2 * This file is part of the PulseView project.
4 * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
30 #include "devicemanager.hpp"
31 #include "mainwindow.hpp"
32 #include "session.hpp"
34 #include "data/analog.hpp"
35 #include "data/analogsegment.hpp"
36 #include "data/decode/decoder.hpp"
37 #include "data/logic.hpp"
38 #include "data/logicsegment.hpp"
39 #include "data/signalbase.hpp"
41 #include "devices/hardwaredevice.hpp"
42 #include "devices/inputfile.hpp"
43 #include "devices/sessionfile.hpp"
45 #include "toolbars/mainbar.hpp"
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"
53 #include <libsigrokcxx/libsigrokcxx.hpp>
56 #include <libsigrokdecode/libsigrokdecode.h>
57 #include "data/decodesignal.hpp"
61 using std::dynamic_pointer_cast;
64 using std::lock_guard;
67 using std::make_shared;
73 using std::recursive_mutex;
74 using std::runtime_error;
75 using std::shared_ptr;
77 using std::unique_ptr;
78 using std::unordered_set;
82 using sigrok::Channel;
83 using sigrok::ConfigKey;
84 using sigrok::DatafeedCallbackFunction;
86 using sigrok::InputFormat;
90 using sigrok::Session;
92 using Glib::VariantBase;
96 shared_ptr<sigrok::Context> Session::sr_context;
98 Session::Session(DeviceManager &device_manager, QString name) :
99 device_manager_(device_manager),
102 capture_state_(Stopped),
110 // Stop and join to the thread
114 DeviceManager& Session::device_manager()
116 return device_manager_;
119 const DeviceManager& Session::device_manager() const
121 return device_manager_;
124 shared_ptr<sigrok::Session> Session::session() const
127 return shared_ptr<sigrok::Session>();
128 return device_->session();
131 shared_ptr<devices::Device> Session::device() const
136 QString Session::name() const
141 void Session::set_name(QString name)
143 if (default_name_.isEmpty())
144 default_name_ = name;
151 const list< shared_ptr<views::ViewBase> > Session::views() const
156 shared_ptr<views::ViewBase> Session::main_view() const
161 void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar)
163 main_bar_ = main_bar;
166 shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
171 bool Session::data_saved() const
176 void Session::save_settings(QSettings &settings) const
178 map<string, string> dev_info;
179 list<string> key_list;
180 int decode_signals = 0, views = 0;
183 shared_ptr<devices::HardwareDevice> hw_device =
184 dynamic_pointer_cast< devices::HardwareDevice >(device_);
187 settings.setValue("device_type", "hardware");
188 settings.beginGroup("device");
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");
196 dev_info = device_manager_.get_device_info(device_);
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()));
203 settings.remove(QString::fromUtf8(key.c_str()));
209 shared_ptr<devices::SessionFile> sessionfile_device =
210 dynamic_pointer_cast< devices::SessionFile >(device_);
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()));
220 // Save channels and decoders
221 for (shared_ptr<data::SignalBase> base : signalbases_) {
223 if (base->is_decode_signal()) {
224 settings.beginGroup("decode_signal" + QString::number(decode_signals++));
225 base->save_settings(settings);
230 settings.beginGroup(base->internal_name());
231 base->save_settings(settings);
236 settings.setValue("decode_signals", decode_signals);
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);
244 for (shared_ptr<views::ViewBase> view : views_) {
245 if (view != main_view_) {
246 settings.beginGroup("view" + QString::number(views++));
247 view->save_settings(settings);
252 settings.setValue("views", views);
256 void Session::restore_settings(QSettings &settings)
258 shared_ptr<devices::Device> device;
260 QString device_type = settings.value("device_type").toString();
262 if (device_type == "hardware") {
263 map<string, string> dev_info;
264 list<string> key_list;
266 // Re-select last used device if possible but only if it's not demo
