* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#ifdef _WIN32
-// Windows: Avoid boost/thread namespace pollution (which includes windows.h).
-#define NOGDI
-#define NORESOURCE
-#endif
-#include <boost/thread/locks.hpp>
-#include <boost/thread/shared_mutex.hpp>
+#include <QDebug>
+#include <QFileInfo>
-#ifdef ENABLE_DECODE
-#include <libsigrokdecode/libsigrokdecode.h>
-#endif
+#include <cassert>
+#include <memory>
+#include <mutex>
+#include <stdexcept>
-#include "session.hpp"
+#include <sys/stat.h>
#include "devicemanager.hpp"
+#include "session.hpp"
#include "data/analog.hpp"
#include "data/analogsegment.hpp"
-#include "data/decoderstack.hpp"
+#include "data/decode/decoder.hpp"
#include "data/logic.hpp"
#include "data/logicsegment.hpp"
-#include "data/decode/decoder.hpp"
+#include "data/signalbase.hpp"
#include "devices/hardwaredevice.hpp"
+#include "devices/inputfile.hpp"
#include "devices/sessionfile.hpp"
-#include "view/analogsignal.hpp"
-#include "view/decodetrace.hpp"
-#include "view/logicsignal.hpp"
-
-#include <cassert>
-#include <mutex>
-#include <stdexcept>
-
-#include <sys/stat.h>
+#include "toolbars/mainbar.hpp"
-#include <QDebug>
+#include "views/trace/analogsignal.hpp"
+#include "views/trace/decodetrace.hpp"
+#include "views/trace/logicsignal.hpp"
+#include "views/trace/signal.hpp"
+#include "views/trace/view.hpp"
#include <libsigrokcxx/libsigrokcxx.hpp>
-using boost::shared_lock;
-using boost::shared_mutex;
-using boost::unique_lock;
+#ifdef ENABLE_DECODE
+#include <libsigrokdecode/libsigrokdecode.h>
+#include "data/decodesignal.hpp"
+#endif
+using std::bad_alloc;
using std::dynamic_pointer_cast;
+using std::find_if;
using std::function;
using std::lock_guard;
using std::list;
+using std::make_pair;
+using std::make_shared;
using std::map;
+using std::max;
+using std::move;
using std::mutex;
+using std::pair;
using std::recursive_mutex;
-using std::set;
+using std::runtime_error;
using std::shared_ptr;
using std::string;
+using std::unique_ptr;
using std::unordered_set;
using std::vector;
using sigrok::Analog;
using sigrok::Channel;
-using sigrok::ChannelType;
using sigrok::ConfigKey;
using sigrok::DatafeedCallbackFunction;
using sigrok::Error;
-using sigrok::Header;
+using sigrok::InputFormat;
using sigrok::Logic;
using sigrok::Meta;
using sigrok::Packet;
-using sigrok::PacketPayload;
using sigrok::Session;
-using sigrok::SessionDevice;
using Glib::VariantBase;
-using Glib::Variant;
namespace pv {
-Session::Session(DeviceManager &device_manager) :
+
+shared_ptr<sigrok::Context> Session::sr_context;
+
+Session::Session(DeviceManager &device_manager, QString name) :
device_manager_(device_manager),
+ default_name_(name),
+ name_(name),
capture_state_(Stopped),
- cur_samplerate_(0)
+ cur_samplerate_(0),
+ data_saved_(true)
{
}
return device_;
}
+QString Session::name() const
+{
+ return name_;
+}
+
+void Session::set_name(QString name)
+{
+ if (default_name_.isEmpty())
+ default_name_ = name;
+
+ name_ = name;
+
+ name_changed();
+}
+
+const list< shared_ptr<views::ViewBase> > Session::views() const
+{
+ return views_;
+}
+
+shared_ptr<views::ViewBase> Session::main_view() const
+{
+ return main_view_;
+}
+
+void Session::set_main_bar(shared_ptr<pv::toolbars::MainBar> main_bar)
+{
+ main_bar_ = main_bar;
+}
+
+shared_ptr<pv::toolbars::MainBar> Session::main_bar() const
+{
+ return main_bar_;
+}
+
+bool Session::data_saved() const
+{
+ return data_saved_;
+}
+
+void Session::save_settings(QSettings &settings) const
+{
+ map<string, string> dev_info;
+ list<string> key_list;
+ int decode_signals = 0, views = 0;
+
+ if (device_) {
+ shared_ptr<devices::HardwareDevice> hw_device =
+ dynamic_pointer_cast< devices::HardwareDevice >(device_);
+
+ if (hw_device) {
+ settings.setValue("device_type", "hardware");
+ settings.beginGroup("device");
+
+ key_list.emplace_back("vendor");
+ key_list.emplace_back("model");
+ key_list.emplace_back("version");
+ key_list.emplace_back("serial_num");
+ key_list.emplace_back("connection_id");
+
+ dev_info = device_manager_.get_device_info(device_);
+
+ for (string key : key_list) {
+ if (dev_info.count(key))
+ settings.setValue(QString::fromUtf8(key.c_str()),
+ QString::fromUtf8(dev_info.at(key).c_str()));
+ else
+ settings.remove(QString::fromUtf8(key.c_str()));
+ }
+
+ settings.endGroup();
+ }
+
+ shared_ptr<devices::SessionFile> sessionfile_device =
+ dynamic_pointer_cast< devices::SessionFile >(device_);
+
+ if (sessionfile_device) {
+ settings.setValue("device_type", "sessionfile");
+ settings.beginGroup("device");
+ settings.setValue("filename", QString::fromStdString(
+ sessionfile_device->full_name()));
+ settings.endGroup();
+ }
+
+ // Save channels and decoders
+ for (shared_ptr<data::SignalBase> base : signalbases_) {
