CN115292143A - Equipment driving method and system based on central computing platform - Google Patents
Equipment driving method and system based on central computing platform Download PDFInfo
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- CN115292143A CN115292143A CN202211223926.8A CN202211223926A CN115292143A CN 115292143 A CN115292143 A CN 115292143A CN 202211223926 A CN202211223926 A CN 202211223926A CN 115292143 A CN115292143 A CN 115292143A
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- 238000000034 method Methods 0.000 title claims abstract description 45
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- 238000004590 computer program Methods 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 6
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3013—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is an embedded system, i.e. a combination of hardware and software dedicated to perform a certain function in mobile devices, printers, automotive or aircraft systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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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
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4494—Execution paradigms, e.g. implementations of programming paradigms data driven
Abstract
A device driving method and a device driving system based on a central computing platform detect whether a vehicle-mounted device is accessed through a CCP platform base of a vehicle, judge whether an obtained device identifier is a device identifier of the used vehicle-mounted device, if the obtained device identifier is a device identifier of the unused vehicle-mounted device, a cloud returns legal feedback of the corresponding vehicle-mounted device based on the device identifier, and the CCP platform base of the vehicle detects whether the vehicle-mounted device is provided with a drive, so that the identification of the replaced or iterated vehicle-mounted device and the drive of the vehicle-mounted device can be automatically completed, and the plug and play of the replaced or iterated vehicle-mounted device are realized while the safety is ensured. In addition, the cloud end is used for detecting whether the vehicle-mounted equipment is legal or not, so that illegal equipment access can be effectively identified and isolated, and hidden danger on vehicle safety is avoided.
Description
Technical Field
The invention relates to a device driving method and system based on a central computing platform.
Background
At present, iteration or replacement of a vehicle on hardware equipment is frequent, and the existing scheme cannot ensure that a vehicle system can automatically identify and start the hardware after iteration or replacement after the iteration or replacement of the hardware equipment; and the existing vehicle system can not effectively identify and isolate illegal equipment access, thereby causing hidden danger to vehicle safety.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device driving method and system based on a central computing platform.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a device driving method based on a central computing platform, which comprises the following steps:
the CCP platform base of the vehicle detects whether the vehicle-mounted equipment is accessed, if the vehicle-mounted equipment is accessed, the equipment identifier is obtained, whether the obtained equipment identifier is the equipment identifier of the used vehicle-mounted equipment is judged,
if the acquired device identifier is a device identifier of the unused vehicle-mounted device, the CCP platform base of the vehicle sends a query request to the cloud based on the device identifier, if the cloud returns legal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted device is provided with a drive, and if the CCP platform base detects that the drive is provided, the CCP platform base controls the vehicle-mounted device to realize a corresponding function;
and if the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, controlling the vehicle-mounted equipment to realize the corresponding function by the CCP platform base.
Further, in the above method, after detecting whether the vehicle-mounted device has installed the drive, the method further includes:
if the CCP platform base detects that the driver is not installed, the CCP platform base sends a driver downloading request of the vehicle-mounted device to the cloud end, a driver based on the driver downloading request is obtained from the cloud end, and after the driver is installed on the vehicle-mounted device, the CCP platform base controls the vehicle-mounted device to achieve a corresponding function.
Further, in the method, after the CCP platform base of the vehicle sends the query request to the cloud based on the device identifier, the method further includes:
and if the cloud returns the illegal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, the CCP platform base of the vehicle sends the illegal prompt information of the vehicle-mounted equipment to the human-computer interaction interface equipment of the vehicle.
Further, in the above method, the sending, by the CCP platform base of the vehicle, a query request to the cloud based on the device identifier, and if the cloud returns a legal feedback of the corresponding vehicle-mounted device based on the device identifier, the method includes:
the CCP platform base of the vehicle sends the data to the cloud end based on the device identifier, and the CCP platform base comprises: a query request for equipment type, equipment manufacturer, equipment version number and equipment serial number;
the cloud compares the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database,
and if the comparison is consistent, the cloud returns legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
Further, in the above method, the vehicle-mounted device includes: the CCP computing board card, the CCP storage board card, the camera, the display screen and other USB access vehicle-mounted equipment.
