CN113517992A - Controller local area network configuration detection method and device and electric vehicle - Google Patents
Controller local area network configuration detection method and device and electric vehicle Download PDFInfo
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- H—ELECTRICITY
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0866—Checking the configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H04L12/40013—Details regarding a bus controller
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- H—ELECTRICITY
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- H04L43/00—Arrangements for monitoring or testing data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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Abstract
The invention provides a detection method and a detection device for controller area network configuration and an electric automobile, and relates to the technical field of electric automobiles, wherein the detection method for the controller area network configuration comprises the following steps: acquiring a configuration file and a CAN bus data file of a Controller Area Network (CAN) to be detected; analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file; acquiring a test file according to the database file; and acquiring a detection result of the CAN bus configuration according to the test file and the input file. The scheme of the invention realizes the static detection method of the CAN bus configuration based on the automobile development system architecture.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a method and a device for detecting controller area network configuration and an electric automobile.
Background
In the prior art, a C-FREE (C/C + + integrated development environment) compiler is required in a debugging process of a checking method for CAN (Controller Area Network) bus configuration, but the compiler is unstable in operation state, and a coding specification level is greatly different from a scraping engineering compiler, so that a part of codes need to be manually rewritten to adapt to C-FREE, and inconvenience is brought to an automatic detection process. Furthermore, the prior art is not suitable for the triple electric controller (VCU (Vehicle Control Unit), BMS (Battery Management System), and MCU (Motor Control Unit)) software based on the AUTomotive development System Architecture (AUTomotive Open System Architecture) software Architecture in the research and mass production of Vehicle types.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for detecting controller area network configuration and an electric automobile, so as to solve the problem of a method for detecting controller area network bus configuration in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a method for detecting a controller area network configuration, which is applied to an electric vehicle, and includes:
acquiring a configuration file and a CAN bus data file of a Controller Area Network (CAN) to be detected;
analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file;
acquiring a test file according to the database file;
and acquiring a detection result of the CAN bus configuration according to the test file and the input file.
Optionally, the configuration file includes a first engineering file and a second engineering file, where the first engineering file and the second engineering file are in an XDM format.
Optionally, the input file includes first CAN message account information, first transceiving mode information, first message cycle information, first triggering mode information, first software signal information, and first CAN bus name information.
Optionally, parsing the configuration file to obtain at least one database file includes:
obtaining a first database and a second database by analyzing the first engineering file;
obtaining a third database by analyzing the second project file;
the first database comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information and second software signal information;
the second database comprises second CAN message account information and first configuration message object information;
the third database includes first configuration message object information and second CAN bus name information.
Optionally, obtaining a test file according to the database file includes:
integrating the first database and the second database according to the second CAN message account information to obtain a first subfile;
integrating the second database and the third database according to the first configuration message object information to obtain a second subfile;
and acquiring the test file according to the first subfile and the second subfile, wherein the test file comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information.
Optionally, obtaining a detection result of the CAN bus configuration according to the test file and the input file, including:
and if the second CAN message account information, the second transceiving mode information, the second bus name information, the second message cycle information, the second triggering mode information and the second software signal information in the test file correspond to the first CAN message account information, the first transceiving mode information, the first message cycle information, the first triggering mode information, the first software signal information and the first CAN bus name information in the input file respectively, determining that the CAN bus configuration is correct.
Optionally, the method for detecting a configuration of a controller area network further includes:
when the detection results are inconsistent, determining that the CAN bus configuration is wrong, and updating the CAN bus configuration file according to the CAN bus data file;
and when the detection results are consistent, ending the detection.
The embodiment of the invention provides a detection device for controller local area network configuration, which is applied to an electric automobile and comprises the following components:
the acquisition module is used for acquiring a configuration file of a Controller Area Network (CAN) to be detected and a CAN bus data file;
the analysis module is used for analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file;
the integration module is used for acquiring a test file according to the database file;
and the detection module is used for acquiring the detection result of the CAN bus configuration according to the test file and the input file.
Optionally, the apparatus for detecting configuration of a controller area network further includes:
the updating module is used for determining the CAN bus configuration error when the detection results are inconsistent, and updating the CAN bus configuration file according to the CAN bus data file;
and the ending module is used for ending the detection when the detection results are consistent.
The embodiment of the invention also provides an electric automobile which comprises the detection device for the controller area network configuration.
