CN101299847A - Method for setting, controlling and switching forward and backward CCD camera of mobile terminal - Google Patents
Method for setting, controlling and switching forward and backward CCD camera of mobile terminal Download PDFInfo
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- CN101299847A CN101299847A CN200810039488.3A CN200810039488A CN101299847A CN 101299847 A CN101299847 A CN 101299847A CN 200810039488 A CN200810039488 A CN 200810039488A CN 101299847 A CN101299847 A CN 101299847A
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Abstract
The invention relates to a method of a mobile terminal for setting, controlling and switching a front pick-up head and a back pick-up head. The invention realizes the different setting, controlling and switching the front pick-up head and the back pick-up head according to the different occasions and usages, and satisfies the requirement of the multimedia function for performing the photo taking, camera shot and the visual telephone and the like. The invention responds to the requirement of the user through the upper layer application program, transfers the bottom program to perform the corresponding powerup, initialization and switching operation, meanwhile realizes a plurality of multimedia functions. The invention has the beneficial advantages of realizing the setting, controlling and switching the front pick-up head and the back pick-up head according to the different occasions and usages, conveniently taking photo, shooting and performing the video calling, capable of being convenient for the user to use.
Description
Technical field
The present invention relates to the method that a kind of portable terminal is provided with, controls and switch front camera and rear camera.
Background technology
Along with the development of personal mobile communication technology, the portable terminal of 2.5G/2.75G is more and more universal, but the 2.5G/2.75G mobile communication network can only provide speech business and data service, can not satisfy the demand of user to video communication.
Through years of development, domestic 3G network is ripe gradually, and will enter commercial stage very soon.The development of 3G technology and successful commercialization make common 3G terminal user can conveniently enjoy video call service.
On the other hand, the development of mobile phone technique makes cell-phone function more and more abundanter, and taking pictures becomes the standard configuration of ordinary terminal with camera function.
The 3G portable terminal should satisfy taking pictures of common mobile terminal and camera function, provides video call function for the 3G video traffic again.Take pictures and camera function requires camera to take forward usually, need the rearmounted camera of mobile phone to realize that video call function need photograph caller's head portrait itself usually, need realize with preposition camera, can not be with the satisfied two kinds of needs of same camera.So, how under different occasions, to be provided with, to control and to switch the problem that two cameras just become needs solution.
Summary of the invention
Goal of the invention of the present invention is to realize that portable terminal according to different occasions and former and later two cameras of purposes setting, control and switching, satisfies the needs of multimedia functions such as the client takes pictures simultaneously, shooting, visual telephone.
Technical solution of the present invention is specific as follows:
The method that a kind of portable terminal is provided with, controls and switch front camera and rear camera, comprise front camera and rear camera and write the upper level applications and the bsp driver interface of processor, it is characterized in that: processor is used upper level applications response user and is asked to transfer the bsp driver interface or directly use the bsp driver interface, to front camera and rear camera power on accordingly, initialization, shutoff operation.Specifically comprise following situation:
Mobile phone is in holding state, takes pictures or makes a video recording when user request, then carries out following operation: processor is used upper level applications response user's operation, calls that the bsp driver interface gives that rearmounted camera powers on, initialization and make it in running order; When the user withdrawed from shooting, camera function, processor was used upper level applications response user operation, calls the bsp driver interface and closes rearmounted camera.
Mobile phone is in holding state, dials visual telephone when user's request, then carries out following operation: processor application upper level applications is called the bsp driver interface and is powered on for preposition camera, and initialization makes it in running order; When user or the other side were hung up visual telephone, processor was used upper level applications response user operation, calls the bsp driver interface and closes preposition camera.
Mobile phone is in holding state, and when the user asks to autodyne, then carry out following operation: processor is used upper level applications, calls the bsp driver interface and gives that preposition camera powers on, initialization makes it in running order; When the user closed Self-timer, processor was used upper level applications response user operation, calls the bsp driver interface and closes preposition camera.
