CN103279273B - Touch switching method of electromagnetic and capacitive dual-mode touch screen - Google Patents
Touch switching method of electromagnetic and capacitive dual-mode touch screen Download PDFInfo
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Abstract
The invention discloses a touch switching method of an electromagnetic and capacitive dual-mode touch screen, which comprises the following steps: detecting the working state of the control key in real time; when the control key is detected to send a key signal, controlling the touch screen to display a function switching menu; controlling the touch screen to start a capacitive touch mode when the function switching menu is displayed; the function switching menu comprises a touch switching bar; receiving an operation instruction of a user on the touch switching bar through the touch screen, and controlling the touch screen to close the function switching menu; and switching the current touch mode of the touch screen according to the operation instruction. The touch switching method of the electromagnetic and capacitive dual-mode touch screen provided by the invention realizes free switching of the touch mode of the electromagnetic and capacitive dual-mode touch screen, avoids mutual interference of capacitive touch data and electromagnetic touch data, is simple in switching operation, does not need to add a new hardware device, and reduces the assembly process and cost.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to the touch-control changing method of a kind of electromagnetism and capacitive dual-mode touch screen.
Background technology
Along with the development of integrated circuit technique, the kind of portable type electronic product gets more and more with function, and especially with the Intelligent mobile equipment of touch screen, its range of application is more and more wider.
Touch screen is also called " touch screen ", " contact panel ", is a kind of vicarious liquid crystal indicator receiving the input signals such as contact.When the button on user's contact screen or menu, the haptic feedback system on screen can drive various hookup mechanisms according to the formula of preprogramming, is substituted for mechanical push button panel, and produces lively visual and sound effects by liquid crystal display picture.
From the point of view of know-why, the technology that the touch control pattern of touch screen is used includes: vector pressure sensing technology, resistive technologies, capacitance technology, infrared technology, surface acoustic wave technique and electromagnetic technique etc..
Capacitive touch screen with capacitance technology as background, its operation principle is, sticks particulate metal conductive materials of layer of transparent in screen surface；When finger touches on the metal layer, the electric capacity of contact will change so that the oscillator frequency being attached thereto changes, and may determine that touch location obtains information by measuring frequency change.Owing to electric capacity changes with contact area, the difference of the dielectric strength of medium, therefore its less stable, often produce drift phenomenon.
Along with the precision of handwriting input, comfort level, aesthetics etc. are required day by day to improve by the mobile electronic device such as panel computer, mobile phone, existing capacitance touch screen technology is difficult to meet its requirement.Electromagnetic touch screen then can solve these problems well.Its ultimate principle is dependent in time writer operating process producing changes of magnetic field to differentiate input signal with the induction apparatus under panel, time writer is signal transmitting terminal (Transceiver), antenna plate is signal receiving end (Receiver), when close to sensing, magnetic flux changes, by operation definition location point.Electromagnetical type touch screen positioning precision is high, can obtain time writer angle of inclination and pressure information, it is simple to former handwriting, drawing etc., the pen that writing experience approximation is traditional.But the shortcoming of electromagnetic touch screen is electromagnetic touch pen that have to be special just can be write and manipulate, thus cause using inconvenience.
Therefore, the touch screen simultaneous with capacitance touching control pattern and the touch screen of electromagnetic touch pattern, i.e. electromagnetism with capacitive dual-mode touch-control arises at the historic moment.By being provided with the touch screen of electromagnetism and capacitive dual-mode control mode touch mode, mobile electronic device both can reach good writing effect by electromagnetic touch screen, it is also possible to is directly manipulated mobile electronic device by finger.
But, electromagnetism and capacitive dual-mode touch screen often there is a problem in that when user uses electromagnetic touch pen to write, the root of user's palm often touches touch screen, thus produces the data of capacitance touching control pattern, and the data produced electromagnetic touch pen on the touchscreen create interference.Accordingly, it would be desirable to when using electromagnetic touch pattern to carry out data input, close the capacitance touching control pattern of touch screen.
Prior art proposes relevant technical solution.One of which solution is, by increasing a kind of " palm touches suppression " function on capacitive touch screen, has reached to reduce the interference to electromagnetic touch data of the capacitance touching control data；Another kind of solution is, by the distance of detection electromagnetic touch pen with screen, when this distance reaches certain value, and disabling capacitance touching control data automatically.
