WO2023000841A1 - 车载系统升级方法、车辆及可读存储介质 - Google Patents
车载系统升级方法、车辆及可读存储介质 Download PDFInfo
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- WO2023000841A1 WO2023000841A1 PCT/CN2022/096938 CN2022096938W WO2023000841A1 WO 2023000841 A1 WO2023000841 A1 WO 2023000841A1 CN 2022096938 W CN2022096938 W CN 2022096938W WO 2023000841 A1 WO2023000841 A1 WO 2023000841A1
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- upgrade
- vehicle
- upgrade package
- module
- package
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- 238000000034 method Methods 0.000 title claims abstract description 103
- 230000008569 process Effects 0.000 claims abstract description 60
- 238000004891 communication Methods 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000012795 verification Methods 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WXZOXVVKILCOPG-UHFFFAOYSA-N bis(2-ethylhexyl) benzene-1,3-dicarboxylate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC(C(=O)OCC(CC)CCCC)=C1 WXZOXVVKILCOPG-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the field of vehicles, in particular to a method for upgrading a vehicle system, a vehicle and a readable storage medium.
- a vehicle-mounted system upgrade method, a vehicle and a readable storage medium proposed in the present application aim to solve the technical problem of excessive energy consumption during the remote upgrade process of the vehicle-mounted system.
- the present application provides a vehicle system upgrade method, including the following steps:
- the step of controlling the vehicle-mounted terminal communication module to be turned on according to the upgrade short message, and controlling the communication module to communicate with the upgrade process server includes:
- control the vehicle-mounted terminal to parse the MQTT message and verify the authenticity of the MQTT message
- control the vehicle-mounted terminal When verifying that the content of the MQTT message is true, control the vehicle-mounted terminal to send a verification request according to the network address carried in the MQTT message;
- the vehicle-mounted terminal is controlled to establish encrypted communication with the upgrade process server.
- the upgrade package includes at least one module upgrade package corresponding to the electronic control unit of the vehicle; the step of performing firmware upgrade according to the downloaded upgrade package includes:
- the step of controlling the vehicle-mounted terminal to send each module upgrade package to corresponding electronic control units according to the downloaded upgrade package includes:
- control the vehicle-mounted terminal to send a wake-up instruction to each of the electronic control units through the CAN bus interface to wake up the vehicle;
- the vehicle-mounted terminal is controlled according to a preset protocol to send each module upgrade package to each corresponding electronic control unit through an Ethernet interface.
- before the step of controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade package includes:
- the step of controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade package includes:
- each module upgrade package is complete, and each electronic control unit is controlled to perform firmware upgrade according to the received module upgrade package.
- the step of determining that each of the module upgrade packages is complete, and controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade packages includes:
- the step of controlling the vehicle-mounted terminal to download the upgrade package from the content distribution server corresponding to the upgrade package link includes;
- the average transmission rate determine whether the average transmission rate is 0;
- the step of determining that the average transmission rate is 0 and judging whether the upgrade package is complete it also includes:
- the present application also provides a vehicle, the vehicle includes a memory, a processor, and a vehicle-mounted system upgrade program stored in the memory and operable on the processor, wherein: the vehicle-mounted When the system upgrade program is executed by the processor, the above-mentioned steps of the vehicle system upgrade method are realized.
- the present application also provides a readable storage medium, on which a vehicle-mounted system upgrade program is stored, and when the vehicle-mounted system upgrade program is executed by a processor, the above-mentioned vehicle-mounted system Steps in the upgrade method.
- the method for upgrading the vehicle-mounted system in this application firstly receives the upgrade short message with the MQTT message by controlling the vehicle-mounted terminal, and then controls the communication module of the vehicle-mounted terminal to be opened according to the upgrade text message, and controls the communication module to communicate with the corresponding upgrade process server.
- Fig. 1 is a schematic diagram of the terminal structure of the hardware operating environment of the vehicle involved in the embodiment of the present application;
- FIG. 2 is a schematic flow chart of the first embodiment of the vehicle system upgrading method of the present application
- FIG. 3 is a partial flowchart of the second embodiment of the vehicle system upgrading method of the present application.
- FIG. 4 is a partial flowchart of the fifth embodiment of the method for upgrading the vehicle-mounted system of the present application
- FIG. 5 is a schematic flowchart of a sixth embodiment of the method for upgrading a vehicle-mounted system according to the present application
- FIG. 1 is a schematic diagram of a terminal structure of a hardware operating environment of a vehicle involved in the solution of the embodiment of the present application.
- the terminal may include: a processor 1001 , such as a CPU, a network interface 1004 , a user interface 1003 , a memory 1005 , and a communication bus 1002 .
- the communication bus 1002 is set to realize connection and communication between these components.
- the user interface 1003 may include a display (Display), an input unit such as a control panel, and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
- the network interface 1004 may include a standard wired interface and a wireless interface (such as a 5G interface).
- the memory 1005 can be a high-speed RAM memory, or a stable memory (non-volatile memory), such as disk storage.
- the memory 1005 may also be a storage device independent of the aforementioned processor 1001 .
- the memory 1005 as a computer storage medium may include an in-vehicle system upgrade program.
- terminal structure shown in FIG. 1 does not constitute a limitation on the terminal, and may include more or less components than those shown in the figure, or combine some components, or arrange different components.
