CN106274688B - 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
- Publication number
- CN106274688B CN106274688B CN201610671436.2A CN201610671436A CN106274688B CN 106274688 B CN106274688 B CN 106274688B CN 201610671436 A CN201610671436 A CN 201610671436A CN 106274688 B CN106274688 B CN 106274688B
- Authority
- CN
- China
- Prior art keywords
- navigation
- information
- vehicle
- message
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 description 3
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 description 3
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of auto navigation and automobile information display method, that is, system, method includes the following steps: that vehicle-mounted middle control unit changes according to navigation position, obtains navigation direction information；The transformat and transmission data of the navigation direction information are set according to message queue mechanism, and navigation direction information is transferred to from vehicle GPS end by display layer according to frequency and is shown；The transformat includes at least message id and message body.System, comprising: acquisition module, message transmission module and display module.The present invention realizes that one kind can reduce operating frequency of bowing, the access of effective wireless network, the efficient auto navigation of data transmission and automobile information display system by changing protocol mechanisms and on-vehicle information display mode.
Description
Technical Field
The invention relates to an automobile auxiliary driving system, in particular to an automobile navigation and automobile information display system and an implementation method.
Background
With the development of modern science and technology, the automobile industry is gradually becoming one of the most intensive fields of electronic technology application, and relevant experts predict that the cost of electronic devices for automobile mounting in the future will account for more than 15% of the cost of the whole automobile, so that the automobile really becomes a so-called 'electronic automobile', and therefore, automobile electronics will be a new economic growth hotspot in the future.
The auxiliary driving system for automobile mainly includes automobile navigation and automobile information display, and the vehicle navigation is formed from navigation main machine and navigation display terminal, and is implemented by utilizing vehicle-mounted GPS (global positioning system) and matching it with electronic map, and can conveniently and accurately tell driver the shortest or fastest route to destination. The car navigation generally includes: GPS navigation, accurate satellite positioning, optimal path search, automatic voice prompt, various-purpose input in navigation mode, national map access, path planning, voice prompt, music appreciation, file management and the like.
The display of the automobile information mainly depends on an OBD interface to display information such as the speed, the rotating speed of an engine and the like. OBD is an abbreviation for On-Board Diagnostic in English, translated in Chinese as "On-Board Diagnostic System". The system monitors the running condition of the engine and the working state of the exhaust aftertreatment system at any time, and immediately sends out a warning once the condition that the emission possibly exceeds the standard is found. When the system is out of order, a fault lamp (MIL) or a Check Engine (Check Engine) warning lamp is on, and the OBD system stores the fault information into a memory, and the relevant information can be read in the form of fault codes through a standard diagnostic instrument and a diagnostic interface. According to the prompt of the fault code, the maintenance personnel can quickly and accurately determine the nature and the position of the fault.
The automobile navigation and automobile information display system in the prior art has the defects that:
1) because the screen locating position, needs the driver frequently to hang down the head, causes driving safety hidden danger easily when most car information display.
2) For most vehicle-mounted navigation devices, android vehicle-mounted navigation publicized by manufacturers is introduced from an android system on a mobile phone, third-party software downloading is not supported, and independent connection with the Internet is not available.
3) The automobile navigation equipment has the advantages of low reaction speed, low data transmission rate and poor user experience.
Disclosure of Invention
The invention aims to solve the technical problem of realizing an automobile navigation and automobile information display system which can reduce the head lowering operation frequency, has effective wireless network access and has high data transmission efficiency by changing a communication protocol mechanism and a vehicle-mounted information display mode.
The invention solves the technical problem, and provides a method for automobile navigation and automobile information display, which comprises the following steps:
the vehicle-mounted central control unit obtains navigation steering information according to the navigation position change;
setting a transmission format and transmission data of the navigation steering information according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS (global positioning system) end for displaying according to frequency;
the transport format includes at least a message ID and a message body.
Still further, the message queue mechanism is WM _ COPYDATA in a WinCE operating system.
Further, the message ID is MSG _ ID _ guidineinfo.
Still further, the message body includes: data size, turning direction, distance from the current induction point, distance from the destination, time from the destination, current road name, next road name, current vehicle speed, current GPS angle.
Further, the transmitting the navigation steering information from the vehicle-mounted GPS terminal to the display layer according to the frequency further includes: transmitting steering information in the current state every 3S; and if the steering information is changed, the steering information is immediately sent once.