But, in the first solution, owing to " palm touches detection " is that the area relying on palm contacts screen judges, and different people is when writing, and the area of its contact screen has the biggest difference, thus the standard that " palm touches suppression " detection judges is difficult to consistent.And in the second solution, the sensitivity of electromagnetic touch pen is limited, it is typically only capable to sense the distance of 1 cm, and the writing style of usual people be first support the hand on writing surface after, pen is the most close, therefore detect time writer before screen, palm has touched on touch screen.
Summary of the invention
The technical problem to be solved is, the touch-control changing method of a kind of electromagnetism and capacitive dual-mode touch screen is provided, it is capable of the flexible switching of the control mode touch mode to touch screen, it is to avoid the capacitance touching control data received on touch screen interfere with electromagnetic touch data.
For solving above technical problem, the embodiment of the present invention provides the touch-control changing method of a kind of electromagnetism and capacitive dual-mode touch screen, including:
The duty of control key is detected in real time；
When detecting that described control key sends push button signalling, control touch screen display function switching menu；And control described touch screen show described function switching menu time enable capacitance touching control pattern；Described function switching menu includes that touch-control switches hurdle；
Receive user's operational order to described touch-control switching hurdle by described touch screen, and control the described touch screen described function switching menu of closedown；
According to described operational order, the current control mode touch mode of described touch screen is switched over.
Specifically, described control key be power key, volume arrange in key or homepage key any one.
Preferably, described push button signalling be the first triggering signal, second trigger signal, the 3rd trigger that signal and the 4th triggers in signal any one.
Further, described touch-control switching hurdle includes that capacitance touching control pattern switches hurdle；
The most described according to described operational order, the current control mode touch mode of described touch screen is switched over, specifically includes:
Described operational order is detected；Described operational order includes that capacitance touching control enables instruction and capacitance touching control disabling instruction；
If described operational order is described capacitance touching control enables instruction, controls described touch screen and enable described capacitance touching control pattern；
If described operational order is the disabling instruction of described capacitance touching control, controls described touch screen and disable described capacitance touching control pattern.
Yet further, described touch-control switching hurdle also includes that electromagnetic touch pattern switches hurdle；Described operational order also includes that electromagnetic touch enables instruction and electromagnetic touch disabling instruction；
The most described according to described operational order, the current control mode touch mode of described touch screen is switched over, specifically includes:
Described operational order is detected；
If described operational order is described electromagnetic touch enables instruction, controls described touch screen and enable described electromagnetic touch pattern；
If described operational order is the disabling instruction of described electromagnetic touch, controls described touch screen and disable described electromagnetic touch pattern.
Described according to described operational order, after the current control mode touch mode of described touch screen is switched over, the data that described touch screen receives are transferred to control system by application programming interface.
A kind of electromagnetism of present invention offer and the touch-control changing method of capacitive dual-mode touch screen, bsp driver based on touch screen and the operation interface on application layer, control key on mobile electronic device is detected in real time, when user reaches certain value to the persistent period that this control key is pressed, control control key and send push button signalling, trigger touch screen display function switching menu, user operates by the touch-control in this function switching menu is switched hurdle, i.e. can reach the purpose of the control mode touch mode of switching touch screen.Therefore, a kind of electromagnetism of present invention offer and the touch-control changing method of capacitive dual-mode touch screen, it provides the benefit that, utilize the existing hardware resource (control key) on general electronic equipment, start the function switching menu of touch screen, and by increasing touch-control switching hurdle in described function switching menu, realize the control mode touch mode of electromagnetism Yu capacitive dual-mode touch screen is freely changed, avoid interfering of capacitance touching control data and electromagnetic touch data, the control mode touch mode handover operation of the method is simple, without increasing new hardware unit, reduce assembly process and cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of electromagnetism of providing of the present invention and an embodiment of the touch-control changing method of capacitive dual-mode touch screen；
Fig. 2 is the schematic flow sheet of a kind of implementation of step S105 shown in Fig. 1 of the present invention；
Fig. 3 is the schematic flow sheet of another implementation of step S105 shown in Fig. 1 of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
In embodiments of the present invention, described electromagnetism and capacitive dual-mode touch screen have electromagnetic touch pattern and capacitance touching control pattern, and therefore, described touch screen can be operated in any one in electromagnetism and capacitive dual-mode control mode touch mode, electromagnetic touch pattern or capacitance touching control pattern.Specifically, its control mode touch mode is initialized by touch screen according to the enabled state preserved.
