CN117896682A - Vehicle-mounted eCall module software call control method and device - Google Patents
Vehicle-mounted eCall module software call control method and device Download PDFInfo
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Abstract
The invention provides a vehicle-mounted eCall module software call control method and a device thereof, wherein an eCall control program, an AT instruction dispatch program, an AT instruction service program and an eCall service program are arranged in a vehicle-mounted eCall module so as to enable application layer software to be inserted into the whole flow of the vehicle-mounted eCall, thereby improving the controllability of the eCall flow; in addition, the intervention of the application layer software can increase the function of the eCall, thereby improving the expansibility of the eCall function and enabling the secondary development of the eCall service.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a vehicle-mounted eCall module software call control method and a device thereof.
Background
With the rapid development of the internet of things and the internet of vehicles, automobiles become an important transportation means for modern life, and the importance of road safety is increasing. The ecall system (EMERGENCY CALL, an automatic emergency call system for a vehicle emergency) can rapidly and accurately provide vehicle location information to an emergency service (system) when a traffic accident occurs by using a GNSS (Global Navigation SATELLITE SYSTEM ) positioning and in-vehicle communication module. Therefore, the emergency response time can be shortened, rescue workers can be quickly dispatched after the accident occurs, and the life rescue efficiency is improved.
But the process controllability, function expansion and other performances of the eCall system in the prior art are to be improved.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the invention provides a vehicle-mounted eCall module software call control method and a device thereof, and the method and the device optimize the flow controllability and the function expansibility of an eCall system.
According to an aspect of an embodiment of the present invention, there is provided a vehicle-mounted eCall module software call control method, where the vehicle-mounted eCall module communicates with a PSAP public safety answering point, and the method is applied to the eCall module to perform data downlink transmission control, where the vehicle-mounted eCall module includes a Modem, an eCall call control program, an AT instruction dispatcher, an AT instruction service program, and an eCall call service program, and the method includes:
An AT instruction dispatcher based on the eCall module receives an AT instruction sent by an input device;
scheduling the AT command by the AT command scheduler to inform an eCall control program;
Calling an eCall service program through the eCall control program;
calling a wireless communication module middleware through the eCall service program;
Invoking an AT command service program through the wireless communication module middleware;
And sending data to an air interface protocol stack through the AT instruction service program so as to control the call of the vehicle-mounted eCall module software.
According to an embodiment of the disclosure, the calling the eCall call service program by the eCall call control program includes:
And notifying an eCall service program based on a system bus by the eCall control program to call and run the eCall service program, wherein the system bus is ubus.
According to an embodiment of the present invention, the scheduling, by the AT instruction scheduler, the AT instruction to notify an eCall call control program includes:
and storing the eCall control program in a message queue by the AT instruction dispatcher so as to inform the eCall control program in the message queue mode.
According to an embodiment of the present invention, the calling, by the middleware of the wireless communication module, an AT instruction service program includes:
And notifying the AT instruction service program by using the FIFO queue through the wireless communication module middleware so as to call the AT instruction service program.
According to an embodiment of the present invention, the wireless communication module middleware is RIL wireless communication module management software.
According to another aspect of the embodiment of the present invention, there is provided a vehicle-mounted eCall module software call control device, where the vehicle-mounted eCall module communicates with a PSAP public safety answering point, and the device is applied to the eCall module to perform data downlink transmission control, and includes an eCall call control program, an AT instruction scheduling program, an AT instruction service program, an eCall call service program, a wireless communication module middleware, and an air interface protocol stack, where:
The AT instruction dispatcher is used for receiving the AT instruction sent by the input equipment and dispatching the AT instruction to inform the eCall control program;
the eCall control program is used for calling an eCall service program;
The eCall service program is used for calling the middleware of the wireless communication module;
the wireless communication module middleware is used for calling an AT instruction service program;
And the AT instruction service program is used for sending data to an air interface protocol stack so as to carry out the call control of the vehicle-mounted eCall module software.
There is further provided in accordance with an embodiment of the present invention a readable storage medium storing a computer program, where the program is executed by a processor to implement the above-mentioned vehicle eCall module software call control method.
There is also provided, in accordance with an embodiment of the present invention, an electronic device including:
A processor;
A memory for storing the processor-executable instructions;
the processor is used for reading the executable instruction from the memory and executing the instruction to realize the call control method of the vehicle-mounted eCall module software.
Based on the technical scheme provided by the embodiment of the invention, an eCall control program, an AT instruction scheduling program, an AT instruction service program and an eCall service program are arranged in the vehicle-mounted eCall module so as to enable application layer software to be inserted into the whole flow of the vehicle-mounted eCall, thereby improving the controllability of the eCall flow; in addition, the intervention of the application layer software can increase the function of the eCall, thereby improving the expansibility of the eCall function and enabling the secondary development of the eCall service.
