CN108234673B - Vehicle-mounted distributed mapping system and mapping method - Google Patents
Vehicle-mounted distributed mapping system and mapping method Download PDFInfo
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Abstract
The invention discloses a distributed mapping system and a mapping method, wherein the mapping system comprises a distributed mapping end: the distributed nodes perform resource access and application fusion processing functions on the equipment of the non-vehicle-mounted distributed system standard interface; the intelligent terminal device/module is accessed into the vehicle-mounted distributed system through the distributed mapping end and provides new resources, applications or interface calls for the vehicle-mounted distributed system; the invention can effectively integrate the advantages of software and hardware of products such as intelligent mobile phones and the like of intelligent mobile terminal products into a vehicle-mounted distributed system, inherits the advantages of the intelligent mobile terminal products, simultaneously optimizes the experience of application in a vehicle, realizes the functions of communication, multimedia entertainment and interconnection in the driving process, particularly comprises the communication with an external telecommunication network and the interconnection of the intelligent mobile terminal products of vehicle owners and the intelligent mobile phones, and realizes the cooperative work and resource sharing to the maximum extent.
Description
Technical Field
The invention relates to a vehicle-mounted information technology, in particular to a mapping system and a mapping method for realizing cooperative work and resource sharing by mutual communication of external resources such as a vehicle-mounted Ethernet technology, an in-vehicle controller, an arithmetic unit and a mobile terminal.
Background
With the rapid development of electronic technologies, especially for electronic products of mobile terminals, many novel electronic products and technologies are considered to be capable of greatly improving driving experience and enjoyment, and especially in the directions of man-machine interaction, entertainment multimedia, communication interconnection, intelligent auxiliary driving and the like, the application of products in the current market is mainly reflected, man-machine interaction interfaces in vehicles are more and more virtualized and refined, and gesture control, natural voice and even face recognition and the like gradually replace traditional touch interfaces and key interfaces in a plurality of artificial intelligent recognition modes; the entertainment multimedia system in the car is more diversified, and the requirements of a large amount of high-definition playing and network resource playing are increased; like the diversified functions of smart phones, the functions of communication, multimedia entertainment and interconnection in the driving process are becoming more and more standard functions of automobile electronic systems, especially including communication with an off-board telecommunication network and interconnection with a mobile phone of a car owner. In addition, the demand of various vehicle-mounted sensors for realizing the intelligent driving function is also rapidly increasing, mainly high-definition cameras, millimeter wave radars and the like are taken as the main points, and the fusion and matrixing of the sensors gradually become the key points of hardware product development.
However, the industrial scale, development cycle, product iteration cycle and the like of automotive electronics have great differences compared with the consumer electronics industry, and meanwhile, automotive electronics have higher requirements on research and development thresholds, quality, safety and the like, so that the period for putting new functions of automotive electronics or new optimized products developed by an automotive factory into the market is relatively long or very long; on the other hand, although the vehicle-mounted electronic product oriented to the after-market of the automobile can properly solve the problems of new products and new function iteration cycles to a certain extent, since the products in the after-market are always in non-standardized operation and are difficult to form certain scale or trend to be in consensus with the automobile manufacturer to obtain the interface and the protocol of the intelligent electronic system in the automobile, the product quality, the experience and the integration level of the vehicle-mounted electronic product in the after-market of the automobile are relatively poor, the life cycle is short, the competitiveness is basically absent, and certain industrial accumulation cannot be formed.
In recent 5 years, consumer electronics market-oriented intelligent mobile terminal products, such as smart phones, PADs and other electronic products, have stronger innovation, a new hardware platform and a new functional module have faster iteration speed, better user experience and stronger user stickiness, are powerful personal mobile data terminals and personal entertainment terminal platforms, and form a competitive relationship with the similar functions of an on-board central control host to a great extent, so how to mutually exclude the advantages of the smart mobile terminal products, such as smart phones, PADs and other products, from the software and hardware of the on-board central control host, inherit the advantages of the intelligent mobile terminal products and optimize the experience of in-vehicle applications, and are hot spots and difficulties of current technical innovation.
The interconnection of smart mobile phone in on-vehicle accuse host computer system has a lot of modes and relevant product, and the interconnection mode of mobile device and mobile device mainly has in the existing market: bluetooth hands-free connection, screen projection mapping (mirrorlink), data sharing (address book, short message, email, etc.), Carplay, android auto, etc. Through the mode, the smart phones can be interconnected and accessed into the vehicle-mounted central control host system, but the functions of the vehicle-mounted central control host system and the functions of the smart phones are still mutually independent, and the smart phones need to be respectively operated, so that the smart phones cannot be self-synchronized and share resources mutually.