Based on the above, the present invention further provides a car navigation and car information display system, comprising:
the acquisition module is used for acquiring navigation steering information in the vehicle-mounted central control unit according to the navigation position change;
the message transmission module is used for setting a transmission format and transmission data of the navigation turning information according to a message queue mechanism, and transmitting the navigation turning information to the display layer from the vehicle-mounted GPS terminal according to frequency, wherein the transmission format at least comprises a message ID and a message body;
and the display module is used for displaying on a display layer according to the information carried by the message body.
Furthermore, the system also comprises a return value module which is used for feeding back: the message body is wrong and the message is correctly received.
Furthermore, the display module is used for displaying navigation path information obtained by analyzing the navigation steering information; the display module keeps a head-up sight line with the sight line of a driver.
Furthermore, the wireless access device also comprises a wireless module used for providing WI-FI access to the AP and providing an internet access interface; and providing Bluetooth for keeping connection with the mobile intelligent terminal.
Still further, an auxiliary module is included, the auxiliary module comprising: a camera unit, a sensor unit, an audio unit, a video unit,
the camera unit is connected with the vehicle-mounted central control unit and is used for recording image information during driving and reversing,
the sensor unit is connected with the vehicle-mounted central control unit and is used for monitoring real-time induction information,
the audio unit is connected with the vehicle-mounted central control unit and used for receiving a voice operation instruction and playing an audio file;
the video unit is connected with the vehicle-mounted central control unit and used for playing videos in the memory or videos downloaded after being wirelessly accessed to the Internet.
The invention has the beneficial effects that:
1) the invention relates to a method for automobile navigation and automobile information display, wherein a vehicle-mounted central control unit obtains navigation steering information according to navigation position change; setting a transmission format and transmission data of the navigation steering information according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS (global positioning system) end for displaying according to frequency; the transport format includes at least a message ID and a message body. The data transmission rate is effectively improved, the automobile navigation response speed is increased, and the automobile information display is more comprehensive.
2) In the automobile navigation and automobile information display system, the display module is used for displaying navigation path information obtained by analyzing navigation steering information; the display module keeps a head-up sight line with the sight line of a driver. The frequent head lowering of a driver is reduced, and the potential safety hazard of driving is reduced.
3) The automobile navigation and automobile information display system comprises a wireless module, a mobile intelligent terminal and a wireless module, wherein the wireless module is used for providing WI-FI access to the AP and establishing connection with the mobile intelligent terminal in an automobile. The WIFI hotspot can be provided, the mobile intelligent terminal in the vehicle is connected with the hotspot, and therefore information uploading and synchronization of internet access are achieved.
Drawings
Fig. 1 is a flow chart illustrating a method for displaying car navigation and car information according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a car navigation and car information display system according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of a car navigation and car information display system according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
Fig. 1 is a flow chart illustrating a method for displaying car navigation and car information according to an embodiment of the present invention.
The method for automobile navigation and automobile information display in the embodiment comprises the following steps:
s101, a vehicle-mounted central control unit obtains navigation steering information according to the change of the navigation position; as will be apparent to those skilled in the art, the on-board central control unit includes an on-board display and an on-board CAN bus protocol. And the navigation steering information can be input into the vehicle-mounted central control unit through the vehicle-mounted GPS unit according to navigation.
S102, setting a transmission format and transmission data of the navigation steering information according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS (global positioning system) end for displaying according to frequency; preferably, the message queue mechanism is WM _ COPYDATA in a WinCE operating system, and the protocol selects a Windows-based message queue mechanism as a communication mechanism of the protocol. Therefore, the used Windows message function is SendMessage; the used Windows message is WM _ COPYDATA; the Windows structure used is COPYDATRUCT. The definition of the protocol message structure is based on copy data structure. The WinCE operating system is a message-driven operating system like the Windows operating system, and a complete message queue is arranged in the system for realization. The message may be passed between threads within a process or between different processes. Most Windows messages carry only a small amount of information, and the meaning of the information is well defined. But there is one Windows message: WM _ COPYDATA can be used for mass data transfer, which is specially designed to transfer mass data.
S103, the transport format at least includes a message ID and a message body, where the message ID is MSG _ ID _ guidinacefo, and the message body includes: data size, turning direction, distance from the current induction point, distance from the destination, time from the destination, current road name, next road name, current vehicle speed, current GPS angle. As a preferable example in this embodiment, the transmitting the navigation steering information from the vehicle-mounted GPS terminal to the display layer according to the frequency further includes: transmitting steering information in the current state every 3S; and if the steering information is changed, the steering information is immediately sent once.
