CN116450183A - Software upgrading method, device, equipment and medium of electronic control unit - Google Patents

Software upgrading method, device, equipment and medium of electronic control unit Download PDF

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Publication number
CN116450183A
CN116450183A CN202310628353.5A CN202310628353A CN116450183A CN 116450183 A CN116450183 A CN 116450183A CN 202310628353 A CN202310628353 A CN 202310628353A CN 116450183 A CN116450183 A CN 116450183A
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China
Prior art keywords
software
control unit
electronic control
upgrading
upgrade
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CN202310628353.5A
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Chinese (zh)
Inventor
马骉
李长龙
柳旭
张建平
刘禹池
王腾
沙伟华
周恒�
孙英会
周锐
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FAW Group Corp
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FAW Group Corp
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Priority to CN202310628353.5A priority Critical patent/CN116450183A/en
Publication of CN116450183A publication Critical patent/CN116450183A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/70Software maintenance or management
    • G06F8/71Version control; Configuration management

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The invention discloses a software upgrading method, device, equipment and medium of an electronic control unit. The method comprises the following steps: after receiving a software upgrading request corresponding to the electronic control unit, detecting whether the electronic control unit meets a software upgrading condition or not; after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol; upgrading the software of the electronic control unit according to the software upgrading file; after the failure of the software upgrading of the electronic control unit is detected, a software upgrading script corresponding to the electronic control unit is obtained, and the software of the electronic control unit is upgraded again according to the software upgrading script. According to the embodiment of the invention, after the software upgrading of the electronic control unit fails, the software of the electronic control unit is upgraded again according to the software upgrading script, so that the efficiency and the success rate of the software upgrading process of the electronic control unit are improved.

Description

Software upgrading method, device, equipment and medium of electronic control unit
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a method, an apparatus, a device, and a medium for upgrading software of an electronic control unit.
Background
An electronic control unit (Electronic Control Unit, ECU) is a core part of the vehicle. The electronic control unit has software installed therein for realizing functions of controlling components provided on the vehicle. In order to ensure the normal running of the vehicle, the software of the electronic control unit needs to be updated in time, and the software of the electronic control unit is updated to a specified software version.
In the related art, a software upgrade scheme of a commonly used electronic control unit is as follows: based on the air downloading technology, the software upgrading file corresponding to the electronic control unit is automatically downloaded. And then, upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to a specified software version. Upgrade failures may be caused by network anomalies or other factors during the upgrade process. If the upgrade failure is detected, the software of the electronic control unit is rolled back, and the software of the electronic control unit is restored to the last software version. Under the condition that the upgrading failure is detected, the software upgrading scheme of the electronic control unit in the related technology directly restores the software of the electronic control unit to the last software version, and the efficiency and the success rate of the software upgrading process of the electronic control unit are low.
Disclosure of Invention
The invention provides a method, a device, equipment and a medium for upgrading software of an electronic control unit, which are used for solving the problems that under the condition that the software upgrading scheme of the electronic control unit in the related technology detects that the upgrading fails, the software of the electronic control unit is directly restored to the last software version, and the efficiency and the success rate of the software upgrading process of the electronic control unit are lower.
According to an aspect of the present invention, there is provided a software upgrade method of an electronic control unit, including:
after receiving a software upgrading request corresponding to an electronic control unit, detecting whether the electronic control unit meets a software upgrading condition according to the current software version and the target software version of the electronic control unit;
after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol;
upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to the target software version;
after detecting that the software upgrading of the electronic control unit fails, acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script.
According to another aspect of the present invention, there is provided a software upgrade apparatus of an electronic control unit, comprising:
the upgrade detection module is used for detecting whether the electronic control unit meets the software upgrade condition according to the current software version and the target software version of the electronic control unit after receiving the software upgrade request corresponding to the electronic control unit;
the file acquisition module is used for acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol after the electronic control unit is detected to meet the software upgrading condition;
the software upgrading module is used for upgrading the software of the electronic control unit according to the software upgrading file and upgrading the software of the electronic control unit to the target software version;
and the upgrade failure processing module is used for acquiring a software upgrade script corresponding to the electronic control unit after detecting that the software upgrade of the electronic control unit fails, and re-upgrading the software of the electronic control unit according to the software upgrade script.
According to another aspect of the present invention, there is provided an electronic apparatus including:
At least one processor;
and a memory communicatively coupled to the at least one processor;
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor, so that the at least one processor can execute the software upgrading method of the electronic control unit according to any embodiment of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute a software upgrade method of an electronic control unit according to any one of the embodiments of the present invention.
