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使用Simulink配置AUTOSAR Client-Server通信

Simulink

AUTOSAR

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该文件step by step的介绍了如何通过Simulink将配置AUTOSAR中Client Server通信。可以用于对Simulink 向 AUTOSAR规范的迁移指导

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Configure AUTOSAR Client-Server Communication

In Simulink , you can model AUTOSAR client-server communication for simulation and code

generation. For information about the Simulink blocks you use and the high-level workflow, see Client-

Server Interface.

To model AUTOSAR servers and clients, you can do either or both of the following:

Import AUTOSAR servers and clients from arxml code into a model.

Configure AUTOSAR servers and clients from Simulink blocks.

This topic provides examples of AUTOSAR server and client configuration that start from Simulink

blocks.

Configure AUTOSAR Server

Configure AUTOSAR Client

Configure AUTOSAR Client-Server Error Handling

Concurrency Constraints for AUTOSAR Server Runnables

Configure and Map AUTOSAR Server and Client Programmatically

Configure AUTOSAR Server

This example shows how to configure a Simulink Function block as an AUTOSAR server. The example

uses these files in the folder matlabroot/help/toolbox/ecoder/examples/autosar (open):

mControllerWithInterface_server.slx

ExampleApplicationErrorType.m

If you copy the files to a working folder, collocate the MATLAB file with the model file.

Open a model in which you want to create and configure an AUTOSAR server, or open the example

model mControllerWithInterface_server.slx.

Add a Simulink Function block to the model. In the Simulink Library Browser, the Simulink Function

block is in User-Defined Functions.

The example model provides two Simulink Function blocks, doOverride and readData.

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Configure the Simulink Function block to implement a server function. Configure a function

prototype and implement the server function algorithm.

In the example model, the contents of the Simulink Function block named readData implement a

server function named readData.

The contents include:

Trigger block readData, representing a trigger port for the server function. In the Trigger block

properties, Trigger type is set to Function call. Also, the option Treat as Simulink function is

selected.

Argument Inport block Op and Argument Outport blocks Data, ERR, and NegCode, corresponding

to the function prototype [Data,ERR,NegCode]=readData(Op).

Note

When configuring server function arguments, you must specify signal data type, port

dimensions, and signal type on the Signal Attributes tab of the inport and outport

blocks. The AUTOSAR configuration fails validation if signal attributes are absent for

server function arguments.

Blocks implementing the readData function algorithm. In this example, a few simple blocks

provide Data, ERR, and NegCode output values with minimal manipulation. A Constant block

represents the value of an application error defined for the server function. The value of Op

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passed by the caller is ignored. In a real-world application, the algorithm could perform a more

complex manipulation, for example, selecting an execution path based on the passed value of

Op, producing output data required by the application, and checking for error conditions.

When the server function is working in Simulink, set up the Simulink Function block in a model

configured for AUTOSAR. For example, configure the current model for AUTOSAR or copy the block

into an AUTOSAR model.

The example model is an AUTOSAR model, into which the Simulink Function block readData has

been copied. In place of a meaningful Op input value for the readData function, Simulink data

transfer line CurVal provides an input value that is used in the function algorithm.

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The required elements to configure an AUTOSAR server, in the general order they are created, are:

AUTOSAR client-server (C-S) interface

One or more AUTOSAR operations for which the C-S interface handles client requests

AUTOSAR server port to receive client requests for a server operation

For each server operation, an AUTOSAR server runnable to execute client requests

Open AUTOSAR Dictionary. To view AUTOSAR C-S interfaces in the model, go to the C-S Interfaces

view. The example model already contains client-server interfaces.

If a C-S interface does not yet exist in your model, create one.

In the C-S interfaces view, click the Add button . This action opens the Add Interfaces dialog

box.

In the dialog box, name the new C-S Interface, and specify the number of operations you intend

to associate with the interface. Leave other parameters at their defaults. Click Add. The new

interface appears in the C-S interfaces view.

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Under C-S Interfaces, create one or more AUTOSAR server operations for which the C-S interface

handles client requests. Each operation corresponds to a Simulink server function in the model.

Expand C-S Interfaces and expand the individual C-S interface to which you want to add a server

operation. (In the example model, expand CsIf1.) To view operations for the interface, select

Operations. The example model already contains AUTOSAR server operations named doOverride

and readData.

If a server operation does not yet exist in your model, create one. (If your C-S interface contains a

placeholder operation named Operation1, you can safely delete it.)

In the operations view, click the Add button . This action opens the Add Operation dialog

box.

In the dialog box, enter the Operation Name. Specify the name of the corresponding Simulink

server function.

If the corresponding Simulink server function has arguments, select the function in the Simulink

Function list. This action causes AUTOSAR operation arguments to be automatically created

based on the Simulink server function arguments. Click OK. The operation and its arguments

appear in the operations view.

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uxporsche

2023-04-06

一般吧，还不完整

使用Simulink配置AUTOSAR Client-Server通信

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