CN113672258A - System upgrading method and device for vehicle, computer equipment and storage medium - Google Patents
System upgrading method and device for vehicle, computer equipment and storage medium Download PDFInfo
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Abstract
The application relates to a system upgrading method and device for a vehicle, computer equipment and a storage medium. The method comprises the following steps: receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area; carrying out consistency check on the new version file; if the consistency result of the new version file is checked to be correct, the current version file is written to the second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area; when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area; detecting the new edition file in the internal storage area to determine the system upgrading result; and if the system upgrading result represents that the upgrading is successful, the new version file is written to the second external storage area so as to cover the current version file stored in the second external storage area. By adopting the method, the efficiency of upgrading the vehicle system can be improved.
Description
Technical Field
The present application relates to the field of vehicle technologies, and in particular, to a method and an apparatus for upgrading a system of a vehicle, a computer device, and a storage medium.
Background
OTA (Over-the-Air Technology ) may enable online updates and upgrades of vehicle systems. The existing upgrading mode of the vehicle system mainly writes a Controller through a Controller Area Network (CAN) bus, but the updating speed of the mode is slow, the updating time is long, and the upgrading efficiency is low.
Disclosure of Invention
In view of the above, it is necessary to provide a system upgrade method, apparatus, computer device and storage medium for a vehicle, which can improve the upgrade efficiency of vehicle systems.
A method of system upgrade for a vehicle, the method comprising:
receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area;
carrying out consistency check on the new edition of file;
if the consistency result of the new version file is checked to be correct, the current version file is written to a second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area;
when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area;
detecting the new edition file in the internal storage area to determine a system upgrading result;
and if the system upgrading result represents that the upgrading is successful, the new version file is rewritten to a second external storage area so as to cover the current version file stored in the second external storage area.
In one embodiment, the method further comprises: and if the consistency result of the new edition file is verified to be wrong, the old edition file stored in the second external storage area is rewritten to the internal storage area, and the old edition file is operated so as to roll back the system edition of the vehicle.
In one embodiment, the method further comprises: after the consistency result of the new edition file is verified to be correct, an upgrade prompt is generated and transmitted to a visual device of the vehicle, so that a user is prompted to upgrade by the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
In one embodiment, the method further comprises: and if the system upgrading result represents upgrading failure, rewriting the current version file stored in the second external storage area to the internal storage area, and deleting the new version file stored in the first external storage area.
In one embodiment, the detecting the new version file in the internal storage area to determine the system upgrade result includes:
acquiring a first version number of a new version file in the internal storage area and acquiring a second version number of the new version file acquired when the new version file pushed by the cloud platform is received;
comparing the consistency of the first version number and the second version number;
if the first version number is consistent with the second version number, determining that the system upgrading result is successful;
and if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
In one embodiment, the method further comprises: and transmitting the upgrading result to a visualization device of the vehicle so as to visually display the upgrading result to a user by utilizing the visualization device.
In one embodiment, the method further comprises: and transmitting the upgrading result to the cloud platform so that the cloud platform can update the system version number of the vehicle according to the upgrading result, and storing the updated system version number into a cloud database.
A system upgrade apparatus for a vehicle, the apparatus comprising:
the receiving module is used for receiving the new version file pushed by the cloud platform and flashing the new version file to a first external storage area;
the processing module is used for carrying out consistency check on the new version file;
the processing module is further configured to, if the consistency result of the new version file is checked to be correct, flush the current version file to a second external storage area to cover the old version file stored in the second external storage area;
the processing module is further used for flashing the new version file in the first external storage area to an internal storage area when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained;
the processing module is further used for detecting the new version file in the internal storage area to determine a system upgrading result;
and the processing module is further used for flashing the new version file to a second external storage area to cover the current version file stored in the second external storage area if the system upgrading result represents that the upgrading is successful.
A computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area;
carrying out consistency check on the new edition of file;
if the consistency result of the new version file is checked to be correct, the current version file is written to a second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area;
when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area;
detecting the new edition file in the internal storage area to determine a system upgrading result;
and if the system upgrading result represents that the upgrading is successful, the new version file is rewritten to a second external storage area so as to cover the current version file stored in the second external storage area.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area;
carrying out consistency check on the new edition of file;
if the consistency result of the new version file is checked to be correct, the current version file is written to a second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area;
when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area;
detecting the new edition file in the internal storage area to determine a system upgrading result;
and if the system upgrading result represents that the upgrading is successful, the new version file is rewritten to a second external storage area so as to cover the current version file stored in the second external storage area.