- Figure 2 is a schematic flow chart of the first embodiment of the method for upgrading the vehicle-mounted system of the present application.
- the method includes:
- Step S10 controlling the vehicle-mounted terminal to receive an upgrade message with an MQTT message
- the upgraded text message received by the vehicle terminal can be a 2G text message.
- the 2G text message uses the Short Message Service (SMS).
- SMS Short Message Service
- the vehicle terminal communicates with the Short Message Center (SMSC) so that the vehicle terminal is in a low-power communication state.
- SMSC Short Message Center
- the 2G text message includes MQTT
- MQTT protocol used by MQTT messages can provide real-time and reliable message services for connected remote devices with very few codes and limited bandwidth.
- Step S20 controlling the communication module of the vehicle-mounted terminal to be turned on according to the upgrade message, and controlling the communication module to communicate with the corresponding upgrade process server;
- the vehicle-mounted terminal turns on the communication module of the vehicle-mounted terminal after receiving the upgrade message, that is, in the present application, when the vehicle-mounted system is not upgraded, the communication module can be kept closed, thereby reducing power consumption.
- the communication module can be a 4G module, a 5G module or a WiFi module. There is no limit here.
- the communication module is controlled to communicate with the upgrade process server.
- the upgrade process server is used to cooperate with the vehicle to complete the upgrade of the vehicle system.
- the software development engineer packs and transmits the files required for the vehicle system upgrade to the upgrade process server for storage.
- the upgrade process server can send a push message to the user’s mobile terminal to inform the user that the vehicle system has been updated.
- the upgrade process server is receiving After receiving the user's consent instruction, the upgrade short message can be sent to the vehicle-mounted terminal through the short message center to realize the upgrade process such as steps S10 and S20.
- Step S30 controlling the vehicle-mounted terminal to receive the upgrade package link sent by the upgrade process server
- the upgrade process server After the communication module of the vehicle terminal and the upgrade process server realize the communication connection, the upgrade process server will generate an upgrade package link according to the stored packaged files required for the upgrade and send it to the vehicle terminal.
- Step S40 controlling the vehicle-mounted terminal to download the upgrade package from the content distribution server corresponding to the link of the upgrade package
- the upgrade package link sent by the upgrade process server corresponds to the content distribution server. Since the content distribution technology adopted by the content distribution server is based on the principles of intelligent scheduling, caching function service, and global load balancing, it can avoid data transmission that may be affected by the Internet. The bottleneck and link of speed and stability has the advantage of making content transmission faster and more stable. Therefore, the upgrade package is forwarded to the content distribution server through the upgrade process server, and then the content distribution server creates an upgrade package link according to the upgrade package forwarded by the upgrade process server, and sends the upgrade package link to the upgrade process server, and the vehicle-mounted terminal The link is connected to the content distribution server, and the upgrade package is downloaded from the content distribution server, which can speed up the download speed and shorten the time required for downloading.
- Step S50 performing firmware upgrade according to the downloaded upgrade package.
- the upgrade package is downloaded, the upgrade package is installed, so that the vehicle-mounted system completes the update and upgrade of the firmware.
- the method for upgrading the vehicle-mounted system in this application firstly receives the upgrade short message with the MQTT message by controlling the vehicle-mounted terminal, and then controls the communication module of the vehicle-mounted terminal to be opened according to the upgrade text message, and controls the communication module to communicate with the corresponding upgrade process server.
- step S10 include:
- Step S11 control the vehicle terminal to parse the MQTT message and verify the authenticity of the MQTT message
- Step S12 when verifying that the content of the MQTT message is true, controlling the vehicle-mounted terminal to send a verification request according to the network address carried in the MQTT message;
- Step S13 receiving the verification certificate sent by the upgrade process server corresponding to the network address according to the verification request;
- Step S14 judging whether the preset root certificate matches the verification certificate
- step S15 is performed: controlling the vehicle-mounted terminal to establish encrypted communication with the upgrade process server.
- the vehicle-mounted terminal After the vehicle-mounted terminal receives an upgrade message, it turns on the 4G network communication module, wakes up the vehicle-mounted SDK and transmits an MQTT wake-up message to the SDK, SDK refers to the software development kit, and the vehicle-mounted terminal can use the vehicle-mounted SDK to download the upgrade package and analyze the content of the message , sending the upgrade result to the upgrade process server.
- the vehicle-mounted SDK After the vehicle-mounted SDK is woken up and started, the vehicle-mounted SDK first parses the MQTT message content, and checks the authenticity of the MQTT message content according to the CRC16 algorithm.
- the vehicle-mounted SDK logs in to the upgrade process server according to the network address of the MQTT wake-up message, and waits for the upgrade process server to issue a command.
- the upgrade process server issues a third-level SSL verification certificate to the terminal.
- SSL is a secure socket protocol, a security protocol that provides security and data integrity for network communications.
- the vehicle-mounted terminal uses the built-in CA root certificate to perform standard one-way SSL certification on the third-level SSL verification certificate. After verifying that the third-level SSL verification certificate is credible, the vehicle-mounted terminal establishes SSL encrypted communication with the upgrade process server .
- the upgrade package includes at least one module upgrade corresponding to the electronic control unit of the vehicle package;
- Step S50 includes:
- Step a controlling the vehicle-mounted terminal to send each module upgrade package to the corresponding electronic control unit according to the downloaded upgrade package;
- the module upgrade packages in the upgrade package can have their own names or numbers.
