CN113068153B - Remote control method, device, equipment and storage medium for vehicle-mounted central control - Google Patents
Remote control method, device, equipment and storage medium for vehicle-mounted central control Download PDFInfo
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- CN113068153B CN113068153B CN202110277721.7A CN202110277721A CN113068153B CN 113068153 B CN113068153 B CN 113068153B CN 202110277721 A CN202110277721 A CN 202110277721A CN 113068153 B CN113068153 B CN 113068153B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a remote control method, a device, equipment and a storage medium for vehicle-mounted central control, wherein the method comprises the following steps: starting a vehicle-mounted central control screen broadcasting service; the control terminal searches the screen-casting broadcast service and establishes screen-casting connection with the vehicle-mounted central control; sending a screen throwing request to the vehicle-mounted central control through the control terminal; receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal; acquiring the operation of a user on an interface of the control terminal and generating a corresponding control instruction; and sending the control instruction to the vehicle-mounted central control to realize the control of the vehicle-mounted central control. The remote control method for the vehicle-mounted central control realizes the remote control of the vehicle-mounted central control based on the screen projection technology, and solves the technical problem that the vehicle-mounted central control is inconvenient due to the lack of an infrared sensor at the vehicle-mounted central control and control terminal.
Description
Technical Field
The present invention relates to the field of screen technologies, and in particular, to a vehicle-mounted central control remote control method, apparatus, device, and storage medium.
Background
At present, remote control of other devices by a mobile phone is generally completed by an infrared sensor, however, not all mobile phones and other devices can have an infrared sensor, such as a vehicle-mounted central control, and in some cases, a passenger sitting in a rear row needs to check and realize control of the vehicle-mounted central control, so that a necessary technical means is not needed, and the control requirement of a user on the vehicle-mounted central control cannot be met in the prior art.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The invention mainly aims to solve the technical problems that the mobile terminal in the prior art is difficult to realize control on the vehicle-mounted central control and cannot meet the requirements of users.
The first aspect of the invention provides a remote control method for vehicle-mounted central control, which comprises the following steps:
starting a vehicle-mounted central control screen broadcasting service;
the control terminal searches the screen-casting broadcast service and establishes screen-casting connection with the vehicle-mounted central control;
sending a screen throwing request to the vehicle-mounted central control through the control terminal;
receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal;
acquiring the operation of a user on an interface of the control terminal and generating a corresponding control instruction;
and sending the control instruction to the vehicle-mounted central control to realize the control of the vehicle-mounted central control.
Optionally, in an embodiment of the first aspect of the present invention, before receiving desktop data returned by the in-vehicle central control and displaying the desktop data on an interface of the control terminal, the method includes:
collecting desktop data of the vehicle-mounted central control and carrying out coding compression according to preset rules, wherein the preset rules comprise: judging whether desktop data are acquired for the first time, if the desktop data are not acquired for the first time, comparing the desktop data acquired this time with the desktop data acquired last time, searching out changed elements in the desktop data acquired this time, encoding and compressing the changed elements, and then sending the compressed elements to the control terminal.
Optionally, in an embodiment of the first aspect of the present invention, the receiving desktop data returned by the vehicle central control and displaying the desktop data on an interface of the control terminal include:
after receiving the encoded and compressed desktop data, the control terminal decodes the compressed desktop data to obtain changed elements, acquires the last desktop data, replaces the changed elements into the last desktop data, and then displays the replaced desktop data on the interface.
Optionally, in an embodiment of the first aspect of the present invention, the obtaining an operation of a user on an interface of the control terminal and generating a corresponding control instruction includes:
acquiring a first touch coordinate of a user on an interface of the control terminal;
converting the first touch coordinate into a second touch coordinate on the vehicle-mounted central control;
and obtaining a control instruction corresponding to the second touch coordinate from an instruction library of the control terminal according to a preset mapping relation.
Optionally, in an embodiment of the first aspect of the present invention, before the step of obtaining an operation of the user on the interface of the control terminal and generating the corresponding control instruction includes:
acquiring a relation between the second touch coordinate and the control instruction of the vehicle-mounted central control in advance;
generating a mapping table between the second touch coordinates and the control command of the vehicle-mounted central control;
and sending the mapping table and the control instruction of the vehicle-mounted central control to the control terminal for storage.
