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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 | ||
269528f5 | 29 | #ifdef ENABLE_DECODE |
4e5a4405 | 30 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 31 | #endif |
4e5a4405 | 32 | |
f65cd27b | 33 | #include "session.hpp" |
2953961c | 34 | |
2acdb232 | 35 | #include "devicemanager.hpp" |
119aff65 | 36 | |
2acdb232 | 37 | #include "data/analog.hpp" |
f3d66e52 | 38 | #include "data/analogsegment.hpp" |
2acdb232 JH |
39 | #include "data/decoderstack.hpp" |
40 | #include "data/logic.hpp" | |
f3d66e52 | 41 | #include "data/logicsegment.hpp" |
bf0edd2b | 42 | #include "data/signalbase.hpp" |
2acdb232 | 43 | #include "data/decode/decoder.hpp" |
82c7f640 | 44 | |
da30ecb7 JH |
45 | #include "devices/hardwaredevice.hpp" |
46 | #include "devices/sessionfile.hpp" | |
47 | ||
0f8f8c18 SA |
48 | #include "toolbars/mainbar.hpp" |
49 | ||
2acdb232 JH |
50 | #include "view/analogsignal.hpp" |
51 | #include "view/decodetrace.hpp" | |
52 | #include "view/logicsignal.hpp" | |
47e9e7bb SA |
53 | #include "view/signal.hpp" |
54 | #include "view/view.hpp" | |
28a4c9c5 | 55 | |
3b68d03d JH |
56 | #include <cassert> |
57 | #include <mutex> | |
e92cd4e4 JH |
58 | #include <stdexcept> |
59 | ||
728e5ef7 JH |
60 | #include <sys/stat.h> |
61 | ||
79efbc53 JH |
62 | #include <QDebug> |
63 | ||
fe3a1c21 | 64 | #include <libsigrokcxx/libsigrokcxx.hpp> |
e8d00928 | 65 | |
aca64cac JH |
66 | using boost::shared_lock; |
67 | using boost::shared_mutex; | |
68 | using boost::unique_lock; | |
69 | ||
f9abf97e | 70 | using std::dynamic_pointer_cast; |
d2344534 | 71 | using std::function; |
3b68d03d | 72 | using std::lock_guard; |
d873f4d6 | 73 | using std::list; |
819f4c25 | 74 | using std::map; |
aca64cac | 75 | using std::mutex; |
8524a597 | 76 | using std::recursive_mutex; |
02412f0b | 77 | using std::set; |
f9abf97e | 78 | using std::shared_ptr; |
819f4c25 | 79 | using std::string; |
78b0af3e | 80 | using std::unordered_set; |
819f4c25 | 81 | using std::vector; |
28a4c9c5 | 82 | |
e8d00928 ML |
83 | using sigrok::Analog; |
84 | using sigrok::Channel; | |
85 | using sigrok::ChannelType; | |
86 | using sigrok::ConfigKey; | |
87 | using sigrok::DatafeedCallbackFunction; | |
e8d00928 | 88 | using sigrok::Error; |
e8d00928 ML |
89 | using sigrok::Header; |
90 | using sigrok::Logic; | |
91 | using sigrok::Meta; | |
92 | using sigrok::Packet; | |
93 | using sigrok::PacketPayload; | |
94 | using sigrok::Session; | |
95 | using sigrok::SessionDevice; | |
96 | ||
97 | using Glib::VariantBase; | |
98 | using Glib::Variant; | |
51e77110 | 99 | |
e8d00928 | 100 | namespace pv { |
2b81ae46 | 101 | Session::Session(DeviceManager &device_manager) : |
8dbbc7f0 | 102 | device_manager_(device_manager), |
ff008de6 JH |
103 | capture_state_(Stopped), |
104 | cur_samplerate_(0) | |
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 | ||
0f8f8c18 SA |
136 | std::shared_ptr<pv::view::View> Session::main_view() const |
137 | { | |
138 | return main_view_; | |
139 | } | |
140 | ||
141 | void Session::set_main_bar(std::shared_ptr<pv::toolbars::MainBar> main_bar) | |
142 | { | |
143 | main_bar_ = main_bar; | |
144 | } | |
145 | ||
146 | shared_ptr<pv::toolbars::MainBar> Session::main_bar() const | |
