CN112949258A - Data processing method and device, electronic equipment and storage medium - Google Patents
Data processing method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The invention is applicable to the technical field of computers, and provides a data processing method, a data processing device, electronic equipment and a storage medium, wherein the data processing method comprises the following steps: acquiring a protocol file; for the parameter list in the protocol file, determining the position of a protocol data unit corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol; determining a target parameter sequence according to the positions of the protocol data units corresponding to the parameters; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit. The method and the device for processing the protocol files can solve the problem that the parameter sequences analyzed from the protocol files are disordered.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a data processing method and device, electronic equipment and a storage medium.
Background
At present, in the vehicle diagnosis technology, a protocol file provided by an automobile manufacturer is generally required to be analyzed to obtain a parameter list included in the protocol file, so that diagnostic equipment can transmit or display the parameter list to realize a corresponding diagnostic function. However, in the protocol file provided by the automobile manufacturer, the order of the parameters included in the parameter list may be in wrong order, so that the parameter list analyzed from the protocol file in order is a parameter list in disorder order, thereby affecting subsequent data transmission and analysis.
Disclosure of Invention
In view of this, embodiments of the present invention provide a data processing method, an apparatus, an electronic device, and a storage medium, so as to solve the problem in the prior art how to solve the problem that the parameter ordering analyzed from the protocol file is disordered.
A first aspect of an embodiment of the present invention provides a data processing method, including:
acquiring a protocol file;
for the parameter list in the protocol file, determining the position of a protocol data unit corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol;
determining a target parameter sequence according to the positions of the protocol data units corresponding to the parameters; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit.
Optionally, the determining, for the parameter list in the protocol file, a protocol data unit position corresponding to each parameter in the parameter list includes:
analyzing a parameter list in the protocol file to obtain data contents corresponding to each parameter contained in the parameter list;
for each parameter, determining the position of a protocol data unit corresponding to the parameter and correspondingly creating a parameter object according to the data content corresponding to the parameter; the parameter object is used for storing data content corresponding to the parameter;
correspondingly, the determining a target parameter sequence according to the position of the protocol data unit corresponding to each parameter includes:
according to the position of the protocol data unit corresponding to each parameter and the correspondingly created parameter object, storing information of the position of the protocol data unit corresponding to each parameter and a pointer of the parameter object as a pair of associated data in a preset container;
determining a parameter object pointer sequence according to the preset container; the parameter object pointer sequence comprises pointers of the parameter objects which are sequentially arranged according to the associated protocol data unit positions;
and according to the parameter object pointer sequence, acquiring and combining each parameter object in sequence to obtain the target parameter sequence.
Optionally, the determining a parameter object pointer sequence according to the preset container includes:
according to a preset sorting function and the preset container, sorting each pair of associated data stored in the preset container according to the position of the protocol data unit to obtain the sorted preset container;
and acquiring pointers of the parameter objects in each associated data from the ordered preset container in sequence, and combining to obtain the parameter object pointer sequence.
Optionally, the information of the position of the protocol data unit corresponding to the parameter includes byte position information and bit position information, and the storing, according to the position of the protocol data unit corresponding to each parameter and the correspondingly created parameter object, the information of the position of the protocol data unit corresponding to each parameter and the pointer of the parameter object as a pair of associated data into a preset container includes:
for each parameter, storing byte position information and bit position information of the parameter into a Pair object in a correlated manner to obtain the Pair object corresponding to each parameter; the Pair object is a structure template in C + +;
according to the Pair objects corresponding to the parameters and the parameter objects correspondingly established for the parameters, storing the Pair objects corresponding to the parameters and pointers of the parameter objects as a Pair of associated data into a preset container;
correspondingly, the determining a parameter object pointer sequence according to the preset container includes:
and acquiring pointers of the parameter objects in each associated data from the preset container in sequence, and combining to obtain the parameter object pointer sequence.
Optionally, the byte position information is character string format data used for representing a byte position of the parameter.
Optionally, after determining the target parameter sequence according to the position of the protocol data unit corresponding to each parameter, the method further includes:
and outputting the target parameter sequence in sequence.
Optionally, the protocol file is an open diagnostic data exchange, ODX, file.
A second aspect of an embodiment of the present invention provides a data processing apparatus, including:
a file acquisition unit for acquiring a protocol file;
a protocol data unit position determining unit, configured to determine, for a parameter list in the protocol file, a protocol data unit position corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol;
a target parameter sequence determining unit, configured to determine a target parameter sequence according to the position of the protocol data unit corresponding to each parameter; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit.
