CN104954657A - Control system and control method for automotive camera image cross centre - Google Patents
Control system and control method for automotive camera image cross centre Download PDFInfo
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- CN104954657A CN104954657A CN201410111744.0A CN201410111744A CN104954657A CN 104954657 A CN104954657 A CN 104954657A CN 201410111744 A CN201410111744 A CN 201410111744A CN 104954657 A CN104954657 A CN 104954657A
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- cam
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- cross searching
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Abstract
The invention discloses a control system for an automotive camera image cross centre. The control system comprises a control computer, a development board, an automotive camera, a camera location jig and a DVD display, wherein the control computer supplies power to the development board through a USB interface; two signal wires and a ground wire are connected between the development board and the automotive cameral; a PCB is arranged in the automotive camera; the camera location jig is used for adjusting the PCB in the automotive camera and then adjusting the position of the automotive camera image cross centre; the DVD display is used for displaying the changes of the position of the automotive camera image cross centre; the development board transmits the changes to the automotive camera and the camera location jig through the two signal wires, thus controlling an adjustment for the position of the automotive camera image cross centre. A control method of the control system for the automotive camera image cross centre is also disclosed.
Description
Technical field
The present invention relates to a kind of vehicle control syetem and control method thereof, particularly relate to a kind of Cam for automobile image cross searching control system and control method thereof.
Background technology
Adjustment Cam for automobile image cross searching common is at present the structural adjustment method relying on artificial adjustment PCB position, concrete defect following points: during (1) artificial adjustment cross, picture application condition is large; (2) mobile pcb board adjust comparatively work consuming time; (3), when manually adjusting, reserve certain space when PCB and body need be assembled and carry out moving image cross; (4) utilize during artificial adjustment and have the risk damaging circuit board assemblies.
In view of above-mentioned defect, be necessary the Cam for automobile image cross searching control system and the control method thereof that design a kind of improvement in fact.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of Cam for automobile image cross searching control system, and its adjustment Cam for automobile image cross searching accuracy is high, expends man-hour short.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of Cam for automobile image cross searching control system, it comprises control computer, development board, Cam for automobile, camera localization tool and DVD display, described control computer is powered to development board by USB interface, two holding wires and a ground wire is connected with between described development board and Cam for automobile, pcb board is provided with in described Cam for automobile, described camera localization tool is for adjusting pcb board in Cam for automobile and then adjustment Cam for automobile image cross searching position, described DVD display is for showing the change in location of Cam for automobile cross searching, described development board transfers to Cam for automobile and camera localization tool by two holding wires, thus control the position adjustment of Cam for automobile image cross searching.
Have employed technique scheme, beneficial effect of the present invention is: the setting of development board, and software adjustment can be adopted to replace original artificial adjustment, then whole Cam for automobile image cross searching accuracy can improve, and expending man-hour can shorten.
Another technical problem to be solved by this invention is the control method providing a kind of Cam for automobile image cross searching control system, and it comprises the steps:
(1) initialization data;
(2) whether key detection unit detecting all directions button is pressed, if do not detect, direction key is pressed, and continues to detect, if detect, direction key button is pressed, open adjustment enable, and detect input key and whether press, if input key is not pressed, continue to detect, if detect, input key is pressed, and verifies input value, then input value is fed back to camera localization tool in order to control the position adjustment of Cam for automobile image cross searching.
Accompanying drawing explanation
Fig. 1 is the connection diagram of Cam for automobile image cross searching control system of the present invention.
Fig. 2 is the control flow chart of the image of Cam for automobile shown in Fig. 1 cross searching control system.
Main element symbol description in figure:
Control computer 1 control system 100
Development board 2 Cam for automobile 3
Camera localization tool 4 DVD display 5
Data line 61 Clk line 62
Ground wire 63 DSP line 7
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Be illustrated in figure 1 a kind of Cam for automobile image cross searching control system 100 according to the invention, it comprises control computer 1, development board 2, Cam for automobile 3, camera localization tool 4 and DVD display 5.DSP line 7 is connected with as between head localization tool 4 and DVD display 5.
Control computer 1 to be powered to development board 2 by USB interface.Be connected with two holding wires and a ground wire 63 between described development board 2 and Cam for automobile 3, described two holding wires comprise a Data line 61 and a Clk line 62.Be provided with pcb board (not shown) in described Cam for automobile 3, described camera localization tool 4 is for adjusting pcb board in Cam for automobile 3 and then adjustment Cam for automobile image cross searching position.Described DVD display 5 is for showing the change in location of Cam for automobile cross searching.