In order to solve the technical problems, a scheme similar to the introduction of mobile phone software resources into a vehicle-mounted system is also provided in the prior art, wherein the mobile phone and the vehicle-mounted system are connected in a wired manner through a mobile phone holder or a connecting wire, so that the smart mobile phone and the vehicle-mounted system share one storage unit to realize the fusion of the smart mobile phone and the vehicle-mounted system.
However, in the above technical solution, since the mobile phone holder or the connection line connects the mobile phone and the vehicle-mounted system by wire, only a single mobile phone can be allowed to access the vehicle-mounted system, so that the functions that the vehicle-mounted system can implement are too simple, and the resource sharing, mutual identification, and call between the two parties still cannot be achieved.
In order to avoid the problems, the invention discloses a novel and effective vehicle-mounted distributed mapping system and a mapping method for realizing the fusion, cooperative work and resource sharing of mobile intelligent terminal equipment and a vehicle-mounted system.
Disclosure of Invention
The invention aims to provide a distributed mapping system and a mapping method for realizing cooperative work and resource sharing with an external intelligent mobile terminal product based on mutual communication of an in-vehicle controller and an arithmetic unit of a vehicle-mounted Ethernet technology.
In accordance with the above object, the present invention provides a vehicle-mounted distributed mapping system, comprising:
the vehicle-mounted distributed network is a vehicle-mounted distributed system constructed based on a vehicle-mounted Ethernet technology, and is applied to vehicle-mounted information interaction, vehicle-mounted entertainment, equipment interconnection, a sensor system, auxiliary driving and the like.
The distributed mapping end: the vehicle-mounted distributed system is provided with distributed nodes which perform system functions such as resource access and application fusion processing on equipment with non-vehicle-mounted distributed standard interfaces.
The intelligent terminal device/module is not an intelligent mobile device with a vehicle-mounted distributed specification interface, but can be accessed and provide new resources and new application or interface calling for a vehicle-mounted distributed system in a distributed mapping end mode.
The system comprises a bidirectional high-speed interface and a protocol stack, and an off-board Ethernet standard bidirectional high-speed interface and protocol stack, which are used for identifying and matching a mapping point and mapping end equipment point to point, importing intelligent equipment resources of an off-board distributed standard interface, and realizing system-level calling of a distributed network resource unified interface.
The mapping medium of the vehicle-mounted distributed mapping system is a wired or wireless non-Ethernet standard bidirectional high-speed communication interface.
The input module of the vehicle-mounted distributed mapping system comprises an intelligent mobile terminal module and a vehicle-mounted control module, the intelligent mobile terminal module is connected with the vehicle-mounted control module through an existing standardized non-Ethernet bidirectional high-speed interface, the vehicle-mounted control module is a distributed node on a vehicle-mounted distributed network or is called a distributed mapping point, the intelligent mobile terminal module (or equipment) does not have a vehicle-mounted Ethernet standard access interface, and resources are mapped and guided into the vehicle-mounted distributed system through the vehicle-mounted distributed node and fused to the vehicle-mounted distributed system to be called by other vehicle-mounted distributed nodes.
The distributed nodes (distributed mapping points) of the vehicle-mounted distributed mapping system further comprise a vehicle-mounted distributed software and hardware system, the vehicle-mounted distributed node (distributed mapping point) software and hardware system is constructed according to vehicle-mounted distributed system specifications and protocol standards to realize mutual identification and resource sharing with other nodes in the vehicle-mounted distributed system, and external intelligent equipment is accessed in the vehicle-mounted distributed mapping system to cooperate with resources of the distributed nodes to perform mapping/identification and interface calling as required.
In the vehicle-mounted distributed mapping system, the relationship between the intelligent mobile terminal equipment and the vehicle-mounted distributed network comprises plug-and-play equipment and equipment which can be paired or accessed through a wireless protocol, wherein the plug-and-play equipment and the equipment do not work according to the interface specification and the state machine mode of the vehicle-mounted distributed system; because the vehicle-mounted distributed system cannot be directly accessed, the intelligent terminal equipment resources are mapped to the distributed mapping points through an existing distributed mapping point in the distributed system in a mode of protocol dynamic interaction identification and state machine static setting adaptation, the distributed mapping points become application resources of the vehicle-mounted distributed network, and other distributed nodes on the vehicle-mounted distributed network still perform protocol interaction with the distributed mapping points through interface specifications of the vehicle-mounted distributed network, discover new resources and establish new application interaction, but do not consider to perform direct interaction with the intelligent mobile terminal equipment; or because the intelligent mobile terminal device is actually integrated with the distributed mapping points in the distributed mapping system, the intelligent mobile terminal device can also become a node of the vehicle-mounted distributed network by the distributed mapping points and call resources of other distributed nodes and establish application interaction from the perspective of resources of the intelligent mobile terminal device.