The technical scheme of the invention at least has the following beneficial effects:
in the foregoing solution, the method for detecting a controller area network configuration includes: acquiring a configuration file and a CAN bus data file of a Controller Area Network (CAN) to be detected; analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file; acquiring a test file according to the database file; and acquiring a detection result of the CAN bus configuration according to the test file and the input file. The scheme of the invention is based on an automobile development system architecture, and a static detection method of CAN bus configuration is realized by applying a database technology.
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FIG. 1 is a flowchart illustrating a method for detecting a configuration of a controller area network according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a method for detecting a configuration of a controller area network according to an embodiment of the present invention;
fig. 3 is an operation interface diagram of a detection method for a controller lan configuration according to an embodiment of the present invention;
fig. 4 is a schematic diagram of parsing a configuration file in a method for detecting a configuration of a controller area network according to an embodiment of the present invention;
fig. 5 is an information diagram of an input file of a method for detecting a configuration of a controller area network according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a detection apparatus for a controller area network configuration according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a method and a device for detecting controller Local Area Network (LAN) configuration and an electric vehicle, aiming at the problem of detecting the LAN bus configuration in the prior art.
As shown in fig. 1 to fig. 2, an embodiment of the present invention provides a method for detecting a configuration of a controller area network, which is applied to an electric vehicle, and includes:
step S11, acquiring a configuration file and a CAN bus data file of a controller area network CAN to be detected;
step S12, analyzing the configuration file and the CAN bus data file, and respectively acquiring at least one database file and an input file;
step S13, obtaining a test file according to the database file;
and step S14, obtaining the detection result of the CAN bus configuration according to the test file and the input file.
In the embodiment of the invention, the CAN network test based on AUTOSAR (automotive development system architecture) software architecture mainly comprises CAN network message period, transceiving processing, software signal and DBC (data file generated by Can bus) interface connection and the like, and because of the AUTOSAR software architecture and the operation mode of a development tool chain thereof, the accuracy of CAN message analysis and packaging does not need to be checked, and the accuracy is high, thereby ensuring the software quality of VCU, BMS and MCU, and simultaneously improving the subsequent test efficiency.
In an optional embodiment of the present invention, the configuration file includes a first engineering file and a second engineering file, where the first engineering file and the second engineering file are in an XDM format.
In this embodiment of the present invention, in the AUTOSAR software architecture, the format of the two engineering documents included in the configuration file is preferably XDM format.
It should be noted that, as shown in fig. 3, in order to implement the operation interface of the detection method for the controller area network configuration, the name of the operation interface is the CAN configuration detection based on the AUTOSAR architecture, and the operation interface includes three tags, which are a first project file, a second project file, and an input file. Wherein the tag name of the first project file is com.xdm, the tag name of the second project file is carif.xdm, and the tag name of the input file is DBC; the system also comprises three input boxes corresponding to the three labels, three import file browsing address boxes and a control button for executing detection, wherein the name of the control button is CHECK.
Specifically, the input file includes first CAN message account information, first transceiving mode information, first message cycle information, first triggering mode information, first software signal information, and first CAN bus name information.
In an optional embodiment of the present invention, in step S12, parsing the configuration file to obtain at least one database file includes:
obtaining a first database and a second database by analyzing the first engineering file;
obtaining a third database by analyzing the second project file;
the first database comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information and second software signal information;
the second database comprises second CAN message account information and first configuration message object information;
the third database includes first configuration message object information and second CAN bus name information.
In this embodiment of the present invention, the name of the first project file is com.xdm, and the name of the second project file is carif.xdm. Xdm, and third database, wherein the first database is named as DB1-CanID _ Mesg, the second database is named as DB2-CanID _ Sig, and the third database is named as DB3-OBJ _ BUS. DB1-CanID _ Mesg, DB2-CanID _ Sig and DB3-OBJ _ BUS are combed according to coding rules.
In an optional embodiment of the present invention, in step S13, obtaining the test file according to the database file includes:
integrating the first database and the second database according to the second CAN message account information to obtain a first subfile;
integrating the second database and the third database according to the first configuration message object information to obtain a second subfile;
and acquiring the configuration test file according to the first subfile and the second subfile, wherein the test file comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information.
In this embodiment of the present invention, as shown in fig. 4, the name of the first database is DB1-CanID _ Mesg, the name of the second database is DB2-CanID _ Sig, and the name of the third database is DB3-OBJ _ BUS. And connecting and integrating different key information distributed in DB1-CanID _ Mesg and DB2-CanID _ Sig into a data collection, namely a first subfile, which CAN be input into a DBC document for comparison by a project by taking the 'CAN _ ID' corresponding to the second CAN message account information as a code key. And connecting and integrating different key information distributed in DB2-CanID _ Sig and DB3-OBJ _ BUS into a data collection which can be compared by project input DBC documents, namely a second subfile according to the 'OBJ' corresponding to the first configuration message object information as a code key. And then, connecting the first subfile and the second subfile to obtain the test file. The test file is the configuration test item file of the CAN to be detected.
