CN103747167B - A kind of Cam for automobile and processing unit automatic patching system and method - Google Patents
A kind of Cam for automobile and processing unit automatic patching system and method Download PDFInfo
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- CN103747167B CN103747167B CN201310737372.8A CN201310737372A CN103747167B CN 103747167 B CN103747167 B CN 103747167B CN 201310737372 A CN201310737372 A CN 201310737372A CN 103747167 B CN103747167 B CN 103747167B
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Abstract
The present invention provides a kind of Cam for automobile and processing unit automatic patching system and method, power line, power ground, video signal cable and video ground wire is connected between camera and processing unit, its key is：Microprocessor, the model of the microprocessor storage camera, parameter information are provided with camera；Using the video ground wire as the mongline two-way communication circuit between camera and processing unit, the microprocessor set in the camera provides mongline two-way communication interface；Power ground and the video ground wire is merged into same root line.The present invention stores model, the parameter information of camera in the microprocessor by setting microprocessor in Cam for automobile, and sets the two-way communication and storage of mongline two-way communication circuit progress camera and processing unit, realizes the Auto-matching of both sides.
Description
Technical field
The present invention relates to video acquisition unit and signaling control unit wired connection and control technology field, and in particular to one
Kind Cam for automobile and processing unit automatic patching system and method.
Background technology
At present, camera and processing unit pass through four power line, power ground, video signal cable, video ground wire line phases
Connection, does not have two-way data communication circuit between camera and processing unit.
The method that traditional camera and processing unit use when matching is artificial on each camera to stick one
Unique numbering, while the information such as numbering and corresponding camera model, the parameter of each camera are established in processing unit
The table of comparisons.When needing to use, the numbering on artificial input camera makes processing unit and corresponding shooting to processing unit
Head completes the process of matching.Such a method needs repeatedly the artificial reliability for participating in, reducing system, and flow in flow
It is more complicated, it is not easy to operate.
The content of the invention
The present invention provides the system and method for a kind of Cam for automobile and processing unit Auto-matching, solves automobile-used shooting
The technical problem of head and processing unit Auto-matching.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is：
One aspect of the present invention provides a kind of Cam for automobile and processing unit automatic patching system, camera and processing unit
Between be connected with power line, power ground, video signal cable and video ground wire, its key is：
Microprocessor, the model of the microprocessor storage camera, parameter information are provided with camera；
Using the video ground wire as the mongline two-way communication circuit between camera and processing unit, in the camera
The microprocessor of setting provides mongline two-way communication interface；
Power ground and the video ground wire is merged into same root line.
Further, the processing unit looks around display system controller to be vehicle-mounted.
Another aspect of the present invention provides a kind of Cam for automobile and processing unit automatic matching method, including：
The model of the microprocessor storage camera set in camera, parameter information；
Match information corresponding with the model of camera, parameter information is set in processing unit；
Model that processing unit is stored by mongline two-way communication circuit to the microprocessor of the camera, parameter information
Carry out read/write operation；
The microprocessor of camera obtains the match information set in processing unit by mongline two-way communication circuit.
The present invention stores model, the ginseng of camera in the microprocessor by setting microprocessor in Cam for automobile
Number information, and set mongline two-way communication circuit to carry out the two-way communication and storage of camera and processing unit, realize both sides'
Auto-matching.
Brief description of the drawings
Fig. 1 is the structural representation of the matching system of existing camera and processing unit；
Fig. 2 is structural representation of the Cam for automobile with processing unit automatic patching system of the present invention；
Fig. 3 is the signal for the data link layer protocol that processing unit in the present invention and Cam for automobile use in communication
Figure；
Fig. 4 is the Cam for automobile and the schematic flow sheet of the method for processing unit Auto-matching of the present invention.
Embodiment
Specifically illustrate embodiments of the present invention below in conjunction with the accompanying drawings, accompanying drawing is only for reference and explanation uses, and does not form pair
The limitation of scope of patent protection of the present invention.
The present embodiment is related to advanced drive assist system（Advanced Driver Assitance Systems, ADAS）.
As shown in figure 1, in the system that existing camera matches with processing unit, power supply is connected between camera and processing unit
Line, power ground, video signal cable and video ground wire.As shown in Fig. 2 embodiments of the invention provide a kind of Cam for automobile with
Processing unit automatic patching system, its key are：
Micro-processor MCV, the model of the Micro-processor MCV storage camera, parameter information are provided with camera；
In the present embodiment, the model HT68F03C of the Micro-processor MCV.
It is described to take the photograph using the existing video ground wire as the mongline two-way communication circuit between camera and processing unit
As the microprocessor set in head provides mongline two-way communication interface；
On the premise of not increasing camera wire harness and having determined that interface form, the power ground and video ground wire are closed
And it is same root line.
In an embodiment of the present invention, by the system of above-mentioned camera and processing unit Auto-matching, can set up
The physical layer of mongline two-way communication before camera and processing unit.Multiple cameras can be set and the processing unit is two-way
Communication, so as to realize Auto-matching.