+#ifdef ENABLE_DECODE
+ if (base->is_decode_signal()) {
+ settings.beginGroup("decode_signal" + QString::number(decode_signals++));
+ base->save_settings(settings);
+ settings.endGroup();
+ } else
+#endif
+ {
+ settings.beginGroup(base->internal_name());
+ base->save_settings(settings);
+ settings.endGroup();
+ }
+ }
+
+ settings.setValue("decode_signals", decode_signals);
+
+ // Save view states and their signal settings
+ // Note: main_view must be saved as view0
+ settings.beginGroup("view" + QString::number(views++));
+ main_view_->save_settings(settings);
+ settings.endGroup();
+
+ for (shared_ptr<views::ViewBase> view : views_) {
+ if (view != main_view_) {
+ settings.beginGroup("view" + QString::number(views++));
+ view->save_settings(settings);
+ settings.endGroup();
+ }
+ }
+
+ settings.setValue("views", views);
+ }
+}
+
+void Session::restore_settings(QSettings &settings)
+{
+ shared_ptr<devices::Device> device;
+
+ QString device_type = settings.value("device_type").toString();
+
+ if (device_type == "hardware") {
+ map<string, string> dev_info;
+ list<string> key_list;
+
+ // Re-select last used device if possible but only if it's not demo
+ settings.beginGroup("device");
+ key_list.emplace_back("vendor");
+ key_list.emplace_back("model");
+ key_list.emplace_back("version");
+ key_list.emplace_back("serial_num");
+ key_list.emplace_back("connection_id");
+
+ for (string key : key_list) {
+ const QString k = QString::fromStdString(key);
+ if (!settings.contains(k))
+ continue;
+
+ const string value = settings.value(k).toString().toStdString();
+ if (!value.empty())
+ dev_info.insert(make_pair(key, value));
+ }
+
+ if (dev_info.count("model") > 0)
+ device = device_manager_.find_device_from_info(dev_info);
+
+ if (device)
+ set_device(device);
+
+ settings.endGroup();
+ }
+
+ if (device_type == "sessionfile") {
+ settings.beginGroup("device");
+ QString filename = settings.value("filename").toString();
+ settings.endGroup();
+
+ if (QFileInfo(filename).isReadable()) {
+ device = make_shared<devices::SessionFile>(device_manager_.context(),
+ filename.toStdString());
+ set_device(device);
+
+ // TODO Perform error handling
+ start_capture([](QString infoMessage) { (void)infoMessage; });
+
+ set_name(QFileInfo(filename).fileName());
+ }
+ }
+
+ if (device) {
+ // Restore channels
+ for (shared_ptr<data::SignalBase> base : signalbases_) {
+ settings.beginGroup(base->internal_name());
+ base->restore_settings(settings);
+ settings.endGroup();
+ }
+
+ // Restore decoders
+#ifdef ENABLE_DECODE
+ int decode_signals = settings.value("decode_signals").toInt();
+
+ for (int i = 0; i < decode_signals; i++) {
+ settings.beginGroup("decode_signal" + QString::number(i));
+ shared_ptr<data::DecodeSignal> signal = add_decode_signal();
+ signal->restore_settings(settings);
+ settings.endGroup();
+ }
+#endif
+
+ // Restore views
+ int views = settings.value("views").toInt();
+
+ for (int i = 0; i < views; i++) {
+ settings.beginGroup("view" + QString::number(i));
+
+ if (i > 0) {
+ views::ViewType type = (views::ViewType)settings.value("type").toInt();
+ add_view(name_, type, this);
+ views_.back()->restore_settings(settings);
+ } else
+ main_view_->restore_settings(settings);
+
+ settings.endGroup();
+ }
+ }
+}
+
+void Session::select_device(shared_ptr<devices::Device> device)
+{
+ try {
+ if (device)
+ set_device(device);
+ else
+ set_default_device();
+ } catch (const QString &e) {
+ main_bar_->session_error(tr("Failed to select device"), e);
+ }
+}
+
void Session::set_device(shared_ptr<devices::Device> device)
{
assert(device);
device_.reset();
- // Remove all traces
- signals_.clear();
- decode_traces_.clear();
+ // Revert name back to default name (e.g. "Session 1") as the data is gone
+ name_ = default_name_;
+ name_changed();
+
+ // Remove all stored data
+ for (shared_ptr<views::ViewBase> view : views_) {
+ view->clear_signals();
+#ifdef ENABLE_DECODE
+ view->clear_decode_signals();
+#endif
+ }
+ for (const shared_ptr<data::SignalData> d : all_signal_data_)
+ d->clear();
+ all_signal_data_.clear();
+ signalbases_.clear();
+ cur_logic_segment_.reset();
+
+ for (auto entry : cur_analog_segments_) {
+ shared_ptr<sigrok::Channel>(entry.first).reset();
+ shared_ptr<data::AnalogSegment>(entry.second).reset();
+ }
+
+ logic_data_.reset();
+
signals_changed();
- device_ = std::move(device);
- device_->open();
- device_->session()->add_datafeed_callback([=]
- (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
- data_feed_in(device, packet);
- });
+ device_ = move(device);
- update_signals();
- device_selected();
+ try {
+ device_->open();
+ } catch (const QString &e) {
+ device_.reset();
+ main_bar_->session_error(tr("Failed to open device"), e);
+ }
+
