X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fanalogsignal.cpp;h=81dd551b91d33b3913ccb53cb7c81b9e2ba12d56;hp=c346fd5bce4c8d2bc52f5ae3e0981905f6fa3d13;hb=932bc2461d7b84b084d3a77ccfeb3bdb1a2d0d6c;hpb=06b6ce26694bdde31c7d5b703c4dda36f4a25938 diff --git a/pv/views/trace/analogsignal.cpp b/pv/views/trace/analogsignal.cpp index c346fd5b..81dd551b 100644 --- a/pv/views/trace/analogsignal.cpp +++ b/pv/views/trace/analogsignal.cpp @@ -57,6 +57,8 @@ using std::pair; using std::shared_ptr; using std::vector; +using pv::data::SignalBase; + namespace pv { namespace views { namespace trace { @@ -68,11 +70,14 @@ const QColor AnalogSignal::SignalColours[4] = { QColor(0x4E, 0x9A, 0x06) // Green }; +const QPen AnalogSignal::AxisPen(QColor(0, 0, 0, 30 * 256 / 100), 2); const QColor AnalogSignal::GridMajorColor = QColor(0, 0, 0, 40 * 256 / 100); const QColor AnalogSignal::GridMinorColor = QColor(0, 0, 0, 20 * 256 / 100); const QColor AnalogSignal::SamplingPointColour(0x77, 0x77, 0x77); +const QColor AnalogSignal::ThresholdColor = QColor(0, 0, 0, 30 * 256 / 100); + const int64_t AnalogSignal::TracePaintBlockSize = 1024 * 1024; // 4 MiB (due to float) const float AnalogSignal::EnvelopeThreshold = 64.0f; @@ -95,6 +100,8 @@ AnalogSignal::AnalogSignal( display_type_(DisplayBoth), autoranging_(true) { + axis_pen_ = AxisPen; + pv::data::Analog* analog_data = dynamic_cast(data().get()); @@ -235,15 +242,16 @@ void AnalogSignal::paint_mid(QPainter &p, ViewItemPaintParams &pp) pixels_offset, samples_per_pixel); } - if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) { - const data::SignalBase::ConversionType conv_type = - base_->get_conversion_type(); + const SignalBase::ConversionType conv_type = base_->get_conversion_type(); + + if (((conv_type == SignalBase::A2LConversionByThreshold) || + (conv_type == SignalBase::A2LConversionBySchmittTrigger))) { - if (((conv_type == data::SignalBase::A2LConversionByTreshold) || - (conv_type == data::SignalBase::A2LConversionBySchmittTrigger))) { + if ((display_type_ == DisplayAnalog) || (display_type_ == DisplayBoth)) + paint_conversion_thresholds(p, pp); + if ((display_type_ == DisplayConverted) || (display_type_ == DisplayBoth)) paint_logic_mid(p, pp); - } } } @@ -430,6 +438,44 @@ void AnalogSignal::paint_envelope(QPainter &p, delete[] e.samples; } +void AnalogSignal::paint_conversion_thresholds(QPainter &p, + ViewItemPaintParams &pp) +{ + if (!base_->enabled() || !base_->logic_data()) + return; + + // TODO Register a change handler instead of querying this with every repaint + GlobalSettings settings; + const bool show_conversion_thresholds = + settings.value(GlobalSettings::Key_View_ShowConversionThresholds).toBool(); + + if (!show_conversion_thresholds) + return; + + const vector thresholds = base_->get_conversion_thresholds(); + const int y = get_visual_y(); + + p.setRenderHint(QPainter::Antialiasing, false); + + p.setPen(ThresholdColor); + + if (thresholds.size() == 2) { + // Draw as hatched block because two thresholds denote lower/upper level + const double thr_y0 = y - thresholds[0] * scale_; + const double thr_y1 = y - thresholds[1] * scale_; + p.fillRect(QRect(pp.left(), thr_y0, pp.right(), thr_y1 - thr_y0), + QBrush(ThresholdColor, Qt::BDiagPattern)); + } else { + // Draw as individual lines + for (const double thr : thresholds) { + const double thr_y = y - thr * scale_; + p.drawLine(QPointF(pp.left(), thr_y), QPointF(pp.right(), thr_y)); + } + } + + p.setRenderHint(QPainter::Antialiasing, true); +} + void AnalogSignal::paint_logic_mid(QPainter &p, ViewItemPaintParams &pp) { QLineF *line; @@ -590,6 +636,50 @@ void AnalogSignal::update_scale() scale_ = div_height_ / resolution_; } +void AnalogSignal::update_conversion_widgets() +{ + SignalBase::ConversionType conv_type = base_->get_conversion_type(); + + // Enable or disable widgets depending on conversion state + conv_threshold_cb_->setEnabled(conv_type != SignalBase::NoConversion); + display_type_cb_->setEnabled(conv_type != SignalBase::NoConversion); + + conv_threshold_cb_->clear(); + + vector < pair > presets = base_->get_conversion_presets(); + + // Prevent the combo box from firing the "edit text changed" signal + // as that would involuntarily select the first entry + conv_threshold_cb_->blockSignals(true); + + // Set available options depending on chosen conversion + for (pair preset : presets) + conv_threshold_cb_->addItem(preset.first, preset.second); + + map < QString, QVariant > options = base_->get_conversion_options(); + + if (conv_type == SignalBase::A2LConversionByThreshold) { + const vector thresholds = base_->get_conversion_thresholds( + SignalBase::A2LConversionByThreshold, true); + conv_threshold_cb_->addItem( + QString("%1V").arg(QString::number(thresholds[0], 'f', 1)), -1); + } + + if (conv_type == SignalBase::A2LConversionBySchmittTrigger) { + const vector thresholds = base_->get_conversion_thresholds( + SignalBase::A2LConversionBySchmittTrigger, true); + conv_threshold_cb_->addItem(QString("%1V/%2V").arg( + QString::number(thresholds[0], 'f', 1), + QString::number(thresholds[1], 'f', 1)), -1); + } + + int preset_id = base_->get_current_conversion_preset(); + conv_threshold_cb_->setCurrentIndex( + conv_threshold_cb_->findData(preset_id)); + + conv_threshold_cb_->blockSignals(false); +} + void AnalogSignal::perform_autoranging(bool keep_divs, bool force_update) { const deque< shared_ptr > &segments = @@ -724,9 +814,12 @@ void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) // Add the conversion type dropdown conversion_cb_ = new QComboBox(); - conversion_cb_->addItem("none", data::SignalBase::NoConversion); - conversion_cb_->addItem("to logic via threshold", data::SignalBase::A2LConversionByTreshold); - conversion_cb_->addItem("to logic via schmitt-trigger", data::SignalBase::A2LConversionBySchmittTrigger); + conversion_cb_->addItem(tr("none"), + SignalBase::NoConversion); + conversion_cb_->addItem(tr("to logic via threshold"), + SignalBase::A2LConversionByThreshold); + conversion_cb_->addItem(tr("to logic via schmitt-trigger"), + SignalBase::A2LConversionBySchmittTrigger); cur_idx = conversion_cb_->findData(QVariant(base_->get_conversion_type())); conversion_cb_->setCurrentIndex(cur_idx); @@ -736,21 +829,35 @@ void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form) connect(conversion_cb_, SIGNAL(currentIndexChanged(int)), this, SLOT(on_conversion_changed(int))); + // Add the conversion threshold settings + conv_threshold_cb_ = new QComboBox(); + conv_threshold_cb_->setEditable(true); + + layout->addRow(tr("Conversion threshold(s)"), conv_threshold_cb_); + + connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)), + this, SLOT(on_conv_threshold_changed(int))); + connect(conv_threshold_cb_, SIGNAL(editTextChanged(const QString)), + this, SLOT(on_conv_threshold_changed())); // index will be -1 + // Add the display type dropdown display_type_cb_ = new QComboBox(); - display_type_cb_->addItem(tr("Analog"), DisplayAnalog); - display_type_cb_->addItem(tr("Converted"), DisplayConverted); - display_type_cb_->addItem(tr("Both"), DisplayBoth); + display_type_cb_->addItem(tr("analog"), DisplayAnalog); + display_type_cb_->addItem(tr("converted"), DisplayConverted); + display_type_cb_->addItem(tr("analog+converted"), DisplayBoth); cur_idx = display_type_cb_->findData(QVariant(display_type_)); display_type_cb_->setCurrentIndex(cur_idx); - layout->addRow(tr("Traces to show:"), display_type_cb_); + layout->addRow(tr("Show traces for"), display_type_cb_); connect(display_type_cb_, SIGNAL(currentIndexChanged(int)), this, SLOT(on_display_type_changed(int))); + // Update the conversion widget contents and states + update_conversion_widgets(); + form->addRow(layout); } @@ -858,20 +965,103 @@ void AnalogSignal::on_autoranging_changed(int state) void AnalogSignal::on_conversion_changed(int