CN114253578A - Method and device for designing flash environment - Google Patents

Method and device for designing flash environment Download PDF

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Publication number
CN114253578A
CN114253578A CN202111564935.9A CN202111564935A CN114253578A CN 114253578 A CN114253578 A CN 114253578A CN 202111564935 A CN202111564935 A CN 202111564935A CN 114253578 A CN114253578 A CN 114253578A
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target
flash
configuration
flow
programming
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范长买
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Beijing Jingwei Hirain Tech Co Ltd
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Beijing Jingwei Hirain Tech Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/70—Software maintenance or management
    • G06F8/71—Version control; Configuration management

Abstract

The invention discloses a method and a device for designing a flash environment, wherein the method comprises the following steps: the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service; identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller; determining a first target write-through flow for the target controller for the respective selected diagnostic service. The process can configure different first target brushing flows matched with different target controllers aiming at different target controllers, the brushing flows are variable, the configuration of the brushing flows of different controllers is realized, and the problem of long change period caused by the fact that the brushing flows are fixed and not configurable in the prior art is solved.

Description

Method and device for designing flash environment
Technical Field
The invention relates to the technical field of data processing, in particular to a method and a device for designing a flash environment.
Background
The update of the controller software is inevitable, and a convenient flash environment is indispensable work in the work of software engineers. Generally, the flash environment includes a flash upper computer, a flash device, and a to-be-flashed controller, as shown in fig. 1, the content of the interface of the flash upper computer is configured with an ECU to be selected for flash and a flash mode to be selected, the flash upper computer may add a corresponding flash file according to the to-be-flashed controller (i.e., the to-be-flashed ECU in fig. 1), and the flash file includes: application upgrade files, Flash drive files, calibration files, security access files, CRC check algorithm files and the like. The communication mode of CAN or Ethernet CAN be selected to be used for flashing by using the selected flashing mode of the configuration of the interface of the flashing upper computer. The flash upper computer can be a special diagnostic instrument, a flash environment developed by the CanOe, and the like, and the diagnostic instrument can define and store the flash process of each ECU to be flashed according to the flash specification of each ECU to be flashed; the self-developed flashing environment generally defines a specific flashing flow for a specific ECU to be flashed according to the flashing specification. Namely, in the prior art, the upper computer writes the ECU according to the specific writing flow of the writing specification. As shown in fig. 1, after selecting the ECU to be flashed and selecting the flashing mode, each ECU of the vehicle network is flashed through the gateway controller, and the vehicle network in fig. 1 includes the gateway controller, Ecu-1.1, Ecu-1.2, Ecu-2.1, Ecu-2.2 … … Ecu-m.1 which communicate with the gateway controller by using a CAN bus, and Ecu-1, Ecu-2, Ecu-1. 1.1 … … Ecu-n which communicate with the gateway controller by using an ETH (ethernet) bus.
In the above process, a specific flash flow is written for each Ecu, which is fixed and not configurable. This results in: each time the flash service is added or deleted, the execution flow is changed, the flash sub-service is changed, and the flash service DID is changed, the change requirement needs to be fed back to a diagnostic instrument design engineer or a specific engineer for modification, which brings a series of workload such as requirement transmission and function verification, and causes a long change period.
Disclosure of Invention
In view of this, the present invention provides a method and an apparatus for designing a flash environment, so as to solve the problem in the prior art that a specific flash flow is written for each Ecu, and the flash flow is fixed and not configurable. This results in: each time the flash service is added or deleted, the execution flow is changed, the flash sub-service is changed, and the flash service DID is changed, the change requirement needs to be fed back to a diagnostic instrument design engineer or a specific engineer for modification, which brings a series of workload such as requirement transmission and function verification, and causes a problem of long change period. The specific scheme is as follows:
a method for designing a flash environment, comprising:
the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service;
identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller;
determining a first target write-through flow for the target controller for the respective selected diagnostic service.
