CN105530288B

CN105530288B - Data interaction method

Info

Publication number: CN105530288B
Application number: CN201510848156.XA
Authority: CN
Inventors: 罗青松; 张仕玉; 张晓先; 王琴
Original assignee: ISOFT INFRASTRUCTURE SOFTWARE CO Ltd
Current assignee: ISOFT INFRASTRUCTURE SOFTWARE CO Ltd
Priority date: 2015-11-26
Filing date: 2015-11-26
Publication date: 2021-10-26
Anticipated expiration: 2035-11-26
Also published as: CN105530288A

Abstract

The invention relates to the technical field of automobile control, in particular to a data interaction method. The method comprises the following steps: establishing a first data model associated with the diagnostic data file according to a file structure defined by a predetermined file associated with the diagnostic data file; analyzing the selected diagnostic data file, and judging whether the analysis is successful: if the analysis fails, the diagnostic data file is modified, and then the step S100 is returned; storing the analyzed diagnostic data related to the diagnostic data file into a first data model; and mapping the diagnosis data in the first data model into a preset second data model which is related to a data configuration file in the automotive electronic unified diagnosis service. The beneficial effects of the above technical scheme are: the data interaction between the diagnostic instrument and the files in two formats in the electronic control unit can be automatically realized by analyzing the contents in the ODX data files, and the time and labor cost generated in the manual configuration process are reduced.

Description

Data interaction method

Technical Field

The invention relates to the technical field of automobile control, in particular to a data interaction method.

Background

With the increasing complexity of automobile electric control systems and network structures thereof, the software Architecture thereof is promoted to develop towards the direction of modularization, platform and standardization, and software development based on the automobile Open Architecture (Automotive Open System Architecture, AUTOSAR) standard becomes the trend of the automobile electronic embedded field. The interaction of diagnostic data in the whole life cycle process of the vehicle is caused by the fact that different data formats are used in different stages of diagnostic development due to different application scenes and development tools, and the diagnostic data interaction process is too complex. At present, automobile manufacturers solve the problem that diagnosis requirement description format conversion is carried out in a manual reconfiguration mode adopted by diagnosis data interaction, but data consistency is difficult to guarantee, meanwhile, complexity of data management is increased, and comprehensive cost is increased. And due to the complexity of the AUTOSAR modular configuration, the error rate in the configuration process is correspondingly increased.

Disclosure of Invention

Aiming at the problems, a data interaction method capable of automatically interacting data in files with different formats is provided.

The specific technical scheme is as follows:

a data interaction method is applied to a vehicle-mounted network; wherein, with a diagnostic apparatus and the electronic control unit in the said vehicle carried network between transmit the diagnostic data file, also include:

step S100, establishing a first data model related to the diagnosis data file according to a file structure defined by a preset file related to the diagnosis data file;

step S200, selecting one diagnosis data file and analyzing, and judging whether the analysis is successful:

if the analysis fails, modifying the content of the diagnostic data file, and then returning to the step S100;

step S300, storing the analyzed diagnosis data related to the diagnosis data file into the first data model;

step S400, mapping the diagnostic data in the first data model into a second data model of a preset data profile associated with the on-board network.

Preferably, in the method for data interaction, a data file with a predetermined format is used to define the file structure of the diagnostic data file;

the diagnostic data file is an ODX file;

the data file having a predetermined format is an xds file.

Preferably, in the method for data interaction, in step S100, the first data model is constructed according to the file structure by using an EMF modeling framework.

Preferably, in the above data interaction method, the step S400 specifically includes:

step S410, analyzing and obtaining a corresponding relation between the first data model and the second data model;

step S420, mapping the diagnostic data mapped into the first data model into the second data model according to the corresponding relationship.

Preferably, in the method for data interaction, the data configuration file is a configuration file conforming to AUTOSAR standard.

Preferably, in the above data interaction method, in step S410, a diagnostic configuration module is used to analyze and obtain a corresponding relationship between the diagnostic data in the first data model and data defined by the AUTOSAR standard.

Preferably, in the method for data interaction, after the step S400 is executed, the diagnostic data associated with the mapped second data model is saved in an arxml file format.

The beneficial effects of the above technical scheme are: a data interaction method can automatically realize data interaction between a diagnostic instrument and two format files in an electronic control unit by analyzing the contents in an ODX data file, thereby reducing the time and labor cost generated in the process of manual configuration, reducing the error rate in the configuration process and improving the efficiency.

Drawings

FIG. 1 is a schematic flow chart of a method for data interaction according to a preferred embodiment of the present invention;

FIG. 2 is a flow chart illustrating steps of a method for data interaction in different file formats based on FIG. 1 according to a preferred embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

The invention provides a Data interaction method in a better embodiment, which CAN reduce the time and labor cost caused by the need of configuration in the development process and avoid the condition that manual configuration is easy to make mistakes by automatically completing format conversion through a tool.

