CN103442134B - Realize the method and system of mobile terminal touch screen switching function - Google Patents
Realize the method and system of mobile terminal touch screen switching function Download PDFInfo
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- CN103442134B CN103442134B CN201310361059.9A CN201310361059A CN103442134B CN 103442134 B CN103442134 B CN 103442134B CN 201310361059 A CN201310361059 A CN 201310361059A CN 103442134 B CN103442134 B CN 103442134B
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Abstract
The invention discloses the method and system realizing mobile terminal touch screen switching function, method includes step: when detecting that mobile terminal is in talking state, starts wide area touch function and the driving of virtual Psensor equipment of mobile terminal touch screen；Wide area touch function is utilized to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual Psensor equipment record for representing the value of the flag bit PS of current proximity state；Utilize virtual Psensor equipment drives the value obtaining flag bit PS, and the value of flag bit PS is transferred to upper strata；Upper strata realizes the function of switch touch screen according to the value of flag bit PS.
Description
Technical field
The present invention relates to mobile terminal touch screen technical field, particularly relate to a kind of method and system realizing mobile terminal touch screen switching function.
Background technology
Along with gradually popularizing of the mobile terminals such as smart mobile phone, mobile phone industry competition is more and more fierce, and each producer is harsher to the control of product cost.On the smart mobile phone of existing band touch screen, realize the switching function of touch screen generally by Proximity Sensor (P-sensor), to allow user utilizing mobile phone dialing or receive calls when, prevent user misoperation and save electricity.The addition of Proximity Sensor, makes handset structure design more complicated, adds the yoke to handset structure design, and add cost, be unfavorable for improving product competitiveness.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide the method and system realizing mobile terminal touch screen switching function, it is intended to solve existing touch-screen switch function and need to rely on Proximity Sensor, cost height, complex structural designs, add the problem to the yoke that structure designs.
Technical scheme is as follows:
A kind of method realizing mobile terminal touch screen switching function, it includes step:
When detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Wide area touch function is utilized to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
Utilize virtual P-sensor equipment drives the value obtaining flag bit PS, and the value of flag bit PS is transferred to upper strata；
Upper strata realizes the function of switch touch screen according to the value of flag bit PS.
The described method realizing mobile terminal touch screen switching function, wherein, the step utilizing wide area touch function to judge whether the proximity state of touch screen of mobile terminal changes specifically includes:
Judge whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number, when both conditions are satisfied, determine that the proximity state of touch screen is for there being object close, when two condition all not met or only one of which condition meet, determine that the proximity state of touch screen is for close without object.
The described method realizing mobile terminal touch screen switching function, wherein, the mode being driven through poll of virtual P-sensor equipment reads the value of flag bit PS.
The described method realizing mobile terminal touch screen switching function, wherein, further comprises the steps of:
It is pre-created a virtual P-sensor equipment, and creates corresponding driving for it.
A kind of system realizing mobile terminal touch screen switching function, wherein, including:
Start module, for when detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Logging modle, for utilizing wide area touch function to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
Acquisition module, for utilizing the value driving acquisition flag bit PS of virtual P-sensor equipment, is transferred to upper strata by the value of flag bit PS；
Switch module, for upper strata, the value according to flag bit PS realizes switching the function of touch screen.
The described system realizing mobile terminal touch screen switching function, wherein, described logging modle includes:
Judging unit, is used for judging whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number；When both conditions are satisfied, determine that the proximity state of touch screen, for there being object close, when two condition all not met or only one of which condition meet, determines that the proximity state of touch screen is for close without object.
The described system realizing mobile terminal touch screen switching function, wherein, also includes:
Creation module, is used for being pre-created a virtual P-sensor equipment, and creates corresponding driving for it.
Beneficial effect: the present invention reduces mobile phone cost in the case of not changing user's occupation mode, achieve the function of tradition Proximity Sensor equally, after eliminating Proximity Sensor simultaneously, handset structure design is made to become more flexibly and conveniently, in the case of not affecting Consumer's Experience, improve product competitiveness.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention realizes the method preferred embodiment of mobile terminal touch screen switching function.
Fig. 2 is the flow chart that the present invention realizes another embodiment of method of mobile terminal touch screen switching function.
Fig. 3 is the structured flowchart that the present invention realizes the system preferred embodiment of mobile terminal touch screen switching function.
Detailed description of the invention
The present invention provides a kind of method and system realizing mobile terminal touch screen switching function, and for making the purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is the flow chart that the present invention realizes the method preferred embodiment of mobile terminal touch screen switching function, as it can be seen, comprising:
S101, when detecting that mobile terminal is in talking state, start the wide area touch function of mobile terminal touch screen and the driving of virtual P-sensor equipment；
S102, wide area touch function is utilized to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
S103, utilize virtual P-sensor equipment drive obtain flag bit PS value, the value of flag bit PS is transferred to upper strata；
S104, upper strata realize the function of switch touch screen according to the value of flag bit PS.