Optionally, the protocol data unit location determining unit includes an analysis module and a determination module:
the analysis module is used for analyzing the parameter list in the protocol file to obtain the data content corresponding to each parameter contained in the parameter list;
the determining module is used for determining the position of the protocol data unit corresponding to each parameter and correspondingly creating a parameter object according to the data content corresponding to the parameter; the parameter object is used for storing data content corresponding to the parameter;
correspondingly, the target parameter sequence determining unit comprises an association storage module, a parameter object pointer sequence determining module and a combination module:
the association storage module is used for storing information of the position of the protocol data unit corresponding to each parameter and a pointer of the parameter object into a preset container as a pair of association data according to the position of the protocol data unit corresponding to each parameter and the correspondingly created parameter object;
the parameter object pointer sequence determining module is used for determining a parameter object pointer sequence according to the preset container; the parameter object pointer sequence comprises pointers of the parameter objects which are sequentially arranged according to the associated protocol data unit positions;
and the combination module is used for acquiring and combining each parameter object in sequence according to the parameter object pointer sequence to obtain the target parameter sequence.
Optionally, the parameter object pointer sequence determining module is specifically configured to sort, according to a preset sorting function and the preset container, each pair of associated data stored in the preset container according to the position of the protocol data unit, so as to obtain the sorted preset container; and acquiring pointers of the parameter objects in each associated data from the ordered preset container in sequence, and combining to obtain the parameter object pointer sequence.
Optionally, the information of the position of the protocol data unit corresponding to the parameter includes byte position information and bit position information,
correspondingly, the association storage module is specifically configured to, for each parameter, associate and store byte position information and bit position information of the parameter into a Pair object, so as to obtain a Pair object corresponding to each parameter; the Pair object is a structure template in C + +; according to the Pair objects corresponding to the parameters and the parameter objects correspondingly established for the parameters, storing the Pair objects corresponding to the parameters and pointers of the parameter objects as a Pair of associated data into a preset container;
correspondingly, the parameter object pointer sequence determining module is specifically configured to obtain pointers of parameter objects in each associated data from the preset container in sequence, and combine the pointers to obtain the parameter object pointer sequence.
Optionally, in the associative storage module, the byte position information is character string format data used for representing a byte position of the parameter.
Optionally, the data processing apparatus further includes:
and the output unit is used for outputting the target parameter sequence in sequence.
Optionally, the protocol file is an open diagnostic data exchange, ODX, file.
A third aspect of the embodiments of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the steps of the data processing method when executing the computer program.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium, which stores a computer program that, when executed by a processor, implements the steps of the data processing method as described.
A fifth aspect of embodiments of the present application provides a computer program product, which, when run on an electronic device, causes the electronic device to execute the data processing method of any one of the first aspect.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: in the embodiment of the application, for the obtained protocol file, the positions of the protocol data units corresponding to the parameters in the protocol file can be determined, and the target parameter sequence consisting of the parameters arranged according to the position sequence of the protocol data units is determined according to the positions of the protocol data units corresponding to the parameters, so that the parameters possibly disordered in the parameter list in the protocol file can be arranged according to the position sequence of the protocol data units, the problem of disordered parameter sequencing is solved, and the accuracy of subsequent data transmission and analysis is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
Fig. 1 is a schematic flow chart illustrating an implementation of a data processing method according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating Structure type data of an ODX file according to an embodiment of the present invention;
FIG. 3 is a diagram of a data processing apparatus according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an electronic device provided in an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
In addition, in the description of the present application, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
At present, in the vehicle diagnosis technology, a protocol file provided by an automobile manufacturer is generally required to be analyzed to obtain a parameter list included in the protocol file, so that diagnostic equipment can transmit or display the parameter list to realize a corresponding diagnostic function. However, in the protocol file provided by the automobile manufacturer, the order of the parameters included in the parameter list may be in wrong order, so that the parameter list analyzed from the protocol file in order is a parameter list in disorder order, thereby affecting subsequent data transmission and analysis. In order to solve the technical problem, embodiments of the present application provide a data processing method, an apparatus, an electronic device, and a storage medium, including: acquiring a protocol file; for the parameter list in the protocol file, determining the position of a protocol data unit corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol; determining a target parameter sequence according to the positions of the protocol data units corresponding to the parameters; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit. The positions of the protocol data units corresponding to the parameters in the protocol file can be determined for the obtained protocol file, and the target parameter sequence consisting of the parameters arranged according to the position sequence of the protocol data units is determined according to the positions of the protocol data units corresponding to the parameters, so that the parameters possibly disordered in the parameter list in the protocol file can be arranged according to the position sequence of the protocol data units, the problem of disordered parameter sequencing is solved, and the accuracy of subsequent data transmission and analysis is ensured.
