WO2023241444A1 - Procédé et appareil de mise à jour de programme, dispositif et support de stockage - Google Patents

Procédé et appareil de mise à jour de programme, dispositif et support de stockage Download PDF

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Publication number
WO2023241444A1
WO2023241444A1 PCT/CN2023/099067 CN2023099067W WO2023241444A1 WO 2023241444 A1 WO2023241444 A1 WO 2023241444A1 CN 2023099067 W CN2023099067 W CN 2023099067W WO 2023241444 A1 WO2023241444 A1 WO 2023241444A1
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WIPO (PCT)
Prior art keywords
program
boot program
update
client
storage area
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PCT/CN2023/099067
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English (en)
Chinese (zh)
Inventor
李芝炳
李帅
李伟亮
刘亚川
师浩浩
贾琪
Original Assignee
中国第一汽车股份有限公司
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Publication of WO2023241444A1 publication Critical patent/WO2023241444A1/fr

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • This application relates to the field of computer technology, for example, to a program update method, device, equipment and storage medium.
  • electric drive controllers generally use embedded control systems, including boot loader boot area software and application software, and the boot area software needs to be updated accordingly as the application software is upgraded.
  • the boot sector software is usually upgraded online through a bus.
  • this method has the risk of failing to flash the boot program, causing the electric drive controller to be unable to operate.
  • This application provides a program update method, device, equipment and storage medium to solve the problem of boot program flash failure, resulting in the inability of the electric drive controller to operate.
  • a program update method is provided, which is applied to an embedded controller.
  • the memory area of the embedded controller is divided into: a basic boot program fixed storage area, a client boot program storage area and an application storage area.
  • methods include:
  • a program update device which is applied to an embedded controller.
  • the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program Program storage area and application storage area, the device includes:
  • the detection module is set to execute the basic boot program and detect whether a program update request is received
  • the first update module is configured to execute, in response to receiving a program update request and the client boot program meets the update conditions, jump to run the client boot program for program update;
  • the second update module is configured to execute, in response to receiving a program update request and the client boot program does not meet the update conditions, continue to run the basic boot program for program update.
  • an electronic device includes:
  • At least one processor the processor is an embedded controller, and the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program storage area and application storage area; and
  • a memory communicatively connected to at least one processor; wherein,
  • the memory stores a computer program that can be executed by at least one processor, and the computer program is executed by at least one processor, so that at least one processor can execute the program update method of any embodiment of the present application.
  • a computer-readable storage medium stores computer instructions, and the computer instructions are used to implement the program update method of any embodiment of the present application when executed by a processor.
  • Figure 1 is a flow chart of a program update method provided according to Embodiment 1 of the present application.
  • Figure 2 is a flow chart of a program update method provided according to Embodiment 2 of the present application.
  • Figure 3 is a schematic structural diagram of a program update device provided according to Embodiment 3 of the present application.
  • Figure 4 is a schematic structural diagram of an electronic device that implements the program update method according to the embodiment of the present application.
  • Figure 1 is a flow chart of a program update method provided according to Embodiment 1 of the present application.
  • This embodiment can be applied to the situation of updating boot area programs and application programs through an embedded controller.
  • This method can be performed by a program update device.
  • the device can be implemented in the form of hardware and/or software, and the device can be configured in an electronic device including an embedded controller.
  • this method is applied to embedded controllers, including:
  • the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program storage area and application storage area.
  • the fixed storage area of the basic boot program stores the basic boot program.
  • the basic boot program is mainly responsible for updating the client boot program, and checking and jumping the status of each program storage area when the controller program is started.
  • the basic boot program occupies a small storage space and is generally not updated after function development and debugging. It is relatively stable and therefore is stored in a fixed memory area.
  • the client boot program is stored in the client boot program storage area.
  • the client boot program is mainly responsible for application updates, calibration data updates, and self-updates for the client boot program.
  • the client bootstrap is continually updated as the application is updated.
  • Application programs and calibration data are stored in the application storage area, which is mainly responsible for completing the main functions of the embedded controller so that the electric drive system can meet the performance requirements.
  • the programs stored in the application storage area will be continuously upgraded and updated according to user needs and possible functional defects of the application software.
  • the basic boot program fixed storage area is used as the basic boot area project.