267 settings.beginGroup("device");
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");
274 for (string key : key_list) {
275 const QString k = QString::fromStdString(key);
276 if (!settings.contains(k))
279 const string value = settings.value(k).toString().toStdString();
281 dev_info.insert(make_pair(key, value));
284 if (dev_info.count("model") > 0)
285 device = device_manager_.find_device_from_info(dev_info);
293 if (device_type == "sessionfile") {
294 settings.beginGroup("device");
295 QString filename = settings.value("filename").toString();
298 if (QFileInfo(filename).isReadable()) {
299 device = make_shared<devices::SessionFile>(device_manager_.context(),
300 filename.toStdString());
303 start_capture([](QString infoMessage) {
304 // TODO Emulate noquote()
305 qDebug() << "Session error:" << infoMessage; });
307 set_name(QFileInfo(filename).fileName());
313 for (shared_ptr<data::SignalBase> base : signalbases_) {
314 settings.beginGroup(base->internal_name());
315 base->restore_settings(settings);
321 int decode_signals = settings.value("decode_signals").toInt();
323 for (int i = 0; i < decode_signals; i++) {
324 settings.beginGroup("decode_signal" + QString::number(i));
325 shared_ptr<data::DecodeSignal> signal = add_decode_signal();
326 signal->restore_settings(settings);
332 int views = settings.value("views").toInt();
334 for (int i = 0; i < views; i++) {
335 settings.beginGroup("view" + QString::number(i));
338 views::ViewType type = (views::ViewType)settings.value("type").toInt();
339 add_view(name_, type, this);
340 views_.back()->restore_settings(settings);
342 main_view_->restore_settings(settings);
349 void Session::select_device(shared_ptr<devices::Device> device)
355 set_default_device();
356 } catch (const QString &e) {
357 MainWindow::show_session_error(tr("Failed to select device"), e);
361 void Session::set_device(shared_ptr<devices::Device> device)
365 // Ensure we are not capturing before setting the device
373 // Revert name back to default name (e.g. "Session 1") as the data is gone
374 name_ = default_name_;
377 // Remove all stored data
378 for (shared_ptr<views::ViewBase> view : views_) {
379 view->clear_signals();
381 view->clear_decode_signals();
384 for (const shared_ptr<data::SignalData> d : all_signal_data_)
386 all_signal_data_.clear();
387 signalbases_.clear();
388 cur_logic_segment_.reset();
390 for (auto entry : cur_analog_segments_) {
391 shared_ptr<sigrok::Channel>(entry.first).reset();
392 shared_ptr<data::AnalogSegment>(entry.second).reset();
399 device_ = move(device);
403 } catch (const QString &e) {
405 MainWindow::show_session_error(tr("Failed to open device"), e);
409 device_->session()->add_datafeed_callback([=]
410 (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
411 data_feed_in(device, packet);
420 void Session::set_default_device()
422 const list< shared_ptr<devices::HardwareDevice> > &devices =
423 device_manager_.devices();
428 // Try and find the demo device and select that by default
429 const auto iter = find_if(devices.begin(), devices.end(),
430 [] (const shared_ptr<devices::HardwareDevice> &d) {
431 return d->hardware_device()->driver()->name() == "demo"; });
432 set_device((iter == devices.end()) ? devices.front() : *iter);
436 * Convert generic options to data types that are specific to InputFormat.
438 * @param[in] user_spec Vector of tokenized words, string format.
439 * @param[in] fmt_opts Input format's options, result of InputFormat::options().
441 * @return Map of options suitable for InputFormat::create_input().
443 map<string, Glib::VariantBase>
444 Session::input_format_options(vector<string> user_spec,
445 map<string, shared_ptr<Option>> fmt_opts)
447 map<string, Glib::VariantBase> result;
449 for (auto entry : user_spec) {
451 * Split key=value specs. Accept entries without separator
452 * (for simplified boolean specifications).