Optionally, in an embodiment of the first aspect of the present invention, the receiving desktop data returned by the vehicle central control and displaying the desktop data on an interface of the control terminal include:
receiving desktop data returned by the vehicle-mounted central control;
adjusting the desktop data to be matched with the equipment parameters of the control terminal;
and displaying the adjusted desktop data on the control terminal.
Optionally, in an embodiment of the first aspect of the present invention, the vehicle-mounted central control collects the desktop data at a stable frame rate, and stores the desktop data temporarily in a buffer of the vehicle-mounted central control, and after the control terminal establishes a connection with the vehicle-mounted central control, the vehicle-mounted central control sends a frame of the desktop data to the control terminal according to a preset time interval.
The second aspect of the present invention provides a remote control device for in-vehicle center control, the remote control device for in-vehicle center control comprising:
the starting module is used for starting the on-vehicle central control screen broadcasting service;
the searching module is used for controlling the terminal to search the screen-casting broadcast service and establishing screen-casting connection with the vehicle-mounted central control;
the request module is used for sending a screen throwing request to the vehicle-mounted central control through the control terminal;
the receiving module is used for receiving the desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal;
the acquisition module is used for acquiring the operation of a user on the interface of the control terminal and generating a corresponding control instruction;
and the control module is used for sending the control instruction to the vehicle-mounted central control so as to realize the control of the vehicle-mounted central control.
A third aspect of the present invention provides an in-vehicle center-controlled remote control apparatus, including: a memory and at least one processor, the memory having instructions stored therein, the memory and the at least one processor being interconnected by a line;
the at least one processor invokes the instructions in the memory to cause the in-vehicle remote control device to perform the in-vehicle remote control method of any one of the above.
A fourth aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of remote control of in-vehicle central control as described in any of the above.
The beneficial effects are that: the invention provides a remote control method, a device, equipment and a storage medium for vehicle-mounted central control, wherein the method comprises the following steps: starting a vehicle-mounted central control screen broadcasting service; the control terminal searches the screen-casting broadcast service and establishes screen-casting connection with the vehicle-mounted central control; sending a screen throwing request to the vehicle-mounted central control through the control terminal; receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal; acquiring the operation of a user on an interface of the control terminal and generating a corresponding control instruction; and sending the control instruction to the vehicle-mounted central control to realize the control of the vehicle-mounted central control. The remote control method for the vehicle-mounted central control realizes the remote control of the vehicle-mounted central control based on the screen projection technology, and solves the technical problem that the vehicle-mounted central control is inconvenient due to the lack of an infrared sensor at the vehicle-mounted central control and control terminal.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a remote control method for vehicle-mounted central control according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of a remote control device for in-vehicle center control according to the present invention;
fig. 3 is a schematic diagram of an embodiment of a remote control device for in-vehicle center control according to the present invention.
Detailed Description
The embodiment of the invention provides a remote control method, a device, equipment and a storage medium for vehicle-mounted central control.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding, the following describes a specific flow of an embodiment of the present invention, referring to fig. 1, a first aspect of the present invention provides a vehicle-mounted central control remote control method, where the vehicle-mounted central control remote control method includes:
s100, starting a screen-throwing broadcast service of the vehicle-mounted central control;
in this embodiment, the on-vehicle central control and the terminal that wants to control the on-vehicle central control need to install the screen-casting software that adopts the same screen-casting protocol, so that the on-vehicle central control and the control terminal can find each other, and use the screen-casting service, in another case, the screen-casting software of the on-vehicle central control terminal can be built in the bottom layer of the system;
s200, the control terminal searches the screen-casting broadcast service and establishes screen-casting connection with the vehicle-mounted central control;
in this embodiment, after the on-vehicle central control starts the screen-throwing broadcasting service, periodically broadcasting the screen-throwing service and the screen-throwing identifier which can be provided by the on-vehicle central control, after the control terminal searches that the screen-throwing service exists around, acquiring the screen-throwing identifier and comparing with the screen-throwing identifier, if the screen-throwing identifier is consistent in comparison, initiating a screen-throwing connection establishment request to the on-vehicle central control, and after the on-vehicle central control receives the screen-throwing connection request, popup whether screen-throwing connection is established or not, after the on-vehicle central control agrees, establishing the screen-throwing connection between two terminal devices, and storing the device identifier of the control terminal by the on-vehicle central control, so that the control terminal can be directly connected with the on-vehicle central control subsequently without re-authentication;
