CN105912334A - Internal behavior object code generation method of AUTOSAR software assembly - Google Patents

Abstract

The invention discloses a code generation method for an internal behavior object of an AUTOSAR software component, comprising: determining required parameters according to requirements, and designing a configuration interface; designing a code template by using template-based code generation technology; generating internal behaviors according to corresponding configuration parameters object code, and persist these parameters. Compared with the existing code generation method based on Matlab/Simulink components, the internal behavior object code generation method of the present invention has the following advantages: software does not need to rely on Matlab/Simulink components, which reduces the cost of user learning and use; internal behavior object parameter configuration The tool can be customized to meet the needs of different users; users can connect the original code with the generated code, which enhances the reusability of the code.

Description

A code generation method for internal behavioral objects of AUTOSAR software components

technical field

The invention belongs to the technical field of automotive electronic software development, in particular to a method for generating internal behavior object codes of AUTOSAR software components.

Background technique

AUTOSAR (AUTomotive Open System ARchitecture) is an automotive electronic software standard, which defines a set of automotive electronic software development methods. The automotive electronic software developed by this method has good portability and can be applied to different automotive platforms. The development using AUTOSAR includes software component modeling, system configuration, ECU extraction, ECU configuration, code generation and other processes. The function of software component modeling is to provide the function of system architecture, allowing users to quickly build a software prototype of an automotive electronic system, including modeling software components, ports, interfaces, data types, internal behaviors, and implementations. These elements form a An abstraction of a complete automotive electronics software system. MATLAB is a widely used system design tool. In the field of automotive electronics, MATLAB/Simulink tools can be used to design the internal logic algorithm of a single atomic software component and generate implementation code. Many legacy systems in the field of automotive electronics use MATLAB/Simulink designed.

The methodology stipulates that the software system development and design process is divided into two stages: the system configuration stage and the ECU configuration stage. The purpose of the system configuration stage is to model the specific requirements of the software system using the basic components of AUTOSAR, and finally map these requirements to specific ECUs. (Electronic Control Unit). When modeling the software system in the system configuration stage, it is first necessary to use the software components provided by AUTOSAR to describe the system, and then use the internal system modeling tools to realize the functions of each software component.

At present, many integrated development environments for automotive electronics development based on the AUTOSAR standard use Matlab/Simulink components to model the internal behavior of software components (Internal Behavior), that is, these tools need to rely on Matlab/Simulink tools. Because Matlab software has complex functions and many versions, it brings a lot of inconvenience to the use of these integrated development environments.

Contents of the invention

In order to remove the dependence of integrated development environment tools on Matlab/Simulink, the present invention provides a method for generating internal behavioral object codes of AUTOSAR software components, using the method to realize internal modeling of software components within the integrated development environment.

A kind of internal behavior object code generation method of AUTOSAR software component, comprises the steps:

(1) According to the functional requirements of the software components, determine the parameters required to generate the internal behavior object code, and then design the configuration interface to realize the internal behavior;

(2) Design and manually write the code template of the internal behavior component, so as to template the code of the internal behavior object;

(3) Read the object name and related parameters of the internal behavior from the configuration interface, generate the corresponding XML configuration file according to the code template, and perform persistence operation, so that the software tool can obtain these again after restarting configuration parameters;

(4) Import the corresponding function entity according to the internal behavior used by the code template, that is, select the function library to be imported or the existing .c or .h source file in the link library file interface, so that the subsequent code can be successfully compiled;

(5) According to the XML configuration file, the code template and the object name and related parameters in the configuration interface are mapped, and the corresponding software component or the project where the software component is located is selected and code is generated, and finally in the corresponding directory of the project The .c or .h source code file corresponding to the code template file name is generated below.

The name of the internal behavior object in the step (1) and the parameter names required by the internal behavior object meet the requirements of the AUTOSAR standard.

The file extension of the code template is .vm.

The code template calls the function interface specified in the RTE (Run-Time Environment) standard to read and write parameters.

The RTE is the core of the ECU architecture in the AUTOSAR system, which implements the communication interface and provides communication services between components, so all communication between components is completed under the control of the RTE.

The code template only provides the read and write operations of the port parameters of the AUTOSAR software components, and does not perform other complex operations on the port parameters.

If you want to perform other complex processing on port parameters, you can modify the generated code of the internal behavior object by yourself, or link the logic processing code from the static link library to the final generated code through the link library file interface.

In the step (3), Velocity technology is used to read the object name and related parameters of the internal behavior from the configuration interface.

The invention utilizes the template-based code generation technology to design an internal behavior object code generation template, then combines the parameters of the internal behavior object configured by users to finally automatically generate the code of the internal behavior object. Compared with prior art, the present invention has following advantage: (1) AUTOSAR development environment needn't rely on Matlab/Simulink tool to generate the code of internal behavior object; (2) when the inventive method generates the code of internal behavior object, its configuration The parameters can be customized; (3) The user can use the original logic code without completely redesigning the logic function code of the internal behavior object.

Description of drawings

Fig. 1 is a schematic flowchart of the method for generating internal behavior object codes of the present invention.

Fig. 2 is a schematic diagram of configuration parameters required by internal behavior objects in a specific embodiment of the present invention.

detailed description

In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

For solving the dependence to Matlab/Simulink tool, as shown in Figure 1, the present invention proposes a kind of internal behavior object code generation method of AUTOSAR software component, concrete steps are as follows:

(1) According to the functional requirements of the software components, determine the parameters needed to generate the internal behavior object code, and then design and realize the internal behavior configuration interface; the internal behavior object name and the required parameter name meet the requirements of the AUTOSAR standard.