147 | { | |
148 | return main_bar_; | |
149 | } | |
150 | ||
da30ecb7 | 151 | void Session::set_device(shared_ptr<devices::Device> device) |
d64d1596 | 152 | { |
da30ecb7 JH |
153 | assert(device); |
154 | ||
82596f46 JH |
155 | // Ensure we are not capturing before setting the device |
156 | stop_capture(); | |
157 | ||
4d6c6ea3 SA |
158 | if (device_) |
159 | device_->close(); | |
160 | ||
86123e2e SA |
161 | device_.reset(); |
162 | ||
cc9a7898 | 163 | // Remove all stored data |
bb7dd726 | 164 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 165 | view->clear_signals(); |
bb7dd726 SA |
166 | #ifdef ENABLE_DECODE |
167 | view->clear_decode_traces(); | |
168 | #endif | |
169 | } | |
47e9e7bb SA |
170 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
171 | d->clear(); | |
cc9a7898 | 172 | all_signal_data_.clear(); |
47e9e7bb | 173 | signalbases_.clear(); |
4b0d7046 SA |
174 | cur_logic_segment_.reset(); |
175 | ||
176 | for (auto entry : cur_analog_segments_) { | |
177 | shared_ptr<sigrok::Channel>(entry.first).reset(); | |
178 | shared_ptr<data::AnalogSegment>(entry.second).reset(); | |
179 | } | |
180 | ||
181 | logic_data_.reset(); | |
4b0d7046 | 182 | |
86123e2e SA |
183 | signals_changed(); |
184 | ||
da30ecb7 | 185 | device_ = std::move(device); |
7e0c99bf SA |
186 | |
187 | try { | |
188 | device_->open(); | |
189 | } catch (const QString &e) { | |
190 | device_.reset(); | |
191 | device_selected(); | |
192 | throw; | |
193 | } | |
194 | ||
da30ecb7 JH |
195 | device_->session()->add_datafeed_callback([=] |
196 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
197 | data_feed_in(device, packet); | |
198 | }); | |
ae2d1bc5 | 199 | |
4b8e787d | 200 | update_signals(); |
20f81a58 | 201 | device_selected(); |
ae2d1bc5 | 202 | } |
85843b14 | 203 | |
2b81ae46 | 204 | void Session::set_default_device() |
6fd0b639 | 205 | { |
da30ecb7 | 206 | const list< shared_ptr<devices::HardwareDevice> > &devices = |
8dbbc7f0 | 207 | device_manager_.devices(); |
6fd0b639 | 208 | |
da30ecb7 JH |
209 | if (devices.empty()) |
210 | return; | |
dc0867ff | 211 | |
da30ecb7 JH |
212 | // Try and find the demo device and select that by default |
213 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
214 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
215 | return d->hardware_device()->driver()->name() == | |
216 | "demo"; }); | |
217 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
dc0867ff JH |
218 | } |
219 | ||
2b81ae46 | 220 | Session::capture_state Session::get_capture_state() const |
5b7cf66c | 221 | { |
8dbbc7f0 JH |
222 | lock_guard<mutex> lock(sampling_mutex_); |
223 | return capture_state_; | |
5b7cf66c JH |
224 | } |
225 | ||
2b81ae46 | 226 | void Session::start_capture(function<void (const QString)> error_handler) |
2e2946fe | 227 | { |
34c11fa7 SA |
228 | if (!device_) { |
229 | error_handler(tr("No active device set, can't start acquisition.")); | |
230 | return; | |
231 | } | |
232 | ||
5b7cf66c JH |
233 | stop_capture(); |
234 | ||
6ac6242b | 235 | // Check that at least one channel is enabled |
e6c1382e JH |
236 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
237 | if (sr_dev) { | |
238 | const auto channels = sr_dev->channels(); | |
