CN103279273A - Touch switching method for electromagnetic and capacitive dual-mode touch screen - Google Patents
Touch switching method for electromagnetic and capacitive dual-mode touch screen Download PDFInfo
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- CN103279273A CN103279273A CN2013102426273A CN201310242627A CN103279273A CN 103279273 A CN103279273 A CN 103279273A CN 2013102426273 A CN2013102426273 A CN 2013102426273A CN 201310242627 A CN201310242627 A CN 201310242627A CN 103279273 A CN103279273 A CN 103279273A
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Abstract
The invention discloses a touch switching method for an electromagnetic and capacitive dual-mode touch screen. The touch switching method includes detecting the working state of a control key in real time; controlling the touch screen to display a function switching menu when the detected control key transmits a key signal; controlling the touch screen to enable a capacitive touch mode when the touch screen displays the function switching menu comprising a touch switching bar; enabling the touch screen to receive an operation instruction of a user on the touch switching bar, and controlling the touch screen to close the function switching menu; switching the current touch mode of the touch screen according to the operation instruction. The touch switching method for the electromagnetic and capacitive dual-mode touch screen has the advantages that touch modes of the electromagnetic and capacitive dual-mode touch screen can be freely switched over, mutual interference of capacitive touch data and electromagnetic touch data is prevented, switching operation is simple, new hardware devices are omitted, and assembly procedures and the assembly cost are reduced.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to the touch-control changing method of a kind of electromagnetism and electric capacity bimodulus touch-screen.
Background technology
Along with the development of integrated circuit technique, the kind of portable type electronic product and function are more and more, especially have the intelligent mobile device of touch-screen, and its range of application is also more and more wider.
Touch-screen is called " touch screen ", " contact panel " again, is a kind of induction type liquid crystal indicator that receives input signals such as contact.When the button on user's contact screen or menu, the haptic feedback system on the screen can drive various hookup mechanisms according to the formula of programming in advance, can be in order to the push button panel of dessert machine tool formula, and produce lively visual and sound effects by liquid crystal display picture.
From know-why, the technology that the touch control model of touch-screen adopts comprises: vector pressure sensing technology, resistive technologies, capacitance technology, infrared technology, surface acoustic wave technique and electromagnetic technique etc.
Be the capacitive touch screen of background with the capacitance technology, its principle of work is to stick particulate metal conductive materials of layer of transparent in screen surface; When finger touch was on metal level, the electric capacity of contact will change, and made the oscillator frequency that is attached thereto change, and changed by survey frequency and can determine the touch location acquired information.Because electric capacity changes with the difference of the dielectric strength of contact area, medium, so its less stable tends to produce drift phenomenon.
Along with mobile electronic devices such as panel computer, mobile phone require to improve day by day to the precision of handwriting input, comfort level, aesthetics etc., existing capacitance touch screen technology has been difficult to satisfy its requirement.The electromagnetic touch screen then can address these problems well.Its ultimate principle is in the operating process of dependence time writer and the generation of the inductor under panel changes of magnetic field is differentiated input signal, time writer is signal transmitting terminal (Transceiver), antenna plate is signal receiving end (Receiver), magnetic flux changes when approaching induction, by the operation definition location point.Electromagnetical type touch screen bearing accuracy height, can obtain time writer angle of inclination and pressure information, be convenient to former handwriting, drawing etc., writing experience is similar to traditional pen.But the shortcoming of electromagnetic touch screen is just can write and control by the special electromagnetic felt pen, thereby causes using inconvenience.
Therefore, have the touch-screen of capacitance touching control pattern and electromagnetism control mode touch mode simultaneously, namely the touch-screen of electromagnetism and electric capacity double module touch control arises at the historic moment.By the touch-screen of electromagnetism and electric capacity double module touch control pattern is installed, mobile electronic device both can reach good writing effect by the electromagnetic touch screen, also can directly control mobile electronic device by finger.
Yet, often there are a problem in electromagnetism and electric capacity bimodulus touch-screen: when the user uses the electromagnetic touch pen to write, the root of user's palm tends to touch touch-screen, thereby produces the data of capacitance touching control pattern, and the electromagnetic touch pen has been produced interference in the data that touch-screen produces.Therefore, need when adopting the electromagnetism control mode touch mode to carry out the data input, close the capacitance touching control pattern of touch-screen.
Relevant technical solution has been proposed in the prior art.Wherein a solution is, by increase a kind of " palm touches and suppresses " function at capacitive touch screen, has reached and has reduced the capacitance touching control data to the interference of electromagnetism touch-control data; Another kind of solution is by detecting the distance of electromagnetic touch pen and screen, when this distance reaches certain value, to forbid the capacitance touching control data automatically.
