CN103916498B - Serial port camera and parallel port camera compatible method - Google Patents
Serial port camera and parallel port camera compatible method Download PDFInfo
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- CN103916498B CN103916498B CN201410120724.XA CN201410120724A CN103916498B CN 103916498 B CN103916498 B CN 103916498B CN 201410120724 A CN201410120724 A CN 201410120724A CN 103916498 B CN103916498 B CN 103916498B
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Abstract
The invention discloses a serial port camera and parallel port camera compatible method which includes the step of match of hardware and software. The method includes the steps that S1, the hardware is started, and the software is powered on and resets; S2, the number of compatible cameras is confirmed, and all drives of the cameras are added into codes correctly; S3, the ID of an image sensor is read through an I2C bus, and reading continues if the read ID is different from an ID provided by a manufacturer in the codes until the read ID is the same as the ID provided by the manufacturer; S4, whether ports are serial ports or parallel ports is judged according to the read ID, port configuration is carried out on corresponding data transmission positions, the serial ports are configured to have corresponding serial port functions, and the parallel ports are configured to have corresponding parallel port functions; S5, registers of the cameras are initialized and previewed. The method has the advantages that through match of the hardware and the software, various cameras can be compatible at the same time on the same PCB, different requirements of customers are met, and cost is saved to the largest extent.
Description
Technical field
The present invention relates to a kind of compatibility of mobile phone camera, particularly serial ports camera and parallel port camera compatibility method.
Background technology
With the development of mobile phone, mobile phone camera script is intended only as its auxiliary function, for carrying out static map
Piece or short-movie shoot.But be as the continuous progress of science and technology, the development of camera technology, the camera of middle and high end mobile phone by
Gradually instead of card camera, the multimedia technology enriched constantly, make third-party application be had preferably recreational and expression power.
Camera just progressively occupies very important status in mobile phone, and each cell phone apparatus manufactures the commercial city more energy of input and exists
This.
Mobile-phone manufacturers present at present expect, on same pcb board, to make two or even many moneys mobile phone, because this
Sample can save an appreciable cost.But this is a test for the design of hardware, even more software is made that
Higher requirement.
Content of the invention
The invention aims to solving above-mentioned the deficiencies in the prior art and providing one kind real on a pcb board
Compatible while existing multiple camera, thus cost-effective serial ports camera and parallel port camera compatibility method.
To achieve these goals, the serial ports camera designed by the present invention and parallel port camera compatibility method, including adopting
Hardware includes serial ports camera, parallel port camera, imageing sensor, serial ports end with the software coordinating, wherein said hardware
Mouthful and parallel port port, the idiographic flow of methods described is：
S1. hardware start, software electrification reset；
S2. confirm to treat the camera quantity of compatibility, and drive it and be all correctly added in code；
S3. imageing sensor ID is read by I2C bus, if the ID reading is different from the ID that supplier in code provides,
Then still execute S3；If it is identical with the ID that supplier in code provides to read ID, execute S4；
S4. judge it is serial port or parallel port port according to the ID reading, corresponding data transfer position is carried out respectively
Port configures, and serial port is configured to corresponding serial port function, and parallel port port is configured to corresponding parallel port function；
S5. camera carries out the initialization of register, and then preview.
In the idiographic flow of methods described, all provide with supplier in code when duplicating reading ID in S3 step
ID different when, then need to check and read and code input.
Above-mentioned serial ports camera adopts 1 wire serial bus transmission data, and above-mentioned parallel port camera adopts 8 parallel-by-bit buses to pass
Transmission of data.
This compatibility method requires 2 points of needs to note：First, the data ray mode being connected on CPU by I2C bus can
To switch to serial port or parallel port port, hardware is unable to wrong；Second, software also may be used according to the selection of imageing sensor ID
To switch to serial port or parallel port port.Accomplish for 2 points could be compatible simultaneously, indispensable.
Serial ports camera and parallel port camera compatibility method that the present invention obtains, it has the technical effect that by software and hardware
Cooperation, can realize while multiple camera compatible on a pcb board, meet the different demand of client's height, maximum
Degree cost-effective.
Brief description
Fig. 1 is the serial ports camera of embodiment 1 and the flow chart of parallel port camera compatibility method；
Fig. 2 is the serial ports camera of embodiment 1 and the block diagram of parallel port camera；
Fig. 3 is the schematic diagram of 19 pin of the serial ports camera of embodiment 1 and parallel port camera；
Fig. 4 is the schematic diagram of 24 pin of the serial ports camera of embodiment 2 and parallel port camera.