239 | if (!std::any_of(channels.begin(), channels.end(), | |
240 | [](shared_ptr<Channel> channel) { | |
241 | return channel->enabled(); })) { | |
242 | error_handler(tr("No channels enabled.")); | |
243 | return; | |
244 | } | |
9c48fa57 JH |
245 | } |
246 | ||
53ea4c6c | 247 | // Clear signal data |
47e9e7bb SA |
248 | for (const shared_ptr<data::SignalData> d : all_signal_data_) |
249 | d->clear(); | |
53ea4c6c | 250 | |
9c48fa57 | 251 | // Begin the session |
8dbbc7f0 | 252 | sampling_thread_ = std::thread( |
2b05d311 | 253 | &Session::sample_thread_proc, this, error_handler); |
2e2946fe JH |
254 | } |
255 | ||
2b81ae46 | 256 | void Session::stop_capture() |
5b7cf66c | 257 | { |
04463625 | 258 | if (get_capture_state() != Stopped) |
da30ecb7 | 259 | device_->stop(); |
5b7cf66c JH |
260 | |
261 | // Check that sampling stopped | |
8dbbc7f0 JH |
262 | if (sampling_thread_.joinable()) |
263 | sampling_thread_.join(); | |
5b7cf66c JH |
264 | } |
265 | ||
47e9e7bb SA |
266 | void Session::register_view(std::shared_ptr<pv::view::View> view) |
267 | { | |
0f8f8c18 SA |
268 | if (views_.empty()) { |
269 | main_view_ = view; | |
270 | } | |
271 | ||
47e9e7bb SA |
272 | views_.insert(view); |
273 | } | |
274 | ||
275 | void Session::deregister_view(std::shared_ptr<pv::view::View> view) | |
276 | { | |
277 | views_.erase(view); | |
0f8f8c18 SA |
278 | |
279 | if (views_.empty()) { | |
280 | main_view_.reset(); | |
281 | ||
282 | // Without a view there can be no main bar | |
283 | main_bar_.reset(); | |
284 | } | |
47e9e7bb SA |
285 | } |
286 | ||
2220e942 SA |
287 | double Session::get_samplerate() const |
288 | { | |
289 | double samplerate = 0.0; | |
290 | ||
47e9e7bb SA |
291 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
292 | assert(d); | |
293 | const vector< shared_ptr<pv::data::Segment> > segments = | |
294 | d->segments(); | |
295 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
296 | samplerate = std::max(samplerate, s->samplerate()); | |
2220e942 | 297 | } |
2220e942 SA |
298 | // If there is no sample rate given we use samples as unit |
299 | if (samplerate == 0.0) | |
300 | samplerate = 1.0; | |
301 | ||
302 | return samplerate; | |
303 | } | |
304 | ||
47e9e7bb SA |
305 | const std::unordered_set< std::shared_ptr<data::SignalBase> > |
306 | Session::signalbases() const | |
2e2946fe | 307 | { |
47e9e7bb | 308 | return signalbases_; |
2e2946fe JH |
309 | } |
310 | ||
269528f5 | 311 | #ifdef ENABLE_DECODE |
2b81ae46 | 312 | bool Session::add_decoder(srd_decoder *const dec) |
82c7f640 | 313 | { |
04394ded | 314 | map<const srd_channel*, shared_ptr<data::SignalBase> > channels; |
7491a29f | 315 | shared_ptr<data::DecoderStack> decoder_stack; |
4e5a4405 | 316 | |
2ad82c2e | 317 | try { |
4e5a4405 | 318 | // Create the decoder |
7491a29f | 319 | decoder_stack = shared_ptr<data::DecoderStack>( |
bdc5c3b0 | 320 | new data::DecoderStack(*this, dec)); |
4e5a4405 | 321 | |
6ac6242b ML |
322 | // Make a list of all the channels |
323 | std::vector<const srd_channel*> all_channels; | |
f3290553 | 324 | for (const GSList *i = dec->channels; i; i = i->next) |
6ac6242b | 325 | all_channels.push_back((const srd_channel*)i->data); |
f3290553 | 326 | for (const GSList *i = dec->opt_channels; i; i = i->next) |