But, in first kind of solution, judge because " palm touch detect " is the area that relies on the palm contact screen, and different people to be when writing, the area of its contact screen has very big-difference, thereby " palm touches and suppresses " detected the standard of judging and be difficult to consistent.And in second kind of solution, the sensitivity of electromagnetic touch pen is limited, usually can only sense the distance about 1 centimetre, and people's writing style is after elder generation is supported on hand on the writing surface usually, just that pen is close, therefore detecting time writer near before the screen, palm has touched on the touch-screen.
Summary of the invention
Technical matters to be solved by this invention is, the touch-control changing method of a kind of electromagnetism and electric capacity bimodulus touch-screen is provided, can realize the flexible switching to the control mode touch mode of touch-screen, avoid the phase mutual interference of the capacitance touching control data that receive on the touch-screen and electromagnetism touch-control data.
For solving above technical matters, the embodiment of the invention provides the touch-control changing method of a kind of electromagnetism and electric capacity bimodulus touch-screen, comprising:
Duty to operating key detects in real time;
When detecting described operating key and send push button signalling, control touch-screen Presentation Function switching menu; And control described touch-screen and when showing described function switching menu, enable the capacitance touching control pattern; Described function switching menu comprises that touch-control switches the hurdle;
Receive the user by described touch-screen described touch-control is switched the operational order on hurdle, and control described touch-screen and close described function switching menu;
According to described operational order, the current control mode touch mode of described touch-screen is switched.
Particularly, described operating key is that power key, volume arrange any one in key or the homepage key.
Preferably, described push button signalling is any one in first trigger pip, second trigger pip, the 3rd trigger pip and the 4th trigger pip.
Further, described touch-control switches the hurdle and comprises that the capacitance touching control pattern switches the hurdle;
Then described according to described operational order, the current control mode touch mode of described touch-screen is switched, specifically comprise:
Described operational order is detected; Described operational order comprise capacitance touching control enable the instruction and the capacitance touching control illegal instruction;
If described operational order is that described capacitance touching control is enabled instruction, controls described touch-screen and enable described capacitance touching control pattern;
If described operational order is described capacitance touching control illegal instruction, controls described touch-screen and forbid described capacitance touching control pattern.
Again further, described touch-control switches the hurdle and comprises that also the electromagnetism control mode touch mode switches the hurdle; Described operational order also comprise the electromagnetism touch-control enable the instruction and the illegal instruction of electromagnetism touch-control;
Then described according to described operational order, the current control mode touch mode of described touch-screen is switched, specifically comprise:
Described operational order is detected;
If described operational order is that described electromagnetism touch-control is enabled instruction, controls described touch-screen and enable described electromagnetism control mode touch mode;
If described operational order is the illegal instruction of described electromagnetism touch-control, controls described touch-screen and forbid described electromagnetism control mode touch mode.
According to described operational order, after the current control mode touch mode of described touch-screen switched, the data that described touch-screen is received were transferred to control system by application programming interface described.
The touch-control changing method of a kind of electromagnetism provided by the invention and electric capacity bimodulus touch-screen, based on the bsp driver of touch-screen and the operation interface on the application layer, operating key on the mobile electronic device is detected in real time, when the duration that the user presses this operating key reaches certain value, the control operating key sends push button signalling, trigger touch-screen Presentation Function switching menu, the user operates by the touch-control on this function switching menu is switched the hurdle, can reach the purpose of the control mode touch mode that switches touch-screen.Therefore, the touch-control changing method of a kind of electromagnetism provided by the invention and electric capacity bimodulus touch-screen, its beneficial effect is, utilize the existing hardware resource (operating key) on the general electronic equipment, start the touch screen functionality switching menu, and by increase touch-control switching hurdle in described function switching menu, realization is freely changed the control mode touch mode of electromagnetism and electric capacity bimodulus touch-screen, avoided the phase mutual interference of capacitance touching control data with electromagnetism touch-control data, the control mode touch mode blocked operation of this method is simple, need not increases new hardware unit, has reduced assembly process and cost.
Description of drawings
Fig. 1 is the schematic flow sheet of an embodiment of the touch-control changing method of a kind of electromagnetism provided by the invention and electric capacity bimodulus touch-screen;
Fig. 2 is the schematic flow sheet of a kind of implementation of the present invention step S105 shown in Figure 1;
Fig. 3 is the schematic flow sheet of another implementation of the present invention step S105 shown in Figure 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described.