In the method for automobile navigation and automobile information display in the embodiment, the vehicle-mounted central control unit obtains navigation steering information according to the change of the navigation position; setting a transmission format and transmission data of the navigation steering information according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS (global positioning system) end for displaying according to frequency; the transport format includes at least a message ID and a message body. The data transmission rate is effectively improved, the automobile navigation response speed is increased, and the automobile information display is more comprehensive.
FIG. 2 is a schematic structural diagram of a car navigation and car information display system according to an embodiment of the present invention.
In this embodiment, an automobile navigation and automobile information display system includes:
the acquisition module 1 is used for acquiring navigation steering information according to the change of the navigation position in the vehicle-mounted central control unit;
the message transmission module 2 is used for setting a transmission format and transmission data of the navigation turning information according to a message queue mechanism, and transmitting the navigation turning information to a display layer from a vehicle-mounted GPS (global positioning system) end according to frequency, wherein the transmission format at least comprises a message ID (identity) and a message body;
and the display module 3 is used for displaying on a display layer according to the information carried by the message body.
In addition, the car navigation and car information display system in this embodiment is not limited to the WINCE system android system, and the command of the CAN protocol is not limited to the platform.
As a preference in this embodiment, the system further includes a return value module, configured to feed back, according to the reception condition of the navigation steering information in the message passing module: the message body is wrong and the message is correctly received.
As a preferred option in this embodiment, the display module is configured to display navigation path information obtained by analyzing the navigation steering information; the display module keeps the head-up sight line with the sight line of the driver, reduces the frequent head lowering of the driver, and reduces the potential safety hazard of driving.
As a preference in this embodiment, the message body includes: data size, turning direction, distance from the current induction point, distance from the destination, time from the destination, current road name, next road name, current vehicle speed, current GPS angle. As a preferable example in this embodiment, the transmitting the navigation steering information from the vehicle-mounted GPS terminal to the display layer according to the frequency further includes: transmitting steering information in the current state every 3S; and if the steering information is changed, the steering information is immediately sent once.
Wherein,
the data size is in units of knots.
The turning direction value range is 0-6, specifically, 0 is straight, 1 is right front, 2 is right, 3 is right rear, 4 is turn around, 5 is left, and 6 is left front. -1 indicates invalid, temporarily no steering information.
The distance from the current induction point to the destination is calculated in meters, and the time from the destination is calculated in microseconds.
The current road name is coded by Unicode, and if NULL is not the case, the name of the current road is not available.
And the next road name is coded by Unicode, and if NULL is not satisfied, the next road name is represented without a name.
And the measurement unit of the current vehicle speed is KM/H.
The current GPS angle is as follows: the current GPS angle is the angle of clockwise rotation with true north as the starting direction.
FIG. 3 is a schematic diagram of a car navigation and car information display system according to a preferred embodiment of the present invention.
The car navigation and car information display system in this embodiment includes the following structure:
the acquisition module 1 is used for acquiring navigation steering information according to the change of the navigation position in the vehicle-mounted central control unit; the message transmission module 2 is used for setting a transmission format and transmission data of the navigation turning information according to a message queue mechanism, and transmitting the navigation turning information to a display layer from a vehicle-mounted GPS (global positioning system) end according to frequency, wherein the transmission format at least comprises a message ID (identity) and a message body; and the display module 3 is used for displaying on a display layer according to the information carried by the message body. As a preference in this embodiment, the system further comprises an auxiliary module, the auxiliary module comprising: a camera unit 4, a sensor unit 5, an audio unit 6, a video unit 7,
the camera 4 unit is connected with the vehicle-mounted central control unit and is used for recording image information during driving and backing, the camera 4 can further comprise a front-mounted camera and is used for recording driving information (which can be used for driving safety auxiliary functions such as an LDW lane departure early warning system and PCW pedestrian collision early warning), a front license plate, a front vehicle image (which can be used for an FCW front anti-collision early warning system) and a rear-mounted camera and is used for recording image information during backing.
Preferably, in this embodiment, the car navigation and car information display system further includes a wireless module, which is used to provide WI-FI access to the AP and establish connection with the mobile intelligent terminal in the car. The WIFI hotspot can be provided, the mobile intelligent terminal in the vehicle is connected with the hotspot, and therefore information uploading and synchronization of internet access are achieved.
The sensor unit 5 is connected with the vehicle-mounted central control unit and used for monitoring real-time sensing information, and the sensor unit 5 includes but is not limited to: direction sensor, acceleration sensor, GPS, temperature sensor and earth magnetism sensor, temperature sensor is used for responding to the temperature in the car and dispels the heat, earth magnetism sensor is used for detecting the direction, direction sensor is used for judging the direction that the vehicle gos forward or backs and test car distance of traveling, acceleration sensor is used for the braking of vehicle, starts the detection, GPS is used for positioning vehicle position and map access.