6ac6242b | 327 | all_channels.push_back((const srd_channel*)i->data); |
d2f46d27 | 328 | |
6ac6242b ML |
329 | // Auto select the initial channels |
330 | for (const srd_channel *pdch : all_channels) | |
04394ded SA |
331 | for (shared_ptr<data::SignalBase> b : signalbases_) { |
332 | if (b->type() == ChannelType::LOGIC) { | |
333 | if (QString::fromUtf8(pdch->name).toLower(). | |
334 | contains(b->name().toLower())) | |
335 | channels[pdch] = b; | |
336 | } | |
4e5a4405 | 337 | } |
4e5a4405 | 338 | |
7491a29f JH |
339 | assert(decoder_stack); |
340 | assert(!decoder_stack->stack().empty()); | |
341 | assert(decoder_stack->stack().front()); | |
6ac6242b | 342 | decoder_stack->stack().front()->set_channels(channels); |
4e5a4405 JH |
343 | |
344 | // Create the decode signal | |
bf0edd2b SA |
345 | shared_ptr<data::SignalBase> signalbase = |
346 | shared_ptr<data::SignalBase>(new data::SignalBase(nullptr)); | |
347 | ||
bb7dd726 SA |
348 | signalbase->set_decoder_stack(decoder_stack); |
349 | ||
350 | for (std::shared_ptr<pv::view::View> view : views_) | |
351 | view->add_decode_trace(signalbase); | |
2ad82c2e | 352 | } catch (std::runtime_error e) { |
e92cd4e4 JH |
353 | return false; |
354 | } | |
355 | ||
82c7f640 | 356 | signals_changed(); |
e92cd4e4 | 357 | |
7491a29f JH |
358 | // Do an initial decode |
359 | decoder_stack->begin_decode(); | |
360 | ||
e92cd4e4 | 361 | return true; |
82c7f640 JH |
362 | } |
363 | ||
bb7dd726 | 364 | void Session::remove_decode_signal(shared_ptr<data::SignalBase> signalbase) |
38eeddea | 365 | { |
bb7dd726 SA |
366 | for (std::shared_ptr<pv::view::View> view : views_) |
367 | view->remove_decode_trace(signalbase); | |
c51482b3 | 368 | } |
269528f5 | 369 | #endif |
c51482b3 | 370 | |
2b81ae46 | 371 | void Session::set_capture_state(capture_state state) |
6ac96c2e | 372 | { |
896936e5 TS |
373 | bool changed; |
374 | ||
375 | { | |
376 | lock_guard<mutex> lock(sampling_mutex_); | |
377 | changed = capture_state_ != state; | |
378 | capture_state_ = state; | |
379 | } | |
380 | ||
f3290553 | 381 | if (changed) |
2b49eeb0 | 382 | capture_state_changed(state); |
6ac96c2e JH |
383 | } |
384 | ||
ffe00119 | 385 | void Session::update_signals() |
b087ba7f | 386 | { |
076eefa4 | 387 | if (!device_) { |
47e9e7bb | 388 | signalbases_.clear(); |
076eefa4 | 389 | logic_data_.reset(); |
bb7dd726 | 390 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 391 | view->clear_signals(); |
bb7dd726 SA |
392 | #ifdef ENABLE_DECODE |
393 | view->clear_decode_traces(); | |
394 | #endif | |
395 | } | |
076eefa4 SA |
396 | return; |
397 | } | |
e6c1382e JH |
398 | |
399 | lock_guard<recursive_mutex> lock(data_mutex_); | |
b087ba7f | 400 | |
ffe00119 | 401 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); |
c6412b47 | 402 | if (!sr_dev) { |
47e9e7bb | 403 | signalbases_.clear(); |
c6412b47 | 404 | logic_data_.reset(); |
bb7dd726 | 405 | for (std::shared_ptr<pv::view::View> view : views_) { |
47e9e7bb | 406 | view->clear_signals(); |
bb7dd726 SA |
407 | #ifdef ENABLE_DECODE |
408 | view->clear_decode_traces(); | |
409 | #endif | |
410 | } | |
c6412b47 JH |
411 | return; |
412 | } | |
413 | ||
b087ba7f | 414 | // Detect what data types we will receive |