In the embodiment of the present application, a Protocol Data Unit (PDU) is composed of a Service Data Unit (SDU) and Protocol Control Information (PCI), and is a basic Data Unit for communication in the field of automobile diagnosis. And arranging position information of one sub data in the protocol data unit position in the complete protocol data unit. In some embodiments, the pdu location may specifically include a byte location and a bit location, where the byte location is used to indicate that the sub-data is located in the second byte of the pdu; the bit position indicates the bit number of the byte in which the data is located. In the following embodiments, the PDU is simply referred to as a protocol data unit, and the PDU position is simply referred to as a PDU position.
The first embodiment is as follows:
fig. 1 shows a schematic flowchart of a first data processing method provided in an embodiment of the present application, where an execution subject of the data processing method is an electronic device, and may specifically be a diagnostic device of a vehicle. The data processing method is detailed as follows:
in S101, a protocol file is acquired.
In the embodiment of the application, the protocol file is a file which is provided by a vehicle manufacturer and describes diagnostic protocol data of the vehicle. The protocol file may be read by the electronic device from its own storage unit or may be downloaded from an external storage unit, such as a third party database or a server of the vehicle manufacturer. For example, a protocol file matching with vehicle type information may be acquired from a storage unit of itself or the outside according to the vehicle type information by acquiring the vehicle type information of the vehicle currently requiring diagnosis.
In S102, for the parameter list in the protocol file, determining a PDU position corresponding to each parameter in the parameter list; and setting the PDU position corresponding to each parameter by a preset standard protocol.
In the embodiment of the application, the protocol file comprises at least one parameter list, and the parameter list is composed of various parameters. Specifically, a parameter list corresponds to a complete diagnostic data required in a vehicle diagnostic process, and each parameter in the parameter list is each subdata constituting the complete diagnostic data. For example, the parameter list may correspond to one piece of gyroscope diagnostic data, and each parameter in the parameter list may correspond to three pieces of angle data, namely, a yaw angle, a pitch angle, and a roll angle, included in the gyroscope diagnostic data. For example, the parameter list may correspond to time data, and each parameter in the parameter list may correspond to each child data of a year, a month, a day, a time, a minute, and the like included in the time data, respectively.
Specifically, in the vehicle diagnosis process, the parameter list is transmitted in PDU units. When the parameter list is transmitted, the transmission needs to be performed strictly according to the sequence of PDU positions specified in the ISO standard, otherwise, the transmission of the parameter list may fail or be disordered. In the protocol file provided by the vehicle manufacturer, the sequence of each parameter in the parameter list may be disordered, that is, the sequence is not strictly ordered according to the ISO standard. However, for each parameter included in the parameter list, the data content of the parameter (i.e. the specific information of the parameter) is generally recorded in detail in the protocol file, wherein the data content includes the information of the PDU position defined by the parameter in the preset standard protocol. The preset standard protocol is an ISO standard protocol related to automobile diagnosis communication, such as ISO-14230, ISO-14229, ISO-1575, ISO-15765 and the like. Therefore, in the embodiment of the present application, for each parameter included in the parameter list, the PDU position information of the parameter described in the protocol file may be obtained, and the PDU position of the parameter may be determined.
In S103, determining a target parameter sequence according to the PDU positions corresponding to the parameters; the target parameter sequence is composed of the parameters arranged according to the PDU position sequence.
After determining the PDU positions corresponding to the parameters in the parameter list of the protocol file, arranging the parameters in the parameter list according to the sequence of the PDU positions from first to last to obtain the parameters in sequence, and combining the parameters in sequence to obtain the target parameter sequence. The target parameter sequence is a sequence consisting of various parameters arranged strictly in the order of PDU positions specified in a preset standard protocol. Specifically, the PDU position corresponding to each parameter can be described by a number, and the smaller the number, the more forward the corresponding position. Illustratively, in the protocol file, the parameter list is sequentially composed of a parameter a, a parameter B, a parameter C, and a parameter D, where the PDU position corresponding to the parameter a is 1, the PDU position corresponding to the parameter B is 0, the PDU position corresponding to the parameter C is 3, and the PDU position corresponding to the parameter D is 2, then the parameters are arranged according to the sequence of the PDU position numbers corresponding to the parameters from small to large, so as to obtain a target parameter sequence composed of the parameter B, the parameter a, the parameter D, and the parameter C in sequence.