+ if (device_) {
+ device_->session()->add_datafeed_callback([=]
+ (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) {
+ data_feed_in(device, packet);
+ });
+
+ update_signals();
+ }
+
+ device_changed();
}
void Session::set_default_device()
return;
// Try and find the demo device and select that by default
- const auto iter = std::find_if(devices.begin(), devices.end(),
+ const auto iter = find_if(devices.begin(), devices.end(),
[] (const shared_ptr<devices::HardwareDevice> &d) {
- return d->hardware_device()->driver()->name() ==
- "demo"; });
+ return d->hardware_device()->driver()->name() == "demo"; });
set_device((iter == devices.end()) ? devices.front() : *iter);
}
+/**
+ * Convert generic options to data types that are specific to InputFormat.
+ *
+ * @param[in] user_spec Vector of tokenized words, string format.
+ * @param[in] fmt_opts Input format's options, result of InputFormat::options().
+ *
+ * @return Map of options suitable for InputFormat::create_input().
+ */
+map<string, Glib::VariantBase>
+Session::input_format_options(vector<string> user_spec,
+ map<string, shared_ptr<Option>> fmt_opts)
+{
+ map<string, Glib::VariantBase> result;
+
+ for (auto entry : user_spec) {
+ /*
+ * Split key=value specs. Accept entries without separator
+ * (for simplified boolean specifications).
+ */
+ string key, val;
+ size_t pos = entry.find("=");
+ if (pos == std::string::npos) {
+ key = entry;
+ val = "";
+ } else {
+ key = entry.substr(0, pos);
+ val = entry.substr(pos + 1);
+ }
+
+ /*
+ * Skip user specifications that are not a member of the
+ * format's set of supported options. Have the text input
+ * spec converted to the required input format specific
+ * data type.
+ */
+ auto found = fmt_opts.find(key);
+ if (found == fmt_opts.end())
+ continue;
+ shared_ptr<Option> opt = found->second;
+ result[key] = opt->parse_string(val);
+ }
+
+ return result;
+}
+
+void Session::load_init_file(const string &file_name, const string &format)
+{
+ shared_ptr<InputFormat> input_format;
+ map<string, Glib::VariantBase> input_opts;
+
+ if (!format.empty()) {
+ const map<string, shared_ptr<InputFormat> > formats =
+ device_manager_.context()->input_formats();
+ auto user_opts = pv::util::split_string(format, ":");
+ string user_name = user_opts.front();
+ user_opts.erase(user_opts.begin());
+ const auto iter = find_if(formats.begin(), formats.end(),
+ [&](const pair<string, shared_ptr<InputFormat> > f) {
+ return f.first == user_name; });
+ if (iter == formats.end()) {
+ main_bar_->session_error(tr("Error"),
+ tr("Unexpected input format: %s").arg(QString::fromStdString(format)));
+ return;
+ }
+ input_format = (*iter).second;
+ input_opts = input_format_options(user_opts,
+ input_format->options());
+ }
+
+ load_file(QString::fromStdString(file_name), input_format, input_opts);
+}
+
+void Session::load_file(QString file_name,
+ shared_ptr<sigrok::InputFormat> format,
+ const map<string, Glib::VariantBase> &options)
+{
+ const QString errorMessage(
+ QString("Failed to load file %1").arg(file_name));
+
+ try {
+ if (format)
+ set_device(shared_ptr<devices::Device>(
+ new devices::InputFile(
+ device_manager_.context(),
+ file_name.toStdString(),
+ format, options)));
+ else
+ set_device(shared_ptr<devices::Device>(
+ new devices::SessionFile(
+ device_manager_.context(),
+ file_name.toStdString())));
+ } catch (Error e) {
+ main_bar_->session_error(tr("Failed to load ") + file_name, e.what());
+ set_default_device();
+ main_bar_->update_device_list();
+ return;
+ }
+
+ main_bar_->update_device_list();
+
+ start_capture([&, errorMessage](QString infoMessage) {
+ main_bar_->session_error(errorMessage, infoMessage); });
+
+ set_name(QFileInfo(file_name).fileName());
+}
+
Session::capture_state Session::get_capture_state() const
{
lock_guard<mutex> lock(sampling_mutex_);
void Session::start_capture(function<void (const QString)> error_handler)
{
+ if (!device_) {
+ error_handler(tr("No active device set, can't start acquisition."));
+ return;
+ }
+
stop_capture();
// Check that at least one channel is enabled
- assert(device_);
const shared_ptr<sigrok::Device> sr_dev = device_->device();
if (sr_dev) {
const auto channels = sr_dev->channels();
- if (!std::any_of(channels.begin(), channels.end(),
+ if (!any_of(channels.begin(), channels.end(),
[](shared_ptr<Channel> channel) {
return channel->enabled(); })) {
error_handler(tr("No channels enabled."));
}
// Clear signal data
- for (const shared_ptr<data::SignalData> d : get_data())
+ for (const shared_ptr<data::SignalData> d : all_signal_data_)
d->clear();
+ trigger_list_.clear();
+
+ // Revert name back to default name (e.g. "Session 1") for real devices
+ // as the (possibly saved) data is gone. File devices keep their name.