According to the above purpose, the present invention further provides details of a mapping method of the vehicle-mounted distributed mapping system, and a specific application architecture and calling examples.
The mapping method of the vehicle-mounted distributed mapping system comprises the following steps:
performing access and application fusion processing on intelligent terminal equipment of a non-vehicle-mounted distributed system standard interface through a distributed mapping end;
resource, application, or interface calls are provided to the in-vehicle distributed system.
The mapping method of the vehicle-mounted distributed mapping system further comprises the following steps:
constructing a vehicle-mounted distributed system based on a vehicle-mounted Ethernet technology in a vehicle-mounted distributed network;
connecting a distributed mapping end and intelligent terminal equipment/module based on a bidirectional high-speed interface and a protocol stack of the off-board Ethernet standard, and identifying and matching the distributed mapping end and the intelligent terminal equipment; and importing the intelligent terminal equipment resources of the off-board distributed standard interface to realize the system level calling of the uniform interface of the distributed network mapping node resources.
The mapping method of the vehicle-mounted distributed mapping system further comprises the following steps:
inputting request instruction information through any node of the distributed network;
calling distributed node resources in the system by using an interconnection protocol according to the instruction information;
calling the node information identified and called by the corresponding module according to the instruction information and outputting an operation result;
and outputting the instruction result to the designated distributed node through the distributed network according to the operation result.
The mapping method of the vehicle-mounted distributed mapping system comprises the following steps:
a device access request;
serial interface protocol matching, mapping request and handshake protocol;
analyzing mapping resources, loading a distributed mapping mode state machine, and triggering the distributed mapping mode state machine to enter a mapping mode working state;
the distributed network discovers new functions of new resources and new devices; or, the mobile terminal device considers itself as a distributed node to access the distributed network through the mapping end.
The mapping method of the vehicle-mounted distributed mapping system is characterized in that after the intelligent terminal module and the distributed mapping end are connected, identified and matched based on a bidirectional high-speed interface and a protocol stack of the non-vehicle-mounted Ethernet standard, the intelligent terminal module is a distributed node on a distributed network.
The mapping method of the vehicle-mounted distributed mapping system further comprises a vehicle-mounted distributed software and hardware system which comprises a plurality of distributed nodes, mutual identification and resource cooperation are realized according to vehicle-mounted Ethernet technical specifications and protocol standard structures, and mapping/identification and network interface and state machine modes are called as required.
According to the mapping method of the vehicle-mounted distributed mapping system, the relation between the intelligent terminal equipment and the vehicle-mounted distributed network comprises plug-and-play equipment and equipment which can be paired or accessed through a wireless protocol, wherein the plug-and-play equipment and the equipment do not work according to the interface specification and the working state machine mode of the vehicle-mounted distributed mapping system; or the like, or, alternatively,
the method comprises the steps that distributed nodes in a distributed system are designated as distributed mapping terminals through a protocol and a mode of a control state machine, and resources needing to be called and identified are mapped to the distributed mapping terminals; or the like, or, alternatively,
after the intelligent mobile terminal equipment is imported through mapping, the intelligent mobile terminal equipment can also be regarded as a distributed node in the aspect of system function realization, and resources of other distributed nodes are identified and called through a distributed mapping system.
According to the mapping method of the vehicle-mounted distributed mapping system, a certain distributed resource node or a controller in the distributed network manages, maps and imports a network external module or equipment from the certain distributed node through a point-to-point interconnection protocol.
According to the technical characteristics, by adopting the technical scheme of the invention, the advantages of software and hardware of intelligent mobile terminal products such as smart phones, PADs and the like can be effectively fused to the vehicle-mounted central control host, the advantages of the intelligent mobile terminal products are inherited, the experience of in-vehicle application is optimized, the functions of communication, multimedia entertainment and interconnection in the driving process are realized, particularly the functions of communication with an out-vehicle telecommunication network and interconnection of vehicle owner intelligent mobile terminal products including smart phones are realized, and the cooperative work and resource sharing are realized to the greatest extent.