Optionally, the protocol file in this embodiment of the present application is an Open Diagnostic Data Exchange (ODX) file.
The ODX is an extensible markup language XML-based vehicle diagnostic interaction format established by the Association for standardization of Automation and measurement Systems (ASAM) and is used to describe Electronic Control Unit (ECU) data related to diagnosis. The Structure type data, Request type data, Response type data and EnvData type data contained in the ODX file are parameter lists composed of a plurality of parameters PARAM, and the PDU positions of the parameters PARAM contained in the parameter lists in sequence in the ODX file provided by a vehicle manufacturer may be disordered. Therefore, the ODX file can be used as a protocol file in the embodiment of the present application, and by using the data processing method in the embodiment of the present application, parameters in a parameter list such as Structure type data, Request type data, Response type data, EnvData type data, and the like analyzed in the ODX file can be arranged according to the PDU position sequence, so that a target parameter sequence obtained subsequently according to the ODX file can accurately transmit and analyze diagnostic data.
Optionally, the step S102 includes:
analyzing a parameter list in the protocol file to obtain data contents corresponding to each parameter contained in the parameter list;
for each parameter, determining the PDU position corresponding to the parameter and correspondingly creating a parameter object according to the data content corresponding to the parameter; the parameter object is used for storing data content corresponding to the parameter;
correspondingly, the step S103 includes:
s10301: storing information of the PDU position corresponding to each parameter and a pointer of the parameter object as a pair of associated data into a preset container according to the PDU position corresponding to each parameter and the correspondingly created parameter object;
s10302: determining a parameter object pointer sequence according to the preset container; the parameter object pointer sequence comprises pointers of the parameter objects which are sequentially arranged according to the associated PDU positions;
s10303: and according to the parameter object pointer sequence, acquiring and combining each parameter object in sequence to obtain the target parameter sequence.
In the embodiment of the application, after the protocol file is acquired, the protocol file can be analyzed, and when it is detected that a parameter list is currently analyzed, data contents corresponding to each parameter included in the parameter list are sequentially analyzed. For example, if the protocol file is an XML format file (the ODX file is an XML format file), the protocol file may be parsed by a predetermined XML parsing tool or an XML parsing function.
For each parameter, when the data content corresponding to the parameter is analyzed, the information of the PDU position corresponding to the parameter is obtained from the data content, and therefore the PDU position corresponding to the parameter is determined. And creating a corresponding parameter object for the parameter object, wherein the parameter object is used for storing the data content contained in the parameter, so that the parameter object can completely describe the parameter. For example, if a C + + program is currently loaded on the electronic device, the parameter object is a C + + object storing data content of the parameter.
Correspondingly, in step S10301, according to the PDU position of the parameter recorded correspondingly and the parameter object created correspondingly, the PDU position information corresponding to each parameter and the pointer of the parameter object are respectively stored as a pair of associated data in a preset container, and finally, a preset container containing each pair of associated data corresponding to each parameter is obtained. The pointer of the parameter object is the memory address of the parameter object. The preset container is a preset class template for storing data, specifically, the preset container is a map container, the map container is an association array, each item in the association array can store a pair of association data in a manner similar to a key value pair, for example, the PDU position information in the embodiment of the present application can be used as a key ", and the pointer of the parameter object can be used as a value", so as to form a pair of association data in the map container.
In step S10302, according to the preset container, each pair of associated data arranged according to the PDU position information sequence is determined, and pointers of parameter objects are sequentially read from the associated data arranged in sequence, that is, pointers of each parameter object arranged in sequence are obtained, and a parameter object pointer sequence is obtained by combining the pointers of the parameter objects arranged in sequence.
In S10303, according to the parameter object pointer sequence, each parameter object is read from the corresponding memory address in sequence, and combined to obtain the target parameter sequence. Each parameter object corresponds to the data content of one parameter in the storage protocol file, so each parameter object can completely describe one parameter, and the target parameter sequence formed by the parameter objects arranged in sequence is a sequence containing all the parameters sequenced according to the PDU position sequence.
