CN106828357A - A kind of vehicle-mounted data detection method and device based on serial communication - Google Patents
A kind of vehicle-mounted data detection method and device based on serial communication Download PDFInfo
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- CN106828357A CN106828357A CN201611199980.8A CN201611199980A CN106828357A CN 106828357 A CN106828357 A CN 106828357A CN 201611199980 A CN201611199980 A CN 201611199980A CN 106828357 A CN106828357 A CN 106828357A
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- vehicle
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- instruction
- serial ports
- serial communication
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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
- B60R16/023—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 for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
Abstract
The invention discloses a kind of vehicle-mounted data detection method based on serial communication and device, wherein method comprises the following steps：Vehicle model is selected according to preset vehicle model list, and corresponding application program is obtained according to signals of vehicles；Radar detection data and vehicle condition data that OPS onboard systems are detected are received by CAN serial ports or UART serial ports；Parse and the steering data of Current vehicle are judged according to detection data and vehicle data, control instruction corresponding with data are turned to is exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, output display vehicle-surroundings information after being processed by 360 degree of panorama DAS (Driver Assistant System)s, judges whether Current vehicle surrounding has barrier.The present invention realizes the purpose of compatible CAN data and URAT data by the setting of Multi-serial port, and the management to different automobile types is realized by the setting of different application, realizes, to 360 degree of panorama detections of vehicle, reducing the probability of happening of accident.
Description
Technical field
The invention belongs to intelligent terminal technical field, in particular to a kind of vehicle-mounted data inspection based on serial communication
Survey method and device.
Background technology
Can only be communicated by a kind of serial ports between current car-mounted terminal and exterior terminal, be limited car-mounted terminal hair
Exhibition and the communication with other car-mounted terminals.
The content of the invention
To solve the limitation that existing car-mounted terminal communicates with other-end, the present invention is realized to not by the setting of Multi-serial port
With the parsing of serial data, and then vehicle-mounted user is instructed.
The invention provides a kind of vehicle-mounted data detection method based on serial communication, it is characterised in that including following step
Suddenly：
Vehicle model is selected according to the preset vehicle table of comparisons, and corresponding application program is obtained according to signals of vehicles；
Radar detection data and vehicle condition data that OPS onboard systems are detected are received by CAN serial ports or UART serial ports, its
In, vehicle condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
Parse and judge the steering data of Current vehicle according to detection data and vehicle data, will be corresponding with steering data
Control instruction is exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, is driven by 360 degree of panorama auxiliary
Output display vehicle-surroundings information after system treatment, judges whether Current vehicle surrounding has barrier.
Further, it is described to be gone here and there by CAN serial ports or UART in the described vehicle-mounted data detection method based on serial communication
Mouth is received radar detection data and is included by the vehicle condition data that car-mounted terminal is obtained
Read Current vehicle vehicle body information command information table, instruction catalogue include key plug/unplug instruction, gear instruction,
Service brake instruction, steering indicating light instruction and throttle instruction；
The detection data that will be received is matched with instruction catalogue, judges the vehicle condition state of Current vehicle.
Further, it is described according to preset vehicle model in the described vehicle-mounted data detection method based on serial communication
List selects vehicle model, and is also included according to the corresponding application program of signals of vehicles acquisition
The time of Current vehicle is set according to preset set of time pattern.
Further, in the described vehicle-mounted data detection method based on serial communication, the transmission cycle of vehicle body information is 1
Secondary/100ms.
Further, in the described vehicle-mounted data detection method based on serial communication, the level of CAN serial ports or UART serial ports
It is 3.3V/5VTTL, serial data frame format is the data bit of 8N1 patterns, i.e., 8, no parity, 1 stop position, and baud
Rate is fixed on 19200bps.
Further, 360 degree of panorama DAS (Driver Assistant System)s include front end radar probe, rear end radar probe, radar host computer,
OPS processors, the camera installed in vehicle front and the camera installed in rear vehicle end, wherein, OPS processors with shooting
Head, radar host computer connection.