The technical scheme disclosed by the invention is further described in detail through the drawings and the embodiments.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing embodiments of the present invention in more detail with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings, like reference numerals generally refer to like parts or steps.
Fig. 1 is a flowchart of a call control method for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure.
Fig. 2 is an interactive flow chart of a call control method for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a call control device for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure.
Fig. 4 is a block diagram of an electronic device according to an exemplary embodiment of the present disclosure.
Detailed Description
Hereinafter, example embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. It is to be understood that the embodiments described are merely some, but not all, of the embodiments of the present disclosure and that the present disclosure is not limited to the example embodiments described herein.
It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.
It will be appreciated by those of skill in the art that the terms "first," "second," etc. in embodiments of the present invention are used merely to distinguish between different steps, devices or modules, etc., and do not represent any particular technical meaning nor necessarily logical order between them.
It should also be understood that in embodiments of the present invention, "plurality" may refer to two or more, and "at least one" may refer to one, two or more.
It should also be appreciated that any component, data, or structure referred to in an embodiment of the invention may be generally understood as one or more without explicit limitation or the contrary in the context.
In addition, the term "and/or" in the present disclosure is merely an association relationship describing the association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present disclosure, the character "/", generally indicates that the associated object is an or relationship.
It should also be understood that the description of the various embodiments of the present disclosure emphasizes the differences between the various embodiments, and that the same or similar features may be referred to each other, and are not repeated for brevity.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Embodiments of the invention are operational with numerous other general purpose or special purpose computing system environments or configurations with electronic devices, such as terminal devices, computer systems, servers, etc. Examples of well known terminal devices, computing systems, environments, and/or configurations that may be suitable for use with the terminal device, computer system, server, or other electronic device include, but are not limited to: personal computer systems, server computer systems, thin clients, thick clients, hand-held or laptop devices, microprocessor-based systems, set-top boxes, programmable consumer electronics, network personal computers, small computer systems, mainframe computer systems, and distributed cloud computing technology environments that include any of the foregoing, and the like.
Electronic devices such as terminal devices, computer systems, servers, etc. may be described in the general context of computer system-executable instructions, such as program modules, being executed by a computer system. Generally, program modules may include routines, programs, objects, components, logic, data structures, etc., that perform particular tasks or implement particular abstract data types. The computer system/server may be implemented in a distributed cloud computing environment in which tasks are performed by remote processing devices that are linked through a communications network. In a distributed cloud computing environment, program modules may be located in both local and remote computing system storage media including memory storage devices.
Exemplary method
Fig. 1 is a flowchart of a call control method for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure. In the invention, a vehicle-mounted eCall module communicates with a PSAP public safety answering point, wherein the vehicle-mounted eCall module comprises an eCall control program, an AT instruction dispatcher, an AT instruction service program and an eCall service program.
As shown in fig. 1, the invention discloses a vehicle-mounted eCall module software call control method, which is applied to an eCall module for data downlink transmission control, and can comprise the following steps:
step 101, an AT instruction dispatcher based on an eCall module receives an AT instruction sent by an input device.
Wherein the AT command is a command applied to connection and communication between the terminal device and the PC application. The AT is the Attention. Only one AT command line can be included in each AT command line. In the invention, an input device establishes connection and communication with an eCall module system through an AT instruction.
In some embodiments, the AT instruction sent by the input device may be received through a serial port.
Step 102, scheduling the AT instruction by the AT instruction scheduler to notify the eCall call control program.
In some embodiments, the eCall call control program may be stored in a message queue by the AT instruction dispatcher to notify the eCall call control program by way of the message queue.
Step 103, calling the eCall call service program through the eCall call control program.
In some embodiments, the eCall call service program is notified by the eCall call control program based on a system bus to invoke running of the eCall call service program, wherein the system bus may be ubus.
Step 104, calling the middleware of the wireless communication module through the eCall service program.
In some embodiments, the wireless communication module middleware notifies the AT instruction service program using the FIFO queue to invoke the AT instruction service program, where the wireless communication module middleware is RIL (Radio INTERFACE LAYER) wireless communication module management software. The FIFO queue is a named pipe, which is one of IPC (inter-process communication) modes, and exists in a file system in the form of a special file.
Step 105, invoking the AT instruction service program through the wireless communication module middleware.
In some embodiments, the FIFO queue is utilized by the wireless communication module middleware to notify the AT instruction service to invoke the AT instruction service.
And 106, sending data to an air interface protocol stack through the AT command service program to perform call control of the vehicle-mounted eCall module software so as to realize communication with the PSAP public safety answering point.