Described electromagnetism and the touch-control changing method of capacitive dual-mode touch screen, including:
The duty of control key is detected in real time；When detecting that described control key sends push button signalling, control touch screen display function switching menu；And control described touch screen show described function switching menu time enable capacitance touching control pattern；Described function switching menu includes that touch-control switches hurdle.
Receive user's operational order to described touch-control switching hurdle by described touch screen, and control the described touch screen described function switching menu of closedown；According to described operational order, the current control mode touch mode of described touch screen is switched over.
See Fig. 1, be the schematic flow sheet of a kind of electromagnetism of providing of the present invention and an embodiment of the touch-control changing method of capacitive dual-mode touch screen.
Specifically, the electromagnetism that the present embodiment is provided and the touch-control changing method of capacitive dual-mode touch screen, comprise the following steps:
Step S101: the duty of control key is detected in real time.Mobile electronic device or touch screen self are designed with control key and operate with control equipment, such as power key, its start controlling equipment or shutdown.Specifically, the purpose monitored the duty of control key in real time is to obtain the push button signalling that control key sends in time.Accordingly, it would be desirable to perform step S102, it is judged that whether the control message that control key is sent is corresponding push button signalling, to perform the control of next step corresponding operating.
Step S102: judge whether described control key sends push button signalling.
In the present embodiment, described push button signalling may include but be not limited to long by message, double-click signal, three hit in signal or length alternating signal any one.
Specifically, in one implementation, described push button signalling is the first triggering signal.When user described control key pressed the persistent period more than the T second time, control described control key and send described first and trigger signal, wherein, T ＞ 0.
Control key is pressed time T by monitoring user by the controller of mobile electronic device or touch screen itself, detects the described first triggering signal that whether sends of control key, i.e. long by message.Specifically, when user described control key pressed the persistent period more than the T second time, control described control key and send described length by message.When being embodied as, according to the experience requirements of user, time T can be configured.
In another implementation, described push button signalling is the second triggering signal；When user is to described control key adopting consecutive click chemical reaction twice, control described control key and send described second and trigger signal.Specifically, user controls it send triggering signal, to start function switching menu by double-clicking control key.
In another implementation, described push button signalling is the 3rd triggering signal；When user is to described control key adopting consecutive click chemical reaction three times, control described control key and send the described 3rd and trigger signal.It should be noted that the embodiment of the present invention can pass through the user's repeatedly adopting consecutive click chemical reaction to control key, control described control key and send triggering signal.
In another implementation, described push button signalling is the 4th triggering signal；When user described control key pressed the persistent period more than the M second after again tap on described control key, control described control key and send the described 4th and trigger signal, wherein M ＞ 0.When being embodied as, persistent period M pressed by control key by user can be same with time T-phase, by one " length presses signal " and the combination of " short by signal ", function switching menu triggers as control key the push button signalling of display.
When detecting that described control key sends relevant push button signalling, perform step S103；When being not detected by described push button signalling, continue executing with step S101, the duty of control key is detected in real time.
Step S103: control touch screen display function switching menu；And control described touch screen show described function switching menu time enable capacitance touching control pattern；Described function switching menu includes that touch-control switches hurdle.
When being embodied as, when user presses mobile electronic device or the control key of touch screen itself and sends corresponding push button signalling, controlling touch screen to eject or one function switching menu of display, this function switching menu includes that touch-control switches hurdle, for switching over the control mode touch mode of touch screen.It should be noted that this function switching menu can also include but not limited to function switching selectionbars such as shutting down, quiet.Further, when touch screen shows this function switching menu, force to enable the capacitance touching control pattern of touch screen so that the display content of touch screen can be operated by user by non-dedicated touch control devices such as fingers.
Preferably, described control key be power key, volume arrange in key or homepage key any one.It should be noted that described control key includes but not limited to above-described button in the specific implementation.
Further, in the present embodiment, described touch-control switching hurdle includes that capacitance touching control pattern switches hurdle.
Referring to Fig. 2, the schematic flow sheet of a kind of implementation of step S105 shown in Fig. 1 of the present invention.
The most described step S105, i.e. according to described operational order, switches over the current control mode touch mode of described touch screen, specifically includes:
Step S201: described operational order is detected；Described operational order includes that capacitance touching control enables instruction and capacitance touching control disabling instruction；If described operational order is capacitance touching control enables instruction, then perform step S202；If described operational order is capacitance touching control disabling instruction, then perform step S203.