The audio unit 6 is connected with the vehicle-mounted central control unit and used for receiving voice operation instructions and playing audio files;
the video unit 7 is connected with the vehicle-mounted central control unit and used for playing videos in the memory or videos downloaded after being wirelessly accessed to the internet.
As a preferred option in this embodiment, the system further includes a wireless module 8, configured to provide WI-FI access to the AP and provide an internet access interface; and providing Bluetooth for keeping connection with the mobile intelligent terminal.
Preferably, the auxiliary module may further include: ADAS intelligent driving auxiliary system. ADAS's back vision camera, back vision camera system can help the driver to find the object or the personnel behind the car to back a car and park smoothly into a position under the circumstances of guaranteeing safety. High Dynamic Range (HDR) cameras of 100 ten thousand pixels are deployed in advanced systems, and cost-effective high-speed ethernet connection and video compression are achieved through unshielded twisted pair lines. Other system requirements include appropriate physical layer interfaces and power supplies. The intelligent rearview camera can analyze the video content locally so as to realize the detection of objects and pedestrians. In addition, they also support comprehensive local image processing and graphic overlay creation. They are able to measure object distances and trigger braking interventions. The function can help the driver to safely back the car and bring convenience for the driver to park in the parking space. The forward-looking camera of the ADAS to provide Lane Departure Warning (LDW), automatic Lane Keeping Aid (LKA), high/low beam control, and Traffic Sign Recognition (TSR).
Setting a transmission format and transmission data of the navigation steering information in the message transmission module 2 according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS terminal for display according to frequency; preferably, the message queue mechanism is WM _ COPYDATA in a WinCE operating system, and the protocol selects a Windows-based message queue mechanism as a communication mechanism of the protocol. Therefore, the used Windows message function is SendMessage; the used Windows message is WM _ COPYDATA; the Windows structure used is COPYDATRUCT. The definition of the protocol message structure is based on copy data structure. The WinCE operating system is a message-driven operating system like the Windows operating system, and a complete message queue is arranged in the system for realization. The message may be passed between threads within a process or between different processes. Most Windows messages carry only a small amount of information, and the meaning of the information is well defined. But there is one Windows message: WM _ COPYDATA can be used for mass data transfer, which is specially designed to transfer mass data.
Those of ordinary skill in the art will understand that: the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A method for automobile navigation and automobile information display is characterized by comprising the following steps:
the vehicle-mounted central control unit obtains navigation steering information according to the navigation position change;
setting a transmission format and transmission data of the navigation steering information according to a message queue mechanism, and transmitting the navigation steering information to a display layer from a vehicle-mounted GPS (global positioning system) end for displaying according to frequency;
the transmission format at least comprises a message ID and a message body;
the message queue mechanism is WM _ COPYDATA in a WinCE operating system;
the message ID is MSG _ ID _ GUIDONACENFO;
the message body includes: the data size, the turning direction, the distance from the current induction point, the distance from the destination, the time from the destination, the current road name, the next road name, the current vehicle speed and the current GPS angle;
the step of transmitting the navigation steering information from the vehicle-mounted GPS terminal to the display layer according to the frequency for displaying is further as follows: transmitting steering information in the current state every 3S; and if the steering information is changed, the steering information is immediately sent once.
2. A car navigation and car information display system for performing the method of claim 1, the system comprising:
the acquisition module is used for acquiring navigation steering information in the vehicle-mounted central control unit according to the navigation position change;
the message transmission module is used for setting a transmission format and transmission data of the navigation turning information according to a message queue mechanism, and transmitting the navigation turning information to the display layer from the vehicle-mounted GPS terminal according to frequency, wherein the transmission format at least comprises a message ID and a message body;
the display module is used for displaying on a display layer according to the information carried by the message body;
the display module is used for displaying navigation path information obtained by analyzing the navigation steering information; the display module keeps a head-up sight line with the sight line of a driver;
the wireless module is used for providing WI-FI access to the AP and providing an internet access interface; and providing Bluetooth for keeping connection with the mobile intelligent terminal;
still include supplementary module, supplementary module includes: a camera unit, a sensor unit, an audio unit, a video unit,
the camera unit is connected with the vehicle-mounted central control unit and is used for recording image information during driving and reversing,
the sensor unit is connected with the vehicle-mounted central control unit and is used for monitoring real-time induction information,
the audio unit is connected with the vehicle-mounted central control unit and used for receiving a voice operation instruction and playing an audio file;
the video unit is connected with the vehicle-mounted central control unit and used for playing videos in the memory or videos downloaded after being wirelessly accessed to the Internet.