According to the system upgrading method and device, the computer equipment and the storage medium of the vehicle, the new version file is written to the first external storage area in a flashing manner, the current version file is written to the second external storage area for backup under the condition that the new version is verified to be correct, and the new version file previously stored in the first external storage area is written to the internal storage area in a flashing manner according to the upgrading instruction of the user so as to carry out upgrading operation; and after the system is upgraded successfully, the new edition file is written to the second external storage area for backup, so that the vehicle system upgrade of this time is completed. Compared with a mode of flashing the controller through the CAN bus, the method and the device have the advantages that the flashing speed CAN be obviously improved and the upgrading efficiency of the vehicle system is improved by flashing the new version file of the first external storage area to the internal storage area.
Drawings
FIG. 1 is a diagram of an exemplary system upgrade method for a vehicle;
FIG. 2 is an internal structural view of a vehicle-mounted terminal in one embodiment;
FIG. 3 is a schematic flow chart diagram of a system upgrade method for a vehicle in one embodiment;
FIG. 4 is a flowchart illustrating the steps of detecting a new version file in the internal storage area to determine a system upgrade result according to an embodiment;
FIG. 5 is a schematic flow diagram of a vehicle system upgrade in one embodiment;
FIG. 6 is a block diagram showing a system upgrading apparatus of a vehicle according to one embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The vehicle system upgrading method provided by the application can be applied to the application environment shown in fig. 1. The vehicle-mounted terminal 110 is connected to the cloud platform 120 through a network. The in-vehicle terminal 110 may receive data transmitted by the cloud platform 120, so as to perform operations of system upgrade, rollback, backup, and the like of the vehicle. The vehicle-mounted terminal 110 may also upload data to the cloud platform 120, so as to perform operations such as reporting, returning, and backing up an upgrade result. Illustratively, the vehicle-mounted terminal 110 includes a vehicle-mounted machine, a vehicle-mounted TBox (Telematics Box, commonly referred to as a vehicle networking system), and the like. The cloud platform 120 may be implemented as a stand-alone server or a server cluster composed of a plurality of servers.
The upgrading of the vehicle generally refers to upgrading of the vehicle controller, for example, by performing a flash operation on the vehicle controller, so as to update and manage the program or configuration data of the vehicle controller. The flash operation refers to data read-write operation on a vehicle controller through the vehicle-mounted terminal based on a data communication protocol, and the data communication protocol includes but is not limited to CAN and the like. The Vehicle controller includes, but is not limited to, one or more of an Engine Management System (EMS), a Vehicle Control Unit (VCU), a Body Control Module (BCM), a Vehicle Gateway (Gateway), and a Hybrid Control Unit (HCU).
The entire vehicle structure of the vehicle is shown in fig. 2, for example, EMS, VCU, and TCU (only examples are given) perform data interaction with the vehicle-mounted TBox through the CAN bus, and the vehicle-mounted TBox and the vehicle-mounted machine communicate through USB. In the embodiment of the application, the memory area of the controller to be upgraded is improved. For example, in fig. 2, the EMS is taken as an example, the embodiment of the present application expands the storage area in the EMS, and by expanding two extra off-chip storage areas (i.e., an off-chip storage area 1 and an off-chip storage area 2 in the figure), the cost of the controller on the vehicle is significantly reduced, and meanwhile, the system is safer and more reliable when upgraded, and is convenient for returning when the upgrade has a problem. In some embodiments, the external storage area is also referred to as an off-chip storage area, or off-chip Flash, etc.; the internal storage area is also called system operation area, on-chip storage area, on-chip Flash, etc.
In the embodiment of the present application, for the sake of distinction, two external storage areas of the expansion setting are referred to as a first external storage area and a second external storage area, respectively. It should be noted that the above terms "first" and "second" are used in this application to describe different external storage areas, but these external storage areas should not be limited by these terms. These terms are only used to distinguish one external storage area from another. For example, a first external memory region may be referred to as a second external memory region, and similarly, a second external memory region may be referred to as a first external memory region, without departing from the scope of the various described embodiments, but they are not the same external memory region unless the context clearly dictates otherwise. A similar situation exists with a first version number and a second version number.
In one embodiment, as shown in fig. 3, a system upgrade method for a vehicle is provided, which is described by taking the method as an example applied to the vehicle-mounted terminal in fig. 1. In this embodiment, the method includes the steps of:
step S302, receiving the new version file pushed by the cloud platform, and flashing the new version file to the first external storage area.
