CN108132907B - Method and system for vehicle-mounted software input by combining vehicle information control system - Google Patents
Method and system for vehicle-mounted software input by combining vehicle information control system Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
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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
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40234—Local Interconnect Network LIN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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Abstract
The invention discloses a method and a system for vehicle-mounted software input by combining a vehicle information control system. The method comprises the following steps: s1: acquiring an event provided by an MFL key; s2: transmitting the key value corresponding to the event to the gateway, and judging by the gateway according to the characteristic code of the received information; s3: the gateway converts the information into CAN information and then transmits the CAN information to a vehicle end; s4: the MCU of the vehicle end receives the message on the CAN bus, analyzes the message, reports the message to the MPU through a CIS protocol, and processes the message by a corresponding functional module; and finally, sending the recognized command to the API control of the vehicle-mounted software for mode switching. The system comprises an event acquisition module, a characteristic judgment module, an information conversion module and a message distribution module. The invention can simplify the operation, avoid the distraction of the user during the driving, and improve the safety of the user during the driving while improving the operation convenience of the vehicle-mounted software at the vehicle end.
Description
Technical Field
The invention relates to the field of automobile communication, in particular to a method for inputting vehicle-mounted software by combining a vehicle information control system, and further provides a system for realizing control by applying the method.
Background
At present, the information interaction of vehicle-mounted software is specifically exemplified below by vehicle-mounted wechat interaction, only a vehicle screen can be manually clicked to start wechat, then a certain contact person is manually clicked to select a screen, contents are manually input or input by pressing a voice key, and then the screen is manually clicked to send information, so that the operation process of webpage version wechat operation is realized. The existing vehicle-mounted system on the market only integrates a WeChat vehicle-mounted version and is used according to a default operation mode of the WeChat. The operation of manually clicking the screen is poor in usability and inconvenient to operate, and if a user uses the screen during driving, the user can be distracted, and potential safety hazards exist.
Chinese utility model patent CN202966164U discloses a voice input control instruction device controlled by keys on a steering wheel. The device comprises voice control equipment and a control device for controlling the switch of the voice control equipment, wherein the control device is arranged on a steering wheel of the automobile. Although this patent has mentioned the device of carrying out control pronunciation input through the steering wheel button, solve the technical problem that the operation is inconvenient and influence safety among the prior art. There is no disclosure of methods for accomplishing the operation of the apparatus, and in particular, of the innovative methods present in the operation of the apparatus.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method and a system for inputting vehicle-mounted software information by combining a vehicle information control system, which can simplify the operation, avoid the distraction of users in driving, and improve the safety of users in driving while improving the operation convenience of vehicle-mounted software at the vehicle end.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a method for vehicle-mounted software input in combination with a vehicle information control system comprises the following steps:
s1: acquiring an event provided by an MFL key;
s2: transmitting the key value corresponding to the event to the gateway, and judging by the gateway according to the characteristic code of the received information;
s3: the gateway converts the characteristic code into CAN information, and then transmits the CAN information to the vehicle end through a CAN bus;
s4: the MCU of the vehicle end receives the message on the CAN bus, analyzes the message, reports the analyzed message to the MPU through a CIS protocol, and the application layer performs corresponding distribution according to the message type and processes the message by a corresponding functional module; and finally, sending the recognized command to the API of the vehicle-mounted software to control mode switching.
It should be noted that the possible name explanations in this application include, MFL: a multifunctional steering wheel. The rest are general terms in the communication field. The gateway makes a judgment according to the characteristic code of the received information and judges the key value, thereby providing an instruction for the subsequent work. Through the MFL system control instead of simple voice or simple vehicle end key control, the efficiency and the reliability of the system are improved while convenience and safety are realized, and the problems of recognition error, low signal-to-noise ratio and the like exist in the simple voice control. The efficiency and robustness of signal transmission on the bus are better than those of pure voice control.
In addition, in the process of realizing the signal transmission, additional hardware and modification are not needed, and only a group of signal receiving and transmitting mechanisms are needed to be added on the gateway and the vehicle-end software. An additional judgment mechanism for the signals transmitted by the LIN bus needs to be added to the gateway, and the setting and implementation modes are very simple, but the effect is very good.