Present invention also offers a kind of vehicle-mounted data detection means based on serial communication, including
Program setup module, for selecting vehicle model according to the preset vehicle table of comparisons, and obtains according to signals of vehicles
Corresponding application program；
Receiver module, for by CAN serial ports or UART serial ports receive radar detection data that OPS onboard systems detect and
Vehicle condition data, wherein, vehicle condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
Processing module, judges for parsing and according to detection data and vehicle data the steering data of Current vehicle, will be with
Turn to the corresponding control instruction of data to be exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, by 360
Output display vehicle-surroundings information after the DAS (Driver Assistant System) treatment of degree panorama, judges whether Current vehicle surrounding has barrier.
Further, in the described vehicle-mounted data detection means based on serial communication, receiver module includes
Interface reading submodule, the command information table of the vehicle body information for reading Current vehicle, instruction catalogue includes key
Plug/unplug instruction, gear instruction, service brake instruction, steering indicating light instruction and throttle instruction；
Judging submodule, the detection data for that will receive is matched with instruction catalogue, judges the vehicle condition of Current vehicle
State.
Further, in the described vehicle-mounted data detection method based on serial communication, program setup module also includes
Set of time submodule, the time for setting Current vehicle according to preset set of time pattern.
To sum up, the present invention realizes the purpose of compatible CAN data and URAT data by the setting of Multi-serial port, by difference
The management to different automobile types is realized in the setting of application program, realizes that, to 360 degree of panorama detections of vehicle, the generation for reducing accident is general
Rate.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the vehicle-mounted data detection method based on serial communication of the present invention；
Fig. 2 is the schematic flow sheet of S102 in the vehicle-mounted data detection method based on serial communication of the present invention；
Fig. 3 is the structure of block diagram schematic diagram of the vehicle-mounted data detection means based on serial communication of the present invention.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
As shown in figure 1, the invention provides a kind of vehicle-mounted data detection method based on serial communication, including following step
Suddenly：
S101, vehicle model is selected according to the preset vehicle table of comparisons, and corresponding application journey is obtained according to signals of vehicles
Sequence；
The present invention can support that various vehicle datas are detected, preset vehicle model optionally includes (1) during specific implementation
BENZ(2)BMW(3)AUDI(4)VOLVO(5)Chrysler JEEPDODGE(6)Porsche(7)GMCadillac(8)PSA
(9)DS(10)Mazda(11)FORD(12)NISSAN(13)FIAT(14)OPEL(15)JAGUAR(16)RENAULT(17)ALFA
(18) HONDA (19) TOYOTA (20) LEXUS (21) KIA (22) HYUNDRI (23) CHERY (24) VW etc..
S102, radar detection data and vehicle condition number that the detection of OPS onboard systems is received by CAN serial ports or UART serial ports
According to, wherein, vehicle condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
Further, OPS onboard systems include front end radar probe, rear end radar probe, radar host computer, OPS processors, peace
Camera mounted in vehicle front and the camera installed in rear vehicle end, wherein, OPS processors and camera, radar host computer
Connection.
S103, parsing simultaneously judge the steering data of Current vehicle according to detection data and vehicle data, will with turn to data
Corresponding control instruction is exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, auxiliary by 360 degree of panoramas
Output display vehicle-surroundings information after helping control loop to process, judges whether Current vehicle surrounding has barrier.
Further, 360 degree of panorama DAS (Driver Assistant System)s include front end radar probe, rear end radar probe, radar host computer,
OPS processors, the camera installed in vehicle front and the camera installed in rear vehicle end, wherein, OPS processors with shooting
Head, radar host computer connection.360 degree of visual parking systems of panorama DAS (Driver Assistant System) OPS (Optical Parking System)
The actually Function Extension of auxiliary system for parking --- being commonly called as parking radar ---.Visual parking system is by parking radar
Ultrasonic sensor receives the ultrasonic signal that fires back of barrier and is analyzed, processes and calculates, calculate barrier with
The distance between current vehicle, analyzes orientation of the barrier with respect to my car, then with intuitively animation simulation image in sound equipment/lead
Navigate all-in-one liquid crystal display on show so that user uses the minimum time, calm, rapidly, safely with minimum risk
Vehicle is moved in narrow space, easily by car into and out parking stall.