+ shared_ptr<devices::HardwareDevice> hw_device =
+ dynamic_pointer_cast< devices::HardwareDevice >(device_);
+
+ if (hw_device) {
+ name_ = default_name_;
+ name_changed();
+ }
+
// Begin the session
sampling_thread_ = std::thread(
- &Session::sample_thread_proc, this, device_,
- error_handler);
+ &Session::sample_thread_proc, this, error_handler);
}
void Session::stop_capture()
sampling_thread_.join();
}
-set< shared_ptr<data::SignalData> > Session::get_data() const
+void Session::register_view(shared_ptr<views::ViewBase> view)
{
- shared_lock<shared_mutex> lock(signals_mutex_);
- set< shared_ptr<data::SignalData> > data;
- for (const shared_ptr<view::Signal> sig : signals_) {
- assert(sig);
- data.insert(sig->data());
+ if (views_.empty()) {
+ main_view_ = view;
+ }
+
+ views_.push_back(view);
+
+ // Add all device signals
+ update_signals();
+
+ // Add all other signals
+ unordered_set< shared_ptr<data::SignalBase> > view_signalbases =
+ view->signalbases();
+
+ views::trace::View *trace_view =
+ qobject_cast<views::trace::View*>(view.get());
+
+ if (trace_view) {
+ for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
+ const int sb_exists = count_if(
+ view_signalbases.cbegin(), view_signalbases.cend(),
+ [&](const shared_ptr<data::SignalBase> &sb) {
+ return sb == signalbase;
+ });
+ // Add the signal to the view as it doesn't have it yet
+ if (!sb_exists)
+ switch (signalbase->type()) {
+ case data::SignalBase::AnalogChannel:
+ case data::SignalBase::LogicChannel:
+ case data::SignalBase::DecodeChannel:
+#ifdef ENABLE_DECODE
+ trace_view->add_decode_signal(
+ dynamic_pointer_cast<data::DecodeSignal>(signalbase));
+#endif
+ break;
+ case data::SignalBase::MathChannel:
+ // TBD
+ break;
+ }
+ }
+ }
+
+ signals_changed();
+}
+
+void Session::deregister_view(shared_ptr<views::ViewBase> view)
+{
+ views_.remove_if([&](shared_ptr<views::ViewBase> v) { return v == view; });
+
+ if (views_.empty()) {
+ main_view_.reset();
+
+ // Without a view there can be no main bar
+ main_bar_.reset();
}
+}
+
+bool Session::has_view(shared_ptr<views::ViewBase> view)
+{
+ for (shared_ptr<views::ViewBase> v : views_)
+ if (v == view)
+ return true;
- return data;
+ return false;
}
double Session::get_samplerate() const
{
double samplerate = 0.0;
- for (const shared_ptr<pv::data::SignalData> d : get_data()) {
+ for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
assert(d);
const vector< shared_ptr<pv::data::Segment> > segments =
d->segments();
for (const shared_ptr<pv::data::Segment> &s : segments)
- samplerate = std::max(samplerate, s->samplerate());
+ samplerate = max(samplerate, s->samplerate());
}
-
// If there is no sample rate given we use samples as unit
if (samplerate == 0.0)
samplerate = 1.0;
return samplerate;
}
-const unordered_set< shared_ptr<view::Signal> > Session::signals() const
+uint32_t Session::get_segment_count() const
+{
+ uint32_t value = 0;
+
+ // Find the highest number of segments
+ for (shared_ptr<data::SignalData> data : all_signal_data_)
+ if (data->get_segment_count() > value)
+ value = data->get_segment_count();
+
+ return value;
+}
+
+vector<util::Timestamp> Session::get_triggers(uint32_t segment_id) const
+{
+ vector<util::Timestamp> result;
+
+ for (pair<uint32_t, util::Timestamp> entry : trigger_list_)
+ if (entry.first == segment_id)
+ result.push_back(entry.second);
+
+ return result;
+}
+
+const unordered_set< shared_ptr<data::SignalBase> > Session::signalbases() const
{
- shared_lock<shared_mutex> lock(signals_mutex_);
- return signals_;
+ return signalbases_;
+}
+
+bool Session::all_segments_complete(uint32_t segment_id) const
+{
+ bool all_complete = true;
+
+ for (shared_ptr<data::SignalBase> base : signalbases_)
+ if (!base->segment_is_complete(segment_id))
+ all_complete = false;
+
+ return all_complete;
}
#ifdef ENABLE_DECODE
-bool Session::add_decoder(srd_decoder *const dec)
+shared_ptr<data::DecodeSignal> Session::add_decode_signal()