3. The system of claim 2, further comprising a return value module for feeding back: the message body is wrong and the message is correctly received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671436.2A CN106274688B (en) | 2016-08-15 | 2016-08-15 | A kind of auto navigation and automobile information display system and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671436.2A CN106274688B (en) | 2016-08-15 | 2016-08-15 | A kind of auto navigation and automobile information display system and implementation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106274688A CN106274688A (en) | 2017-01-04 |
| CN106274688B true CN106274688B (en) | 2019-05-07 |
Family
ID=57670689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671436.2A Active CN106274688B (en) | 2016-08-15 | 2016-08-15 | A kind of auto navigation and automobile information display system and implementation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106274688B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515032A (en) * | 2008-02-22 | 2009-08-26 | 华硕电脑股份有限公司 | Integral satellite navigation system, navigation interface, method for displaying navigation information |
| CN204037487U (en) * | 2014-05-04 | 2014-12-24 | 佛山市天地行科技有限公司 | Car-mounted terminal |
| CN105579968A (en) * | 2013-09-26 | 2016-05-11 | 大陆汽车有限责任公司 | User message queue method for inter-process communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8775074B2 (en) * | 2009-01-30 | 2014-07-08 | Navteq B.V. | Method and system for refreshing location code data |
-
2016
- 2016-08-15 CN CN201610671436.2A patent/CN106274688B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515032A (en) * | 2008-02-22 | 2009-08-26 | 华硕电脑股份有限公司 | Integral satellite navigation system, navigation interface, method for displaying navigation information |
| CN105579968A (en) * | 2013-09-26 | 2016-05-11 | 大陆汽车有限责任公司 | User message queue method for inter-process communication |
| CN204037487U (en) * | 2014-05-04 | 2014-12-24 | 佛山市天地行科技有限公司 | Car-mounted terminal |
Non-Patent Citations (2)
| Title |
|---|
| 便携式多媒体导航播放器应用软件的设计与实现;陈刚;《中国优秀硕士学位论文全文数据库-信息科技辑》;20090515;第26-30页 |
| 便携式多媒体导航播放器应用软件的设计与实现;陈钢;《中国优秀硕士学位论文全文数据库-信息科技辑》;20090515;第26-30页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106274688A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112673231B (en) | Method for updating an environment map, device for carrying out method steps of the method on a vehicle side, vehicle, device for carrying out method steps of the method on a central computer side, and computer-readable storage medium | |
| US9020746B2 (en) | Vehicle-mounted information processing apparatus and information processing method | |
| CN112738171B (en) | Vehicle control method, device, system, equipment and storage medium | |
| US10446035B2 (en) | Collision avoidance device for vehicle, collision avoidance method, and non-transitory storage medium storing program | |
| CN111699523B (en) | Information generation device, information generation method, computer program, and in-vehicle device | |
| US11037442B2 (en) | System, system control method, and information providing server | |
| CN111508276B (en) | High-precision map-based V2X reverse overtaking early warning method, system and medium | |
| JP5902076B2 (en) | Information processing apparatus, information processing method, and program | |
| US11189162B2 (en) | Information processing system, program, and information processing method | |
| EP3046090A1 (en) | An apparatus, a method, and a computer program for assisting a driver | |
| US11361687B2 (en) | Advertisement display device, vehicle, and advertisement display method | |
| EP3693240A1 (en) | Control of activation threshold for vehicle safety systems | |
| JP2004258900A (en) | Surrounding vehicle information providing system | |
| JP2015005113A (en) | Determination device, receiving device, control method, program and storage medium | |
| JP2017123072A (en) | Driving support apparatus and computer program | |
| JP4800252B2 (en) | In-vehicle device and traffic information presentation method | |
| WO2014167793A1 (en) | Vehicle outside image saving device, and portable terminal with imaging function | |
| CN106274688B (en) | A kind of auto navigation and automobile information display system and implementation method | |
| EP3868139B1 (en) | Virtual representation of non-connected vehicles in a vehicle-to-everything (v2x) system | |
| JP2021135099A (en) | Information processing device | |
| JP2012073181A (en) | Driving support device | |
| US20150336508A1 (en) | Driving support device, vehicle, and control program | |
| JP4725503B2 (en) | In-vehicle device, driving support system, and driving support method | |
| JP7203123B2 (en) | Communication system, communication terminal, control method, program, and storage medium for storing program | |
| CN110550036B (en) | Driving assistance apparatus, vehicle, and driving assistance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |