CN103927028A - Method for achieving side key function of electromagnetic touch pen - Google Patents
Method for achieving side key function of electromagnetic touch pen Download PDFInfo
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Abstract
The embodiment of the invention discloses a method for achieving the side key function of an electromagnetic touch pen. The method is suitable for an electromagnetic touch screen provided with an Android system. A configuration array is arranged in a driver, and corresponding event values of different operations of a side key are stored in the configuration array. When one operation of the side key is configured to achieve the function of an ordinary key already defined in Linux, the corresponding event value is set as the value of the ordinary key defined in Linux; when one operation of the side key is configured to operate an application program, the corresponding event value is set as the value of a special key defined in Linux. The method includes the steps that firstly, one operation of the side key is detected, and a key event is simulated according to the event value corresponding to the operation in the configuration array; secondly, when the key event corresponds to the ordinary key, the key event is executed; thirdly, when the key event corresponds to the special key, the corresponding application program is operated.
Description
Technical field
The present invention relates to a kind of implementation method of electronic equipment accessory functions, relate in particular to a kind of method that realizes an electromagnetic touch side key function.
Background technology
At current existing panel computer and mobile phone etc., have on the equipment of electromagnetic touch screen, all user interactions are undertaken by touch-screen substantially.For example, on a touch-screen equipment with Android system, open certain application program and can realize by clicking the icon of this application; Exit certain application or turn back to last layer application, can realize by clicking the return key in the screen lower left corner; If exit whole programs, get back to desktop, can realize by clicking the Home key in the screen lower left corner.But complete these action need moveable fingers, thereby affect efficiency, cause user to experience bad.
Therefore, for easy to use, give an electromagnetic touch pen of equipment configuration with electromagnetic touch screen, and set up on described electromagnetic touch pen, as the function buttons such as erasing rubber, side key can reduce the movement that user points when using touch-screen.Commonly described side key is used for selecting operation, in when editor, pins side key and drag and automatically enter frame lectotype.Due to the characteristic of electromagnetic touch pen, when pen can be sensed during near touch-screen, but now nib is without pressure, and described electromagnetic touch pen stops state in revolving.In existing design, for the equipment with Android system, in revolving the side key stopping under state, be non-functional, this is not fully played side key.
Summary of the invention
Embodiment of the present invention technical matters to be solved is, a kind of method that realizes an electromagnetic touch side key function is provided, be applicable to have the electromagnetic touch screen of Android system, can make a described electromagnetic touch side key stop also can realize certain function under state revolving, further reduce the movement that user points when using touch-screen equipment.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of method that realizes an electromagnetic touch side key function, described electromagnetic touch pen is applicable to have the electromagnetic touch screen of Android system, it is characterized in that, in driving, the kernel of described Android system layer comprises a configuration array, in described configuration array, storing the event value corresponding with described side key different operating, when an operation of described side key is configured to realize the function of the common key-press that has had definition in Linux, corresponding event value is just made as the value that described common key-press defines in Linux, when an operation of described side key is configured to move an application program, corresponding event value is set as the value that a special key defines in Linux, the described method that realizes an electromagnetic touch side key function comprises step:
S1, detects the operation of described side key, and according in described configuration array with the event value analogue-key event of described operational correspondence;
S2, when described key-press event corresponding be described common key-press time, carry out described key-press event;
S3, when described key-press event corresponding be described special key time, move corresponding application program.
Further, described common key-press comprises return key, Home key, Menu key, search key, and described special key comprises F13 to F24.
Further, before step S1, drive initialization, described initialization comprises step:
S01, for described electromagnetic touch pen distributes an input equipment, and is made as 1 by the corresponding position of all support buttons in described input equipment;
S02, creates a delay dispatching task, for analogue-key event;
S03, creates a system interface file, for to described configuration array writing information.
Especially, described operation comprises that described side key is no less than click once.
