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Rapid-Prototyping Deployment

Build, validate, refine, and test generated executables

Choose from several deployment approaches based on application requirements, prototyping or production environment, and your current phase of the development process. If want to run fast, standalone simulations, such as batch or Monte Carlo simulations on you development computer, build an executable with the rapid simulation (RSim) target. Another method of accelerating simulations is to generate an S-function block for use in another model. In addition to improving simulation speed, this approach reuses code and protects intellectual property.

With an external mode simulation, you create a communication channel between your development computer and a target processor that runs the executable file created by the code generation and build process. Through the communication channel, you can modify parameter values for the target program, and monitor and store signal data from the target program.

If real-time response is critical, build and deploy an executable program. Build the program from a component that controls a system or from a model that represents a system being controlled. In the component case, you build, deploy, and tune code as it runs on a real-time simulator or microprocessor. For a test environment, you build and download an executable program to a model to a hardware-in-the-loop (HIL) simulation platform. After setting up the environment, run the executable program to validate the system or control unit in real time.


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target.APIDescribe API details
target.APIImplementationDescribe API implementation details
target.BoardProvide hardware board details
target.BuildDependenciesDescribe C and C++ build dependencies to associate with target hardware
target.CommandCapture system command for execution on MATLAB computer
target.CommunicationInterfaceDescribe data I/O details for target hardware
target.CommunicationProtocolStackDescribe communication protocol parameters
target.LanguageImplementationProvide C and C++ compiler implementation details
target.ObjectBase class for target types
target.ProcessorProvide target processor information
target.CommunicationChannelDescribe communication channel properties
target.RS232ChannelDescribe serial communication channel
target.TCPChannelDescribe TCP communication properties
target.ExternalModeRepresent external mode protocol stack
target.ExternalModeConnectivityBase class for external mode connectivity options
target.XCPDescribe XCP protocol stack for target hardware
target.XCPExternalModeConnectivityRepresent connectivity options in external mode protocol stack
target.XCPPlatformAbstractionSpecify XCP platform abstraction layer for target hardware
target.XCPSerialTransportRepresent XCP serial transport protocol layer
target.XCPTCPIPTransportRepresent XCP TCP/IP transport protocol layer
target.XCPTransportBase class for XCP transport protocol layer


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rsimgetrtpGlobal model parameter structure
rsimsetrtpparamSet parameters of rtP model parameter structure
extmodeBackgroundRunPerform external mode background activity
extmodeEventExternal mode event trigger
extmodeGetFinalSimulationTimeGet final simulation time for external mode platform abstraction layer
extmodeInitInitialize external mode target connectivity
extmodeParseArgsExtract values of configuration parameters supported by external mode abstraction layer
extmodeResetReset external mode target connectivity
extmodeSetFinalSimulationTimeSet final simulation time in external mode platform abstraction layer
extmodeSimulationCompleteCheck that external mode simulation is complete
extmodeStopRequestedCheck whether request to stop external mode simulation is received from model
extmodeWaitForHostRequestWait for request from development computer to start or stop external mode simulation
rtiostreamtestTest custom rtiostream interface implementation


targetManage target hardware information


Run on Custom HardwareRun external mode simulations


Generated S-FunctionRepresent model or subsystem as generated S-function code


Rapid Prototyping Considerations

Choose an External Code Integration Workflow

For application integration points, characterize external code, identify code generation integration requirements, and choose a workflow.

Deploy Algorithm Model for Real-Time Rapid Prototyping

Deploy algorithm model for testing in real time.

Untrusted Custom Code, Custom Targets, and Callbacks

Use of untrusted custom code entails risk.

Rapid Simulation

Accelerate, Refine, and Test Hybrid Dynamic System on Host Computer by Using RSim System Target File

Accelerate simulation of a model in nonreal-time on your development computer.

Run Rapid Simulations Over a Range of Parameter Values

This example shows how to use the RSim system target file to run simulations over a range of parameter values.

Run Batch Simulations Without Recompiling Generated Code

This example shows how to run batch simulations without recompiling the generated code.

Use MAT-Files to Feed Data to Inport Blocks for Rapid Simulations

This example shows how the code generator RSim -i option lets you use a MAT-file as the input data source for Inport blocks for rapid simulations.

Reusable Component Deployment

Accelerate Simulation, Reuse Code, or Protect Intellectual Property by Using S-Function Target

Generate a shared library from a model or subsystem that you can load dynamically into another application.

Interface to a Development Computer Simulator By Using a Shared Library

Generate a shared library that you can load dynamically into another application.

Generate S-Function from Subsystem

Apply Generate S-Function operation to create an S-Function from a subsystem block.

External Mode Simulation

External Mode Simulations for Parameter Tuning and Signal Monitoring

Tune parameters and monitor signals through communication channel between development computer and target hardware.

External Mode Simulation by Using XCP Communication

Run external mode simulations that use an XCP communication channel.

Graphical Controls for XCP External Mode Simulations

Hardware tab and External Mode Control Panel controls for XCP external mode simulations.

Set Up Connectivity Between Simulink and Target Hardware

Use target package to provide connectivity between Simulink® and target hardware.

Customize XCP Slave Software

Customize XCP slave software for target hardware.

External Mode Simulation with TCP/IP or Serial Communication

Run external mode simulations that use a TCP/IP or serial communication channel.

Create a Transport Layer for TCP/IP or Serial External Mode Communication

Create custom low-level communications layer to support an external mode connection to your custom target.

HIL Simulation

Deploy Environment Model for Real-Time Hardware-In-the-Loop (HIL) Simulation

Deploy environment model for testing in real time.