In the embodiment of the application, for each parameter in the parameter list, the PDU position corresponding to the parameter can be accurately determined according to the content of the analyzed parameter, the PDU position and a parameter object for storing the data content of the parameter are used as a pair of associated data, and the associated data is stored in a preset container, so that a parameter comparison pointer sequence including pointers of parameter objects arranged in sequence can be determined according to the preset container, and then each parameter object can be accurately and sequentially obtained according to the parameter object pointer sequence, and a target parameter sequence is obtained by combination, thereby conveniently and accurately realizing the sequencing of the parameters.
Optionally, the step S10302 includes:
sequencing each pair of associated data stored in the preset container according to the PDU position according to a preset sequencing function and the preset container to obtain the sequenced preset container;
and acquiring pointers of the parameter objects in each associated data from the ordered preset container in sequence, and combining to obtain the parameter object pointer sequence.
In the preset container in the embodiment of the application, the original arrangement order of each pair of associated data is consistent with the sequence order of each parameter in the parameter list of the protocol file, for example, if, in the protocol file, the parameter list is sequentially composed of a parameter D with a PDU position of 1, a parameter A, PDU, a position of 0, a parameter B, PDU, a position of 3, and a parameter D with a position of 2, the associated data stored in the preset container in sequence may be described as: "position 1, object pointer of parameter a", "position 0, object pointer of parameter B", "position 3, object pointer of parameter C", "position 2, object pointer of parameter D". At this time, according to a preset sorting function, each pair of associated data of the preset container is sorted in an ascending order according to the PDU position, so as to obtain the sorted preset container. For example, the content sequence of the ordered preset containers corresponding to the preset containers is as follows: "position 0, object pointer of parameter B", "position 1, object pointer of parameter a", "position 2, object pointer of parameter D", "position 3, object pointer of parameter C".
And then reading pointers of the parameter objects in each associated data in sequence according to the ordered preset container and combining to obtain a parameter object pointer sequence. Illustratively, according to the sorted preset container, the parameter object pointer sequence obtained by sequentially obtaining pointers of the respective parameter objects and combining the pointers is as follows: "object pointer of parameter B, object pointer of parameter a, object pointer of parameter D, object pointer of parameter C".
In the embodiment of the application, each pair of associated data of the preset container can be sequenced by means of the preset sequencing function to obtain the sequenced preset container, so that the pointers of each parameter object can be accurately and conveniently obtained in sequence according to the sequenced preset container, and the parameter object pointer sequence can be conveniently and accurately obtained.
Optionally, the PDU position information corresponding to the parameter includes byte position information and bit position information, and correspondingly, the step S10301 includes:
for each parameter, storing byte position information and bit position information of the parameter into a Pair object in a correlated manner to obtain the Pair object corresponding to each parameter; the Pair object is a structure template in C + +;
according to the Pair objects corresponding to the parameters and the parameter objects correspondingly established for the parameters, storing the Pair objects corresponding to the parameters and pointers of the parameter objects as a Pair of associated data into a preset container;
correspondingly, step S10302, described above, includes:
and acquiring pointers of the parameter objects in each associated data from the preset container in sequence, and combining to obtain the parameter object pointer sequence.
In this embodiment of the present application, the PDU POSITION corresponding to the parameter may be specifically represented by BYTE POSITION information "BYTE-POSITION" and BIT POSITION information "BIT-POSITION". For each parameter, the byte position information and the bit position information corresponding to the device can be obtained from the data content of the parameter analyzed from the protocol file. For each parameter, after the byte position information and the bit position information of the parameter are obtained through analysis, the byte position information and the bit position information of the parameter are stored in a Pair object in an associated mode, and the Pair object corresponding to each parameter is obtained. The Pair object is a structure template in C + +, specifically a structure template containing 2 data members, inherits to the _ Pair _ base structure template, and can access a first member through first and a second member through second. In the embodiment of the present application, a first member (i.e., a first member) of a Pair object is byte position information of a parameter, and a second member (i.e., a second member) is bit position information of the parameter.
After the Pair objects corresponding to the parameters are determined in sequence, for each parameter, the Pair object of the parameter and the pointer of the parameter object corresponding to the parameter are used as a Pair of associated data to be stored in a preset container in an associated mode. Due to the characteristics of the Pair object, in the preset container, each piece of associated data can be automatically sorted in an ascending order according to the information of the first member and the second member of the Pair object, so that the order of each piece of associated data stored in the preset container is automatically sorted in an order according to the byte position information and the bit position information described by the Pair object, and the associated data of the preset container does not need to be additionally sorted through a sorting function.