According to the technical scheme, after a software upgrading request corresponding to the electronic control unit is received, whether the electronic control unit meets a software upgrading condition or not is detected according to the current software version and the target software version of the electronic control unit; after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol; upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to a target software version; after the failure of the software upgrading of the electronic control unit is detected, a software upgrading script corresponding to the electronic control unit is obtained, the software of the electronic control unit is upgraded again according to the software upgrading script, the problem that the software of the electronic control unit is directly restored to the last software version and cannot be upgraded to the appointed software version under the condition that the failure of the upgrading is detected by the software upgrading scheme of the electronic control unit in the related art is solved, and the beneficial effects that the software upgrading process of the software of the electronic control unit can be abnormal and cannot be upgraded from the current software version to the target software version after the abnormality of the software upgrading process of the software of the electronic control unit is determined, and the efficiency and the success rate of the software upgrading process of the electronic control unit are improved are obtained.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a software upgrading method of an electronic control unit according to a first embodiment of the present invention.
Fig. 2 is a flowchart of a software upgrading method of an electronic control unit according to a second embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a software upgrading apparatus for an electronic control unit according to a third embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an electronic device implementing a software upgrading method of an electronic control unit according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "object," "first," "second," and the like in the description and the claims of the present invention and the above drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a software upgrading method of an electronic control unit according to a first embodiment of the present invention. The embodiment is applicable to the situation that the software of the electronic control unit is upgraded again when the upgrade failure is detected, the method can be executed by a software upgrading device of the electronic control unit, the software upgrading device of the electronic control unit can be realized in a hardware and/or software mode, and the software upgrading device of the electronic control unit can be configured in electronic equipment arranged on a vehicle. The electronic device may be a controller provided on the vehicle and dedicated to controlling a software upgrade process of the electronic control unit, or may be a complete vehicle controller of the vehicle. As shown in fig. 1, the method includes:
Step 101, after receiving a software upgrading request corresponding to an electronic control unit, detecting whether the electronic control unit meets a software upgrading condition according to a current software version and a target software version of the electronic control unit.
Optionally, the electronic control unit is a core part of the vehicle for controlling components provided on the vehicle. The software of the electronic control unit is software installed in the electronic control unit for realizing functions of controlling components provided on the vehicle. After the initial version of the software is put into use, in order to enhance the software function or improve the software performance, a developer of the software can continuously correct or correct the software according to the service requirement to obtain a new version of the software.
Optionally, the software upgrade request corresponding to the electronic control unit is a request for requesting an upgrade of the software of the electronic control unit to a target software version. The software upgrade request corresponding to the electronic control unit carries the target software version. The target software version is a version to which the software of the electronic control unit needs to be upgraded, and may be the latest version of the software for realizing the functions of controlling the components provided on the vehicle. The target user can send a software upgrading request corresponding to the electronic control unit to the electronic device through the terminal device. The target user may be the owner or driver of the vehicle. The electronic device may extract a target software version of the electronic control unit from a software upgrade request corresponding to the electronic control unit.
Alternatively, the current software version of the electronic control unit is the version of the software currently installed in the electronic control unit for realizing the function of controlling the components provided on the vehicle. The electronic device establishes a communication connection with the electronic control unit, and the current software version can be obtained from the electronic control unit based on the established communication connection.
Optionally, the software upgrade condition is a condition for determining whether the software of the electronic control unit needs to be upgraded. The software upgrade condition may be that the current software version and the target software version are not the same. If the current software version is different from the target software version, the version of the software of the electronic control unit is not the version to which the software of the electronic control unit needs to be upgraded, and the software of the electronic control unit needs to be upgraded. If the current software version is the same as the target software version, the version of the software of the electronic control unit is already the version to which the software of the electronic control unit needs to be upgraded, and the software of the electronic control unit does not need to be upgraded.
Optionally, detecting whether the electronic control unit meets a software upgrade condition according to a current software version and a target software version of the electronic control unit includes: judging whether the current software version is the same as the target software version; if the current software version is the same as the target software version, determining that the electronic control unit does not meet a software upgrading condition; and if the current software version is different from the target software version, determining that the electronic control unit meets the software upgrading condition.
Optionally, the target software version is extracted from a software upgrade request corresponding to the electronic control unit, and the current software version is obtained from the electronic control unit based on the established communication connection. And then judging whether the current software version is the same as the target software version. If the current software version is the same as the target software version, indicating that the version of the software of the electronic control unit is the version to which the software of the electronic control unit needs to be upgraded, and determining that the software of the electronic control unit does not need to be upgraded, wherein the software upgrading condition is not met by the electronic control unit. If the current software version is different from the target software version, which indicates that the version of the software of the electronic control unit is not the version to which the software of the electronic control unit needs to be upgraded, and the electronic control unit is determined to meet the software upgrading condition.
Step 102, after detecting that the electronic control unit meets the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol.
Alternatively, the target software version is the latest version of software for implementing the functions of controlling the components provided on the vehicle. Each other version than the target software version is one or more versions earlier than the target software version. The upgrade server is a server for storing software upgrade files corresponding to respective other versions except for a target software version.