Step S202: control described touch screen and enable described capacitance touching control pattern.
Step S203: control described touch screen and disable described capacitance touching control pattern.
Specifically, when the switching of capacitance touching control pattern realizing touch screen, it is not necessary to consider whether the electromagnetic touch pattern of touch screen is in the state of enabling, it is achieved the control to capacitance touching control pattern.When being embodied as, its operation principle is: can be by arranging state variable Enable of the type such as Boolean type or character type, by it is carried out assignment, to distinguish the various states of the capacitance touching control pattern of touch screen.Such as, when the capacitance touching control pattern of touch screen is enabled state (enabling state), state variable Enable is entered as " 1 "；When the capacitance touching control pattern of touch screen is disabled status, state variable Enable is entered as " 0 ".Therefore, it can the currency by detecting state variable Enable, it is judged that the state of the capacitance touching control pattern after the handover operation of user and user's switching, to control the touch screen switching to capacitance touching control pattern.
Further, described touch-control switching hurdle also includes that electromagnetic touch pattern switches hurdle.Described operational order also includes that electromagnetic touch enables instruction and electromagnetic touch disabling instruction.
Referring to Fig. 3, it it is the schematic flow sheet of another implementation of step S105 shown in Fig. 1 of the present invention.
The most described step S105, the most described according to described operational order, the current control mode touch mode of described touch screen is switched over, specifically includes:
Step S301: described operational order is detected.Enable instruction if described operational order is described electromagnetic touch, perform step S302；If described operational order is the disabling instruction of described electromagnetic touch, perform step S303.
Step S302: control described touch screen and enable described electromagnetic touch pattern.
Step S303: control described touch screen and disable described electromagnetic touch pattern.
Specifically, when the switching of electromagnetic touch pattern realizing touch screen, it is not necessary to consider whether the capacitance touching control pattern of touch screen is in the state of enabling, it is achieved the control to electromagnetic touch pattern.When being embodied as, when described control touch screen disables described capacitance touching control pattern, the data deletion that described touch screen is received with capacitance touching control pattern, and the data that described touch screen receives with electromagnetic touch pattern are transferred to described control system.
In the present embodiment, its operation principle can with capacitance touching control pattern to realize operation principle identical.
Therefore, in the present embodiment, hurdle can be switched by touch-control, control touch screen and be respectively at four kinds of different touch-control states: (1) capacitance touching control pattern is opened, and electromagnetic touch pattern is opened；(2) capacitance touching control pattern is closed, but electromagnetic touch pattern is opened；(3) capacitance touching control pattern is opened, but electromagnetic touch pattern is closed；(4) capacitance touching control pattern is closed, and electromagnetic touch pattern is closed.The control mode touch mode of touch screen by the touch-control in function switching menu is switched hurdle, can be configured by user according to reality application needs.
Further, in the present embodiment, after described step S105, i.e. described according to described operational order, after switching over the current control mode touch mode of described touch screen, the data received by described touch screen pass through application programming interface (Application
Programming Interface, is called for short API) it is transferred to control system.
API is the calling interface that operating system leaves application program for, and application program makes operating system can perform the order (action) of application program by the API of call operation system, it is not necessary to accesses source code or understands the details of internal work mechanism.Make during control touch screen carries out control mode touch mode switching, reduce server retrieval data burden, reduce and retrieve data flow etc., inquire about various data more efficiently.
A kind of electromagnetism of embodiment of the present invention offer and the touch-control changing method of capacitive dual-mode touch screen, bsp driver based on touch screen and the operation interface on application layer, the push button signalling of the control key on mobile electronic device is detected in real time, controlling touch screen ejection function switching menu after push button signalling being detected, user can need to switch over the control mode touch mode of touch screen according to reality application.
