CN115412473B - Method and terminal for detecting data consistency of intelligent internet-connected broadcast signals of vehicles in real time - Google Patents
Method and terminal for detecting data consistency of intelligent internet-connected broadcast signals of vehicles in real time Download PDFInfo
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Abstract
The application discloses a method and a terminal for detecting consistency of intelligent network broadcast signal data in real time of a vehicle, and relates to the technical field of application of intelligent management and control systems. The method comprises the steps of obtaining protocol standards and data structure definitions, and determining corresponding test cases; generating corresponding test case data according to the data structure definition and the validity of the data field; the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal; testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test; and sending the verification result to the HMI display module through a network. The vehicle-mounted mobile test terminal with the configurable test items is real-time, real-time performance of data consistency test is achieved, and test efficiency and convenience are improved.
Description
Technical Field
The application relates to the technical field of intelligent management and control system application, in particular to a method and a terminal for detecting consistency of intelligent internet-connected broadcast signal data in real time by a vehicle.
Background
Currently, with the rapid development of the automobile industry towards the 'four' direction of dynamoelization, intellectualization, networking and sharing, the C-V2X technical route supports a global perception capability more powerful than that of single car intelligence, and the vehicle-mounted terminal with intelligent networking interaction capability also gradually becomes a standard component of a vehicle. In the development process of the intelligent network vehicle-mounted terminal, data consistency is the basis for subsequent development, and interconnection and intercommunication among modules, terminals and whole vehicles, collaborative scene development and the like can be realized only if the consistency requirement is met.
Common protocol consistency tests are performed in laboratories based on large network test instruments and signal generation terminals, but if the consistency tests in the development process are also performed by the same method, obvious efficiency problems exist. In addition, the intelligent network link side equipment for partial outdoor scenes is lack of convenience in the construction and acceptance process.
Therefore, it is desirable to provide a method and a terminal for detecting the consistency of intelligent network broadcast signal data in real time by a vehicle, wherein all existing test cases are loaded through a test terminal, and a user selects a protocol standard and the test case for testing to complete test configuration work; after the test program is started, the terminal can perform consistency test on each frame of data and output a test result based on the test case; the real-time performance of the data consistency test is realized, and the test efficiency and convenience are improved.
Disclosure of Invention
According to a first aspect of some embodiments of the present application, there is provided a method for real-time detection of intelligent internet-connected broadcast signal data consistency by a vehicle, applied to a terminal (e.g., an internet-connected vehicle, etc.), the method may include S1: acquiring protocol standards and data structure definitions, and determining corresponding test cases; s2: generating corresponding test case data according to the data structure definition and the validity of the data field; s3: the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal; s4: testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test; s5: and sending the verification result to the HMI display module through a network.
In some embodiments, after each single test case is completed, user instructions are obtained through the HMI display module; and outputting the execution condition information of all the current test cases through the HMI display module.
In some embodiments, the protocol standard specifically includes: CSAE53-2017, YD/T3709-2020, CSAE 157-2020.
In some embodiments, the test case data specifically includes JSON format supported by a test instrument, for determining protocol consistency transceiver test results.
In some embodiments, the testing of the encoding and decoding directions utilizes the input/output data of the protocol stack entity as a known term for checking the correctness of the encoding/decoding operations of the protocol.
In some embodiments, the DUT coding test specifically includes configuring a protocol type and a test case of the test, providing test case data by a test instrument, and using the test case data to construct a corresponding serialized message body by DUT coding, coding the message body into an original data code stream of asn.1, and broadcasting the original data code stream by a PC5 channel; the test terminal obtains the original data code stream through a PC5 channel, decodes the original code stream and converts the original code stream into a corresponding serialized message body; and the protocol stack entity performs coding consistency verification according to different test cases and sends a verification result to the HMI display module.