  • the embedded controller When the embedded controller is powered on, it will first jump the program running area to the basic boot program fixed storage area, and run the basic boot program to detect the Whether there is a program update request sent by the host computer within the specified time.
  • the program update request In response to receiving the program update request, detect whether the client boot program is complete and valid through the base boot program. If it is detected that the client boot program is complete and valid, the client boot program meets the update conditions, and continues to perform S120 to implement program update through the client boot program; if it is detected that the client boot program is incomplete or invalid, the client boot program does not meet the update conditions. Update conditions, jump to execution S130, and implement program update through the basic boot program.
  • the basic boot program after running the basic boot program and detecting whether a program update request is received, it also includes: in response to not receiving a program update request, detecting whether the client boot program and the application meet the update conditions through the basic boot program; based on the detection As a result, the program running area will be jumped accordingly.
  • the basic boot program will first check the validity and integrity of the client boot program. If it is determined that the client boot program is invalid or incomplete, the program will always stay on the basic The boot program runs in a fixed storage area and does not jump to the program running area. If it is determined that the client boot program is complete and valid and the application is invalid or incomplete, jump from the basic boot program fixed storage area to the client boot program storage area. If it is determined that both the client boot program and the application are complete and valid, jump from the base boot program fixed storage area to the application storage area.
  • the program update request may be to update the client boot program or to update the application program
  • the program update request is parsed and identified through the basic boot program. Determine the storage area where the program to be updated is located. If it is determined that the client boot program fixed storage area is being updated, and the validity and integrity detection results of the client boot program by the basic boot program are complete and valid, that is, the client boot program meets the update conditions, you can run the client Client boot program, erases the program in the original client boot program storage area, and performs program flash and self-update on the client boot program storage area. If it is determined that the application storage area is being updated, and the basic boot program detects that the client boot program meets the update conditions, it will run the client boot program to erase the program in the original application storage area and update the application storage area. Program flash update.
  • the program update request after receiving the program update request, if the program update request is parsed and identified through the basic boot program, it is determined that the program update is performed on the fixed storage area of the client boot program, and the basic boot program updates the client boot program. If the validity and integrity test result is incomplete or invalid, that is, the client boot program does not meet the update conditions, the program continues to run in the basic boot program fixed storage area, and the program in the original client boot program storage area is erased through the basic boot program. , flash and update the client boot program. If it is determined that the application storage area is being updated, and the basic boot program detects that the client boot program does not meet the update conditions, it will be considered that the program update has failed, and the host computer will be prompted to first update the client by running the client boot program. Bootloader is updated, and then the application is updated.
  • the method of this embodiment is applied to the embedded controller.
  • the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program storage area and application storage area.
  • basic boot program By running the basic boot program, it is detected whether Receive a program update request; in response to receiving a program update request and the client boot program meets the update conditions, jump to run the client boot program for program update; in response to receiving a program update request and the client boot program does not meet the update conditions, Continue to run the basic boot program for program update, which solves the problem of the boot program flash failure, causing the electric drive controller to be unable to operate.
  • the boot program or application can be retrieved. The beneficial effect of avoiding controller inoperability during the program update process.
  • Figure 2 is a flow chart of a program update method provided according to Embodiment 2 of the present application. Based on the above embodiment, this embodiment provides a method of jumping in response to receiving a program update request and the client boot program satisfies the update condition. Specific operational steps for switching to running the client boot program for program update, and specific operational steps for continuing to run the basic boot program for program update in response to receiving a program update request and the client boot program does not meet the update conditions. As shown in Figure 2, the method includes:
  • the program update request may be directed to the client boot program storage area update, or may be directed to the application program storage area update.
  • the client boot program is a customer-oriented boot area program, which is mainly responsible for updating application software and capable of self-updating the client boot program storage area.
  • One point that needs to be emphasized is that when the program jumps to the client boot program storage area for self-update, the client boot program in this area will first be mapped to the corresponding random access memory (Random Access Memory, RAM) area, and It actually runs in the RAM area.
  • RAM Random Access Memory
  • jumping to run the client bootstrap program for program update including: in response to receiving a program update request and the client bootstrap program meets the update conditions, jumping to run the client bootstrap program for program update, including: in response to receiving a client bootstrap update request and the client bootstrap program satisfies the update conditions.