The electromagnetism of embodiment of the present invention offer and the touch-control changing method of capacitive dual-mode touch screen, utilize the existing hardware resource (such as power key) on electronic equipment, start the function switching menu of touch screen, and in described function switching menu, increase touch-control switching hurdle, realize the control mode touch mode of electromagnetism Yu capacitive dual-mode touch screen is freely changed by computer program, avoid interfering of capacitance touching control data produced by touch screen and electromagnetic touch data, handover operation is simple, and without increasing new hardware unit, reduce assembly process and cost.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (4)
1. an electromagnetism and the touch-control changing method of capacitive dual-mode touch screen, it is characterised in that including:
The duty of control key is detected in real time；
When detecting that described control key sends push button signalling, control touch screen display function switching menu；And
Control described touch screen and enable capacitance touching control pattern when showing described function switching menu；Described function switches
Menu includes that touch-control switches hurdle；Wherein, described push button signalling is the 3rd triggering signal；When user is to described control
Key adopting consecutive click chemical reaction processed three times, controls described control key and sends described 3rd triggering signal；Or, described button
Signal is the 4th triggering signal；When user described control key pressed the persistent period more than the M second after point again
Hit described control key, control described control key and send described 4th triggering signal, wherein M ＞ 0；
Receive user's operational order to described touch-control switching hurdle by described touch screen, and control described touch
Described function switching menu closed by screen；
According to described operational order, the current control mode touch mode of described touch screen is switched over；Wherein, described
Touch-control switching hurdle includes that capacitance touching control pattern switches hurdle；
The most described according to described operational order, the current control mode touch mode of described touch screen is switched over, specifically
Including:
Described operational order is detected；Described operational order includes that capacitance touching control enables instruction and capacitive touch
Control disabling instruction；
If described operational order is described capacitance touching control enables instruction, controls described touch screen and enable described electric capacity
Control mode touch mode；
If described operational order is the disabling instruction of described capacitance touching control, controls described touch screen and disable described capacitive touch
Control pattern；Wherein, start electromagnetic touch pattern at described control touch screen and disable described capacitance touching control pattern
Time, the data deletion that described touch screen is received with capacitance touching control pattern, and described touch screen is touched with electromagnetism
The data that control pattern receives are transferred to control system.
2. electromagnetism as claimed in claim 1 and the touch-control changing method of capacitive dual-mode touch screen, its feature exists
In, described control key be power key, volume arrange in key or homepage key any one.
3. electromagnetism as claimed in claim 1 and the touch-control changing method of capacitive dual-mode touch screen, its feature exists
In, described touch-control switching hurdle also includes that electromagnetic touch pattern switches hurdle；Described operational order also includes that electromagnetism touches
Control enables instruction and electromagnetic touch disabling instruction；
The most described according to described operational order, the current control mode touch mode of described touch screen is switched over, specifically wraps
Include:
Described operational order is detected；
If described operational order is described electromagnetic touch enables instruction, control described touch screen enable described electromagnetism touch
Control pattern；
If described operational order is the disabling instruction of described electromagnetic touch, controls the described touch screen described electromagnetism of disabling and touch
Control pattern.
4. electromagnetism as claimed in claim 3 and the touch-control changing method of capacitive dual-mode touch screen, its feature exists
In, described according to described operational order, after the current control mode touch mode of described touch screen is switched over,
The data that described touch screen receives are transferred to control system by application programming interface.
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| CN103559011A (en) * | 2013-11-15 | 2014-02-05 | 联想(北京)有限公司 | Electronic equipment with key indicated output function |
| JP5702511B1 (en) * | 2013-12-03 | 2015-04-15 | ニューコムテクノ株式会社 | Specified position detection device |
| CN104615319B (en) * | 2015-01-26 | 2019-07-02 | 上海卓易科技股份有限公司 | Control the method and terminal device of touch screen priority |
| CN106527830B (en) * | 2016-08-25 | 2020-05-08 | 上海微山电子科技有限公司 | Control method of electromagnetic-capacitor dual-mode touch system |
| CN109739396B (en) * | 2019-01-09 | 2022-06-07 | 浙江强脑科技有限公司 | Execution method of touch instruction of mobile terminal, mobile terminal and readable storage medium |
| CN109992341B (en) * | 2019-03-15 | 2023-05-16 | 努比亚技术有限公司 | Button quick response method, wearable device and computer readable storage medium |
| CN111208917B (en) * | 2019-12-31 | 2022-04-08 | 广州视源电子科技股份有限公司 | Touch data processing method and device, intelligent equipment and storage medium |
| CN111130527A (en) * | 2020-01-17 | 2020-05-08 | 宁波神励乐慧科技有限公司 | Touch mode optional key module and assembling communication method thereof |
| CN112269498B (en) * | 2020-11-17 | 2024-07-12 | 深圳创维－Rgb电子有限公司 | Touch screen detection method and device, touch display device and readable storage medium |
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