In some embodiments, the DUT decoding test specifically includes configuring a protocol type and a test case of the test, constructing an asn.1 original data code stream based on test case data by a test instrument, and broadcasting the asn.1 original data code stream by a protocol stack entity; the DUT decodes the ASN.1 original data code stream, converts the ASN.1 original data code stream into a corresponding serialized message body and sends the message body to a test terminal; and the test terminal compares the return result of the check DUT with the original value data corresponding to the test case to perform decoding consistency check.
According to a second aspect of some embodiments of the present application, there is provided a protocol conformance test terminal, the terminal comprising a test system for a transmission test of a terminal under test and a reception test of the terminal under test; the test data generation and verification module is used for testing the consistency of the data transmitted by the tested system on the PC5 channel; the test data receiving and transmitting module is configured to test the function of receiving and transmitting data based on a PC5 channel of C-V2X; a memory configured to store data and instructions; a processor in communication with a memory, wherein, when executing instructions in the memory, the processor is configured to: s1: acquiring protocol standards and data structure definitions, and determining corresponding test cases; s2: generating corresponding test case data according to the data structure definition and the validity of the data field; s3: the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal; s4: testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test; s5: and sending the verification result to the HMI display module through a network.
In some embodiments, the transmission test of the tested terminal specifically includes that the tested terminal transmits data outwards in a PC5 channel; the protocol stack entity of the test system sends the original code stream data of the message layer to the test data generation and verification module through the LAN network; the test data generation and verification module receives the original code stream data of the V2X message layer, analyzes the data based on the configured protocol type, and performs data consistency test according to the test case.
In some embodiments, the receiving test of the tested terminal specifically includes generating a test data set by a test data generating and checking module, and sending the test data set to a protocol stack entity; the protocol stack entity sends the test data set to the tested terminal through a PC5 channel; and the tested terminal analyzes the test data set according to the data format, compares the analysis result with the test data set, and performs data consistency verification.
Therefore, according to the method and the terminal for detecting the data consistency of the intelligent network broadcast signals in real time by the vehicle, all existing test cases are loaded through the test terminal, and a user selects a protocol standard and the test case to be tested to complete test configuration work; after the test program is started, the terminal can perform consistency test on each frame of data and output a test result based on the test case; the real-time performance of the data consistency test is realized, and the test efficiency and convenience are improved.
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For a better understanding and to set forth of some embodiments of the present application, reference will now be made to the description of embodiments taken in conjunction with the accompanying drawings in which like reference numerals identify corresponding parts throughout.
FIG. 1 is an exemplary schematic diagram of a protocol conformance test system provided in accordance with some embodiments of the present application.
Fig. 2 is an exemplary flow chart of a method for vehicle real-time detection of intelligent internet-connected broadcast signal data consistency, provided in accordance with some embodiments of the present application.
Fig. 3 is an exemplary schematic diagram of a terminal under test transmitting data test provided according to some embodiments of the present application.
Fig. 4 is an exemplary schematic diagram of a terminal under test receiving data testing provided in accordance with some embodiments of the present application.
Detailed Description
The following description with reference to the accompanying drawings is provided to facilitate a comprehensive understanding of the various embodiments of the present application defined by the claims and their equivalents. These embodiments include various specific details for ease of understanding, but these are to be considered exemplary only. Accordingly, those skilled in the art will appreciate that various changes and modifications may be made to the various embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions will be omitted herein for brevity and clarity of description.
The terms and phrases used in the following specification and claims are not limited to a literal sense, but rather are only used for the purpose of clarity and consistency in understanding the present application. Thus, it will be appreciated by those skilled in the art that the descriptions of the various embodiments of the present application are provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which embodiments of the present application are shown, it being apparent that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It is noted that the terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in this application refers to and encompasses any or all possible combinations of one or more of the associated listed items. The expressions "first", "second", "said first" and "said second" are used for modifying the respective elements irrespective of order or importance, and are used merely for distinguishing one element from another element without limiting the respective elements.