In embodiments of the present invention, described electromagnetism and electric capacity bimodulus touch-screen have electromagnetism control mode touch mode and capacitance touching control pattern, therefore, described touch-screen can be operated in any one in electromagnetism and electric capacity double module touch control pattern, electromagnetism control mode touch mode or the capacitance touching control pattern.Particularly, touch-screen carries out initialization according to the enabled state of preserving to its control mode touch mode.
The touch-control changing method of described electromagnetism and electric capacity bimodulus touch-screen comprises:
Duty to operating key detects in real time; When detecting described operating key and send push button signalling, control touch-screen Presentation Function switching menu; And control described touch-screen and when showing described function switching menu, enable the capacitance touching control pattern; Described function switching menu comprises that touch-control switches the hurdle.
Receive the user by described touch-screen described touch-control is switched the operational order on hurdle, and control described touch-screen and close described function switching menu; According to described operational order, the current control mode touch mode of described touch-screen is switched.
Referring to Fig. 1, it is the schematic flow sheet of an embodiment of the touch-control changing method of a kind of electromagnetism provided by the invention and electric capacity bimodulus touch-screen.
Particularly, the touch-control changing method of the electromagnetism that present embodiment provides and electric capacity bimodulus touch-screen may further comprise the steps:
Step S101: the duty to operating key detects in real time.Mobile electronic device or touch-screen self all is provided with operating key and operates with opertaing device, as power key, and the start of its opertaing device or shutdown.Particularly, the purpose that the duty of operating key is monitored in real time is in time to obtain the push button signalling that operating key sends.Therefore, need execution in step S102, judge whether the control message that operating key sends is corresponding push button signalling, to carry out next step corresponding operating control.
Step S102: judge whether described operating key sends push button signalling.
In the present embodiment, described push button signalling can include but not limited to long by message, double-click signal, three and hit in signal or the length alternating signal any one.
Particularly, in one implementation, described push button signalling is first trigger pip.When the user during second, controlled described operating key and sends described first trigger pip greater than T the duration of pressing of described operating key, wherein, T＞0.
The controller of mobile electronic device or touch-screen itself detects described first trigger pip of whether sending of operating key by the time T of pressing of supervisory user to operating key, and is namely long by message.Particularly, the duration of pressing of described operating key, is controlled described operating key and sends described length by message during second greater than T as the user.During concrete enforcement, can time T be arranged according to experience requirements of users.
In another implementation, described push button signalling is second trigger pip; When the user clicks twice continuously to described operating key, control described operating key and send described second trigger pip.Particularly, the user controls it by the double-click operating key and sends trigger pip, to start the function switching menu.
In another implementation, described push button signalling is the 3rd trigger pip; When the user clicks three times continuously to described operating key, control described operating key and send described the 3rd trigger pip.Need to prove that the embodiment of the invention can be controlled described operating key and send trigger pip by the repeatedly continuously click of user to operating key.
In another implementation, described push button signalling is the 4th trigger pip; When the user clicks described operating key to the duration of pressing of described operating key again greater than M after second, control described operating key and send described the 4th trigger pip, wherein M＞0.During concrete enforcement, the user can be identical with time T to the duration M that presses of operating key, by one " the long signal of the pressing " combination with " the short signal of pressing ", the function switching menu triggered the push button signalling that shows as operating key.
When detecting described operating key and send relevant push button signalling, execution in step S103; When not detecting described push button signalling, continue execution in step S101, the duty of operating key is detected in real time.
Step S103: control touch-screen Presentation Function switching menu; And control described touch-screen and when showing described function switching menu, enable the capacitance touching control pattern; Described function switching menu comprises that touch-control switches the hurdle.
During concrete enforcement, when the user presses the operating key of mobile electronic device or touch-screen itself and sends corresponding push button signalling, the control touch-screen ejects or shows that a function switching menu, this function switching menu comprise that touch-control switches the hurdle, are used for the control mode touch mode of touch-screen is switched.Need to prove that this function switching menu can also include but not limited to that shutdown, function such as quiet switch selectionbar.Further, when touch-screen shows this function switching menu, force to enable the capacitance touching control pattern of touch-screen, make the user can operate the displaying contents of touch-screen by non-special-purpose touch control devices such as fingers.
Preferably, described operating key is that power key, volume arrange any one in key or the homepage key.Need to prove that described operating key includes but not limited to above-described button in the specific implementation.
Further, in the present embodiment, described touch-control switches the hurdle and comprises capacitance touching control pattern switching hurdle.