- the vehicle-mounted terminal can identify the corresponding electronic control unit of the module upgrade package by the name or number of the module upgrade package in the upgrade package, and then Send the module upgrade package to the corresponding ECU.
- the vehicle-mounted terminal recognizes that the module upgrade package belongs to the engine management system, and sends the module upgrade package to the engine management system electronic control unit.
- each electronic control unit of the vehicle has its own serial number, and the respective serial number information is preset in the vehicle-mounted terminal. If the serial number of a module upgrade package is 2, the number 2 preset in the vehicle-mounted terminal corresponds to Transmission control unit (TCU), then the vehicle terminal can recognize that the module upgrade package belongs to the transmission control unit, and send the module upgrade package to the transmission control unit.
- TCU Transmission control unit
- Step b controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade package.
- each electronic control unit After each electronic control unit receives the corresponding module upgrade package sent by the vehicle-mounted terminal, each electronic control unit is installed according to the corresponding module upgrade package to realize the upgrade. Since each electronic control unit that needs to be upgraded performs the installation of the corresponding module upgrade package , so it saves time during the entire installation and upgrade process.
- a fourth embodiment of the vehicle-mounted system upgrading method of the present application is proposed.
- the vehicle-mounted terminal is controlled to update each
- the steps of sending the system module upgrade package to the corresponding electronic control units include:
- Step c control the vehicle-mounted terminal to send a wake-up command to each of the electronic control units through the CAN bus interface to wake up the whole vehicle;
- the vehicle-mounted terminal sends a wake-up command to each electronic control unit through the CAN bus interface to wake up the vehicle-mounted system of the vehicle, so that the entire vehicle-mounted system operates to coordinate the upgrade of the vehicle-mounted system.
- Step d when the whole vehicle is woken up, control the vehicle-mounted terminal to send each module upgrade package to each corresponding electronic control unit through the Ethernet interface according to a preset protocol.
- the vehicle-mounted terminal performs DOIP protocol command interaction with each electronic control unit through the 100M Ethernet interface, and the command may be in the form of a preset request code.
- SID is the service identifier, and the following code represents the service type.
- the Ethernet interface is used to replace the traditional 0.5M CAN bus, which can avoid the limitation of the distance, and the transmission rate cannot meet the transmission requirements of the upgrade package with large capacity, resulting in long transmission time in the car And easily lead to vehicle feed problems.
- the vehicle-mounted terminal and each electronic control unit directly transmit the upgrade package through the 100M Ethernet interface, and the transmission rate is increased by at least 200 times, which greatly shortens the time required for the upgrade.
- a fifth embodiment of the vehicle-mounted system upgrading method of the present application is proposed.
- the control of each of the electronic control units is based on The received module upgrade package includes before the step of firmware upgrade:
- Step S100 controlling each of the electronic control units to check the integrity of the received module upgrade package to generate an integrity result record
- Step S200 judging whether each of the module upgrade packages is complete according to the integrity result record
- the step of controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade package includes:
- each module upgrade package is complete, and each electronic control unit is controlled to perform firmware upgrade according to the received module upgrade package.
- the vehicle-mounted terminal when the vehicle-mounted terminal transmits the module upgrade package to each electronic control unit, it sends the CRC 32 to each electronic control unit through a check integrity command to check the integrity of the module upgrade package it receives, and generates The integrity result is recorded and fed back to the vehicle-mounted terminal.
- the vehicle-mounted terminal judges whether the upgrade package of each module is complete according to the integrity result record generated by each electronic control unit.
- the unit transfer module upgrade package is complete.
- the step of determining that each of the module upgrade packages is complete, and controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade packages includes:
- step S300 controlling each of the electronic control units to perform a consistency check on the module upgrade packages to generate a consistency result record;
- Step S400 judging whether each of the electronic control units is consistent with the corresponding module upgrade package according to the consistency result record
- step S500 is performed: controlling each of the electronic control units to perform firmware upgrade according to the received module upgrade package.
- This command is an asynchronous command, and each electronic control unit After receiving the command, the control unit will immediately check the consistency of the received module upgrade package and generate a consistency result record, and feed back the consistency result record to the vehicle terminal.
- step S40 includes:
- Step S41 obtaining the download average transmission rate within a preset period
- Step S42 judging whether the average transmission rate is 0 according to the average transmission rate
- step S43 judging whether the upgrade package is complete
- step 50 is performed.
- the preset period may be 10S, 30S, or 60S, which may be set according to actual needs, and is not limited here.
- the vehicle-mounted terminal monitors the download rate in real time while downloading the upgrade package from the content distribution server according to the link of the upgrade package, calculates and obtains the average download transmission rate in a 30S cycle every 30S, and judges whether the average transmission rate is 0, if If it is 0, it may be caused by network failure, vehicle failure or other reasons. It may also be that the upgrade package has been downloaded, and then the vehicle terminal judges whether the upgrade package is complete. If it is complete, proceed according to the downloaded upgrade package.