Terminals according to some embodiments of the present application may be intelligent terminals, platforms, equipment, and/or electronic devices, etc.; the intelligent terminal may include a positioning device or the like. The platform may include a cloud platform or the like, which may include a system platform composed of one or more electronic devices; the equipment may include intelligent networked vehicles (Intelligent Connected Vehicle, ICV); the electronic device may include one or a combination of several of a personal computer (PC, such as tablet, desktop, notebook, netbook, palmtop PDA), client device, virtual reality device (VR), augmented reality device (AR), mixed reality device (MR), XR device, renderer, smart phone, mobile phone, e-book reader, portable Multimedia Player (PMP), audio/video player (MP 3/MP 4), camera and wearable device, etc. According to some embodiments of the present application, the wearable device may include an accessory type (e.g., a watch, a ring, a bracelet, glasses, or a Head Mounted Device (HMD)), an integrated type (e.g., an electronic garment), a decorative type (e.g., a skin pad, a tattoo, or an in-built electronic device), etc., or a combination of several. In some embodiments of the present application, the electronic device may be flexible, not limited to the devices described above, or may be a combination of one or more of the various devices described above. In this application, the term "user" may indicate a person using an electronic device or a device using an electronic device (e.g., an artificial intelligence electronic device).
The embodiment of the application provides a method and a terminal for detecting the consistency of intelligent network broadcast signal data in real time. In order to facilitate understanding of the embodiments of the present application, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
FIG. 1 is an exemplary schematic diagram of a protocol conformance test system provided in accordance with some embodiments of the present application. As illustrated in fig. 1, the protocol conformance test system 100 may comprise a network 110, an information terminal 120, a user terminal 130, a server 140, and the like. Specifically, the information terminal 120 and the user terminal 130 establish communication through a network, for example, the information terminal 120 and the user terminal 130 may communicate in the same local area network (e.g., a network environment of the same router, etc.). Further, the information terminal 120 may be connected to the network 110 by a wired (e.g., a network cable, etc.) or a wireless (e.g., a cloud server, etc.), and the user terminal 130 may establish a communication connection with the network 110 by a wired or wireless (e.g., WIFI, etc.) or the like. In some embodiments, the client 130 may send data such as protocol standards and test cases selected by the user to the information terminal 120 and the server 140. Further, the information terminal 120 and the server 140 may feed back information such as the protocol conformance test check result to the user terminal 130. As an example, the server 140 and/or the information end 120 may collect road traffic data or the like in real-time based on the road side awareness devices. The Road Side Unit (RSU) may sense road environment information, obstacle information, etc. through sensors, which may include, but are not limited to, cameras, lidar, millimeter wave radar, etc.
According to some embodiments of the present application, the information terminal 120 and the user terminal 130 may be the same or different terminal devices. The terminal device may include, but is not limited to, an intelligent terminal, a cloud platform, a mobile terminal, a computer, and the like. In a protocol conformance test scenario, the information terminal 120 may include a road side device, etc., and the user terminal 130 may include an internet-connected vehicle, etc. In some embodiments, the information terminal 120 and the user terminal 130 may be integrated in one device, e.g., a sensor-integrated networked vehicle, etc. In some embodiments, server 140 is one of the computers, with the advantages of faster operation, higher load, etc., than a conventional computer, and the corresponding price is higher. In a network environment, a server may provide computing or application services for other clients (e.g., terminals such as PCs, smartphones, ATMs, and the like, as well as large devices such as transportation systems). The server has high-speed CPU operation capability, long-time reliable operation, strong I/O external data throughput capability and better expansibility. Services that the server may provide include, but are not limited to, assuming the ability to respond to service requests, assuming services, securing services, and the like. The server has an extremely complex internal structure including an internal structure similar to a general computer, etc., as an electronic device, and the internal structure of the server may include a central processing unit (Central Processing Unit, CPU), a hard disk, a memory, a system bus, etc., as an example.