  • Update conditions jump from the basic boot program fixed storage area to the client boot program storage area; copy the client boot program to the target RAM area for running; in response to entering the waiting self-updating client boot program state, through the client boot program Receive the client boot program update file and store it in a designated RAM area that does not overlap with the target RAM area; flash the client boot program update file to the client boot program storage area through the client boot program.
  • the client boot program storage area can be updated through the self-updating way.
  • the program running area can jump from the basic boot program fixed storage area to the client boot program storage area, and then copy the program in the client boot program storage area to the corresponding target RAM area according to the program link correspondence, and actually run it in Target RAM area.
  • the client boot program slave computer in the target RAM area will reply to the upper computer that the client boot program storage area has been erased.
  • the client boot program in the target RAM area flashes and updates the client boot program update file to the client boot program storage area, and after the client boot program update is completed, the program is reset.
  • jump to run the client bootstrap program for program update including: in response to receiving the application update request and the client bootstrap program meets the update conditions , jump from the basic boot program fixed storage area to the client boot program storage area, and run the client boot program; in response to entering the waiting state for flashing the application, receive the application update file through the client boot program, and flash to Application storage area.
  • the update of the application storage area can be implemented through the client boot program.
  • the program execution area can be fixed from the base boot program. Jump to the client boot program storage area and run the client boot program. After entering the state of waiting for flashing the application and completing the erasure of the application storage area, the client boot program in the client boot program storage area replies to the upper computer that the application area has been erased, and then starts from the upper computer.
  • the machine receives the application update file, flashes and updates the file to the application storage area, and after the application update is completed, the program is reset.
  • the program when there is no client boot program that meets the update conditions in the memory area of the embedded controller, for example, when the client boot program is invalid or the memory area is empty, the program can be updated directly or indirectly through the basic boot program.
  • the client boot program storage area cannot be updated through self-update.
  • the client bootloader can only be updated through the base bootloader.
  • the program is still running in the fixed storage area of the basic boot program.
  • the client bootstrap program in response to receiving a program update request and the client bootstrap program does not meet the update conditions, continue to run the basic bootstrap program for program update, including: in response to receiving an application update request and the client bootstrap program does not meet the update conditions. , sending a program update instruction message to the upper computer through the basic boot program; wherein the program update instruction message includes: the client boot program is at the first update priority, and the application program is at the second update priority.
  • this procedure Update failed.
  • the basic boot program will send a program update instruction message to the host computer, prompting the host computer to update the client boot program storage area first, and then update the application storage area.
  • the program update instruction message after sending the program update instruction message to the upper computer through the basic boot program, it also includes: receiving the client boot program update request, receiving the client boot program update file through the basic boot program, and flashing it to the client boot Program storage area; receives the application update request, jumps from the basic boot program fixed storage area to the client boot program storage area, and runs the client boot program; in response to entering the state of waiting to flash the application, receive it through the client boot program The application updates the file and flashes it to the application storage area.
  • the basic boot program after the basic boot program sends a program update instruction message to the host computer, it will receive a client boot program update request resent from the host computer. At this time, the client boot program does not meet the update conditions, so the program is still running. Fixed storage area in base bootloader. After entering the state of waiting to flash the client boot program and completing the erasure of the client boot program storage area, the basic boot program fixes the basic boot program in the storage area and replies to the upper computer that the client boot program storage area has been erased. , receives the client boot program update file from the host computer, flashes and updates the file to the client boot program storage area, and after the program update is completed, the program is reset.
  • the application update request sent by the host computer is received.
  • the client boot program is updated by the basic boot program and meets the update conditions. Therefore, the program running area can jump from the basic boot program fixed storage area to the client boot program storage. zone to run the client bootloader.
  • the client boot program in the client boot program storage area replies to the host computer that the application area has been erased, and then receives the message from the host computer.
  • the application updates the file, flashes and updates the file to the application storage area, and after the application update is completed, the program is reset.
  • the method of this embodiment can, on the one hand, ensure that application updates and client boot program self-updates are performed using the same host computer software, which is easy to operate and reduces host computer development time.
