]> sigrok.org Git - pulseview.git/blobdiff - pv/data/decodesignal.cpp
Fix malformed declaration in MathSignal and add missing signal call
[pulseview.git] / pv / data / decodesignal.cpp
index b665ba8934fafde460c762922c354890836c7716..610bfc4fe6e89771c678f33453bcef1ad78c474e 100644 (file)
@@ -170,7 +170,7 @@ void DecodeSignal::reset_decode(bool shutting_down)
        logic_mux_data_invalid_ = true;
 
        if (!error_message_.isEmpty()) {
-               error_message_ = QString();
+               error_message_.clear();
                // TODO Emulate noquote()
                qDebug().nospace() << name() << ": Error cleared";
        }
@@ -231,9 +231,6 @@ void DecodeSignal::begin_decode()
                logic_mux_data_ = make_shared<Logic>(ch_count);
        }
 
-       // Receive notifications when new sample data is available
-       connect_input_notifiers();
-
        if (get_input_segment_count() == 0)
                set_error_message(tr("No input data"));
 
@@ -274,6 +271,9 @@ void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec)
 {
        bool new_assignment = false;
 
+       // Disconnect all input signal notifications so we don't have duplicate connections
+       disconnect_input_notifiers();
+
        // Try to auto-select channels that don't have signals assigned yet
        for (decode::DecodeChannel& ch : channels_) {
                // If a decoder is given, auto-assign only its channels
@@ -308,13 +308,22 @@ void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec)
                        }
                }
 
-               if (match) {
-                       ch.assigned_signal = match.get();
+               // Prevent using a signal more than once as D1 would match e.g. D1 and D10
+               bool signal_not_already_used = true;
+               for (decode::DecodeChannel& ch : channels_)
+                       if (ch.assigned_signal && (ch.assigned_signal == match))
+                               signal_not_already_used = false;
+
+               if (match && signal_not_already_used) {
+                       ch.assigned_signal = match;
                        new_assignment = true;
                }
        }
 
        if (new_assignment) {
+               // Receive notifications when new sample data is available
+               connect_input_notifiers();
+
                logic_mux_data_invalid_ = true;
                stack_config_changed_ = true;
                commit_decoder_channels();
@@ -322,14 +331,20 @@ void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec)
        }
 }
 
-void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal)
+void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr<const SignalBase> signal)
 {
+       // Disconnect all input signal notifications so we don't have duplicate connections
+       disconnect_input_notifiers();
+
        for (decode::DecodeChannel& ch : channels_)
                if (ch.id == channel_id) {
                        ch.assigned_signal = signal;
                        logic_mux_data_invalid_ = true;
                }
 
+       // Receive notifications when new sample data is available
+       connect_input_notifiers();
+
        stack_config_changed_ = true;
        commit_decoder_channels();
        channels_updated();
@@ -340,7 +355,7 @@ int DecodeSignal::get_assigned_signal_count() const
 {
        // Count all channels that have a signal assigned to them
        return count_if(channels_.begin(), channels_.end(),
-               [](decode::DecodeChannel ch) { return ch.assigned_signal; });
+               [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); });
 }
 
 void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state)
@@ -399,8 +414,9 @@ int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
                        if (segment_id >= logic_data->logic_segments().size())
                                return 0;
 
-                       const shared_ptr<LogicSegment> segment = logic_data->logic_segments()[segment_id];
-                       count = min(count, (int64_t)segment->get_sample_count());
+                       const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
+                       if (segment)
+                               count = min(count, (int64_t)segment->get_sample_count());
                }
 
        return (no_signals_assigned ? 0 : count);
@@ -456,7 +472,6 @@ vector<const Row*> DecodeSignal::get_rows(bool visible_only) const
        return rows;
 }
 
-
 uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const
 {
        if (segment_id >= segments_.size())
@@ -807,7 +822,7 @@ void DecodeSignal::restore_settings(QSettings &settings)
 
                for (const shared_ptr<data::SignalBase>& signal : signalbases)
                        if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel))
-                               channel->assigned_signal = signal.get();
+                               channel->assigned_signal = signal;
 
                channel->initial_pin_state = settings.value("initial_pin_state").toInt();
 
@@ -838,8 +853,8 @@ bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const
                        if (segment_id >= logic_data->logic_segments().size())
                                return false;
 
-                       const shared_ptr<LogicSegment> segment = logic_data->logic_segments()[segment_id];
-                       if (!segment->is_complete())
+                       const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr();
+                       if (segment && !segment->is_complete())
                                all_complete = false;
                }
 
@@ -878,8 +893,10 @@ double DecodeSignal::get_input_samplerate(uint32_t segment_id) const
                                continue;
 
                        try {
-                               const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id);
-                               samplerate = segment->samplerate();
+                               const shared_ptr<const LogicSegment> segment =
+                                       logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+                               if (segment)
+                                       samplerate = segment->samplerate();
                        } catch (out_of_range&) {
                                // Do nothing
                        }
@@ -1006,7 +1023,7 @@ void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, c
                return;
 
