CN106274688A - A kind of auto navigation and automobile information display system and implementation method - Google Patents
A kind of auto navigation and automobile information display system and implementation method Download PDFInfo
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- CN106274688A CN106274688A CN201610671436.2A CN201610671436A CN106274688A CN 106274688 A CN106274688 A CN 106274688A CN 201610671436 A CN201610671436 A CN 201610671436A CN 106274688 A CN106274688 A CN 106274688A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
- B60R2300/207—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using multi-purpose displays, e.g. camera image and navigation or video on same display
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8086—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for vehicle path indication
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- Radar, Positioning & Navigation (AREA)
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a kind of auto navigation and automobile information display method i.e. system, method comprises the steps: that vehicle-mounted middle control unit changes according to navigation position, it is thus achieved that navigation direction information;Set transformat and the transmission data of described navigation direction information according to message queue mechanism, and from vehicle GPS end, navigation direction information is transferred to display layer according to frequency and shows;Described transformat at least includes message id and message body.System, including: acquisition module, message transfer module and display module.The present invention is by changing protocol mechanisms and on-vehicle information display mode, it is achieved one can reduce operation frequency of bowing, effective wireless network accesses, data transmit efficient auto navigation and automobile information display system.
Description
Technical field
The present invention relates to automobile assistant driving system, particularly to a kind of auto navigation and automobile information display system and
Implementation method.
Background technology
Along with the development of modern science and technology, automobile industry the most day by day become the most intensive field of application of electronic technology it
One, relevant expert predicts that the electronic installation cost filled on future automobile, by accounting for more than the 15% of vehicle complete vehicle cost, makes automobile
Really becoming so-called " electronic car ", therefore, automotive electronics will be following new economic growth focus.
Automobile assistant driving system mainly can include the display of auto navigation and automobile information, and vehicle mounted guidance is by navigating
Main frame and navigation display terminal two parts composition, utilize vehicle GPS (global positioning system) to coordinate electronic chart to carry out,
It can conveniently and accurately tell that driver goes to the shortest of destination or the fastest path.Vehicle mounted guidance generally comprises: GPS
Navigation, satellite are accurately positioned, optional path searching, automatic speech prompting, the input of navigation pattern multiple purpose, national maps connects
Enter, path planning, voice message, Music Appreciation, the function such as file management.
The display of automobile information, relies primarily on OBD interface, shows the information such as speed, engine speed.OBD is English On-
The abbreviation of Board Diagnostic, translator of Chinese is " onboard diagnostic system ".This system monitors the operation of electromotor at any time
Situation and the duty of exhaust gas aftertreatment system, be once found to have the situation that discharge may be caused to exceed standard, can send police at once
Show.When system malfunctions, trouble light (MIL) or inspection electromotor (Check Engine) emergency warning lamp are bright, OBD system simultaneously
Fault message can be stored in memorizer, can read relevant with the form of DTC by the diagnostic instruments of standard with diagnosis interface
Information.According to the prompting of DTC, maintainer can determine character and the position of fault quickly and accurately.
The defect of auto navigation of the prior art and automobile information display system is:
1) due to screen putting position when automobile information shows mostly, need driver frequently to bow, easily cause driving
Potential safety hazard.
2) most in-vehicle navigation apparatus, the Android vehicle mounted guidance that present manufacturers publicize is all the Android system from mobile phone
System is quoted, and does not support that third party software is downloaded, it is impossible to separate connection the Internet.
3) response speed of car navigation device compared with slow, message transmission rate is low, Consumer's Experience is poor.
Summary of the invention
The technical problem to be solved in the present invention is, by changing protocol mechanisms and on-vehicle information display mode, it is achieved
One can reduce operation frequency of bowing, effective wireless network accesses, data transmit efficient auto navigation and automobile information shows
System.
Solve above-mentioned technical problem, the invention provides a kind of auto navigation and automobile information display method, including as follows
Step:
Vehicle-mounted middle control unit changes according to navigation position, it is thus achieved that navigation direction information;
According to message queue mechanism set described navigation direction information transformat and transmission data, and according to frequency from
Navigation direction information is transferred to display layer and shows by vehicle GPS end;
Described transformat at least includes message id and message body.