c6412b47 | 415 | auto channels = sr_dev->channels(); |
e8d00928 ML |
416 | unsigned int logic_channel_count = std::count_if( |
417 | channels.begin(), channels.end(), | |
418 | [] (shared_ptr<Channel> channel) { | |
419 | return channel->type() == ChannelType::LOGIC; }); | |
b087ba7f | 420 | |
f3d66e52 | 421 | // Create data containers for the logic data segments |
b087ba7f | 422 | { |
8524a597 | 423 | lock_guard<recursive_mutex> data_lock(data_mutex_); |
b087ba7f | 424 | |
3917ba77 JH |
425 | if (logic_channel_count == 0) { |
426 | logic_data_.reset(); | |
427 | } else if (!logic_data_ || | |
428 | logic_data_->num_channels() != logic_channel_count) { | |
8dbbc7f0 | 429 | logic_data_.reset(new data::Logic( |
6ac6242b | 430 | logic_channel_count)); |
8dbbc7f0 | 431 | assert(logic_data_); |
b087ba7f | 432 | } |
b087ba7f JH |
433 | } |
434 | ||
47e9e7bb SA |
435 | // Make the signals list |
436 | for (std::shared_ptr<pv::view::View> view : views_) { | |
437 | unordered_set< shared_ptr<view::Signal> > prev_sigs(view->signals()); | |
438 | view->clear_signals(); | |
b087ba7f | 439 | |
c6412b47 | 440 | for (auto channel : sr_dev->channels()) { |
bf0edd2b | 441 | shared_ptr<data::SignalBase> signalbase; |
39e680c2 | 442 | shared_ptr<view::Signal> signal; |
39e680c2 | 443 | |
3917ba77 JH |
444 | // Find the channel in the old signals |
445 | const auto iter = std::find_if( | |
446 | prev_sigs.cbegin(), prev_sigs.cend(), | |
447 | [&](const shared_ptr<view::Signal> &s) { | |
73a25a6e | 448 | return s->base()->channel() == channel; |
3917ba77 JH |
449 | }); |
450 | if (iter != prev_sigs.end()) { | |
451 | // Copy the signal from the old set to the new | |
452 | signal = *iter; | |
3917ba77 | 453 | } else { |
47e9e7bb SA |
454 | // Find the signalbase for this channel if possible |
455 | signalbase.reset(); | |
456 | for (const shared_ptr<data::SignalBase> b : signalbases_) | |
457 | if (b->channel() == channel) | |
458 | signalbase = b; | |
bf0edd2b | 459 | |
3917ba77 JH |
460 | switch(channel->type()->id()) { |
461 | case SR_CHANNEL_LOGIC: | |
47e9e7bb SA |
462 | if (!signalbase) { |
463 | signalbase = shared_ptr<data::SignalBase>( | |
464 | new data::SignalBase(channel)); | |
465 | signalbases_.insert(signalbase); | |
466 | ||
467 | all_signal_data_.insert(logic_data_); | |
468 | signalbase->set_data(logic_data_); | |
469 | } | |
470 | ||
3917ba77 JH |
471 | signal = shared_ptr<view::Signal>( |
472 | new view::LogicSignal(*this, | |
0aa57689 | 473 | device_, signalbase)); |
47e9e7bb | 474 | view->add_signal(signal); |
3917ba77 JH |
475 | break; |
476 | ||
477 | case SR_CHANNEL_ANALOG: | |
478 | { | |
47e9e7bb SA |
479 | if (!signalbase) { |
480 | signalbase = shared_ptr<data::SignalBase>( | |
481 | new data::SignalBase(channel)); | |
482 | signalbases_.insert(signalbase); | |
483 | ||
484 | shared_ptr<data::Analog> data(new data::Analog()); | |
485 | all_signal_data_.insert(data); | |
486 | signalbase->set_data(data); | |
487 | } | |
488 | ||
3917ba77 JH |
489 | signal = shared_ptr<view::Signal>( |
490 | new view::AnalogSignal( | |
cbd2a2de | 491 | *this, signalbase)); |
47e9e7bb | 492 | view->add_signal(signal); |
3917ba77 JH |
493 | break; |
494 | } | |
495 | ||
496 | default: | |