- Firmware upgrade the vehicle-mounted terminal monitors the download rate in real time while downloading the upgrade package from the content distribution server according to the link of the upgrade package, calculates and obtains the average download transmission rate in a 30S cycle every 30S, and judges whether the average transmission rate is 0, if If it is 0, it may be caused by network failure, vehicle failure or other reasons. It may also be that the upgrade package has been downloaded, and then the vehicle
- the step of determining that the average transmission rate is 0 and judging whether the upgrade package is complete it also includes:
- step S60 After confirming that the upgrade package is complete, perform step S60: generate a log of download failure and enter a dormant mode;
- Step S70 when a wake-up command triggered by the user or sent by the upgrade process server is received, read the log of the download failure;
- Step S80 according to the log of the download failure, obtain the final node that has not downloaded the complete upgrade package
- Step S90 sending the continuation request generated according to the final node to the upgrade process server, so that the upgrade process server continues to transmit the upgrade package to the vehicle terminal according to the continuation request.
- the vehicle terminal due to the abnormal interruption of the network, the download of the upgrade package fails, the vehicle terminal generates and stores the log of the download failure, and enters the sleep mode so that the awakened vehicle enters the original state before receiving the upgrade message to ensure the energy saving of the vehicle.
- the vehicle-mounted terminal will read the log of the download failure, and can automatically continue the download according to the settings, or prompt the user to download the failed message through the display module of the vehicle-mounted terminal.
- the upgrade process server pushes the download failure message to the user's mobile terminal. The user can choose to continue the download or choose to process it later.
- the 4G module sends the continuation request generated according to the final node to the upgrade process server, and the upgrade process server can forward the continuation request to the content distribution server after receiving the continuation request, and then feeds back the continuation request to the vehicle terminal instructions, so that the vehicle-mounted terminal can continue the previous download task from the content distribution server according to the link of the original upgrade package without re-downloading.
- the present application also proposes a vehicle, the vehicle includes a memory, a processor, and an on-board system upgrade program stored on the memory and operable on the processor.
- the processor executes the on-board system upgrade program, the following The steps of the method for upgrading the vehicle system described in the above embodiments.