Should be noted that, in above-mentioned steps, for convenience of explanation by each step numbers, but do not represent the execution sequence of step, such as step S102 and step S103 for carry out simultaneously.
Before step S101, virtual P-sensor equipment need to be pre-created, simultaneously according to the driving that the requirement of MTK platform is its establishment correspondence, in P-sensor device drives, the state state of wide area touch shielded with pass and spread its tail is united and is reported upper strata, for upper strata, whole software architecture does not change.
MTK(MediaTek Inc.) platform is to be managed collectively the driver of each touch screen, simultaneously in order to realize the compatibility of different touch screen, carry out the compliant architectures of a set of touch screen, can be operating in normally above MTK platform in order to allow the touch screen in the present invention drive, it is also desirable to follow above-mentioned compliant architectures.MTK platform creates a platform being called " mtk-tpd "
Driver(platform drives), the touch screen in the present invention drives and need to be loaded in the driving of this platform, and the function of use is tpd_add_driver ()；After touch screen driving is loaded successfully into the driving of this platform, touch screen initializes and coordinate reports and all passes through the driving realization of this touch screen.
Simultaneously, various sensor is managed for convenience in MTK platform, its establishment has a set of sensor management framework, which create a platform driver(platform being called " hwmsensor " to drive) simultaneously, here carry out state reporting work, virtual P-sensor hanging equipment is downloaded in corresponding list by the present invention by hwmsen_attach function, the data of virtual P-sensor equipment thus can be accessed by MTK framework, MTK platform has interruption and poll two ways when of obtaining data, only in driving, corresponding state registration need to be entered.
In step S101, when detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Touch screen in the present invention drives after loading accordingly according to MTK platform architecture, just can normally work, drive IC(integrated circuit at touch screen) the firmware(firmware of internal programming) in need to open the function of correspondence, the interruption so triggered with regard to passing through wide area touch function (touch screen need to have wide area touch function) in communication process obtains current state, as needs Guan Pingshi, just this state is saved in the value of variable ps_state(flag bit PS) in, wait that P-sensor drives and obtain.
In whole communication process, need to ensure that touch screen is in running order, it is impossible to dormancy, to ensure that touch screen is capable of wide area touch function, switch touch screen function in the present invention refers to switch the LCD of touch screen simultaneously, and when closing touch screen LCD, touch screen is not responding to user operation.
In step s 102, wide area touch function is utilized to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
It specifically includes: judge whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number, when both conditions are satisfied, determine that the proximity state of touch screen is for there being object close, when two condition all not met or only one of which condition meet, determine that the proximity state of touch screen is for close without object.When proximity state does not change, touch screen will the most persistently detect, and when changing, will record the value of the flag bit PS of current proximity state.
In step s 103, utilize virtual P-sensor equipment drives the value obtaining flag bit PS, and the value of flag bit PS is transferred to upper strata；Especially by the interface function of the poll that can be provided by upper strata, the state of the ps_state preserved in being driven by touch screen reads, and reports to upper strata.
In step S104, upper strata realizes the function of switch touch screen according to the value of flag bit PS.
In whole flowchart process, touch screen drives and P-sensor drives and can persistently detect mobile terminal whether in communication process, if detecting in communication process, then touch screen drives needs constantly to judge whether current proximity state changes, and P-sensor drives the value needing continuous poll flag bit PS, and report upper strata.And detecting not in communication process, then touch screen drives the pattern exiting wide area touch, and P-sensor drives also can directly exit closedown.
The present invention also provides for realizing another embodiment of method of mobile terminal touch screen switching function, as in figure 2 it is shown, it includes step:
S1, beginning；
S2, start call；After starting call, system can call two threads simultaneously: thread 1 and thread 2；Thread 1 includes that step S3 and S4, S5, thread 2 include step S6, S7.
S3, the wide area touch function of startup touch screen；
Whether S4, the proximity state of detection touch screen change；
S5, when detecting that proximity state changes, record current mark bit PS value；
S6, startup P-sensor drive, the value of poll flag bit PS；
S7, the value of flag bit PS is reported to report upper strata；
S8, judge call whether terminate；When finished, perform step S9, otherwise return step S3 and S6.
S9, end.
Based on said method, the present invention also provides for realizing the system preferred embodiment of mobile terminal touch screen switching function, as it is shown on figure 3, comprising:
Start module 100, for when detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Logging modle 200, for utilizing wide area touch function to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
Acquisition module 300, for utilizing the value driving acquisition flag bit PS of virtual P-sensor equipment, is transferred to upper strata by the value of flag bit PS；
Switch module 400, for upper strata, the value according to flag bit PS realizes switching the function of touch screen.