  • the client boot program update has two layers of protection. That is, during the client boot program self-update process, even if some areas are erased due to power outage and other problems, this part of the area can still be repaired by re-updating the basic boot program. , since the basic boot program is basically not updated and the storage area is fixed, there is theoretically no risk of being erased, so it can be guaranteed that the controller will not be unable to run due to program updates.
  • the client boot program update is strictly decoupled from the application files. After the client boot program update is completed, there is no need to update the application files, reducing the frequency of production file design changes.
  • FIG 3 is a schematic structural diagram of a program update device provided according to Embodiment 3 of the present application. As shown in Figure 3, the device is applied to an embedded controller.
  • the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program storage area and application storage area.
  • the device includes:
  • the detection module 310 is configured to execute the basic boot program and detect whether a program update request is received. beg;
  • the first update module 320 is configured to execute, in response to receiving a program update request and the client boot program meets the update conditions, jump to run the client boot program for program update;
  • the second update module 330 is configured to continue running the basic boot program for program update in response to receiving a program update request and the client boot program does not meet the update conditions.
  • the device of this embodiment is applied to an embedded controller.
  • the memory area of the embedded controller is divided into: a basic boot program fixed storage area, a client boot program storage area and an application storage area.
  • a basic boot program fixed storage area By running the basic boot program, it is detected whether Receive a program update request; in response to receiving a program update request and the client boot program meets the update conditions, jump to run the client boot program for program update; in response to receiving a program update request and the client boot program does not meet the update conditions, Continue to run the basic boot program for program update, which solves the problem of the boot program flash failure, causing the electric drive controller to be unable to operate.
  • the boot program or application can be retrieved. The beneficial effect of avoiding controller inoperability during the program update process.
  • the first update module 320 includes: a self-update unit, configured to execute
  • the first update module 320 includes: an effective update unit, configured to execute
  • the application update file is received through the client boot program and flashed to the application storage area.
  • the second update module 330 includes: an invalid update unit, configured to execute
  • the second update module 330 includes: an instruction update unit configured to execute
  • the program update indication message includes: the client boot program is at the first update priority level, and the application program is at the second update priority level.
  • the instruction update unit is also set to execute: after sending the program update instruction message to the host computer through the basic boot program,
  • the application update file is received through the client boot program and flashed to the application storage area.
  • Optional also includes: empty jump module, set to execute after running the basic boot program and detecting whether a program update request is received.
  • the program running area will be jumped accordingly.
  • the program update device provided by the embodiments of the present application can execute the program update method provided by any embodiment of the present application, and has functional modules and beneficial effects corresponding to the execution method.
  • FIG. 4 shows a schematic structural diagram of an electronic device 10 that can be used to implement embodiments of the present application.
  • Electronic devices are intended to refer to various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers.
  • Electronic devices may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (eg, helmets, glasses, watches, etc.), and other similar computing devices.
  • the components shown herein, their connections and relationships, and their functions are examples only.
  • the electronic device 10 includes at least one processor 11.
  • the processor 11 is an embedded controller.
  • the memory area of the embedded controller is divided into: basic boot program fixed storage area, client boot program storage area and application Program storage area; and memory communicatively connected to at least one processor 11, such as read-only memory (Read-Only Memory, ROM) 12, random access memory (RAM) 13, etc., wherein the memory stores information that can be used by at least one processor Computer program executed by processor 11
  • Various appropriate actions and processes can be performed according to a computer program stored in the read-only memory (ROM) 12 or loaded from the storage unit 18 into the random access memory (RAM) 13 .
  • RAM 13 various programs and data required for the operation of the electronic device 10 can also be stored.
  • the processor 11, the ROM 12 and the RAM 13 are connected to each other via the bus 14.
  • An input/output (I/O) interface 15 is also connected to the bus 14 .
  • the I/O interface 15 Multiple 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, etc.; a storage unit 18, such as a magnetic disk, an optical disk, etc. etc.; and communication unit 19, such as network card, modem, wireless communication transceiver, etc.
  • the communication unit 19 allows the electronic device 10 to exchange information/data with other devices through computer networks such as the Internet and/or various telecommunications networks.
  • Processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of the processor 11 include a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU), various dedicated artificial intelligence (Artificial Intelligence, AI) computing chips, and various running machine learning models. Algorithm processor, digital signal processor (Digital Signal Process, DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 performs various methods and processes described above, such as the program update method.