s300, sending a screen throwing request to the vehicle-mounted central control through the control terminal;
in this embodiment, the screen-throwing request is used to activate a passive screen-throwing thread in the vehicle-mounted central control, and after the passive screen-throwing thread is activated, the screen-throwing request is reversely initiated to the control terminal, and a reverse screen-throwing data transmission channel between the control terminal and the control terminal is established;
s400, receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal;
in this embodiment, a desktop data obtaining thread is preset in the vehicle-mounted central control, the thread obtains desktop data of the vehicle-mounted central control according to a preset time interval, the desktop data is stored in a system cache, and the system cache is deleted after a certain time, and when other devices need to use the desktop data of the vehicle-mounted central control, the desktop data is directly obtained from the system cache of the vehicle-mounted central control, and the desktop data can be an image of a frame of desktop;
s500, acquiring the operation of a user on an interface of the control terminal and generating a corresponding control instruction;
in this embodiment, one way is to directly convert the touch operation of the user into a control instruction of the vehicle-mounted central control in the control terminal and then transmit the control instruction to the vehicle-mounted central control, and the other way is to transmit the coordinate corresponding to the touch operation to the vehicle-mounted central control for conversion, wherein the conversion can be completed according to the proportion between the control terminal and the vehicle-mounted central control desktop;
and S600, the control instruction is sent to the vehicle-mounted central control so as to realize control of the vehicle-mounted central control.
In this embodiment, after receiving the control instruction, the vehicle-mounted central control executes a corresponding control operation, and if the operation also involves a change of the desktop state, the change of the desktop state is synchronized to the control terminal interface in real time.
In an optional implementation manner of the first aspect of the present invention, before receiving the desktop data returned by the in-vehicle central control and displaying the desktop data on an interface of the control terminal, the method includes:
collecting desktop data of the vehicle-mounted central control and carrying out coding compression according to preset rules, wherein the preset rules comprise: judging whether desktop data are acquired for the first time, if the desktop data are not acquired for the first time, comparing the desktop data acquired this time with the desktop data acquired last time, searching out changed elements in the desktop data acquired this time, encoding and compressing the changed elements, and then sending the compressed elements to the control terminal.
In this embodiment, when the in-vehicle central control transmits desktop data to the control terminal, whether the desktop data is transmitted for the first time is judged, if not, the changed elements in the desktop data are judged, for example, in an interface, the interface is divided into a background, characters and graphics, and if only the characters are changed, only the desktop data of which the in-vehicle central control desktop is changed are transmitted to the control terminal when the interface content of the control terminal is required to be changed, so that the transmission quantity of the desktop data is reduced, the transmission is improved, and the data delay is reduced.
In an optional implementation manner of the first aspect of the present invention, the receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal include:
after receiving the encoded and compressed desktop data, the control terminal decodes the compressed desktop data to obtain changed elements, acquires the last desktop data, replaces the changed elements into the last desktop data, and then displays the replaced desktop data on the interface.
In this embodiment, after receiving desktop data sent by the vehicle-mounted central control, the control terminal decompresses the desktop data and stores the decompressed data in a preset first memory, while the current desktop data of the control terminal is stored in a preset second memory, when the changed desktop data is synthesized, the control terminal obtains the missing desktop data from the second memory and places the missing desktop data in the first memory to complete the synthesis of the data, and after a certain time interval, the control terminal obtains the data from the first memory and displays the data, and after the desktop data in the second memory is emptied, the desktop data in the first memory is transferred to the second memory for storage.
In an optional implementation manner of the first aspect of the present invention, the obtaining an operation of a user on an interface of the control terminal and generating a corresponding control instruction include:
acquiring a first touch coordinate of a user on an interface of the control terminal;
converting the first touch coordinate into a second touch coordinate on the vehicle-mounted central control;
and obtaining a control instruction corresponding to the second touch coordinate from an instruction library of the control terminal according to a preset mapping relation.
In this embodiment, the control terminal according to the preferred embodiment of the present invention stores a control command library of the vehicle-mounted central control, and the control command library is adjusted according to the screen size of the control terminal, that is, the control command corresponds to the second touch coordinate in the vehicle-mounted central control, and corresponds to the first touch coordinate when in the control terminal, and the conversion process is completed by a data processing thread preset in the control terminal.