Preferably, the modes include an input mode, a voice content input mode; the mode switching is controlled by a corresponding feature code.
The mode switching is controlled by the corresponding characteristic codes, namely different characteristic codes are correspondingly output, and the system can switch the specific mode after the identification.
Preferably, the voice content input mode is: and voice content is input through the vehicle-mounted voice equipment, and voice content input information is sent through the vehicle-mounted software.
It should be noted that the voice content input means that the user performs voice input through the in-vehicle voice input device. The transmission through the vehicle-mounted software means interactive communication with software in the other terminals through the vehicle-mounted software.
More preferably, the voice content input mode is turned on the premise that the input mode is turned on.
More preferably, before the transmission through the vehicle-mounted software, the voice content input information is converted into text content input information, and the text content input information is transmitted through the vehicle-mounted software.
Preferably, the transmission of the key values to the gateway is via the LIN bus, i.e. the controller packages the key values of the events into LIN messages and sends them onto the LIN bus and then to the gateway.
Preferably, the gateway determines the feature code in S2 by using a timer.
Preferably, the gateway determines the feature code in S2 by determining the length of the key press time.
It should be noted that, one of the invention points is that different key values are obtained according to the length of the key pressing time, so as to obtain different feature codes, and the control of the input mode of the vehicle-mounted software is realized after multiple times of protocol conversion and transmission, and in a more specific example, a long key pressing time (such as 2 seconds) can be set to control the input mode of the vehicle-mounted software to be the opening of the input mode, and a short key pressing time (such as 1 second or less) can be set to control the input mode of the vehicle-mounted software to be the opening of the voice content input mode.
The input mode also comprises voice contact person matching, namely voice input of the contact persons is carried out through the vehicle-mounted voice equipment, matching judgment is carried out on contact person information in vehicle-mounted software, and if matching is successful, a voice content input mode is entered; and if the matching is unsuccessful, the voice contact person matching is carried out again.
It should be noted that the voice inputting of the contact refers to that the user inputs the contact information through voice input by the vehicle-mounted voice input device, such as the name and the phone number of the contact. The information is transmitted to the system for determination.
Further preferably, when the voice content input mode is entered, the voice content input information is sent to the corresponding contact through the vehicle-mounted software.
The invention also provides a system for realizing control by applying the method, which comprises the following steps:
the event acquisition module is used for acquiring events provided by the MFL key;
the characteristic judgment module is used for transmitting the key value corresponding to the event to the gateway, and the gateway judges according to the characteristic code of the received information;
the information conversion module is used for converting the characteristic codes into CAN information by the gateway and then transmitting the CAN information to the vehicle end through a CAN bus;
the message distribution module is used for analyzing the message received by the MCU at the vehicle end on the CAN bus, reporting the analyzed message to the MPU through a CIS protocol, and carrying out corresponding distribution by the application layer according to the message type and processing the message by the corresponding functional module; and finally, sending the recognized command to the API of the vehicle-mounted software to control mode switching.
Compared with the prior art, the invention has the beneficial effects that:
1. the method for vehicle-mounted software input by combining the vehicle information control system utilizes the MFL system to control instead of simple voice or simple vehicle-mounted end key control, thereby realizing convenience and safety, improving the efficiency and reliability of the system, and solving the problems of recognition error, low signal-to-noise ratio and the like due to the simple voice control. The efficiency and robustness of signal transmission on the bus are better than those of pure voice control;
2. the method for inputting the vehicle-mounted software by combining the vehicle information control system does not need to add extra hardware and refit in the process of realizing the signal transmission, only needs to add a group of signal receiving and transmitting mechanisms on the gateway and the vehicle-mounted software, has very simple setting and realizing modes, and has very good effect.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic flow chart diagram of a preferred embodiment of a method for on-board software input in conjunction with a vehicle information control system;
FIG. 2 is a schematic information control flow diagram illustrating a first operation mode of the embodiment of FIG. 1;
fig. 3 is a schematic information control flow diagram of a second operation manner in the implementation method of fig. 1.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:
example 1 (method for on-board software input in conjunction with a vehicle information control system):
in the following, a method for inputting vehicle software in conjunction with a vehicle information control system is described with a specific embodiment of vehicle software by using WeChat, as shown in FIG. 1, and in a first aspect, the method includes the following steps:
s1: acquiring an event provided by an MFL key;
s2: transmitting the key value corresponding to the event to the gateway, and judging by the gateway according to the characteristic code of the received information;
s3: the gateway converts the information into CAN information, and then transmits the CAN information to the vehicle end through a CAN bus;
s4: the MCU of the vehicle end receives the message on the CAN bus, analyzes the message, reports the analyzed message to the MPU through a CIS protocol, and the application layer performs corresponding distribution according to the message type and processes the message by a corresponding functional module; and finally, sending the recognized command to an API (application program interface) of the vehicle-mounted software to control the switching of the input modes.