Specifically, in a scene that a vehicle system is conventionally upgraded or a patch is required to be upgraded when a problem exists in the current version of the vehicle system, the vehicle-mounted terminal receives a new version file pushed by the cloud platform through the network, and writes the new version file into the first external storage area after receiving the new version file. The new version file is copied to the first external storage area for backup, and is not directly upgraded, so that the situation that the new version file is directly upgraded when having problems can be avoided, and a vehicle controller is effectively protected.
In some embodiments, the vehicle-mounted terminal performs data transmission and data interaction with the cloud platform through the OTA, for example, the vehicle-mounted terminal is in communication connection with the cloud platform through the OTA and downloads a new version file issued by the cloud platform. The OTA component can be integrated in the vehicle terminal or in the central gateway of the vehicle. The central gateway is a core control device of a vehicle network system, and has the functions of coordinating protocol conversion, data exchange and the like between CAN bus networks with different structures and characteristics and other data networks.
And step S304, carrying out consistency check on the new edition file.
The consistency check refers to checking the new version file obtained by the vehicle-mounted terminal and the new version file issued by an issuer (such as an automobile manufacturer) to determine whether the two files are consistent. The purpose of the consistency check is to ensure that the new version file obtained by the on-board terminal is the correct version without being injected with a destructive program such as a virus, a trojan horse program, etc.
Specifically, the vehicle-mounted terminal performs consistency check on the new version file which is written to the first external storage area. Illustratively, the vehicle-mounted terminal verifies the consistency of the new edition of the file through a digital signature. For example, the vehicle-mounted terminal generates a corresponding encrypted value for the new version file through an encryption algorithm, and compares the encrypted value with the encrypted value provided by the publisher, so as to determine whether the two files are consistent.
If the consistency result of the vehicle-mounted terminal for checking the new version of the file is wrong, the new version of the file is indicated to have problems, for example, the file is damaged or lost in the network transmission process, or viruses exist in the file, and the like. At this time, the vehicle-mounted terminal can report to the cloud platform and can also download again.
In some embodiments, if the consistency result of the new version file is verified to be incorrect, the old version file stored in the second external storage area is rewritten to the internal storage area, and the old version file is run to roll back the system version of the vehicle.
The second external storage area stores a file of a previous version of a current running version of the vehicle controller, which is called an old version file. Specifically, if the consistency result of the vehicle-mounted terminal for checking the new version file is wrong, the vehicle-mounted terminal writes the old version file stored in the second external storage area to the internal storage area in a flashing manner, and operates the old version file in the internal storage area to enable the system version of the vehicle to be returned.
In the embodiment, under the condition that the vehicle-mounted terminal determines that the new version file has problems through consistency check, cannot be upgraded accordingly, and meanwhile, the version currently running of the vehicle-mounted terminal has major problems, the system rollback is realized by flashing the old version file in the second external storage area to the internal storage area, so that the safety of a vehicle system is improved, the vehicle cannot normally run due to upgrade failure is prevented, and meanwhile, the potential safety hazard caused by the fact that the vehicle runs the current version with problems under the condition that the vehicle cannot be upgraded is avoided.
Step S306, if the consistency result of the new version file is checked to be correct, the current version file is written to the second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area.
If the consistency result of the vehicle-mounted terminal for checking the new version file is correct, the new version file is proved to have no problem, and the vehicle-mounted terminal can carry out system upgrade according to the new version file. Specifically, the vehicle-mounted terminal writes a currently running version file (referred to as a current version file for short) to the second external storage area in a flashing manner so as to cover the old version file stored in the second external storage area, so that the current version file is backed up, and the vehicle-mounted terminal can be used for backing back under the condition that subsequent upgrading fails.
In some embodiments, after the consistency result of the new version file is verified to be correct, the vehicle-mounted terminal generates an upgrade prompt and transmits the upgrade prompt to a visual device of the vehicle so as to prompt a user to upgrade by using the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
The upgrade prompt is used for prompting the user that the vehicle can be upgraded, and includes but is not limited to one or more of a text prompt, a pattern prompt, a voice prompt and the like. Specifically, after the consistency result of the new version file is verified to be correct, the vehicle-mounted terminal generates an upgrade prompt and transmits the upgrade prompt to a visual device of the vehicle, so that a user is prompted to upgrade through the visual device. The visualization device includes, but is not limited to, a display screen, a holographic projection, and the like. For example, the vehicle-mounted terminal transmits the upgrade prompt to a display screen of the vehicle-mounted terminal to prompt the user to upgrade. In some embodiments, the visualization device may also be a portable electronic device communicatively connected to the in-vehicle terminal, such as a laptop, a smartphone, a tablet, a smartwatch, and an AR/VR/MR device. For example, the in-vehicle terminal sends an upgrade prompt to the portable electronic device through wireless communication (such as Wi-Fi, 4G/5G/6G, Bluetooth and the like) or wired communication, and prompts a user to upgrade through a display device of the portable electronic device.