Then, in S10302, according to the preset container, the pointers of the parameter objects in the associated data are sequentially read, that is, the pointers of the parameter objects sequentially arranged according to the PDU position can be obtained, so that the pointers of the parameter objects obtained in sequence can be directly combined to obtain a parameter object pointer sequence.
In the embodiment of the application, because the information of the PDU positions of the parameters can be stored through the Pair object, the pointers of the parameter objects in the associated data arranged in sequence can be directly obtained from the preset container without sequencing the associated data through an additional sequencing function by virtue of the characteristic that the Pair objects are automatically arranged in sequence, so as to obtain the parameter object pointer sequence, thereby saving the memory and time cost required by sequencing processing and improving the data processing efficiency.
Optionally, the byte position information is character string format data used for representing a byte position of the parameter.
Specifically, in the Pair object, byte position information may be stored in String format data String. Since the byte position of the parameter in the parameter list may increase with the complexity of the data, the value of the byte position information exceeds the power of 64 of 2, and thus the 16-bit integer data cannot be stored. Therefore, after the byte position of the parameter is acquired, the value of the byte position can be converted into character string format data as byte position information, and the character string format data is stored in the Pair object corresponding to the parameter, so that the compatibility and the expansibility of the data are improved.
Optionally, after the step S103, the method further includes:
and outputting the target parameter sequence in sequence.
In one embodiment, the sequential output target parameter sequence may be: and sending each parameter of the target parameter sequence to an ECU of the vehicle in sequence, so that the transmission of the diagnostic data is completed according to a standard sequence, the diagnostic data can be correctly and successfully transmitted, and the accuracy and the success rate of vehicle diagnosis are improved. In another embodiment, the sequential output target parameter sequence may be: and sending each parameter of the target parameter sequence to a display screen of the diagnosis equipment in sequence for displaying, so that a client can accurately analyze the diagnosis data according to the parameters arranged in sequence, and the accuracy of vehicle diagnosis and analysis is improved.
Exemplarily, an ODX file is taken as a protocol file of an embodiment of the present application, a parameter list in Structure type data in the ODX file is taken as a parameter list of the embodiment of the present application, and each parameter PARAM included in the Structure type data is taken as each parameter in the parameter list of the embodiment of the present application, so as to exemplarily describe a data processing method of the embodiment of the present application. The Structure type data may be as shown in FIG. 2. Specifically, a preset container is defined:
map<pair<String,UINT8>,PARAM*>m_mSortedParams；
the preset container m _ mSortedParams is used for storing each associated data corresponding to each parameter. In the preset container, key is a Pair object: pair < String, UINT8>, value is the pointer to the parameter object: PARAM. The Pair object is used for storing PDU position information of parameters, wherein the first member of the Pair object is character String format data String used for storing byte position information in the PDU position, and the second member is 8-bit integer data UINT8 used for storing bit position information in the PDU position.
Then, after an original ODX file provided by a vehicle scene is acquired, parsing the ODX file, when a parameter list in Structure type data is parsed, creating a parameter object corresponding to the parameter to store the data content of the parameter (namely, the content contained between a start tag < PARAM and an end tag </PARAM >) when a parameter PARAM of the parameter list is parsed, acquiring byte position information and bit position information of the parameter from the data content, and storing the byte position information and the bit position information into a Pair object Pair < String, UINT 8); then, the Pair object of the parameter and the pointer PARAM of the parameter object are stored as a Pair of associated data in the preset container m _ mSortedParams defined above. After the Structure type data is analyzed, each parameter of the parameter list stores corresponding associated data to a preset container through the processing, and the obtained preset container m _ mSortedParams includes associated data corresponding to each parameter. Due to the ascending sequence characteristic of the Pair objects, the associated data contained in the preset container m _ mStordedParams are arranged according to the sequence of the PDU positions. And then, circularly traversing the preset container m _ mStortedParams, sequentially acquiring the pointers of each parameter object, and storing the pointers into a preset vector m _ pvpParam to obtain the parameter object pointer sequence. The vector (vector) is a Sequence Container (Sequence Container) encapsulating dynamic size (variable length) arrays, and is ordered according to a strict linear Sequence, and any element in the Sequence can be quickly and directly accessed through the position of the element in the Sequence. Finally, according to the vector m _ pvpParam, each parameter object can be read in sequence, a sequence composed of parameters arranged according to the PDU position sequence, namely a target parameter sequence, is obtained, and the subsequent vehicle diagnosis process can be accurately carried out through the target parameter sequence.
