WO2022095199A1 - Procédé de mise à niveau différentielle pour dispositif intégré et composants associés - Google Patents

Procédé de mise à niveau différentielle pour dispositif intégré et composants associés Download PDF

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Publication number
WO2022095199A1
WO2022095199A1 PCT/CN2020/134831 CN2020134831W WO2022095199A1 WO 2022095199 A1 WO2022095199 A1 WO 2022095199A1 CN 2020134831 W CN2020134831 W CN 2020134831W WO 2022095199 A1 WO2022095199 A1 WO 2022095199A1
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Prior art keywords
version
upgrade
firmware
difference
embedded device
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PCT/CN2020/134831
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English (en)
Chinese (zh)
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刘向伦
陆楷文
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歌尔股份有限公司
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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
    • G06F8/658—Incremental updates; Differential updates
    • 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

Definitions

  • the present application relates to the technical field of embedded systems, and in particular, to a differential upgrade method, apparatus, system, electronic device and storage medium for embedded devices.
  • Embedded devices are application-centric, and through modern computer technology, the software and hardware are tailored to suit specific application environments. Embedded devices have been used in daily life, and they can be flexibly controlled in terms of function, cost, size, power consumption, reliability, etc., such as smartphones, wearable devices, wireless headsets, speakers, set-top boxes, and vehicle-mounted devices of embedded devices.
  • the differential upgrade means that the device downloads the upgrade package content according to the difference between the current firmware data and the firmware data to be upgraded in the upgrade package, and then only covers the difference in the local old version of the device.
  • the current differential upgrade method of embedded devices cannot meet the problem that there are multiple old versions on the market that need to be quickly upgraded.
  • the user's current embedded device version number is V3. If you want to upgrade to V6, you can only upgrade to V6 version by version, that is, V3 is first upgraded to V4, then upgraded to V5, and finally upgraded to In the V6 version, this method is cumbersome, and it will also result in a waste of cost and resources, and the user experience will be degraded.
  • the purpose of the present application is to provide a differential upgrade method for an embedded device, which can realize that the embedded device can be upgraded from the current firmware version to the specified upgrade firmware version only by performing a differential upgrade once.
  • the user's upgrade operation can also be optimized, that is, there is no need for the user to request to download the version difference table corresponding to other firmware versions, and only based on the version difference set, any firmware version can be differentially upgraded to the specified upgrade firmware version. Its specific plan is as follows:
  • the present application discloses a differential upgrade method for an embedded device, including:
  • the version difference set sent by the upgrade server; the version difference set stores the difference information between each firmware version;
  • the firmware data sent by the upgrade server is received, and the firmware data of the difference location is updated according to the firmware data.
  • determine the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and confirm the difference position according to the difference information including:
  • the position of the specific element value in the version difference information is confirmed, and the position is determined as the difference position.
  • the method before determining the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and confirming the difference position according to the version difference information, the method further includes:
  • the step of determining the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and confirming the difference position according to the version difference information is performed.
  • the upgrade server before obtaining the version difference set sent by the upgrade server, it also includes:
  • the step of obtaining the version difference set sent by the upgrade server is performed.
  • the method further includes:
  • a differential upgrade device for embedded equipment including:
  • an acquisition module for acquiring the version difference set sent by the upgrade server;
  • the version difference set stores the difference information between each firmware version;
  • a determining module configured to determine the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and confirm the difference position according to the version difference information
  • a sending module configured to send a download request of firmware data to the upgrade server according to the difference position
  • a receiving module configured to receive firmware data sent by the upgrade server, and update the firmware data of the difference location according to the firmware data.
  • the determining module includes:
  • a first determining unit configured to confirm the version difference information corresponding to the current firmware version of the embedded device and the designated upgrade firmware from the Bit-map table corresponding to the version difference set;
  • the second determining unit is configured to confirm the location of the specific element value in the version difference information, and determine the location as the difference location.
  • the present application discloses a differential upgrade system for embedded devices, including:
  • the embedded device is used to implement the steps of the above-mentioned differential upgrade method for the embedded device when executing the embedded device program.
  • an electronic device comprising:
  • Memory for storing embedded device programs
  • the processor is configured to implement the steps of the above-mentioned differential upgrade method for the embedded device when executing the embedded device program.
  • the present application discloses a storage medium, on which an embedded device program is stored, and when the embedded device program is executed by a processor, the steps of the above-mentioned differential upgrade method for an embedded device are implemented.
  • the present application provides a differential upgrade method for an embedded device, including: acquiring a version difference set sent by an upgrade server; the version difference set stores difference information between firmware versions; determining an embedded device according to the version difference set The version difference information corresponding to the current firmware version and the specified upgrade firmware version, and confirm the difference position according to the difference information; send a download request of firmware data to the upgrade server according to the difference position; receive the firmware sent by the upgrade server data, and update the firmware data of the difference location according to the firmware data.
  • the present application determines the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and then determines the difference position according to the version difference information, and updates the firmware data of the difference position. Since the difference information corresponding to the current firmware version and the specified upgrade firmware version is stored in the version difference set, the embedded device can be upgraded from the current firmware version to the specified upgrade firmware version by only performing a differential upgrade according to the version difference set. Also, because the version difference set stores the difference information between each firmware version and the specified upgrade firmware version, the user can directly upgrade any firmware version to the latest version according to the version difference set, which can optimize the user's upgrade operation without requiring the user to download other firmware.
  • the version difference table corresponding to the firmware version can realize the upgrade of any firmware version, avoiding the need to upgrade to the specified upgrade firmware version version by version in the related technology, and the tedious upgrade process. It saves resources and costs, and effectively reduces the complexity of version management. Improve the upgrade efficiency and improve the user experience.
