Application and Component Interfaces

Set up application and component interfaces for interacting with target environment software

Applications and components are units of code, which the code generator produces from top models. Deploy applications and components for use in target execution environments. For the code generator to produce C or C++ code that can interact with target environment services, you must make the code generator aware of service interface requirements by using a combination of:

Model elements in your top model
A code interface configuration defined in an Embedded Coder Dictionary (C only)
Code mappings that associate the model elements with interfaces defined in the code interface configuration

Generated application and component code interacts with target environment services through these generated code interfaces:

Entry-point functions that target software, such as a scheduler, can call
Function calls to target software, such as platform service functions

Topics

Model Code Interfaces
Represent code interfaces in top models.
Periodic and Aperiodic Function Interfaces
Generate callable entry-point functions for the algorithm represented by a top model.
Startup, Reset, and Shutdown Function Interfaces
Generate callable entry-point functions for startup, reset, and shutdown processing represented by a model.
Data Interfaces
Generate C or C++ data interface code.
Service Interfaces
Generate C service interface code for components that interact with target environment resources. (Since R2022b)
Message Communication Interfaces

Generate C/C++ code to use messages for communication.
- Model Message-Based Communication Integrated with POSIX Message Queues
- Generate Code for Wireless Sensor in Tire Pressure Monitoring Messaging System
Client-Server Communication Interfaces
Design model that uses client-server communication.
Device Driver I/O Interfaces
Design a model that reads input from or writes output to hardware devices.
Multi-Instantiation
Design a component or subcomponent with the goal of using multiple instances within the context of an application.

Featured Examples

Model Single-Core, Rate-Monotonic Multitasking Application

A model designed and configured for generating embedded system code intended to execute as an application in a single-core, multitasking target environment. The application algorithm is captured as a multirate top model that is configured for C data interface code generation. The model simulates and the generated code executes based on the model configuration and a rate monotonic scheduling algorithm.

Open Live Script

Model Multicore Concurrent Tasking Application

A model designed and configured for generating embedded system code intended to execute as an application in a symmetric multicore, multitasking target environment. The application algorithm is captured as a multirate top model that is configured for C data interface code generation.

Open Live Script

Generate Code for Atomic Subsystems

A model designed and configured for deploying embedded system component code that is generated from a model that is partitioned into multiple atomic subsystems. The subsystems execute at different rates. The multirate top model is configured for C data interface code generation. You integrate the generated source code for each subsystem with other code, including an external scheduler, that runs in a target environment.