According to the upgrading prompt prompted by the visualization device, the user can trigger upgrading operation, so that the vehicle-mounted terminal executes system upgrading. Illustratively, based on the upgrade prompt, the user performs touch operation on a display screen of the vehicle-mounted terminal or performs voice indication on the vehicle-mounted terminal, so as to trigger the upgrade operation; correspondingly, the vehicle-mounted terminal generates an upgrading instruction based on the upgrading operation triggered by the user, and the upgrading instruction is used for indicating the vehicle-mounted terminal to execute system upgrading. For another example, the user triggers an upgrade operation on the portable electronic device, for example, in an option of "whether to perform system upgrade" provided on a touch-sensitive display screen of the portable electronic device, a virtual button of "yes" is selected, so that the portable electronic device generates an upgrade instruction based on the trigger operation of the user and transmits the upgrade instruction to the in-vehicle terminal, so that the in-vehicle terminal performs system upgrade according to the upgrade instruction.
In the embodiment, the upgrading prompt is generated through the vehicle-mounted terminal and is transmitted to the visual device of the vehicle, so that the user can be visually prompted that the vehicle needs to be upgraded, the user can know the system condition of the vehicle in time conveniently, the user can select proper time to upgrade conveniently, and the user experience is improved; meanwhile, the upgrading operation is executed after the user triggers the upgrading operation, so that potential safety hazards which may exist in self-upgrading without the user indication are avoided.
And step S308, when an upgrade instruction generated based on the upgrade operation triggered by the user is obtained, the new edition file in the first external storage area is written to the internal storage area.
Specifically, when the vehicle-mounted terminal obtains an upgrade instruction generated based on the user triggering upgrade operation, subsequent upgrade operation is executed according to the upgrade instruction, and a new version file previously written into the first external storage area is written into the internal storage area.
Step S310, a new version file in the internal storage area is detected to determine a system upgrade result.
Specifically, after the vehicle-mounted terminal writes the new version file into the internal storage area, the vehicle-mounted terminal detects the new version file in the internal storage area, that is, detects whether the new version file is written successfully, so as to determine a system upgrading result.
In some embodiments, as shown in fig. 4, the in-vehicle terminal detects a new version file in the internal storage area to determine a system upgrade result, including:
step S402, acquiring a first version number of a new version file in an internal storage area, and acquiring a second version number of the new version file acquired when the new version file pushed by a cloud platform is received;
step S404, comparing the consistency of the first version number and the second version number;
step S406, if the first version number is consistent with the second version number, determining that the system upgrading result is successful;
and step S408, if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
Specifically, the vehicle-mounted terminal extracts a first version number of a new version file which is written in the internal storage area, and acquires a second version number of the new version file, wherein the second version number of the new version file is acquired by the vehicle-mounted terminal when the vehicle-mounted terminal receives the new version file pushed by the cloud platform. The version number comprises one or more of a software version number, a calibration data version number and the like. The vehicle-mounted terminal compares the consistency of the first version number and the second version number; if the first version number is consistent with the second version number, determining that the system upgrading result is successful; otherwise, if the first version number is not consistent with the second version number, the system upgrading result is determined to be upgrading failure.
In some embodiments, the in-vehicle terminal may obtain the software version number when the new version file is received, extract the software version number of the new version file that is flashed to the internal storage area, and compare whether the two software version numbers are consistent. If the two software version numbers are consistent, determining that the system upgrading result is successful in upgrading; and if the two software version numbers are not consistent, determining that the system upgrading result is upgrading failure.
In some embodiments, the vehicle-mounted terminal may obtain the version number of the calibration data when the new version file is received, extract the version number of the calibration data of the new version file which is written to the internal storage area, and compare whether the two version numbers of the calibration data are consistent. If the version numbers of the two calibration data are consistent, determining that the upgrading result of the system is successful; and if the version numbers of the two calibration data are not consistent, determining that the upgrading result of the system is upgrading failure.
In some embodiments, the in-vehicle terminal may obtain the software version number and the calibration data version number when the new version file is received, and extract the software version number and the calibration data version number of the new version file that is flushed to the internal storage area. If the software version number is consistent with the calibration data version number, determining that the system upgrading result is successful; and if at least one type of version number in the software version number and the calibration data version number is inconsistent, determining that the system upgrading result is upgrading failure.
