CN103186267A - Method and device for calibrating touch screen - Google Patents
Method and device for calibrating touch screen Download PDFInfo
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- CN103186267A CN103186267A CN2011104543821A CN201110454382A CN103186267A CN 103186267 A CN103186267 A CN 103186267A CN 2011104543821 A CN2011104543821 A CN 2011104543821A CN 201110454382 A CN201110454382 A CN 201110454382A CN 103186267 A CN103186267 A CN 103186267A
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Abstract
The invention discloses a method for calibrating a touch screen. The method comprises the following steps of: (1) after terminal equipment is started up, searching whether a calibrating data file exists, performing a step (2) if the calibrating data file does not exist, otherwise, performing a step (4); (2) after startup is finished, automatically launching a touch screen calibrating program, prompting a user to perform touch screen calibration, and reading calibrating data from a hardware processing unit by using a touch screen driving program after calibration is finished; (3) generating a calibrating data file according to the calibrating data read from the hardware processing unit; and (4) writing the calibrating data in the calibrating data file into the hardware processing unit. If the user finds that the touch screen works abnormally, the touch screen calibrating program is started to recalibrate the touch screen. The method has the advantages that the calibrated touch screen calibrating data are saved in a calibrating data file, and calibration is not required to be performed at certain time intervals or during each wake-up of a mobile phone.
Description
Technical field
The present invention relates to electronic information technical field, relate in particular to a kind of touch screen calibration method and device.
Background technology
Along with growing with each passing day of multimedia information inquiry, the application of touch-screen is more and more general.Because touch-screen is as a kind of novel computer entry device, it is to use one of simple, convenient, natural a kind of man-machine interaction mode at present, utilize touch screen technology, the user needs only icon or the literal touched lightly on the display screen with finger just can realize the operation to electronic equipment, thereby makes man-machine interaction more simple and direct.At present, this series products all needs to calibrate before normal the use, and to guarantee the accuracy of product under current environment (environment comprises: weather, weather, external disturbance such as electromagnetism), accuracy refers to the corresponding relation between operating area and the operating function.Calibrating handset touch panel with the Android platform is example, and android mobile phone capacitance touch screen generally has two kinds of methods on the problem of calibration now:
1, certain interval of time (such as 1 second) calibration once.Time-consuming and the occupying system resources of this method also uses the user and brings certain influence, if water is arranged on the touch screen, dries and recovers slow, can't recover sometimes.
Calibration when 2, each mobile phone wakes up.This method has reduced occupying system resources, if but water just being arranged on the touch screen before waking up, can be calibrated to water in the basic parameter so undoubtedly, after the user dries water like this, touch screen just can't use, and can only sleep again and wake up, the user is used bring very big inconvenience.
Summary of the invention
Technical matters to be solved by this invention is, a kind of touch screen calibration method and device are provided, solve prior art when touch screen calibration, adopt the certain interval of time calibration once, time-consuming and occupying system resources uses the user and to bring certain influence, if water is arranged on the touch screen, dry and recover slow, can't recover sometimes; Or adopt each mobile phone to wake up time calibration, if water was just arranged on the touch screen before waking up, can be calibrated to water in the basic parameter, after the user dries water, touch screen just can't use, and can only sleep again and wake up, and the user is used the problem of very big inconvenience of bringing.
In order to address the above problem, the invention provides a kind of touch screen calibration method, comprise the steps: (1) terminal device start after, search whether there is calibration data file, if do not exist, execution in step (2) is if exist execution in step (4); (2) after start is finished, start the touch screen calibration procedure automatically, the prompting user carries out touch screen calibration, and after calibration finished, the touch screen driver read calibration data from the hardware handles unit; (3) generate calibration data file according to the calibration data that from described hardware handles unit, reads; (4) calibration data in the described calibration data file is write described hardware handles unit.
Further, after step (4) is finished, if the user finds described touch-screen operation irregularity, then further carry out following steps: (5) start described touch screen calibration procedure, carry out touch screen calibration again; (6) after calibration is finished, the calibration data after obtaining upgrading from described hardware handles unit, and regenerate calibration data file according to the calibration data after the described renewal; (7) after start loading touch screen equipment is finished, the calibration data after upgrading described in the described calibration data file is write described hardware handles unit again.