The method described above, optionally, identifying each selected diagnostic service in the general-purpose flash process that matches the target controller in a case where a design request for a flash environment of the target controller is received, includes:
traversing the general flash flow to obtain the identification of each diagnosis service in the general flash flow;
based on the identification, selected ones of the diagnostic services that match the target controller are identified.
The method described above, optionally, determining a first target write-through process of the target controller for each selected diagnostic service, includes:
acquiring the execution sequence of each selected diagnosis service;
and determining a first target flashing process of the target controller based on the execution sequence.
The above method, optionally, further includes:
acquiring service data of each selected diagnosis service;
and configuring the service data, and after the configuration is completed, updating the first target flashing process to obtain a second target flashing process.
The above method, optionally, further includes:
reading the configuration information of the second target flashing process and/or the first target flashing process;
judging whether the configuration information needs to be stored or not;
if yes, updating and saving the configuration information to a configuration file, or if not, keeping the current flash configuration information.
The above method, optionally, further includes:
acquiring a flash mode of the first target flash process and/or the second target flash process;
and performing the flash on the corresponding target flash flow based on the flash mode.
The above method, optionally, further includes:
and adding a diagnosis service in the second target flashing process and/or the first target flashing process.
A design apparatus for a flash environment, comprising:
the programming module is used for programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service;
the identification module is used for identifying each selected diagnosis service matched with the target controller in the universal flashing process under the condition of receiving a design request of a flashing environment of the target controller;
a determination module to determine a first target write-through flow of the target controller for the selected diagnostic services.
The above apparatus, optionally, the identification module includes:
the first obtaining unit is used for traversing the general flash flow and obtaining the identifier of each diagnosis service in the general flash flow;
and the identification unit is used for identifying the selected diagnosis service matched with the target controller in each diagnosis service based on the identification.
The above apparatus, optionally, the determining module includes:
a second obtaining unit, configured to obtain an execution order of each selected diagnostic service;
and the determining unit is used for determining a first target brushing flow of the target controller based on the execution sequence.
Compared with the prior art, the invention has the following advantages:
the invention discloses a method and a device for designing a flash environment, wherein the method comprises the following steps: the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service; identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller; determining a first target write-through flow for the target controller for the respective selected diagnostic service. The process can configure different first target brushing flows matched with different target controllers aiming at different target controllers, the brushing flows are variable, the configuration of the brushing flows of different controllers is realized, and the problem of long change period caused by the fact that the brushing flows are fixed and not configurable in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a flash environment of an upper computer interface configured in the prior art;
FIG. 2 is a flowchart of a method for designing a flash environment according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a flash environment configured with an upper computer interface according to an embodiment of the present disclosure;
fig. 4 is a block diagram of a design apparatus for a flash environment according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The invention discloses a method and a device for designing a flash environment, which are applied to the updating process of software in controllers, in the prior art, a general diagnostic instrument can simultaneously flash a plurality of controllers, and the diagnostic instrument can define and store the flash process of each controller according to the flash specification of each controller; the self-developed flashing environment generally defines a specific flashing process for a specific controller according to the flashing specification. The above-described flush flow is fixed and not configurable. Therefore, each time the flash service is added or deleted, the execution flow is changed, the flash sub-service is changed, and the flash service DID is changed, the change requirement needs to be fed back to a diagnostic instrument design engineer or a specific engineer for modification, a series of workloads such as requirement transmission and function verification are brought, and the change period is long. Based on the above problem, the present invention provides a method for designing a flash environment, where an execution flow of the method is shown in fig. 2, and the method includes the steps of:
s101, pre-programming a general flash flow, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service;
in the embodiment of the present invention, the general-purpose flashing process is obtained by writing in advance according to a specific application scenario by using corresponding programming software, and in the embodiment of the present invention, the specific application scenario and the adopted programming software are not limited, wherein the general-purpose flashing process includes: the method comprises a pre-programming configuration, a programming configuration and a post-programming configuration, wherein the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service, diagnosis services contained in different programming configurations are related to specific application scenes, and are not particularly limited in the embodiment of the invention. Taking a flashing process corresponding to Ecu in a vehicle network as an example, a display mode of the pre-programmed configuration, the programmed configuration and the post-programmed configuration in an upper computer interface is shown in fig. 3, taking the pre-programmed configuration as an example, wherein 1 and 2 … … 5 included in the pre-programmed configuration represent execution sequences of diagnostic services and correspond to the diagnostic services, at least one diagnostic service can be selected from the diagnostic services for designing a subsequent flashing process according to a specific application scenario, and further, a processing process for the programmed configuration and the post-programmed configuration is the same as that for the pre-programmed configuration, and is not described again. One end of the upper computer interface is connected with a brushing file, and the other end of the upper computer interface is connected with a brushing configuration information memory file, wherein the brushing configuration information memory file is used for storing configuration information, the upper computer interface also comprises options for adding a brushing file and selecting a brushing mode according to Ecu (a target controller), and further the upper computer interface is connected with a vehicle network through a CAN diagnosis mode or a direct Eth diagnosis mode based on a brushing tool, wherein the composition of the vehicle network is the same as that of the vehicle network in fig. 1.
S102, under the condition that a design request for a flash environment of a target controller is received, identifying each selected diagnosis service matched with the target controller in the general flash process;
in this embodiment of the present invention, when a user needs to flash a target control flash file based on a specific application scenario, the user needs to configure a flash environment, and preferably configures the flash file according to the target controller, where preferably, the target controller may be Ecu, and the flash file includes: the method comprises the steps that an Application upgrade file, a Flash drive file, a security access algorithm file, a CRC (cyclic redundancy check) check file, a calibration file and the like are used, wherein the Application file is an Application program, a user selects corresponding diagnostic services in the pre-programming configuration, the programming configuration and the post-programming configuration according to a specific Application scene to modify bugs or add related functions, after the bugs are modified or the functions are added, the file needs to be updated, and the file is different from a file which is printed on a controller before, so that the file in the controller needs to be updated by using a writing upper computer. Flash is a file for assisting updating and is used for erasing the memory space for storing codes in the ecu; the safe access algorithm file is that one-time safe authentication is needed in the flashing process, namely, not all people can update codes in the ECU, and the codes can be updated only through the authentication, so that the safety is considered to be safe. The CRC file is also a file that assists in updating and is used to verify that the flushed file is not correct. The calibration file is a file for calibrating the relevant data. After the adding of the flash file is completed, under the condition that diagnosis services are selected from the pre-programming configuration, the programming configuration and the post-programming configuration, a design request of a flash environment of a target controller can be made by clicking a button or other triggering modes, and under the condition that an upper computer end receives the design request, each selected diagnosis service matched with the target controller in the general flash flow is identified, wherein the specific identification process is as follows: traversing the general flash process, obtaining an identifier of each diagnostic service in the general flash process, and identifying a selected diagnostic service matched with the target controller in each diagnostic service based on the identifier, wherein the identifier may be defined based on experience or a specific application scenario, and is not specifically defined in the embodiment of the present invention. For example, the supported diagnostic services, whether to execute, sequence, and service data configuration are included in the pre-program, and post-program as shown in table 1, and each selected diagnostic service is determined based on whether to execute the option in table 1.
TABLE 1
Figure BDA0003421767230000071
Figure BDA0003421767230000081
Further, as shown in table 1, the Pre _ fringerinnfread, Pro _ FringerInfoWrite, Post _ DefaultSession diagnostic services in the erase-flush flow may be deleted by not checking whether to execute or not;
s103, determining a first target flashing process of the target controller aiming at each selected diagnosis service.
In this embodiment of the present invention, a first target write-through process of the target controller is determined for each selected service, and a specific execution process includes: acquiring an execution sequence of each selected diagnostic service, wherein the acquisition execution sequence can be based on a sequence column in table 1 to acquire the execution sequence of each diagnostic service, further, the determination of the execution sequence in table 1 is determined based on a number corresponding to each diagnostic service in the upper computer interface, wherein the execution sequence can be adjusted based on specific situations, the adjustment can add a diagnostic service, reduce a diagnostic service, change the execution sequence, and the like, for example, the execution sequence in table 1 is adjusted to be shown in table 2 by adding a diagnostic service.
TABLE 2
Figure BDA0003421767230000082
Figure BDA0003421767230000091
The first target flashing flow is obtained by adjusting the execution timing of the Pro _ FringerInfoWrite service, wherein the specific adjustment process is shown in table 3,
TABLE 3
Figure BDA0003421767230000092
Figure BDA0003421767230000101
And determining a first target flashing process of the target controller based on the execution sequence.
The invention discloses a method for designing a flash environment, which comprises the following steps: the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service; identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller; determining a first target write-through flow for the target controller for the respective selected diagnostic service. The process can configure different first target brushing flows matched with different target controllers aiming at different target controllers, the brushing flows are variable, the configuration of the brushing flows of different controllers is realized, and the problem of long change period caused by the fact that the brushing flows are fixed and not configurable in the prior art is solved.
In the embodiment of the present invention, for each diagnostic service in the first target flashing process, the second target flashing process may be obtained by modifying "service data configuration" to modify the diagnostic service, such as Pro _ SeedRequest and Pro _ KeyCheck, and modifying the diagnostic DID, such as Pre _ preconditionon check, Pre _ fringerinnfread, Pro _ FlsDataIntegrity, Pro _ FringerInfoWrite, Pro _ applereaseflash, Pro _ AppDataIntegrity, Pro _ appcoresponding, and the like, and the specific modification process is shown in table 4,
TABLE 4
Figure BDA0003421767230000102
Figure BDA0003421767230000111
In the embodiment of the invention, the configuration information of the second target flashing process and/or the first target flashing process is read, and whether the configuration information needs to be stored is judged, wherein the specific judgment process is determined by checking or not checking whether the configuration information is stored in an upper computer interface, whether the current configuration information is stored is selected and can be used for debugging and storing, the latest stored configuration information is read when the upper computer runs each time, and the latest configuration is updated or kept according to whether the latest configuration is checked. If the flash information is stored, the flash information is updated and stored in the configuration file, and if the flash information is not stored, the latest flash information is kept. Whether the configuration stores the latest configuration information or not is configured, namely the configuration is modified and can be selected to be stored without problems after verification, and repeated modification of the configuration information is avoided; and the related configuration items of the self-configuration flashing upper computer meet the flashing standard change.
Further, a brushing mode of the first target brushing flow and/or the second target brushing flow is obtained, wherein the brushing mode is a CAN brushing or an Ethernet brushing, and the specific obtaining mode may be obtained from an option associated with the brushing mode in an upper computer interface.
In the embodiment of the invention, the method can reduce the workload and the additional workload caused by the change of the flash specification; the change time is shortened, and the change time period of the flash specification is shortened; the change cost is reduced, and the change cost caused by the change of the flash specification is reduced; the method can verify the rationality of the specification in time, realize that the brushing specification is changed and tested in time, can be used for verifying the rationality of the brushing specification change in time, and avoid the workload of unreasonable repeatability; the portability is high, and different Ecu flash environments can be realized only by updating the configuration; the configuration is simple, and the configuration is convenient for engineers to configure.
Based on the above method for designing a flash environment, an embodiment of the present invention further provides a device for designing a flash environment, where a structural block diagram of the device is shown in fig. 4, and the device includes: the system comprises a writing module 201, an identification module 202 and a determination module 203, wherein the writing module 201 is used for writing a universal flash process in advance, wherein the universal flash process comprises a pre-programmed configuration, a programmed configuration and a post-programmed configuration, and the pre-programmed configuration, the programmed configuration and the post-programmed configuration comprise at least one diagnostic service; the identifying module 202 is configured to identify, in a case where a design request for a target controller's flash environment is received, each selected diagnostic service that matches the target controller in the general flash process; the determining module 203 is configured to determine a first target flashing process of the target controller for each selected diagnostic service.