        // Fetch the channel segments and their data
-       vector<shared_ptr<LogicSegment> > segments;
+       vector<shared_ptr<const LogicSegment> > segments;
        vector<const uint8_t*> signal_data;
        vector<uint8_t> signal_in_bytepos;
        vector<uint8_t> signal_in_bitpos;
@@ -1015,14 +1032,19 @@ void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, c
                if (ch.assigned_signal) {
                        const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
 
-                       shared_ptr<LogicSegment> segment;
-                       try {
-                               segment = logic_data->logic_segments().at(segment_id);
-                       } catch (out_of_range&) {
+                       shared_ptr<const LogicSegment> segment;
+                       if (segment_id < logic_data->logic_segments().size()) {
+                               segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+                       } else {
                                qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \
                                        << "has no logic segment" << segment_id;
+                               logic_mux_interrupt_ = true;
                                return;
                        }
+
+                       if (!segment)
+                               return;
+
                        segments.push_back(segment);
 
                        uint8_t* data = new uint8_t[(end - start) * segment->unit_size()];
@@ -1034,7 +1056,6 @@ void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, c
                        signal_in_bitpos.push_back(bitpos % 8);
                }
 
-
        shared_ptr<LogicSegment> output_segment;
        try {
                output_segment = logic_mux_data_->logic_segments().at(segment_id);
@@ -1042,6 +1063,7 @@ void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, c
                qDebug() << "Muxer error for" << name() << ": no logic mux segment" \
                        << segment_id << "in mux_logic_samples(), mux segments size is" \
                        << logic_mux_data_->logic_segments().size();
+               logic_mux_interrupt_ = true;
                return;
        }
 
@@ -1104,8 +1126,7 @@ void DecodeSignal::logic_mux_proc()
 
        // Create initial logic mux segment
        shared_ptr<LogicSegment> output_segment =
-               make_shared<LogicSegment>(*logic_mux_data_, segment_id,
-                       logic_mux_unit_size_, 0);
+               make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0);
        logic_mux_data_->push_segment(output_segment);
 
        output_segment->set_samplerate(get_input_samplerate(0));
@@ -1113,6 +1134,8 @@ void DecodeSignal::logic_mux_proc()
        // Logic mux data is being updated
        logic_mux_data_invalid_ = false;
 
+       connect_input_segment_notifiers(segment_id);
+
        uint64_t samples_to_process;
        do {
                do {
@@ -1151,6 +1174,9 @@ void DecodeSignal::logic_mux_proc()
                                        output_segment->set_complete();
 
                                if (segment_id < get_input_segment_count() - 1) {
+
+                                       disconnect_input_segment_notifiers(segment_id);
+
                                        // Process next segment
                                        segment_id++;
 
@@ -1160,26 +1186,33 @@ void DecodeSignal::logic_mux_proc()
                                        logic_mux_data_->push_segment(output_segment);
 
                                        output_segment->set_samplerate(get_input_samplerate(segment_id));
+
+                                       connect_input_segment_notifiers(segment_id);
+                               } else {
+                                       // Wait for more input data if we're processing the currently last segment
+                                       unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
+                                       logic_mux_cond_.wait(logic_mux_lock);
                                }
                        } else {
-                               // Wait for more input
+                               // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data
                                unique_lock<mutex> logic_mux_lock(logic_mux_mutex_);
                                logic_mux_cond_.wait(logic_mux_lock);
                        }
                }
        } while (!logic_mux_interrupt_);
+
+       disconnect_input_segment_notifiers(segment_id);
 }
 
 void DecodeSignal::decode_data(
        const int64_t abs_start_samplenum, const int64_t sample_count,
-       const shared_ptr<LogicSegment> input_segment)
+       const shared_ptr<const LogicSegment> input_segment)
 {
        const int64_t unit_size = input_segment->unit_size();
        const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
 
        for (int64_t i = abs_start_samplenum;
-               error_message_.isEmpty() && !decode_interrupt_ &&
-                       (i < (abs_start_samplenum + sample_count));
+               !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
                i += chunk_sample_count) {
 
                const int64_t chunk_end = min(i + chunk_sample_count,
@@ -1236,8 +1269,9 @@ void DecodeSignal::decode_proc()
        if (decode_interrupt_)
                return;
 
-       shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front();
-       assert(input_segment);
+       shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr();
+       if (!input_segment)
+               return;
 
        // Create the initial segment and set its sample rate so that we can pass it to SRD
        create_decode_segment();
@@ -1264,7 +1298,7 @@ void DecodeSignal::decode_proc()
 
                        // If the input segment is complete, we've exhausted this segment
                        if (input_segment->is_complete()) {
-                               if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) {
+                               if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) {
                                        // Process next segment
                                        current_segment_id_++;
 