When the user is in the process of taking pictures and making a video recording simultaneously, promptly rearmounted camera is opened, and the user asks to autodyne, and then carries out following operation: processor uses upper level applications and transfers the bsp driver interface and cut out rearmounted camera; Upper level applications is opened preposition camera by calling the bsp driver interface, to preposition camera power on, initialization makes it in running order.
In the process of taking pictures, making a video recording when the user is in, be that rearmounted camera is opened, there is visual telephone to insert, then carry out following operation: processor calls the bsp driver interface, close rearmounted camera, after the user selected to answer visual telephone, processor called the bsp driver interface, to preposition camera power on, initialization makes it in running order.
When the user is in video calling or the auto heterodyne process, promptly preposition camera is opened, and user's request is taken pictures, made a video recording, and then carries out following operation: processor is used upper level applications and called the bsp driver interface, closes preposition camera; The user enters and takes pictures, the menu of making a video recording is selected to take pictures or make a video recording; Processor is used upper level applications and can be called the bsp driver interface and open rearmounted camera, to rearmounted camera power on, initialization makes it in running order.
When the user is in video calling or the auto heterodyne process, be that preposition camera is opened, visual telephone is dialed or is answered in user's request, then carry out following operation: processor calls the bsp driver interface and cuts out preposition camera, call the bsp driver interface and open preposition camera again, reconfigure preposition camera resolution, display effect parameter, to rearmounted camera power on, initialization makes it in running order.
The invention has the beneficial effects as follows and realized portable terminal, make portable terminal can take pictures easily, make a video recording and carry out video calling, have great convenience for the user use mobile phone according to different occasions and former and later two cameras of purposes setting, control and switching.
Description of drawings
Fig. 1 is for using the hardware unit structure chart of the inventive method.
Fig. 2 is the embodiment of the invention 1, and promptly standby mode enters auto heterodyne, takes pictures or shooting, visual telephone and withdraw from process flow diagram.
Fig. 3 is the embodiment of the invention 2, and promptly the user is taking pictures or image pickup mode is interrupted by visual telephone or manually withdraws to take pictures or make a video recording and enters the process flow diagram of self-timer mode.
Fig. 4 is the embodiment of the invention 3, and promptly the user is interrupted by visual telephone or manually withdraws to autodyne at self-timer mode and enters the process flow diagram of video calling pattern.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is for using the hardware unit structure chart of the embodiment of the invention.As shown in the figure, device comprises processor 1, preposition camera 2 and rearmounted camera 3 compositions, processor 1 is by I2C (Inter-IntegratedCircuit, internal integrated circuit) bus 4 (SCK of I2C processor, SDA pin) is connected with back of the body camera 3 (I2C connects SCK, the SDA pin of positive camera and back of the body camera respectively) with positive camera 2, controls.The PWDN of positive camera 2 and back of the body camera 3 (Power Down, power supply is low to enable) pin and Reset (restarting) pin link together with GPIO (General Purpose Input/Output, the general purposes input and output) pin of processor 1.
The embodiment of the invention 1, promptly standby mode enters auto heterodyne, takes pictures or shooting, visual telephone and when withdrawing from, and the specific implementation process that front camera and rear camera is provided with, controls and switches may further comprise the steps as shown in Figure 1:
1. when mobile phone was in holding state, the user selected concrete application mode.