{
- map<const srd_channel*, shared_ptr<view::LogicSignal> > channels;
- shared_ptr<data::DecoderStack> decoder_stack;
+ shared_ptr<data::DecodeSignal> signal;
try {
- lock_guard<boost::shared_mutex> lock(signals_mutex_);
-
- // Create the decoder
- decoder_stack = shared_ptr<data::DecoderStack>(
- new data::DecoderStack(*this, dec));
-
- // Make a list of all the channels
- std::vector<const srd_channel*> all_channels;
- for (const GSList *i = dec->channels; i; i = i->next)
- all_channels.push_back((const srd_channel*)i->data);
- for (const GSList *i = dec->opt_channels; i; i = i->next)
- all_channels.push_back((const srd_channel*)i->data);
-
- // Auto select the initial channels
- for (const srd_channel *pdch : all_channels)
- for (shared_ptr<view::Signal> s : signals_) {
- shared_ptr<view::LogicSignal> l =
- dynamic_pointer_cast<view::LogicSignal>(s);
- if (l && QString::fromUtf8(pdch->name).
- toLower().contains(
- l->name().toLower()))
- channels[pdch] = l;
- }
+ // Create the decode signal
+ signal = make_shared<data::DecodeSignal>(*this);
- assert(decoder_stack);
- assert(!decoder_stack->stack().empty());
- assert(decoder_stack->stack().front());
- decoder_stack->stack().front()->set_channels(channels);
+ signalbases_.insert(signal);
- // Create the decode signal
- shared_ptr<view::DecodeTrace> d(
- new view::DecodeTrace(*this, decoder_stack,
- decode_traces_.size()));
- decode_traces_.push_back(d);
- } catch (std::runtime_error e) {
- return false;
+ // Add the decode signal to all views
+ for (shared_ptr<views::ViewBase> view : views_)
+ view->add_decode_signal(signal);
+ } catch (runtime_error e) {
+ remove_decode_signal(signal);
+ return nullptr;
}
signals_changed();
- // Do an initial decode
- decoder_stack->begin_decode();
-
- return true;
+ return signal;
}
-vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const
+void Session::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
{
- shared_lock<shared_mutex> lock(signals_mutex_);
- return decode_traces_;
-}
+ signalbases_.erase(signal);
-void Session::remove_decode_signal(view::DecodeTrace *signal)
-{
- for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++)
- if ((*i).get() == signal) {
- decode_traces_.erase(i);
- signals_changed();
- return;
- }
+ for (shared_ptr<views::ViewBase> view : views_)
+ view->remove_decode_signal(signal);
+
+ signals_changed();
}
#endif
void Session::update_signals()
{
if (!device_) {
- signals_.clear();
+ signalbases_.clear();
logic_data_.reset();
+ for (shared_ptr<views::ViewBase> view : views_) {
+ view->clear_signals();
+#ifdef ENABLE_DECODE
+ view->clear_decode_signals();
+#endif
+ }
return;
}
const shared_ptr<sigrok::Device> sr_dev = device_->device();
if (!sr_dev) {
- signals_.clear();
+ signalbases_.clear();
logic_data_.reset();
+ for (shared_ptr<views::ViewBase> view : views_) {
+ view->clear_signals();
+#ifdef ENABLE_DECODE
+ view->clear_decode_signals();
+#endif
+ }
return;
}
// Detect what data types we will receive
auto channels = sr_dev->channels();
- unsigned int logic_channel_count = std::count_if(
+ unsigned int logic_channel_count = count_if(
channels.begin(), channels.end(),
[] (shared_ptr<Channel> channel) {
- return channel->type() == ChannelType::LOGIC; });
+ return channel->type() == sigrok::ChannelType::LOGIC; });
// Create data containers for the logic data segments
{
}
}
- // Make the Signals list
- {
- unique_lock<shared_mutex> lock(signals_mutex_);
-
- unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_);
- signals_.clear();
-
- for (auto channel : sr_dev->channels()) {
- shared_ptr<view::Signal> signal;
-
- // Find the channel in the old signals
- const auto iter = std::find_if(
- prev_sigs.cbegin(), prev_sigs.cend(),
- [&](const shared_ptr<view::Signal> &s) {
- return s->channel() == channel;
- });
- if (iter != prev_sigs.end()) {
- // Copy the signal from the old set to the new
- signal = *iter;