In some embodiments of the present application, the protocol conformance test system 100 may omit one or more elements, or may further comprise one or more other elements. As an example, the protocol conformance test system 100 may comprise a plurality of clients 130, such as a plurality of networked vehicles, and the like. For another example, the protocol conformance test system 100 can comprise one or more information terminals 120. As another example, the protocol conformance test system 100 may comprise a plurality of servers 140, and the like. In some embodiments, protocol conformance test system 100 may include, but is not limited to, a protocol conformance test system. The network 110 may be any type of communication network that may include a computer network (e.g., a local area network (LAN, local Area Network) or wide area network (WAN, wide Area Network)), the internet, and/or a telephone network, among others, or a combination of several. In some embodiments, network 110 may be other types of wireless communication networks. The wireless communication may include microwave communication and/or satellite communication, etc. The wireless communication may include cellular communication, such as global system for mobile communications (GSM, global System for Mobile Communications), code division multiple access (CDMA, code Division Multiple Access), third generation mobile communications (3G,The 3rd Generation Telecommunication), fourth generation mobile communications (4G), fifth generation mobile communications (5G), sixth generation mobile communications (6G), long term evolution technology (LTE, long Term Evolution), long term evolution technology upgrades (LTE-a, LTE-Advanced), wideband code division multiple access (WCDMA, wideband Code Division Multiple Access), universal mobile telecommunications system (UMTS, universal Mobile Telecommunications System), wireless broadband (WiBro, wireless Broadband), and the like, or a combination of several. In some embodiments, the user terminal 130 may be other devices and/or electronic devices with equivalent functional modules, which may include one or a combination of several of virtual reality devices (VR), renderers, personal computers (PCs, such as tablet computers, desktop computers, notebooks, netbooks, palmtop PDAs), smartphones, mobile phones, e-book readers, portable Multimedia Players (PMPs), audio/video players (MP 3/MP 4), cameras, wearable devices, and the like.
In some embodiments, the WIFI may be other types of wireless communication technologies. According to some embodiments of the present application, the wireless communication may include wireless local area network (WiFi, wireless Fidelity), bluetooth low energy (BLE, bluetooth Low Energy), zigBee, near field communication (NFC, near Field Communication), magnetic security transmission, radio frequency and body area network (BAN, body Area Network), etc., or a combination of several. According to some embodiments of the present application, the wired communication may include a global navigation satellite system (Glonass/GNSS, global Navigation Satellite System), a global positioning system (GPS, global Position System), a beidou navigation satellite system or galileo (european global satellite navigation system), or the like. The wired communication may include universal serial bus (USB, universal Serial Bus), high-definition multimedia interface (HDMI, high-Definition Multimedia Interface), recommended standard 232 (RS-232,Recommend Standard 232), plain old telephone service (POTS, plain Old Telephone Service), etc., or a combination of several.
It should be noted that the above description of the protocol conformance test system 100 is for convenience only and is not intended to limit the application to the scope of the illustrated embodiments. It will be understood by those skilled in the art that various changes in form and details may be made to the application areas of implementing the above-described methods and systems based on the principles of the present system without departing from such principles, and any combination of individual elements or connection of constituent subsystems with other elements may be possible. For example, the server 140 and/or the information terminal 120 may collect road traffic data and the like in real time through road side sensing devices and the like. For another example, the information terminal 120/user terminal 130 may be integrated in a networked vehicle, etc. Such variations are within the scope of the present application.
Fig. 2 is an exemplary flow chart of a method for vehicle real-time detection of intelligent internet-connected broadcast signal data consistency, provided in accordance with some embodiments of the present application. As depicted in fig. 2, flow 200 may be implemented by protocol conformance test system 100. In some embodiments, the method 200 for vehicle real-time detection of intelligent internet protocol broadcast signal data consistency may be initiated automatically or by instruction. The instructions may include system instructions, device instructions, user instructions, action instructions, etc., or a combination of the several.
At 201, S1: and acquiring protocol standards and data structure definitions, and determining corresponding test cases. Operation 201 may be implemented by the client 130, the server 140 of the protocol conformance test system 100. In some embodiments, the user side 130 may send user-selected protocol standards, data structure definitions, and the like. In some embodiments, the server 140/client 130 may determine the corresponding test case, etc.