2. processor is used the upper level applications judgement needs to judge which kind of the user will carry out and use this moment, specifically comprises following three kinds of situations:
A) user need autodyne:
I. processor is used upper level applications and is called the bsp driver interface, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera, and camera is finished parameter configuration such as resolution, display effect;
Ii. after preposition camera is opened, the operating state that enters self-timer mode;
Iii. after the user stopped to autodyne, processor was used upper level applications and is called the bsp driver interface, closes preposition camera by the PWDN level that drags down preposition camera, and mobile phone returns to holding state;
B) user's visual telephone of will breathing out:
I. processor is used upper level applications and is called the bsp driver interface, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera and do parameter configuration such as necessary resolution, display effect according to the requirement of video calling;
Ii. when the user carried out video calling, mobile phone entered the video calling pattern;
Iii. when the user finished video calling, processor was used upper level applications and is called the bsp driver interface, closes preposition camera by the PWDN level that drags down preposition camera, and mobile phone returns to holding state;
C) user will take pictures or make a video recording:
I. processor is used upper level applications and is called the bsp driver interface, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open rearmounted camera and require to carry out the parameter configuration such as resolution, display effect of necessity according to the difference of taking pictures or make a video recording;
Ii. after rearmounted camera was opened, program work was being taken pictures or image pickup mode;
Iii. the end of ought taking pictures or make a video recording, processor is used upper level applications and is called the bsp driver interface, closes rearmounted camera by the PWDN level that drags down rearmounted camera, and mobile phone enters holding state;
The embodiment of the invention 2, the user is taking pictures or image pickup mode is interrupted by visual telephone or manually withdraws from and takes pictures or make a video recording when entering self-timer mode, and front camera and rear camera is provided with, controls and switches the specific implementation process as shown in Figure 2, may further comprise the steps:
1. the user is in rearmounted camera and takes pictures or image pickup mode;
2. when the user need carry out the relevant operation of camera, program judged which kind of operation the user will carry out, and specifically comprises following two kinds of situations:
A) the visual telephone incoming call is arranged:
I. processor is directly used the bsp driver interface, closes rearmounted camera by the PWDN level that drags down rearmounted camera automatically;
Ii. processor is directly used the bsp driver interface, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera and do parameter configuration such as necessary resolution, display effect, make it be operated in the video calling pattern according to the requirement of video calling;
Iii. processor judges that this video calling is initiatively to hang up or passive hanging up: if the user is initiatively hung up this video calling, processor is used upper level applications response user operation, call the bsp driver interface, close preposition camera by the PWDN level that drags down preposition camera, mobile phone returns holding state; If the other side is hung up this video calling, processor is directly used the bsp driver interface, by dragging down the PWDN level of preposition camera, closes preposition camera, and mobile phone returns holding state.
B) user will autodyne:
I. processor is used upper level applications response user operation, calls the bsp driver interface, by dragging down the PWDN level of rearmounted camera, closes rearmounted camera;
Ii. processor is used upper level applications and is called the bsp driver interface by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera and carry out parameter configuration such as necessary resolution, display effect, open preposition camera, mobile phone enters self-timer mode;
Iii. mobile phone is autodyned and is finished, and processor is used upper level applications response user operation, calls the bsp driver interface, by dragging down the PWDN level of preposition camera, closes preposition camera, and mobile phone enters holding state;
The embodiment of the invention 3, promptly the user is interrupted by visual telephone or manually withdraws from self-timer mode and autodynes when entering the video calling pattern, and front camera and rear camera is provided with, controls and switches the specific implementation process as shown in Figure 3, may further comprise the steps:
1. work as mobile phone and be in preposition camera self-timer mode;
2. there is action need change the state of camera, judges sight at this moment, comprise following two kinds of situations:
A) the visual telephone incoming call is arranged:
I. processor is directly used the bsp driver interface, and automatically by dragging down the PWDN level of preposition camera, interface is closed preposition camera;
Ii. processor is used the bsp driver interface and is opened preposition camera again, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera and do parameter configuration such as necessary resolution, display effect, make it be operated in the video calling pattern according to the requirement of video calling;
Iii. processor application upper level applications judges that this video calling is initiatively to hang up or passive hanging up: if the user is initiatively hung up this video calling, processor is used upper level applications response user operation, call the bsp driver interface, by dragging down the PWDN level of preposition camera, close preposition camera, mobile phone enters holding state; If the other side is hung up video calling, processor is directly used the bsp driver interface, by dragging down the PWDN level of preposition camera, closes preposition camera, and mobile phone enters holding state;
B) user need take pictures or make a video recording:
I. processor is used upper level applications and is called the bsp driver interface, by dragging down the PWDN level of preposition camera, closes preposition camera;
Ii. processor is used upper level applications and is called the bsp driver interface, by PWDN, Reset pin are sent enable signal, to preposition camera power on, initialization, thereby open preposition camera and do parameter configuration such as necessary resolution, display effect, it is operated in takes pictures or image pickup mode according to the requirement of video calling;
Iii. the end of ought taking pictures or make a video recording, processor is used upper level applications and is called the bsp driver interface, by dragging down the PWDN level of rearmounted camera, closes rearmounted camera, and mobile phone enters standby mode;
Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.