- the present application also proposes a readable storage medium, wherein the readable storage medium includes a vehicle-mounted system upgrade program, and when the vehicle-mounted system upgrade program is executed by a processor, the vehicle-mounted system upgrade method as described in the above embodiments is implemented. A step of.
Abstract
本申请公开了一种车载系统升级方法，该方法包括步骤：控制车载终端接收带有MQTT消息的升级短信；根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接；控制所述车载终端接收所述升级流程服务器发送的升级包链接；控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包；根据下载完成的所述升级包进行固件升级。本申请还公开了一种车辆及可读存储介质。
Description
本申请要求于2021年7月22号申请的、申请号为202110839948.6的中国专利申请的优先权，其全部内容通过引用结合于此。
本申请涉及车辆领域，尤其涉及一种车载系统升级方法、车辆及可读存储介质。
近年来，物联网技术的快速发展促进了传统车辆行业的改革，使得车辆更加智能化多功能化，也使得车辆的功能升级更加便捷化高效化，用户不需要再专门到车辆售后中心进行车载系统的升级，现在只需要将自己的车辆接入互联网，从云端服务器下载升级包即可实现车载系统的远程更新。但现有的技术方案为了实现车载系统的及时升级，会将车辆始终处于网络连接状态，而且受下载速度和车辆内部的传输速度的影响，整个升级过程造成了能源的消耗过大。
本申请提出的一种车载系统升级方法、车辆及可读存储介质，旨在解决车辆的车载系统远程升级过程中能源消耗过大的技术问题。
为实现上述目的，本申请提供一种车载系统升级方法，包括以下步骤：
控制车载终端接收带有MQTT消息的升级短信；
根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接；
控制所述车载终端接收所述升级流程服务器发送的升级包链接；
控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包；
根据下载完成的所述升级包进行固件升级。
在一实施方式中，所述根据所述升级短信控制车载终端通信模块开启，并控制所述通信模块与升级流程服务器通信连接的步骤包括：
根据所述升级短信，控制所述车载终端解析所述MQTT消息并验证所述MQTT消息的真实性；
当验证所述MQTT消息内容为真实的情况下，控制所述车载终端根据所述MQTT消息携带的网络地址发送验证请求；
接收所述网络地址对应的升级流程服务器根据所述验证请求发送的验证证书；
判断预设根证书与所述验证证书是否匹配；
确定预设根证书与所述验证证书匹配，控制所述车载终端建立与所述升级流程服务器进行加密通信。
在一实施方式中，所述升级包包括至少一个与车辆的电子控制单元对应的模块升级包；所述根据下载完成的升级包进行固件升级的步骤包括：
根据下载完成的所述升级包，控制所述车载终端将各所述模块升级包发送至相对应的所述电子控制单元；
控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
在一实施方式中，所述根据下载完成的所述升级包，控制车载终端将各所述制模块升级包发送至相对应的各电子控制单元的步骤包括：
根据下载完成的所述升级包，控制所述车载终端通过CAN总线接口向各所述电子控制单元发送唤醒指令以唤醒整车；
在整车被唤醒的情况下，根据预设协议控制所述车载终端通过以太网接口将各所述模块升级包发送至相对应的各所述电子控制单元。
在一实施方式中，所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤之前包括：
控制各所述电子控制单元校验接收的所述模块升级包的完整性，以生成完整性结果记录；
根据所述的完整性结果记录，判断各所述模块升级包是否完整；
所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：
确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
在一实施方式中，所述确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：
确定各所述模块升级包完整，控制各所述电子控制单元对所述模块升级包进行一致性校验以生成一致性结果记录；
根据所述一致性结果记录，判断各所述电子控制单元与相对应的所述模块升级包是否一致；
确定各所述电子控制单元与相对应的所述模块升级包一致，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
在一实施方式中，所述控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包的步骤包括；
获取在预设周期内的下载平均传输速率；
根据所述平均传输速率，判断所述平均传输速率是否为0；
确定所述平均传输速率为0，判断所述升级包是否完整；
确定所述升级包完整，执行所述根据下载完成的升级包进行固件升级的步骤。
在一实施方式中，所述确定所述平均传输速率为0，判断所述升级包是否完整的步骤之后，还包括：
确定所述升级包完整，生成下载失败的日志并进入休眠模式；
当接收到用户触发或所述升级流程服务器发送的唤醒指令的情况下，读取所述下载失败的日志；
根据所述下载失败的日志，获取未下载完整的升级包的最终节点;
发送根据所述最终节点生成的续传请求至所述升级流程服务器，以使所述升级流程服务器根据所述续传请求续传所述升级包至所述车载终端。
此外，为实现上述目的，本申请还提供一种车辆，所述车辆包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的车载系统升级程序，其中：所述车载系统升级程序被所述处理器执行时实现如上所述的车载系统升级方法的步骤。
此外，为实现上述目的，本申请还提供一种可读存储介质，所述可读存储介质上存储有车载系统升级程序，所述车载系统升级程序被处理器执行时实现如上所述的车载系统升级方法的步骤。
本申请中的车载系统升级方法首先通过控制车载终端接收带有MQTT消息的升级短信，再根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接，可以使车辆在低功耗的休眠状态下不需要接入互联网就能够接收到可升级消息，在接收到升级短信之后再启动通信模块接入互联网，避免因车载终端与升级流程服务器长时间保持通信连接而导致车辆馈电，减少了能源的损耗；控制所述车载终端接收所述升级流程服务器发送的升级包链接，控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包，根据下载完成的所述升级包进行固件升级。由于内容分发服务器采用了内容分发技术，从内容分发服务器下载升级包，就能够避免网络拥堵，提高了下载的速度，从而节省了车载系统升级的时间，也降低了能源的损耗。