In an optional implementation manner of the first aspect of the present invention, before the acquiring an operation of the user on the interface of the control terminal and generating the corresponding control instruction, the method includes:
acquiring a relation between the second touch coordinate and the control instruction of the vehicle-mounted central control in advance;
generating a mapping table between the second touch coordinates and the control command of the vehicle-mounted central control;
and sending the mapping table and the control instruction of the vehicle-mounted central control to the control terminal for storage.
In this embodiment, the mapping table has a plurality of pieces, different desktop pictures correspond to different mapping tables, and the same touch coordinates in different mapping tables may correspond to different control instructions, for example, in a first interface, (2, 2) coordinates correspond to a music playing instruction, and in a second interface, (2, 2) coordinates may correspond to a map opening instruction.
In an optional implementation manner of the first aspect of the present invention, the receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal include:
receiving desktop data returned by the vehicle-mounted central control;
adjusting the desktop data to be matched with the equipment parameters of the control terminal;
and displaying the adjusted desktop data on the control terminal.
In this embodiment, when the desktop data is displayed by the control terminal, the desktop data needs to be adjusted according to the device parameters of the control terminal, where the adjustment includes the size, resolution, color saturation, contrast, and the like of the desktop data, so that the desktop data can be displayed on the desktop of the control terminal more clearly, and further, the subsequent control is convenient.
In an optional implementation manner of the first aspect of the present invention, the vehicle-mounted central control collects the desktop data at a stable frame rate, and stores the desktop data temporarily in a buffer of the vehicle-mounted central control, and after the control terminal establishes a connection with the vehicle-mounted central control, the vehicle-mounted central control sends a frame of the desktop data to the control terminal according to a preset time interval. In the embodiment, the desktop data is acquired by adopting the method, so that the desktop data can be updated more timely, the occupation of the memory of the vehicle-mounted central control is avoided, and the generation of junk data is prevented.
Referring to fig. 2, a second aspect of the present invention provides a remote control device for in-vehicle center control, the remote control device for in-vehicle center control including:
the opening module 10 is used for opening the on-vehicle central control screen broadcasting service;
the searching module 20 is used for controlling a terminal to search the screen-casting broadcast service and establishing screen-casting connection with the vehicle-mounted central control;
the request module 30 is configured to send a screen throwing request to the vehicle-mounted central control through the control terminal;
the receiving module 40 is configured to receive desktop data returned by the vehicle-mounted central control and display the desktop data on an interface of the control terminal;
the acquiring module 50 is configured to acquire an operation of a user on an interface of the control terminal and generate a corresponding control instruction;
and the control module 60 is used for sending the control instruction to the vehicle-mounted central control so as to realize the control of the vehicle-mounted central control.
In an optional embodiment of the second aspect of the present invention, the remote control device for in-vehicle central control further includes:
the encoding module is used for acquiring the desktop data of the vehicle-mounted central control and encoding and compressing according to a preset rule, wherein the preset rule comprises the following steps: judging whether desktop data are acquired for the first time, if the desktop data are not acquired for the first time, comparing the desktop data acquired this time with the desktop data acquired last time, searching out changed elements in the desktop data acquired this time, encoding and compressing the changed elements, and then sending the compressed elements to the control terminal.
In an optional implementation manner of the second aspect of the present invention, the obtaining module is further configured to obtain a first touch coordinate of a user on an interface of the control terminal; converting the first touch coordinate into a second touch coordinate on the vehicle-mounted central control; and obtaining a control instruction corresponding to the second touch coordinate from an instruction library of the control terminal according to a preset mapping relation.
In an optional embodiment of the second aspect of the present invention, the remote control device for in-vehicle central control further includes:
the command sending module is used for acquiring the relation between the second touch coordinate and the control command of the vehicle-mounted central control in advance; generating a mapping table between the second touch coordinates and the control command of the vehicle-mounted central control; and sending the mapping table and the control instruction of the vehicle-mounted central control to the control terminal for storage.
In an optional implementation manner of the second aspect of the present invention, the receiving module is further configured to receive desktop data returned by the vehicle-mounted central control; adjusting the desktop data to be matched with the equipment parameters of the control terminal; and displaying the adjusted desktop data on the control terminal.