In the embodiment of the application, for the obtained protocol file, the PDU positions corresponding to the parameters in the protocol file can be determined, and the target parameter sequence composed of the parameters arranged according to the PDU position sequence is determined according to the PDU positions corresponding to the parameters, so that the parameters possibly disordered in the parameter list in the protocol file can be arranged according to the PDU position sequence, the problem of disordered parameter sequencing is solved, and the accuracy of subsequent data transmission and analysis is ensured.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Example two:
fig. 3 shows a schematic structural diagram of a data processing apparatus provided in an embodiment of the present application, and for convenience of description, only parts related to the embodiment of the present application are shown:
the data processing apparatus includes: a file acquisition unit 31, a protocol data unit position determination unit 32, and a target parameter sequence determination unit 33. Wherein:
a file acquiring unit 31 for acquiring the protocol file.
A protocol data unit position determining unit 32, configured to determine, for a parameter list in the protocol file, a protocol data unit position corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol.
A target parameter sequence determining unit 33, configured to determine a target parameter sequence according to the position of the protocol data unit corresponding to each parameter; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit.
Optionally, the protocol data unit location determining unit 32 includes a parsing module and a determining module:
the analysis module is used for analyzing the parameter list in the protocol file to obtain the data content corresponding to each parameter contained in the parameter list;
the determining module is used for determining the position of the protocol data unit corresponding to each parameter and correspondingly creating a parameter object according to the data content corresponding to the parameter; the parameter object is used for storing data content corresponding to the parameter;
correspondingly, the target parameter sequence determining unit 33 includes an association storage module, a parameter object pointer sequence determining module, and a combination module:
the association storage module is used for storing information of the position of the protocol data unit corresponding to each parameter and a pointer of the parameter object into a preset container as a pair of association data according to the position of the protocol data unit corresponding to each parameter and the correspondingly created parameter object;
the parameter object pointer sequence determining module is used for determining a parameter object pointer sequence according to the preset container; the parameter object pointer sequence comprises pointers of the parameter objects which are sequentially arranged according to the associated protocol data unit positions;
and the combination module is used for acquiring and combining each parameter object in sequence according to the parameter object pointer sequence to obtain the target parameter sequence.
Optionally, the parameter object pointer sequence determining module is specifically configured to sort, according to a preset sorting function and the preset container, each pair of associated data stored in the preset container according to the position of the protocol data unit, so as to obtain the sorted preset container; and acquiring pointers of the parameter objects in each associated data from the ordered preset container in sequence, and combining to obtain the parameter object pointer sequence.
Optionally, the information of the position of the protocol data unit corresponding to the parameter includes byte position information and bit position information,
correspondingly, the association storage module is specifically configured to, for each parameter, associate and store byte position information and bit position information of the parameter into a Pair object, so as to obtain a Pair object corresponding to each parameter; the Pair object is a structure template in C + +; according to the Pair objects corresponding to the parameters and the parameter objects correspondingly established for the parameters, storing the Pair objects corresponding to the parameters and pointers of the parameter objects as a Pair of associated data into a preset container;
correspondingly, the parameter object pointer sequence determining module is specifically configured to obtain pointers of parameter objects in each associated data from the preset container in sequence, and combine the pointers to obtain the parameter object pointer sequence.
Optionally, in the associative storage module, the byte position information is character string format data used for representing a byte position of the parameter.
Optionally, the data processing apparatus further includes:
and the output unit is used for outputting the target parameter sequence in sequence.
Optionally, the protocol file is an open diagnostic data exchange, ODX, file.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Example three:
fig. 4 is a schematic diagram of an electronic device according to an embodiment of the present application. As shown in fig. 4, the electronic apparatus 4 of this embodiment includes: a processor 40, a memory 41 and a computer program 42, such as a data processing program, stored in said memory 41 and executable on said processor 40. The processor 40 implements the steps in the above-described respective data processing method embodiments, such as the steps S101 to S103 shown in fig. 1, when executing the computer program 42. Alternatively, the processor 40 executes the computer program 42 to implement the functions of the modules/units in the device embodiments, such as the functions of the file acquiring unit 31 to the target parameter sequence determining unit 33 shown in fig. 3.
Illustratively, the computer program 42 may be partitioned into one or more modules/units that are stored in the memory 41 and executed by the processor 40 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 42 in the electronic device 4.