Further, described side key has current state and two attributes of laststate, and each attribute has to be pressed and does not press two states, and described step S1 specifically comprises step:
S11, whether the pen point pressure that detects described electromagnetic touch pen is 0, if enter step S12, otherwise enters step S110;
Whether S12, detect described side key current state for pressing, and if yes then enter step S13, otherwise enters step S15;
S13, judges whether the laststate of described side key is for not pressing, and if yes then enter step S14, otherwise enters step S110;
S14, cancels described delay dispatching task, and the laststate of described side key is set to press, and records the moment of pressing;
S15, judges that the laststate of described side key, whether for pressing, if enter step S16, otherwise enters step S110;
S16, record the moment that described side key discharges, and the laststate that side key is set is not for pressing;
S17, presses described in judgement constantly and whether described mistiming between discharging is constantly less than a default duration, if yes then enter step S18, otherwise enters step S19;
S18, adds 1 for recording the counter of described side key number of clicks, and by carrying out delay dispatching task simulation one-touch number of times and recording the corresponding key-press event of numerical value in described counter, enters step S110;
S19, counter described in zero clearing;
S110, finishes.
Further, described method comprises by Settings is set provides configuration interface for user, specifically be included in topology file and increase at least one control, each control provides an option to user, and the operation of each side key is at most corresponding with a described option.
Further, realize described configuration interface and comprise step:
S41, according to current configuring condition, initial configuration interface;
S42, waits for that user selects;
S43, judges whether running application of user's selection, if yes then enter step S44, otherwise enters step S47;
S44, obtains the application list, ejects a dialog box and selects for user;
S45, waits for that user selects;
S46, bag name and the class name of the application program that recording user is selected, and the name of application program is presented in configuration interface;
S47, the option of selecting according to user generates corresponding character string and is written in system interface file, and store configuration information;
S48, finishes.
Further, in step S47, according to n, the form of val generates corresponding character string and writes in described system interface file, and wherein n represents that described side key clicked n+1 time, and val represents corresponding to the event value of clicking the operation of n+1 click.
Further, parameter in described configuration array is set to start shooting and automatically loads, specifically comprise that radio receiver of registration is for receiving start broadcast, when described in system call during radio receiver, according to the configuration information of storage, generate a character string and be written in corresponding system interface file.
Further, described method is only processed number of clicks and is not more than 5 operation, and click with described side key respectively, double-click, three hit, four hit, the event value of five operational correspondences that hit is set to special key F13, F14, F15, F16, F17 define in Linux value.
The embodiment of the present invention also provides a kind of electromagnetic touch pen, nib has pressure transducer, it is characterized in that, in described electromagnetic touch pen, comprise electromagnetic signal emitting device, the penholder of described electromagnetic touch pen is provided with the side key that can click, described electromagnetic signal emitting device can be converted into electromagnetic signal by the operation of described side key and pass to external unit, so that described external unit according to described electromagnetic signal, is carried out the above-mentioned method that realizes an electromagnetic touch side key function.
The embodiment of the present invention also provides a kind of equipment with electromagnetic touch screen, described equipment has electromagnetic signal receiving trap, described electromagnetic signal receiving trap is for receiving the electromagnetic signal that external unit is sent, described equipment has the circuit board of building Android system, and described circuit board is for carrying out the above-mentioned method that realizes an electromagnetic touch side key function.
Implement the embodiment of the present invention, there is following beneficial effect:
1, enriched and revolved the function of stopping electromagnetic touch pen under state.
2, realized the function of opening application program by clicking side key.
3, reduce the movement of user's finger when operation, improve the efficiency of operation.
4, for user provides the interactive interface that configures described side key.
5, user can arrange described electromagnetic touch pen according to the custom of oneself.
6, start loads data automatically, manual loading during without each start.
Accompanying drawing explanation
Fig. 1 is the driving initialization flowchart of one embodiment of the invention;
Fig. 2 is the process flow diagram of one embodiment of the invention;
Fig. 3 is the process flow diagram of another embodiment of the present invention;
Fig. 4 is the process flow diagram of analogue-key event in one embodiment of the invention;
Fig. 5 is the schematic diagram of realizing configuration interface of one embodiment of the invention;
Fig. 6 is that one embodiment of the invention is at the process flow diagram of realizing side key functional configuration;
Fig. 7 is the process flow diagram of one embodiment of the invention when intercepting and capturing key-press event.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
Electromagnetic touch pen of the present invention is applicable to have the equipment of electromagnetic touch screen, and for convenience of using, described electromagnetic touch pen is provided with the function buttons such as erasing rubber.
Concrete, in embodiments of the present invention, the nib of described electromagnetic touch pen has pressure transducer, in described electromagnetic touch pen, comprise electromagnetic signal emitting device, the penholder of described electromagnetic touch pen is provided with the side key that can click, described electromagnetic signal emitting device can be converted into electromagnetic signal by the operation of described side key and pass to external unit, so that described external unit according to described electromagnetic signal, is carried out the method that realizes an electromagnetic touch side key function of describing in following embodiment.Accordingly, in the described equipment with electromagnetic touch screen, be provided with electromagnetic signal receiving trap, described electromagnetic signal receiving trap can be used for receiving the electromagnetic signal that external unit is sent, the described equipment with electromagnetic touch screen also has the circuit board of the operating system of building, and described circuit board can be used for carrying out the method that realizes an electromagnetic touch side key function of describing in following embodiment.
To take below and in Android system, realize the inventive method as example, introduce in detail the present invention.First need the kernel layer of revising described electromagnetic touch screen to drive.Fig. 1 is the driving initialization flowchart of one embodiment of the invention, and as shown in Figure 1, initialization drives and comprises the following steps:
S01, using input_allocate_device function is that described electromagnetic touch pen distributes an input equipment dev, and use _ setbit function is made as 1 by the corresponding position of the button of supporting in dev;
S02, creates a delay dispatching task, and described delay dispatching task can be by input_report_key and input_sync functional simulation key-press event;
S03, is used diver_create_file to create a system interface file sys, and described system interface file sys is used for to described configuration array writing information.
After initialization drives, described electromagnetic touch screen can be identified the x of described electromagnetic touch pen, and y coordinate can obtain the information such as state of the pressure p of a described electromagnetic touch nib, the state of side key and erasing rubber.In order to realize the method for the invention, outside driving initialization, also need in driving, increase a configuration array keys, wherein storing the event value keycode corresponding with described side key different operating.When an operation of described side key is configured to realize the function of the common key-press that has had definition in Linux, corresponding event value is just made as the value that described common key-press defines in Linux, and wherein said common key-press refers to return key, Home key, Menu key, search key etc.When an operation of described side key is configured to start a certain application program, corresponding event value is made as the value of a special key for existing definition in Linux.Wherein said special key refers to comprise the key of F13 to F24 etc.
Give one example, if being side key, the operation that in described configuration array, first element is corresponding clicks, and we want the functional configuration of this operational correspondence for returning to last layer, it is the function of return key, if return key is existing definition in the include/linux/input.h file in Linux source code path, and value is 1, so described configuration array is by with keys[0]=1 form records this corresponding relation.
After setting configuration array, by step shown in Fig. 2, just can realize the function of a described electromagnetic touch side key.As shown in Figure 2, in one embodiment of the invention, the method that realizes a described electromagnetic touch side key function comprises the following steps:
S1, detects the operation of described side key, and according in described configuration array with the event value analogue-key event of described operational correspondence;
S2, when described key-press event corresponding be describedly in Linux, during defined common key-press, to carry out described key-press event;
S3, when described key-press event corresponding be describedly in Linux, during defined special key, to start corresponding application program.
Concrete, the event of analogue-key described in step S1 refers to, to system, sends a signal, certain button of indication mechanism is clicked.In an embodiment of the present invention, the operation of described side key is given directions and is hit side key, and what affect side key function is the number of times of click keys.In the embodiment shown in fig. 3, described operation refers to press described side key and at a predetermined duration, such as 200ms, with interior release, if the 200ms after release is with the another one click of interior generation, think that number of clicks adds 1, while surpassing 200ms to the time that certain compressing time surpasses 200ms or release, depending on this clicking operation, finish.In addition, described side key has current state ss and two attributes of laststate sslast, and has and press and do not press two states, represents respectively with 1,0.Fig. 3 is the process flow diagram of one embodiment of the invention, specifically comprises step:
S11, detects described electromagnetic touch pen and whether in revolving, stops state, and whether the pen point pressure p that detects described electromagnetic touch pen is 0, if enter step S12, otherwise enters step S110;
Whether S12, detect a described electromagnetic touch side key current state ss for pressing, and if yes then enter step S13, otherwise enters step S15;
S13, judges that the laststate sslast of described side key, whether for not pressing, if yes then enter step S14, otherwise enters step S110;
S14, cancels described delay dispatching task, and the laststate sslast of described side key is set to press, the moment tdown that record is pressed;
S15, judges whether the laststate sslast of described side key is for pressing, if enter step S16, otherwise enters step S110;
S16, preserve the time tup that described side key discharges, and the laststate sslast that side key is set is not for pressing;
S17, presses tdown constantly described in judgement and whether is less than 200ms with the described mistiming discharging between moment tup, if yes then enter step S18, otherwise enters step S19;
S18, adds 1 for recording the counter count of described side key number of clicks, by carrying out delay dispatching task simulation one-touch number of times, records the corresponding key-press event of numerical value with described counter count, enters step S110;
S19, counter count described in zero clearing;
S110, processing finishes.
In step S18, as shown in Figure 4, simulation one-touch number of times is that in described counter count, to record the specific implementation step of key-press event of numerical value as follows:
S021, judges whether the value recording in described counter count is greater than 0, if yes then enter step S022, otherwise enters step S028;
S022, judges whether the value recording in described counter count is greater than the number of element in configuration array keys, if enter step S023, otherwise enters step S024;
S023, is assigned to described counter count by number of elements in configuration array keys;
S024, finds out event value corresponding with the value of described counter count record in described configuration array keys;
S025, judges that whether described event value keycode is greater than 0, if yes then enter step S026, otherwise enters step S028;
S026, is used the key-press event that input_report_key and key assignments of input_sync functional simulation are described event value;
S027, zero clearing counter count;
S028, processing finishes.
For the setting of more convenient user to described side key function, also comprise in one embodiment of the invention by Settings is set and provide configuration interface for user.In configuration interface as shown in Figure 5, user can double-click an operation of side key as side key, be set to realize the function of return key, Home key, Menu key, search key, or be set to run application.What select as user is while running application, and can eject a dialog Bar and enumerate current whole mounted application program and select for user.When what a application program user selects after, below can running application at described configuration interface, show the title of described application program.Under the PEN of the language & input of this part function in Settings, realize.First in topology file language_settings.xml, increase ListPreference control and list some options to user, the content of option is the function that side key operation wish realizes, for example, realize the function of return key.One of described side key operation only with described option in one set up corresponding relation.When user has selected after an option, the inventive method is deposited into key value in the property that is called persist.sys.emsw.n and goes by SystemProperties.set, and wherein n is relevant to number of clicks.Meanwhile, according to user-selected option, with " n; val " form, generate a character string and be written into electromagnetic touch screen and drive in the system interface file sys providing, the meaning representing is that, when there is the operation of clicking for n+1 time, simulation produces the key-press event that a sub-value is val.For example, if when user is configured to search key by side key double-click, generates a character string " 1,217 " and be written in described system interface file, wherein 1 operation that represents to double-click side key, 217 values that define in linux for search key.In the store function driving, by sscanf (buf, " %d, %d ", & n, & val) can parse the value of n and val, then val is assigned to element corresponding in configuration array keys, i.e. keys[n]=val.Except writing character string to described system interface file, also need in ueventd.rc, increase the system access limit of correspondence system interface document.
Fig. 6 be one embodiment of the invention at the process flow diagram of realizing side key functional configuration, comprise step:
S41, according to current configuring condition, according to value initialization's configuration interface of persist.sys.emsw.n, the number of clicks that wherein n is described side key;
S42, waits for that user selects;
S43, judges whether running application of user's selection, if yes then enter step S44, otherwise enters step S47;
S44, obtains the application list by PackageManager, ejects a dialog box and selects for user;
S45, waits for that user selects;
S46, bag name package and the class name class of the application program that recording user is selected, and the name of application program is presented in configuration interface;
S47, the project of selecting according to user, generates corresponding character string and is written in sys file according to the form of " n, val ", and result being deposited in the property of persist.sys.emsw.n;
S48, configuration finishes.