Further, the S102 includes as shown in Figure 2
The command information table of S1021, the vehicle body information of reading Current vehicle, instruction catalogue includes key plug/unplug instruction, gear
Instruction, service brake instruction, steering indicating light instruction and throttle instruction；
During specific implementation, vehicle body information optionally represents basic status using Data0：Such as
Bit0~Bit1:Represent ACC states ((such as 00b:Key extracts (ACC output pins export 0V), 01b:ACC OFF
(ACC output pins export 0V), 10b:ACC (ACC output pins export 12V), 11b:ACC ON (ACC output pins export 12V))；
Bit2 represents ILL states (such as 0b:Close 1b:Open)；
Bit3 represents service brake state (such as 0b:Normally, 1b:Brake)；
Bit4~Bit7 represents range state (such as 0000b:P、0001b:R、0010b:N、0011b:D).
Data1 represents car light/throttle, wherein,
Bit0 represents left steering lamp state (such as 0b:Normally, 1b:Open)；
Bit1 represents right turn lamp state (such as 0b:Normally, 1b:Open)；
Bit2 represents double flashing light state (such as 0b:Normally, 1b:Open)
Bit3 represents high beam state (such as 0b:Normally, 1b:Open)；
Bit4~Bit7 represents throttle (such as 0x00:Normally, 0x01 (light)~0x0F (weight)s:Step on)；
And Data2 represent speed (vehicle speed range be 0~255), Data3 represent steering wheel angle (such as 0x00 [most left]~
0x80 [centre]~0xFF [most right])；
Data4 represents vehicle front radar state, wherein, Bit0~Bit1 represents front left radar (such as 00b:(do not show farthest
Show), 01b:(green), 10b farther out:Relatively near (yellow), 11b:(red), Bit2~Bit3 recently:Radar 00b in front left:Most
01b (is not shown) far:(green) 10b farther out:Relatively near (yellow) 11b:Recently (red)；Bit4~Bit5 represents front right radar
(such as 00b:(do not show) farthest, 01b:(green), 10b farther out:Relatively near (yellow), 11b:Recently (red)；Bit6~Bit7 tables
Show radar (such as 00b in front right:(do not show) farthest, 01b:(green), 10b farther out:Relatively near (yellow), 11b:Recently (red).
Data5 represent after radar state, wherein, Bit0~Bit1:Rear left radar (such as 00b:(do not show) farthest, 01b:
(green), 10b farther out:Relatively near (yellow), 11b:Recently (red)；Bit2~Bit3 represents radar (such as 00b in rear left:Farthest
(not showing) 01b:(green) 10b farther out:Relatively near (yellow) 11b:It is (red recently；Bit4~Bit5 represents rear right radar (such as
00b:(do not show) farthest, 01b:(green), 10b farther out:Relatively near (yellow), 11b:Recently (red))；Bit6~Bit7 is represented
Radar (such as 00b in rear right:(do not show) farthest, 01b:(green), 10b farther out:Relatively near (yellow), 11b:Recently (red)).
Data6 represents vehicle door status/P bonded states, wherein
Bit0 represents left front door (such as 0b:Closing, 1b:Open)；Bit1 represents right front door (such as 0b:Closing, 1b:Open)；
Bit2 represents left back door (such as 0b:Closing, 1b:Open)；Bit3 represents right-rear-door (such as 0b:Closing, 1b:Open)；Bit4 is represented
Trunk (such as 0b:Closing, 1b:Open)；Bit5 represents bonnet (such as 0b:Closing, 1b:Open)；Bit6 represents parking P key-like
State (such as 0b:OFF、1b:ON)；Bit7 represents reservation.
Data7 represents engine speed, rotating speed=X*64R/MIN.