Preferably, the input modes include an on input mode, an on voice content input mode, and the like.
More preferably, the voice content input mode is turned on the premise that the input mode is turned on.
In connection with the first aspect described above, as a preferred embodiment of the second aspect, the transmission of the key value to the gateway is via the LIN bus, i.e. the controller packages the key value of the event into a LIN message and sends it to the LIN bus, which is then transmitted to the gateway.
With reference to the above-mentioned various preferred aspects, as a preferred embodiment of the third aspect, the gateway determines the feature code in S2 by using a timer.
With reference to the foregoing preferred aspects, as a preferred embodiment of the fourth aspect, the judgment of the feature code by the gateway in S2 includes a judgment of a key press time length.
The specific process is explained as follows: when the MFL key is pressed, the corresponding key value is packaged into an LIN message by the relevant controller and sent to an LIN bus, the LIN bus message is received by the gateway, the time length of the key is obtained by the timer, then the protocol conversion is carried out on the signal, and the signal is sent to the vehicle end through the CAN bus. The MCU of the vehicle end receives the message on the CAN bus, analyzes the message, reports the analyzed message to the MPU through a CIS protocol, and the application layer correspondingly distributes the message according to the message type and processes the message by the corresponding functional module. And finally, sending the recognized command to an API of the vehicle-mounted software to enable the vehicle-mounted software to perform corresponding related operations.
With reference to the foregoing preferred aspects, in another preferred embodiment, the method further includes performing voice content input through a vehicle-mounted voice device, and sending voice content input information through the vehicle-mounted software.
Preferably, before the transmission through the onboard software, the voice content input information is converted into text content input information, and the text content input information is transmitted through the onboard software.
Preferably, the S5 further includes voice contact matching, that is, performing voice input on a contact through the vehicle-mounted voice device, performing matching judgment on contact information in the vehicle-mounted software, and entering voice content input if matching is successful; and if the matching is unsuccessful, the voice contact person matching is carried out again.
Preferably, when the voice content input is entered, the voice content input information is sent to the corresponding contact through the vehicle-mounted software.
The specific operation on the WeChat is as follows:
1. when the vehicle-mounted information interface is in a WeChat interface, a user sends a key value signal To a gateway through an LIN bus by long pressing a PTT (push To talk) key, and the gateway converts the signal according To the characteristics and the duration of the signal and forwards the signal To a vehicle end. The vehicle terminal obtains the information forwarded by the gateway through the CAN bus, analyzes the related information, reads out the command of the WeChat, converts the command into a corresponding command format, transmits the command to the API of the WeChat, and performs the operation of WeChat input. Then, the contact to be contacted is input through voice, the voice recognition engine is started to recognize the WeChat name of the person needing to be contacted by the user, the related contact is found by matching the WeChat address book of the user, and a chat interface is opened, as shown in fig. 2.
2. After entering the chat interface, the PTT key is pressed for a short time, the chat content is input by voice, then the related information is transmitted to the voice recognition engine, and then the voice content of the user converted into the text information is sent out after the user confirms. As shown in fig. 3.
Example 2 (system for on-board software input in conjunction with a vehicle information control system):
correspondingly, the invention also provides a system for realizing control by applying the method, and the system comprises:
the event acquisition module is used for acquiring events provided by the MFL key;
the characteristic judgment module is used for transmitting the key value corresponding to the event to the gateway, and the gateway judges according to the characteristic code of the received information;
the information conversion module is used for converting the characteristic codes into CAN information by the gateway and then transmitting the CAN information to the vehicle end through a CAN bus;
the message distribution module is used for analyzing the message received by the MCU at the vehicle end on the CAN bus, reporting the analyzed message to the MPU through a CIS protocol, and carrying out corresponding distribution by the application layer according to the message type and processing the message by the corresponding functional module; and finally, sending the recognized command to the API control of the vehicle-mounted software for mode switching.