497 | assert(0); | |
498 | break; | |
499 | } | |
b087ba7f JH |
500 | } |
501 | } | |
fbd3e234 | 502 | } |
b087ba7f JH |
503 | |
504 | signals_changed(); | |
505 | } | |
506 | ||
cbd2a2de | 507 | shared_ptr<data::SignalBase> Session::signalbase_from_channel( |
bf0edd2b | 508 | shared_ptr<sigrok::Channel> channel) const |
3ddcc083 | 509 | { |
bf0edd2b | 510 | for (shared_ptr<data::SignalBase> sig : signalbases_) { |
3ddcc083 | 511 | assert(sig); |
6ac6242b | 512 | if (sig->channel() == channel) |
3ddcc083 JH |
513 | return sig; |
514 | } | |
bf0edd2b | 515 | return shared_ptr<data::SignalBase>(); |
3ddcc083 JH |
516 | } |
517 | ||
2b05d311 | 518 | void Session::sample_thread_proc(function<void (const QString)> error_handler) |
274d4f13 | 519 | { |
f2edb557 | 520 | assert(error_handler); |
be73bdfa | 521 | |
34c11fa7 SA |
522 | if (!device_) |
523 | return; | |
45f0c7c9 | 524 | |
b48daed6 | 525 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); |
274d4f13 | 526 | |
e7216ae0 SA |
527 | out_of_memory_ = false; |
528 | ||
ae2d1bc5 | 529 | try { |
5237f0c5 | 530 | device_->start(); |
2ad82c2e | 531 | } catch (Error e) { |
e8d00928 | 532 | error_handler(e.what()); |
eec446e1 JH |
533 | return; |
534 | } | |
535 | ||
da30ecb7 | 536 | set_capture_state(device_->session()->trigger() ? |
07dcf561 | 537 | AwaitingTrigger : Running); |
eec446e1 | 538 | |
da30ecb7 | 539 | device_->run(); |
eec446e1 | 540 | set_capture_state(Stopped); |
1a2fe44c JH |
541 | |
542 | // Confirm that SR_DF_END was received | |
2ad82c2e | 543 | if (cur_logic_segment_) { |
bb2cdfff JH |
544 | qDebug("SR_DF_END was not received."); |
545 | assert(0); | |
546 | } | |
e7216ae0 SA |
547 | |
548 | if (out_of_memory_) | |
549 | error_handler(tr("Out of memory, acquisition stopped.")); | |
eec446e1 JH |
550 | } |
551 | ||
da30ecb7 | 552 | void Session::feed_in_header() |
eec446e1 | 553 | { |
b48daed6 | 554 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); |
be73bdfa JH |
555 | } |
556 | ||
da30ecb7 | 557 | void Session::feed_in_meta(shared_ptr<Meta> meta) |
be73bdfa | 558 | { |
e8d00928 ML |
559 | for (auto entry : meta->config()) { |
560 | switch (entry.first->id()) { | |
be73bdfa | 561 | case SR_CONF_SAMPLERATE: |
8a7b603b SA |
562 | // We can't rely on the header to always contain the sample rate, |
563 | // so in case it's supplied via a meta packet, we use it. | |
564 | if (!cur_samplerate_) | |
565 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
566 | ||
be73bdfa | 567 | /// @todo handle samplerate changes |
be73bdfa JH |
568 | break; |
569 | default: | |
570 | // Unknown metadata is not an error. | |
571 | break; | |
572 | } | |
aba1dd16 | 573 | } |
74043039 JH |
574 | |
575 | signals_changed(); | |
aba1dd16 JH |
576 | } |
577 | ||
48257a69 SA |
578 | void Session::feed_in_trigger() |
579 | { | |
580 | // The channel containing most samples should be most accurate | |
581 | uint64_t sample_count = 0; | |
582 | ||
cc9a7898 | 583 | { |
cc9a7898 SA |
584 | for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) { |
585 | assert(d); | |
586 | uint64_t temp_count = 0; | |
587 | ||
588 | const vector< shared_ptr<pv::data::Segment> > segments = | |
589 | d->segments(); | |
590 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