S1022, the detection data that will be received are matched with instruction catalogue, judge the vehicle condition state of Current vehicle.
Further, S101 also includes
The time of Current vehicle is set according to preset set of time pattern；
It is optional to represent display control using Data0 during specific implementation, wherein, Bit7~Bit4 represents date format：
Bit3~Bit0 represents time standard (such as 0000b:24 hours systems, 0001b:Make within 12 hours)；Data1 represents that year, (scope was 0-
99, for example, being represented 2016 with 0x10)；Data2 represents the moon (scope is 0~12, and such as user 0x0A represents October)；Data3
Represent day (scope is 0~31, for example, represented 23 with 0x17)；(scope is 0~23 (24 system) or 1~12 when Data4 is represented
(12 system)；Data5 is represented point (scope is 0~59)；Data6 represents the second (scope is 0~59).
The version number of Current vehicle application program is obtained, whether the application program that Current vehicle is judged according to version number is most
Newly, it is not process, the model otherwise according to Current vehicle updates the application program of Current vehicle.
During specific implementation, the version information of application program optionally includes year, month, day.Wherein, year, may be configured as DATA2
(such as 0x10 is represented 2016)；Month, DATA3 can be set to (for example 0x0a represents October)；Day, DATA4 (such as 0x0a can be set to
Represent 10), also including version symbol and software version number, wherein version symbol is available as ' V ' upper case character is represented, can set
It is DATA5.
The application program for being set in the present invention at present includes following version：
V1.2：Increase the transmission and reading of version information on the basis of V1.1, increase Truck type choice, increase button letter
Breath.；
V1.3：Improve radar information, increase temporal information；
V1.4：Increase in the vehicle table of comparisons, crowd Thailand T600V1.5 in the vehicle table of comparisons, increases toggle switch.V1.6,
In the vehicle table of comparisons, increase JEEP freely chivalrous.
Further, the transmission cycle of vehicle body information is 1 time/100ms.
Further, the level of CAN serial ports or UART serial ports is 3.3V/5VTTL, and serial data frame format is 8N1 patterns, i.e.,
8 data bit, no parity, 1 stop position, and baud rate is fixed on 19200bps.
As shown in figure 3, being set present invention also offers a kind of vehicle-mounted data detection means based on serial communication, including program
Put module 10, receiver module 20, processing module 30.
Wherein,
Program setup module 10, for selecting vehicle model according to preset vehicle model list, and according to signals of vehicles
Obtain corresponding application program；
Receiver module 20, for receiving the radar detection data that OPS onboard systems are detected by CAN serial ports or UART serial ports
With vehicle condition data, wherein, vehicle condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
During specific implementation, radar detection data of the present invention is sent by the radar host computer on vehicle,
And radar host computer is connected with the radar probe installed in vehicle front and rear.
Processing module 30, judges for parsing and according to detection data and vehicle data the steering data of Current vehicle, will
Control instruction corresponding with data are turned to is exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, by
Output display vehicle-surroundings information after 360 degree of panorama DAS (Driver Assistant System) treatment, judges whether Current vehicle surrounding has barrier.
Specific implementation is that the car-mounted terminal is optionally set to OBD car-mounted terminals, gathers current by OBD car-mounted terminals
The information such as speed, gear, the oil mass supply of vehicle.Vehicle-mounted data detection means based on serial communication of the present invention passes through
CAN serial ports or UART serial ports receive the vehicle condition data of radar detection data and the transmission of OBD car-mounted terminals and are processed, finally
Result is sent to OBD car-mounted terminals, the supply of oil mass is controlled by OBD car-mounted terminals, it is ensured that driving safety.
Further, receiver module includes
Interface reading submodule, the command information table of the vehicle body information for reading Current vehicle, instruction catalogue includes key
Plug/unplug instruction, gear instruction, service brake instruction, steering indicating light instruction and throttle instruction；
Judging submodule, the detection data for that will receive is matched with instruction catalogue, judges the vehicle condition of Current vehicle
State.