In an embodiment of the present invention, Fig. 3 shows the data link layer that processing unit and camera use in communication
Agreement.In the data link layer protocol shown in Fig. 3：
The default conditions of processing unit end I/O ports are output；
The default conditions of camera I/O ports are input；
The default conditions of communication line are high level, represent that communication line is idle.When there is low level, expression will open
Beginning is communicated；
1 Byte data communication process is as follows：
Start bit：The signal of one logic " 0 ", represents the beginning of transmission character, continues the 0.1ms times；
Data bit：1 Byte bit0~bit7 data, bit0 is before most, and bite7 is in last, the lasting 0.1ms per bits
Time；
Check bit：Making data bit (bit0~bit7) logic " 1 " signal number adds the logical value of check bit, be " 1 "
The total number of signal be even number, continue the 0.1ms times；
Stop position：The flag bit of this Byte the data transfer ends, it is always " 1 ", continue the 0.1ms times；
Spare bits：It is always " 1 ", represent to transmit on no online data road.
The data link layer protocol that above-mentioned processing unit and camera use in communication is that one of which uses example,
The protection content of this patent includes other similar embodiments and extension mode.
In an embodiment of the present invention, the processing unit looks around display system controller to be vehicle-mounted.The camera with
After processing unit Auto-matching, display system is looked around applied to vehicle-mounted.
As shown in figure 4, another aspect of the present invention provides a kind of Cam for automobile and processing unit automatic matching method, bag
Include：The model of the microprocessor storage camera set in camera, parameter information；
Match information corresponding with the model of camera, parameter information is set in processing unit；
Model that processing unit is stored by mongline two-way communication circuit to the microprocessor of the camera, parameter information
Carry out read/write operation；
The microprocessor of camera obtains the match information set in processing unit by mongline two-way communication circuit.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to the rights protection model of the present invention is limited with this
Enclose, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (3)
1. a kind of Cam for automobile and processing unit automatic patching system, be connected between camera and processing unit power line,
Power ground, video signal cable and video ground wire, it is characterised in that：
Microprocessor, the model of the microprocessor storage camera, parameter information are provided with camera；
Using the video ground wire as the mongline two-way communication circuit between camera and processing unit, set in the camera
Microprocessor provide mongline two-way communication interface；
Power ground and the video ground wire is merged into same root line, and the line serves not only as ground wire, is additionally operable to realize camera
Mongline two-way communication between processing unit.
2. Cam for automobile according to claim 1 and processing unit automatic patching system, it is characterised in that：The processing
Unit looks around display system controller to be vehicle-mounted.
3. a kind of Cam for automobile and processing unit automatic matching method, it is characterised in that including：
The model of the microprocessor storage camera set in camera, parameter information；
Match information corresponding with the model of camera, parameter information is set in processing unit；
Processing unit passes through the same root line that is merged by the power ground between camera and processing unit with video ground wire
The model of microprocessor storage of the mongline two-way communication circuit of formation to the camera, parameter information carry out read/write operation；
The microprocessor of camera obtains the match information set in processing unit by the mongline two-way communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737372.8A CN103747167B (en) | 2013-12-26 | 2013-12-26 | A kind of Cam for automobile and processing unit automatic patching system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737372.8A CN103747167B (en) | 2013-12-26 | 2013-12-26 | A kind of Cam for automobile and processing unit automatic patching system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103747167A CN103747167A (en) | 2014-04-23 |
| CN103747167B true CN103747167B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310737372.8A Expired - Fee Related CN103747167B (en) | 2013-12-26 | 2013-12-26 | A kind of Cam for automobile and processing unit automatic patching system and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104038755B (en) * | 2014-04-30 | 2016-09-21 | 惠州华阳通用电子有限公司 | Camera distortion central point test device and recognition methods |
| CN114205530B (en) * | 2021-12-23 | 2024-05-03 | 深圳金语科技有限公司 | Self-adaptive control method and system for vehicle-mounted camera module |
Citations (4)
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| CN1645957A (en) * | 2005-01-12 | 2005-07-27 | 宁波大学 | Modular mobile phone and module automatic identifying method |
| CN101159814A (en) * | 2007-11-16 | 2008-04-09 | 康佳集团股份有限公司 | Embedded equipment camera software dynamic recognizing method |
| CN101739843A (en) * | 2009-12-04 | 2010-06-16 | 河海大学常州校区 | Device and method for real-time three-dimensionally sensing safe driving of vehicle having mixed multi-visual information |
| CN102164245A (en) * | 2011-02-23 | 2011-08-24 | 惠州Tcl移动通信有限公司 | Mobile-phone-based camera module adaptation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100515098C (en) * | 2006-12-25 | 2009-07-15 | 华为技术有限公司 | Detection system of camera head and its method |
| CN101599239A (en) * | 2009-05-27 | 2009-12-09 | 幸琳 | A kind of LED display device and LED display casing |
| CN102298144A (en) * | 2010-06-25 | 2011-12-28 | 哈尔滨工业大学 | ARM (Advanced RISC Machines)-Linux system-based reversing radar |
-
2013
- 2013-12-26 CN CN201310737372.8A patent/CN103747167B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1645957A (en) * | 2005-01-12 | 2005-07-27 | 宁波大学 | Modular mobile phone and module automatic identifying method |
| CN101159814A (en) * | 2007-11-16 | 2008-04-09 | 康佳集团股份有限公司 | Embedded equipment camera software dynamic recognizing method |
| CN101739843A (en) * | 2009-12-04 | 2010-06-16 | 河海大学常州校区 | Device and method for real-time three-dimensionally sensing safe driving of vehicle having mixed multi-visual information |
| CN102164245A (en) * | 2011-02-23 | 2011-08-24 | 惠州Tcl移动通信有限公司 | Mobile-phone-based camera module adaptation method |
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| CN103747167A (en) | 2014-04-23 |
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Granted publication date: 20180309 Termination date: 20191226 |