By way of example, the protocol standards may include, but are not limited to, C-V2X related network layer protocols such as CSAE53-2017, YD/T3709-2020, CSAE 157-2020, and the like.
At 202, S2: and generating corresponding test case data according to the data structure definition and the validity of the data field. Operation 202 may be implemented by the information end 120, the server 140 of the protocol conformance test system 100. In some embodiments, the information terminal 120 and the server 140 may generate corresponding test case data according to the data structure definition and the validity of the data field. As an example, the test case data may include JSON format supported by a test instrument for determining protocol conformance transceiving test results.
At 203, S3: the protocol type of the test and the test case of the single test are configured through the test terminal. Operation 203 may be implemented by the server 140 of the protocol conformance test system 100. In some embodiments, the server 140 may configure the protocol type of the test and the test cases of the single test through the test terminal.
At 204, S4: testing of the encoding direction and decoding direction, including DUT encoding testing and DUT decoding testing, are performed separately. Operation 204 may be implemented by server 140 of protocol conformance test system 100. In some embodiments, server 140 may perform testing in the encoding direction and decoding direction, respectively, including DUT encoding testing and DUT decoding testing. As an example, the testing of the encoding direction and decoding direction uses the input/output data of the protocol stack entity as a known term for checking the correctness of the encoding/decoding operation of the protocol.
According to some embodiments of the present application, the DUT coding test may include configuring a protocol type and a test case of the test, providing test case data by a test instrument, for DUT coding a corresponding serialized message body, encoding the message body as an original data code stream of asn.1, and broadcasting the message body through a PC5 channel; the test terminal obtains the original data code stream through a PC5 channel, decodes the original code stream and converts the original code stream into a corresponding serialized message body; the protocol stack entity can carry out coding consistency verification according to different test cases and send a verification result to the HMI display module.
According to some embodiments of the present application, the DUT decoding test may include configuring a protocol type and a test case of the test, constructing, by a test instrument, an asn.1 raw data code stream based on test case data, and broadcasting, by a protocol stack entity, the asn.1 raw data code stream; the DUT decodes the ASN.1 original data code stream, converts the ASN.1 original data code stream into a corresponding serialized message body and sends the message body to a test terminal; and the test terminal compares the return result of the check DUT with the original value data corresponding to the test case to perform decoding consistency check.
At 205, S5: and sending the verification result to the HMI display module through a network. Operation 205 may be implemented by the information end 120, the server 140 of the protocol conformance test system 100. In some embodiments, the kiosk 120/server 140 may send the verification results to the HMI display module via a network.
According to some embodiments of the present application, the process 200 may further include obtaining, by the HMI display module, a user instruction after completing each test case for a single test; and outputting the execution condition information of all the current test cases through the HMI display module.
According to some embodiments of the present application, the protocol conformance test check result may be displayed in a User Interface (UI) of the user terminal 130, and the display scenario of the protocol conformance test check result may include, but is not limited to, any form or combination of forms of scenario display through VR, AR, MR, XR. As an example, the networked vehicle user may obtain a protocol conformance test check result based on VR, AR, MR, XR in any form or combination, and so forth.
It should be noted that the description of the process 200 above is for convenience of description only, and is not intended to limit the application to the scope of the illustrated embodiments. It will be understood by those skilled in the art that various modifications and changes in form and detail of the functions implementing the above-described processes and operations may be made based on the principles of the present system by any combination of the individual operations or by constituting sub-processes in combination with other operations without departing from such principles. For example, the process 200 may further include obtaining user instructions through the HMI display module after completing each single test case. For another example, the process 200 may further include outputting, through the HMI display module, execution status information of all current test cases, and the like. Such variations are within the scope of the present application.