In an optional implementation manner of the second aspect of the present invention, the vehicle-mounted central control collects the desktop data at a stable frame rate, and stores the desktop data temporarily in a buffer of the vehicle-mounted central control, and after the control terminal and the vehicle-mounted central control establish connection, the vehicle-mounted central control sends a frame of the desktop data to the control terminal according to a preset time interval.
Fig. 3 is a schematic structural diagram of an in-vehicle remote control device according to an embodiment of the present invention, where the in-vehicle remote control device may have a relatively large difference due to different configurations or performances, and may include one or more processors 70 (central processing units, CPU) (e.g., one or more processors) and a memory 80, and one or more storage media 90 (e.g., one or more mass storage devices) for storing application programs or data. The memory and storage medium may be transitory or persistent. The program stored on the storage medium may include one or more modules (not shown), each of which may include a series of instruction operations in the remote control device controlled in the vehicle. Still further, the processor may be configured to communicate with a storage medium and execute a series of instruction operations in the storage medium on a remote control device controlled in-vehicle.
The remote control device in the vehicle may also include one or more power supplies 100, one or more wired or wireless network interfaces 110, one or more input/output interfaces 120, and/or one or more operating systems, such as Windows Serve, mac OS X, unix, linux, freeBSD, etc. It will be appreciated by those skilled in the art that the configuration of the in-vehicle center control remote control device shown in fig. 3 does not constitute a limitation of the in-vehicle center control remote control device, and may include more or fewer components than shown, or may combine certain components, or may have a different arrangement of components.
The present invention also provides a computer readable storage medium, which may be a non-volatile computer readable storage medium, or may be a volatile computer readable storage medium, where instructions are stored in the computer readable storage medium, where the instructions, when executed on a computer, cause the computer to perform the steps of the in-vehicle central control remote control method.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the system or apparatus and unit described above may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The remote control method of the vehicle-mounted central control is characterized by comprising the following steps of:
starting a vehicle-mounted central control screen broadcasting service;
the control terminal searches the screen-casting broadcast service and establishes screen-casting connection with the vehicle-mounted central control;
the method comprises the steps that a screen throwing request is sent to a vehicle-mounted central control through the control terminal, the screen throwing request is used for activating a passive screen throwing thread in the vehicle-mounted central control, after the passive screen throwing thread is activated, the vehicle-mounted central control reversely initiates the screen throwing request to the control terminal, and a reverse screen throwing data transmission channel between the vehicle-mounted central control and the control terminal is established;
receiving desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal;
acquiring the operation of a user on an interface of the control terminal and generating a corresponding control instruction;
the control instruction is sent to the vehicle-mounted central control so as to realize the control of the vehicle-mounted central control;
the step of receiving the desktop data returned by the vehicle-mounted central control and before displaying the desktop data on the interface of the control terminal comprises the following steps:
collecting desktop data of the vehicle-mounted central control and carrying out coding compression according to preset rules, wherein the preset rules comprise: judging whether desktop data are acquired for the first time, if the desktop data are not acquired for the first time, comparing the desktop data acquired this time with the desktop data acquired last time, searching out changed elements in the desktop data acquired this time, encoding and compressing the changed elements, and then sending the changed elements to the control terminal;
the receiving the desktop data returned by the vehicle-mounted central control and displaying the desktop data on the interface of the control terminal comprises the following steps:
after receiving the encoded and compressed desktop data, the control terminal decodes the compressed desktop data to obtain changed elements, acquires the last desktop data, replaces the changed elements into the last desktop data, and then displays the replaced desktop data on an interface;
the steps of obtaining the operation of the user on the interface of the control terminal and generating the corresponding control instruction include:
acquiring a first touch coordinate of a user on an interface of the control terminal;
converting the first touch coordinate into a second touch coordinate on the vehicle-mounted central control;
obtaining a control instruction corresponding to the second touch coordinate from an instruction library of the control terminal according to a preset mapping relation;
the step of acquiring the operation of the user on the interface of the control terminal and generating the corresponding control instruction comprises the following steps:
acquiring a relation between the second touch coordinate and the control instruction of the vehicle-mounted central control in advance;
generating a mapping table between the second touch coordinates and the control command of the vehicle-mounted central control;
and sending the mapping table and the control instruction of the vehicle-mounted central control to the control terminal for storage.