Drawings
In the present invention, like reference numerals refer to like features throughout, wherein:
FIG. 1 is a schematic structural framework diagram of the on-board distributed mapping system of the present invention;
FIG. 2 is a schematic block diagram of an onboard control device in the onboard distributed mapping system according to the present invention;
FIG. 3 is a schematic block diagram of an intelligent mobile device in the vehicle-mounted distributed mapping system according to the present invention;
FIG. 4 is a schematic diagram of the in-vehicle control apparatus of FIG. 2 coupled to the smart mobile device modular structure of FIG. 3 via a non-Ethernet standard high-speed bi-directional interface;
FIG. 5 is a schematic diagram illustrating the operation flow of the audio node request in the vehicle-mounted distributed mapping system according to the present invention;
FIG. 6 is a schematic view of a vehicle-mounted distributed mapping system backing request operation flow of the present invention;
FIG. 7 is a schematic diagram illustrating a flow of the vehicle-mounted distributed mapping system requesting operation from a device according to the present invention;
FIG. 8 is a schematic diagram of a communication specification data format of the vehicle-mounted distributed mapping system of the present invention;
FIG. 9 is a flow chart of a mapping method of the vehicle-mounted distributed mapping system according to the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
The vehicle-mounted distributed mapping system is a system which is based on the mutual communication of a vehicle-mounted Ethernet technology and an in-vehicle controller and an arithmetic unit and realizes the cooperative work and the resource sharing with intelligent mobile terminal equipment. The access efficiency and the actual development/application experience of non-vehicle-mounted distributed interface equipment and resources are improved on the basis of a vehicle-mounted Ethernet distributed architecture, the extensible and scalable characteristics and the iteration requirements of a vehicle-mounted distributed system are met, and the method is a more flexible and more commercial prospect interconnection access mode and method.
Specifically, the vehicle-mounted distributed mapping system is provided with a distributed network system and a plurality of distributed nodes, N1 to Nx, the vehicle-mounted distributed mapping system integrates resources (such as mobile intelligent terminal devices) of one or a plurality of device nodes which do not meet the vehicle-mounted distributed interface, and the external resources are managed by a certain distributed node (mapping end) in the vehicle through a point-to-point interconnection protocol.
The invention relates to a vehicle-mounted distributed mapping system, which mainly relates to intelligent mobile terminal equipment (intelligent mobile phone/PAD or other terminal equipment, certainly can also comprise non-mobile equipment), and realizes a method for mapping all resources of intelligent mobile terminal equipment, including multimedia, navigation and other resources, to the whole vehicle-mounted distributed system through other standard bidirectional high-speed interfaces of non-Ethernet by means of the mapping operation of a vehicle-mounted distributed network and through the control and management of interconnection protocols and different resource types.
Compared with the vehicle-mounted distributed system, the vehicle-mounted distributed system comprises an electronic system, a vehicle-mounted central control system and the like, and the redefinition of the application and interaction relation of intelligent mobile internet equipment such as a smart phone and the like (based on the next generation distributed Ethernet architecture); the invention aims to better and reasonably integrate a smart phone with resource systems such as a vehicle-mounted electronic network information entertainment and safe driving system.
The vehicle-mounted distributed mapping system mainly comprises a vehicle-mounted distributed network, a vehicle-mounted distributed mapping end and intelligent terminal equipment or a module which is accessed in a distributed mapping end mode and provides new resources and new application or interface calling for the vehicle-mounted distributed system.
The vehicle-mounted distributed mapping end is used as a vehicle-mounted distributed node and comprises various function modules in a vehicle, a vehicle-mounted electronic system, various function modules and a vehicle-mounted distributed software and hardware system, wherein the function modules are connected with a vehicle-mounted distributed system through a two-way high-speed interface of a vehicle-mounted Ethernet standard and the vehicle-mounted distributed network; the intelligent terminal equipment including the handheld intelligent mobile terminal interconnection equipment (such as a smart phone) can be defined as distributed equipment nodes which do not work according to the interface specification and the working state machine mode of the vehicle-mounted distributed mapping system, and can be paired or accessed through a wireless protocol in a plug-and-pull mode. If the system resources of the handheld intelligent mobile terminal device need to become a part of the vehicle-mounted distributed system, any one of the distributed nodes N1 to Nx in the distributed system is designated as a mapping end through a special protocol of the non-ethernet standard and a mode design of a control state machine, and the resources needing to be called are mapped to the designated distributed node, namely the distributed mapping end, so that other distributed nodes can recognize and call the resources, or the resources of other distributed nodes of the vehicle-mounted distributed mapping system can be recognized and called by the smart phone through the distributed mapping point. Of course, in the distributed mapping system of the present invention, each resource distributed node has no master-slave relationship, and is mapped, called or identified as needed.