Further, described touch screen calibration procedure comprises the steps: before (a) calibration beginning display reminding information on display screen to the calibration of described touch-screen, and the prompting user keeps the screen cleaning of touch-screen; (b) system starts the touch calibration of described touch-screen; (c) system judges whether to calibrate successfully, if successfully change execution in step (e) over to, otherwise execution in step (d); (d) whether system needs to recalibrate by display screen prompting user, if need change execution in step (a) over to, otherwise execution in step (e); (e) withdraw from described touch screen calibration procedure.
Further, after system version upgrades or in the factory reset, delete described calibration data file.
In order to address the above problem, the present invention also provides a kind of touch screen calibration device, comprises searching unit, touch screen alignment unit, file generating unit, data write unit and hardware handles unit;
The described unit of searching links to each other with described data write unit with described touch screen alignment unit respectively, be used for after the terminal device start, search and whether have calibration data file, if do not exist, then start described touch screen alignment unit, if exist, then by described data write unit the calibration data in the described calibration data file write described hardware handles unit;
Described touch screen alignment unit respectively with describedly search the unit, described hardware handles unit links to each other with described file generating unit, be used for finding when not having calibration data file in the described unit of searching, after start is finished, automatically start the touch screen calibration procedure, carry out touch screen calibration, and calibration finish the back read calibration data from the hardware handles unit, after be sent to described file generating unit;
Described file generating unit links to each other with described data write unit with described touch screen alignment unit respectively, is used for generating a calibration data file according to the calibration data that reads from described hardware handles unit;
Described data write unit links to each other with described unit, described file generating unit and the described hardware handles unit searched respectively, be used for the calibration data of searching the calibration data file that the unit finds with described, or the calibration data in the calibration data file of described file generating unit generation, write described hardware handles unit;
Described hardware handles unit links to each other with described data write unit with described touch screen alignment unit respectively, and corresponding data acquisition interface is provided, and stores corresponding calibration data.
Further, described touch screen calibration device comprises a user interface section, described user interface section links to each other with described touch screen alignment unit, be used for when the user finds described touch-screen operation irregularity, send calibration command by described user interface section to described touch screen alignment unit, again described touch-screen is calibrated.
Further, the touch screen calibration device comprises a delete cells, described delete cells links to each other with described hardware handles unit, is used in system version renewal back or factory reset, and deletion is stored in the described calibration data file in the described hardware handles unit.
The invention has the advantages that, be saved in a calibration data file by calibrating good touch screen calibration data, after each start loading touch screen equipment is finished, only the calibration data in the calibration data file need be write the hardware handles unit, so just can guarantee the accuracy of touch screen data, and do not need the certain interval of time calibration to calibrate when once or at every turn mobile phone wakes up, the user is used bring convenience; And when the user finds that touch screen has problem, by described touch screen calibration procedure, can manually calibrate touch-screen again; After system version upgrades or in the factory reset, only need to delete the calibration data file that is stored in the described hardware handles unit, again touch-screen is calibrated by described touch screen calibration procedure, just can guarantee the accuracy of touch screen data.
Description of drawings
Fig. 1 is the schematic flow sheet of touch screen calibration method of the present invention.
Fig. 2 is the structural representation of touch screen calibration device of the present invention.
Fig. 3 is the schematic flow sheet of touch screen calibration method one embodiment of the present invention.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to touch screen calibration method provided by the invention and device.
With reference to the accompanying drawings 1, the schematic flow sheet of touch screen calibration method of the present invention comprises the steps:
Step S11: after the terminal device start, search whether there is calibration data file, if do not exist, execution in step S12 is if exist execution in step S14.
Step S12: after start is finished, start the touch screen calibration procedure automatically, the prompting user carries out touch screen calibration, and after calibration finished, the touch screen driver read calibration data from the hardware handles unit.
