(); |
c6412b47 | 495 | logic_data_.reset(); |
bb7dd726 | 496 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 497 | view->clear_signals(); |
bb7dd726 SA |
498 | #ifdef ENABLE_DECODE |
499 | view->clear_decode_traces(); | |
500 | #endif | |
501 | } | |
c6412b47 JH |
502 | return; |
503 | } | |
504 | ||
b087ba7f | 505 | // Detect what data types we will receive |
c6412b47 | 506 | auto channels = sr_dev->channels(); |
e8d00928 ML |
507 | unsigned int logic_channel_count = std::count_if( |
508 | channels.begin(), channels.end(), | |
509 | [] (shared_ptr<Channel> channel) { | |
510 | return channel->type() == ChannelType::LOGIC; }); | |
b087ba7f | 511 | |
f3d66e52 | 512 | // Create data containers for the logic data segments |
b087ba7f | 513 | { |
8524a597 | 514 | lock_guard<recursive_mutex> data_lock(data_mutex_); |
b087ba7f | 515 | |
3917ba77 JH |
516 | if (logic_channel_count == 0) { |
517 | logic_data_.reset(); | |
518 | } else if (!logic_data_ || | |
519 | logic_data_->num_channels() != logic_channel_count) { | |
8dbbc7f0 | 520 | logic_data_.reset(new data::Logic( |
6ac6242b | 521 | logic_channel_count)); |
8dbbc7f0 | 522 | assert(logic_data_); |
b087ba7f | 523 | } |
b087ba7f JH |
524 | } |
525 | ||
47e9e7bb SA |
526 | // Make the signals list |
527 | for (std::shared_ptr<pv::view::View> view : views_) { | |
528 | unordered_set< shared_ptr<view::Signal> > prev_sigs(view->signals()); | |
529 | view->clear_signals(); | |
b087ba7f | 530 | |
c6412b47 | 531 | for (auto channel : sr_dev->channels()) { |
bf0edd2b | 532 | shared_ptr<data::SignalBase> signalbase; |
39e680c2 | 533 | shared_ptr<view::Signal> signal; |
39e680c2 | 534 | |
3917ba77 JH |
535 | // Find the channel in the old signals |
536 | const auto iter = std::find_if( | |
537 | prev_sigs.cbegin(), prev_sigs.cend(), | |
538 | [&](const shared_ptr<view::Signal> &s) { | |
73a25a6e | 539 | return s->base()->channel() == channel; |
3917ba77 JH |
540 | }); |
541 | if (iter != prev_sigs.end()) { | |
542 | // Copy the signal from the old set to the new | |
543 | signal = *iter; | |
3917ba77 | 544 | } else { |
47e9e7bb SA |
545 | // Find the signalbase for this channel if possible |
546 | signalbase.reset(); | |
547 | for (const shared_ptr<data::SignalBase> b : signalbases_) | |
548 | if (b->channel() == channel) | |
549 | signalbase = b; | |
bf0edd2b | 550 | |
3917ba77 JH |
551 | switch(channel->type()->id()) { |
552 | case SR_CHANNEL_LOGIC: | |
47e9e7bb SA |
553 | if (!signalbase) { |
554 | signalbase = shared_ptr<data::SignalBase>( | |
555 | new data::SignalBase(channel)); | |
556 | signalbases_.insert(signalbase); | |
557 | ||
558 | all_signal_data_.insert(logic_data_); | |
559 | signalbase->set_data(logic_data_); | |
560 | } | |
561 | ||
3917ba77 JH |
562 | signal = shared_ptr<view::Signal>( |
563 | new view::LogicSignal(*this, | |
0aa57689 | 564 | device_, signalbase)); |
47e9e7bb | 565 | view->add_signal(signal); |
3917ba77 JH |
566 | break; |
567 | ||
568 | case SR_CHANNEL_ANALOG: | |
569 | { | |
47e9e7bb SA |
570 | if (!signalbase) { |
571 | signalbase = shared_ptr<data::SignalBase>( | |
572 | new data::SignalBase(channel)); | |
573 | signalbases_.insert(signalbase); | |
574 | ||
575 | shared_ptr<data::Analog> data(new data::Analog()); | |
576 | all_signal_data_.insert(data); | |
577 | signalbase->set_data(data); | |