After the intelligent mobile terminal device is used as a distributed node resource in the distributed mapping system of the invention, resources such as multimedia playing, internet communication, navigation application, high-definition touch screen and the like on mobile phone devices pass through the distributed mapping mode of the invention, namely: leading the data into a vehicle-mounted distributed system through a certain distributed mapping end; the vehicle-mounted distributed system can directly call the resources of the mobile phone equipment, even under the most extreme condition, the vehicle-mounted distributed system does not need to independently construct the functional modules, the mobile phone is connected to the vehicle-mounted distributed system after getting on the vehicle to form the integral vehicle-mounted distributed mapping system, and the functions of the distributed mapping end are enhanced, namely the functions mapped by multimedia playing, internet communication, navigation application, a high-definition touch screen and the like are added to the whole distributed system. Of course, the functions are finally embodied to the user and are not independently operated, but are cooperated with other components of the vehicle-mounted distributed system to form a whole vehicle-mounted distributed mapping system; of course, the resource mapping technology is completed based on a certain protocol or data interaction specification, and a specific resolution mapping method and a protocol are additionally patented, the invention is not elaborated, and the invention only relates to a method and a protocol for mapping resources and does not relate to a further state working mode.
The vehicle-mounted distributed mapping system and the mapping method have strong industrial applicability, and the technical practicability of the invention is described through specific embodiments as follows.
Fig. 1 is a schematic diagram of a framework structure of a vehicle-mounted distributed mapping system, and the vehicle-mounted distributed mapping system of the present invention includes a vehicle-mounted distributed system and an external device, such as an intelligent terminal device, connected to the vehicle-mounted distributed system. The vehicle-mounted distributed system comprises an in-vehicle system which is constructed by a vehicle-mounted distributed network based on a vehicle-mounted Ethernet technology and is applied to vehicle-mounted information interaction, vehicle-mounted entertainment, equipment interconnection, a sensor system, auxiliary driving and the like, and can be divided into a plurality of distributed nodes positioned on the vehicle-mounted distributed network according to functions or structures, wherein N1-Nx is a positive integer, and X is a positive integer. The external equipment is connected to the vehicle-mounted distributed system through a distributed node designated as a distributed mapping end, and the distributed mapping end is a distributed node in the vehicle-mounted distributed system and has system functions of resource access, application fusion processing and the like on equipment with a non-vehicle-mounted distributed standard interface. And the external equipment, namely the intelligent terminal equipment/module is accessed through a distributed mapping terminal based on the off-board distributed specification interface and provides new resources and new application or interface calling for the on-board distributed system. The off-board distributed standard interface is a bidirectional high-speed interface and a protocol stack, is an off-board Ethernet standard bidirectional high-speed interface, a protocol stack and a state machine, is used for identifying and matching a mapping point and mapping end equipment point to point, importing intelligent equipment resources of the off-board distributed standard interface and realizing system level calling of a distributed network resource unified interface.
The vehicle-mounted distributed system comprises a vehicle-mounted control device and a plurality of communication interfaces of other functional modules, which are communicated with each other on the basis of an Ethernet bus. After mapping, the intelligent mobile terminal device (which may be referred to as a mobile device for short) may communicate with the communication interface and/or the vehicle-mounted control device. The intelligent mobile terminal device may be a mobile phone, a Personal Digital Assistant (PDA), a handheld computer, a laptop computer, a tablet computer, etc., and the communication interface may be a wired communication interface and/or a wireless communication interface. The bidirectional intercommunication between the intelligent mobile terminal device and the communication interface and/or the vehicle-mounted control device can be wired or wireless, and includes (but is not limited to): connecting lines, socket contact connections, mobile or cellular networks or WLANs ("wireless local area networks", possibly of the 802.11 (or WiFi) or WiMAX type), or also possibly wireless short-range communication networks of the bluetooth type. The vehicle-mounted control device and the mobile device can be regarded as distributed node devices in the vehicle-mounted distributed system in the whole vehicle-mounted distributed mapping system.
In the present embodiment, in consideration of mobility of the vehicle-mounted person and the mobile device, the bidirectional intercommunication between the mobile device and the communication interface may be the wireless communication, which is preferable for user convenience and user experience improvement.
Fig. 2 is a schematic diagram showing a configuration of an in-vehicle control apparatus in the in-vehicle distributed system according to the present invention shown in fig. 1. The vehicle-mounted control device 1 comprises a main controller 101, a CAN controller 102, an efficacy controller 103, an in-vehicle high-speed data bus 104, a radio and audio modulation controller 105 and a communication interface 106.