455 size_t pos = entry.find("=");
456 if (pos == std::string::npos) {
460 key = entry.substr(0, pos);
461 val = entry.substr(pos + 1);
465 * Skip user specifications that are not a member of the
466 * format's set of supported options. Have the text input
467 * spec converted to the required input format specific
470 auto found = fmt_opts.find(key);
471 if (found == fmt_opts.end())
473 shared_ptr<Option> opt = found->second;
474 result[key] = opt->parse_string(val);
480 void Session::load_init_file(const string &file_name, const string &format)
482 shared_ptr<InputFormat> input_format;
483 map<string, Glib::VariantBase> input_opts;
485 if (!format.empty()) {
486 const map<string, shared_ptr<InputFormat> > formats =
487 device_manager_.context()->input_formats();
488 auto user_opts = pv::util::split_string(format, ":");
489 string user_name = user_opts.front();
490 user_opts.erase(user_opts.begin());
491 const auto iter = find_if(formats.begin(), formats.end(),
492 [&](const pair<string, shared_ptr<InputFormat> > f) {
493 return f.first == user_name; });
494 if (iter == formats.end()) {
495 MainWindow::show_session_error(tr("Error"),
496 tr("Unexpected input format: %s").arg(QString::fromStdString(format)));
499 input_format = (*iter).second;
500 input_opts = input_format_options(user_opts,
501 input_format->options());
504 load_file(QString::fromStdString(file_name), input_format, input_opts);
507 void Session::load_file(QString file_name,
508 shared_ptr<sigrok::InputFormat> format,
509 const map<string, Glib::VariantBase> &options)
511 const QString errorMessage(
512 QString("Failed to load file %1").arg(file_name));
516 set_device(shared_ptr<devices::Device>(
517 new devices::InputFile(
518 device_manager_.context(),
519 file_name.toStdString(),
522 set_device(shared_ptr<devices::Device>(
523 new devices::SessionFile(
524 device_manager_.context(),
525 file_name.toStdString())));
527 MainWindow::show_session_error(tr("Failed to load ") + file_name, e.what());
528 set_default_device();
529 main_bar_->update_device_list();
533 main_bar_->update_device_list();
535 start_capture([&, errorMessage](QString infoMessage) {
536 MainWindow::show_session_error(errorMessage, infoMessage); });
538 set_name(QFileInfo(file_name).fileName());
541 Session::capture_state Session::get_capture_state() const
543 lock_guard<mutex> lock(sampling_mutex_);
544 return capture_state_;
547 void Session::start_capture(function<void (const QString)> error_handler)
550 error_handler(tr("No active device set, can't start acquisition."));
556 // Check that at least one channel is enabled
557 const shared_ptr<sigrok::Device> sr_dev = device_->device();
559 const auto channels = sr_dev->channels();
560 if (!any_of(channels.begin(), channels.end(),
561 [](shared_ptr<Channel> channel) {
562 return channel->enabled(); })) {
563 error_handler(tr("No channels enabled."));
569 for (const shared_ptr<data::SignalData> d : all_signal_data_)
572 trigger_list_.clear();
574 // Revert name back to default name (e.g. "Session 1") for real devices
575 // as the (possibly saved) data is gone. File devices keep their name.