578 | } | |
579 | ||
3917ba77 JH |
580 | signal = shared_ptr<view::Signal>( |
581 | new view::AnalogSignal( | |
cbd2a2de | 582 | *this, signalbase)); |
47e9e7bb | 583 | view->add_signal(signal); |
3917ba77 JH |
584 | break; |
585 | } | |
586 | ||
587 | default: | |
588 | assert(0); | |
589 | break; | |
590 | } | |
b087ba7f JH |
591 | } |
592 | } | |
fbd3e234 | 593 | } |
b087ba7f JH |
594 | |
595 | signals_changed(); | |
596 | } | |
597 | ||
cbd2a2de | 598 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( |
bf0edd2b | 599 | shared_ptr<sigrok::Channel> channel) const |
3ddcc083 | 600 | { |
bf0edd2b | 601 | for (shared_ptr<data::SignalBase> sig : signalbases_) { |
3ddcc083 | 602 | assert(sig); |
6ac6242b | 603 | if (sig->channel() == channel) |
3ddcc083 JH |
604 | return sig; |
605 | } | |
bf0edd2b | 606 | return shared_ptr<data::SignalBase>(); |
3ddcc083 JH |
607 | } |
608 | ||
2b05d311 | 609 | void Session::sample_thread_proc(function<void (const QString)> error_handler) |
274d4f13 | 610 | { |
f2edb557 | 611 | assert(error_handler); |
be73bdfa | 612 | |
34c11fa7 SA |
613 | if (!device_) |
614 | return; | |
45f0c7c9 | 615 | |
b48daed6 | 616 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); |
274d4f13 | 617 | |
e7216ae0 SA |
618 | out_of_memory_ = false; |
619 | ||
ae2d1bc5 | 620 | try { |
5237f0c5 | 621 | device_->start(); |
2ad82c2e | 622 | } catch (Error e) { |
e8d00928 | 623 | error_handler(e.what()); |
eec446e1 JH |
624 | return; |
625 | } | |
626 | ||
da30ecb7 | 627 | set_capture_state(device_->session()->trigger() ? |
07dcf561 | 628 | AwaitingTrigger : Running); |
eec446e1 | 629 | |
da30ecb7 | 630 | device_->run(); |
eec446e1 | 631 | set_capture_state(Stopped); |
1a2fe44c JH |
632 | |
633 | // Confirm that SR_DF_END was received | |
2ad82c2e | 634 | if (cur_logic_segment_) { |
bb2cdfff JH |
635 | qDebug("SR_DF_END was not received."); |
636 | assert(0); | |
637 | } | |
e7216ae0 SA |
638 | |
639 | if (out_of_memory_) | |
640 | error_handler(tr("Out of memory, acquisition stopped.")); | |
eec446e1 JH |
641 | } |
642 | ||
da30ecb7 | 643 | void Session::feed_in_header() |
eec446e1 | 644 | { |
b48daed6 | 645 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); |
be73bdfa JH |
646 | } |
647 | ||
da30ecb7 | 648 | void Session::feed_in_meta(shared_ptr<Meta> meta) |
be73bdfa | 649 | { |
e8d00928 ML |
650 | for (auto entry : meta->config()) { |
651 | switch (entry.first->id()) { | |
be73bdfa | 652 | case SR_CONF_SAMPLERATE: |
8a7b603b SA |
653 | // We can't rely on the header to always contain the sample rate, |
654 | // so in case it's supplied via a meta packet, we use it. | |
655 | if (!cur_samplerate_) | |
656 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
657 | ||
be73bdfa | 658 | /// @todo handle samplerate changes |
be73bdfa JH |
659 | break; |
660 | default: | |
661 | // Unknown metadata is not an error. | |
662 | break; | |
663 | } | |
aba1dd16 | 664 | } |
74043039 JH |
665 | |
666 | signals_changed(); | |
aba1dd16 JH |
667 | } |
668 | ||
48257a69 SA |
669 | void Session::feed_in_trigger() |
670 | { | |
671 | // The channel containing most samples should be most accurate | |
672 | uint64_t sample_count = 0; | |
673 | ||
cc9a7898 | 674 | { |
cc9a7898 SA |
675 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
676 | assert(d); | |