(2) Design and manually write the code template file of the internal behavior component with the suffix .vm, and template the code of the internal behavior object. Among them, the code template needs to call the function interface specified in the AUTOSAR RTE standard to read and write parameters; the code template only provides the read and write operations of the Port parameters of the AUTOSAR software component, and does not perform other complex operations on the parameters. If you want to perform more complex processing on these parameters, the present invention supports modifying the code generated by the internal behavior object, or linking the logic processing code from the static link library to the final code through the Link Runnable File interface.

(3) Use Velocity technology to read the name of the internal behavior and related parameters from the configuration interface, generate the corresponding XML configuration file according to the template file in S20, and perform persistent operations so that the software tool can be restarted and these configuration parameters can be loaded again .

(4) According to the internal behavior used in the object code generated in step (2), so far it is only a function object declaration. To import a function entity, you need to select the function library to be imported or an existing one in the Link Runnable File configuration interface. The .c and .h source files for successful compilation of subsequent code.

(5) After the above steps are completed, the corresponding software component or the project where the software component is located needs to be selected for code generation, and finally the .c and .h source code files corresponding to the template file name are generated in the corresponding directory of the project.

In the following embodiments, based on the SmartSAR Studio automotive electronics integrated development environment developed by the ESE Engineering Center of Zhejiang University, the design and implementation of the internal behavioral object code generation tool is completed. SmartSAR Studio consists of four tools, namely software architecture design tool, system configuration tool, ECU configuration tool, and RTE generation tool. The internal behavior object code generation needs to be completed in the software architecture design tool, so this implementation case mainly implements the internal behavior object code generation method on the basis of the software architecture design tool. The specific implementation process is as follows:

S1: Determine the configuration parameters required by the internal behavior object. In this implementation case, the parameters that need to be configured include: Runnable Entity object, RteEvent object, and Component information referenced by internal behavior objects. According to the functional requirements of software components, determine the parameters required to generate internal behavior object codes, and configure them on the internal behavior configuration interface , as shown in Figure 2; where the name of the internal behavior object and the name of the required parameters meet the requirements of the AUTOSAR standard.

S2: Make internal behavior object code generation template files according to requirements. In this implementation case, six code template files were manually written and formulated, and analyzed using Velocity technology; the designed code templates are shown in Table 1. In this embodiment, when designing the Velocity code template, it simply obtains the port (Port) information of each software component (Component), and simply reads it in from the interface, and writes it out to the generated .c and .h source codes document.

Table 1

S3: In this implementation case, the parameters provided in the S20 code template include: name of Runnable Entity, number of Runnable Entity, name and number of PPort, name and number of RPort, data type sent by the port, etc.

After completing the above steps, you only need to trigger the configuration of the internal behavior object in the software component view. After completing the parameter configuration, save and trigger the code generation operation to complete the code generation of the internal behavior object.

The above description of the embodiments is for those of ordinary skill in the art to understand and apply the present invention. It is obvious that those skilled in the art can easily make various modifications to the above-mentioned embodiments, and apply the general principles described here to other embodiments without creative efforts. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art according to the disclosure of the present invention should fall within the protection scope of the present invention.

Claims (7)

1. the internal act object identification code of AUTOSAR component software generates a method, comprises the steps:

(1) according to the functional requirement of component software, determine the parameter generated needed for internal act object identification code, and then design realizes The configuration interface of internal act；

(2) design manually write the Code Template of internal act assembly, thus by internal act object identification code templating；

(3) from described configuration interface, object oriented and the relevant parameter of internal act are read, according to described Code Template Generate corresponding XML configuration file, and carry out persistence operation, in order to software tool can obtain these after restarting again Configuration parameter；

(4) internal act used according to Code Template imports respective function entity, i.e. selects in chained library file interface The function library imported needed in or existing .c or .h source file, in order to follow-up code successful com；

(5) make Code Template set up with the object oriented in configuration interface and relevant parameter according to described XML configuration file to reflect Penetrate relation, choose the component software of correspondence or the engineering at component software place line code of going forward side by side to generate, finally in place engineering Generate and .c or the .h source code file corresponding to described Code Template filename under corresponding catalogue.

Internal act object identification code the most according to claim 1 generates method, it is characterised in that: in described step (1) Parameter name needed for the title of internal act object and internal act object meets the requirement of AUTOSAR standard.

Internal act object identification code the most according to claim 1 generates method, it is characterised in that: the literary composition of described Code Template The entitled .vm of part suffix.

Internal act object identification code the most according to claim 1 generates method, it is characterised in that: described Code Template is adjusted By the function interface read-write parameter of regulation in RTE standard；Described RTE is the core of ECU framework in AUTOSAR system, in fact Having showed communication interface, it is provided that the communication service of inter-module, therefore all communications of inter-module all complete under RTE control.

Internal act object identification code the most according to claim 1 generates method, it is characterised in that: described Code Template is only Reading and the write operation of AUTOSAR component software port parameter are provided, port parameter is not carried out the operation of other complexity.

Internal act object identification code the most according to claim 5 generates method, it is characterised in that: to port parameter is entered Row other complexity process, then can revise voluntarily internal act object generate after code, or by chained library file interface from Logical process code chain is received in the code ultimately generated by static link library.

Internal act object identification code the most according to claim 1 generates method, it is characterised in that: in described step (3) Velocity technology is utilized to read object oriented and the relevant parameter of internal act from configuration interface.