Claims (8)
1. method that portable terminal is provided with, controls and switch front camera and rear camera, comprise front camera and rear camera and write the upper level applications and the bsp driver interface of processor, it is characterized in that: processor is used upper level applications response user and is asked to transfer the bsp driver interface or directly use the bsp driver interface, to front camera and rear camera power on accordingly, initialization, shutoff operation.
2. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: mobile phone is in holding state, when user's request is taken pictures or made a video recording, then carry out following operation: processor is used upper level applications response user's operation, calls that the bsp driver interface gives that rearmounted camera powers on, initialization and make it in running order; When the user withdrawed from shooting, camera function, processor was used upper level applications response user operation, calls the bsp driver interface and closes rearmounted camera.
3. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: mobile phone is in holding state, when visual telephone is dialed in user's request, then carry out following operation: processor application upper level applications is called the bsp driver interface and is powered on for preposition camera, and initialization makes it in running order; When user or the other side were hung up visual telephone, processor was used upper level applications response user operation, calls the bsp driver interface and closes preposition camera.
4. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: mobile phone is in holding state, when the user asks to autodyne, then carry out following operation: processor is used upper level applications, calls the bsp driver interface and gives that preposition camera powers on, initialization makes it in running order; When the user closed Self-timer, processor was used upper level applications response user operation, calls the bsp driver interface and closes preposition camera.
5. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: when the user is in the process of taking pictures and making a video recording simultaneously, be that rearmounted camera is opened, the user asks to autodyne, and then carries out following operation: processor application upper level applications is transferred the bsp driver interface and is closed rearmounted camera; Upper level applications is opened preposition camera by calling the bsp driver interface, to preposition camera power on, initialization makes it in running order.
6. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: in the process of taking pictures, making a video recording when the user is in, be that rearmounted camera is opened, there is visual telephone to insert, then carry out following operation: processor calls the bsp driver interface, closes rearmounted camera, after the user selects to answer visual telephone, processor calls the bsp driver interface, to preposition camera power on, initialization makes it in running order.
7. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: when the user is in video calling or the auto heterodyne process, be that preposition camera is opened, user's request is taken pictures, is made a video recording, then carry out following operation: processor is used upper level applications and is called the bsp driver interface, closes preposition camera; The user enters and takes pictures, the menu of making a video recording is selected to take pictures or make a video recording; Processor is used upper level applications and can be called the bsp driver interface and open rearmounted camera, to rearmounted camera power on, initialization makes it in running order.
8. the method that portable terminal according to claim 1 is provided with, controls and switch front camera and rear camera, it is characterized in that: when the user is in video calling or the auto heterodyne process, be that preposition camera is opened, visual telephone is dialed or is answered in user's request, then carry out following operation: processor calls the bsp driver interface and cuts out preposition camera, call the bsp driver interface and open preposition camera again, reconfigure preposition camera resolution, display effect parameter, to rearmounted camera power on, initialization makes it in running order.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810039488.3A CN101299847B (en) | 2008-06-25 | 2008-06-25 | Method for setting, controlling and switching forward and backward CCD camera of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810039488.3A CN101299847B (en) | 2008-06-25 | 2008-06-25 | Method for setting, controlling and switching forward and backward CCD camera of mobile terminal |
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| CN101299847A true CN101299847A (en) | 2008-11-05 |
| CN101299847B CN101299847B (en) | 2013-04-10 |
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