Fig. 2 is an interactive flow chart of a call control method for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure. As shown in fig. 2, the eCall downlink flow includes:
And the AT instruction dispatcher of the eCall module receives the AT instruction sent by the input device through the serial port and notifies the eCall control program in a message mode. The eCall call control program notifies the eCall call service program through the system bus. And the eCall service program informs the wireless communication module middleware through the system bus. The wireless communication module middleware informs the AT of the command service program through the FIFO queue. And the AT instruction service program sends data to the air interface protocol stack through the FIFO queue, so that one downlink interaction flow is completed.
Correspondingly, the eCall uplink flow may include:
And the AT instruction service program receives data sent by the air interface protocol stack through the FIFO queue and informs the wireless communication module middleware through the FIFO queue. The wireless communication module middleware informs the eCall control program through a system bus. The eCall call control program informs the AT command dispatcher by means of message.
Based on the technical scheme provided by the embodiment of the invention, an eCall control program, an AT instruction scheduling program, an AT instruction service program and an eCall service program are arranged in the vehicle-mounted eCall module so as to enable application layer software to be inserted into the whole flow of the vehicle-mounted eCall, thereby improving the controllability of the eCall flow; in addition, the intervention of the application layer software can increase the function of the eCall, thereby improving the expansibility of the eCall function and enabling the secondary development of the eCall service.
Exemplary apparatus
Fig. 3 is a schematic structural diagram of a call control device for a vehicle-mounted eCall module software according to an exemplary embodiment of the present disclosure.
As shown in fig. 3, the vehicle-mounted eCall module communicates with a PSAP public safety answering point, and the apparatus is applied to the eCall module to perform data downlink transmission control, and includes an eCall call control program 301, an AT instruction dispatcher 302, an AT instruction service program 303, an eCall call service program 304, a wireless communication module middleware 305, and an air interface protocol stack 306, where:
the AT instruction dispatcher 302 is configured to receive an AT instruction sent by an input device, and dispatch the AT instruction to notify the eCall call control program 301;
The eCall call control program 301 is configured to invoke an eCall call service program 304;
The eCall call service program 304 is configured to invoke the wireless communication module middleware 305;
the wireless communication module middleware 305 is configured to invoke an AT instruction service program 303;
The AT instruction service program 303 is configured to send data to the air interface protocol stack 306, so as to perform call control on the on-vehicle eCall module software.
It should be noted that, in the embodiment of the present invention, the application layer software programs with the same name may be the same software program, for example, an AT instruction dispatcher, an eCall call control program, an eCall call service program, a wireless communication module middleware, an AT instruction service program, and an air interface protocol stack (the air interface protocol stack has key functions of connection management, data transmission, mobility management, resource scheduling, and the like in the embodiment, so as to ensure efficient operation of a network and normal communication of user equipment and the like), which is disclosed herein without limitation.
In summary, based on the technical scheme provided by the embodiment of the present disclosure, an eCall call control program, an AT instruction scheduling program, an AT instruction service program, and an eCall call service program are set in a vehicle-mounted eCall module, so that application layer software is inserted into the whole flow of the vehicle-mounted eCall, and the controllability of the eCall flow can be improved; in addition, the intervention of the application layer software can increase the function of the eCall, thereby improving the expansibility of the eCall function and enabling the secondary development of the eCall service.
Exemplary electronic device
Fig. 4 is a block diagram of an electronic device according to an exemplary embodiment of the present disclosure. Next, an electronic device according to an embodiment of the present invention is described with reference to fig. 4. The electronic device may be either or both of the first device and the second device, or a stand-alone device independent thereof, which may communicate with the first device and the second device to receive the acquired input signals therefrom.
As shown in fig. 4, the electronic device includes an eCall module, and one or more input devices and output devices.
The eCall module may be other forms of processing units based on the internet of vehicles product authentication and/or instruction execution capabilities of the LTE communication module, including GPS (global positioning system), GSM (global system for mobile communications), and other related communication technologies, to ensure accurate positioning and efficient communication.
In one example, the electronic device may further include: input devices and output devices, which are interconnected by a bus system and/or other forms of connection mechanisms (not shown).
For example, the input device may be a Central Processing Unit (CPU) for capturing SOS key input signals that trigger ecalls.
The output device can output various information to the outside, including sound information, light signals, related information of accident scene, etc. The output device may include, for example, a display, speakers, a dome lamp, and a communication network and remote output devices connected thereto, among others.
Of course, only some of the components of the electronic device relevant to the present disclosure are shown in fig. 4 for simplicity, components such as buses, input/output interfaces, etc. being omitted. In addition, the electronic device may include any other suitable components depending on the particular application.