图1是本申请实施例方案涉及的车辆的硬件运行环境的终端结构示意图；
图2为本申请车载系统升级方法第一实施例的流程示意图；
图3为本申请车载系统升级方法第二实施例的部分流程示意图；
图4为本申请车载系统升级方法第五实施例的部分流程示意图；
图5为本申请车载系统升级方法第六实施例的流程示意图；
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
如图1所示，图1是本申请实施例方案涉及的车辆的硬件运行环境的终端结构示意图。
如图1所示，该终端可以包括：处理器1001，例如CPU，网络接口1004，用户接口1003，存储器1005，通信总线1002。其中，通信总线1002设置为实现这些组件之间的连接通信。用户接口1003可以包括显示器（Display）、输入单元比如控制面板，可选用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口（如5G接口）。存储器1005可以是高速RAM存储器，也可以是稳定的存储器（non-volatile
memory），例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置。作为一种计算机存储介质的存储器1005中可以包括车载系统升级程序。
本领域技术人员可以理解，图1中示出的终端结构并不构成对终端的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
如图2所示，图2是本申请车载系统升级方法第一实施例的流程示意图，在该实施例中，所述方法包括：
步骤S10，控制车载终端接收带有MQTT消息的升级短信；
车载终端接收的升级短信可以是2G短信，2G短信使用的是短信息服务（SMS），车载终端与短消息中心（SMSC）通信连接，使得车载终端处于低功耗的通信状态，2G短信包含MQTT消息，MQTT消息所使用的MQTT协议可以以极少的代码和有限的带宽，为连接远程设备提供实时可靠的消息服务。
步骤S20，根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接；
车载终端在接收到升级短信之后就开启车载终端的通信模块，即在本申请中，不进行车载系统升级的情况下，通信模块可以保持关闭，从而减少耗电。通信模块可以是4G模块，也可以是5G模块或者WiFi模块，在此不做限制，开启通信模块之后，控制通信模块与升级流程服务器通信连接，升级流程服务器用于配合车辆完成车载系统的升级，软件开发工程师将车载系统升级所需要的文件打包传输到升级流程服务器进行存储，升级流程服务器在接收到升级包之后可以发送推送消息至用户移动端以告知用户车载系统有更新，升级流程服务器在接收到用户的同意指令之后可将升级短信通过短消息中心发送至车载终端进而实现步骤S10、S20等升级流程。
步骤S30，控制所述车载终端接收所述升级流程服务器发送的升级包链接；
在车载终端的通讯模块和升级流程服务器实现通信连接之后，升级流程服务器会根据存储的打包好的升级所需要的文件生成一个升级包链接并发送至车载终端。
步骤S40，控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包；
升级流程服务器发送的升级包链接对应的是内容分发服务器，由于内容分发服务器所采用的内容分发技术是基于智能调度、缓存功能服务、全局负载均衡的原理，可以避开互联网上有可能影响数据传输速度和稳定性的瓶颈和环节，具有使内容传输的更快、更稳定的优点。所以通过升级流程服务器将升级包转发到内容分发服务器，再由内容分发服务器根据升级流程服务器转发的升级包创建一个升级包链接，并将升级包链接发送到升级流程服务器，由车载终端根据升级包链接接入内容分发服务器，从内容分发服务器下载升级包，能够加快下载速度，缩短下载所需的时间。
步骤S50，根据下载完成的所述升级包进行固件升级。
下载升级包完成之后，即进行升级包的安装，从而使得车载系统完成固件的更新升级。
本申请中的车载系统升级方法首先通过控制车载终端接收带有MQTT消息的升级短信，再根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接，可以使车辆在低功耗的休眠状态下不需要接入互联网就能够接收到可升级消息，在接收到升级短信之后再启动通信模块接入互联网，避免因车载终端与升级流程服务器长时间保持通信连接而导致车辆馈电，减少了能源的损耗；控制所述车载终端接收所述升级流程服务器发送的升级包链接，控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包，根据下载完成的所述升级包进行固件升级。由于内容分发服务器采用了内容分发技术，从内容分发服务器下载升级包，就能够避免网络拥堵，提高了下载的速度，从而节省了车载系统升级的时间，也降低了能源的损耗。
如图3所示，进一步地，基于本申请车载系统升级方法的第一实施例提出本申请车载系统升级方法的第二实施例，在本实施例中，步骤S10的步骤包括：
步骤S11，根据所述升级短信，控制所述车载终端解析所述MQTT消息并验证所述MQTT消息的真实性；
步骤S12，当验证所述MQTT消息内容为真实的情况下，控制所述车载终端根据所述MQTT消息携带的网络地址发送验证请求；
步骤S13，接收所述网络地址对应的升级流程服务器根据所述验证请求发送的验证证书；
步骤S14，判断预设根证书与所述验证证书是否匹配；
确定预设根证书与所述验证证书匹配，执行步骤S15：控制所述车载终端建立与所述升级流程服务器进行加密通信。
例如：车载终端收到升级短信后打开4G网络通信模块，唤醒车载SDK同时传输MQTT唤醒消息给SDK，SDK是指软件开发工具包，车载终端可以使用车载SDK进行升级包的下载、消息内容的解析、将升级结果发送至升级流程服务器。车载SDK被唤醒启动后，车载SDK先解析MQTT消息内容，根据CRC16算法检验MQTT消息内容真实性。校验通过后，车载SDK根据MQTT唤醒消息的网络地址登入升级流程服务器，等待升级流程服务器下发命令，车载终端登入升级流程服务器后，升级流程服务器下发三级SSL验证证书给终端。SSL是安全套接字协议，是为网络通信提供安全及数据完整性的一种安全协议。车载终端接收三级SSL验证证书后用内置CA根证书对三级SSL验证证书进行标准的单向SSL认证，验证三级SSL验证证书是可信后，车载终端建立与升级流程服务器的SSL加密通信。
进一步地，基于本申请车载系统升级方法的第一实施例提出本申请车载系统升级的第三实施例，在本实施例中，所述升级包包括至少一个与车辆的电子控制单元对应的模块升级包；步骤S50包括：
步骤a，根据下载完成的所述升级包，控制所述车载终端将各所述模块升级包发送至相对应的所述电子控制单元；