576 shared_ptr<devices::HardwareDevice> hw_device =
577 dynamic_pointer_cast< devices::HardwareDevice >(device_);
580 name_ = default_name_;
585 sampling_thread_ = std::thread(
586 &Session::sample_thread_proc, this, error_handler);
589 void Session::stop_capture()
591 if (get_capture_state() != Stopped)
594 // Check that sampling stopped
595 if (sampling_thread_.joinable())
596 sampling_thread_.join();
599 void Session::register_view(shared_ptr<views::ViewBase> view)
601 if (views_.empty()) {
605 views_.push_back(view);
607 // Add all device signals
610 // Add all other signals
611 unordered_set< shared_ptr<data::SignalBase> > view_signalbases =
614 views::trace::View *trace_view =
615 qobject_cast<views::trace::View*>(view.get());
618 for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
619 const int sb_exists = count_if(
620 view_signalbases.cbegin(), view_signalbases.cend(),
621 [&](const shared_ptr<data::SignalBase> &sb) {
622 return sb == signalbase;
624 // Add the signal to the view as it doesn't have it yet
626 switch (signalbase->type()) {
627 case data::SignalBase::AnalogChannel:
628 case data::SignalBase::LogicChannel:
629 case data::SignalBase::DecodeChannel:
631 trace_view->add_decode_signal(
632 dynamic_pointer_cast<data::DecodeSignal>(signalbase));
635 case data::SignalBase::MathChannel:
645 void Session::deregister_view(shared_ptr<views::ViewBase> view)
647 views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; });
649 if (views_.empty()) {
652 // Without a view there can be no main bar
657 bool Session::has_view(shared_ptr<views::ViewBase> view)
659 for (shared_ptr<views::ViewBase> v : views_)
666 double Session::get_samplerate() const
668 double samplerate = 0.0;
670 for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
672 const vector< shared_ptr<pv::data::Segment> > segments =
674 for (const shared_ptr<pv::data::Segment> &s : segments)
675 samplerate = max(samplerate, s->samplerate());
677 // If there is no sample rate given we use samples as unit
678 if (samplerate == 0.0)
684 uint32_t Session::get_segment_count() const
688 // Find the highest number of segments
689 for (shared_ptr<data::SignalData> data : all_signal_data_)
690 if (data->get_segment_count() > value)
691 value = data->get_segment_count();
696 vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const
698 vector<util::Timestamp> result;
700 for (pair<uint32_t, util::Timestamp> entry : trigger_list_)
701 if (entry.first == segment_id)
702 result.push_back(entry.second);
707 const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const
712 bool Session::all_segments_complete(uint32_t segment_id) const
714 bool all_complete = true;
716 for (shared_ptr<data::SignalBase> base : signalbases_)
717 if (!base->segment_is_complete(segment_id))
718 all_complete = false;
724 shared_ptr<data::DecodeSignal> Session::add_decode_signal()
726 shared_ptr<data::DecodeSignal> signal;
729 // Create the decode signal
730 signal = make_shared<data::DecodeSignal>(*this);
732 signalbases_.insert(signal);
734 // Add the decode signal to all views
735 for (shared_ptr<views::ViewBase> view : views_)
736 view->add_decode_signal(signal);
737 } catch (runtime_error& e) {
738 remove_decode_signal(signal);
747 void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
749 signalbases_.erase(signal);
751 for (shared_ptr<views::ViewBase> view : views_)
752 view->remove_decode_signal(signal);
758 void Session::set_capture_state(capture_state state)
763 lock_guard<mutex> lock(sampling_mutex_);
764 changed = capture_state_ != state;
765 capture_state_ = state;
769 capture_state_changed(state);
772 void Session::update_signals()