The method comprises the following specific steps:

a data interaction method is applied to a vehicle-mounted network; it is characterized in that, the communication process between the ODX file description diagnostic apparatus in the vehicle-mounted network and the electronic control unit composed of integrated circuit to realize the function control of data analysis, processing and transmission, as shown in FIG. 1, also includes:

step S100, establishing a first data model related to the diagnostic data file according to a file structure defined by a preset file related to the diagnostic data file;

step S200, analyzing the selected diagnosis data file, and judging whether the analysis is successful:

if the analysis fails, the diagnostic data file is modified, and then the step S100 is returned;

step S300, storing the analyzed diagnosis data related to the diagnosis data file into a first data model;

and S400, mapping the diagnosis data in the first data model into a preset second data model which is related to a data configuration file in the automobile electronic unified diagnosis service.

According to the technical scheme, the contents in the ODX file are automatically analyzed, and the analyzed data information is stored in a preset file according to a data format defined in the AUTOSAR standard.

In the step S100, a first data model, which is a data model of the diagnostic data file ODX, is constructed;

diagnostic data based on Extensible Markup Language (XML) adopts a file ODX standard data format, and an EMF Modeling Frame (EMF) is adopted for the ODX file to analyze a data logic relationship defined in a predetermined file, and a first data model conforming to a standard is established according to a Java code which is converted into an efficient, correct and easily customized according to the Modeling frame, wherein the first data model is used for storing the diagnostic data content in the ODX.

In the step S200, the selected ODX file is parsed;

the data format in the ODX file is defined based on the XML language, in which a large amount of data content is defined and the data format is complex, and the data in the XML file is parsed by the EMF framework.

In the step S300, the analyzed diagnostic data is saved;

and analyzing the data obtained by EMF analysis and storing the data into a defined first data model.

In the above step S400, the automatic interaction between the diagnostic data in the ODX file and the data in the AUTOSAR standard file is completed;

and analyzing the corresponding relation between the parameter information of the first data model and the data defined in the AUTOSAR standard, and storing the relevant diagnostic data defined in the ODX file into corresponding items of the AUTOSAR module.

In the preferred embodiment, a data file having a predetermined format is used to define the file structure of the diagnostic data file;

the diagnostic data file is an ODX file;

the data file having the predetermined format is an xsd file.

ODX is used as a standardized format for exchanging diagnostic data, the interchangeability of the data in the whole diagnostic development process is considered during the preparation, the data format is standardized, and the operation is convenient;

the data format in the ODX file is defined based on XML language, and the xsd file is an outline file used for describing the XML file with a specified type, so that the xsd file is used as a parameter definition file of the ODX, and the EMF modeling framework builds a first data model which meets the standard according to the data logic relation defined by the xsd file.

In a preferred embodiment, as shown in fig. 2, step S400 specifically includes:

s410, analyzing and obtaining a corresponding relation between the first data model and the second data model;

and step S420, mapping the diagnosis data mapped into the first data model into the second data model according to the corresponding relation.

Analyzing to obtain parameter meanings represented by the data objects in the first data model, obtaining an incidence relation between parameter information in the ODX data object and data defined in the AUTOSAR standard, and building a corresponding relation between the first data model and the second data model;

and mapping the diagnostic data in the first data model obtained by analysis into a second data model according to the corresponding relation by combining with a defined data structure in the AUTOSAR standard.

In a preferred embodiment, the data configuration file is a configuration file that conforms to the AUTOSAR standard.

Based on the above technical solution, further, in step S410, a diagnosis configuration module is used to analyze and obtain a corresponding relationship between the diagnosis data in the first data model and the data defined under the AUTOSAR standard.

And creating a diagnostic configuration module in the AUTOSAR standard, mapping the configured diagnostic data to corresponding items of a second data model by calling the corresponding relation between the first data model and the second data model according to the related diagnostic data defined in the ODX file.

In a preferred embodiment, after step S400 is executed, the data associated with the mapped second data model is saved in an arxml file format.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. A data interaction method is applied to a vehicle-mounted network; it is characterized in that the diagnostic data file is transmitted between the diagnostic device and the electronic control unit in the vehicle-mounted network, and the method also comprises the following steps:

defining said file structure of said diagnostic data file using a data file having a predetermined format;

the diagnostic data file is an ODX file;

the data file having a predetermined format is an xds file;

step S400, mapping the diagnosis data in the first data model into a second data model of a preset data configuration file related to the vehicle-mounted network;

the step S400 specifically includes:

2. The method of data interaction according to claim 1, wherein in step S100, the first data model is constructed from the file structure using an EMF modeling framework.

3. The method of data interaction of claim 1, wherein the data profile is a profile that conforms to AUTOSAR standards.

4. The method according to claim 3, wherein in step S410, a diagnosis configuration module is used to analyze and obtain the correspondence between the diagnosis data in the first data model and the data defined by AUTOSAR standard.

5. The method of data interaction of claim 1, wherein after performing step S400, the diagnostic data associated with the mapped second data model is saved in an arxml file format.