In one embodiment of the invention, only having processed side key five hits with interior operation, the value that concrete described side key respectively clicks, double-clicks, three hit, four hit, the event value of five operational correspondences that hit is set to special key F13, F14, F15, F16, F17 define in Linux source code path, be KEY_F13, KEY_F14, KEY_F15, KEY_F16, KEY_F17.If user hits by three the application program that operation setting is running package package by name and class class by name, record persist.sys.emsw.2=KEY_F15, persist.sys.emsw.F15.p=package, persist.sys.emsw.F15.c=class.Also need to revise the interceptKeyBeforeQueueing function in the PhoneWindowManager.java file of framework of Android simultaneously, in this function, tackle the special key of above-mentioned appointment.When finding specified button, check whether corresponding persist.sys.emsw.Fxx.p and persist.sys.emsw.Fxx.c arrange corresponding bag name and class name, the special key that wherein Fxx representative is intercepted and captured, such as F13 or F14 etc.If all effective, use Intent.setClassName to create an intent, then use Context.startActivity to start such.Fig. 7 is the process flow diagram of one embodiment of the invention when intercepting and capturing key-press event, comprises step:
S31, judges that whether described key-press event is corresponding with any one in F13～F17, if yes then enter step S32, otherwise enters step S34;
S32, checks that whether persist.sys.emsw.Fxx.p and persist.sys.emsw.Fxx.c be effective, if had, enters step S33, otherwise enters step S34;
S33, creates corresponding intent according to persist.sys.emsw.Fxx.p and persist.sys.emsw.Fxx.c, and starts application program;
S34, finishes.
Because configuration parameter is kept at Android layer, therefore also need to when starting, Android system configuration parameter be written to automatically in the sys file of Linux.This can receive by the BroadcastReceiver of Android start broadcast Intent.ACTION_BOOT_COMPLETED and realize.Specifically be included in the radio receiver of registering an Intent.ACTION_BOOT_COMPLETED in the file AndroidManifest.xml of Settings application program of Android, when system has started, can this receiver of Automatically invoked.When described in system call during radio receiver, in radio receiver, according to character string of persist.sys.emsw.n value generation of storage, be written to the start that can realize configuration parameter in corresponding system interface file and automatically load.
Although it should be pointed out that in the embodiment of the present invention it is all the implementation method under Android system, can not limit with this interest field of the present invention, therefore according to spirit of the present invention, be applicable to the equivalent variations under other system, still belong to the scope that the present invention is contained.
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 (10)
1. a method that realizes an electromagnetic touch side key function, described electromagnetic touch pen is applicable to have the electromagnetic touch screen of Android system, it is characterized in that, in driving, the kernel of described Android system layer comprises a configuration array, in described configuration array, storing the event value corresponding with described side key different operating, when an operation of described side key is configured to realize the function of the common key-press that has had definition in Linux, corresponding event value is just made as the value that described common key-press defines in Linux, when an operation of described side key is configured to move an application program, corresponding event value is set as the value that a special key defines in Linux, the described method that realizes an electromagnetic touch side key function comprises step:
S1, detects the operation of described side key, and according in described configuration array with the event value analogue-key event of described operational correspondence;
S2, when described key-press event corresponding be described common key-press time, carry out described key-press event;
S3, when described key-press event corresponding be described special key time, move corresponding application program.
2. method according to claim 1, is characterized in that, described common key-press comprises return key, Home key, Menu key, search key, and described special key comprises F13 to F24.
3. method according to claim 1, is characterized in that, before step S1, drive initialization, described initialization comprises step:
S01, for described electromagnetic touch pen distributes an input equipment, and is made as 1 by the corresponding position of all support buttons in described input equipment;
S02, creates a delay dispatching task, for analogue-key event;
S03, creates a system interface file, for to described configuration array writing information.