It should be noted that, firstly, the following data self-check is performed on the acquired test file:
(1) performing range check on the first configuration message object information (corresponding OBJ) in the test file, where the self-test range of the first configuration message object information (corresponding OBJ) is different for different chips, for example: if a TC1782 chip is used, the first configuration message object information range (corresponding to OBJ) is from 0 to 127; if the TC234 chip is used, the first configuration message object information range (corresponding to OBJ) is from 0 to 255;
(2) there is only one message processing mode corresponding to each piece of second CAN message account information (corresponding to CAN _ ID) in the test file, that is, only one message CAN be contained in the second message cycle information (corresponding to CycleTime) and the second Trigger mode information (corresponding to Trigger), where the second message cycle information (corresponding to CycleTime) indicates that the message belongs to processing according to a cycle scheduling mode and indicates a sending or receiving cycle of the message, and the second Trigger mode information (corresponding to Trigger) indicates that the message belongs to receiving or sending of a Trigger class;
(3) only one second CAN message account information (corresponding CAN _ ID) on each path of second CAN BUS name information (corresponding BUS) in the test file is available;
(4) the second software signal information (corresponding to Signals) in the test file cannot be null, otherwise, the second software signal information indicates that no transmitting and receiving signal exists on the CAN message account, and the CAN message account does not conform to the actual situation.
It should be further noted that the CAN BUS data file is analyzed to obtain the input file, as shown in fig. 5, the name of the input file is DB4-CAN _ DBC, and the file information included in the input file is first CAN packet account information (corresponding to CAN _ ID), first transceiving mode information (corresponding to SendType), first packet cycle information (corresponding to CycleTime), first triggering mode information (corresponding to Trigger), first software signal information (corresponding to Signals), and first BUS name information (corresponding to BUS).
In an optional embodiment of the present invention, in step S14, obtaining a detection result of the CAN bus configuration according to the test file and the input file, includes:
and if second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information in the test file correspond to the first CAN message account information, the first transceiving mode information, the first message cycle information, the first triggering mode information, the first software signal information and the first CAN bus name information in the input file respectively, determining that the CAN bus configuration is correct.
In this embodiment of the present invention, the "CAN _ ID" is used as a code key to compare the second CAN message account information, the second transceiving mode information, the second message cycle information, the second trigger mode information, the second software signal information, and the second bus name information in the test file with the first CAN message account information, the first transceiving mode information, the first message cycle information, the first trigger mode information, the first software signal information, and the first CAN bus name information in the input file, in sequence, so as to obtain the detection result. And when the detection result is determined to be corresponding and consistent, the CAN bus is correctly configured.
As shown in fig. 2, in an optional embodiment of the present invention, the method for detecting a configuration of a controller area network further includes:
when the detection results are inconsistent, determining that the CAN bus configuration is wrong, and updating the CAN bus configuration file according to the CAN bus data file;
and when the detection results are consistent, ending the detection.
In this embodiment of the present invention, when the detection results are inconsistent, it is determined that the CAN bus configuration is incorrect, and at this time, the CAN bus configuration file needs to be updated according to the CAN bus data file, and detection is performed again; and when the detection results are inconsistent, ending the detection process of the CAN configuration.
As shown in fig. 6, an embodiment of the present invention provides a device for detecting a configuration of a controller area network, which is applied to an electric vehicle, and includes:
the acquisition module 61 is used for acquiring a configuration file of a Controller Area Network (CAN) to be detected and a CAN bus data file;
the analysis module 62 is configured to analyze the configuration file and the CAN bus data file to obtain at least one database file and an input file, respectively;
an integration module 63, configured to obtain a test file according to the database file;
and the detection module 64 is used for acquiring a detection result of the CAN bus configuration according to the test file and the input file.
In this embodiment of the present invention, the configuration file includes a first engineering file and a second engineering file, where the first engineering file and the second engineering file are in an XDM format.
Specifically, the input file includes first CAN message account information, first transceiving mode information, first message cycle information, first triggering mode information, first software signal information, and first CAN bus name information.
The parsing module 62 is specifically configured to:
obtaining a first database and a second database by analyzing the first engineering file;
obtaining a third database by analyzing the second project file;
the first database comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information and second software signal information;
the second database comprises second CAN message account information and first configuration message object information;
the third database includes first configuration message object information and second CAN bus name information.