The main controller 101 may control operations of the CAN controller 102, the efficacy controller 103, the radio and audio modulation controller 105, and the like. The main controller 101 may also control display of the in-vehicle display 12 and communication between the communication interface 106 and an external device such as the ethernet bus 2 or the mobile device 4. Meanwhile, the main controller 101 may control the in-vehicle high-speed data bus 104, the CAN controller 102 may control the in-vehicle low-speed control network bus 11, and the efficacy controller 103 may control the in-vehicle speaker 15 for outputting a sound signal. In short, each functional module in the vehicle-mounted distributed system is a distributed node device in the vehicle-mounted distributed mapping system, and can call resources of other distributed nodes, and can also be called by other distributed node devices.
Fig. 3 is a schematic diagram showing the structure of the intelligent mobile terminal device 4 relating to the present invention. As shown in fig. 3, the prior art intelligent mobile terminal device 4 generally includes a main controller 401, a voice recognition module 402, a multimedia playing processing unit 403, a positioning and navigation module 404, a user data storage 405, a network application framework 406, a user perception and recognition 407, a voice call unit 408, a data internet access unit 409, a touch display screen unit 410 and a communication interface 411. The main controller 401 may control operations of the voice recognition module 402, the multimedia playing processing unit 403, the positioning and navigation module 404, the user data storage 405, the web application framework 406, the user sensing and recognition 407, the voice call unit 408, the data internet unit 409, the touch display screen unit 410, the communication interface 411, and the like.
Fig. 4 is a schematic diagram illustrating the connection of the vehicle-mounted control apparatus of fig. 2 and the intelligent mobile terminal device of fig. 3 through a standard high-speed bi-directional interface according to the present invention. As shown in fig. 4, all the functional modules of the vehicle-mounted control apparatus 1 and all the functional modules of the intelligent mobile terminal device 4 are located on the vehicle-mounted distributed network based on the connection of the fee ethernet standard high-speed bidirectional interface, and become node resources on the vehicle-mounted distributed network based on the ethernet technology.
As shown in fig. 9: the mapping method of the distributed mapping system of the invention comprises the following basic steps: a device access request; serial interface protocol matching, mapping request and handshake protocol; analyzing mapping resources, loading a distributed mapping mode state machine, and triggering the distributed mapping mode state machine to enter a mapping mode working state; the distributed network discovers new functions of new resources and new devices; or, the mobile terminal device considers itself as a distributed node to access the distributed network through the mapping end.
That is, when the main controller 101 of the vehicle-mounted control device 1 in fig. 3 receives the instruction information to determine the current event and the state of the state machine (such as the vehicle-mounted entertainment system, the vehicle-mounted navigation system, etc.), checking whether the current state of the state machine has a response relationship with the current event; if the current state of the state machine does not have a response relation with the current event, controlling the state machine to keep the current state; and if the current state of the state machine has a response relation with the current event, performing state switching processing on the current state of the state machine.
The protocol adopted in the distributed mapping system and the mapping method is a high-speed data protocol which can be used for space division or time division multiplexing, such as USB, Bluetooth and the like, and the data structure of the system comprises a universal protocol synchronization bit, a protocol data type bit, a self-defined protocol, data and a check bit. As shown in fig. 8, the distributed mapping system and the mapping method of the present invention further define the above-mentioned custom protocol and data, including the identity number of the casting device, the identity number of the service, the command content, the data stream, and the command content 2. The self-defined data format is not unique and can be defined after being adjusted according to needs. When a message with small data volume, such as a state machine synchronization message, is transmitted, in order to ensure strong transmission timeliness, two sides can be considered to be almost synchronous, and time delay can be considered to be ignored; when the stream media data is transmitted, a new data channel needs to be established by performing pre-operation, and once the new data channel is established, the specific function is executed and the output result is guaranteed.
As shown in fig. 5: the projection end distributed node-audio node request operation flow diagram of the distributed mapping system is characterized in that a touch input device of an intelligent mobile terminal device receives a user request to open a network music APP, then request instruction information sends projection resources, music playing, service, network music, a command-audio channel establishment request and data information-null to distributed mapping points in the system through a protocol such as the protocol shown in FIG. 9 to perform state self-checking, a self-checking result (a vehicle-mounted audio playing module can be called) is requested to be fed back to a request end to establish a transmission channel for playing music resources, an android or iOS framework is called to establish a network data channel, and an audio data stream is output; and next, requesting instruction information to send projection resources, namely music playing, service, network music, command, starting transmission and data information, namely null to distributed mapping points in the system, switching the state of the node state machine to audio data and forwarding the audio data to the in-vehicle audio playing module/power amplification module, continuously transmitting the audio data until the input equipment of the intelligent mobile terminal equipment is triggered by a playing stop request, simultaneously, displaying metadata information (song name, song list, playing time length and the like) in the audio playing process by the intelligent mobile terminal equipment through the APP, and providing an audio effect regulation virtual control panel through the APP and the touch system.