According to another aspect of the present invention, there is also provided a central computing platform based device driver system, comprising:
the CCP platform base of the vehicle is used for detecting whether the vehicle-mounted equipment is accessed, if yes, acquiring an equipment identifier, judging whether the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, if not, sending an inquiry request to the cloud based on the equipment identifier, if the cloud returns legal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, detecting whether the vehicle-mounted equipment is provided with a drive, and if so, controlling the vehicle-mounted equipment to realize a corresponding function; if the acquired device identifier is the device identifier of the used vehicle-mounted device, controlling the vehicle-mounted device to realize a corresponding function;
and the cloud is used for feeding back whether the corresponding vehicle-mounted equipment is legal or not to the CCP platform base based on the query request sent by the CCP platform base of the vehicle.
Further, in the foregoing device, the CCP platform base is further configured to send a drive download request of the vehicle-mounted device to the cloud end if it is detected that the drive is not installed, obtain a driver based on the drive download request from the cloud end, and after the driver is installed in the vehicle-mounted device, the CCP platform base controls the vehicle-mounted device to implement a corresponding function.
Further, in the foregoing device, the CCP platform base is further configured to send an illegal prompt message of the vehicle-mounted device to the human-computer interaction interface device of the vehicle if the cloud returns an illegal feedback of the corresponding vehicle-mounted device based on the device identifier.
Further, in the foregoing device, the CCP platform base is configured to send to the cloud based on the device identifier, and includes: a query request of equipment type, equipment manufacturer, equipment version number and equipment serial number;
and the cloud end is used for comparing the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database, and if the comparison is consistent, returning the legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
Further, in the above apparatus, the in-vehicle apparatus includes: the CCP computing board card, the CCP storage board card, the camera, the display screen and other USB access vehicle-mounted equipment.
In summary, the CCP platform base of the vehicle detects whether a vehicle-mounted device is accessed, if the vehicle-mounted device is accessed, a device identifier is obtained, whether the obtained device identifier is a device identifier of a used vehicle-mounted device is judged, if the obtained device identifier is a device identifier of an unused vehicle-mounted device, the CCP platform base of the vehicle sends a query request to a cloud based on the device identifier, if the cloud returns a legal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted device is provided with a drive, and if the vehicle-mounted device is detected to be provided with the drive, the CCP platform base controls the vehicle-mounted device to realize a corresponding function; and if the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, controlling the vehicle-mounted equipment to realize the corresponding function by the CCP platform base. Further, if it is detected that the driver is not installed, the CCP platform base may send a driver download request of the vehicle-mounted device to the cloud, obtain a driver based on the driver download request from the cloud, install the driver to the vehicle-mounted device, and then the CCP platform base controls the vehicle-mounted device to implement a corresponding function. Therefore, the invention can automatically complete the recognition of the vehicle-mounted equipment after replacement or iteration and the driving of the vehicle-mounted equipment, realize the plug and play of the vehicle-mounted equipment after replacement or iteration and simultaneously ensure the safety. In addition, the cloud detection method detects whether the vehicle-mounted equipment is legal or not, can effectively identify and isolate illegal equipment access, and avoids hidden danger to vehicle safety.
Drawings
FIG. 1 is a schematic diagram of a device driving method and system based on a central computing platform according to an embodiment of the present invention;
fig. 2 is a flowchart of a device driving method based on a central computing platform according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
As shown in fig. 1 and 2, the present invention provides a device driving method based on a central computing platform, including:
s1, a CCP platform base of a vehicle detects whether a vehicle-mounted device is accessed, if the vehicle-mounted device is accessed, a device identifier is obtained, whether the obtained device identifier is the device identifier of the used vehicle-mounted device is judged,
here, a CCP (Central Computing Platform) Platform base may be used to manage driving of each board card inside the CCP, and when the board card is replaced or expanded, the CCP Platform base may automatically identify and install the driving;
s2, if the acquired device identifier is a device identifier of the unused vehicle-mounted device, the CCP platform base of the vehicle sends a query request to the cloud based on the device identifier, if the cloud returns legal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted device is provided with a drive, and if the vehicle-mounted device is detected to be provided with the drive, the step S3 is switched to; if the acquired device identifier is the device identifier of the vehicle-mounted device which has been used, the step goes to step S3;
when the vehicle-mounted equipment is powered on, the vehicle-mounted equipment can send out an equipment identifier, the CCP platform base can identify whether the equipment identifier is the equipment used by the vehicle, and if so, the vehicle enters a normal working mode to realize functions; if not, the CCP platform base can access the cloud network to identify whether the equipment is legal equipment, and before that, identifiers of all legal vehicle-mounted equipment are transmitted to the cloud platform of the host factory through a production management system of a manufacturer to serve as a database of the legal equipment;
and S3, controlling the vehicle-mounted equipment to realize corresponding functions by the CCP platform base.
Here, with The rapid development of smart cars, the iteration speed is closer to consumer electronics, and an OTA technology (Over-The-Air technology) is introduced in The current software iteration, so as to support The software upgrading requirement of a user in a full life cycle and improve The user experience. However, because hardware is a carrier of software, a functional boundary of the software is determined, pure software iteration has a limited improvement on user experience, and sometimes hardware iteration is required to cooperate to provide a peak experience for a user.
The CCP platform base of the vehicle detects whether the vehicle-mounted equipment is accessed, if the vehicle-mounted equipment is accessed, the CCP platform base of the vehicle acquires an equipment identifier, judges whether the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, if the acquired equipment identifier is the equipment identifier of the unused vehicle-mounted equipment, the CCP platform base of the vehicle sends a query request to the cloud based on the equipment identifier, if the cloud returns the legal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted equipment is provided with a drive, and if the CCP platform base detects that the drive is provided, the CCP platform base controls the vehicle-mounted equipment to realize the corresponding function; if the obtained device identifier is the device identifier of the used vehicle-mounted device, the CCP platform base controls the vehicle-mounted device to realize the corresponding function, the identification of the replaced or iterated vehicle-mounted device and the driving of the vehicle-mounted device can be automatically completed, the replaced or iterated vehicle-mounted device is plugged and used, and meanwhile, the safety is guaranteed. In addition, the cloud end is used for detecting whether the vehicle-mounted equipment is legal or not, so that illegal equipment access can be effectively identified and isolated, and hidden danger on vehicle safety is avoided.
In an embodiment of the device driving method based on a central computing platform, in step S2, after detecting whether a driver is installed on the vehicle-mounted device, the method further includes:
and if the driver is not installed, the CCP platform base sends a driver downloading request of the vehicle-mounted equipment to the cloud end, a driver based on the driver downloading request is obtained from the cloud end, and the step S3 is carried out after the driver is installed on the vehicle-mounted equipment.
If the driver of the vehicle-mounted equipment is installed, the CCP platform base can enter a normal working mode to realize the function of the vehicle-mounted equipment;
if the driver of the vehicle-mounted equipment is not installed, the CCP platform base can request the cloud to download the driver, and after the installation is finished, the CCP platform base can enter a normal working mode to realize the function of the vehicle-mounted equipment.
In an embodiment of the device driving method based on a central computing platform of the present invention, in step S2, after the CCP platform base of the vehicle sends the query request to the cloud based on the device identifier, the method further includes:
and if the cloud returns the illegal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, the CCP platform base of the vehicle sends the illegal prompt information of the vehicle-mounted equipment to the human-computer interaction interface equipment of the vehicle.
Here, if the device is illegal, the CCP platform chassis may prompt the user that the vehicle-mounted device is not authenticated by the host factory and cannot be used through an HMI (Human Machine Interface) device, and please check the source of the device.
In this embodiment, after the cloud returns the illegal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle sends the illegal prompt information of the vehicle-mounted device to the human-computer interaction interface device of the vehicle, so that the illegal device access can be effectively identified and isolated, and the potential safety hazard of the vehicle is avoided.
In an embodiment of the device driving method based on the central computing platform, in step S2, the CCP platform base of the vehicle sends a query request to the cloud based on the device identifier, and if the cloud returns a legal feedback of the corresponding vehicle-mounted device based on the device identifier, the method includes:
the CCP platform base of the vehicle sends the CCP platform base to the cloud end based on the device identifier, and the CCP platform base comprises: a query request of equipment type, equipment manufacturer, equipment version number and equipment serial number;
the cloud compares the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database,
and if the comparison is consistent, the cloud returns legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
Here, in this embodiment, the cloud compares the received device type, device manufacturer, device version number, and device serial number with the device type, device manufacturer, device version number, and device serial number prestored in the database, and can more efficiently and reliably detect whether the vehicle-mounted device is legal.
As shown in fig. 1, in an embodiment of the device driving method based on a central computing platform according to the present invention, the vehicle-mounted device includes: the CCP computing board, the CCP storage board, the camera, the display screen and other USB access vehicle-mounted equipment.
The CCP calculation board card can be a high-performance calculation board card for an intelligent cabin or intelligent driving, and has high iteration frequency and multiple varieties.
The CCP storage board card can be an SSD storage module used for expansion, and the requirement of a user for upgrading the storage space can be met.
The camera can be used for image acquisition, and the acquired image can be transmitted to the CCP calculation board card. The performance of the camera is embodied in parameters such as pixels, FPS, FOV and the like, and the camera has multiple product specifications and high iteration frequency.
The display screen is an important window for user interaction. The display screen performance is embodied in resolution, bit depth, refresh rate and the like, and the product has multiple specifications and high iteration frequency.
For the CCP, a CCP platform base is a driving main node, and a CCP computing board card and a CCP storage board card are external devices.
For other devices of the whole vehicle, the CCP calculation board card is a driving main node of the vehicle-mounted device, and the camera, the screen and the like are external devices.
In particular, the method comprises the following steps of,
1) The CCP computing board card and the CCP storage board card in the CCP can adopt PCIe (Peripheral Component Interface Express) and CCP platform base connection, and the device identifier Interface is as follows: PCI \ VEN _ v (4) & DEV _ d (4) & REV _ r (2) & SN _ s (9),
wherein:
v (4) is the device type identifier for a 4-character PCI SIG assignment, where the term device follows PCI SIG usage. The code of 0000 and FFFF this identifier is invalid as specified in the issue limit;
d (4) is the code identifier of the 4-character manufacturer;
r (2) is the device version number of 2 characters;
s (9) is a 9 character device serial number.
Example (a):PCI\VEN_1414&DEV_00E0& REV_04&SN_000010001。
2) The camera and the screen can be generally connected to the CCP computing board through GMSL protocol, and the device identifier is transmitted through I2C protocol. The device identifier may be: I2C \ TYP _ t (4) & DEV _ d (4) \ & REV _ r (2) & SN _ s (9),
wherein, the first and the second end of the pipe are connected with each other,
t (4) is a 4 character device type identifier;
d (4) is the code identifier of the 4-character manufacturer;
r (2) is the device version number of 2 characters;
s (9) is a 9 character device serial number.
Example (c):I2C\TYP_C001&DEV_0101&REV_02&SN_000010001。
3) Other device identifiers that are accessed to the CCP computing board via USB (Universal Serial Bus) are: USB \ VID _ v (4) & PID _ d (4) & REV _ r (4) & SN _ s (9),
wherein:
v (4) is the 4-bit manufacturer code identifier assigned by the USB Committee to the manufacturer;
d (4) is the error code identifier assigned to the device by the manufacturer;
r (4) is the device version number;
s (9) is the device serial number.
In one embodiment, the communication modes between the vehicle side and the cloud side are as follows:
remarking: other interfaces establishing vehicle cloud links, encrypting communication and other universality are not described repeatedly.
According to another aspect of the present invention, there is also provided a central computing platform based device driver system, comprising:
the CCP platform base of the vehicle is used for detecting whether the vehicle-mounted equipment is accessed, if the vehicle-mounted equipment is accessed, acquiring an equipment identifier, judging whether the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, if the acquired equipment identifier is the equipment identifier of the unused vehicle-mounted equipment, sending an inquiry request to the cloud end based on the equipment identifier, if the cloud end returns the legal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, detecting whether the vehicle-mounted equipment is provided with a drive, and if the vehicle-mounted equipment is detected to be provided with the drive, controlling the vehicle-mounted equipment to realize the corresponding function; if the acquired device identifier is the device identifier of the used vehicle-mounted device, controlling the vehicle-mounted device to realize a corresponding function;
and the cloud end is used for feeding back whether the corresponding vehicle-mounted equipment is legal or not to the CCP platform base based on the query request sent by the CCP platform base of the vehicle.
Here, a CCP (Central Computing Platform) Platform base may be used to manage driving of each board inside the CCP, and when the board is replaced or expanded, the CCP Platform base may automatically recognize and install the driving.
When the vehicle-mounted equipment is powered on, the vehicle-mounted equipment can send out an equipment identifier, the CCP platform base can identify whether the equipment identifier is the equipment used by the vehicle, and if so, the vehicle enters a normal working mode to realize functions; if not, the CCP platform base can access the cloud network to identify whether the equipment is legal equipment, and before that, identifiers of all legal vehicle-mounted equipment are transmitted to the cloud platform of the host factory through a production management system of a manufacturer to serve as a database of the legal equipment.
With The rapid development of intelligent automobiles, the iteration speed is closer to consumer electronics, an Over-The-Air technology (Over-The-Air technology) is introduced into The current software iteration, the software upgrading requirement of a user in The whole life cycle is supported, and The user experience is improved. However, because the hardware is a carrier of the software, a functional boundary of the software is determined, pure software iteration is preferred for improving user experience, and sometimes, hardware iteration is required to be matched to provide peak experience for a user.
The CCP platform base of the vehicle detects whether the vehicle-mounted equipment is accessed, if the vehicle-mounted equipment is accessed, the CCP platform base of the vehicle acquires an equipment identifier, judges whether the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, if the acquired equipment identifier is the equipment identifier of the unused vehicle-mounted equipment, the CCP platform base of the vehicle sends a query request to the cloud based on the equipment identifier, if the cloud returns the legal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted equipment is provided with a drive, and if the CCP platform base detects that the drive is provided, the CCP platform base controls the vehicle-mounted equipment to realize the corresponding function; if the obtained device identifier is the device identifier of the used vehicle-mounted device, the CCP platform base controls the vehicle-mounted device to realize the corresponding function, the identification of the replaced or iterated vehicle-mounted device and the driving of the vehicle-mounted device can be automatically completed, the plug and play of the replaced or iterated vehicle-mounted device are realized, and meanwhile, the safety is guaranteed. In addition, the cloud detection method detects whether the vehicle-mounted equipment is legal or not, can effectively identify and isolate illegal equipment access, and avoids hidden danger to vehicle safety.
Further, in the foregoing device, the CCP platform base is further configured to send a drive download request of the vehicle-mounted device to the cloud end if it is detected that the drive is not installed, obtain a driver based on the drive download request from the cloud end, and after the driver is installed in the vehicle-mounted device, the CCP platform base controls the vehicle-mounted device to implement a corresponding function.
Here, if the driver of the vehicle-mounted device is installed, the CCP platform base may enter a normal operating mode to implement the function of the vehicle-mounted device;
if the driver of the vehicle-mounted equipment is not installed, the CCP platform base can request the cloud end to download the driver, and after the installation is finished, the CCP platform base can enter a normal working mode to achieve the function of the vehicle-mounted equipment.
Further, in the foregoing device, the CCP platform base is further configured to send an illegal prompt message of the vehicle-mounted device to the human-computer interaction interface device of the vehicle if the cloud returns an illegal feedback of the corresponding vehicle-mounted device based on the device identifier.
Here, if the device is illegal, the CCP platform chassis may prompt the user that the vehicle-mounted device is not authenticated by the host factory and cannot be used through an HMI (Human Machine Interface) device, and please check the source of the device.
In this embodiment, after the cloud returns the illegal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle sends the illegal prompt message of the vehicle-mounted device to the human-computer interaction interface device of the vehicle, so that the illegal device access can be effectively identified and isolated, and the potential safety hazard of the vehicle is avoided.
Further, in the foregoing device, the CCP platform base is configured to send to the cloud based on the device identifier, and includes: a query request of equipment type, equipment manufacturer, equipment version number and equipment serial number;
and the cloud end is used for comparing the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database, and if the comparison is consistent, returning the legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
Here, the embodiment compares the received device type, device manufacturer, device version number, and device serial number with the device type, device manufacturer, device version number, and device serial number prestored in the database through the cloud, and can more efficiently and reliably detect whether the vehicle-mounted device is legal or not.
Further, as shown in fig. 1, in the above-mentioned apparatus, the in-vehicle apparatus includes: the CCP computing board card, the CCP storage board card, the camera, the display screen and other USB access vehicle-mounted equipment.
The CCP calculation board can be an intelligent cockpit or a high-performance calculation board for intelligent driving, and has high iteration frequency and multiple varieties.
The CCP storage board card can be an SSD storage module used for expansion, and the requirement of a user on upgrading the storage space can be met.
The camera can be used for image acquisition, and the acquired image can be transmitted to the CCP computing board. The performance of the camera is embodied in parameters such as pixels, FPS, FOV and the like, and the camera has multiple product specifications and high iteration frequency.
The display screen is an important window for user interaction. The performance of the display screen is embodied in resolution, bit depth, refresh rate and the like, and the display screen has multiple product specifications and high iteration frequency.
For the CCP, a CCP platform base is a driving main node, and a CCP computing board card and a CCP storage board card are external devices.
For other devices of the whole vehicle, the CCP computing board is a driving main node of the vehicle-mounted device, and the camera, the screen and the like are external devices.
In particular, the method comprises the following steps of,
1) The CCP computing board and the CCP storage board inside the CCP may be connected to a CCP platform chassis by PCIe (Peripheral Component Interface Express), and the device identifier Interface is: PCI \ VEN _ v (4) & DEV _ d (4) & REV _ r (2) & SN _ s (9),
wherein:
v (4) is the device type identifier for a 4-character PCI SIG assignment, where the term device follows PCI SIG usage. The code of 0000 and FFFF this identifier is invalid as specified in the issue limit;
d (4) is the code identifier of the 4-character manufacturer;
r (2) is the device version number of 2 characters;
s (9) is a 9 character device serial number.
Example (a):PCI\VEN_1414&DEV_00E0& REV_04&SN_000010001。
2) The camera and the screen can be generally connected to the CCP computing board through GMSL protocol, and the device identifier is transmitted through I2C protocol. The device identifier may be: I2C \ TYP _ t (4) & DEV _ d (4) \ & REV _ r (2) & SN _ s (9),
wherein the content of the first and second substances,
t (4) is a 4 character device type identifier;
d (4) is the code identifier of the 4-character manufacturer;
r (2) is the device version number of 2 characters;
s (9) is a 9 character device serial number.
Example (c):I2C\TYP_C001&DEV_0101&REV_02&SN_000010001。
3) Other device identifiers accessed to the CCP computing board via USB (Universal Serial Bus) are: USB \ VID _ v (4) & PID _ d (4) & REV _ r (4) & SN _ s (9),
wherein:
v (4) is the 4-bit manufacturer code identifier assigned by the USB Committee to the manufacturer;
d (4) is the error code identifier assigned to the device by the manufacturer;
r (4) is the device version number;
s (9) is the device serial number.
In one embodiment, the communication modes between the vehicle side and the cloud side are as follows:
remarking: other interfaces establishing vehicle cloud links, encrypting communication and other universality are not described repeatedly.
The method of the invention may be integrated in a specific control device.
The control device of the present invention may be a computer program product, wherein the computer program product, when run on a computer, causes the computer to perform some or all of the steps of the method as in the above method embodiments.
The control apparatus of the present invention may be an application distribution platform for distributing a computer program product, wherein the computer program product, when run on a computer, causes the computer to perform some or all of the steps of the method as in the above method embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the above-mentioned processes do not imply an inevitable order of execution, and the execution order of the processes should be determined by their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
The various systems and elements of the invention, if implemented as software functional elements, may be stored in a computer accessible memory. Based on such understanding, part or all of the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several requests to enable one or more computer devices (for example, a personal computer, a server, or a network device, and may specifically be a processor in the computer device) to execute part or all of the steps of the above methods of the embodiments of the present invention.
Those skilled in the art will appreciate that all or a portion of the steps of the various illustrated embodiments of the invention may be performed by associated hardware as instructed by a computer program, which may be stored centrally or distributed on one or more computer devices, such as a readable storage medium. The computer device includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an Electrically Erasable rewritable Read-Only Memory (EEPROM), a compact disc Read-Only Memory (CD-ROM) or other optical disc Memory, a magnetic disk Memory, a tape Memory, or any other medium readable by a computer capable of carrying or storing data.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that the changes and modifications of the above embodiments are within the scope of the appended claims as long as they are within the true spirit of the present invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
It should be noted that the present invention may be implemented in software and/or in a combination of software and hardware, for example, as an Application Specific Integrated Circuit (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to implement the steps or functions described above. Also, the software programs (including associated data structures) of the present invention can be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Further, some of the steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present invention can be applied as a computer program product, such as computer program instructions, which when executed by a computer, can invoke or provide the method and/or technical solution according to the present invention through the operation of the computer. Program instructions which invoke the methods of the present invention may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the invention herein comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or solution according to embodiments of the invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not to denote any particular order.
Claims (10)
1. A device driving method based on a central computing platform is characterized by comprising the following steps:
a CCP platform base of the vehicle detects whether the vehicle-mounted equipment is accessed, if the vehicle-mounted equipment is accessed, the device identifier is obtained, whether the obtained device identifier is the device identifier of the used vehicle-mounted equipment is judged,
if the acquired device identifier is the device identifier of the unused vehicle-mounted device, the CCP platform base of the vehicle sends a query request to the cloud based on the device identifier, if the cloud returns the legal feedback of the corresponding vehicle-mounted device based on the device identifier, the CCP platform base of the vehicle detects whether the vehicle-mounted device is provided with a drive, and if the CCP platform base detects that the drive is provided, the CCP platform base controls the vehicle-mounted device to realize the corresponding function;
and if the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, controlling the vehicle-mounted equipment to realize the corresponding function by the CCP platform base.