- auto logic_signal = dynamic_pointer_cast<
- view::LogicSignal>(signal);
- if (logic_signal)
- logic_signal->set_logic_data(
- logic_data_);
- } else {
- // Create a new signal
- switch(channel->type()->id()) {
- case SR_CHANNEL_LOGIC:
- signal = shared_ptr<view::Signal>(
- new view::LogicSignal(*this,
- device_, channel,
- logic_data_));
- break;
-
- case SR_CHANNEL_ANALOG:
- {
- shared_ptr<data::Analog> data(
- new data::Analog());
- signal = shared_ptr<view::Signal>(
- new view::AnalogSignal(
- *this, channel, data));
- break;
- }
-
- default:
- assert(0);
- break;
+ // Make the signals list
+ for (shared_ptr<views::ViewBase> viewbase : views_) {
+ views::trace::View *trace_view =
+ qobject_cast<views::trace::View*>(viewbase.get());
+
+ if (trace_view) {
+ unordered_set< shared_ptr<views::trace::Signal> >
+ prev_sigs(trace_view->signals());
+ trace_view->clear_signals();
+
+ for (auto channel : sr_dev->channels()) {
+ shared_ptr<data::SignalBase> signalbase;
+ shared_ptr<views::trace::Signal> signal;
+
+ // Find the channel in the old signals
+ const auto iter = find_if(
+ prev_sigs.cbegin(), prev_sigs.cend(),
+ [&](const shared_ptr<views::trace::Signal> &s) {
+ return s->base()->channel() == channel;
+ });
+ if (iter != prev_sigs.end()) {
+ // Copy the signal from the old set to the new
+ signal = *iter;
+ trace_view->add_signal(signal);
+ } else {
+ // Find the signalbase for this channel if possible
+ signalbase.reset();
+ for (const shared_ptr<data::SignalBase> b : signalbases_)
+ if (b->channel() == channel)
+ signalbase = b;
+
+ switch(channel->type()->id()) {
+ case SR_CHANNEL_LOGIC:
+ if (!signalbase) {
+ signalbase = make_shared<data::SignalBase>(channel,
+ data::SignalBase::LogicChannel);
+ signalbases_.insert(signalbase);
+
+ all_signal_data_.insert(logic_data_);
+ signalbase->set_data(logic_data_);
+
+ connect(this, SIGNAL(capture_state_changed(int)),
+ signalbase.get(), SLOT(on_capture_state_changed(int)));
+ }
+
+ signal = shared_ptr<views::trace::Signal>(
+ new views::trace::LogicSignal(*this,
+ device_, signalbase));
+ trace_view->add_signal(signal);
+ break;
+
+ case SR_CHANNEL_ANALOG:
+ {
+ if (!signalbase) {
+ signalbase = make_shared<data::SignalBase>(channel,
+ data::SignalBase::AnalogChannel);
+ signalbases_.insert(signalbase);
+
+ shared_ptr<data::Analog> data(new data::Analog());
+ all_signal_data_.insert(data);
+ signalbase->set_data(data);
+
+ connect(this, SIGNAL(capture_state_changed(int)),
+ signalbase.get(), SLOT(on_capture_state_changed(int)));
+ }
+
+ signal = shared_ptr<views::trace::Signal>(
+ new views::trace::AnalogSignal(
+ *this, signalbase));
+ trace_view->add_signal(signal);
+ break;
+ }
+
+ default:
+ assert(false);
+ break;
+ }
}
}
-
- assert(signal);
- signals_.insert(signal);
}
}
signals_changed();
}
-shared_ptr<view::Signal> Session::signal_from_channel(
- shared_ptr<Channel> channel) const
+shared_ptr<data::SignalBase> Session::signalbase_from_channel(
+ shared_ptr<sigrok::Channel> channel) const
{
- lock_guard<boost::shared_mutex> lock(signals_mutex_);
- for (shared_ptr<view::Signal> sig : signals_) {
+ for (shared_ptr<data::SignalBase> sig : signalbases_) {
assert(sig);
if (sig->channel() == channel)
return sig;
}
- return shared_ptr<view::Signal>();
+ return shared_ptr<data::SignalBase>();
}
-void Session::sample_thread_proc(shared_ptr<devices::Device> device,
- function<void (const QString)> error_handler)
+void Session::sample_thread_proc(function<void (const QString)> error_handler)
{
- assert(device);
assert(error_handler);
- (void)device;
+ if (!device_)
+ return;
cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
out_of_memory_ = false;
+ {
+ lock_guard<recursive_mutex> lock(data_mutex_);
+ cur_logic_segment_.reset();
+ cur_analog_segments_.clear();
+ }
+ highest_segment_id_ = -1;
+ frame_began_ = false;
+
try {
device_->start();
} catch (Error e) {
set_capture_state(device_->session()->trigger() ?