Development board 2 transfers to Cam for automobile 3 and camera localization tool 4 by two holding wires, thus controls the position adjustment of Cam for automobile image cross searching.
Development board 2 is provided with the upper interface, lower interface, left interface and the right interface that control Cam for automobile image cross searching and offset respectively along direction, upper and lower, left and right.Development board 2 is adjusted Cam for automobile image cross searching by IIC or SPI communication mode.
Be illustrated in figure 2 a kind of control method of Cam for automobile image cross searching control system, it comprises the steps:
(1) initialization data;
(2) whether key detection unit detecting all directions button is pressed, if do not detect, direction key is pressed, and continues to detect, if detect, direction key button is pressed, open adjustment enable, and detect input key and whether press, if input key is not pressed, continue to detect, if detect, input key is pressed, and verifies input value, then input value is fed back to camera localization tool in order to control the position adjustment of Cam for automobile image cross searching.
Described direction key comprises button, lower button, left button and right button.Described key detection unit detects button and presses, and adjustment camera image cross searching moves up.Described key detection unit detects lower button and presses, and adjustment camera image cross searching moves down.Described key detection unit detects left button and presses, and adjustment camera image cross searching is moved to the left.Described key detection unit detects right button and presses, and adjustment camera image cross searching moves right.
IIC or SPI two holding wires 51,51 and ground wire 53 correspondence of development board 2 is connected to the IIC interface of Cam for automobile (image sensor).Powered on by the said equipment after connecting circuit, developing 2 plates need be powered by USB port, Cam for automobile 3 normal power supply, and on adjustment development board 2, corresponding up/down/left/right interface adjusts according to image shift situation now.Data sends successfully and disconnects IIC and Cam for automobile 3 in order to avoid development board 2 can interfere with the normal use of Cam for automobile 3.After adjusting complete getting well, then by whole device powers down.
Be below software operation step in the control method of Cam for automobile image cross searching control system:
1. IIC or the SPI interface of development board 2 is carried out the initialization of initialization and more inner parameters, i.e. the init part of IIC or SPI.
2. BIN shelves transfer HEX shelves to and divide following two steps:
I. above is added in instrument by bin shelves, and then generates storing path
Ii. bin shelves are converted to hex shelves
Namely HEX shelves are the data can write in ECU code is discernible data.
3. when Cam for automobile is issued orders to Cam for automobile adjustment cross position, need the positional value of data X(horizontal direction) between [dataX1dataX2] or data Y (positional value of vertical direction) adjust effectively between [dataY1dataY2], { Write ID is sent by IIC, Address0, Address1, data X} or { Write ID, Address2, Address3, data Y} writes data command.
4. often triggering a subcommand can make data X or data Y value be increased or reduce, thus changes the cross coordinate of now image.
5. need open moving coordinate when cross coordinate moves enable, and then can see that cross coordinate obtains correct locality.
6. Checksum value verification
7. by newly-generated data X after adjusting, data Y and checksum_H8, checksum_L8 value replaces original value in HEX File.
8. send and can be divided into two kinds of methods
I. adjustment terminate after by the archives HEX shelves of generation packing send to image sensor by IIC, these bag data are divided into n bag data to send, often bag data transmitting time need between at regular intervals, otherwise there will be error in data warning.
Ii. the parameter value after amendment well is directly sent to plug-in internal memory by the SPI of development board, the way that utilization value is filled, do not need programming complete package data, only need replace amended parameter value, the time of imprinting can be shortened like this.
9. the final BIN shelves generated can be stored in the plug-in internal memory of transducer.
Compared with prior art, due to the setting of development board, beneficial effect is as follows: 1). and the cross after adjusting is accurate; 2). the general 20s consuming time of whole adjustment process, substantially reduces the regulation time of about 4 times; 3). the size of module can be reduced; 4). the integrality of protective circuit, avoid component damage.
The present invention is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection scope of the present invention.
Claims (9)
1. a Cam for automobile image cross searching control system, it comprises control computer, development board, Cam for automobile, camera localization tool and DVD display, described control computer is powered to development board by USB interface, two holding wires and a ground wire is connected with between described development board and Cam for automobile, pcb board is provided with in described Cam for automobile, described camera localization tool is for adjusting pcb board in Cam for automobile and then adjustment Cam for automobile image cross searching position, described DVD display is for showing the change in location of Cam for automobile cross searching, it is characterized in that: described development board transfers to Cam for automobile and camera localization tool by two holding wires, thus control the position adjustment of Cam for automobile image cross searching.
