CN101159814A - Embedded equipment camera software dynamic recognizing method - Google Patents
Embedded equipment camera software dynamic recognizing method Download PDFInfo
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- CN101159814A CN101159814A CNA200710124567XA CN200710124567A CN101159814A CN 101159814 A CN101159814 A CN 101159814A CN A200710124567X A CNA200710124567X A CN A200710124567XA CN 200710124567 A CN200710124567 A CN 200710124567A CN 101159814 A CN101159814 A CN 101159814A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000013461 design Methods 0.000 claims description 8
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- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
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Abstract
The invention discloses a method for dynamically identifying embedded equipment camera software. The invention comprises that: a), a camera drive is initialized when the system is in start-up state; b), a camera sensor to be identified is selected and a corresponding sensor identification number is called to identify function and gain the identification number. The identification number obtained by the program is judged whether it is consistent with that of the selected sensor or not. If yes, then each driven function pointer of the identified camera sensor is valued in a corresponding field of the overall camera driven structure; otherwise, go back to Step b); c), the identified camera sensor initialization function is called. The embedded equipment camera software dynamic identification method of the invention enhances the research and development, manufacture and after-sales service efficiency of the embedded device with the camera, and lowers the product cost of each step.
Description
[technical field]
The present invention relates to embedded device, relate in particular to a kind of embedded equipment camera software dynamic recognizing method that is used to mobile phone, video camera etc. with camera function.
[background technology]
Camera need of work driver, and driver mainly is at camera sensor chip embedded in the camera.Sensor chip in external camera generally need be driven by different drivers not simultaneously.The embedded device of band camera function is in research and development, production; in the process of maintenance; because the needs of technology, cost; the equipment of same model often can be used different cameras; and the embedded transducer of these dissimilar cameras often also is different, and this just requires embedded devices such as mobile phone must upgrade whole plug-in.Like this, no matter after being research and development, manufacturing or pin, all very inconvenient; And if the program burning is on scratch pad memory not then can't upgrade, thereby can not upgrade camera.
[summary of the invention]
The invention provides a kind of embedded device with camera does not need newer driver more just can support the embedded equipment camera software dynamic recognizing method of different camera work.
In order to solve above technical problem, the invention provides, a kind of embedded equipment camera software dynamic recognizing method comprises step:
A), system's initialization webcam driver when start;
B), choose a kind of camera transducer that will discern, call corresponding sensor identification number recognition function and obtain identification number; Whether the identification number that determining program obtains is consistent with the camera sensor identification number of choosing, if then each driving function pointer assignment of the transducer that will discern is to the field of webcam driver structure correspondence of overall importance; Otherwise, return step b);
C), call the camera sensor initializing function of having discerned.
Above-described embedded equipment camera software dynamic recognizing method also comprised step before step a): f), define webcam driver data structure of overall importance during software design, call the interface of webcam driver function as the upper strata.
Above-described embedded equipment camera software dynamic recognizing method also comprised step before step f): e), the plug-in that generates embedded device is that driver with each camera of system's support couples together.
Above-described embedded equipment camera software dynamic recognizing method also comprised step before step e): d), during hardware designs with the Interface design of each camera of system's support and mainboard for being complementary.
Embedded equipment camera software dynamic recognizing method of the present invention, make the webcam driver program can dynamically discern camera transducer in the external camera, identification number according to the camera transducer, dynamic loading corresponding sensor driver, the correct camera working sensor that drives, thereby make the embedded device of same type not need refresh routine, support different cameras simultaneously.
Embedded equipment camera software dynamic recognizing method of the present invention has improved research and development, the manufacturing of the embedded device of band camera, and the efficient of after sales service has reduced the cost of product each link.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the flow chart of embedded equipment camera software dynamic recognizing method embodiment 1 of the present invention.