In figure：Serial ports camera 1, parallel port camera 2, imageing sensor 3, serial port 4 and parallel port port 5.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figure 1 and Figure 2, the present embodiment provides serial ports camera and parallel port camera compatibility method, including adopt
Hardware includes serial ports camera 1, parallel port camera 2, imageing sensor 3, serial port with the software coordinating, wherein said hardware
4 and parallel port port 5, the idiographic flow of methods described is：
S1. hardware start, software electrification reset；
S2. confirm to treat the camera quantity of compatibility, and drive it and be all correctly added in code；
S3. imageing sensor 3ID is read by I2C bus, if the ID reading is different from the ID that supplier in code provides,
Then still execute S3；If it is identical with the ID that supplier in code provides to read ID, execute S4；
S4. judge it is serial port 4 or parallel port port 5 according to the ID reading, corresponding data transfer position is entered respectively
Row port configures, and serial port 4 is configured to corresponding serial port function, and parallel port port 5 is configured to corresponding parallel port function；
S5. camera carries out the initialization of register, and then preview.
In the idiographic flow of methods described, all provide with supplier in code when duplicating reading ID in S3 step
ID different when, then need to check and read and code input, or being exactly driving not face here, or being exactly imageing sensor 3
ID this side reads problematic.
Above-mentioned serial ports camera 1 adopts 1 wire serial bus transmission data, and above-mentioned parallel port camera 2 adopts 8 parallel-by-bit buses
Transmission data.
During specifically used, as shown in figure 3, serial ports camera 1 adopts 1 wire serial bus transmission data, parallel port is taken the photograph
Picture 2 adopts 8 parallel-by-bit bus transfer datas, and stitch quantity is 19 pin.
Embodiment 2：
As shown in Fig. 4, embodiment 2 compared with Example 1, is identical, except for the difference that in the flow process of holistic approach
This embodiment uses 24 stitch in the design of hardware, to meet the different needs of client.
Claims (3)
1. a kind of serial ports camera and parallel port camera compatibility method, including the software of the hardware adopting and cooperation, wherein said
Hardware includes serial ports camera（1）, parallel port camera（2）, imageing sensor（3）, serial port（4）With parallel port port（5）, its
The idiographic flow being characterised by methods described is：
S1. hardware start, software electrification reset；
S2. confirm to treat the camera quantity of compatibility, and drive it and be all correctly added in code；
S3. imageing sensor is read by I2C bus（3）ID, if the ID reading is different from the ID that supplier in code provides,
Still execute S3；If it is identical with the ID that supplier in code provides to read ID, execute S4；
S4. judge it is serial port according to the ID reading（4）Or parallel port port（5）, corresponding data transfer position is entered respectively
Row port configures, serial port（4）It is configured to corresponding serial port function, parallel port port（5）It is configured to corresponding parallel port function；
S5. camera carries out the initialization of register, and then preview；
Wherein, software is according to imageing sensor（3）The selection of ID can also switch to serial port（4）Or parallel port port
（5）.
2. the serial ports camera according to claim 1 and parallel port camera compatibility method it is characterised in that：In described side
In the idiographic flow of method, when duplicate in S3 step read ID all from code supplier provide ID different when, then
Reading and code input need to be checked.
3. the serial ports camera according to claim 1 or 2 and parallel port camera compatibility method it is characterised in that：Above-mentioned
Serial ports camera（1）Using 1 wire serial bus transmission data, above-mentioned parallel port camera（2）Using 8 parallel-by-bit bus transfer numbers
According to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410120724.XA CN103916498B (en) | 2014-03-28 | 2014-03-28 | Serial port camera and parallel port camera compatible method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410120724.XA CN103916498B (en) | 2014-03-28 | 2014-03-28 | Serial port camera and parallel port camera compatible method |
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| CN103916498A CN103916498A (en) | 2014-07-09 |
| CN103916498B true CN103916498B (en) | 2017-02-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824658B (en) * | 2015-07-29 | 2017-12-26 | 维沃移动通信有限公司 | The camera model of a kind of electronic equipment starts method and electronic equipment |
| CN105827909B (en) * | 2016-01-25 | 2017-06-23 | 维沃移动通信有限公司 | A kind of dual camera quick start method and mobile terminal |
| CN108170211B (en) * | 2017-12-27 | 2021-04-06 | 上海传英信息技术有限公司 | Camera power-on driving method and electronic terminal |
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| US6717618B1 (en) * | 1998-08-25 | 2004-04-06 | Canon Kabushiki Kaisha | Adapter device for connecting a photographic optical system to a camera |
| WO2008041064A2 (en) * | 2006-10-06 | 2008-04-10 | Freescale Semiconductor, Inc. | Detection circuit for detecting the connection of an accessory to a mobile device and method thereof |
| EP2043357A2 (en) * | 2007-09-28 | 2009-04-01 | Fujinon Corporation | Television camera system |
| CN101827219A (en) * | 2010-01-22 | 2010-09-08 | 中兴通讯股份有限公司 | Method and device for controlling two cameras in master/slave mode in wireless terminal |
| CN202121679U (en) * | 2011-01-30 | 2012-01-18 | 格科微电子（上海）有限公司 | Double-camera device of multiplex data interface |
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