Further, the WM_COPYDATA during described message queue mechanism is WinCE operating system.
Further, message id is MSG_ID_GUIDANCEINFO.
Further, described message body includes: size of data, turn direction, distance are when the distance of pre-induction point, apart from mesh
Ground distance, distance the time of destination, present road title, next road name, current vehicle speed, current GPS angle.
Further, described according to frequency from vehicle GPS end navigation direction information is transferred to display layer carry out showing into
One step is: the direction information under 3S sends a current state;And if direction information changes, send one the most immediately
Secondary.
Based on above-mentioned, present invention also offers a kind of auto navigation and automobile information display system, including:
Acquisition module, in order to change according to navigation position at vehicle-mounted middle control unit, it is thus achieved that navigation direction information;
Message transfer module, in order to set transformat and the transmission of described navigation direction information according to message queue mechanism
Data, and from vehicle GPS end, navigation direction information is transferred to display layer according to frequency, described transformat at least includes message
ID and message body;
Display module, in order to the information of the posting according to described message body, shows at display layer.
Further, also include return value module, in order to the reception according to the navigation direction information in message transfer module
Situation, feedback: message body mistake, be properly received message.
Further, described display module, resolve, in order to show, the navigation route information that navigation direction information obtains;Described
Display module, keeps looking squarely sight line with the sight line of driver.
Further, also include wireless module, in order to provide WI-FI to access AP, it is provided that linking Internet interface;And carry
For bluetooth, for keeping being connected with described mobile intelligent terminal.
Further, also include that supplementary module, described supplementary module include: camera unit, sensor unit, audio frequency list
Unit, video unit,
Described camera unit is connected with vehicle-mounted middle control unit, in order to record image information when driving and reversing,
Described sensor unit is connected with vehicle-mounted middle control unit, in order to monitor real-time induction information,
Described audio unit is connected with vehicle-mounted middle control unit, in order to receive voice operating instruction, and plays audio file;
Described video unit is connected with vehicle-mounted middle control unit, in order to the video play in memory body or pass through wireless access
The video downloaded behind the Internet.
Beneficial effects of the present invention:
1) auto navigation in the present invention and automobile information display method, the most vehicle-mounted middle control unit becomes according to navigation position
Change, it is thus achieved that navigation direction information;Transformat and the transmission data of described navigation direction information are set according to message queue mechanism,
And from vehicle GPS end, navigation direction information is transferred to display layer according to frequency and shows;Described transformat at least includes
Message id and message body.It is effectively increased the speed of data transmission, allows auto navigation response speed accelerate, and automobile information shows
Show more comprehensive.
2) auto navigation in the present invention and automobile information display system, owing to display module is in order to show that parsing navigation turns
The navigation route information obtained to information;Described display module, keeps looking squarely sight line with the sight line of driver.Decrease driver
Frequently bow, reduce traffic safety hidden danger.
3) auto navigation in the present invention and automobile information display system, including wireless module, in order to provide WI-FI to access
AP, and be connected with mobile intelligent terminal foundation at Che Nei.WIFI hot spot can be provided, allow the mobile intelligent terminal in car and this heat
Point is set up and is connected, thus realizes accessing uploaded information and the synchronization of the Internet.
Accompanying drawing explanation
Fig. 1 is the auto navigation in one embodiment of the invention and automobile information display method schematic flow sheet.
Fig. 2 is the auto navigation in one embodiment of the invention and automobile information display system structural representation.
Fig. 3 is the auto navigation in one embodiment of the present invention and automobile information display system structural representation.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
Fig. 1 is the auto navigation in one embodiment of the invention and automobile information display method schematic flow sheet.
A kind of auto navigation in the present embodiment and automobile information display method, comprise the steps:
The vehicle-mounted middle control unit of S101 changes according to navigation position, it is thus achieved that navigation direction information;Those skilled in the art can
Understanding, described vehicle-mounted middle control unit includes CAN agreement in car-mounted display and car.Can basis by vehicle GPS unit
Navigation direction information is input to vehicle-mounted middle control unit by navigation.