Referring to Fig. 2, the schematic flow sheet of a kind of implementation of the step S105 that the present invention is shown in Figure 1.
Described step S105 then namely according to described operational order, switches the current control mode touch mode of described touch-screen, specifically comprises:
Step S201: described operational order is detected; Described operational order comprise capacitance touching control enable the instruction and the capacitance touching control illegal instruction; If described operational order is that capacitance touching control is enabled instruction, execution in step S202 then; If described operational order is the capacitance touching control illegal instruction, execution in step S203 then.
Step S202: control described touch-screen and enable described capacitance touching control pattern.
Step S203: control described touch-screen and forbid described capacitance touching control pattern.
Particularly, when the switching of the capacitance touching control pattern that realizes touch-screen, need not to consider whether the electromagnetism control mode touch mode of touch-screen is in initiate mode, realize the control to the capacitance touching control pattern.During concrete enforcement, its principle of work is: can be by the state variable Enable of types such as Boolean type or character type be set, and by it being carried out assignment, with the various states of the capacitance touching control pattern of distinguishing touch-screen.For example, when the capacitance touching control pattern of touch-screen is enabled state (initiate mode), be " 1 " to state variable Enable assignment; When the capacitance touching control pattern of touch-screen is disabled status, be " 0 " to state variable Enable assignment.Therefore, can judge user's blocked operation and the state of the capacitance touching control pattern after user's switching, with the switching of control touch-screen to the capacitance touching control pattern by the currency of detected state variable Enable.
Further, described touch-control switches the hurdle and comprises that also the electromagnetism control mode touch mode switches the hurdle.Described operational order also comprise the electromagnetism touch-control enable the instruction and the illegal instruction of electromagnetism touch-control.
Referring to Fig. 3, it is the schematic flow sheet of another implementation of the present invention step S105 shown in Figure 1.
Then described step S105 is namely described according to described operational order, and the current control mode touch mode of described touch-screen is switched, and specifically comprises:
Step S301: described operational order is detected.If described operational order is that described electromagnetism touch-control is enabled instruction, execution in step S302; If described operational order is the illegal instruction of described electromagnetism touch-control, execution in step S303.
Step S302: control described touch-screen and enable described electromagnetism control mode touch mode.
Step S303: control described touch-screen and forbid described electromagnetism control mode touch mode.
Particularly, when the switching of the electromagnetism control mode touch mode of realizing touch-screen, need not to consider whether the capacitance touching control pattern of touch-screen is in initiate mode, realize the control to the electromagnetism control mode touch mode.During concrete enforcement, when described control touch-screen is forbidden described capacitance touching control pattern, the data deletion that described touch-screen is received with the capacitance touching control pattern, and give described control system with described touch-screen with the data transmission that the electromagnetism control mode touch mode receives.
In the present embodiment, its principle of work can be identical with the realization principle of work of capacitance touching control pattern.
Therefore, in the present embodiment, can switch the hurdle by touch-control, the control touch-screen is in four kinds of different touch-control states respectively: (1) capacitance touching control pattern is opened, and the electromagnetism control mode touch mode is opened; (2) the capacitance touching control pattern is closed, but the electromagnetism control mode touch mode is opened; (3) the capacitance touching control pattern is opened, but the electromagnetism control mode touch mode is closed; (4) the capacitance touching control pattern is closed, and the electromagnetism control mode touch mode is closed.The user can be according to the practical application needs, by the touch-control on the function switching menu is switched the hurdle, the control mode touch mode of touch-screen are arranged.
Further, in the present embodiment, after described step S105, namely described according to described operational order, after the current control mode touch mode of described touch-screen switched, the data that described touch-screen is received are transferred to control system by application programming interface (Application Programming Interface is called for short API).
API is the calling interface that operating system is left application program for, and the API of application program by the call operation system makes the order (action) that operating system can executive utility, need not the details of visiting source code or understanding internal work mechanism.Make and carry out in the process of control mode touch mode switching at the control touch-screen, reduce server retrieves data burden, reduction retrieve data flow process etc., inquire about various data more efficiently.
The touch-control changing method of a kind of electromagnetism that the embodiment of the invention provides and electric capacity bimodulus touch-screen, based on the bsp driver of touch-screen and the operation interface on the application layer, push button signalling to the operating key on the mobile electronic device detects in real time, control touch-screen ejection function switching menu after detecting push button signalling, the user can be switched according to the control mode touch mode of practical application needs to touch-screen.