In addition to the methods and apparatus described above, embodiments of the present disclosure may also be a computer program product comprising computer program instructions which, when executed by a processor, cause the processor to perform the steps related to the on-board eCall module software call control method according to the various embodiments of the present disclosure described in the "exemplary methods" section of this specification.
Exemplary computer program product and computer readable storage Medium
In addition to the methods and apparatus described above, embodiments of the present disclosure may also be a computer program product comprising computer program instructions which, when executed by a processor, cause the processor to perform the steps described in the "exemplary methods" section of this specification relating to the on-board eCall module software call control method according to the various embodiments of the present disclosure.
The computer program product may write program code for performing the operations of embodiments of the present invention in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server.
Furthermore, embodiments of the present disclosure may also be a computer-readable storage medium, having stored thereon computer program instructions that, when executed by a processor, cause the processor to perform the steps described in the "exemplary methods" section of the present description that are related to the on-board eCall module software call control method according to the various embodiments of the present disclosure.
The computer readable storage medium may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may include, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The basic principles of the present disclosure have been described above in connection with specific embodiments, but it should be noted that the advantages, benefits, effects, etc. mentioned in the present disclosure are merely examples and are not to be considered as necessarily possessed by the various embodiments of the present disclosure. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, since the invention is not necessarily disclosed as being practiced with the specific details.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different manner from other embodiments, so that the same or similar parts between the embodiments are mutually referred to. For system embodiments, the description is relatively simple as it essentially corresponds to method embodiments, and reference should be made to the description of method embodiments for relevant points.
The block diagrams of the devices, apparatuses, devices, systems referred to in this disclosure are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
The disclosed methods and apparatus may be implemented in many ways. For example, the methods and apparatus of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, firmware. The above-described sequence of steps for the method is for illustration only and the steps of the method disclosed herein are not limited to the sequence specifically described above unless specifically stated otherwise. Furthermore, in some embodiments, the present disclosure may also be implemented as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
It is also noted that in the apparatus, devices and methods disclosed herein, components or steps may be separated and/or recombined. Such decomposition and/or recombination should be considered equivalents of the present disclosure.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the disclosure. Thus, the present disclosure is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit the disclosed embodiments to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (8)
1. The method is applied to the eCall module for carrying out data downlink transmission control, and is characterized in that the vehicle eCall module comprises an eCall control program, an AT instruction scheduling program, an AT instruction service program and an eCall service program, and the method comprises the following steps:
An AT instruction dispatcher based on the eCall module receives an AT instruction sent by an input device;
scheduling the AT command by the AT command scheduler to inform an eCall control program;
Calling an eCall service program through the eCall control program;
calling a wireless communication module middleware through the eCall service program;
Invoking an AT command service program through the wireless communication module middleware;
And sending data to an air interface protocol stack through the AT instruction service program so as to control the call of the vehicle-mounted eCall module software.
2. The method of claim 1, wherein invoking an eCall call service via the eCall call control program comprises:
And notifying an eCall service program based on a system bus by the eCall control program to call and run the eCall service program, wherein the system bus is ubus.
3. The method of claim 1, wherein said scheduling, by said AT instruction scheduler, of said AT instructions to inform an eCall call control procedure comprises:
and storing the eCall control program in a message queue by the AT instruction dispatcher so as to inform the eCall control program in the message queue mode.
4. The method of claim 1, wherein invoking the AT command service via the wireless communication module middleware comprises:
And notifying the AT instruction service program by using the FIFO queue through the wireless communication module middleware so as to call the AT instruction service program.
5. The method of claim 4, wherein the wireless communication module middleware is RIL wireless communication module management software.
6. The utility model provides a on-vehicle eCall module software call control device, on-vehicle eCall module communicates with PSAP public safety answering point, the device is applied to eCall module and carries out data downstream transmission control, and includes eCall call control program, AT instruction dispatch program, AT instruction service program, eCall call service program, wireless communication module middleware and air interface protocol stack, its characterized in that:
The AT instruction dispatcher is used for receiving the AT instruction sent by the input equipment and dispatching the AT instruction to inform the eCall control program;
the eCall control program is used for calling an eCall service program;
The eCall service program is used for calling the middleware of the wireless communication module;
the wireless communication module middleware is used for calling an AT instruction service program;
And the AT instruction service program is used for sending data to an air interface protocol stack so as to carry out the call control of the vehicle-mounted eCall module software.
7. A readable storage medium storing a computer program, wherein the program is executed by a processor to implement the method of any one of claims 1 to 5.
8. An electronic device, the electronic device comprising:
A processor;
A memory for storing the processor-executable instructions;
the processor is configured to read the executable instructions from the memory and execute the instructions to implement the method of any one of claims 1 to 5.
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