According to some embodiments of the present application, there is provided a protocol conformance test terminal, which includes a test system for a transmission test of a terminal under test and a reception test of the terminal under test; the test data generation and verification module is used for testing the consistency of the data transmitted by the tested system on the PC5 channel; the test data transceiver module is configured to test the function of PC5 channel transceiver of data based on C-V2X; a memory configured to store data and instructions; a processor in communication with a memory, wherein, when executing instructions in the memory, the processor is configured to: s1: acquiring protocol standards and data structure definitions, and determining corresponding test cases; s2: generating corresponding test case data according to the data structure definition and the validity of the data field; s3: the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal; s4: testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test; s5: and sending the verification result to the HMI display module through a network.
Fig. 3 is an exemplary schematic diagram of a terminal under test transmitting data test provided according to some embodiments of the present application. According to some embodiments of the present application, the transmission test of the tested terminal may include that the tested terminal transmits data outwards in the PC5 channel; the protocol stack entity of the test system sends the original code stream data of the message layer to the test data generation and verification module through the LAN network; the test data generation and verification module receives the original code stream data of the V2X message layer, analyzes the data based on the configured protocol type, and performs data consistency test according to the test case.
Fig. 4 is an exemplary schematic diagram of a terminal under test receiving data testing provided in accordance with some embodiments of the present application. According to some embodiments of the present application, the receiving test of the tested terminal may include generating a test data set by a test data generating and checking module, and sending the test data set to a protocol stack entity; the protocol stack entity sends the test data set to the tested terminal through a PC5 channel; and the tested terminal analyzes the test data set according to the data format, compares the analysis result with the test data set, and performs data consistency verification.
In some embodiments, the wireless communication between the modules of the test system of the present application may include V2X end-to-end short range wireless direct communication based on a PC5 interface, which may be different from the wireless communication modes such as 4G-based long range wireless communication (including 4G module, 4G SIM card, and 4G antenna) in the prior art.
In summary, according to the method and the terminal for detecting the data consistency of the intelligent internet-connected broadcast signals in real time, all existing test cases are loaded through the test terminal, and the user selects the protocol standard and the test case to be tested to complete the test configuration work; after the test program is started, the terminal can perform consistency test on each frame of data and output a test result based on the test case; the real-time performance of the data consistency test is realized, and the test efficiency and convenience are improved.
It should be noted that the above-described embodiments are merely examples, and the present application is not limited to such examples, but various changes may be made.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it is also to be noted that the above-described series of processes includes not only processes performed in time series in the order described herein, but also processes performed in parallel or separately, not in time series.
Those skilled in the art will appreciate that all or part of the processes in the methods of the embodiments described above may be implemented by hardware associated with computer program instructions, where the program may be stored on a computer readable storage medium, where the program, when executed, may include processes in embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
The foregoing disclosure is only illustrative of some of the preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for accomplishing the foregoing embodiments may be practiced with equivalent changes which may be made by the claims herein and which fall within the scope of the invention.
Claims (7)
1. A method for vehicle real-time detection of intelligent internet-connected broadcast signal data consistency, comprising:
s1: acquiring protocol standards and data structure definitions, and determining corresponding test cases;
s2: generating corresponding test case data according to the data structure definition and the validity of the data field;
s3: the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal;
s4: testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test;
s5: transmitting the verification result to the HMI display module through a network;
the test of the encoding direction and the decoding direction uses the input/output data of the protocol stack entity as a known item and is used for checking the correctness of the encoding/decoding operation of the protocol;
the DUT encoding test specifically comprises the following steps: the method comprises the steps of configuring a protocol type and a test case of a test, providing test case data through a test instrument, constructing a corresponding serialized message body for DUT coding, coding the message body into an original data code stream of ASN.1, and broadcasting through a PC5 channel; the test terminal acquires the original data code stream through a PC5 channel, decodes the original data code stream and converts the original data code stream into a corresponding serialized message body; the protocol stack entity performs coding consistency verification according to different test cases and sends a verification result to the HMI display module;
the DUT decoding test specifically comprises the following steps: configuring a tested protocol type and a test case, constructing an ASN.1 original data code stream based on test case data by a test instrument, and broadcasting the ASN.1 original data code stream by a protocol stack entity; the DUT decodes the ASN.1 original data code stream, converts the ASN.1 original data code stream into a corresponding serialized message body and sends the message body to a test terminal; and the test terminal compares the return result of the check DUT with the original value data corresponding to the test case to perform decoding consistency check.