S102 sets transformat and the transmission data of described navigation direction information according to message queue mechanism, and according to frequency
Navigation direction information is transferred to display layer from vehicle GPS end and shows by rate;Preferably, described message queue mechanism is
WM_COPYDATA in WinCE operating system, this agreement selects message queue mechanism based on Windows as this agreement
Communication mechanism.Therefore and use to windows messaging function be SendMessage;The windows messaging used is WM_
COPYDATA;The Windows structure used is COPYDATASTRUCT.The definition of this protocol message structure be based on
COPYDATASTRUCT structure.WinCE operating system is the same with Windows operating system is the operation system of message-driven
System, has complete message queue to realize in system.The transmission of message both can be carried out, also between each thread within process
Can carry out between different processes.The windows messaging of the overwhelming majority can only carry a small amount of information, and the implication of information is
Through providing.But having individual windows messaging: WM_COPYDATA can carry out the transmission of mass data, its specialized designs is used for
Transmission mass data.
Transformat described in S103 at least includes that message id and message body, wherein said message id are MSG_ID_
GUIDANCEINFO, described message body includes: size of data, turn direction, distance are when the distance of pre-induction point, apart from destination
Distance, distance the time of destination, present road title, next road name, current vehicle speed, current GPS angle.As this
Preferred in embodiment, described be transferred to display layer from vehicle GPS end by navigation direction information according to frequency and carry out showing into one
Step is: the direction information under 3S sends a current state;And if direction information changes, send one the most immediately
Secondary.
Auto navigation in the present embodiment and automobile information display method, the most vehicle-mounted middle control unit becomes according to navigation position
Change, it is thus achieved that navigation direction information;Transformat and the transmission data of described navigation direction information are set according to message queue mechanism,
And from vehicle GPS end, navigation direction information is transferred to display layer according to frequency and shows;Described transformat at least includes
Message id and message body.It is effectively increased the speed of data transmission, allows auto navigation response speed accelerate, and automobile information shows
Show more comprehensive.
Fig. 2 is the auto navigation in one embodiment of the invention and automobile information display system structural representation.
A kind of auto navigation in the present embodiment and automobile information display system, including:
Acquisition module 1, in order to change according to navigation position at vehicle-mounted middle control unit, it is thus achieved that navigation direction information;
Message transfer module 2, in order to set transformat and the biography of described navigation direction information according to message queue mechanism
Transmission of data, and from vehicle GPS end, navigation direction information is transferred to display layer according to frequency, described transformat at least includes disappearing
Breath ID and message body;
Display module 3, in order to the information of the posting according to described message body, shows at display layer.
Additionally auto navigation and automobile information display system in the present embodiment, do not limit to be WINCE system Android system also
It is achieved that wherein the instruction of CAN protocol does not limit platform.
Preferred as in the present embodiment, system also includes return value module, in order to according to leading in message transfer module
The reception condition of boat direction information, feedback: message body mistake, be properly received message.
Preferred as in the present embodiment, described display module, resolve, in order to show, the navigation that navigation direction information obtains
Routing information;Described display module, keeps looking squarely sight line with the sight line of driver, decreases driver and frequently bow, reduce row
Car potential safety hazard.
Preferred as in the present embodiment, described message body includes: size of data, turn direction, distance are when pre-induction point
Distance, distance destination distance, distance the time of destination, present road title, next road name, current vehicle speed,
Current GPS angle.Preferred as in the present embodiment, described is transferred to navigation direction information from vehicle GPS end according to frequency
Display layer carries out showing: the direction information under 3S sends a current state;And if direction information occurs
Change, send the most immediately once.
Wherein,
Described size of data is according to knot unit.
Described turn direction span is 0-6, and specifically, 0 for keeping straight on, and 1 is right front, and 2 is to the right, and 3 is right back,
4 is tune, and 5 is to the left, and 6 is left front.-1 represents invalid, temporarily without direction information.
Distance, the unit of account of the distance of distance destination that described distance is selected when pre-induction are rice, described distance purpose
The unit of account of the time on ground is wonderful.
Described present road title, uses Unicode coding, if during NULL, then it represents that present road is without title.