  • the present application also provides a differential upgrade apparatus for embedded devices, a differential upgrade system for embedded devices, an electronic device and a storage medium, which have the above beneficial effects and will not be repeated here.
  • FIG. 1 is a flowchart of a differential upgrade method for an embedded device provided by an embodiment of the present application
  • FIG. 2 is a flowchart of making a differential upgrade package according to an embodiment of the present application
  • FIG. 3 is an explanatory diagram of a generation principle of a version difference table provided by an embodiment of the present application.
  • FIG. 4 is a style diagram of a differential upgrade package provided by an embodiment of the present application.
  • full upgrade means that the device downloads all the upgrade package contents and completely covers the old local version of the device.
  • the full upgrade can ensure that all new firmware data are downloaded completely and accurately, but the problem is that as the firmware data of embedded devices becomes larger and larger, the full upgrade takes too long, resulting in a degraded user experience.
  • the current differential upgrade of embedded devices makes up for the shortcomings of the full upgrade method, but also has the disadvantage of cumbersome upgrade methods and waste of cost and resources. That is, users want to upgrade to a specified firmware version based on the current embedded device version. Need to upgrade step by step.
  • this embodiment provides a differential upgrade method for an embedded device, which can realize that the embedded device can be upgraded from a current firmware version to a specified upgrade firmware version only by performing a differential upgrade once. It can also optimize the user's upgrade operation, that is, there is no need for the user to request to download the version difference table corresponding to other firmware versions. Only according to the version difference set, any firmware version can be directly differentially upgraded to the specified upgrade firmware version at one time.
  • the specified upgrade firmware version in this embodiment generally refers to the latest firmware version.
  • FIG. 1 is a flowchart of a differential upgrade method for an embedded device provided by an embodiment of the present application, which specifically includes:
  • the execution body of this embodiment is an embedded device.
  • this embodiment does not limit the timing for the embedded device to obtain the version difference set, that is, does not limit the timing for the differential upgrade of the embedded device.
  • the embedded device may actively send a differential upgrade command to obtain the version difference set, or it may be received. When the latest firmware push message delivered by the upgrade server is reached, the version difference collection is obtained.
  • This embodiment does not limit the specific content of the differential upgrade instruction, which may include the current firmware version information of the embedded device and the specified upgrade firmware version information, or other contents.
  • This embodiment does not limit the storage form of the version difference set, which may be stored in the form of a version difference table, or may be stored in other forms, which may be set according to actual conditions. It can be understood that the difference information between the firmware versions is stored in the version difference set.
  • the differential upgrade can be performed according to the difference information of the corresponding version in the version difference set.
  • the latest firmware version is V4
  • the current firmware version of the embedded device may be V1 to V4
  • the version difference set stores the difference information between version V1 and version V4, which is recorded as V1-V4, and correspondingly, there are also V2-V4 , V3-V4.
  • any firmware version can be differentially upgraded to the specified upgrade firmware version.
  • the method may further include: receiving a push of the latest firmware issued by the upgrade server message; determine whether the version number of the current firmware version of the embedded device is smaller than the version number of the latest firmware; if it is smaller, execute the step of obtaining the version difference set sent by the upgrade server. That is, when the embedded device receives the push message of the latest firmware sent by the upgrade server, it determines whether the current embedded device firmware version is less than the version number of the latest firmware. When the current firmware version of the embedded device is less than the latest firmware version number, the Differential upgrade, and perform the get version difference set operation. It can automatically upgrade to the latest firmware version to improve the upgrade efficiency.
  • the version difference set stores the difference information between each firmware version.
  • the version difference information corresponding to the current firmware version and the specified upgrade firmware version from the version difference set, and Confirm the difference location based on the version difference information.
  • This embodiment does not limit the specific content of the version difference information, which may include the difference position, the element value corresponding to the difference position, or one or more of them, which can be set according to the actual situation.
  • the specific manner of determining the version difference information corresponding to the current firmware version and the specified upgrade firmware version is determined according to the storage method of the difference information in the version difference set, which is not limited in this embodiment.
  • the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version is determined according to the version difference set, and Confirming the difference position according to the difference information may include: confirming the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware from the Bit-map table corresponding to the version difference set; confirming the location of the specific element value in the version difference information, and Identify the location as the difference location. That is, the version difference set stores the difference information in the form of a Bit-map table, where the Bit-map refers to marking a value corresponding to an element with one bit.
  • version difference set in this embodiment different firmware versions are compared, and the data stored in the corresponding positions are different, and are marked as specific element values.
  • This embodiment does not limit the size of the specific element value, which may be 1 or other values, and the user may set it according to the actual situation.
  • This embodiment also does not limit the unit size of the comparison between versions, which may be in units of N bits for comparison in sequence, or may be in units of megabytes for comparison in sequence, which may be limited according to actual conditions.
  • V1, V2, V3, V4, V5 the latest firmware version
  • V6 the latest firmware version
  • the firmware data of the latest version V6 and the firmware data of the old version to support the upgrade are currently 5 released versions (V1, V2, V3, V4, V5) that need to be upgraded, and the latest firmware version is V6.
  • the version difference table, the differential upgrade package information header and the firmware data corresponding to the specified upgrade firmware version are used as a complete differential upgrade package for different versions of embedded devices to perform differential upgrades according to the differential upgrade package.
  • the differential upgrade package is composed of a differential upgrade information header, a version difference table, and firmware data of a specified upgrade version.
  • the version number to be upgraded is recorded in the information header of the differential upgrade package, that is, data such as the version number and version size of the specified upgrade firmware, as well as the verification information of the version difference set and the verification information of the firmware data corresponding to the specified upgrade firmware version.
  • FIG. 2 is a flow chart of making a differential upgrade package
  • FIG. 3 is a flow chart of making a differential upgrade package
  • FIG. 3 is an explanatory diagram of the generation principle of the version difference table. Among them, the light color indicates that there is no difference in the corresponding position of the version data, and the dark color indicates that the corresponding position of the version data is different. Reference may be made to FIG. 4 for the style of the differential upgrade package in this embodiment.