[embodiment]
Camera needs its embedded camera sensor chip to drive could to work, and the embedded camera sensor chip of dissimilar cameras is also difference often; The embedded device of band camera is in the process of research and development, production or maintenance, because the needs of technology, cost, the equipment of same model often need be changed different cameras.The present invention utilizes different camera transducers to have these characteristics of different product IDs, a kind of embedded equipment camera software dynamic recognizing method is provided, the camera transducer that the embedded device of feasible band camera causes because of the change camera does not need to upgrade the webcam driver program when changing, but the different camera transducer of Dynamic Recognition, call and load corresponding driver automatically by system scan, just can support different cameras simultaneously thereby make the embedded device of same type not need to upgrade the webcam driver program.
Embedded equipment camera software dynamic recognizing method of the present invention, the Interface design of the various cameras that embedded device need be supported when hardware designs is complementary for the interface with the embedded device mainboard; When generating the plug-in of embedded device, the driver of various types of camera transducers that embedded device is supported couples together; When software design, at first define a webcam driver data structure of overall importance, the main field of this structure is the driving function pointer, calls the interface of webcam driver program as the upper strata; When program is carried out the camera initialization, call different camera sensor identification number recognition functions successively, when the identification number that obtains when program is consistent with the identification number of expectation, illustrate that then this identification number is exactly the camera sensor identification number of external camera; Then with the pointer assignment of each driving function of the camera transducer of this identification number correspondence to webcam driver function pointer array of overall importance, call for upper procedure and to drive camera.
The course of work of embedded equipment camera software dynamic recognizing method of the present invention is: have the characteristics of different identification numbers according to different camera transducers, when the user changes the camera of embedded device, the webcam driver program can dynamically be discerned the camera transducer in the external camera, identification number according to the camera transducer, the camera sensor drive program of dynamic loading correspondence, the correct camera working sensor that drives, thereby make the embedded device of same type not need refresh routine, support different cameras simultaneously.
In embedded equipment camera software dynamic recognizing method of the present invention shown in Figure 1, comprise step:
101. during hardware designs with the Interface design of each camera of embedded device place system support and mainboard for being complementary;
102. the driver that generates the plug-in of embedded device and be each camera of system's support couples together;
103. define webcam driver data structure of overall importance during software design, call the interface of webcam driver function as the upper strata;
104. system begins the initialization webcam driver during start;
105. choose a kind of camera transducer that will discern;
106. call corresponding camera sensor identification number recognition function, obtain identification number;
107. whether the identification number that determining program obtains is consistent with the camera sensor identification number of choosing, if then execution in step 108; Otherwise, return step 105;
108. each driving function pointer assignment of the camera transducer that will discern is to the field of webcam driver structure correspondence of overall importance;
109. call the camera sensor initializing function of having discerned.
Present embodiment makes in the camera that embedded device is supported, arbitrarily change any camera wherein after, the webcam driver program that need not update the equipment, camera can be realized operate as normal.This provides convenience for research and development, manufacturing, after sales service, has improved efficient, has also reduced the cost of each link of product simultaneously.
Claims (4)
1. an embedded equipment camera software dynamic recognizing method is characterized in that, comprises step:
A), system begins the initialization webcam driver when start;
B), choose a kind of camera transducer that will discern, call corresponding sensor identification number recognition function and obtain identification number; Whether the identification number that determining program obtains is consistent with the sensor identification number of choosing, if each driving function pointer assignment of the camera transducer that then will discern is to the field of webcam driver structure correspondence of overall importance; Otherwise, return step b);
C), call the camera sensor initializing function of having discerned.
2. embedded equipment camera software dynamic recognizing method according to claim 1 is characterized in that, also comprises step before step a):
F), define webcam driver data structure of overall importance during software design, call the interface of webcam driver function as the upper strata.
3. embedded equipment camera software dynamic recognizing method according to claim 2 is characterized in that, also comprises step before step f):
E), the plug-in that generates embedded device is that driver with each camera of system's support couples together.