After the terminal device start, through searching as if there not being calibration data file, then send calibration command to described touch screen alignment unit, after the touch screen driver is received calibration command, start the touch screen calibration procedure, and by described touch screen calibration procedure reporting system demonstration calibration interface, the prompting user carries out touch screen calibration.The flow process of touch screen calibration is also different according to each hardware handles unit (being generally an integrated circuit modules) manufacturer's various process.Hardware handles unit manufacturer provides corresponding data acquisition interface, and after touch screen calibration was finished, the touch screen driver read the good calibration data of calibration by described data acquisition interface in the hardware handles unit.
For example, the touch screen calibration to described touch screen calibration procedure can adopt following method:
A step S121: show at display screen before the calibration beginning " please between alignment epoch, to keep the screen cleaning! ", the prompting user keeps the screen cleaning of touch-screen.
Step S122: system starts the touch calibration of touch-screen.
For example, system is given several points on touch-screen, such as the upper and lower, left and right on the touch-screen, mid-level characteristics point, need the user accurately to click; Or system's given at least two targets on touch-screen, need the user accurately to touch target after, it is dragged to the appointed area simultaneously.According to each hardware handles unit factory calibration method difference, can make different adjustment, to finish calibration.
Step S123: system judges whether to calibrate successfully, if successfully change execution in step S125 over to, otherwise execution in step S124.
Step S124: whether system needs to recalibrate by display screen prompting user, if need change execution in step S121 over to, recalibrates, otherwise execution in step S125.
Step S125: withdraw from described touch screen calibration procedure.
After withdrawing from described touch screen calibration procedure, if the touch screen calibration success, the touch screen driver reads the good calibration data of calibration by described data acquisition interface in the hardware handles unit.
Step S13: generate calibration data file according to the calibration data that from described hardware handles unit, reads.
Described calibration data file can be the newly-built file of the original file of system or system.
Step S14: the calibration data in the described calibration data file is write described hardware handles unit.
After each start loading touch screen equipment is finished, finding described calibration data file exists, only the calibration data in the calibration data file need be write the hardware handles unit, so just can guarantee the accuracy of touch screen data, and do not need the certain interval of time calibration to calibrate when once or at every turn mobile phone wakes up, the user is used bring convenience.
Optionally, after step S14 is finished, if the user finds described touch-screen operation irregularity, then further carry out following steps:
S15: start described touch screen calibration procedure, carry out touch screen calibration again.
If the user finds described touch-screen operation irregularity, then send calibration command, start the touch screen calibration procedure, and show the calibration interface by described touch screen calibration procedure reporting system, carry out touch screen calibration again.The flow process of carrying out touch screen calibration again is identical with the touch screen calibration mode of touch screen calibration procedure among the step S12, no longer is repeated in this description herein.
Step S16: after calibration is finished, the calibration data after obtaining upgrading from described hardware handles unit, and regenerate calibration data file according to the calibration data after the described renewal.
Step S17: after start loading touch screen equipment is finished, the calibration data after upgrading described in the described calibration data file is write described hardware handles unit again.
Optionally, upgrade in back or the factory reset at system version, deletion is stored in the calibration data file in the described hardware handles unit, again touch-screen is calibrated guaranteeing.
With reference to the accompanying drawings 2, the structural representation of touch screen calibration device of the present invention, corresponding with touch screen calibration method of the present invention, comprise and search unit M20, touch screen alignment unit M21, file generating unit M22, data write unit M23 and hardware handles unit M24.
The described unit M20 that searches links to each other with described data write unit M23 with described touch screen alignment unit M21 respectively, is used for searching whether there is calibration data file after the terminal device start, if do not exist, then starts described touch screen alignment unit M21; If exist, then by described data write unit M23 the calibration data in the described calibration data file write described hardware handles unit M24.
Described touch screen alignment unit M21 links to each other with hardware handles unit M24 with described unit M20, the described file generating unit M22 of searching respectively, be used for finding when not having calibration data file at the described unit M20 that searches, after start is finished, automatically start the touch screen calibration procedure, the prompting user carries out touch screen calibration.The calibration finish after, from hardware handles unit M24, read calibration data, after be sent to described file generating unit M22.