As shown in fig. 6: the invention relates to a projection end distributed node-reversing video service flow diagram of a distributed mapping system, a distributed mapping point acquires triggering of a reversing signal through other nodes of a vehicle-mounted distributed network, a projection resource-video decoding, a service-reversing video, a command-video channel establishment request and data information-null are sent to a mobile intelligent terminal device to trigger system state switching of equipment through a protocol such as figure 9, if the mobile intelligent terminal device can perform state switching to decode and trigger a reversing video APP, the distributed mapping point acquires resources of a camera node through the distributed network continuously and sends coded video screen data to a decoder (called by an android or iOS framework) of the mobile intelligent terminal device through an established video transmission channel, and the mobile intelligent terminal device continuously decodes and plays a real-time video screen of the camera through the APP, the distributed mapping points acquire triggering of a return signal through other nodes of the vehicle-mounted distributed network, send a projection resource-video decoding, a service-reverse video, a command-video transmission completion request and a data information-null to the secondary system state switching of the mobile intelligent terminal equipment triggering equipment, stop video screen data transmission, close the real-time reverse video playing APP and release resources.
As shown in fig. 7: the invention relates to a projection end distributed node-radio song identification service flow diagram of a distributed mapping system.A control panel of a distributed mapping point acquires user trigger and requires to identify the source of audio in playing of a radio module (or other radio modules of distributed nodes) of the distributed mapping point through the Internet; sending a projection resource-networking data, a service-song recognition, a command-big data transmission request and a data information-null to a mobile intelligent terminal device through a protocol as shown in FIG. 9 to trigger the request service and system state switching of the device, if the mobile intelligent terminal device can feed back, packing the audio data of the radio in the existing playing by a distributed mapping point according to the protocol and transmitting the audio data to the mobile intelligent terminal device, calling an android or iOS frame by the mobile intelligent terminal device to start a song recognition APP, opening an interactive window, storing the audio data, continuing calling a network data interface of the android or iOS frame by the mobile intelligent terminal device after the transmission is finished, sending the audio data to a background server, and displaying the process; after the mobile intelligent terminal equipment acquires the song recognition result through the server, the song recognition result is displayed through an APP window of a display terminal of the mobile intelligent terminal equipment.
Those skilled in the art will recognize that the foregoing description is merely one or more embodiments of the present invention, and is not intended to limit the invention thereto. Any equivalent changes, modifications and equivalents of the above-described embodiments are within the scope of the invention as defined by the appended claims, and all such equivalents are intended to fall within the true spirit and scope of the invention.
Claims (11)
1. An in-vehicle distributed mapping system, comprising:
the distributed mapping end: the distributed node performs access and application fusion processing on the equipment of the non-vehicle-mounted distributed system standard interface;
the intelligent terminal module is accessed into the vehicle-mounted distributed system through the distributed mapping end and provides resources, applications or interface calls for the vehicle-mounted distributed system;
the vehicle-mounted distributed network is used for constructing a vehicle-mounted distributed system based on a vehicle-mounted Ethernet, and the vehicle-mounted distributed system comprises a plurality of distributed nodes;
and connecting the non-vehicle-mounted Ethernet standard bidirectional high-speed interface and the protocol stack of the distributed mapping end and the intelligent terminal module, identifying and matching the distributed mapping end and the intelligent terminal module, importing the intelligent terminal module resource, and realizing uniform interface and system-level calling of the vehicle-mounted distributed network mapping node resource.
2. The vehicle-mounted distributed mapping system of claim 1, wherein the vehicle-mounted distributed system further comprises a vehicle-mounted distributed software and hardware system, the vehicle-mounted distributed software and hardware system comprising a plurality of distributed nodes, the distributed nodes being configured to implement mutual identification according to vehicle-mounted distributed network specifications and protocol standards, and the resources cooperate with network interfaces and state machine modes that are mapped/identified and invoked as needed.
3. The vehicle-mounted distributed mapping system of claim 1, wherein the relationship between the intelligent mobile terminal module and the vehicle-mounted distributed network comprises a plug-and-play device or a device paired or accessed through a wireless protocol that does not operate according to the vehicle-mounted distributed mapping system interface specification and the state machine mode; or the like, or, alternatively,
the method comprises the steps that distributed nodes in a vehicle-mounted distributed system are designated as distributed mapping ends through the mode of a protocol and a control state machine, resources needing to be called and identified are mapped to the distributed mapping ends, and other distributed nodes perform protocol interaction with the distributed mapping ends; or after mapping and importing, the intelligent mobile terminal module is regarded as a distributed node, and resources of other distributed nodes are identified and called through the vehicle-mounted distributed mapping system.
