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User Guide
Learn about the features and functionality available in Twin Activate.
Code Generation
Learn about generating C code from a Super Block.
Custom Wrapper Generator
This is an overview of the custom wrapper, which is used to generate custom code for different targets.
Example: Model for Multi Interrupt Use Case with the Raspberry Pi Wrapper
Block diagrams for the PWM LED blink interrupt.scm model.

Welcome
Twin Activate Release Notes
Learn about the new features and enhancements in Twin Activate.
Get Started
New to Twin Activate? Learn the basics here.
Tutorials
Start using Twin Activate with our interactive tutorials.
User Guide
Learn about the features and functionality available in Twin Activate.
- Model Components
  Learn about the components in Twin Activate models.
- Physical Component Modeling
  Learn about modeling physical components.
- Hydraulic System Modeling
  Learn about modeling hydraulic systems with the Hydraulics library (HydraulicsByFluidon).
- Electrical System Modeling
  Learn about modeling electrical and electronic systems with Modelica and Spice.
- Multibody Mechanical System Modeling
  Learn about modeling multibody dynamic systems.
- Electromagnetic System Modeling
  Learn about modeling electromagnetic systems.
- Simulation
  Learn how to set up, run, and troubleshoot simulations.
- Libraries and Extension Manager
  Learn about block libraries and managing them through the Extension Manager.
- Code Generation
  Learn about generating C code from a Super Block.
  - Code Generation and Export
    An overview of functionalities available through the Code Generation and Export dialog box.
  - Model Parameters in Twin Activate
    Learn about the types and identification of model parameters.
  - Model Hierarchy and Parameter Scoping
    Learn how Super Blocks, Contexts, and scoping enable hierarchy in model diagrams.
  - Exposable Parameters
    Learn about the definition, usage, and limitations of exposable parameters.
  - Exposable Parameters and Modelica Blocks
    Learn about exposing parameters in Modelica blocks.
  - Custom Wrapper Generator
    This is an overview of the custom wrapper, which is used to generate custom code for different targets.
    - Generate a Main File
      How wrapper blocks are used in the process of generating the main.c file.
    - GenericWrapperBlock Block
      The block GenericWrapperBlock, available in the palette of the WrapperCodeGenerator library, is used to create new Wrapper blocks.
    - General Architecture
      Description of the general architecture of the custom wrapper code generator.
    - Information Passed to the Code Generator
      Descriptions of arguments received by the target generator function.
    - How to Specify the Target of Code Generation
      Description of how to specify a target by placing the model inside a super block with the Target parameter.
    - Examples of Simple Blocks
      In addition to the block GenericWrapperBlock, several simple blocks are made available in the palette of the WrapperCodeGenerator library.
    - Centralized Approach to Defining Block Libraries
      Overview of how to define the parameters for a wrapper block.
    - Custom Wrapper Exchanges with the OML Library
      The Custom wrapper creates the OML structures needed by the target code generator function.
    - Custom Wrapper Utility Functions
      Descriptions of custom wrapper utility functions.
    - Example: Raspberry Pi Target Support
      The creation of a new code generation wrapper library for Twin Activate is discussed here.
    - Example: Model for Multi Interrupt Use Case with the Raspberry Pi Wrapper
      Block diagrams for the PWM LED blink interrupt.scm model.
- Prepare Twin Activate Models for Use in HyperStudy
  You can use Altair HyperStudyto import Twin Activate SCM files as models.
- Graphical User Interfaces
  Learn about the methods for creating a GUI in Twin Activate.
- Import Tools
  Import models into Twin Activate.
- Export Tools
- Block Builder
  Use the Block Builder tool to easily construct and customize basic blocks and programmable super blocks.
- MAT Explorer
  Use the MAT Explorer interface to explore and load variables from one or more .MAT files, providing a visual way to see the contents of selected .MAT files and to import variables into an OML session.
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Frequently Asked Questions
You've got questions? We've got answers!

Example: Model for Multi Interrupt Use Case with the Raspberry Pi Wrapper

Block diagrams for the PWM LED blink interrupt.scm model.

Check the model PWM LED blink interrupt.scm in the Demo Browser.

Figure 1. Content of the RaspberryPi Block