677 | uint64_t temp_count = 0; | |
678 | ||
679 | const vector< shared_ptr<pv::data::Segment> > segments = | |
680 | d->segments(); | |
681 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
682 | temp_count += s->get_sample_count(); | |
683 | ||
684 | if (temp_count > sample_count) | |
685 | sample_count = temp_count; | |
686 | } | |
48257a69 SA |
687 | } |
688 | ||
689 | trigger_event(sample_count / get_samplerate()); | |
690 | } | |
691 | ||
2b81ae46 | 692 | void Session::feed_in_frame_begin() |
82f50b10 | 693 | { |
f3d66e52 | 694 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) |
82f50b10 JH |
695 | frame_began(); |
696 | } | |
697 | ||
2b81ae46 | 698 | void Session::feed_in_logic(shared_ptr<Logic> logic) |
9c112671 | 699 | { |
8524a597 | 700 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 701 | |
ff4bf6bd SA |
702 | const size_t sample_count = logic->data_length() / logic->unit_size(); |
703 | ||
2ad82c2e | 704 | if (!logic_data_) { |
e6c1382e JH |
705 | // The only reason logic_data_ would not have been created is |
706 | // if it was not possible to determine the signals when the | |
707 | // device was created. | |
708 | update_signals(); | |
79efbc53 | 709 | } |
be73bdfa | 710 | |
2ad82c2e | 711 | if (!cur_logic_segment_) { |
bb2cdfff | 712 | // This could be the first packet after a trigger |
2b49eeb0 JH |
713 | set_capture_state(Running); |
714 | ||
f3d66e52 JH |
715 | // Create a new data segment |
716 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
717 | new data::LogicSegment( | |
ff4bf6bd | 718 | logic, cur_samplerate_, sample_count)); |
f3d66e52 | 719 | logic_data_->push_segment(cur_logic_segment_); |
82f50b10 JH |
720 | |
721 | // @todo Putting this here means that only listeners querying | |
722 | // for logic will be notified. Currently the only user of | |
723 | // frame_began is DecoderStack, but in future we need to signal | |
724 | // this after both analog and logic sweeps have begun. | |
725 | frame_began(); | |
2ad82c2e | 726 | } else { |
f3d66e52 JH |
727 | // Append to the existing data segment |
728 | cur_logic_segment_->append_payload(logic); | |
9c112671 JH |
729 | } |
730 | ||
1f374035 | 731 | data_received(); |
9c112671 JH |
732 | } |
733 | ||
2b81ae46 | 734 | void Session::feed_in_analog(shared_ptr<Analog> analog) |
aba1dd16 | 735 | { |
8524a597 | 736 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 737 | |
e8d00928 ML |
738 | const vector<shared_ptr<Channel>> channels = analog->channels(); |
739 | const unsigned int channel_count = channels.size(); | |
740 | const size_t sample_count = analog->num_samples() / channel_count; | |
475f4d08 | 741 | const float *data = static_cast<const float *>(analog->data_pointer()); |
bb2cdfff | 742 | bool sweep_beginning = false; |
be73bdfa | 743 | |
47e9e7bb | 744 | if (signalbases_.empty()) |
a3f678a7 | 745 | update_signals(); |
a3f678a7 | 746 | |
2ad82c2e | 747 | for (auto channel : channels) { |
f3d66e52 | 748 | shared_ptr<data::AnalogSegment> segment; |
2b49eeb0 | 749 | |
f3d66e52 JH |
750 | // Try to get the segment of the channel |
751 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
752 | iterator iter = cur_analog_segments_.find(channel); | |
753 | if (iter != cur_analog_segments_.end()) | |
754 | segment = (*iter).second; | |
2ad82c2e | 755 | else { |