升级包中的模块升级包可以有各自的名称或编号，在升级包下载完成之后，车载终端可以通过升级包中的模块升级包的名称或编号识别出模块升级包所对应的电子控制单元，再将模块升级包发送至相对应的电子控制单元。例如：一模块升级包的名称为“发动机管理系统升级包”或“EMS Update”，车载终端识别出该模块升级包属于发动机管理系统，就将该模块升级包发送至发动机管理系统电子控制单元。再例如，车辆的各个电子控制单元都有各自的编号，并将各自的编号信息都预置在车载终端，如果一模块升级包的编号为2，预置在车载终端中的编号2对应的是变速箱控制单元（TCU），那么车载终端就可以识别出该模块升级包属于变速箱控制单元，就将该模块升级包发送至变速箱控制单元。
步骤b，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
在各电子控制单元接收到车载终端发送的对应的模块升级包之后，各电子控制单元根据对应的模块升级包进行安装以实现升级，由于各所需要升级的电子控制单元各自执行对应模块升级包的安装，所以节省了整个安装升级过程的时间。
进一步地，基于本申请车载系统升级方法的上述实施例提出本申请车载系统升级方法的第四实施例，在本实施例中，所述根据下载完成的所述升级包，控制车载终端将各所述制模块升级包发送至相对应的各电子控制单元的步骤包括：
步骤c，根据下载完成的所述升级包，控制所述车载终端通过CAN总线接口向各所述电子控制单元发送唤醒指令以唤醒整车；
本实施例中，在升级包下载完成之后，车载终端通过CAN总线接口向各电子控制单元发送唤醒指令以唤醒整车的车载系统，使得整个车载系统都运作起来以协同实现车载系统的升级。
步骤d，在整车被唤醒的情况下，根据预设协议控制所述车载终端通过以太网接口将各所述模块升级包发送至相对应的各所述电子控制单元。
本实施例中，例如：整个车载系统被唤醒后，车载终端通过100M以太网接口与各电子控制单元进行DOIP协议命令交互，命令可以是预置的请求代码形式。车载终端根据模块升级包的名称或编号按顺序发送请求代码SID=0x10，0x03至各电子控制单元进入扩展模式，SID为服务标识符，后面的代码代表服务类型，车载终端发送请求代码SID=0x85至各电子控制单元关闭各电子控制单元的故障码模块，车载终端发送请求代码SID=0x28至各电子控制单元关闭各电子控制单元的通信模块，车载终端发送请求代码SID=0x10，0x02至各电子控制单元请求各电子控制单元进入编程模式，车载终端发送请求代码SID=0x27至各电子控制单元请求各电子控制单元进行安全访问，车载终端通过请求代码SID=0x31，0xDFFF，按offset，依次按上述的顺序传输模块升级包至各个电子控制单元。在上述的传输模块升级包的过程，使用以太网接口来代替传统的0.5M的CAN总线，可以避免因距离的限制，传输速率无法满足容量大的升级包的传输需求，导致车内传输时间长和容易导致车辆馈电的问题。将车载终端和各电子控制单元直接通过100M以太网接口传输升级包，传输速率提高至少200倍，极大缩短了升级所需的时间。
如图4所示，进一步地，基于本申请车载系统升级方法的第一实施例提出本申请车载系统升级方法的第五实施例，在本实施例中，所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤之前包括：
步骤S100，控制各所述电子控制单元校验接收的所述模块升级包的完整性，以生成完整性结果记录；
步骤S200，根据所述的完整性结果记录，判断各所述模块升级包是否完整；
在一实施例中，所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：
确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
本实施例中，例如：车载终端将模块升级包传输给各电子控制单元的同时通过校验完整性命令发送 CRC 32至各电子控制单元使其校验其接收的模块升级包的完整性，生成完整性结果记录并反馈到车载终端，车载终端根据各电子控制单元生成的完整性结果记录判断与各模块升级包是否完整，当各模块升级包完整的情况下，即判定车载终端向各电子控制单元传输模块升级包完成。
在另一实施例中，所述确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：
确定各所述模块升级包完整，执行步骤S300：控制各所述电子控制单元对所述模块升级包进行一致性校验以生成一致性结果记录；
步骤S400，根据所述一致性结果记录，判断各所述电子控制单元与相对应的所述模块升级包是否一致；
确定各所述电子控制单元与相对应的所述模块升级包一致，执行步骤S500：控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
本实施例中，例如：当判定模块升级包传输完成后，车载终端发送请求代码SID=0x31，0xFF01至各电子控制单元请求各电子控制单元进行一致性校验，该命令为异步命令，各电子控制单元收到命令后会立即对接收到的模块升级包进行一致性校验并生成一致性结果记录，将一致性结果记录向车载终端反馈。在车载终端根据一致性结果判定各所述电子控制单元与相对应的所述模块升级包一致的情况下，各电子控制单元开始各自安装接收的模块升级包，在整个安装升级过程中车载终端可以不断通过查询升级结果请求代码SID=0x31，0xFF02查询各电子控制单元的安装进度结果。在安装升级完成后，车载终端向升级流程服务器上报车载系统升级结果。
如图5所示，进一步地，基于本申请车载系统升级方法的第一实施例提出本申请车载系统升级方法的第六实施例，在本实施例中，步骤S40包括：
步骤S41，获取在预设周期内的下载平均传输速率；
步骤S42，根据所述平均传输速率，判断所述平均传输速率是否为0；
确定所述平均传输速率为0，执行步骤S43：判断所述升级包是否完整；
确定所述升级包完整，则执行步骤50。
在本实施例中，预设周期可以为10S、30S、60S，可以根据实际需要进行设置，在此不做限制。例如：车载终端根据升级包链接在从内容分发服务器下载升级包的同时实时监测下载速率，每隔30S一个周期计算并获取在30S周期内的下载平均传输速率，判断平均传输速率是否为0，如果为0可能是网络故障、车辆故障或其他原因导致，还有可能是升级包已经下载完成，再接着由车载终端判断升级包是否完整，在完整的情况下，根据下载完成的所述升级包进行固件升级。
另一实施例中，所述确定所述平均传输速率为0，判断所述升级包是否完整的步骤之后，还包括：
确定所述升级包完整，执行步骤S60：生成下载失败的日志并进入休眠模式；
步骤S70，当接收到用户触发或所述升级流程服务器发送的唤醒指令的情况下，读取所述下载失败的日志；
步骤S80，根据所述下载失败的日志，获取未下载完整的升级包的最终节点;
步骤S90，发送根据所述最终节点生成的续传请求至所述升级流程服务器，以使所述升级流程服务器根据所述续传请求续传所述升级包至所述车载终端。