Further, described logging modle includes:
Judging unit, is used for judging whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number；When both conditions are satisfied, determine that the proximity state of touch screen, for there being object close, when two condition all not met or only one of which condition meet, determines that the proximity state of touch screen is for close without object.
Further, also include:
Creation module, is used for being pre-created a virtual P-sensor equipment, and creates corresponding driving for it.
In sum, the present invention reduces mobile phone cost in the case of not changing user's occupation mode, achieve the function of tradition Proximity Sensor equally, after eliminating Proximity Sensor simultaneously, handset structure design is made to become more flexibly and conveniently, in the case of not affecting Consumer's Experience, improve product competitiveness.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (2)
1. the method realizing mobile terminal touch screen switching function, it includes step:
When detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Wide area touch function is utilized to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual P-sensor equipment record for representing the value of the flag bit PS of current proximity state；
Utilize virtual P-sensor equipment drives the value obtaining flag bit PS, and the value of flag bit PS is transferred to upper strata；The state state of wide area touch shielded with pass and spread its tail is united and is reported upper strata；
Upper strata realizes the function of switch touch screen according to the value of flag bit PS；
The step utilizing wide area touch function to judge whether the proximity state of touch screen of mobile terminal changes specifically includes:
Judge whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number, when both conditions are satisfied, determine that the proximity state of touch screen is for there being object close, when two condition all not met or only one of which condition meet, determine that the proximity state of touch screen is for close without object；
The mode being driven through poll of virtual P-sensor equipment reads the value of flag bit PS；
Further comprise the steps of:
It is pre-created a virtual P-sensor equipment, and creates corresponding driving for it；
Touch screen drive load is on platform driver, and the function of use is tpd_add_driver ().
2. the system realizing mobile terminal touch screen switching function, it is characterised in that including:
Start module, for when detecting that mobile terminal is in talking state, start wide area touch function and the driving of virtual P-sensor equipment of mobile terminal touch screen；
Logging modle, for utilizing wide area touch function to judge whether the proximity state of mobile terminal touch screen changes, when being, by virtual Psensor equipment record for representing the value of the flag bit PS of current proximity state；
Acquisition module, for utilizing the value driving acquisition flag bit PS of virtual P-sensor equipment, is transferred to upper strata by the value of flag bit PS；The state state of wide area touch shielded with pass and spread its tail is united and is reported upper strata；
Switch module, for upper strata, the value according to flag bit PS realizes switching the function of touch screen；
Described logging modle includes:
Judging unit, is used for judging whether touch screen capacitance reaches threshold value, and whether the port number that touch screen is capped reaches predetermined number；When both conditions are satisfied, determine that the proximity state of touch screen, for there being object close, when two condition all not met or only one of which condition meet, determines that the proximity state of touch screen is for close without object；
The mode being driven through poll of virtual P-sensor equipment reads the value of flag bit PS；
Also include:
Creation module, is used for being pre-created a virtual P-sensor equipment, and creates corresponding driving for it；
Touch screen drive load is on platform driver, and the function of use is tpd_add_driver ().
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| CN103841263A (en) * | 2014-02-18 | 2014-06-04 | 上海华掌通信技术有限公司 | Distance sensor scheme achieved based on CTP |
| CN105721665B (en) * | 2015-04-13 | 2019-11-26 | 中科创达软件科技（深圳）有限公司 | A kind of mobile terminal incoming call sound method and device |
| NO346144B1 (en) * | 2018-09-12 | 2022-03-21 | Elliptic Laboratories As | Proximity sensing |
| CN111104012B (en) | 2019-12-12 | 2021-06-15 | 惠州Tcl移动通信有限公司 | Distance measuring method and device, storage medium and terminal equipment |
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| KR100672539B1 (en) * | 2005-08-12 | 2007-01-24 | 엘지전자 주식회사 | Method for recognizing a touch input in mobile communication terminal having touch screen and mobile communication terminal able to implement the same |
| CN101794197B (en) * | 2010-04-06 | 2012-11-07 | 华为终端有限公司 | Triggering method of touch screen, touch device and handheld device |
| CN102662524A (en) * | 2012-04-24 | 2012-09-12 | 深圳市拓盛电子科技有限公司 | Electronic device |
| CN102761670A (en) * | 2012-07-26 | 2012-10-31 | 江西联创电子有限公司 | Method for preventing misoperation of capacitive touch screen during phone call |
| CN102857598A (en) * | 2012-09-19 | 2013-01-02 | 惠州Tcl移动通信有限公司 | Control method for eliminating noise of double microphones of cellphone automatically and cellphone utilizing control method |
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