Further, program setup module also includes
Set of time submodule, the time for setting Current vehicle according to preset set of time pattern.
Some one exemplary embodiments of the invention only are described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (9)
1. a kind of vehicle-mounted data detection method based on serial communication, it is characterised in that comprise the following steps：
Vehicle model is selected according to the preset vehicle table of comparisons, and corresponding application program is obtained according to signals of vehicles；
Radar detection data and vehicle condition data that OPS onboard systems are detected are received by CAN serial ports or UART serial ports, wherein, car
Condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
Parse and judge the steering data of Current vehicle according to detection data and vehicle data, will control corresponding with steering data
Instruction is exported to 360 degree of panorama DAS (Driver Assistant System)s by CAN serial ports or UART serial ports, by 360 degree of panorama DAS (Driver Assistant System)s
Output display vehicle-surroundings information after treatment, judges whether Current vehicle surrounding has barrier.
2. the vehicle-mounted data detection method based on serial communication according to claim 1, it is characterised in that described to pass through
CAN serial ports or UART serial ports are received radar detection data and are included by the vehicle condition data that car-mounted terminal is obtained
The command information table of the vehicle body information of Current vehicle is read, instruction catalogue includes key plug/unplug instruction, gear instruction, service brake
Instruction, steering indicating light instruction and throttle instruction；
The detection data that will be received is matched with instruction catalogue, judges the vehicle condition state of Current vehicle.
3. the vehicle-mounted data detection method based on serial communication according to claim 1, it is characterised in that the basis is pre-
The vehicle model list selection vehicle model put, and also included according to the corresponding application program of signals of vehicles acquisition
The time of Current vehicle is set according to preset set of time pattern.
4. the vehicle-mounted data detection method based on serial communication according to claim 1, it is characterised in that vehicle body information
The transmission cycle is 1 time/100ms.
5. the vehicle-mounted data detection method based on serial communication according to claim 1, it is characterised in that CAN serial ports or
The level of UART serial ports is 3.3V/5VTTL, and serial data frame format is the data bit of 8N1 patterns, i.e., 8, no parity, 1
Stop position, and baud rate is fixed on 19200bps.
6. the vehicle-mounted data detection method based on serial communication according to any one of claim 1-5, it is characterised in that
360 degree of panorama DAS (Driver Assistant System)s include front end radar probe, rear end radar probe, radar host computer, OPS processors, are arranged on
The camera of vehicle front and the camera installed in rear vehicle end, wherein, OPS processors are connected with camera, radar host computer.
7. a kind of vehicle-mounted data detection means based on serial communication, it is characterised in that including
Program setup module, for selecting vehicle model according to the preset vehicle table of comparisons, and obtains correspondence according to signals of vehicles
Application program；
Receiver module, for receiving radar detection data and vehicle condition that OPS onboard systems are detected by CAN serial ports or UART serial ports
Data, wherein, vehicle condition data include vehicle turn signal information, hang shelves information, parking data and throttle fuel delivery data；
Processing module, the steering for judging Current vehicle according to detection data and vehicle data refers to corresponding control
Order is exported to 360 degree of panorama DAS (Driver Assistant System)s of CAN by serial ports, output display vehicle week after DAS (Driver Assistant System) treatment
Whether side information, vehicle all around has the information such as barrier.
8. the vehicle-mounted data detection means based on serial communication according to claim 7, it is characterised in that receiver module bag
Include
Interface reading submodule, the command information table of the vehicle body information for reading Current vehicle, instruction catalogue includes key plug/unplug
Instruction, gear instruction, service brake instruction, steering indicating light instruction and throttle instruction；
Judging submodule, the detection data for that will receive is matched with instruction catalogue, judges the vehicle condition state of Current vehicle.
9. the vehicle-mounted data detection means based on serial communication according to claim 7, it is characterised in that program sets mould
Block also includes
Set of time submodule, the time for setting Current vehicle according to preset set of time pattern.
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Application publication date: 20170613 |