Optionally, the software upgrade file corresponding to each other version is a file for storing an upgrade instruction set corresponding to the other version. The upgrade instruction set corresponding to the other version is made up of all instructions that the electronic control unit needs to execute in the process of upgrading the version of the software of the electronic control unit from the other version to the target software version. The instruction that each electronic control unit needs to execute in the process of upgrading the software version of the electronic control unit from other versions to the target software version is an upgrading instruction. In general, the electronic control unit successfully executes all the upgrade instructions in the upgrade instruction sets corresponding to the other versions according to the execution sequence of each upgrade instruction in the upgrade instruction sets corresponding to the other versions, so that the version of the software of the electronic control unit can be upgraded from the other versions to the target software version.
Optionally, the developer stores each other version except the target software version, and the software upgrade file corresponding to each other version except the target software version, to the upgrade server.
Optionally, the software upgrade file corresponding to the electronic control unit is a software upgrade file corresponding to a current software version of the electronic control unit, that is, a file for storing an upgrade instruction set corresponding to the current software version of the electronic control unit. The upgrade instruction set corresponding to the current software version of the electronic control unit is composed of all instructions that the electronic control unit needs to execute in the process of upgrading the version of the software of the electronic control unit from the current software version to the target software version. The instruction that each electronic control unit needs to execute in the process of upgrading the software version of the electronic control unit from the current software version to the target software version is an upgrading instruction. In general, the electronic control unit successfully executes all the upgrade instructions in the upgrade instruction set corresponding to the current software version according to the execution sequence of each upgrade instruction in the upgrade instruction set corresponding to the current software version, so that the software version of the electronic control unit can be upgraded from the current software version to the target software version. Therefore, after the electronic control unit is detected to meet the software upgrading condition, a software upgrading file corresponding to the electronic control unit is obtained from an upgrading server according to a preset communication protocol, so that the software of the electronic control unit is upgraded according to the software upgrading file, and the software of the electronic control unit is upgraded to the target software version.
Optionally, the obtaining, according to a preset communication protocol, a software upgrade file corresponding to the electronic control unit from an upgrade server includes: establishing communication connection with an upgrade server according to a preset communication protocol; and acquiring the software upgrading file corresponding to the electronic control unit from the software upgrading files corresponding to the other versions except the target software version stored in the upgrading server based on the established communication connection.
Optionally, the preset communication protocol is a communication protocol set in the electronic device for establishing a communication connection with the upgrade server. The electronic equipment can establish communication connection with the upgrade server according to a preset communication protocol, and then performs information interaction with the upgrade server based on the established communication connection to acquire a software upgrade file corresponding to the electronic control unit. The preset communication protocol may be, for example, a unified diagnostic service (Unified Diagnostic Services, UDS) protocol, and may also be a diagnostic communication (Diagnostic communication over Internet Protocol, doIP) protocol over a network protocol.
Optionally, based on the established communication connection, the software upgrade file corresponding to the electronic control unit is obtained from the software upgrade files corresponding to the versions other than the target software version stored in the upgrade server, including: and inquiring other versions which are the same as the current software version in other versions except the target software version and stored in the upgrading server based on the established communication connection, and acquiring a software upgrading file corresponding to the other versions. The target other version is the same other version as the current software version. And the software upgrading file corresponding to the other versions of the target is the software upgrading file corresponding to the electronic control unit.
And step 103, upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to the target software version.
Optionally, upgrading the software of the electronic control unit according to the software upgrade file includes: backing up software data of the electronic control unit; extracting an upgrade instruction set corresponding to the electronic control unit from the software upgrade file; according to the execution sequence of each upgrade instruction in the upgrade instruction set, each upgrade instruction in the upgrade instruction set is respectively sent to the electronic control unit, so that the electronic control unit sequentially executes each upgrade instruction in the upgrade instruction set and feeds back execution success response information or execution failure response information; and when receiving the execution failure response information fed back by the electronic control unit, determining that the software upgrading of the electronic control unit fails.
Optionally, the software data of the electronic control unit are all data related to the software of the electronic control unit in the electronic control unit. The electronic equipment acquires the software data of the electronic control unit from the electronic control unit, and stores the software data of the electronic control unit to a preset storage position, so that the software data of the electronic control unit is backed up. The preset storage location may be a data storage file in the electronic device. The data storage file is a file provided in the electronic device for storing software data of the electronic control unit.
Optionally, the upgrade instruction set corresponding to the current software version of the electronic control unit in the software upgrade file is an upgrade instruction set corresponding to the electronic control unit. And extracting an upgrade instruction set corresponding to the electronic control unit from the software upgrade file. The upgrade instruction set corresponding to the electronic control unit is composed of all instructions that the electronic control unit needs to execute in the process of upgrading the version of the software of the electronic control unit from the current software version to the target software version. The instruction that each electronic control unit needs to execute in the process of upgrading the software version of the electronic control unit from the current software version to the target software version is an upgrading instruction.
Optionally, the upgrade instructions are arranged according to the execution sequence. The execution sequence is the sequence of the execution of the upgrade instructions by the electronic control unit. The electronic control unit needs the first executed upgrade instruction to be ordered first. The electronic control unit requires the second executed upgrade instruction to be queued at the second location. Similarly, the electronic control unit needs the last executed upgrade instruction to be ordered in the last bit. And reading each upgrade instruction in turn according to the execution sequence of each upgrade instruction in the upgrade instruction set, namely, reading from the upgrade instruction arranged at the first position.
Optionally, reading each upgrade instruction sequentially according to the execution sequence of each upgrade instruction in the upgrade instruction set; determining the currently read upgrade instruction as a target upgrade instruction, and sending the target upgrade instruction to the electronic control unit; if receiving successful response information of execution fed back by the electronic control unit aiming at the target upgrading instruction, continuing to sequentially read the next upgrading instruction according to the execution sequence of each upgrading instruction in the upgrading instruction set until finishing the processing of all the upgrading instructions in the upgrading instruction set; if the execution failure response information fed back by the electronic control unit aiming at the target upgrading instruction is received, determining that the software upgrading of the electronic control unit fails, stopping executing the operation of reading each upgrading instruction in sequence according to the execution sequence of each upgrading instruction in the upgrading instruction set, and not processing the upgrading instructions arranged behind the target upgrading instruction. After receiving the target upgrading instruction, the electronic control unit executes the target upgrading instruction; if the target upgrading instruction is successfully executed, the electronic control unit feeds back the successful execution response information to the electronic equipment; if the target upgrading instruction fails to be executed, the electronic control unit feeds back the execution failure response information to the electronic equipment;
Optionally, the execution success response information is information set in the electronic control unit for indicating that the upgrade instruction is successfully executed. The execution failure response information is information set in the electronic control unit for indicating that the upgrade instruction has failed to be executed.
Optionally, if the response information of the electronic control unit to the execution success fed back by the target upgrade instruction is received, which indicates that the electronic control unit has successfully executed the target upgrade instruction, the electronic control unit may continue to execute the next upgrade instruction, and the software upgrade process of the electronic control unit is performed normally, and then the next upgrade instruction is read sequentially according to the execution sequence of each upgrade instruction in the upgrade instruction set until the processing of all upgrade instructions in the upgrade instruction set is completed.
Optionally, if the execution failure response information fed back by the electronic control unit for the target upgrade instruction is received, it indicates that the electronic control unit cannot execute the target upgrade instruction, and the execution of the target upgrade instruction fails, and an abnormality occurs in a software upgrade process of upgrading software of the electronic control unit according to the software upgrade file, so that a version of the software of the electronic control unit cannot be upgraded from a current software version to a target software version, and the software upgrade of the electronic control unit fails. Therefore, if the execution failure response information fed back by the electronic control unit aiming at the target upgrading instruction is received, determining that the software upgrading of the electronic control unit fails, stopping executing the operation of reading each upgrading instruction in turn according to the execution sequence of each upgrading instruction in the upgrading instruction set, and not processing the upgrading instructions arranged behind the target upgrading instruction.
Optionally, after determining that the software upgrade of the electronic control unit fails, the method further includes: and providing preset upgrade failure prompt information for the target user through the display device.
Alternatively, the display device may be a display screen provided in the vehicle. The target user will view the information displayed by the display device. The electronic equipment establishes communication connection with the display device, and information interaction can be performed based on the established communication connection. The preset upgrade failure prompt information is a prompt information for indicating that an abnormality occurs in a software upgrade process of upgrading the software of the electronic control unit according to the software upgrade file, and that the version of the software of the electronic control unit cannot be upgraded from a current software version to a target software version. Providing a preset upgrade failure prompt message to a target user through a display device, wherein the method comprises the following steps: sending preset upgrade failure prompt information to a display device; after receiving the preset upgrade failure prompt information, the display device displays the preset upgrade failure prompt information, so that the preset upgrade failure prompt information is provided for a target user.
Optionally, after sending each upgrade instruction in the upgrade instruction set to the electronic control unit according to the execution sequence of each upgrade instruction in the upgrade instruction set, the method further includes: and after receiving the execution success response information corresponding to all the upgrading instructions, determining that the software of the electronic control unit is successfully upgraded.
Optionally, the execution success response information corresponding to all the upgrade instructions includes execution success response information fed back for each upgrade instruction. The execution success response information fed back for each upgrade instruction is execution success response information fed back to the electronic device by the electronic control unit after successful execution of the upgrade instruction.
Optionally, in general, the electronic control unit successfully executes all the upgrade instructions in the upgrade instruction set corresponding to the current software version according to the execution sequence of each upgrade instruction in the upgrade instruction set corresponding to the current software version, so that the software version of the electronic control unit can be upgraded from the current software version to the target software version. If execution success response information corresponding to all the upgrading instructions is received, the electronic control unit feeds back the execution success response information after successfully executing each upgrading instruction, and the electronic control unit has successfully executed each upgrading instruction in the upgrading instruction set in turn, namely has upgraded the software version of the electronic control unit from the current software version to the target software version, and the software of the electronic control unit is successfully upgraded. Therefore, after receiving the execution success response information corresponding to all the upgrade instructions, it is determined that the software upgrade of the electronic control unit is successful. After the successful software upgrading of the electronic control unit is determined, the software upgrading process of the electronic control unit is determined to be ended.
Optionally, after receiving the execution success response information corresponding to all the upgrade instructions, the electronic device determines that the software of the electronic control unit is successfully upgraded, and then sends preset instruction execution ending prompt information to the electronic control unit. The preset instruction execution ending prompt information is a prompt information for indicating that the electronic control unit has successfully executed all upgrade instructions in the upgrade instruction set corresponding to the current software version and has upgraded the version of the software of the electronic control unit from the current software version to the target software version.
Step 104, after detecting that the software upgrading of the electronic control unit fails, acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script.
Optionally, after detecting that the software upgrading of the electronic control unit fails, that is, after determining that an abnormality occurs in a software upgrading process of upgrading the software of the electronic control unit according to the software upgrading file, the software of the electronic control unit cannot be upgraded from a current software version to a target software version, acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script, so as to re-upgrade the software of the electronic control unit to the target software version.
Optionally, acquiring a software upgrade script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrade script, including: according to the backed-up software data, carrying out data recovery on the software of the electronic control unit; acquiring a software upgrading script corresponding to the electronic control unit according to the current software version of the electronic control unit; and sending the software upgrading script to the electronic control unit so that the electronic control unit runs the software upgrading script to upgrade the software of the electronic control unit and upgrade the software of the electronic control unit to the target software version.
Optionally, the backed-up software data is all data related to the software of the electronic control unit in the electronic control unit before the software of the electronic control unit is upgraded according to the software upgrade file.
Optionally, according to the backed-up software data, performing data recovery on the software of the electronic control unit, including: the following is performed for each data in the electronic control unit related to the software of the electronic control unit: extracting data before the software of the electronic control unit is upgraded according to the software upgrading file from the backed-up software data; and replacing the data at the current moment with the extracted data, so that the data is restored to be the data before the software of the electronic control unit is upgraded according to the software upgrade file.
Therefore, each data related to the software of the electronic control unit in the electronic control unit is restored to each data before the software of the electronic control unit is upgraded according to the software upgrading file, the version of the software which is installed in the electronic control unit at the current moment and is used for realizing the function of controlling the components arranged on the vehicle is still the current software version, and the failed software upgrading process is prevented from affecting the performance of the software of the electronic control unit.
Optionally, a software upgrade script corresponding to each other version except the target software version is stored in the preset database. The preset database is a database for storing a software upgrade script. The software upgrade script corresponding to each other version is a script for upgrading the version of the software of the electronic control unit from the other version to the target software version. In general, the electronic control unit runs a software upgrade script corresponding to other versions, and after the running of the software upgrade script is finished, the version of the software of the electronic control unit can be upgraded from the other versions to the target software version.
Optionally, the developer stores each other version except the target software version, and the software upgrading script corresponding to each other version except the target software version in the preset database.
Optionally, the software upgrade script corresponding to the electronic control unit is a software upgrade script corresponding to a current software version of the electronic control unit, i.e. a script for upgrading a version of software of the electronic control unit from the current software version to a target software version. In general, the electronic control unit runs a software upgrade script corresponding to the current software version, and after the running of the software upgrade script is finished, the version of the software of the electronic control unit can be upgraded from the current software version to the target software version. Therefore, after detecting that the software of the electronic control unit fails to be upgraded, namely, after determining that the software upgrading process of upgrading the software of the electronic control unit according to the software upgrading file is abnormal, the version of the software of the electronic control unit cannot be upgraded from the current software version to the target software version, acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script, so as to re-upgrade the software version of the electronic control unit to the target software version.
Optionally, the electronic device establishes a communication connection with a preset database, and information interaction can be performed with the preset database based on the established communication connection, so as to obtain a software upgrading script corresponding to the electronic control unit.
Optionally, according to the current software version of the electronic control unit, acquiring a software upgrade script corresponding to the electronic control unit includes: querying other versions which are the same as the current software version in other versions which are stored in a preset database and are different from the target software version; and acquiring software upgrading scripts corresponding to other versions of the target. The target other version is the same other version as the current software version. And the software upgrading script corresponding to the other versions of the target is the software upgrading script corresponding to the electronic control unit.
Optionally, the software upgrade script is sent to the electronic control unit. And the electronic control unit runs the software upgrading script after receiving the software upgrading script. After the running of the software upgrading script is finished, the electronic control unit upgrades the version of the software of the electronic control unit from the current software version to the target software version, and then feeds back preset upgrading success prompt information to the electronic equipment. The preset upgrade success prompt information is prompt information for indicating that the version of the software of the electronic control unit has been upgraded from the current software version to the target software version.
Optionally, after receiving the preset upgrade success prompt information fed back by the electronic control unit, the electronic device determines that the software of the electronic control unit is upgraded successfully, and determines that the software upgrading process of the electronic control unit is finished.
Optionally, after acquiring the software upgrade file corresponding to the electronic control unit from the upgrade server according to a preset communication protocol, the method further includes: and acquiring the upgrading state of the electronic control unit at fixed time, and providing the upgrading state for a target user through a display device.
Alternatively, the upgrade status of the electronic control unit may be information provided in the electronic control unit for characterizing whether the electronic control unit is performing a software upgrade, and the result or progress of the software upgrade process. The upgrade status of the electronic control unit may be in the process of upgrade, successful, re-upgrade, or no upgrade.
Optionally, the upgrade status of the electronic control unit is in upgrade, indicating that the electronic control unit is performing a software upgrade. The upgrade status of the electronic control unit is upgrade success, which indicates that the software of the electronic control unit is upgrade success. The upgrade state of the electronic control unit is re-upgrade, which indicates that the software upgrade process is in a stage of re-upgrading the software of the electronic control unit according to the software upgrade script after determining that the software upgrade process of the software of the electronic control unit according to the software upgrade file is abnormal and the version of the software of the electronic control unit cannot be upgraded from the current software version to the target software version. The upgrade status of the electronic control unit is that no upgrade is performed, which indicates that the electronic control unit has not performed software upgrade within a preset time period. The preset duration can be set according to the service requirement. The preset duration is, for example, 24 hours.
Optionally, after receiving the upgrade instruction, the electronic control unit updates the upgrade status of the electronic control unit into upgrade. After receiving preset instruction execution ending prompt information or detecting that the running of the software upgrading script is ended, the electronic control unit updates the upgrading state of the electronic control unit into upgrading success. After receiving the software upgrading script, the electronic control unit updates the upgrading state of the electronic control unit to be upgraded again. After detecting that the upgrade instruction or the software upgrade script is not received within the preset time, the electronic control unit updates the upgrade state of the electronic control unit to be not upgraded.
Optionally, the step of periodically acquiring the upgrade status of the electronic control unit includes: and acquiring the upgrading state of the electronic control unit from the electronic control unit at regular time according to a preset time interval. The preset time interval may be set according to the service requirement. The electronic equipment executes the operation of acquiring the upgrade state of the electronic control unit from the electronic control unit once at preset time intervals. The preset time interval is, for example, 5 seconds.
Optionally, the providing the upgrade status to the target user through the display device includes: transmitting the preset upgrading state to a display device; and the display device displays the upgrade state after receiving the upgrade state, so that the upgrade state is provided for a target user. The display device may be a display screen provided in the vehicle. The target user will view the information displayed by the display device. The electronic equipment establishes communication connection with the display device, and information interaction can be performed based on the established communication connection.
According to the technical scheme, after a software upgrading request corresponding to the electronic control unit is received, whether the electronic control unit meets a software upgrading condition or not is detected according to the current software version and the target software version of the electronic control unit; after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol; upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to a target software version; after the failure of the software upgrading of the electronic control unit is detected, a software upgrading script corresponding to the electronic control unit is obtained, the software of the electronic control unit is upgraded again according to the software upgrading script, the problem that the software of the electronic control unit is directly restored to the last software version and cannot be upgraded to the appointed software version under the condition that the failure of the upgrading is detected by the software upgrading scheme of the electronic control unit in the related art is solved, and the beneficial effects that the software upgrading process of the software of the electronic control unit can be abnormal and cannot be upgraded from the current software version to the target software version after the abnormality of the software upgrading process of the software of the electronic control unit is determined, and the efficiency and the success rate of the software upgrading process of the electronic control unit are improved are obtained.
Example two
Fig. 2 is a flowchart of a software upgrading method of an electronic control unit according to a second embodiment of the present invention. Embodiments of the invention may be combined with various alternatives to one or more of the embodiments described above. As shown in fig. 2, the method includes:
step 201, after receiving a software upgrade request corresponding to an electronic control unit, detecting whether the electronic control unit meets a software upgrade condition according to a current software version and a target software version of the electronic control unit.
Step 202, after detecting that the electronic control unit meets a software upgrading condition, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol.
And 203, backing up the software data of the electronic control unit.
And 204, extracting an upgrade instruction set corresponding to the electronic control unit from the software upgrade file.
Step 205, according to the execution sequence of each upgrade instruction in the upgrade instruction set, each upgrade instruction in the upgrade instruction set is sent to the electronic control unit, so that the electronic control unit sequentially executes each upgrade instruction in the upgrade instruction set, and feeds back execution success response information or execution failure response information.
And 206, determining that the software upgrading of the electronic control unit fails when the execution failure response information fed back by the electronic control unit is received.
And 207, recovering the data of the software of the electronic control unit according to the backed-up software data.
And step 208, acquiring a software upgrading script corresponding to the electronic control unit according to the current software version of the electronic control unit.
Step 209, sending the software upgrade script to the electronic control unit, so that the electronic control unit runs the software upgrade script to upgrade the software of the electronic control unit, and upgrade the software of the electronic control unit to the target software version.
According to the technical scheme, after the situation that the software upgrading process of upgrading the software of the electronic control unit according to the software upgrading file is abnormal and the version of the software of the electronic control unit cannot be upgraded from the current software version to the target software version is determined, the software upgrading script corresponding to the electronic control unit is obtained, the software of the electronic control unit is upgraded again according to the software upgrading script, and the efficiency and the success rate of the software upgrading process of the electronic control unit are improved.
Example III
Fig. 3 is a schematic structural diagram of a software upgrading apparatus for an electronic control unit according to a third embodiment of the present invention. The apparatus may be configured in an electronic device. As shown in fig. 3, the apparatus includes: an upgrade detection module 301, a file acquisition module 302, a software upgrade module 303, and an upgrade failure processing module 304.
The upgrade detection module 301 is configured to detect, after receiving a software upgrade request corresponding to an electronic control unit, whether the electronic control unit meets a software upgrade condition according to a current software version and a target software version of the electronic control unit; the file obtaining module 302 is configured to obtain, from an upgrade server, a software upgrade file corresponding to the electronic control unit according to a preset communication protocol after detecting that the electronic control unit meets a software upgrade condition; a software upgrade module 303, configured to upgrade the software of the electronic control unit according to the software upgrade file, and upgrade the software of the electronic control unit to the target software version; and the upgrade failure processing module 304 is configured to obtain a software upgrade script corresponding to the electronic control unit after detecting that the software upgrade of the electronic control unit fails, and upgrade the software of the electronic control unit according to the software upgrade script.
According to the technical scheme, after a software upgrading request corresponding to the electronic control unit is received, whether the electronic control unit meets a software upgrading condition or not is detected according to the current software version and the target software version of the electronic control unit; after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol; upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to a target software version; after the failure of the software upgrading of the electronic control unit is detected, a software upgrading script corresponding to the electronic control unit is obtained, the software of the electronic control unit is upgraded again according to the software upgrading script, the problem that the software of the electronic control unit is directly restored to the last software version and cannot be upgraded to the appointed software version under the condition that the failure of the upgrading is detected by the software upgrading scheme of the electronic control unit in the related art is solved, and the beneficial effects that the software upgrading process of the software of the electronic control unit can be abnormal and cannot be upgraded from the current software version to the target software version after the abnormality of the software upgrading process of the software of the electronic control unit is determined, and the efficiency and the success rate of the software upgrading process of the electronic control unit are improved are obtained.
In an optional implementation manner of the embodiment of the present invention, optionally, the software upgrading apparatus of the electronic control unit further includes: the upgrade state providing module is used for acquiring the upgrade state of the electronic control unit at fixed time and providing the upgrade state for a target user through the display device.
In an optional implementation manner of the embodiment of the present invention, optionally, when performing an operation of upgrading software of the electronic control unit according to the software upgrade file, the software upgrade module 303 is specifically configured to: backing up software data of the electronic control unit; extracting an upgrade instruction set corresponding to the electronic control unit from the software upgrade file; according to the execution sequence of each upgrade instruction in the upgrade instruction set, each upgrade instruction in the upgrade instruction set is respectively sent to the electronic control unit, so that the electronic control unit sequentially executes each upgrade instruction in the upgrade instruction set and feeds back execution success response information or execution failure response information; and when receiving the execution failure response information fed back by the electronic control unit, determining that the software upgrading of the electronic control unit fails.
In an optional implementation manner of the embodiment of the present invention, optionally, when executing the operation of obtaining a software upgrade script corresponding to the electronic control unit and re-upgrading the software of the electronic control unit according to the software upgrade script, the upgrade failure processing module 304 is specifically configured to: according to the backed-up software data, carrying out data recovery on the software of the electronic control unit; acquiring a software upgrading script corresponding to the electronic control unit according to the current software version of the electronic control unit; and sending the software upgrading script to the electronic control unit so that the electronic control unit runs the software upgrading script to upgrade the software of the electronic control unit and upgrade the software of the electronic control unit to the target software version.
In an optional implementation of the embodiment of the present invention, optionally, the software upgrade module 303 is further configured to: and after receiving the execution success response information corresponding to all the upgrading instructions, determining that the software of the electronic control unit is successfully upgraded.
In an optional implementation of the embodiment of the present invention, optionally, the software upgrade module 303 is further configured to: and providing preset upgrade failure prompt information for the target user through the display device.
In an optional implementation manner of the embodiment of the present invention, optionally, when the upgrade detection module 301 performs an operation of detecting whether the electronic control unit meets a software upgrade condition according to a current software version and a target software version of the electronic control unit, the upgrade detection module is specifically configured to: judging whether the current software version is the same as the target software version; if the current software version is the same as the target software version, determining that the electronic control unit does not meet a software upgrading condition; and if the current software version is different from the target software version, determining that the electronic control unit meets the software upgrading condition.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
The software upgrading device of the electronic control unit can execute the software upgrading method of the electronic control unit provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the software upgrading method of the electronic control unit.
Example IV
Fig. 4 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement the software upgrade method of the electronic control unit of an embodiment of the present invention. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 4, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program built into the Random Access Memory (RAM) 13 from the storage unit 18. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as a software upgrade method for an electronic control unit.
In some embodiments, the software upgrade method of the electronic control unit may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When a computer program is built into RAM 13 and executed by processor 11, one or more steps of the software upgrade method of the electronic control unit described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the software upgrade method of the electronic control unit in any other suitable way (e.g. by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
The computer program for implementing the software upgrading method of the electronic control unit of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. A method for upgrading software of an electronic control unit, comprising:
after receiving a software upgrading request corresponding to an electronic control unit, detecting whether the electronic control unit meets a software upgrading condition according to the current software version and the target software version of the electronic control unit;
after the electronic control unit is detected to meet the software upgrading conditions, acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol;
Upgrading the software of the electronic control unit according to the software upgrading file, and upgrading the software of the electronic control unit to the target software version;
after detecting that the software upgrading of the electronic control unit fails, acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script.
2. The software upgrading method of an electronic control unit according to claim 1, further comprising, after acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol:
and acquiring the upgrading state of the electronic control unit at fixed time, and providing the upgrading state for a target user through a display device.
3. The method for upgrading software of an electronic control unit according to claim 1, wherein upgrading software of the electronic control unit according to the software upgrade file comprises:
backing up software data of the electronic control unit;
extracting an upgrade instruction set corresponding to the electronic control unit from the software upgrade file;
According to the execution sequence of each upgrade instruction in the upgrade instruction set, each upgrade instruction in the upgrade instruction set is respectively sent to the electronic control unit, so that the electronic control unit sequentially executes each upgrade instruction in the upgrade instruction set and feeds back execution success response information or execution failure response information;
and when receiving the execution failure response information fed back by the electronic control unit, determining that the software upgrading of the electronic control unit fails.
4. A software upgrading method of an electronic control unit according to claim 3, wherein acquiring a software upgrading script corresponding to the electronic control unit, and re-upgrading the software of the electronic control unit according to the software upgrading script, comprises:
according to the backed-up software data, carrying out data recovery on the software of the electronic control unit;
acquiring a software upgrading script corresponding to the electronic control unit according to the current software version of the electronic control unit;
and sending the software upgrading script to the electronic control unit so that the electronic control unit runs the software upgrading script to upgrade the software of the electronic control unit and upgrade the software of the electronic control unit to the target software version.
5. A software upgrading method according to claim 3, further comprising, after each upgrade instruction in the upgrade instruction set is sent to the electronic control unit according to the execution sequence of each upgrade instruction in the upgrade instruction set, respectively:
and after receiving the execution success response information corresponding to all the upgrading instructions, determining that the software of the electronic control unit is successfully upgraded.
6. A software upgrading method for an electronic control unit according to claim 3, further comprising, after determining that the software upgrade of the electronic control unit failed:
and providing preset upgrade failure prompt information for the target user through the display device.
7. The software upgrade method of an electronic control unit according to claim 1, wherein detecting whether the electronic control unit satisfies a software upgrade condition according to a current software version and a target software version of the electronic control unit, comprises:
judging whether the current software version is the same as the target software version;
if the current software version is the same as the target software version, determining that the electronic control unit does not meet a software upgrading condition;
And if the current software version is different from the target software version, determining that the electronic control unit meets the software upgrading condition.
8. A software upgrade apparatus for an electronic control unit, comprising:
the upgrade detection module is used for detecting whether the electronic control unit meets the software upgrade condition according to the current software version and the target software version of the electronic control unit after receiving the software upgrade request corresponding to the electronic control unit;
the file acquisition module is used for acquiring a software upgrading file corresponding to the electronic control unit from an upgrading server according to a preset communication protocol after the electronic control unit is detected to meet the software upgrading condition;
the software upgrading module is used for upgrading the software of the electronic control unit according to the software upgrading file and upgrading the software of the electronic control unit to the target software version;
and the upgrade failure processing module is used for acquiring a software upgrade script corresponding to the electronic control unit after detecting that the software upgrade of the electronic control unit fails, and re-upgrading the software of the electronic control unit according to the software upgrade script.
9. An electronic device, the electronic device comprising:
at least one processor;
and a memory communicatively coupled to the at least one processor network;
wherein the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the software upgrade method of the electronic control unit of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the method of software upgrading an electronic control unit according to any of claims 1-7.
CN202310628353.5A 2023-05-30 2023-05-30 Software upgrading method, device, equipment and medium of electronic control unit Pending CN116450183A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310628353.5A CN116450183A (en) 2023-05-30 2023-05-30 Software upgrading method, device, equipment and medium of electronic control unit

Publications (1)

Publication Number Publication Date
CN116450183A true CN116450183A (en) 2023-07-18

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Country Link
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