The preferred method and effect of this embodiment correspond to embodiment 1 described above, and will not be described in detail here.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. A method for vehicle-mounted software input by combining a vehicle information control system is characterized by comprising the following steps:
s1: acquiring an event provided by an MFL key;
s2: transmitting the key value corresponding to the event to a gateway through an LIN bus, and judging by the gateway according to the characteristic code of the received information;
s3: the gateway converts the characteristic code into CAN information, and then transmits the CAN information to a vehicle end through a CAN bus, wherein the judgment of the characteristic code by the gateway in S2 is performed through a timer;
s4: the MCU of the vehicle end receives the message on the CAN bus, analyzes the message, reports the analyzed message to the MPU through a CIS protocol, and the application layer performs corresponding distribution according to the message type and processes the message by a corresponding functional module; finally, sending the recognized command to an API (application program interface) control mode switch of the vehicle-mounted software, wherein the mode comprises an input mode and a voice content input mode; the mode switching is controlled by a corresponding feature code; and when the vehicle-mounted software enters a voice content input mode, the voice content input information is sent to the corresponding contact person through the vehicle-mounted software.
2. The method for on-board software input in conjunction with a vehicle information control system of claim 1, wherein the voice content input mode is: and voice content is input through the vehicle-mounted voice equipment, and voice content input information is sent through the vehicle-mounted software.
3. The method for on-board software input in conjunction with a vehicle information control system of claim 1, wherein the enabling of the voice content input mode is performed on the premise that the input mode is enabled.
4. The method of claim 3, wherein the voice content input information is converted into text content input information before being transmitted through the in-vehicle software, and the text content input information is transmitted through the in-vehicle software.
5. The method for on-board software input in conjunction with a vehicle information control system of claim 1, wherein said determination of said feature code by said gateway in S2 is made by a determination of a key press time length.
6. The method for vehicle software input in combination with the vehicle information control system according to claim 1, wherein the input mode further includes voice contact matching, that is, voice input of contacts is performed through vehicle-mounted voice equipment, and matching judgment is performed on contact information in the vehicle-mounted software, and if matching is successful, the vehicle-mounted software input mode is entered; and if the matching is unsuccessful, the voice contact person matching is carried out again.
7. A system for implementing control by applying the method according to any one of claims 1 to 6, the system comprising:
the event acquisition module is used for acquiring events provided by the MFL key;
the characteristic judgment module is used for transmitting the key value corresponding to the event to the gateway, and the gateway judges according to the characteristic code of the received information;
the information conversion module is used for converting the characteristic codes into CAN information by the gateway and then transmitting the CAN information to the vehicle end through a CAN bus;
the message distribution module is used for analyzing the message received by the MCU at the vehicle end on the CAN bus, reporting the analyzed message to the MPU through a CIS protocol, and carrying out corresponding distribution by the application layer according to the message type and processing the message by the corresponding functional module; and finally, sending the recognized command to the API of the vehicle-mounted software to control mode switching.
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| CN110203147B (en) * | 2019-06-04 | 2021-06-04 | 广州小鹏汽车科技有限公司 | Control method of vehicle, and non-transitory computer-readable storage medium |
| CN112241275A (en) * | 2019-07-18 | 2021-01-19 | 上海擎感智能科技有限公司 | File upgrading method and device, vehicle machine and vehicle |
| CN113395383B (en) * | 2020-02-27 | 2024-05-31 | 阿尔派株式会社 | Electronic device and information transmission method |
| CN111367535A (en) * | 2020-02-28 | 2020-07-03 | 深圳市元征科技股份有限公司 | Software burning method, vehicle-mounted equipment and medium |
| CN112398711B (en) * | 2020-09-23 | 2022-07-15 | 卡斯柯信号有限公司 | CAN bus communication method for safety computer |
| CN114347788B (en) * | 2021-11-30 | 2023-10-13 | 岚图汽车科技有限公司 | Intelligent cabin man-machine interaction key control system based on service |
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