2. Cam for automobile as claimed in claim 1, is characterized in that: described development board is provided with the upper interface, lower interface, left interface and the right interface that control Cam for automobile image cross searching and offset respectively along direction, upper and lower, left and right.
3. Cam for automobile as claimed in claim 2, is characterized in that: described development board is adjusted Cam for automobile image cross searching by IIC or SPI communication mode.
4. a control method for Cam for automobile image cross searching control system, it comprises the steps:
(1) initialization data;
(2) whether key detection unit detecting all directions button is pressed, if do not detect, direction key is pressed, and continues to detect, if detect, direction key button is pressed, open adjustment enable, and detect input key and whether press, if input key is not pressed, continue to detect, if detect, input key is pressed, and verifies input value, then input value is fed back to camera localization tool in order to control the position adjustment of Cam for automobile image cross searching.
5. the control method of Cam for automobile image cross searching control system as claimed in claim 4, is characterized in that: described direction key comprises button, lower button, left button and right button.
6. the control method of Cam for automobile image cross searching control system as claimed in claim 5, is characterized in that: described key detection unit detects button and presses, and adjustment camera image cross searching moves up.
7. the control method of Cam for automobile image cross searching control system as claimed in claim 6, is characterized in that: described key detection unit detects lower button and presses, and adjustment camera image cross searching moves down.
8. the control method of Cam for automobile image cross searching control system as claimed in claim 7, is characterized in that: described key detection unit detects left button and presses, and adjustment camera image cross searching is moved to the left.
9. the control method of Cam for automobile image cross searching control system as claimed in claim 8, is characterized in that: described key detection unit detects right button and presses, and adjustment camera image cross searching moves right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111744.0A CN104954657A (en) | 2014-03-24 | 2014-03-24 | Control system and control method for automotive camera image cross centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111744.0A CN104954657A (en) | 2014-03-24 | 2014-03-24 | Control system and control method for automotive camera image cross centre |
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| CN104954657A true CN104954657A (en) | 2015-09-30 |
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| CN201757830U (en) * | 2010-07-14 | 2011-03-09 | 张承权 | Camera detecting device capable of rapidly aligning to central position |
| US20110280565A1 (en) * | 2010-05-14 | 2011-11-17 | Chapman Leonard T | Dual loop camera stabilization systems and methods |
| CN202720184U (en) * | 2012-07-03 | 2013-02-06 | 苏州市昶锦光电有限公司 | Liquid crystal screen crack detection device |
| KR101292254B1 (en) * | 2012-05-31 | 2013-08-01 | 주식회사 아하정보통신 | Camera module for optical touch screen having sensor plate without connecting jig |
| CN103358995A (en) * | 2013-07-17 | 2013-10-23 | 胡扬智 | Back-up camera distance-measuring debugging system, debugging method and back-up camera distance-measuring device |
| CN203466875U (en) * | 2013-07-12 | 2014-03-05 | 辽宁泰蒙通讯技术有限公司 | Automatic camera test device for mobile phone production line |
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2014
- 2014-03-24 CN CN201410111744.0A patent/CN104954657A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110280565A1 (en) * | 2010-05-14 | 2011-11-17 | Chapman Leonard T | Dual loop camera stabilization systems and methods |
| CN201757830U (en) * | 2010-07-14 | 2011-03-09 | 张承权 | Camera detecting device capable of rapidly aligning to central position |
| KR101292254B1 (en) * | 2012-05-31 | 2013-08-01 | 주식회사 아하정보통신 | Camera module for optical touch screen having sensor plate without connecting jig |
| CN202720184U (en) * | 2012-07-03 | 2013-02-06 | 苏州市昶锦光电有限公司 | Liquid crystal screen crack detection device |
| CN203466875U (en) * | 2013-07-12 | 2014-03-05 | 辽宁泰蒙通讯技术有限公司 | Automatic camera test device for mobile phone production line |
| CN103358995A (en) * | 2013-07-17 | 2013-10-23 | 胡扬智 | Back-up camera distance-measuring debugging system, debugging method and back-up camera distance-measuring device |
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Application publication date: 20150930 |