  • the differential upgrade is that the embedded device downloads the firmware data according to the difference between the current firmware version data and the specified upgrade firmware version, that is, according to the difference between the current firmware version data and the specified upgrade firmware version, the firmware data is sent to the upgrade server.
  • the download request that is, the difference position, has a one-to-one correspondence with the firmware data requested to be downloaded.
  • S104 Receive the firmware data sent by the upgrade server, and update the firmware data at the difference location according to the firmware data.
  • the upgrade server When the upgrade server receives the firmware data download request sent by the embedded device, it sends the firmware data at the difference location to the embedded device, and the embedded device receives the firmware data and overwrites the current firmware data at the difference location, and receives and completes the overwriting in sequence until All difference locations are overwritten, and the differential upgrade is completed to the specified upgrade firmware version.
  • the method may further include: storing version information of the updated firmware version. That is, after the firmware data corresponding to all the difference positions are overwritten, the current firmware version is updated to the specified upgraded firmware version, and the updated firmware version information is stored, which can improve the user's upgrade experience.
  • the present embodiment determines the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and then determines the version difference information to determine the difference position, and updates the firmware data of the difference position. It can realize that the embedded device can be upgraded from the current firmware version to the specified upgrade firmware version by only one differential upgrade. Further, the user's upgrade operation can also be optimized, that is, there is no need for the user to request to download the version difference table corresponding to other firmware versions, and only based on the version difference set, any firmware version can be differentially upgraded to the specified upgrade firmware version, effectively reducing cost resources. And version management complexity, shorten upgrade time, improve upgrade efficiency, and improve user upgrade experience.
  • this embodiment provides a differential upgrade method for an embedded device.
  • FIG. 5 is a schematic diagram of another embedded device provided by the embodiment of the application.
  • Flow chart of the differential upgrade method including:
  • the obtained version difference set is verified according to the verification information in the differential upgrade package information header.
  • This embodiment does not limit the verification algorithm, which can be selected according to the actual situation. It can be understood that when the version difference set is stored in the form of a table, it is recorded as a version difference table, and together with the information header of the differential upgrade package and the firmware data corresponding to the specified upgrade firmware version, it is used as a complete differential upgrade package for the embedding of different versions.
  • the type device performs the differential upgrade according to the differential upgrade package. Verifying the version difference table can ensure the credibility of the version difference set and improve the success rate and security of the differential upgrade.
  • this embodiment checks the version difference set according to the check information in the information header of the differential upgrade package. After the check is passed, it indicates that the download of the specified upgrade firmware version difference can be requested according to the version difference set.
  • the firmware data of the location is used to update the current firmware data of the difference location, which can ensure the credibility of the version difference set, improve the security of the differential upgrade, and improve the customer experience.
  • differential upgrade apparatus for an embedded device provided by an embodiment of the present application.
  • the differential upgrade apparatus for an embedded device described below and the differential upgrade method for an embedded device described above can be referred to each other correspondingly, and the relevant modules are set 6 is a schematic structural diagram of a differential upgrade apparatus for an embedded device provided by an embodiment of the present application, including:
  • the obtaining module 601 is used for obtaining the version difference set sent by the upgrade server; the version difference set stores the difference information between each firmware version;
  • a determination module 602 configured to determine the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware version according to the version difference set, and confirm the difference position according to the version difference information;
  • a sending module 603, configured to send a download request of firmware data to the upgrade server according to the difference position
  • the receiving module 604 is configured to receive the firmware data sent by the upgrade server, and update the firmware data of the difference location according to the firmware data.
  • the determining module 602 includes:
  • the first determination unit is used to confirm the version difference information corresponding to the current firmware version of the embedded device and the specified upgrade firmware from the Bit-map table corresponding to the version difference set;
  • the second determining unit is configured to confirm the location of the specific element value in the version difference information, and determine the location as the difference location.
  • it also includes:
  • the information header download module is used to send a download request of the information header of the differential upgrade package to the upgrade server;
  • the information header receiving module is used to receive the information header of the differential upgrade package sent by the upgrade server;
  • the verification module is used to verify the version difference set according to the verification information in the information header of the differential upgrade package.
  • it also includes:
  • the push message receiving module is used to receive the push message of the latest firmware issued by the upgrade server;
  • the judgment module is used to judge whether the version number of the current firmware version of the embedded device is smaller than the version number of the latest firmware.
  • it also includes:
  • the storage module is used to store the version information of the firmware version corresponding to the update.
  • This application provides an electronic device, including:
  • Memory for storing embedded device programs
  • the processor is configured to implement the steps of the above-mentioned differential upgrade method for the embedded device when executing the embedded device program.
  • the embodiments of the electronic device part correspond to the embodiments of the differential upgrade method part of the embedded device
  • the embodiments of the electronic device part refer to the description of the embodiments of the differential upgrade method part of the embedded device, which will not be repeated here.
  • the following describes a storage medium provided by an embodiment of the present application.
  • the storage medium described below and the differential upgrade method for an embedded device described above may refer to each other correspondingly.
  • the present application provides a storage medium on which an embedded device program is stored, and when the embedded device program is executed by a processor, the steps of the above-mentioned differential upgrade method for an embedded device are implemented.
  • the embodiment of the storage medium part corresponds to the embodiment of the method part, for the embodiment of the storage medium part, please refer to the description of the embodiment of the differential upgrade method part of the embedded device, which will not be repeated here.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein may be directly implemented in hardware, a software module executed by a processor, or a combination of the two.
  • the software module can be placed in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other in the technical field. in any other known form of storage medium.