In the embodiment, whether the version number of the new version file which is flashed to the internal storage area is consistent with the version number of the new version file which is received at the beginning is detected through the vehicle-mounted terminal, so that whether the flashing is successful is detected, and the condition of failure of the flashing can be found in time; and under the condition that the received new version file is correct, the first external storage area backs up the new version file, so that the first external storage area can be used for re-flashing under the condition of failure in flashing, the complex step of re-downloading the new version file from the cloud platform is avoided, and the speed and the efficiency of system upgrading are improved.
Step S312, if the system upgrade result represents that the upgrade is successful, the new version file is rewritten to the second external storage area to cover the current version file stored in the second external storage area.
Specifically, if the vehicle-mounted terminal detects that the new version file is successfully written over, and when the system upgrade result represents that the upgrade is successful, the vehicle-mounted terminal writes over the new version file to the second external storage area for backup, and covers the current version file which is written over to the second external storage area and stored in the second external storage area before.
According to the system upgrading method for the vehicle, the controller storage area is improved, the first external storage area and the second external storage area are set, the internal storage area is not expanded, and the hardware cost of the vehicle controller is remarkably reduced. The method comprises the steps that a new version file is stored in a first external storage area, a current version file is written to a second external storage area for backup under the condition that a new version is verified to be correct, and the new version file previously stored in the first external storage area is written to an internal storage area according to an upgrading instruction of a user so as to carry out upgrading operation; and after the system is upgraded successfully, the new edition file is written to the second external storage area for backup, so that the vehicle system upgrade of this time is completed. Compared with a mode of writing the internal storage area of the controller by the CAN bus (at the moment, the controller is unavailable, and the vehicle cannot run), the method has the advantages that the new version file is firstly written to the external storage area, and normal driving of the vehicle is not influenced at the moment. And then, the new edition file of the first external storage area is rewritten to the internal storage area, so that the rewriting speed can be obviously improved, and the upgrading efficiency of the vehicle system is improved. Meanwhile, the vehicle cannot run during upgrading, and a user is sensitive to the perception of the upgrading time, so that the upgrading speed is increased through the vehicle system upgrading method, and the use experience of the user is improved.
In some embodiments, if the system upgrade result represents that the upgrade fails, the in-vehicle terminal rewrites the current version file previously backed up in the second external storage area into the internal storage area, so as to roll back the system to the version running before the new version file is rewritten, that is, to the current running version. In some embodiments, after the vehicle-mounted terminal backs up the system due to the failure of the upgrade, the new version file in the first external storage area can be deleted, so that a storage space is reserved for use in the next upgrade operation.
In some embodiments, the system upgrade method for a vehicle further includes the step of transmitting the upgrade result to a visualization device of the vehicle to visually present the upgrade result to a user using the visualization device. Specifically, no matter the system upgrading result is upgrading success or failure, the vehicle-mounted terminal sends the system upgrading result to a visual device of the vehicle, so that the upgrading result is visually displayed to a user as upgrading success or failure. For example, the display screen of the visualization device displays the results in a visualization display manner such as characters, patterns, and projections, thereby prompting the user of the upgrade results.
In the above embodiment, the upgrading result is transmitted to the visualization device through the vehicle-mounted terminal, and the visualization device visually displays the upgrading result to the user, so that the user can timely know the upgrading condition of the system, and the user experience is improved.
In some embodiments, the vehicle system upgrading method further includes the step of transmitting the upgrading result to the cloud platform, so that the cloud platform updates the system version number of the vehicle according to the upgrading result, and stores the updated system version number in the cloud database.
Specifically, no matter the upgrading result of the system is successful or failed, the vehicle-mounted terminal transmits the upgrading result to the cloud platform through the network for reporting; correspondingly, after receiving the upgrade result reported by the vehicle-mounted terminal, the cloud platform updates the system version number of the vehicle according to the upgrade result, and stores the updated system version number of the vehicle into the cloud database. Illustratively, when the system upgrade result is that the upgrade is successful, the vehicle-mounted terminal reports the upgrade result of the upgrade to the cloud platform, and the cloud platform updates the system version number corresponding to the vehicle-mounted terminal into the version number after the upgrade is successful in the database. For another example, when the system upgrading result is upgrading failure, the vehicle-mounted terminal reports the upgrading result of the upgrading failure to the cloud platform; due to the fact that upgrading is failed, the system version number of the vehicle is not changed, and therefore the cloud platform can be updated to the same system version number or the system version number stored in the database does not need to be updated.