The touch-control changing method of the electromagnetism that the embodiment of the invention provides and electric capacity bimodulus touch-screen, utilize the existing hardware resource (as power key) on the electronic equipment, start the touch screen functionality switching menu, and on described function switching menu increase touch-control switching hurdle, realize the control mode touch mode of electromagnetism and electric capacity bimodulus touch-screen is freely changed by computer program, avoided the phase mutual interference of capacitance touching control data that touch-screen produces and electromagnetism touch-control data, blocked operation is simple, and need not increases new hardware unit, has reduced assembly process and cost.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (9)
1. at the touch-control changing method of a kind of electromagnetism and electric capacity bimodulus touch-screen, it is characterized in that, comprising:
Duty to operating key detects in real time;
When detecting described operating key and send push button signalling, control touch-screen Presentation Function switching menu; And control described touch-screen and when showing described function switching menu, enable the capacitance touching control pattern; Described function switching menu comprises that touch-control switches the hurdle;
Receive the user by described touch-screen described touch-control is switched the operational order on hurdle, and control described touch-screen and close described function switching menu;
According to described operational order, the current control mode touch mode of described touch-screen is switched.
2. the touch-control changing method of electromagnetism as claimed in claim 1 and electric capacity bimodulus touch-screen is characterized in that, described push button signalling is first trigger pip;
When the user during second, controlled described operating key and sends described first trigger pip greater than T the duration of pressing of described operating key, wherein, T＞0.
3. the touch-control changing method of electromagnetism as claimed in claim 1 and electric capacity bimodulus touch-screen is characterized in that, described push button signalling is second trigger pip;
When the user clicks twice continuously to described operating key, control described operating key and send described second trigger pip.
4. the touch-control changing method of electromagnetism as claimed in claim 1 and electric capacity bimodulus touch-screen is characterized in that, described push button signalling is the 3rd trigger pip;
When the user clicks three times continuously to described operating key, control described operating key and send described the 3rd trigger pip.
5. the touch-control changing method of electromagnetism as claimed in claim 1 and electric capacity bimodulus touch-screen is characterized in that, described push button signalling is the 4th trigger pip;
When the user clicks described operating key to the duration of pressing of described operating key again greater than M after second, control described operating key and send described the 4th trigger pip, wherein M＞0.
6. as the touch-control changing method of each described electromagnetism of claim 1 ~ 5 and electric capacity bimodulus touch-screen, it is characterized in that described operating key is that power key, volume arrange any one in key or the homepage key.
7. the touch-control changing method of electromagnetism as claimed in claim 6 and electric capacity bimodulus touch-screen is characterized in that, described touch-control switches the hurdle and comprises capacitance touching control pattern switching hurdle;
Then described according to described operational order, the current control mode touch mode of described touch-screen is switched, specifically comprise:
Described operational order is detected; Described operational order comprise capacitance touching control enable the instruction and the capacitance touching control illegal instruction;
If described operational order is that described capacitance touching control is enabled instruction, controls described touch-screen and enable described capacitance touching control pattern;
If described operational order is described capacitance touching control illegal instruction, controls described touch-screen and forbid described capacitance touching control pattern.
8. the touch-control changing method of electromagnetism as claimed in claim 7 and electric capacity bimodulus touch-screen is characterized in that, described touch-control switches the hurdle and comprises that also the electromagnetism control mode touch mode switches the hurdle; Described operational order also comprise the electromagnetism touch-control enable the instruction and the illegal instruction of electromagnetism touch-control;
Then described according to described operational order, the current control mode touch mode of described touch-screen is switched, specifically comprise:
Described operational order is detected;
If described operational order is that described electromagnetism touch-control is enabled instruction, controls described touch-screen and enable described electromagnetism control mode touch mode;
If described operational order is the illegal instruction of described electromagnetism touch-control, controls described touch-screen and forbid described electromagnetism control mode touch mode.
9. the touch-control changing method of electromagnetism as claimed in claim 8 and electric capacity bimodulus touch-screen, it is characterized in that, described according to described operational order, after the current control mode touch mode of described touch-screen switched, the data that described touch-screen is received were transferred to control system by application programming interface.
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| CN109992341A (en) * | 2019-03-15 | 2019-07-09 | 努比亚技术有限公司 | Button fast response method, wearable device and computer readable storage medium |
| CN111208917A (en) * | 2019-12-31 | 2020-05-29 | 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 |
| CN112269498A (en) * | 2020-11-17 | 2021-01-26 | 深圳创维－Rgb电子有限公司 | Touch screen detection method and device, touch display equipment and readable storage medium |
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