The touch screen calibration flow process, the touch screen calibration mode of touch screen calibration procedure no longer is repeated in this description herein among the step S12 in the reference method explanation.
Described file generating unit M22 links to each other with described data write unit M23 with described touch screen alignment unit M21 respectively, is used for generating a calibration data file according to the calibration data that reads from described hardware handles unit.
Described data write unit M23 links to each other with described hardware handles unit M24 with described unit M20, the described file generating unit M22 of searching respectively, be used for the calibration data of searching the calibration data file that unit M20 finds with described, or the calibration data in the calibration data file of described file generating unit M22 generation, write described hardware handles unit M24.
Described hardware handles unit links to each other with described data write unit with described touch screen alignment unit respectively, and corresponding data acquisition interface is provided, and stores corresponding calibration data.
Described hardware handles unit M24 links to each other with described data write unit M23 with described touch screen alignment unit M21 respectively; The interface that provides described touch screen alignment unit M21 data to obtain, after touch screen calibration was finished, the data acquisition interface that provides by described hardware handles unit M24 obtained calibration data; Store the respective alignment data that described school data write unit M23 writes simultaneously.
Optionally, touch screen calibration device of the present invention further comprises a user interface section M28, described user interface section M28 links to each other with described touch screen alignment unit M21, be used for when the user finds described touch-screen operation irregularity, send calibration command by described user interface section M28 to described touch screen alignment unit M21, again described touch-screen is calibrated.Again carry out the flow process of touch screen calibration, the touch screen calibration mode of touch screen calibration procedure no longer is repeated in this description herein among the step S12 in the reference method explanation.
Optionally, touch screen calibration device of the present invention further comprises a delete cells M29, described delete cells M29 links to each other with described hardware handles unit M2, be used in system version renewal back or factory reset, deletion is stored in described calibration data file among the described hardware handles unit M2, again touch-screen is calibrated guaranteeing.
With reference to the accompanying drawings 3, the schematic flow sheet of touch screen calibration method one embodiment of the present invention, present embodiment is example with the capacitance touch screen mobile phone of Android platform.
S31: calibration application course touch screen drives layer and initiates the beginning calibration command.S32: after the touch screen driver of touch screen driving layer is received described calibration command, start the touch screen calibration procedure, send calibration parameter to the hardware handles unit, and return calibration command to the calibration application layer.S33: the hardware handles unit drives course calibration application layer notice touch data by touch screen.S34: calibration application course touch screen drives layer and initiates to judge whether successful order of calibration.S35: if this moment, the touch screen driver did not receive that the calibration that the hardware handles unit sends finishes order, then return calibration by order to the calibration application layer.S36: the touch screen driver reads calibration data from the hardware handles unit after receiving that order is finished in the calibration of hardware handles unit transmission.S37: touch screen drives layer the calibration data that reads is write file system.S38: the calibration application layer drives layer to touch screen again and initiates to judge whether successful order of calibration.S39: the touch screen driver returns calibration by order to the calibration application layer, finishes the calibration flow process, can continue to use mobile phone after calibration is passed through.
The present invention is saved in a calibration data file by calibrating good touch screen calibration data, after each start loading touch screen equipment is finished, only the calibration data in the calibration data file need be write the hardware handles unit, so just can guarantee the accuracy of touch screen data, and do not need the certain interval of time calibration to calibrate when once or at every turn mobile phone wakes up, the user is used bring convenience; And when the user finds that touch screen has problem, by described touch screen calibration procedure, can manually calibrate touch-screen again; And after system version upgrades or in the factory reset, only need to delete the calibration data file that is stored in the described hardware handles unit, again touch-screen is calibrated by described touch screen calibration procedure, just can guarantee the accuracy of touch screen data.
The above only 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 should be considered as protection scope of the present invention.
Claims (7)
1. a touch screen calibration method is characterized in that, comprises the steps:
(1) after the terminal device start, search whether there is calibration data file, if do not exist, execution in step (2) is if exist execution in step (4);
(2) after start is finished, start the touch screen calibration procedure automatically, the prompting user carries out touch screen calibration, and after calibration finished, the touch screen driver read calibration data from the hardware handles unit;
(3) generate calibration data file according to the calibration data that from described hardware handles unit, reads;
(4) calibration data in the described calibration data file is write described hardware handles unit.