In the above embodiment, the upgrading result is reported to the cloud platform through the vehicle-mounted terminal, so that the cloud platform can timely know the upgrading condition of the vehicle, and the vehicle can be managed by the cloud platform conveniently.
In one particular embodiment, as shown in FIG. 5, the objective of vehicle upgrade is the engine controller, for example. The current engine controller is running version a. And assuming that the publisher finds that the calibration data of the version A has problems and needs to be updated, the new version C is issued through the cloud platform. The vehicle-mounted terminal receives the new version C through the OTA, and writes the new version C into a first external storage area (external storage area, namely off-chip Flash) through a CAN bus based on a UDS (Universal Diagnostic services) protocol. At this time, three versions are stored in the storage area of the vehicle, the currently running version A is in the internal storage area (i.e. Flash in the chip), the last version B is in the second external storage area, and the backup new version C is in the first external storage area.
After the backup of the new version C is finished, the vehicle-mounted terminal checks whether the new version C has problems, if the new version C has problems, the vehicle-mounted terminal writes the version B in the second external storage area to the internal storage area in a flashing manner because the current version A also has problems; and after the vehicle-mounted terminal is restarted, the vehicle system is returned to the version B. At this time, the versions stored in the internal storage area, the second external storage area, and the first external storage area are: version B, and version C. If the new version C has no problem, the vehicle-mounted terminal firstly backs up the version A, namely, the version A in the internal storage area is rewritten to the second external storage area, and the situation that the vehicle-mounted terminal cannot return when a problem occurs in subsequent upgrading is prevented. At this time, the versions stored in the internal storage area, the second external storage area, and the first external storage area are: version a, and version C.
And then, the vehicle-mounted terminal triggers the vehicle-mounted display screen by using the OTA to prompt the user that the upgrading is needed. And the user performs touch operation through the display screen of the vehicle, and after clicking 'agreeing to upgrade' on the display screen, the vehicle-mounted terminal obtains an upgrade instruction through the OTA and executes subsequent upgrade operation according to the upgrade instruction.
And writing the version C into the internal storage area by the vehicle-mounted terminal, namely writing the version C in the first external storage area into the internal storage area. At this time, the versions stored in the internal storage area, the second external storage area, and the first external storage area are: version C, version a, and version C. And then, the vehicle-mounted terminal detects whether the upgrade is successful, if so, the vehicle-mounted terminal executes the restart operation, runs the version C of the internal storage area, completes the upgrade operation and reports the upgrade result of the upgrade success to the cloud platform. And if the upgrade fails, the vehicle-mounted terminal writes the version A into the internal storage area, namely, the version A which is backed up in the second external storage area before is refreshed into the internal storage area. At this time, the versions stored in the internal storage area, the second external storage area, and the first external storage area are: version a, and version C. And the vehicle-mounted terminal executes the restarting operation and runs the version A of the internal storage area, so that the system rollback is realized, and the upgrading result of the upgrading failure is reported to the cloud platform.
It should be understood that although the various steps in the flow charts of fig. 3-5 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 3-5 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.
In one embodiment, as shown in fig. 6, there is provided a system upgrade apparatus 600 for a vehicle, including: a receiving module 610 and a processing module 620. Wherein:
the receiving module 610 is configured to receive the new version file pushed by the cloud platform, and flash the new version file to the first external storage area.
And the processing module 620 is configured to perform consistency check on the new version file.
The processing module 620 is further configured to, if the consistency result of the new version file is checked to be correct, flush the current version file to the second external storage area to cover the old version file stored in the second external storage area.
And the processing module 620 is further configured to, when an upgrade instruction generated based on the user triggering the upgrade operation is obtained, flush the new version file in the first external storage area to the internal storage area.
The processing module 620 is further configured to detect a new version file in the internal storage area to determine a system upgrade result.
The processing module 620 is further configured to, if the system upgrade result indicates that the upgrade is successful, flush the new version file to the second external storage area to cover the current version file stored in the second external storage area.
In one embodiment, the processing module is further configured to, if the consistency result of the new version file is verified to be incorrect, flush the old version file stored in the second external storage area to the internal storage area, and run the old version file to roll back the system version of the vehicle.
In one embodiment, the system further comprises a prompting module, which is used for generating an upgrade prompt after the consistency result of the new version file is verified to be correct, and transmitting the upgrade prompt to a visual device of the vehicle so as to prompt a user to upgrade by using the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
In one embodiment, the processing module is further configured to, if the system upgrade result indicates that the upgrade fails, rewrite the current version file stored in the second external storage area to the internal storage area, and delete the new version file stored in the first external storage area.