index) { - data::SignalBase::ConversionType old_conv_type = - base_->get_conversion_type(); + SignalBase::ConversionType old_conv_type = base_->get_conversion_type(); - data::SignalBase::ConversionType conv_type = - (data::SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); + SignalBase::ConversionType conv_type = + (SignalBase::ConversionType)(conversion_cb_->itemData(index).toInt()); if (conv_type != old_conv_type) { base_->set_conversion_type(conv_type); + update_conversion_widgets(); if (owner_) owner_->row_item_appearance_changed(false, true); } } +void AnalogSignal::on_conv_threshold_changed(int index) +{ + SignalBase::ConversionType conv_type = base_->get_conversion_type(); + + // Note: index is set to -1 if the text in the combo box matches none of + // the entries in the combo box + + if ((index == -1) && (conv_threshold_cb_->currentText().length() == 0)) + return; + + // The combo box entry with the custom value has user_data set to -1 + const int user_data = conv_threshold_cb_->findText( + conv_threshold_cb_->currentText()); + + const bool use_custom_thr = (index == -1) || (user_data == -1); + + if (conv_type == SignalBase::A2LConversionByThreshold && use_custom_thr) { + // Not one of the preset values, try to parse the combo box text + // Note: Regex loosely based on + // https://txt2re.com/index-c++.php3?s=0.1V&1&-13 + QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value + QString re2 = "([a-zA-Z]*)"; // SI unit + QRegExp regex(re1 + re2); + + const QString text = conv_threshold_cb_->currentText(); + if (!regex.exactMatch(text)) + return; // String doesn't match the regex + + QStringList tokens = regex.capturedTexts(); + + // For now, we simply assume that the unit is volt without modifiers + const double thr = tokens.at(1).toDouble(); + + // Only restart the conversion if the threshold was updated. + // We're starting a delayed conversion because the user may still be + // typing and the UI would lag if we kept on restarting it immediately + if (base_->set_conversion_option("threshold_value", thr)) + base_->start_conversion(true); + } + + if (conv_type == SignalBase::A2LConversionBySchmittTrigger && use_custom_thr) { + // Not one of the preset values, try to parse the combo box text + // Note: Regex loosely based on + // https://txt2re.com/index-c++.php3?s=0.1V/0.2V&2&14&-22&3&15 + QString re1 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value + QString re2 = "([a-zA-Z]*)"; // SI unit + QString re3 = "\\/"; // Forward slash, not captured + QString re4 = "([+-]?\\d*[\\.,]?\\d*)"; // Float value + QString re5 = "([a-zA-Z]*)"; // SI unit + QRegExp regex(re1 + re2 + re3 + re4 + re5); + + const QString text = conv_threshold_cb_->currentText(); + if (!regex.exactMatch(text)) + return; // String doesn't match the regex + + QStringList tokens = regex.capturedTexts(); + + // For now, we simply assume that the unit is volt without modifiers + const double low_thr = tokens.at(1).toDouble(); + const double high_thr = tokens.at(3).toDouble(); + + // Only restart the conversion if one of the options was updated. + // We're starting a delayed conversion because the user may still be + // typing and the UI would lag if we kept on restarting it immediately + bool o1 = base_->set_conversion_option("threshold_value_low", low_thr); + bool o2 = base_->set_conversion_option("threshold_value_high", high_thr); + if (o1 || o2) + base_->start_conversion(true); // Start delayed conversion + } + + base_->set_conversion_preset((SignalBase::ConversionPreset)index); + + // Immediately start the conversion if we're not using custom values + // (i.e. we're using one of the presets) + if (!use_custom_thr) + base_->start_conversion(); +} + +void AnalogSignal::on_delayed_conversion_starter() +{ + base_->start_conversion(); +} + void AnalogSignal::on_display_type_changed(int index) { display_type_ = (DisplayType)(display_type_cb_->itemData(index).toInt());