4. embedded equipment camera software dynamic recognizing method according to claim 3 is characterized in that, also comprises step before step e):
D), during hardware designs with the Interface design of each camera of system's support and mainboard for being complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA200710124567XA CN101159814A (en) | 2007-11-16 | 2007-11-16 | Embedded equipment camera software dynamic recognizing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200710124567XA CN101159814A (en) | 2007-11-16 | 2007-11-16 | Embedded equipment camera software dynamic recognizing method |
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| CN101159814A true CN101159814A (en) | 2008-04-09 |
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| CNA200710124567XA Pending CN101159814A (en) | 2007-11-16 | 2007-11-16 | Embedded equipment camera software dynamic recognizing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082904A (en) * | 2010-12-29 | 2011-06-01 | 上海华勤通讯技术有限公司 | Method for driving mobile phone camera |
| 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 |
| CN102724391A (en) * | 2011-03-28 | 2012-10-10 | 和硕联合科技股份有限公司 | Image acquisition system and driving method of camera module |
| CN103077040A (en) * | 2011-10-26 | 2013-05-01 | 康佳集团股份有限公司 | Automatic LCD (light crystal display) module identification method and automatic LCD module identification system |
| CN103747167A (en) * | 2013-12-26 | 2014-04-23 | 惠州华阳通用电子有限公司 | System and method for automatically matching vehicle camera with processing unit |
| CN103905611A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Image acquisition unit compatible matching method and electronic device |
| WO2015117441A1 (en) * | 2014-08-19 | 2015-08-13 | 中兴通讯股份有限公司 | Mobile terminal, and automatic external lens recognition method, device, and storage medium |
| CN105472249A (en) * | 2015-12-24 | 2016-04-06 | 惠州Tcl移动通信有限公司 | Compatible control method and device for camera |
| CN109874010A (en) * | 2019-02-26 | 2019-06-11 | 成都国科微电子有限公司 | A kind of automatic testing method and system of camera module |
| CN114025157A (en) * | 2022-01-05 | 2022-02-08 | 广州朗国电子科技股份有限公司 | Identification method and system of all-in-one machine camera and all-in-one machine |
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2007
- 2007-11-16 CN CNA200710124567XA patent/CN101159814A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082904A (en) * | 2010-12-29 | 2011-06-01 | 上海华勤通讯技术有限公司 | Method for driving mobile phone camera |
| CN102082904B (en) * | 2010-12-29 | 2012-09-19 | 上海华勤通讯技术有限公司 | Method for driving mobile phone camera |
| 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 |
| CN102724391A (en) * | 2011-03-28 | 2012-10-10 | 和硕联合科技股份有限公司 | Image acquisition system and driving method of camera module |
| CN102724391B (en) * | 2011-03-28 | 2014-12-03 | 和硕联合科技股份有限公司 | Image acquisition system and driving method of camera module |
| CN103077040A (en) * | 2011-10-26 | 2013-05-01 | 康佳集团股份有限公司 | Automatic LCD (light crystal display) module identification method and automatic LCD module identification system |
| CN103905611A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Image acquisition unit compatible matching method and electronic device |
| CN103747167A (en) * | 2013-12-26 | 2014-04-23 | 惠州华阳通用电子有限公司 | System and method for automatically matching vehicle camera with processing unit |
| CN103747167B (en) * | 2013-12-26 | 2018-03-09 | 惠州华阳通用电子有限公司 | A kind of Cam for automobile and processing unit automatic patching system and method |
| WO2015117441A1 (en) * | 2014-08-19 | 2015-08-13 | 中兴通讯股份有限公司 | Mobile terminal, and automatic external lens recognition method, device, and storage medium |
| CN105357360A (en) * | 2014-08-19 | 2016-02-24 | 中兴通讯股份有限公司 | Mobile terminal, and method and device for automatically identifying external camera of mobile terminal |
| CN105472249A (en) * | 2015-12-24 | 2016-04-06 | 惠州Tcl移动通信有限公司 | Compatible control method and device for camera |
| CN109874010A (en) * | 2019-02-26 | 2019-06-11 | 成都国科微电子有限公司 | A kind of automatic testing method and system of camera module |
| CN114025157A (en) * | 2022-01-05 | 2022-02-08 | 广州朗国电子科技股份有限公司 | Identification method and system of all-in-one machine camera and all-in-one machine |
| CN114025157B (en) * | 2022-01-05 | 2022-07-05 | 广州朗国电子科技股份有限公司 | Identification method and system of all-in-one machine camera and all-in-one machine |
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