The integration module 63 is specifically configured to:
integrating the first database and the second database according to the second CAN message account information to obtain a first subfile;
integrating the second database and the third database according to the first configuration message object information to obtain a second subfile;
and acquiring the test file according to the first subfile and the second subfile, wherein the test file comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information.
The detection module 64 is specifically configured to:
and if second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information in the test file correspond to the first CAN message account information, the first transceiving mode information, the first message cycle information, the first triggering mode information, the first software signal information and the first CAN bus name information in the input file respectively, determining that the CAN bus configuration is correct.
The device for detecting the configuration of the controller area network further comprises:
the updating module is used for determining the CAN bus configuration error when the configuration detection results are inconsistent, and updating the CAN bus configuration file according to the CAN bus data file;
and the ending module is used for ending the detection when the configuration detection results are consistent.
In this embodiment of the present invention, the detection apparatus for controller lan configuration has the following beneficial effects:
(1) due to the stability of the development tool chain, the detection device configured by the controller area network does not need to check the accuracy of CAN message analysis and packaging;
(2) the detection device configured in the controller area network can perform code static detection aiming at software of an AUTOSAR framework;
(3) the detection device configured by the controller local area network does not depend on other compilers any more, and does not need to impose requirements on code specifications.
The embodiment of the invention also provides an electric automobile which comprises the detection device of the controller area network configuration.
In this embodiment of the present invention, the electric vehicle using the detection apparatus configured by the controller area network as described above has a static detection method of the CAN bus configuration based on AUTOSAR architecture software and a detection method of the CAN bus configuration using a database technology. Also, the controller and software method in the electric vehicle may not be distinguished to implement the bus configuration detection method.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A detection method of controller area network configuration is applied to an electric automobile, and is characterized by comprising the following steps:
acquiring a configuration file and a CAN bus data file of a Controller Area Network (CAN) to be detected;
analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file;
acquiring a test file according to the database file;
and acquiring a detection result of the CAN bus configuration according to the test file and the input file.
2. The method of claim 1, wherein the configuration file comprises a first engineering file and a second engineering file, wherein the first engineering file and the second engineering file are in XDM format.
3. The method according to claim 1, wherein the input file includes first CAN packet account information, first transceiving mode information, first packet cycle information, first triggering mode information, first software signal information, and first CAN bus name information.
4. The method as claimed in claim 2, wherein parsing the configuration file to obtain at least one database file comprises:
obtaining a first database and a second database by analyzing the first engineering file;
obtaining a third database by analyzing the second project file;
the first database comprises second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information and second software signal information;
the second database comprises second CAN message account information and first configuration message object information;
the third database includes first configuration message object information and second CAN bus name information.
5. The method of claim 4, wherein obtaining a test file from the database file comprises:
integrating the first database and the second database according to the second CAN message account information to obtain a first subfile;
integrating the second database and the third database according to the first configuration message object information to obtain a second subfile;
and acquiring the test file according to the first subfile and the second subfile, wherein the test file comprises the test file.
6. The method of claim 2, wherein obtaining the detection result of the CAN bus configuration according to the test file and the input file comprises:
and if second CAN message account information, second transceiving mode information, second message cycle information, second triggering mode information, second software signal information and second CAN bus name information in the test file correspond to the first CAN message account information, the first transceiving mode information, the first message cycle information, the first triggering mode information, the first software signal information and the first CAN bus name information in the input file respectively, determining that the CAN bus configuration is correct.
7. The method of claim 1, further comprising:
when the configuration detection results are inconsistent, determining that the CAN bus is configured wrongly, and updating the CAN bus configuration file according to the CAN bus data file;
and when the configuration detection results are consistent, ending the detection.
8. A detection device for controller area network configuration is applied to an electric automobile, and is characterized by comprising:
the acquisition module is used for acquiring a configuration file of a Controller Area Network (CAN) to be detected and a CAN bus data file;
the analysis module is used for analyzing the configuration file and the CAN bus data file to respectively obtain at least one database file and an input file;
the integration module is used for acquiring a test file according to the database file;
and the detection module is used for acquiring the detection result of the CAN bus configuration according to the test file and the input file.
9. The apparatus of claim 8, further comprising:
the updating module is used for determining the CAN bus configuration error when the detection results are inconsistent, and updating the CAN bus configuration file according to the CAN bus data file;
and the ending module is used for ending the detection when the detection results are consistent.
10. An electric vehicle comprising a controller area network configured detection apparatus according to any one of claims 8 to 9.
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