@@ -1288,20 +1322,21 @@ void DecodeSignal::decode_proc()
                                        terminate_srd_session();
                                } else {
                                        // All segments have been processed
-                                       decode_finished();
+                                       if (!decode_interrupt_)
+                                               decode_finished();
+
+                                       // Wait for more input data
+                                       unique_lock<mutex> input_wait_lock(input_mutex_);
+                                       decode_input_cond_.wait(input_wait_lock);
                                }
                        } else {
-                               // Wait for more input data
+                               // Input segment isn't complete yet but samples_to_process is 0, wait for more input data
                                unique_lock<mutex> input_wait_lock(input_mutex_);
                                decode_input_cond_.wait(input_wait_lock);
                        }
+
                }
        } while (!decode_interrupt_);
-
-       // Potentially reap decoders when the application no longer is
-       // interested in their (pending) results.
-       if (decode_interrupt_)
-               terminate_srd_session();
 }
 
 void DecodeSignal::start_srd_session()
@@ -1409,23 +1444,75 @@ void DecodeSignal::stop_srd_session()
 
 void DecodeSignal::connect_input_notifiers()
 {
-       // Disconnect the notification slot from the previous set of signals
-       disconnect(this, SLOT(on_data_cleared()));
-       disconnect(this, SLOT(on_data_received()));
-
        // Connect the currently used signals to our slot
        for (decode::DecodeChannel& ch : channels_) {
                if (!ch.assigned_signal)
                        continue;
+               const data::SignalBase *signal = ch.assigned_signal.get();
 
-               const data::SignalBase *signal = ch.assigned_signal;
-               connect(signal, &data::SignalBase::samples_cleared,
-                       this, &DecodeSignal::on_data_cleared);
-               connect(signal, &data::SignalBase::samples_added,
-                       this, &DecodeSignal::on_data_received);
+               connect(signal, SIGNAL(samples_cleared()),
+                       this, SLOT(on_data_cleared()));
+               connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
+                       this, SLOT(on_data_received()));
        }
 }
 
+void DecodeSignal::disconnect_input_notifiers()
+{
+       // Disconnect the notification slot from the previous set of signals
+       for (decode::DecodeChannel& ch : channels_) {
+               if (!ch.assigned_signal)
+                       continue;
+               const data::SignalBase *signal = ch.assigned_signal.get();
+               disconnect(signal, nullptr, this, SLOT(on_data_cleared()));
+               disconnect(signal, nullptr, this, SLOT(on_data_received()));
+       }
+}
+
+void DecodeSignal::connect_input_segment_notifiers(uint32_t segment_id)
+{
+       for (decode::DecodeChannel& ch : channels_)
+               if (ch.assigned_signal) {
+                       const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
+
+                       shared_ptr<const LogicSegment> segment;
+                       if (segment_id < logic_data->logic_segments().size()) {
+                               segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+                       } else {
+                               qWarning() << "Signal" << name() << ":" << ch.assigned_signal->name() \
+                                       << "has no logic segment, can't connect notifier" << segment_id;
+                               continue;
+                       }
+
+                       if (!segment) {
+                               qWarning() << "Signal" << name() << ":" << ch.assigned_signal->name() \
+                                       << "has no logic segment, can't connect notifier" << segment_id;
+                               continue;
+                       }
+
+                       connect(segment.get(), SIGNAL(completed()), this, SLOT(on_input_segment_completed()));
+               }
+}
+
+void DecodeSignal::disconnect_input_segment_notifiers(uint32_t segment_id)
+{
+       for (decode::DecodeChannel& ch : channels_)
+               if (ch.assigned_signal) {
+                       const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
+
+                       shared_ptr<const LogicSegment> segment;
+                       if (segment_id < logic_data->logic_segments().size())
+                               segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr();
+                       else
+                               continue;
+
+                       if (!segment)
+                               continue;
+
+                       disconnect(segment.get(), SIGNAL(completed()), this, SLOT(on_input_segment_completed()));
+               }
+}
+
 void DecodeSignal::create_decode_segment()
 {
        // Create annotation segment
@@ -1621,6 +1708,11 @@ void DecodeSignal::on_data_received()
        // to work with
        if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
                return;
+       else {
+               error_message_.clear();
+               // TODO Emulate noquote()
+               qDebug().nospace() << name() << ": Error cleared";
+       }
 
        if (!logic_mux_thread_.joinable())
                begin_decode();
@@ -1628,6 +1720,12 @@ void DecodeSignal::on_data_received()
                logic_mux_cond_.notify_one();
 }
 
+void DecodeSignal::on_input_segment_completed()
+{
+       if (!logic_mux_thread_.joinable())
+               logic_mux_cond_.notify_one();
+}
+
 void DecodeSignal::on_annotation_visibility_changed()
 {
        annotation_visibility_changed();