591 | temp_count += s->get_sample_count(); | |
592 | ||
593 | if (temp_count > sample_count) | |
594 | sample_count = temp_count; | |
595 | } | |
48257a69 SA |
596 | } |
597 | ||
598 | trigger_event(sample_count / get_samplerate()); | |
599 | } | |
600 | ||
2b81ae46 | 601 | void Session::feed_in_frame_begin() |
82f50b10 | 602 | { |
f3d66e52 | 603 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) |
82f50b10 JH |
604 | frame_began(); |
605 | } | |
606 | ||
2b81ae46 | 607 | void Session::feed_in_logic(shared_ptr<Logic> logic) |
9c112671 | 608 | { |
8524a597 | 609 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 610 | |
ff4bf6bd SA |
611 | const size_t sample_count = logic->data_length() / logic->unit_size(); |
612 | ||
2ad82c2e | 613 | if (!logic_data_) { |
e6c1382e JH |
614 | // The only reason logic_data_ would not have been created is |
615 | // if it was not possible to determine the signals when the | |
616 | // device was created. | |
617 | update_signals(); | |
79efbc53 | 618 | } |
be73bdfa | 619 | |
2ad82c2e | 620 | if (!cur_logic_segment_) { |
bb2cdfff | 621 | // This could be the first packet after a trigger |
2b49eeb0 JH |
622 | set_capture_state(Running); |
623 | ||
f3d66e52 JH |
624 | // Create a new data segment |
625 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
626 | new data::LogicSegment( | |
ff4bf6bd | 627 | logic, cur_samplerate_, sample_count)); |
f3d66e52 | 628 | logic_data_->push_segment(cur_logic_segment_); |
82f50b10 JH |
629 | |
630 | // @todo Putting this here means that only listeners querying | |
631 | // for logic will be notified. Currently the only user of | |
632 | // frame_began is DecoderStack, but in future we need to signal | |
633 | // this after both analog and logic sweeps have begun. | |
634 | frame_began(); | |
2ad82c2e | 635 | } else { |
f3d66e52 JH |
636 | // Append to the existing data segment |
637 | cur_logic_segment_->append_payload(logic); | |
9c112671 JH |
638 | } |
639 | ||
1f374035 | 640 | data_received(); |
9c112671 JH |
641 | } |
642 | ||
2b81ae46 | 643 | void Session::feed_in_analog(shared_ptr<Analog> analog) |
aba1dd16 | 644 | { |
8524a597 | 645 | lock_guard<recursive_mutex> lock(data_mutex_); |
79efbc53 | 646 | |
e8d00928 ML |
647 | const vector<shared_ptr<Channel>> channels = analog->channels(); |
648 | const unsigned int channel_count = channels.size(); | |
649 | const size_t sample_count = analog->num_samples() / channel_count; | |
475f4d08 | 650 | const float *data = static_cast<const float *>(analog->data_pointer()); |
bb2cdfff | 651 | bool sweep_beginning = false; |
be73bdfa | 652 | |
47e9e7bb | 653 | if (signalbases_.empty()) |
a3f678a7 | 654 | update_signals(); |
a3f678a7 | 655 | |
2ad82c2e | 656 | for (auto channel : channels) { |
f3d66e52 | 657 | shared_ptr<data::AnalogSegment> segment; |
2b49eeb0 | 658 | |
f3d66e52 JH |
659 | // Try to get the segment of the channel |
660 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
661 | iterator iter = cur_analog_segments_.find(channel); | |
662 | if (iter != cur_analog_segments_.end()) | |
663 | segment = (*iter).second; | |
2ad82c2e | 664 | else { |
39ccf9c3 | 665 | // If no segment was found, this means we haven't |