4. The in-vehicle distributed mapping system of claim 1, wherein a distributed node in the in-vehicle distributed network manages, maps, and imports an external module from the distributed node through a point-to-point interconnection protocol.
5. The mapping method of the vehicle-mounted distributed mapping system according to claim 1, characterized by comprising the steps of:
performing access or | and application fusion processing on an intelligent terminal module of the off-board distributed system standard interface through a distributed mapping end;
providing resources, applications or | and interface calls to the vehicle-mounted distributed system;
constructing a vehicle-mounted distributed system based on a vehicle-mounted distributed network of a vehicle-mounted Ethernet technology;
connecting the distributed mapping end and the intelligent terminal module based on a bidirectional high-speed interface and a protocol stack of the off-board Ethernet standard, and identifying and matching the distributed mapping end and the intelligent terminal module; and importing the intelligent terminal module resources of the off-board distributed standard interface to realize the uniform interface and system-level calling of the on-board distributed network mapping node resources.
6. The mapping method of the on-vehicle distributed mapping system of claim 5, further comprising:
inputting request instruction information of the vehicle-mounted distributed system via the vehicle-mounted distributed network; or, calling distributed node resources in the vehicle-mounted distributed system according to the instruction information;
calling the corresponding identified and called distributed node information including the identified and imported intelligent terminal module resources according to the instruction information and outputting an operation result;
and outputting the instruction result to the designated distributed node through the vehicle-mounted distributed network according to the operation result.
7. The mapping method of the vehicle-mounted distributed mapping system according to claim 5, further comprising the steps of:
the intelligent terminal module sends an access request to the distributed mapping terminal;
serial interface protocol matching, mapping request and handshake protocol;
analyzing mapping resources, loading a distributed mapping mode state machine, and triggering the distributed mapping mode state machine to enter a mapping mode working state;
discovering a new function by the vehicle-mounted distributed network; or, the intelligent terminal module is self-thought that the distributed nodes access the vehicle-mounted distributed network through the distributed mapping end.
8. The mapping method of the vehicle-mounted distributed mapping system according to claim 7, wherein the intelligent terminal module is a distributed node on the vehicle-mounted distributed network after the intelligent terminal module and the distributed mapping terminal are connected, identified and matched based on a bidirectional high-speed interface and a protocol stack of the non-vehicle-mounted Ethernet standard.
9. The mapping method of the vehicle-mounted distributed mapping system according to claim 5, wherein the vehicle-mounted distributed system further comprises a vehicle-mounted distributed software and hardware system, which comprises a plurality of distributed nodes, and the system is configured according to vehicle-mounted Ethernet technical specifications and protocol standards to realize mutual identification, resource coordination, mapping/identification and calling of network interfaces and state machine modes as required.
10. The mapping method of the vehicle-mounted distributed mapping system according to claim 5, wherein the relationship between the intelligent terminal device and the vehicle-mounted distributed network comprises a plug-and-play device or a device paired or accessed through a wireless protocol, which is defined to not operate according to the vehicle-mounted distributed mapping system interface specification and the operating state machine mode; or the like, or, alternatively,
the method comprises the steps that distributed nodes in a vehicle-mounted distributed system are designated as distributed mapping terminals through a protocol and a mode of a control state machine, and resources needing to be called and identified are mapped to the distributed mapping terminals; or the like, or, alternatively,
the intelligent mobile terminal module is a distributed mapping point and is used for identifying and calling resources of other distributed nodes of the vehicle-mounted distributed mapping system.
11. The mapping method of the vehicular distributed mapping system according to claim 5, wherein a distributed node in the distributed network manages, maps and imports the module outside the network from the distributed node through a peer-to-peer interconnection protocol.
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| CN109515351B (en) * | 2018-11-15 | 2019-08-27 | 上海赫千电子科技有限公司 | Distributed state machine and vehicle-carrying distribution system |
| CN109547543A (en) * | 2018-11-15 | 2019-03-29 | 上海赫千电子科技有限公司 | The distributed operating system and operation method of vehicle-mounted Ethernet |
| CN113783651B (en) * | 2021-09-10 | 2024-02-06 | 阿波罗智能技术(北京)有限公司 | Remote control method and device for parallel driving, cloud end, vehicle end and parallel driving system |
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