The electronic device 4 may be a diagnostic device, a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The electronic device may include, but is not limited to, a processor 40, a memory 41. Those skilled in the art will appreciate that fig. 4 is merely an example of an electronic device 4 and does not constitute a limitation of the electronic device 4 and may include more or fewer components than shown, or some components may be combined, or different components, e.g., the electronic device may also include input-output devices, network access devices, buses, etc.
The Processor 40 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 41 may be an internal storage unit of the electronic device 4, such as a hard disk or a memory of the electronic device 4. The memory 41 may also be an external storage device of the electronic device 4, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the electronic device 4. Further, the memory 41 may also include both an internal storage unit and an external storage device of the electronic device 4. The memory 41 is used for storing the computer program and other programs and data required by the electronic device. The memory 41 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/electronic device and method may be implemented in other ways. For example, the above-described apparatus/electronic device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A data processing method, comprising:
acquiring a protocol file;
for the parameter list in the protocol file, determining the position of a protocol data unit corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol;
determining a target parameter sequence according to the positions of the protocol data units corresponding to the parameters; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit.
2. The data processing method of claim 1, wherein the determining, for the parameter list in the protocol file, the position of the protocol data unit corresponding to each parameter in the parameter list comprises:
analyzing a parameter list in the protocol file to obtain data contents corresponding to each parameter contained in the parameter list;
for each parameter, determining the position of a protocol data unit corresponding to the parameter and correspondingly creating a parameter object according to the data content corresponding to the parameter; the parameter object is used for storing data content corresponding to the parameter;
correspondingly, the determining a target parameter sequence according to the position of the protocol data unit corresponding to each parameter includes:
according to the position of the protocol data unit corresponding to each parameter and the correspondingly created parameter object, storing information of the position of the protocol data unit corresponding to each parameter and a pointer of the parameter object as a pair of associated data in a preset container;
determining a parameter object pointer sequence according to the preset container; the parameter object pointer sequence comprises pointers of the parameter objects which are sequentially arranged according to the associated protocol data unit positions;
and according to the parameter object pointer sequence, acquiring and combining each parameter object in sequence to obtain the target parameter sequence.
3. The data processing method of claim 2, wherein said determining a sequence of parameter object pointers from said preset container comprises:
according to a preset sorting function and the preset container, sorting each pair of associated data stored in the preset container according to the position of the protocol data unit to obtain the sorted preset container;
and acquiring pointers of the parameter objects in each associated data from the ordered preset container in sequence, and combining to obtain the parameter object pointer sequence.
4. The data processing method according to claim 2, wherein the information of the pdu position corresponding to the parameter includes byte position information and bit position information, and the storing the information of the pdu position corresponding to each parameter and the pointer of the parameter object as a pair of associated data according to the pdu position corresponding to each parameter and the correspondingly created parameter object comprises:
for each parameter, storing byte position information and bit position information of the parameter into a Pair object in a correlated manner to obtain the Pair object corresponding to each parameter; the Pair object is a structure template in C + +;
according to the Pair objects corresponding to the parameters and the parameter objects correspondingly established for the parameters, storing the Pair objects corresponding to the parameters and pointers of the parameter objects as a Pair of associated data into a preset container;
correspondingly, the determining a parameter object pointer sequence according to the preset container includes:
and acquiring pointers of the parameter objects in each associated data from the preset container in sequence, and combining to obtain the parameter object pointer sequence.
5. The data processing method according to claim 4, wherein the byte position information is character string format data for representing a byte position of the parameter.
6. The data processing method of claim 1, wherein after determining the target parameter sequence according to the position of the pdu corresponding to each of the parameters, further comprising:
and outputting the target parameter sequence in sequence.
7. The data processing method of any of claims 1 to 6, wherein the protocol file is an open diagnostic data exchange, ODX, file.
8. A data processing apparatus, comprising:
a file acquisition unit for acquiring a protocol file;
a protocol data unit position determining unit, configured to determine, for a parameter list in the protocol file, a protocol data unit position corresponding to each parameter in the parameter list; the position of the protocol data unit corresponding to each parameter is set by a preset standard protocol;
a target parameter sequence determining unit, configured to determine a target parameter sequence according to the position of the protocol data unit corresponding to each parameter; the target parameter sequence is composed of the parameters arranged according to the position sequence of the protocol data unit.
9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 7 are implemented when the computer program is executed by the processor.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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