Connect components with different interfaces
The Adapter block allows you to connect the source and destination ports of components that have different interface definitions.
To add or connect System Composer™ components:
Add an Adapter block from the Modeling tab or the palette. The Adapter block has
Click and drag a port to create a connection. Connect each port to another component. You can also create a new component to complete the connection.
Insert an Adapter block between two ports with different interfaces. You can create mappings between interface elements on each port.
To map between interfaces, apply interface conversions, and enter bus creation mode for architecture models:
Double-click the Adapter block to open the Interface Adapter dialog. From here, you can create and edit mappings between input and output interfaces, and set the Apply Interface conversion parameter to:
UnitDelayto break an algebraic loop or
RateTransitionto reconcile different sample time rates for reference models. When output interfaces are undefined, you can use input interfaces in bus creation mode to author owned output interfaces as you work.
To merge multiple message lines for architecture models and multiple signal or message lines for software architecture models:
Manually configure the Adapter block by double-clicking the block to open the Interface Adapter. Set the Apply Interface conversion parameter to
For software architecture models, from the toolstrip, add a Merge block, which is a preconfigured Adapter block for merging.
When used for structural interface adaptations, the Adapter block uses bus element ports internally and, subsequently, only supports virtual buses.
The Adapter block does not support mixing messages and signals as inputs and outputs.
Source — Input connection from a component
If you connect to a source component, the interfaces on the ports should be compatible.
Destination — Output connection to a component
If you connect to a destination component, the interfaces on the ports should be compatible.
|interface data dictionary|
An interface data dictionary is a consolidated list of all the interfaces and value types in an architecture and where they are used.
Local interfaces on a System Composer model can be saved in an interface data dictionary using the Interface Editor. You can reuse interface dictionaries between models that need to use a given set of interfaces, elements, and value types. Linked data dictionaries are stored in separate SLDD files.
A data interface defines the kind of information that flows through a port. The same interface can be assigned to multiple ports. A data interface can be composite, meaning that it can include data elements that describe the properties of an interface signal.
Data interfaces represent the information that is shared through a connector and enters or exits a component through a port. Use the Interface Editor to create and manage data interfaces and data elements and store them in an interface data dictionary for reuse between models.
A data element describes a portion of an interface, such as a communication message, a calculated or measured parameter, or other decomposition of that interface.
Data interfaces are decomposed into data elements:
A value type can be used as a port interface to define the atomic piece of data that flows through that port and has a top-level type, dimension, unit, complexity, minimum, maximum, and description.
You can also assign the type of data elements in data interfaces to value types. Add value types to data dictionaries using the Interface Editor so that you can reuse the value types as interfaces or data elements.
|Create Value Types as Interfaces|
An owned interface is an interface that is local to a specific port and not shared in a data dictionary or the model dictionary.
Create an owned interface to represent a value type or data interface that is local to a port.
|Define Owned Interfaces Local to Ports|
An adapter helps connect two components with incompatible port interfaces by mapping between the two interfaces. An adapter can act as a unit delay or rate transition. You can also use an adapter for bus creation. Use the Adapter block to implement an adapter.
With an adapter, you can perform functions on the Interface Adapter dialog box:
Introduced in R2019a