775 signalbases_.clear();
777 for (shared_ptr<views::ViewBase> view : views_) {
778 view->clear_signals();
780 view->clear_decode_signals();
786 lock_guard<recursive_mutex> lock(data_mutex_);
788 const shared_ptr<sigrok::Device> sr_dev = device_->device();
790 signalbases_.clear();
792 for (shared_ptr<views::ViewBase> view : views_) {
793 view->clear_signals();
795 view->clear_decode_signals();
801 // Detect what data types we will receive
802 auto channels = sr_dev->channels();
803 unsigned int logic_channel_count = count_if(
804 channels.begin(), channels.end(),
805 [] (shared_ptr<Channel> channel) {
806 return channel->type() == sigrok::ChannelType::LOGIC; });
808 // Create data containers for the logic data segments
810 lock_guard<recursive_mutex> data_lock(data_mutex_);
812 if (logic_channel_count == 0) {
814 } else if (!logic_data_ ||
815 logic_data_->num_channels() != logic_channel_count) {
816 logic_data_.reset(new data::Logic(
817 logic_channel_count));
822 // Make the signals list
823 for (shared_ptr<views::ViewBase> viewbase : views_) {
824 views::trace::View *trace_view =
825 qobject_cast<views::trace::View*>(viewbase.get());
828 unordered_set< shared_ptr<views::trace::Signal> >
829 prev_sigs(trace_view->signals());
830 trace_view->clear_signals();
832 for (auto channel : sr_dev->channels()) {
833 shared_ptr<data::SignalBase> signalbase;
834 shared_ptr<views::trace::Signal> signal;
836 // Find the channel in the old signals
837 const auto iter = find_if(
838 prev_sigs.cbegin(), prev_sigs.cend(),
839 [&](const shared_ptr<views::trace::Signal> &s) {
840 return s->base()->channel() == channel;
842 if (iter != prev_sigs.end()) {
843 // Copy the signal from the old set to the new
845 trace_view->add_signal(signal);
847 // Find the signalbase for this channel if possible
849 for (const shared_ptr<data::SignalBase> b : signalbases_)
850 if (b->channel() == channel)
853 switch(channel->type()->id()) {
854 case SR_CHANNEL_LOGIC:
856 signalbase = make_shared<data::SignalBase>(channel,
857 data::SignalBase::LogicChannel);
858 signalbases_.insert(signalbase);
860 all_signal_data_.insert(logic_data_);
861 signalbase->set_data(logic_data_);
863 connect(this, SIGNAL(capture_state_changed(int)),
864 signalbase.get(), SLOT(on_capture_state_changed(int)));
867 signal = shared_ptr<views::trace::Signal>(
868 new views::trace::LogicSignal(*this,
869 device_, signalbase));
870 trace_view->add_signal(signal);
873 case SR_CHANNEL_ANALOG:
876 signalbase = make_shared<data::SignalBase>(channel,
877 data::SignalBase::AnalogChannel);
878 signalbases_.insert(signalbase);
880 shared_ptr<data::Analog> data(new data::Analog());
881 all_signal_data_.insert(data);
882 signalbase->set_data(data);
884 connect(this, SIGNAL(capture_state_changed(int)),
885 signalbase.get(), SLOT(on_capture_state_changed(int)));
888 signal = shared_ptr<views::trace::Signal>(
889 new views::trace::AnalogSignal(
891 trace_view->add_signal(signal);
907 shared_ptr<data::SignalBase> Session::signalbase_from_channel(
908 shared_ptr<sigrok::Channel> channel) const
910 for (shared_ptr<data::SignalBase> sig : signalbases_) {
912 if (sig->channel() == channel)
915 return shared_ptr<data::SignalBase>();
918 void Session::sample_thread_proc(function<void (const QString)> error_handler)
920 assert(error_handler);
925 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
927 out_of_memory_ = false;
930 lock_guard<recursive_mutex> lock(data_mutex_);
931 cur_logic_segment_.reset();
932 cur_analog_segments_.clear();
934 highest_segment_id_ = -1;
935 frame_began_ = false;
940 error_handler(e.what());
944 set_capture_state(device_->session()->trigger() ?