2. The device driving method based on the central computing platform as claimed in claim 1, wherein after detecting whether the in-vehicle device has installed the driver, further comprising:
if the driver is not installed, the CCP platform base sends a driver downloading request of the vehicle-mounted equipment to the cloud end, a driver based on the driver downloading request is obtained from the cloud end, and after the driver is installed on the vehicle-mounted equipment, the CCP platform base controls the vehicle-mounted equipment to achieve a corresponding function.
3. The central computing platform-based device driving method according to claim 1, wherein after the CCP platform chassis of the vehicle sends the query request to the cloud based on the device identifier, the method further comprises:
and if the cloud returns the illegal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, the CCP platform base of the vehicle sends the illegal prompt information of the vehicle-mounted equipment to the human-computer interaction interface equipment of the vehicle.
4. The device driving method based on the central computing platform of claim 1, wherein the CCP platform base of the vehicle sends a query request to the cloud based on the device identifier, and if the cloud returns a legal feedback of the corresponding vehicle device based on the device identifier, the method comprises:
the CCP platform base of the vehicle sends the data to the cloud end based on the device identifier, and the CCP platform base comprises: a query request for equipment type, equipment manufacturer, equipment version number and equipment serial number;
the cloud compares the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database,
and if the comparison is consistent, the cloud returns legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
5. The central computing platform-based device driving method according to claim 1, wherein the in-vehicle device comprises: the CCP computing board card, the CCP storage board card, the camera, the display screen and other USB access vehicle-mounted equipment.
6. A central computing platform based device driver system, comprising:
the CCP platform base of the vehicle is used for detecting whether the vehicle-mounted equipment is accessed, if yes, acquiring an equipment identifier, judging whether the acquired equipment identifier is the equipment identifier of the used vehicle-mounted equipment, if not, sending an inquiry request to the cloud based on the equipment identifier, if the cloud returns legal feedback of the corresponding vehicle-mounted equipment based on the equipment identifier, detecting whether the vehicle-mounted equipment is provided with a drive, and if so, controlling the vehicle-mounted equipment to realize a corresponding function; if the acquired device identifier is the device identifier of the used vehicle-mounted device, controlling the vehicle-mounted device to realize a corresponding function;
and the cloud is used for feeding back whether the corresponding vehicle-mounted equipment is legal or not to the CCP platform base based on the query request sent by the CCP platform base of the vehicle.
7. The device driving system based on the central computing platform of claim 6, wherein the CCP platform chassis is further configured to send a driver downloading request of the vehicle-mounted device to the cloud end if it is detected that the driver is not installed, obtain a driver based on the driver downloading request from the cloud end, and after the driver is installed in the vehicle-mounted device, the CCP platform chassis controls the vehicle-mounted device to implement a corresponding function.
8. The central computing platform-based device driving system of claim 6, wherein the CCP platform chassis is further configured to send an on-board device illegal notification message to the human-computer interaction interface device of the vehicle if the cloud returns an illegal feedback of the corresponding on-board device based on the device identifier.
9. The central computing platform-based device driver system of claim 6, wherein the CCP platform chassis to send to a cloud based on the device identifier comprises: a query request of equipment type, equipment manufacturer, equipment version number and equipment serial number;
and the cloud end is used for comparing the received equipment type, equipment manufacturer, equipment version number and equipment serial number with the equipment type, equipment manufacturer, equipment version number and equipment serial number prestored in the database, and if the comparison is consistent, returning the legal feedback of the corresponding vehicle-mounted equipment to the CCP platform base of the vehicle.
10. The central computing platform-based device driving system of claim 6, wherein the in-vehicle device comprises: the CCP computing board card, the CCP storage board card, the camera, the display screen and other USB access vehicle-mounted equipment.
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| CN202211223926.8A CN115292143A (en) | 2022-10-09 | 2022-10-09 | Equipment driving method and system based on central computing platform |
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| CN202211223926.8A CN115292143A (en) | 2022-10-09 | 2022-10-09 | Equipment driving method and system based on central computing platform |
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