In one embodiment, the processing module is further configured to obtain a first version number of the new version file in the internal storage area, and obtain a second version number of the new version file obtained when the new version file pushed by the cloud platform is received; comparing the consistency of the first version number and the second version number; if the first version number is consistent with the second version number, determining that the system upgrading result is successful; and if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
In one embodiment, the vehicle further comprises a display module for transmitting the upgrade result to a visualization device of the vehicle so as to visually display the upgrade result to a user by using the visualization device.
In one embodiment, the system further includes a reporting module, configured to transmit the upgrade result to the cloud platform, so that the cloud platform updates the system version number of the vehicle according to the upgrade result, and stores the updated system version number in the cloud database.
For specific definition of the system upgrading device for the vehicle, reference may be made to the above definition of the system upgrading method for the vehicle, and details are not described here. The respective modules in the system upgrading apparatus for a vehicle described above may be wholly or partially implemented by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, and the computer device may be the vehicle-mounted terminal in the foregoing embodiments, and the internal structure diagram thereof may be as shown in fig. 7. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a system upgrade method for a vehicle. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having a computer program stored therein, the processor implementing the following steps when executing the computer program: receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area; carrying out consistency check on the new version file; if the consistency result of the new version file is checked to be correct, the current version file is written to the second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area; when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area; detecting the new edition file in the internal storage area to determine the system upgrading result; and if the system upgrading result represents that the upgrading is successful, the new version file is written to the second external storage area so as to cover the current version file stored in the second external storage area.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and if the consistency result of the new edition file is verified to be wrong, the old edition file stored in the second external storage area is rewritten to the internal storage area, and the old edition file is operated so as to enable the system edition of the vehicle to be returned.
In one embodiment, the processor, when executing the computer program, further performs the steps of: after the consistency result of the new edition file is verified to be correct, an upgrade prompt is generated and transmitted to a visual device of the vehicle, so that a user is prompted to upgrade by the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
In one embodiment, the processor, when executing the computer program, further performs the steps of: acquiring a first version number of a new version file in an internal storage area, and acquiring a second version number of the new version file acquired when the new version file pushed by a cloud platform is received; comparing the consistency of the first version number and the second version number; if the first version number is consistent with the second version number, determining that the system upgrading result is successful; and if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and transmitting the upgrading result to a visualization device of the vehicle so as to visually display the upgrading result to a user by utilizing the visualization device.
In one embodiment, the processor, when executing the computer program, further performs the steps of: and transmitting the upgrading result to the cloud platform so that the cloud platform can update the system version number of the vehicle according to the upgrading result, and storing the updated system version number into the cloud database.
According to the computer device, the first external storage area and the second external storage area are set by improving the storage area of the controller instead of expanding the internal storage area, so that the hardware cost of the vehicle controller is remarkably reduced. The method comprises the steps that a new version file is stored in a first external storage area, a current version file is written to a second external storage area for backup under the condition that a new version is verified to be correct, and the new version file previously stored in the first external storage area is written to an internal storage area according to an upgrading instruction of a user so as to carry out upgrading operation; and after the system is upgraded successfully, the new edition file is written to the second external storage area for backup, so that the vehicle system upgrade of this time is completed. Compared with a mode of flashing the controller through the CAN bus, the method and the device have the advantages that the flashing speed CAN be obviously improved and the upgrading efficiency of the vehicle system is improved by flashing the new version file of the first external storage area to the internal storage area. Meanwhile, the vehicle cannot run during upgrading, and a user is sensitive to the perception of the upgrading time, so that the upgrading speed is increased through the vehicle system upgrading method, and the use experience of the user is improved.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of: receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area; carrying out consistency check on the new version file; if the consistency result of the new version file is checked to be correct, the current version file is written to the second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area; when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area; detecting the new edition file in the internal storage area to determine the system upgrading result; and if the system upgrading result represents that the upgrading is successful, the new version file is written to the second external storage area so as to cover the current version file stored in the second external storage area.
In one embodiment, the computer program when executed by the processor further performs the steps of: and if the consistency result of the new edition file is verified to be wrong, the old edition file stored in the second external storage area is rewritten to the internal storage area, and the old edition file is operated so as to enable the system edition of the vehicle to be returned.