Next road name described, uses Unicode coding, if during NULL, then it represents that next road is without title.
The measurement unit of described current vehicle speed is KM/H.
Described current GPS angle is: current GPS angle, with positive north as prime direction, and the angle turned clockwise.
Fig. 3 is the auto navigation in one embodiment of the present invention and automobile information display system structural representation.
Auto navigation in the present embodiment and automobile information display system, it includes following structure:
Acquisition module 1, in order to change according to navigation position at vehicle-mounted middle control unit, it is thus achieved that navigation direction information;Message passes
Pass module 2, in order to set transformat and the transmission data of described navigation direction information according to message queue mechanism, and according to frequency
Navigation direction information is transferred to display layer from vehicle GPS end by rate, and described transformat at least includes message id and message body;Aobvious
Show module 3, in order to the information of the posting according to described message body, show at display layer.Preferred as in the present embodiment,
System also includes that supplementary module, described supplementary module include: camera unit 4, sensor unit 5, audio unit 6, video list
Unit 7,
Described photographic head 4 unit is connected with vehicle-mounted middle control unit, in order to record image information when driving and reversing, takes the photograph
As 4 can also include preposition photographic head, (can be used for LDW Lane Departure Warning System, PCW row in order to record running information
The driving safety miscellaneous functions such as people's anti-collision warning.), front car plate, front vehicles image (can be used for FCW forward direction anti-collision early warning system
System), and rearmounted photographic head, in order to record image information during reversing.
Preferred as in the present embodiment, auto navigation and automobile information display system, also include wireless module, in order to carry
Access AP for WI-FI, and be connected with mobile intelligent terminal foundation at Che Nei.WIFI hot spot can be provided, allow the mobile intelligence in car
Terminal can be connected with the foundation of this focus, thus realize accessing uploaded information and the synchronization of the Internet.
Described sensor unit 5 is connected with vehicle-mounted middle control unit, in order to monitor real-time induction information, and sensor unit 5
Including but not limited to: direction sensor, acceleration transducer, GPS, temperature sensor and geomagnetic sensor, described temperature passes
Sensor is in order to the temperature sensed in car and dispels the heat, and described geomagnetic sensor is in order to detect direction, and described direction sensor is used
To judge vehicle advance or the direction fallen back and test running car distance, described acceleration transducer is in order to the system of vehicle
Dynamic, startup detection, described GPS accesses in order to position vehicle location and map.
Described audio unit 6 is connected with vehicle-mounted middle control unit, in order to receive voice operating instruction, and plays audio frequency literary composition
Part;
Described video unit 7 is connected with vehicle-mounted middle control unit, in order to play the video in memory body or to be connect by wireless
Enter behind the Internet the video downloaded.
Preferred as in the present embodiment, system also includes wireless module 8, in order to provide WI-FI to access AP, it is provided that interconnection
Net access interface;And offer bluetooth, for keeping being connected with described mobile intelligent terminal.
Preferably, described supplementary module can also include: ADAS intelligent driving aid system.The rearview camera of ADAS,
Rear-camera head system driver can be helped to find car after object or person person, in order to guarantee safety in the case of move backward also
Parking smoothly.AS is disposed HDR (HDR) photographic head of 1,000,000 pixels, and by unmasked multiple twin
Line realizes the Fast Ethernet of high performance-price ratio and connects and video compress.Other system requires to include suitable physical layer interface and electricity
Source.Video content can be analyzed by intelligent back vision photographic head in this locality, to realize object and pedestrian's detecting.Additionally, they are also
Support that the most local image procossing and Graphics overlay create.They can Measuring Object distance, and trigger brake regulation.This
Function can help driver safety to move backward, and facilitates them to stop into parking stall.The forward sight photographic head of ADAS, in order to deviation is provided
Warning (LDW), automated lane keep auxiliary (LKA), high beam/dipped headlights to control and Traffic Sign Recognition (TSR).