4. method according to claim 1, it is characterized in that, described operation comprises that described side key is no less than click once, and described side key has current state and two attributes of laststate, each attribute has to be pressed and not to press two states, and described step S1 specifically comprises step:
S11, whether the pen point pressure that detects described electromagnetic touch pen is 0, if enter step S12, otherwise enters step S110;
Whether S12, detect described side key current state for pressing, and if yes then enter step S13, otherwise enters step S15;
S13, judges that the laststate of described side key, whether for not pressing, if yes then enter step S14, otherwise enters step S110;
S14, cancels described delay dispatching task, and the laststate of described side key is set to press, and records the moment of pressing;
S15, judges that the laststate of described side key, whether for pressing, if enter step S16, otherwise enters step S110;
S16, record the moment that described side key discharges, and the laststate that side key is set is not for pressing;
S17, presses described in judgement constantly and whether described mistiming between discharging is constantly less than a default duration, if yes then enter step S18, otherwise enters step S19;
S18, adds 1 for recording the counter of described side key number of clicks, and by carrying out delay dispatching task simulation one-touch number of times and recording the corresponding key-press event of numerical value in described counter, enters step S110;
S19, counter described in zero clearing;
S110, finishes.
5. method according to claim 1, it is characterized in that, described method comprises by Settings is set provides configuration interface for user, specifically be included in and in topology file, increase at least one control, each control provides an option to user, and the operation of each side key is at most corresponding with a described option.
6. method according to claim 5, is characterized in that, realizes described configuration interface and comprises step:
S41, according to current configuring condition, initial configuration interface;
S42, waits for that user selects;
S43, judges whether running application of user's selection, if yes then enter step S44, otherwise enters step S47;
S44, obtains the application list, ejects a dialog box and selects for user;
S45, waits for that user selects;
S46, bag name and the class name of the application program that recording user is selected, and the name of application program is presented in configuration interface;
S47, the option of selecting according to user generates corresponding character string and is written in system interface file, and store configuration information;
S48, finishes.
7. method according to claim 1, it is characterized in that, parameter in described configuration array is set to start shooting and automatically loads, specifically comprise that radio receiver of registration is for receiving start broadcast, when described in system call during radio receiver, according to the configuration information of storage, generate a character string and be written in corresponding system interface file.
8. method according to claim 2, it is characterized in that, described method is only processed number of clicks and is not more than 5 operation, and click with described side key respectively, double-click, three hit, four hit, the event value of five operational correspondences that hit is set to special key F13, F14, F15, F16, F17 define in Linux value.
9. an electromagnetic touch pen, nib has pressure transducer, it is characterized in that, in described electromagnetic touch pen, comprise electromagnetic signal emitting device, the penholder of described electromagnetic touch pen is provided with the side key that can click, described electromagnetic signal emitting device can be converted into electromagnetic signal by the operation of described side key and pass to external unit, so that described external unit is according to described electromagnetic signal, and the arbitrary described method of right of execution 1-8.
10. one kind has the equipment that electromagnetic touch shields, it is characterized in that, described equipment has electromagnetic signal receiving trap, described electromagnetic signal receiving trap can receive the electromagnetic signal that external unit is sent, described equipment also has the circuit board of building Android system, and described circuit board can be used for realizing the arbitrary described method of claim 1-8.
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| CN107544742B (en) * | 2016-06-28 | 2020-10-20 | 富泰华工业（深圳）有限公司 | Control method and electronic device thereof |
| CN110764680A (en) * | 2018-07-25 | 2020-02-07 | 北京京东金融科技控股有限公司 | Method and device for generating simulation keyboard, electronic equipment and computer readable medium |
| CN110764680B (en) * | 2018-07-25 | 2022-12-27 | 京东科技控股股份有限公司 | Method and device for generating simulated keyboard, electronic equipment and computer readable medium |
| CN109743692A (en) * | 2018-12-28 | 2019-05-10 | 深圳Tcl新技术有限公司 | Acquisition methods, system and the computer readable storage medium of bluetooth hot spot information |
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| CN114780179A (en) * | 2022-06-21 | 2022-07-22 | 深圳市华曦达科技股份有限公司 | Key response method and device for android system |
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