2. The method for detecting the data consistency of intelligent internet-connected broadcast signals in real time by a vehicle according to claim 1, which is characterized by comprising the following steps:
after each single test case is completed, acquiring a user instruction through an HMI display module;
and outputting the execution condition information of all the current test cases through the HMI display module.
3. The method for real-time detection of data consistency of intelligent internet protocol broadcasting signals for vehicles according to claim 1, wherein the protocol standard specifically comprises: CSAE53-2017, YD/T3709-2020, CSAE 157-2020.
4. The method for real-time detection of data consistency of intelligent internet-connected broadcast signals of a vehicle according to claim 1, wherein the test case data specifically comprises JSON format supported by a test instrument for judging protocol consistency transceiver test results.
5. The protocol consistency test terminal is characterized by comprising the following specific steps:
the test system is used for the transmission test of the tested terminal and the receiving test of the tested terminal;
the test data generation and verification module is used for testing the consistency of the data transmitted by the tested system on the PC5 channel;
the test data transceiver module is configured to test the function of PC5 channel transceiver of data based on C-V2X;
a memory configured to store data and instructions;
a processor in communication with a memory, wherein, when executing instructions in the memory, the processor is configured to:
s1: acquiring protocol standards and data structure definitions, and determining corresponding test cases;
s2: generating corresponding test case data according to the data structure definition and the validity of the data field;
s3: the method comprises the steps of configuring a protocol type of a test and a test case of a single test through a test terminal;
s4: testing the coding direction and decoding direction respectively, including DUT coding test and DUT decoding test;
s5: transmitting the verification result to the HMI display module through a network;
the test of the encoding direction and the decoding direction uses the input/output data of the protocol stack entity as a known item and is used for checking the correctness of the encoding/decoding operation of the protocol;
the DUT encoding test specifically comprises the following steps: the method comprises the steps of configuring a protocol type and a test case of a test, providing test case data through a test instrument, constructing a corresponding serialized message body for DUT coding, coding the message body into an original data code stream of ASN.1, and broadcasting through a PC5 channel; the test terminal acquires the original data code stream through a PC5 channel, decodes the original data code stream and converts the original data code stream into a corresponding serialized message body; the protocol stack entity performs coding consistency verification according to different test cases and sends a verification result to the HMI display module;
the DUT decoding test specifically comprises the following steps: configuring a tested protocol type and a test case, constructing an ASN.1 original data code stream based on test case data by a test instrument, and broadcasting the ASN.1 original data code stream by a protocol stack entity; the DUT decodes the ASN.1 original data code stream, converts the ASN.1 original data code stream into a corresponding serialized message body and sends the message body to a test terminal; and the test terminal compares the return result of the check DUT with the original value data corresponding to the test case to perform decoding consistency check.
6. The protocol conformance test terminal of claim 5, wherein the transmission test of the tested terminal specifically comprises:
the tested terminal sends data outwards in the PC5 channel;
the protocol stack entity of the test system sends the original code stream data of the message layer to the test data generation and verification module through the LAN network;
the test data generation and verification module receives the original code stream data of the V2X message layer, analyzes the data based on the configured protocol type, and performs data consistency test according to the test case.
7. The protocol conformance test terminal of claim 5, wherein the reception test of the tested terminal specifically comprises:
generating a test data set through a test data generation and verification module and sending the test data set to a protocol stack entity;
the protocol stack entity sends the test data set to the tested terminal through a PC5 channel;
and the tested terminal analyzes the test data set according to the data format, compares the analysis result with the test data set, and performs data consistency verification.
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