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scopy-component-relationships How Scopy libraries depend on each other, plugin commonalities, MessageBroker topics, shared widgets, style system flow, and build system relationships. Loaded when determining component interactions or change impact.
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name scopy-component-relationships description How Scopy libraries depend on each other, plugin commonalities, MessageBroker topics, shared widgets, style system flow, and build system relationships. Loaded when determining component interactions or change impact.
Scopy Component Relationships
Library Dependency Graph
┌──────────────┐
│ scopy-core │
└──────┬───────┘
┌───────────────┼───────────────────┐
│ │ │
┌──────▼───────┐ ┌─────▼──────┐ ┌──────────▼──────────┐
│scopy-pluginbase│ │ scopy-gui │ │ scopy-pkg-manager │
└──────┬───────┘ └─────┬──────┘ └─────────────────────┘
│ │
┌──────▼───────────────▼──────┐
│ scopy-common │
└──────┬──────────────────────┘
│
┌──────▼───────┐ ┌────────────────────┐
│ scopyiioutil │◄───│ scopy-iio-widgets │
└──────────────┘ └────────────────────┘
│
┌─────▼──────┐
│scopy-gr-util│
└────────────┘
Detailed link dependencies:
Library Links Against scopy-commonQt Core/Widgets/Concurrent scopyiioutilQt Widgets, libiio, libserialport scopy-guiscopy-common, scopy-pluginbase, QWT, Boost, Qt Widgets/Xml/Svg scopy-gr-utilscopy-iioutil, scopy-gui, scopy-iio-widgets, Gnuradio (runtime/analog/blocks/fft/filter/pmt/iio), Genalyzer scopy-pluginbasescopy-common, scopyiioutil, Qt Core/Widgets/Concurrent/Qml, libiio
scopy-iio-widgets
scopy-gui, scopyiioutil, libiio, Qt Core/Widgets
scopy-coreall above, Python3, libsigrokdecode, Qt Core/Widgets/Concurrent/Network
Plugin Pattern Families
Device Plugins (hardware-specific) Packages: ad936x, ad9371, adrv9002, adrv9009, apollo-ad9084, cn0511, daq2, fmcomms11, swiot, pqmon, imu, rfpowermeter
compatible() checks IIO context for specific device namesUse IIOWidgetBuilder extensively for attribute controls
Create instrument/tool classes per device feature
Often have gain widgets, frequency controls, calibration sections
Use CyclicalTask/PingTask for device monitoring
API class exposes Q_INVOKABLE methods for test automation
Generic Plugins Package: generic-plugins
Plugins: ADC, DAC, Datalogger, Debugger, Regmap, JESD Status
Work with any IIO device (not device-specific compatible())
ADC/DAC use GNU Radio pipeline (gr-util dependency)
Debugger/Regmap are register-level tools
Datalogger handles data recording across devices
Utility Plugins Package: extproc (external processor), test-plugins
extproc: External process management, plot management
test-plugins: Development/testing utilities (default OFF)
MessageBroker Topics The MessageBroker is a singleton pub/sub system. All plugins auto-subscribe to "broadcast".
Topic names typically match plugin class names (e.g., "TestPlugin", "TestPlugin2")
"broadcast" — default topic, all plugins receive
Device-specific topics for cross-plugin coordination
MessageBroker::GetInstance ()->publish ("MyPlugin" , "calibration_complete" );
MessageBroker::GetInstance ()->subscribe (this , "MyPlugin" );
void messageCallback (QString topic, QString message) override if (topic == "MyPlugin" && message == "calibration_complete" ) { }
}
Shared IIOWidget Patterns IIOWidgetBuilder is used across most device plugins. Common widget configurations:
Widget Type Use Case Plugins Using It RangeUiNumeric attributes (frequency, gain) ad936x, adrv9002, adrv9009, generic ADC/DAC ComboUiEnumerated attributes (mode, filter) ad936x, adrv9002, swiot, generic CheckBoxUiBoolean attributes (enable/disable) swiot, pqmon EditableUiFree-form text attributes debugger, regmap TemperatureUiTemperature with thresholds imu, rfpowermeter
IIOWidgetGroup — groups widgets for batch read/write operations. Most plugins create one group per tool/section.
Style System Flow JSON theme files → Style::getAttribute() / Style::getColor()
→ Style::setStyle(widget, property)
→ Style::setBackgroundColor(widget, color)
Key theme color categories:
Category Values Purpose Background background_primary, background_subtle, background_secondary, background_plotContainer backgrounds Content content_default, content_subtle, content_silent, content_inverseText and icons Status content_success, content_error, content_busyStatus indicators Interactive interactive_primary_*, interactive_subtle_*, interactive_secondary_*Buttons, controls (idle/hover/pressed/disabled) Special interactive_accent_idle, danger_default, interactive_focusAccent and danger states
Style::setStyle (widget, style::properties::label::menuBig);
Style::setStyle (widget, style::properties::widget::border_interactive);
Style::setStyle (widget, style::properties::widget::basicBackground, true , true );
Style::setBackgroundColor (widget, json::theme::background_primary);
Build System Relationships
ENABLE_PACKAGE_<NAME> — uppercase name with dashes preservedENABLE_ALL_PACKAGES=ON — enables everythingDefault ON for all except: TEST-PLUGINS (OFF), EXTPROC (OFF)
Plugin enable flags (within a package):
ENABLE_PLUGIN_<NAME> — individual plugin controlDefined by add_plugins() function in PackageUtils.cmake
Available packages (16 total):
ad936x, ad9371, adrv9002, adrv9009, apollo-ad9084, cn0511, daq2, extproc, fmcomms11, generic-plugins, imu, m2k, pqmon, rfpowermeter, swiot, test-plugins
Cross-Cutting Concerns
Settings Persistence
Plugin-level: saveSettings(QSettings&) / loadSettings(QSettings&)
Global: Preferences::get/set() singleton
Both backed by QSettings (INI file format)
Device Connection State
DeviceImpl manages plugin lifecycle
m_connectedPlugins tracks which plugins are activePingTask monitors device health
connectionLost() signal triggers reconnection/warning UI
ScopyJS (JavaScript Engine)
Enabled by default (ENABLE_SCOPYJS=ON)
API objects registered via ScopyJS::GetInstance()->registerApi()
Used for test automation and scripting
Each plugin can expose one API object