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Abstract

Procédé, appareil et système de mise à niveau différentielle pour dispositif intégré, dispositif électronique et support d'enregistrement. Le procédé comprend : l'acquisition d'un ensemble de différences de versions envoyé par un serveur de mise à niveau, l'ensemble de différences de versions stockant des informations de différence entre diverses versions de micrologiciel (S101) ; en fonction de l'ensemble de différences de version, la détermination d'informations de différence de version correspondant à la version de micrologiciel actuelle d'un dispositif intégré et à une version de micrologiciel améliorée spécifiée, et la confirmation d'une position de différence en fonction des informations de différence de version (S102) ; en fonction de la position de différence, l'envoi d'une demande de téléchargement pour des données de micrologiciel au serveur de mise à niveau (S103) ; et la réception de données de micrologiciel envoyées par le serveur de mise à niveau, et selon les données de micrologiciel, la mise à jour des données de micrologiciel à la position de différence (S104). Au moyen du procédé, un dispositif intégré peut être mis à niveau à partir de la version de micrologiciel actuelle vers une version de micrologiciel améliorée spécifiée simplement en étant soumis à une mise à niveau différentielle une fois ; et une opération de mise à niveau d'un utilisateur peut également être optimisée, c'est-à-dire que l'utilisateur n'a pas besoin de demander de télécharger une table de différence de version correspondant à d'autres versions de micrologiciel.
PCT/CN2020/134831 2020-11-05 2020-12-09 Procédé de mise à niveau différentielle pour dispositif intégré et composants associés WO2022095199A1 (fr)

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CN116521210B (zh) * 2023-04-18 2024-05-03 宁夏隆基宁光仪表股份有限公司 一种物联网水表固件差量升级的方法

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