AwaitingTrigger : Running);
- device_->run();
+ try {
+ device_->run();
+ } catch (Error e) {
+ error_handler(e.what());
+ set_capture_state(Stopped);
+ return;
+ }
+
set_capture_state(Stopped);
// Confirm that SR_DF_END was received
if (cur_logic_segment_) {
qDebug("SR_DF_END was not received.");
- assert(0);
+ assert(false);
}
+ // Optimize memory usage
+ free_unused_memory();
+
+ // We now have unsaved data unless we just "captured" from a file
+ shared_ptr<devices::File> file_device =
+ dynamic_pointer_cast<devices::File>(device_);
+
+ if (!file_device)
+ data_saved_ = false;
+
if (out_of_memory_)
error_handler(tr("Out of memory, acquisition stopped."));
}
+void Session::free_unused_memory()
+{
+ for (shared_ptr<data::SignalData> data : all_signal_data_) {
+ const vector< shared_ptr<data::Segment> > segments = data->segments();
+
+ for (shared_ptr<data::Segment> segment : segments) {
+ segment->free_unused_memory();
+ }
+ }
+}
+
+void Session::signal_new_segment()
+{
+ int new_segment_id = 0;
+
+ if ((cur_logic_segment_ != nullptr) || !cur_analog_segments_.empty()) {
+
+ // Determine new frame/segment number, assuming that all
+ // signals have the same number of frames/segments
+ if (cur_logic_segment_) {
+ new_segment_id = logic_data_->get_segment_count() - 1;
+ } else {
+ shared_ptr<sigrok::Channel> any_channel =
+ (*cur_analog_segments_.begin()).first;
+
+ shared_ptr<data::SignalBase> base = signalbase_from_channel(any_channel);
+ assert(base);
+
+ shared_ptr<data::Analog> data(base->analog_data());
+ assert(data);
+
+ new_segment_id = data->get_segment_count() - 1;
+ }
+ }
+
+ if (new_segment_id > highest_segment_id_) {
+ highest_segment_id_ = new_segment_id;
+ new_segment(highest_segment_id_);
+ }
+}
+
+void Session::signal_segment_completed()
+{
+ int segment_id = 0;
+
+ for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
+ // We only care about analog and logic channels, not derived ones
+ if (signalbase->type() == data::SignalBase::AnalogChannel) {
+ segment_id = signalbase->analog_data()->get_segment_count() - 1;
+ break;
+ }
+
+ if (signalbase->type() == data::SignalBase::LogicChannel) {
+ segment_id = signalbase->logic_data()->get_segment_count() - 1;
+ break;
+ }
+ }
+
+ if (segment_id >= 0)
+ segment_completed(segment_id);
+}
+
void Session::feed_in_header()
{
- cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+ // Nothing to do here for now
}
void Session::feed_in_meta(shared_ptr<Meta> meta)
// The channel containing most samples should be most accurate
uint64_t sample_count = 0;
- for (const shared_ptr<pv::data::SignalData> d : get_data()) {
- assert(d);
- uint64_t temp_count = 0;
+ {
+ for (const shared_ptr<pv::data::SignalData> d : all_signal_data_) {
+ assert(d);
+ uint64_t temp_count = 0;
- const vector< shared_ptr<pv::data::Segment> > segments =
- d->segments();
- for (const shared_ptr<pv::data::Segment> &s : segments)
- temp_count += s->get_sample_count();
+ const vector< shared_ptr<pv::data::Segment> > segments =
+ d->segments();
+ for (const shared_ptr<pv::data::Segment> &s : segments)
+ temp_count += s->get_sample_count();
- if (temp_count > sample_count)
- sample_count = temp_count;
+ if (temp_count > sample_count)
+ sample_count = temp_count;
+ }
}
- trigger_event(sample_count / get_samplerate());
+ uint32_t segment_id = 0; // Default segment when no frames are used
+
+ // If a frame began, we'd ideally be able to use the highest segment ID for
+ // the trigger. However, as new segments are only created when logic or
+ // analog data comes in, this doesn't work if the trigger appears right
+ // after the beginning of the frame, before any sample data.
+ // For this reason, we use highest segment ID + 1 if no sample data came in
+ // yet and the highest segment ID otherwise.
