+ if (settings.contains("name"))
+ set_name(settings.value("name").toString());
+
+ if (settings.contains("enabled"))
+ set_enabled(settings.value("enabled").toBool());
+
+ if (settings.contains("color"))
+ set_color(settings.value("color").value<QColor>());
+
+ if (settings.contains("conversion_type"))
+ set_conversion_type((ConversionType)settings.value("conversion_type").toInt());
+
+ int conv_options = 0;
+ if (settings.contains("conv_options"))
+ conv_options = settings.value("conv_options").toInt();
+
+ if (conv_options)
+ for (int i = 0; i < conv_options; i++) {
+ const QString key_id = QString("conv_option%1_key").arg(i);
+ const QString value_id = QString("conv_option%1_value").arg(i);
+
+ if (settings.contains(key_id) && settings.contains(value_id))
+ conversion_options_[settings.value(key_id).toString()] =
+ settings.value(value_id);
+ }
+}
+
+bool SignalBase::conversion_is_a2l() const
+{
+ return ((channel_type_ == AnalogChannel) &&
+ ((conversion_type_ == A2LConversionByThreshold) ||
+ (conversion_type_ == A2LConversionBySchmittTrigger)));
+}
+
+void SignalBase::convert_single_segment_range(AnalogSegment *asegment,
+ LogicSegment *lsegment, uint64_t start_sample, uint64_t end_sample)
+{
+ if (end_sample > start_sample) {
+ tie(min_value_, max_value_) = asegment->get_min_max();
+
+ // Create sigrok::Analog instance
+ float *asamples = new float[ConversionBlockSize];
+ uint8_t *lsamples = new uint8_t[ConversionBlockSize];
+
+ vector<shared_ptr<sigrok::Channel> > channels;
+ channels.push_back(channel_);
+
+ vector<const sigrok::QuantityFlag*> mq_flags;
+ const sigrok::Quantity * const mq = sigrok::Quantity::VOLTAGE;
+ const sigrok::Unit * const unit = sigrok::Unit::VOLT;
+
+ shared_ptr<sigrok::Packet> packet =
+ Session::sr_context->create_analog_packet(channels,
+ asamples, ConversionBlockSize, mq, unit, mq_flags);
+
+ shared_ptr<sigrok::Analog> analog =
+ dynamic_pointer_cast<sigrok::Analog>(packet->payload());
+
+ // Convert
+ uint64_t i = start_sample;
+
+ if (conversion_type_ == A2LConversionByThreshold) {
+ const double threshold = get_conversion_thresholds()[0];
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > ConversionBlockSize) {
+ asegment->get_samples(i, i + ConversionBlockSize, asamples);
+
+ shared_ptr<sigrok::Logic> logic =
+ analog->get_logic_via_threshold(threshold, lsamples);
+
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment->segment_id(), i, i + ConversionBlockSize);
+ i += ConversionBlockSize;
+ }
+
+ // Re-create sigrok::Analog and convert remaining samples
+ packet = Session::sr_context->create_analog_packet(channels,
+ asamples, end_sample - i, mq, unit, mq_flags);
+
+ analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload());
+
+ asegment->get_samples(i, end_sample, asamples);
+ shared_ptr<sigrok::Logic> logic =
+ analog->get_logic_via_threshold(threshold, lsamples);
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment->segment_id(), i, end_sample);
+ }
+
+ if (conversion_type_ == A2LConversionBySchmittTrigger) {
+ const vector<double> thresholds = get_conversion_thresholds();
+ const double lo_thr = thresholds[0];
+ const double hi_thr = thresholds[1];
+
+ uint8_t state = 0; // TODO Use value of logic sample n-1 instead of 0
+
+ // Convert as many sample blocks as we can
+ while ((end_sample - i) > ConversionBlockSize) {
+ asegment->get_samples(i, i + ConversionBlockSize, asamples);
+
+ shared_ptr<sigrok::Logic> logic =
+ analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr,
+ &state, lsamples);
+
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment->segment_id(), i, i + ConversionBlockSize);
+ i += ConversionBlockSize;
+ }
+
+ // Re-create sigrok::Analog and convert remaining samples
+ packet = Session::sr_context->create_analog_packet(channels,
+ asamples, end_sample - i, mq, unit, mq_flags);
+
+ analog = dynamic_pointer_cast<sigrok::Analog>(packet->payload());
+
+ asegment->get_samples(i, end_sample, asamples);
+ shared_ptr<sigrok::Logic> logic =
+ analog->get_logic_via_schmitt_trigger(lo_thr, hi_thr,
+ &state, lsamples);
+ lsegment->append_payload(logic->data_pointer(), logic->data_length());
+ samples_added(lsegment->segment_id(), i, end_sample);
+ }
+
+ // If acquisition is ongoing, start-/endsample may have changed
+ end_sample = asegment->get_sample_count();
+
+ delete[] lsamples;
+ delete[] asamples;
+ }
+}
+
+void SignalBase::convert_single_segment(AnalogSegment *asegment, LogicSegment *lsegment)
+{
+ uint64_t start_sample, end_sample, old_end_sample;
+ start_sample = end_sample = 0;
+ bool complete_state, old_complete_state;
+
+ start_sample = lsegment->get_sample_count();
+ end_sample = asegment->get_sample_count();
+ complete_state = asegment->is_complete();
+
+ // Don't do anything if the segment is still being filled and the sample count is too small
+ if ((!complete_state) && (end_sample - start_sample < ConversionBlockSize))
+ return;
+
+ do {
+ convert_single_segment_range(asegment, lsegment, start_sample, end_sample);
+
+ old_end_sample = end_sample;
+ old_complete_state = complete_state;
+
+ start_sample = lsegment->get_sample_count();
+ end_sample = asegment->get_sample_count();
+ complete_state = asegment->is_complete();
+
+ // If the segment has been incomplete when we were called and has been
+ // completed in the meanwhile, we convert the remaining samples as well.
+ // Also, if a sufficient number of samples was added in the meanwhile,
+ // we do another round of sample conversion.
+ } while ((complete_state != old_complete_state) ||
+ (end_sample - old_end_sample >= ConversionBlockSize));