In described message transfer module 2 according to message queue mechanism set described navigation direction information transformat and
Transmission data, and from vehicle GPS end, navigation direction information is transferred to display layer according to frequency and shows;Preferably, described
Message queue mechanism is the WM_COPYDATA in WinCE operating system, and this agreement selects message queue machine based on Windows
It is made as the communication mechanism of this agreement.Therefore and use to windows messaging function be SendMessage;Use is arrived
Windows messaging is WM_COPYDATA;The Windows structure used is COPYDATASTRUCT.This protocol message structure
Definition based on COPYDATASTRUCT structure.WinCE operating system is the same with Windows operating system is that message is driven
Dynamic operating system, has complete message queue to realize in system.The transmission of message both can be at each thread within process
Between carry out, it is also possible to carry out between different processes.The windows messaging of the overwhelming majority can only carry a small amount of information, and
The implication of information is it has been specified that get well.But there is individual windows messaging: WM_COPYDATA can carry out the transmission of mass data, its
Specialized designs is used for transmitting mass data.
Those of ordinary skill in the field it is understood that more than, described be only the present invention specific embodiment, and
Be not used in the restriction present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all
Within protection scope of the present invention should being included in.
Claims (10)
1. an auto navigation and automobile information display method, it is characterised in that comprise the steps:
Vehicle-mounted middle control unit changes according to navigation position, it is thus achieved that navigation direction information;
Transformat and the transmission data of described navigation direction information are set according to message queue mechanism, and according to frequency from vehicle-mounted
Navigation direction information is transferred to display layer and shows by GPS end;
Described transformat at least includes message id and message body.
Auto navigation the most according to claim 1 and automobile information display method, it is characterised in that described message queue machine
It is made as the WM_COPYDATA in WinCE operating system.
Auto navigation the most according to claim 1 and automobile information display method, it is characterised in that message id is MSG_
ID_GUIDANCEINFO。
Auto navigation the most according to claim 1 and automobile information display method, it is characterised in that described message body is wrapped
Include: size of data, turn direction, distance when pre-induction point distance, distance destination distance, distance destination time,
Present road title, next road name, current vehicle speed, current GPS angle.
Auto navigation the most according to claim 1 and automobile information display method, it is characterised in that described according to frequency from
Navigation direction information is transferred to display layer and carries out showing by vehicle GPS end: under 3S sends a current state
Direction information;And if direction information changes, send the most immediately once.
6. an auto navigation and automobile information display system, it is characterised in that including:
Acquisition module, in order to change according to navigation position at vehicle-mounted middle control unit, it is thus achieved that navigation direction information;
Message transfer module, in order to set transformat and the transmission number of described navigation direction information according to message queue mechanism
According to, and from vehicle GPS end, navigation direction information being transferred to display layer according to frequency, described transformat at least includes message id
And message body;
Display module, in order to the information of the posting according to described message body, shows at display layer.
Auto navigation the most according to claim 6 and automobile information display system, it is characterised in that also include return value mould
Block, in order to the reception condition according to the navigation direction information in message transfer module, feedback: message body mistake, be properly received and disappear
Breath.
Auto navigation the most according to claim 6 and automobile information display system, it is characterised in that described display module,
The navigation route information that navigation direction information obtains is resolved in order to show;Described display module, keeps flat with the sight line of driver
Depending on sight line.
Auto navigation the most according to claim 6 and automobile information display system, it is characterised in that also include wireless mould
Block, in order to provide WI-FI to access AP, it is provided that linking Internet interface;And offer bluetooth, it is used for and described mobile intelligent terminal
Keep connecting.
Auto navigation the most according to claim 6 and automobile information display system, it is characterised in that also include assisting mould
Block, described supplementary module includes: camera unit, sensor unit, audio unit, video unit,
Described camera unit is connected with vehicle-mounted middle control unit, in order to record image information when driving and reversing,
Described sensor unit is connected with vehicle-mounted middle control unit, in order to monitor real-time induction information,
Described audio unit is connected with vehicle-mounted middle control unit, in order to receive voice operating instruction, and plays audio file;
Described video unit is connected with vehicle-mounted middle control unit, in order to play the video in memory body or by wireless access to mutually
The video downloaded after networking.
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陈钢: "便携式多媒体导航播放器应用软件的设计与实现", 《中国优秀硕士学位论文全文数据库-信息科技辑》 * |
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