945 AwaitingTrigger : Running);
950 error_handler(e.what());
951 set_capture_state(Stopped);
955 set_capture_state(Stopped);
957 // Confirm that SR_DF_END was received
958 if (cur_logic_segment_)
959 qDebug() << "WARNING: SR_DF_END was not received.";
961 // Optimize memory usage
962 free_unused_memory();
964 // We now have unsaved data unless we just "captured" from a file
965 shared_ptr<devices::File> file_device =
966 dynamic_pointer_cast<devices::File>(device_);
972 error_handler(tr("Out of memory, acquisition stopped."));
975 void Session::free_unused_memory()
977 for (shared_ptr<data::SignalData> data : all_signal_data_) {
978 const vector< shared_ptr<data::Segment> > segments = data->segments();
980 for (shared_ptr<data::Segment> segment : segments) {
981 segment->free_unused_memory();
986 void Session::signal_new_segment()
988 int new_segment_id = 0;
990 if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) {
992 // Determine new frame/segment number, assuming that all
993 // signals have the same number of frames/segments
994 if (cur_logic_segment_) {
995 new_segment_id = logic_data_->get_segment_count() - 1;
997 shared_ptr<sigrok::Channel> any_channel =
998 (*cur_analog_segments_.begin()).first;
1000 shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel);
1003 shared_ptr<data::Analog> data(base->analog_data());
1006 new_segment_id = data->get_segment_count() - 1;
1010 if (new_segment_id > highest_segment_id_) {
1011 highest_segment_id_ = new_segment_id;
1012 new_segment(highest_segment_id_);
1016 void Session::signal_segment_completed()
1020 for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
1021 // We only care about analog and logic channels, not derived ones
1022 if (signalbase->type() == data::SignalBase::AnalogChannel) {
1023 segment_id = signalbase->analog_data()->get_segment_count() - 1;
1027 if (signalbase->type() == data::SignalBase::LogicChannel) {
1028 segment_id = signalbase->logic_data()->get_segment_count() - 1;
1033 if (segment_id >= 0)
1034 segment_completed(segment_id);
1037 void Session::feed_in_header()
1039 // Nothing to do here for now
1042 void Session::feed_in_meta(shared_ptr<Meta> meta)
1044 for (auto entry : meta->config()) {
1045 switch (entry.first->id()) {
1046 case SR_CONF_SAMPLERATE:
1047 // We can't rely on the header to always contain the sample rate,
1048 // so in case it's supplied via a meta packet, we use it.
1049 if (!cur_samplerate_)
1050 cur_samplerate_ = g_variant_get_uint64(entry.second.gobj());
1052 /// @todo handle samplerate changes
1055 // Unknown metadata is not an error.
1063 void Session::feed_in_trigger()
1065 // The channel containing most samples should be most accurate
1066 uint64_t sample_count = 0;
1069 for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
1071 uint64_t temp_count = 0;
1073 const vector< shared_ptr<pv::data::Segment> > segments =
1075 for (const shared_ptr<pv::data::Segment> &s : segments)
1076 temp_count += s->get_sample_count();
1078 if (temp_count > sample_count)
1079 sample_count = temp_count;
1083 uint32_t segment_id = 0; // Default segment when no frames are used
1085 // If a frame began, we'd ideally be able to use the highest segment ID for
1086 // the trigger. However, as new segments are only created when logic or
1087 // analog data comes in, this doesn't work if the trigger appears right
1088 // after the beginning of the frame, before any sample data.
1089 // For this reason, we use highest segment ID + 1 if no sample data came in
1090 // yet and the highest segment ID otherwise.
1092 segment_id = highest_segment_id_;
1093 if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0))
1097 // TODO Create timestamp from segment start time + segment's current sample count
1098 util::Timestamp timestamp = sample_count / get_samplerate();
1099 trigger_list_.emplace_back(segment_id, timestamp);
1100 trigger_event(segment_id, timestamp);
1103 void Session::feed_in_frame_begin()
1105 frame_began_ = true;
1108 void Session::feed_in_frame_end()
1114 lock_guard<recursive_mutex> lock(data_mutex_);
1116 if (cur_logic_segment_)
1117 cur_logic_segment_->set_complete();
1119 for (auto entry : cur_analog_segments_) {
1120 shared_ptr<data::AnalogSegment> segment = entry.second;
1121 segment->set_complete();
1124 cur_logic_segment_.reset();
1125 cur_analog_segments_.clear();
1128 frame_began_ = false;
1130 signal_segment_completed();
1133 void Session::feed_in_logic(shared_ptr<Logic> logic)
1135 if (logic->data_length() == 0) {
1136 qDebug() << "WARNING: Received logic packet with 0 samples.";
1140 if (!cur_samplerate_)
1141 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1143 lock_guard<recursive_mutex> lock(data_mutex_);
1146 // The only reason logic_data_ would not have been created is
1147 // if it was not possible to determine the signals when the
1148 // device was created.