The invention discloses a design device of a flash environment, which comprises: the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service; identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller; determining a first target write-through flow for the target controller for the respective selected diagnostic service. The process can configure different first target brushing flows matched with different target controllers aiming at different target controllers, the brushing flows are variable, the configuration of the brushing flows of different controllers is realized, and the problem of long change period caused by the fact that the brushing flows are fixed and not configurable in the prior art is solved.
In this embodiment of the present invention, the identifying module 202 includes:
a first acquisition unit 204 and a recognition unit 205.
Wherein the content of the first and second substances,
the first obtaining unit 204 is configured to traverse the general flash flow, and obtain an identifier of each diagnostic service in the general flash flow;
the identifying unit 205 is configured to identify, based on the identifier, a selected diagnostic service matching the target controller among the diagnostic services.
In this embodiment of the present invention, the determining module 203 includes:
a second acquisition unit 206 and a determination unit 207.
Wherein the content of the first and second substances,
a second obtaining unit, configured to obtain an execution order of each selected diagnostic service;
and the determining unit is used for determining a first target brushing flow of the target controller based on the execution sequence.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method and the device for designing the flash environment provided by the invention are described in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A method for designing a flash environment, comprising:
the method comprises the steps of programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service;
identifying each selected diagnostic service in the universal flashing flow that matches a target controller upon receiving a design request for a flashing environment of the target controller;
determining a first target write-through flow for the target controller for the respective selected diagnostic service.
2. The method of claim 1, wherein identifying each selected diagnostic service in the universal brush flow that matches a target controller upon receiving a design request for a brush environment of the target controller comprises:
traversing the general flash flow to obtain the identification of each diagnosis service in the general flash flow;
based on the identification, selected ones of the diagnostic services that match the target controller are identified.
3. The method of claim 1, wherein determining a first target write-through flow for the target controller for the respective selected diagnostic service comprises:
acquiring the execution sequence of each selected diagnosis service;
and determining a first target flashing process of the target controller based on the execution sequence.
4. The method of claim 3, further comprising:
acquiring service data of each selected diagnosis service;
and configuring the service data, and after the configuration is completed, updating the first target flashing process to obtain a second target flashing process.
5. The method of claim 4, further comprising:
reading the configuration information of the second target flashing process and/or the first target flashing process;
judging whether the configuration information needs to be stored or not;
if yes, updating and saving the configuration information to a configuration file, or if not, keeping the current flash configuration information.
6. The method of claim 5, further comprising:
acquiring a flash mode of the first target flash process and/or the second target flash process;
and performing the flash on the corresponding target flash flow based on the flash mode.
7. The method of claim 6, further comprising:
and adding a diagnosis service in the second target flashing process and/or the first target flashing process.
8. An apparatus for designing a flash environment, comprising:
the programming module is used for programming a general flash flow in advance, wherein the general flash flow comprises a pre-programming configuration, a programming configuration and a post-programming configuration, and the pre-programming configuration, the programming configuration and the post-programming configuration comprise at least one diagnosis service;
the identification module is used for identifying each selected diagnosis service matched with the target controller in the universal flashing process under the condition of receiving a design request of a flashing environment of the target controller;
a determination module to determine a first target write-through flow of the target controller for the selected diagnostic services.
9. The apparatus of claim 8, wherein the identification module comprises:
the first obtaining unit is used for traversing the general flash flow and obtaining the identifier of each diagnosis service in the general flash flow;
and the identification unit is used for identifying the selected diagnosis service matched with the target controller in each diagnosis service based on the identification.
10. The apparatus of claim 8, wherein the determining module comprises:
a second obtaining unit, configured to obtain an execution order of each selected diagnostic service;
and the determining unit is used for determining a first target brushing flow of the target controller based on the execution sequence.
CN202111564935.9A 2021-12-20 2021-12-20 Method and device for designing flash environment Pending CN114253578A (en)

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