2. The remote control method of an in-vehicle center control according to claim 1, wherein the receiving desktop data returned by the in-vehicle center control and displaying the desktop data on an interface of the control terminal comprises:
receiving desktop data returned by the vehicle-mounted central control;
adjusting the desktop data to be matched with the equipment parameters of the control terminal;
and displaying the adjusted desktop data on the control terminal.
3. The remote control method of the vehicle-mounted central control according to claim 1, wherein the vehicle-mounted central control collects the desktop data at a stable frame rate and temporarily stores the desktop data in a cache of the vehicle-mounted central control, and after the control terminal and the vehicle-mounted central control establish connection, the vehicle-mounted central control sends a frame of the desktop data to the control terminal according to a preset time interval.
4. The remote control device of on-vehicle well accuse, its characterized in that, on-vehicle well accuse's remote control device includes:
the starting module is used for starting the on-vehicle central control screen broadcasting service;
the searching module is used for controlling the terminal to search the screen-casting broadcast service and establishing screen-casting connection with the vehicle-mounted central control;
the request module is used for sending a screen throwing request to the vehicle-mounted central control through the control terminal, wherein the screen throwing request is used for activating a passive screen throwing thread in the vehicle-mounted central control, and after the passive screen throwing thread is activated, the screen throwing request is reversely initiated to the control terminal, so that a reverse screen throwing data transmission channel between the control terminal and the control terminal is established;
the receiving module is used for receiving the desktop data returned by the vehicle-mounted central control and displaying the desktop data on an interface of the control terminal;
the acquisition module is used for acquiring the operation of a user on the interface of the control terminal and generating a corresponding control instruction;
the control module is used for sending the control instruction to the vehicle-mounted central control so as to realize the control of the vehicle-mounted central control;
the remote control device for vehicle-mounted central control further comprises:
the encoding module is used for acquiring the desktop data of the vehicle-mounted central control and encoding and compressing according to a preset rule, wherein the preset rule comprises the following steps: judging whether desktop data are acquired for the first time, if the desktop data are not acquired for the first time, comparing the desktop data acquired this time with the desktop data acquired last time, searching out changed elements in the desktop data acquired this time, encoding and compressing the changed elements, and then sending the changed elements to the control terminal;
the receiving module is further used for decoding the compressed desktop data to obtain changed elements after the control terminal receives the encoded compressed desktop data, obtaining last desktop data, and replacing the changed elements into the last desktop data so that the control terminal can display the replaced desktop data on an interface later;
the acquisition module is also used for acquiring a first touch coordinate of a user on an interface of the control terminal; converting the first touch coordinate into a second touch coordinate on the vehicle-mounted central control; obtaining a control instruction corresponding to the second touch coordinate from an instruction library of the control terminal according to a preset mapping relation;
the remote control device for vehicle-mounted central control further comprises: the command sending module is used for acquiring the relation between the second touch coordinate and the control command of the vehicle-mounted central control in advance; generating a mapping table between the second touch coordinates and the control command of the vehicle-mounted central control; and sending the mapping table and the control instruction of the vehicle-mounted central control to the control terminal for storage.
5. An in-vehicle center-controlled remote control device, characterized in that the in-vehicle center-controlled remote control device comprises: a memory and at least one processor, the memory having instructions stored therein, the memory and the at least one processor being interconnected by a line;
the at least one processor invoking the instructions in the memory to cause the in-vehicle central control remote control device to perform the in-vehicle central control remote control method as claimed in any one of claims 1-3.
6. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements a remote control method of in-vehicle central control as claimed in any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114356819A (en) * | 2021-12-01 | 2022-04-15 | 深圳市海邻科信息技术有限公司 | Equipment connection method, vehicle-mounted police terminal and vehicle machine |
| CN114422557A (en) * | 2021-12-17 | 2022-04-29 | 浙江零跑科技股份有限公司 | Method for remotely controlling automobile by mobile phone |
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| CN103365572A (en) * | 2012-03-26 | 2013-10-23 | 联想(北京)有限公司 | Electronic equipment remote control method and electronic equipment |
| CN112230840A (en) * | 2020-12-21 | 2021-01-15 | 智道网联科技(北京)有限公司 | Method and device for remotely controlling vehicle-mounted computer, electronic equipment and storage medium |
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| CN101447998A (en) * | 2008-12-25 | 2009-06-03 | 广东威创视讯科技股份有限公司 | Desktop sharing method and system |
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