1152 if (!cur_logic_segment_) {
1153 // This could be the first packet after a trigger
1154 set_capture_state(Running);
1156 // Create a new data segment
1157 cur_logic_segment_ = make_shared<data::LogicSegment>(
1158 *logic_data_, logic_data_->get_segment_count(),
1159 logic->unit_size(), cur_samplerate_);
1160 logic_data_->push_segment(cur_logic_segment_);
1162 signal_new_segment();
1165 cur_logic_segment_->append_payload(logic);
1170 void Session::feed_in_analog(shared_ptr<Analog> analog)
1172 if (analog->num_samples() == 0) {
1173 qDebug() << "WARNING: Received analog packet with 0 samples.";
1177 if (!cur_samplerate_)
1178 cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
1180 lock_guard<recursive_mutex> lock(data_mutex_);
1182 const vector<shared_ptr<Channel>> channels = analog->channels();
1183 const unsigned int channel_count = channels.size();
1184 const size_t sample_count = analog->num_samples() / channel_count;
1185 bool sweep_beginning = false;
1187 unique_ptr<float[]> data(new float[analog->num_samples()]);
1188 analog->get_data_as_float(data.get());
1190 if (signalbases_.empty())
1193 float *channel_data = data.get();
1194 for (auto channel : channels) {
1195 shared_ptr<data::AnalogSegment> segment;
1197 // Try to get the segment of the channel
1198 const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >::
1199 iterator iter = cur_analog_segments_.find(channel);
1200 if (iter != cur_analog_segments_.end())
1201 segment = (*iter).second;
1203 // If no segment was found, this means we haven't
1204 // created one yet. i.e. this is the first packet
1205 // in the sweep containing this segment.
1206 sweep_beginning = true;
1208 // Find the analog data associated with the channel
1209 shared_ptr<data::SignalBase> base = signalbase_from_channel(channel);
1212 shared_ptr<data::Analog> data(base->analog_data());
1215 // Create a segment, keep it in the maps of channels
1216 segment = make_shared<data::AnalogSegment>(
1217 *data, data->get_segment_count(), cur_samplerate_);
1218 cur_analog_segments_[channel] = segment;
1220 // Push the segment into the analog data.
1221 data->push_segment(segment);
1223 signal_new_segment();
1228 // Append the samples in the segment
1229 segment->append_interleaved_samples(channel_data++, sample_count,
1233 if (sweep_beginning) {
1234 // This could be the first packet after a trigger
1235 set_capture_state(Running);
1241 void Session::data_feed_in(shared_ptr<sigrok::Device> device,
1242 shared_ptr<Packet> packet)
1247 assert(device == device_->device());
1250 switch (packet->type()->id()) {
1256 feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload()));
1265 feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload()));
1266 } catch (bad_alloc&) {
1267 out_of_memory_ = true;
1274 feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload()));
1275 } catch (bad_alloc&) {
1276 out_of_memory_ = true;
1281 case SR_DF_FRAME_BEGIN:
1282 feed_in_frame_begin();
1285 case SR_DF_FRAME_END:
1286 feed_in_frame_end();
1290 // Strictly speaking, this is performed when a frame end marker was
1291 // received, so there's no point doing this again. However, not all
1292 // devices use frames, and for those devices, we need to do it here.
1294 lock_guard<recursive_mutex> lock(data_mutex_);
1296 if (cur_logic_segment_)
1297 cur_logic_segment_->set_complete();
1299 for (auto entry : cur_analog_segments_) {
1300 shared_ptr<data::AnalogSegment> segment = entry.second;
1301 segment->set_complete();
1304 cur_logic_segment_.reset();
1305 cur_analog_segments_.clear();
1314 void Session::on_data_saved()