bb2cdfff | 666 | // created one yet. i.e. this is the first packet |
f3d66e52 | 667 | // in the sweep containing this segment. |
bb2cdfff JH |
668 | sweep_beginning = true; |
669 | ||
f3d66e52 JH |
670 | // Create a segment, keep it in the maps of channels |
671 | segment = shared_ptr<data::AnalogSegment>( | |
672 | new data::AnalogSegment( | |
ff4bf6bd | 673 | cur_samplerate_, sample_count)); |
f3d66e52 | 674 | cur_analog_segments_[channel] = segment; |
bb2cdfff | 675 | |
ff4bf6bd | 676 | // Find the analog data associated with the channel |
cbd2a2de SA |
677 | shared_ptr<data::SignalBase> base = signalbase_from_channel(channel); |
678 | assert(base); | |
bb2cdfff | 679 | |
cbd2a2de | 680 | shared_ptr<data::Analog> data(base->analog_data()); |
bb2cdfff JH |
681 | assert(data); |
682 | ||
f3d66e52 JH |
683 | // Push the segment into the analog data. |
684 | data->push_segment(segment); | |
bb2cdfff JH |
685 | } |
686 | ||
f3d66e52 | 687 | assert(segment); |
bb2cdfff | 688 | |
f3d66e52 JH |
689 | // Append the samples in the segment |
690 | segment->append_interleaved_samples(data++, sample_count, | |
6ac6242b | 691 | channel_count); |
aba1dd16 | 692 | } |
bb2cdfff JH |
693 | |
694 | if (sweep_beginning) { | |
695 | // This could be the first packet after a trigger | |
696 | set_capture_state(Running); | |
aba1dd16 JH |
697 | } |
698 | ||
1f374035 | 699 | data_received(); |
aba1dd16 | 700 | } |
9c112671 | 701 | |
da30ecb7 JH |
702 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, |
703 | shared_ptr<Packet> packet) | |
b0e1d01d | 704 | { |
da30ecb7 JH |
705 | (void)device; |
706 | ||
e8d00928 | 707 | assert(device); |
da30ecb7 | 708 | assert(device == device_->device()); |
b0e1d01d JH |
709 | assert(packet); |
710 | ||
e8d00928 | 711 | switch (packet->type()->id()) { |
b0e1d01d | 712 | case SR_DF_HEADER: |
da30ecb7 | 713 | feed_in_header(); |
b0e1d01d JH |
714 | break; |
715 | ||
be73bdfa | 716 | case SR_DF_META: |
da30ecb7 | 717 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); |
aba1dd16 JH |
718 | break; |
719 | ||
48257a69 SA |
720 | case SR_DF_TRIGGER: |
721 | feed_in_trigger(); | |
722 | break; | |
723 | ||
82f50b10 JH |
724 | case SR_DF_FRAME_BEGIN: |
725 | feed_in_frame_begin(); | |
726 | break; | |
727 | ||
2e2946fe | 728 | case SR_DF_LOGIC: |
e7216ae0 SA |
729 | try { |
730 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
731 | } catch (std::bad_alloc) { | |
732 | out_of_memory_ = true; | |
733 | device_->stop(); | |
734 | } | |
2953961c JH |
735 | break; |
736 | ||
aba1dd16 | 737 | case SR_DF_ANALOG: |
e7216ae0 SA |
738 | try { |
739 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
740 | } catch (std::bad_alloc) { | |
741 | out_of_memory_ = true; | |
742 | device_->stop(); | |
743 | } | |
aba1dd16 JH |
744 | break; |
745 | ||
2953961c | 746 | case SR_DF_END: |
2e2946fe JH |
747 | { |
748 | { | |
8524a597 | 749 | lock_guard<recursive_mutex> lock(data_mutex_); |
f3d66e52 JH |
750 | cur_logic_segment_.reset(); |
751 | cur_analog_segments_.clear(); | |
2e2946fe | 752 | } |
1f374035 | 753 | frame_ended(); |
2953961c JH |
754 | break; |
755 | } | |
adb0a983 ML |
756 | default: |
757 | break; | |
2e2946fe | 758 | } |
2953961c JH |
759 | } |
760 | ||
51e77110 | 761 | } // namespace pv |