In one embodiment, the computer program when executed by the processor further performs the steps of: after the consistency result of the new edition file is verified to be correct, an upgrade prompt is generated and transmitted to a visual device of the vehicle, so that a user is prompted to upgrade by the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring a first version number of a new version file in an internal storage area, and acquiring a second version number of the new version file acquired when the new version file pushed by a cloud platform is received; comparing the consistency of the first version number and the second version number; if the first version number is consistent with the second version number, determining that the system upgrading result is successful; and if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
In one embodiment, the computer program when executed by the processor further performs the steps of: and transmitting the upgrading result to a visualization device of the vehicle so as to visually display the upgrading result to a user by utilizing the visualization device.
In one embodiment, the computer program when executed by the processor further performs the steps of: and transmitting the upgrading result to the cloud platform so that the cloud platform can update the system version number of the vehicle according to the upgrading result, and storing the updated system version number into the cloud database.
The computer readable storage medium has the advantages that the hardware cost of the vehicle controller is remarkably reduced by improving the controller storage area and setting the first external storage area and the second external storage area instead of expanding the internal storage area. The method comprises the steps that a new version file is stored in a first external storage area, a current version file is written to a second external storage area for backup under the condition that a new version is verified to be correct, and the new version file previously stored in the first external storage area is written to an internal storage area according to an upgrading instruction of a user so as to carry out upgrading operation; and after the system is upgraded successfully, the new edition file is written to the second external storage area for backup, so that the vehicle system upgrade of this time is completed. Compared with a mode of flashing the controller through the CAN bus, the method and the device have the advantages that the flashing speed CAN be obviously improved and the upgrading efficiency of the vehicle system is improved by flashing the new version file of the first external storage area to the internal storage area. Meanwhile, the vehicle cannot run during upgrading, and a user is sensitive to the perception of the upgrading time, so that the upgrading speed is increased through the vehicle system upgrading method, and the use experience of the user is improved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method of system upgrade for a vehicle, the method comprising:
receiving a new version file pushed by a cloud platform, and flashing the new version file to a first external storage area;
carrying out consistency check on the new edition of file;
if the consistency result of the new version file is checked to be correct, the current version file is written to a second external storage area in a flashing mode so as to cover the old version file stored in the second external storage area;
when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained, the new version file in the first external storage area is flashed to the internal storage area;
detecting the new edition file in the internal storage area to determine a system upgrading result;
and if the system upgrading result represents that the upgrading is successful, the new version file is rewritten to a second external storage area so as to cover the current version file stored in the second external storage area.
2. The method of claim 1, further comprising: and if the consistency result of the new edition file is verified to be wrong, the old edition file stored in the second external storage area is rewritten to the internal storage area, and the old edition file is operated so as to roll back the system edition of the vehicle.
3. The method of claim 1, further comprising: after the consistency result of the new edition file is verified to be correct, an upgrade prompt is generated and transmitted to a visual device of the vehicle, so that a user is prompted to upgrade by the visual device; and when the user triggers the upgrading operation based on the upgrading prompt, generating an upgrading instruction.
4. The method of claim 1, further comprising: and if the system upgrading result represents upgrading failure, rewriting the current version file stored in the second external storage area to the internal storage area, and deleting the new version file stored in the first external storage area.
5. The method of claim 1, wherein the detecting the new version file in the internal storage area to determine a system upgrade result comprises:
acquiring a first version number of a new version file in the internal storage area and acquiring a second version number of the new version file acquired when the new version file pushed by the cloud platform is received;
comparing the consistency of the first version number and the second version number;
if the first version number is consistent with the second version number, determining that the system upgrading result is successful;
and if the first version number is not consistent with the second version number, determining that the system upgrading result is upgrading failure.
6. The method according to any one of claims 1 to 5, further comprising: and transmitting the upgrading result to a visualization device of the vehicle so as to visually display the upgrading result to a user by utilizing the visualization device.
7. The method according to any one of claims 1 to 5, further comprising: and transmitting the upgrading result to the cloud platform so that the cloud platform can update the system version number of the vehicle according to the upgrading result, and storing the updated system version number into a cloud database.
8. A system upgrade apparatus for a vehicle, the apparatus comprising:
the receiving module is used for receiving the new version file pushed by the cloud platform and flashing the new version file to a first external storage area;
the processing module is used for carrying out consistency check on the new version file;
the processing module is further configured to, if the consistency result of the new version file is checked to be correct, flush the current version file to a second external storage area to cover the old version file stored in the second external storage area;
the processing module is further used for flashing the new version file in the first external storage area to an internal storage area when an upgrade instruction generated based on the upgrade operation triggered by a user is obtained;
the processing module is further used for detecting the new version file in the internal storage area to determine a system upgrading result;
and the processing module is further used for flashing the new version file to a second external storage area to cover the current version file stored in the second external storage area if the system upgrading result represents that the upgrading is successful.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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