例如：由于网络的异常中断，导致下载升级包失败，车载终端生成下载失败的日志并进行存储，进入休眠模式使得唤醒的整车进入到接收到升级短信之前的原状态以保证车辆的节能。当用户开锁启动车辆或者由升级流程服务器车载终端发送唤醒指令时，车载终端会读取下载失败的日志，可根据设置自动继续下载，或通过车载终端的显示模块提示用户下载失败的消息，也可以由升级流程服务器向用户的移动端推送下载失败的消息，用户可以选择继续下载或选择稍后处理，在自动下载或用户选择继续下载后，获取未下载完整的升级包的最终节点，进而尝试打开4G模块，发送根据最终节点生成的续传请求至所述升级流程服务器，升级流程服务器在接收到该续传请求后可以将该续传请求转发至内容分发服务器，再向车载终端反馈可续传的指令，使得车载终端可根据原升级包链接从内容分发服务器继续上一次的下载任务，而不需要重新下载。
此外，本申请还提出一种车辆，所述车辆包括存储器、处理器及存储在存储器上并可在处理器上运行的车载系统升级程序，所述处理器执行所述车载系统升级程序时实现如以上实施例所述的车载系统升级方法的步骤。
本申请车辆具体实施方式与上述车载系统升级方法各实施例基本相同，在此不再赘述。
此外，本申请还提出一种可读存储介质，其中，所述可读存储介质包括车载系统升级程序，所述车载系统升级程序被处理器执行时实现如以上实施例所述的车载系统升级方法的步骤。
本申请可读存储介质具体实施方式与上述车载系统升级方法各实施例基本相同，在此不再赘述。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在如上所述的一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备执行本申请各个实施例所述的方法。
在本申请中，术语“第一”“第二”“第三”“第四”“第五”仅用于描述的目的，而不能理解为指示或暗示相对重要性，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本申请的实施例，本申请保护的范围并不局限于此，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改和替换，这些变化、修改和替换都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。
Claims (10)
- 一种车载系统升级方法，其中，所述车载系统升级方法包括以下步骤：控制车载终端接收带有MQTT消息的升级短信；根据所述升级短信控制车载终端的通信模块开启，并控制所述通信模块与其对应的升级流程服务器通信连接；控制所述车载终端接收所述升级流程服务器发送的升级包链接；控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包；根据下载完成的所述升级包进行固件升级。
- 如权利要求1所述的车载系统升级方法，其中，所述根据所述升级短信控制车载终端通信模块开启，并控制所述通信模块与升级流程服务器通信连接的步骤包括：根据所述升级短信，控制所述车载终端解析所述MQTT消息并验证所述MQTT消息的真实性；当验证所述MQTT消息内容为真实的情况下，控制所述车载终端根据所述MQTT消息携带的网络地址发送验证请求；接收所述网络地址对应的升级流程服务器根据所述验证请求发送的验证证书；判断预设根证书与所述验证证书是否匹配；确定预设根证书与所述验证证书匹配，控制所述车载终端建立与所述升级流程服务器进行加密通信。
- 如权利要求1所述的车载系统升级方法，其中，所述升级包包括至少一个与车辆的电子控制单元对应的模块升级包；所述根据下载完成的升级包进行固件升级的步骤包括：根据下载完成的所述升级包，控制所述车载终端将各所述模块升级包发送至相对应的所述电子控制单元；控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
- 如权利要求3所述的车载系统升级方法，其中，所述根据下载完成的所述升级包，控制车载终端将各所述制模块升级包发送至相对应的各电子控制单元的步骤包括：根据下载完成的所述升级包，控制所述车载终端通过CAN总线接口向各所述电子控制单元发送唤醒指令以唤醒整车；在整车被唤醒的情况下，根据预设协议控制所述车载终端通过以太网接口将各所述模块升级包发送至相对应的各所述电子控制单元。
- 如权利要求3所述的车载系统升级方法，其中，所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤之前包括：控制各所述电子控制单元校验接收的所述模块升级包的完整性，以生成完整性结果记录；根据所述的完整性结果记录，判断各所述模块升级包是否完整；所述控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
- 如权利要求5所述的车载系统升级方法，其中，所述确定各所述模块升级包完整，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级的步骤包括：确定各所述模块升级包完整，控制各所述电子控制单元对所述模块升级包进行一致性校验以生成一致性结果记录；根据所述一致性结果记录，判断各所述电子控制单元与相对应的所述模块升级包是否一致；确定各所述电子控制单元与相对应的所述模块升级包一致，控制各所述电子控制单元根据接收到的所述模块升级包进行固件升级。
- 如权利要求1所述的车载系统升级方法，其中，所述控制所述车载终端从与所述升级包链接对应的内容分发服务器下载升级包的步骤包括：获取在预设周期内的下载平均传输速率；根据所述平均传输速率，判断所述平均传输速率是否为0；确定所述平均传输速率为0，判断所述升级包是否完整；响应于所述升级包完整的情况，执行所述根据下载完成的升级包进行固件升级的步骤。
- 如权利要求7所述的车载系统升级方法，其中，所述确定所述平均传输速率为0，判断所述升级包是否完整的步骤之后，还包括：响应于所述升级包不完整的情况，生成下载失败的日志并进入休眠模式；当接收到用户触发或所述升级流程服务器发送的唤醒指令的情况下，读取所述下载失败的日志；根据所述下载失败的日志，获取未下载完整的升级包的最终节点;发送根据所述最终节点生成的续传请求至所述升级流程服务器，以使所述升级流程服务器根据所述续传请求续传所述升级包至所述车载终端。
- 一种车辆，其中，所述车辆包括：存储器、处理器以及存储在所述存储器上并可在所述处理器上运行的车载系统升级程序，所述车载升级程序被所述处理器执行时实现如权利要求1~8任一项所述的车载系统升级方法。
- 一种可读存储介质，其中，所述可读存储介质上存储有车载系统升级程序，所述车载系统升级程序被处理器执行时实现如权利要求1~8中任一项所述的车载系统升级方法的步骤。
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| CN116594660A (zh) * | 2023-05-25 | 2023-08-15 | 成都赛力斯科技有限公司 | 一种ecu无感升级刷写方法、装置、电子设备及存储介质 |
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