+ if (frame_began_) {
+ segment_id = highest_segment_id_;
+ if (!cur_logic_segment_ && (cur_analog_segments_.size() == 0))
+ segment_id++;
+ }
+
+ // TODO Create timestamp from segment start time + segment's current sample count
+ util::Timestamp timestamp = sample_count / get_samplerate();
+ trigger_list_.emplace_back(segment_id, timestamp);
+ trigger_event(segment_id, timestamp);
}
void Session::feed_in_frame_begin()
{
- if (cur_logic_segment_ || !cur_analog_segments_.empty())
- frame_began();
+ frame_began_ = true;
+}
+
+void Session::feed_in_frame_end()
+{
+ if (!frame_began_)
+ return;
+
+ {
+ lock_guard<recursive_mutex> lock(data_mutex_);
+
+ if (cur_logic_segment_)
+ cur_logic_segment_->set_complete();
+
+ for (auto entry : cur_analog_segments_) {
+ shared_ptr<data::AnalogSegment> segment = entry.second;
+ segment->set_complete();
+ }
+
+ cur_logic_segment_.reset();
+ cur_analog_segments_.clear();
+ }
+
+ frame_began_ = false;
+
+ signal_segment_completed();
}
void Session::feed_in_logic(shared_ptr<Logic> logic)
{
- lock_guard<recursive_mutex> lock(data_mutex_);
+ if (!cur_samplerate_)
+ cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
- const size_t sample_count = logic->data_length() / logic->unit_size();
+ lock_guard<recursive_mutex> lock(data_mutex_);
if (!logic_data_) {
// The only reason logic_data_ would not have been created is
set_capture_state(Running);
// Create a new data segment
- cur_logic_segment_ = shared_ptr<data::LogicSegment>(
- new data::LogicSegment(
- logic, cur_samplerate_, sample_count));
+ cur_logic_segment_ = make_shared<data::LogicSegment>(
+ *logic_data_, logic_data_->get_segment_count(),
+ logic->unit_size(), cur_samplerate_);
logic_data_->push_segment(cur_logic_segment_);
- // @todo Putting this here means that only listeners querying
- // for logic will be notified. Currently the only user of
- // frame_began is DecoderStack, but in future we need to signal
- // this after both analog and logic sweeps have begun.
- frame_began();
- } else {
- // Append to the existing data segment
- cur_logic_segment_->append_payload(logic);
+ signal_new_segment();
}
+ cur_logic_segment_->append_payload(logic);
+
data_received();
}
void Session::feed_in_analog(shared_ptr<Analog> analog)
{
+ if (!cur_samplerate_)
+ cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE);
+
lock_guard<recursive_mutex> lock(data_mutex_);
const vector<shared_ptr<Channel>> channels = analog->channels();
const unsigned int channel_count = channels.size();
const size_t sample_count = analog->num_samples() / channel_count;
- const float *data = static_cast<const float *>(analog->data_pointer());
bool sweep_beginning = false;
- if (signals_.empty())
+ unique_ptr<float[]> data(new float[analog->num_samples()]);
+ analog->get_data_as_float(data.get());
+
+ if (signalbases_.empty())
update_signals();
+ float *channel_data = data.get();
for (auto channel : channels) {
shared_ptr<data::AnalogSegment> segment;
// in the sweep containing this segment.
sweep_beginning = true;
- // Create a segment, keep it in the maps of channels
- segment = shared_ptr<data::AnalogSegment>(
- new data::AnalogSegment(
- cur_samplerate_, sample_count));
- cur_analog_segments_[channel] = segment;
-
// Find the analog data associated with the channel
- shared_ptr<view::AnalogSignal> sig =
- dynamic_pointer_cast<view::AnalogSignal>(
- signal_from_channel(channel));
- assert(sig);
+ shared_ptr<data::SignalBase> base = signalbase_from_channel(channel);
+ assert(base);
- shared_ptr<data::Analog> data(sig->analog_data());
+ shared_ptr<data::Analog> data(base->analog_data());
assert(data);
+ // Create a segment, keep it in the maps of channels
+ segment = make_shared<data::AnalogSegment>(
+ *data, data->get_segment_count(), cur_samplerate_);
+ cur_analog_segments_[channel] = segment;
+
// Push the segment into the analog data.
data->push_segment(segment);
+
+ signal_new_segment();
}
assert(segment);
// Append the samples in the segment
- segment->append_interleaved_samples(data++, sample_count,
+ segment->append_interleaved_samples(channel_data++, sample_count,
channel_count);
}
feed_in_trigger();
break;
- case SR_DF_FRAME_BEGIN:
- feed_in_frame_begin();
- break;
-
case SR_DF_LOGIC:
try {
feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload()));
- } catch (std::bad_alloc) {
+ } catch (bad_alloc) {
out_of_memory_ = true;
device_->stop();
}
case SR_DF_ANALOG:
try {
feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload()));
- } catch (std::bad_alloc) {
+ } catch (bad_alloc) {
out_of_memory_ = true;
device_->stop();
}
break;
+ case SR_DF_FRAME_BEGIN:
+ feed_in_frame_begin();
+ break;
+
+ case SR_DF_FRAME_END:
+ feed_in_frame_end();
+ break;
+
case SR_DF_END:
- {
+ // Strictly speaking, this is performed when a frame end marker was
+ // received, so there's no point doing this again. However, not all
+ // devices use frames, and for those devices, we need to do it here.
{
lock_guard<recursive_mutex> lock(data_mutex_);
cur_logic_segment_.reset();
cur_analog_segments_.clear();
}
- frame_ended();
break;
- }
+
default:
break;
}
}
+void Session::on_data_saved()
+{
+ data_saved_ = true;
+}
+
} // namespace pv