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • AI Artificial Intelligence
  • Algorithm processor digital signal processor
  • DSP Digital Signal Process
  • the processor 11 performs various methods and processes described above, such as the program update method.
  • the program update method may be implemented as a computer program, which is tangibly included in a computer-readable storage medium, such as the storage unit 18 .
  • 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.
  • the processor 11 may be configured to perform the program update method in any other suitable manner (eg, by means of firmware).
  • FPGAs Field Programmable Gate Arrays
  • ASICs Application Specific Integrated Circuits
  • ASSP Application Specific Standard Parts
  • SOC System on Chip
  • CPLD Complex Programmable Logic Device
  • These various embodiments may include implementation in one or more computer programs executable and/or interpreted on a programmable system including at least one programmable processor, the programmable processor
  • the processor which may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • An output device may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • An output device may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • Computer programs for implementing the methods of the present application may employ any of one or more programming languages. written in combination. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that the computer program, when executed by the processor, causes the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • a 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.
  • a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in connection with an instruction execution system, apparatus, or device.
  • Computer-readable storage media may include electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or devices, or any suitable combination of the foregoing.
  • the computer-readable storage medium may be a machine-readable signal medium.
  • Machine-readable storage media may include electrical connections based on one or more wires, portable computer disks, hard drives, RAM, ROM, Erasable Programmable Read-Only Memory (EPROM or flash memory), Optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • the systems and techniques described herein may be implemented on an electronic device having a display device (eg, a cathode ray tube (CRT) or a liquid crystal display) for displaying information to the user.
  • Display (LCD) monitor e.g, a cathode ray tube (CRT) or a liquid crystal display
  • keyboard and pointing device eg, a mouse or a trackball
  • Other kinds of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and may be provided in any form, including Acoustic input, voice input or tactile input) to receive input from the user.
  • the systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., A user's computer having a graphical user interface or web browser through which the user can interact with implementations of the systems and technologies described herein), or including such backend components, middleware components, or any combination of front-end components in a computing system.
  • the components of the system may be interconnected by any form or medium of digital data communication (eg, a communications network). Examples of communication networks include: Local Area Network (LAN), Wide Area Network (WAN), blockchain network, and the Internet.
  • Computing systems may include clients and servers.
  • Clients and servers are generally remote from each other and typically interact over a communications network.
  • the server can be a cloud server, also known as cloud computing server or cloud host. It is a host product in the cloud computing service system to solve the problems existing in traditional physical host and virtual private server (VPS) services. It has the disadvantages of difficult management and weak business scalability.
  • VPN virtual private server

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Abstract

Sont divulgués dans la présente demande un procédé et un appareil de mise à jour de programme, un dispositif et un support de stockage. Le procédé est appliqué à un dispositif de commande intégré, une zone de mémoire du dispositif de commande intégré étant divisée en : une zone de stockage fixe de programme d'amorçage de base, une zone de stockage de programme d'amorçage client et une zone de stockage de programme d'application. Le procédé comprend les étapes suivantes : exécuter un programme d'amorçage de base et détecter si une demande de mise à jour de programme est reçue ; si une demande de mise à jour de programme est reçue et qu'un programme d'amorçage de client satisfait une condition de mise à jour, exécuter le programme d'amorçage client pour une mise à jour de programme ; et si la demande de mise à jour de programme est reçue et que le programme d'amorçage client ne satisfait pas la condition de mise à jour, exécuter en continu le programme d'amorçage de base pour une mise à jour de programme.
PCT/CN2023/099067 2022-06-16 2023-06-08 Procédé et appareil de mise à jour de programme, dispositif et support de stockage WO2023241444A1 (fr)

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CN112667265A (zh) * 2021-01-20 2021-04-16 北京经纬恒润科技股份有限公司 一种引导程序更新方法及装置
CN113254048A (zh) * 2021-06-21 2021-08-13 深之蓝(天津)水下智能科技有限公司 引导程序更新方法、装置、设备及计算机可读介质
CN115033261A (zh) * 2022-06-16 2022-09-09 中国第一汽车股份有限公司 一种程序更新方法、装置、设备及存储介质

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