39ccf9c3 | 756 | // If no segment was found, this means we haven't |
bb2cdfff | 757 | // created one yet. i.e. this is the first packet |
f3d66e52 | 758 | // in the sweep containing this segment. |
bb2cdfff JH |
759 | sweep_beginning = true; |
760 | ||
f3d66e52 JH |
761 | // Create a segment, keep it in the maps of channels |
762 | segment = shared_ptr<data::AnalogSegment>( | |
763 | new data::AnalogSegment( | |
ff4bf6bd | 764 | cur_samplerate_, sample_count)); |
f3d66e52 | 765 | cur_analog_segments_[channel] = segment; |
bb2cdfff | 766 | |
ff4bf6bd | 767 | // Find the analog data associated with the channel |
cbd2a2de SA |
768 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); |
769 | assert(base); | |
bb2cdfff | 770 | |
cbd2a2de | 771 | shared_ptr<data::Analog> data(base->analog_data()); |
bb2cdfff JH |
772 | assert(data); |
773 | ||
f3d66e52 JH |
774 | // Push the segment into the analog data. |
775 | data->push_segment(segment); | |
bb2cdfff JH |
776 | } |
777 | ||
f3d66e52 | 778 | assert(segment); |
bb2cdfff | 779 | |
f3d66e52 JH |
780 | // Append the samples in the segment |
781 | segment->append_interleaved_samples(data++, sample_count, | |
6ac6242b | 782 | channel_count); |
aba1dd16 | 783 | } |
bb2cdfff JH |
784 | |
785 | if (sweep_beginning) { | |
786 | // This could be the first packet after a trigger | |
787 | set_capture_state(Running); | |
aba1dd16 JH |
788 | } |
789 | ||
1f374035 | 790 | data_received(); |
aba1dd16 | 791 | } |
9c112671 | 792 | |
da30ecb7 JH |
793 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, |
794 | shared_ptr<Packet> packet) | |
b0e1d01d | 795 | { |
da30ecb7 JH |
796 | (void)device; |
797 | ||
e8d00928 | 798 | assert(device); |
da30ecb7 | 799 | assert(device == device_->device()); |
b0e1d01d JH |
800 | assert(packet); |
801 | ||
e8d00928 | 802 | switch (packet->type()->id()) { |
b0e1d01d | 803 | case SR_DF_HEADER: |
da30ecb7 | 804 | feed_in_header(); |
b0e1d01d JH |
805 | break; |
806 | ||
be73bdfa | 807 | case SR_DF_META: |
da30ecb7 | 808 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); |
aba1dd16 JH |
809 | break; |
810 | ||
48257a69 SA |
811 | case SR_DF_TRIGGER: |
812 | feed_in_trigger(); | |
813 | break; | |
814 | ||
82f50b10 JH |
815 | case SR_DF_FRAME_BEGIN: |
816 | feed_in_frame_begin(); | |
817 | break; | |
818 | ||
2e2946fe | 819 | case SR_DF_LOGIC: |
e7216ae0 SA |
820 | try { |
821 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
822 | } catch (std::bad_alloc) { | |
823 | out_of_memory_ = true; | |
824 | device_->stop(); | |
825 | } | |
2953961c JH |
826 | break; |
827 | ||
aba1dd16 | 828 | case SR_DF_ANALOG: |
e7216ae0 SA |
829 | try { |
830 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
831 | } catch (std::bad_alloc) { | |
832 | out_of_memory_ = true; | |
833 | device_->stop(); | |
834 | } | |
aba1dd16 JH |
835 | break; |
836 | ||
2953961c | 837 | case SR_DF_END: |
2e2946fe JH |
838 | { |
839 | { | |
8524a597 | 840 | lock_guard<recursive_mutex> lock(data_mutex_); |
f3d66e52 JH |
841 | cur_logic_segment_.reset(); |
842 | cur_analog_segments_.clear(); | |
2e2946fe | 843 | } |
1f374035 | 844 | frame_ended(); |
2953961c JH |
845 | break; |
846 | } | |
adb0a983 ML |
847 | default: |
848 | break; | |
2e2946fe | 849 | } |
2953961c JH |
850 | } |
851 | ||
51e77110 | 852 | } // namespace pv |