2. according to the described touch screen calibration method of claim 1, it is characterized in that, after step (4) is finished, if the user finds described touch-screen operation irregularity, then further carry out following steps:
(5) start described touch screen calibration procedure, carry out touch screen calibration again;
(6) after calibration is finished, the calibration data after obtaining upgrading from described hardware handles unit, and regenerate calibration data file according to the calibration data after the described renewal;
(7) after start loading touch screen equipment is finished, the calibration data after upgrading described in the described calibration data file is write described hardware handles unit again.
3. according to claim 1 or 2 described touch screen calibration methods, it is characterized in that described touch screen calibration procedure comprises the steps: the calibration of described touch-screen
(a) before the calibration beginning on display screen display reminding information, the prompting user keeps the screen cleaning of touch-screen;
(b) system starts the touch calibration of described touch-screen;
(c) system judges whether to calibrate successfully, if successfully change execution in step (e) over to, otherwise execution in step (d);
(d) whether system needs to recalibrate by display screen prompting user, if need change execution in step (a) over to, otherwise execution in step (e);
(e) withdraw from described touch screen calibration procedure.
4. according to the described touch screen calibration method of claim 1, it is characterized in that, further after system version upgrades or in the factory reset, delete described calibration data file.
5. a touch screen calibration device is characterized in that, comprises searching unit, touch screen alignment unit, file generating unit, data write unit and hardware handles unit;
The described unit of searching links to each other with described data write unit with described touch screen alignment unit respectively, be used for after the terminal device start, search and whether have calibration data file, if do not exist, then start described touch screen alignment unit, if exist, then by described data write unit the calibration data in the described calibration data file write described hardware handles unit;
Described touch screen alignment unit respectively with describedly search the unit, described hardware handles unit links to each other with described file generating unit, be used for finding when not having calibration data file in the described unit of searching, after start is finished, automatically start the touch screen calibration procedure, carry out touch screen calibration, and calibration finish the back read calibration data from the hardware handles unit, after be sent to described file generating unit;
Described file generating unit links to each other with described data write unit with described touch screen alignment unit respectively, is used for generating a calibration data file according to the calibration data that reads from described hardware handles unit;
Described data write unit links to each other with described unit, described file generating unit and the described hardware handles unit searched respectively, be used for the calibration data of searching the calibration data file that the unit finds with described, or the calibration data in the calibration data file of described file generating unit generation, write described hardware handles unit;
Described hardware handles unit links to each other with described data write unit with described touch screen alignment unit respectively, and corresponding data acquisition interface is provided, and stores corresponding calibration data.
6. according to the described touch screen calibration device of claim 5, it is characterized in that: further comprise a user interface section, described user interface section links to each other with described touch screen alignment unit, be used for when the user finds described touch-screen operation irregularity, send calibration command by described user interface section to described touch screen alignment unit, again described touch-screen is calibrated.
7. according to the described touch screen calibration device of claim 5, it is characterized in that: further comprise a delete cells, described delete cells links to each other with described hardware handles unit, be used in system version renewal back or factory reset, deletion is stored in the described calibration data file in the described hardware handles unit.
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| CN103488368A (en) * | 2013-10-16 | 2014-01-01 | 深圳市开立科技有限公司 | Screen calibrating method and device for touch screen in Android system |
| WO2017185669A1 (en) * | 2016-04-27 | 2017-11-02 | 乐视控股（北京）有限公司 | Method for configuring calibration parameter of sensor, and electronic device |
| CN107632730A (en) * | 2017-09-13 | 2018-01-26 | 广州视源电子科技股份有限公司 | Obtain method, apparatus, storage medium and the touch display system of touch-screen benchmark data |
| CN109656633A (en) * | 2018-11-26 | 2019-04-19 | 广州致远电子有限公司 | Instrument calibration method, device, system, terminal device and readable storage medium storing program for executing |
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