CN103186267B - Touch screen calibration method and device - Google Patents
Touch screen calibration method and device Download PDFInfo
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- CN103186267B CN103186267B CN201110454382.1A CN201110454382A CN103186267B CN 103186267 B CN103186267 B CN 103186267B CN 201110454382 A CN201110454382 A CN 201110454382A CN 103186267 B CN103186267 B CN 103186267B
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Abstract
A kind of touch screen calibration method, comprises the steps：（1）After terminal unit start, search whether there is calibration data file, if not existing, execution step（2）If existing, execution step（4）；（2）After the completion of start, automatic touch screen calibration procedure, point out user to carry out touch screen calibration, after calibration finishes, touch screen driver reads calibration data from hardware processing element；（3）Calibration data file is generated according to the calibration data reading from described hardware processing element；（4）Calibration data in described calibration data file is write described hardware processing element.If the user discover that described touch screen operation irregularity, starting described touch screen calibration procedure, re-starting touch screen calibration.It is an advantage of the current invention that by the touch screen calibration calibrated data is saved in a calibration data file, it is not necessary to certain interval of time is calibrated once or every time, mobile phone is calibrated when wake-up.
Description
Technical field
The present invention relates to electronic information technical field, more particularly, to a kind of touch screen calibration method and device.
Background technology
Growing with each passing day with multimedia information inquiry, the application of touch screen is more and more universal.Because touch screen is as one
Kind new computer entry device, it be current using a kind of simple, convenient, natural one of man-machine interaction mode, utilize
Touch screen technology, as long as user lightly touches icon on display screen with finger or word can be achieved with the behaviour to electronic equipment
Make, so that man-machine interaction is more simple and direct.At present, this kind of product is front required for being calibrated in normal using, with guarantee
Product is in current environment（Environment includes：Weather, weather, the external disturbance such as electromagnetism）Under accuracy, accuracy refers to operating space
Corresponding relation between domain and operating function.Taking the calibrating handset touch panel of Android platform as a example, present android mobile phone
Capacitance touch screen typically has two methods in the problem of calibration：
1st, certain interval of time（Such as 1 second）Calibration is once.This method is time-consuming and occupying system resources, also to
Family, using bringing certain impact, if there are water on touch screen, is dried and is recovered slow, sometimes can't recover.
2nd, calibration when each mobile phone wakes up.This approach reduces occupying system resources, but if in wake-up
Water is just had on front touch screen, so undoubtedly water can be calibrated in basic parameter, after such user dries water, touch screen just cannot
Employ, can only again sleep and wake up again, user is used and brings very big inconvenience.
Content of the invention
The technical problem to be solved is to provide a kind of touch screen calibration method and device, solves prior art
In touch screen calibration, calibrated once using certain interval of time, time-consuming and occupying system resources, user is used and brings one
Fixed impact, if there are water on touch screen, dries and recovers slow, sometimes can't recover；Or using each mobile phone wake up when
Wait calibration, have water if on touch screen before waking up, water can be calibrated in basic parameter, after user dries water, touch
Screen just cannot use, and can only again sleep and wake up, to user using the problem bringing greatly inconvenience.
In order to solve the above problems, the invention provides a kind of touch screen calibration method, comprise the steps：（1）Terminal
After device power-up, search whether there is calibration data file, if not existing, execution step（2）If existing, execution step（4）；
（2）After the completion of start, automatic touch screen calibration procedure, point out user to carry out touch screen calibration, after calibration finishes, touch screen drives
Program reads calibration data from hardware processing element；（3）Generated according to the calibration data reading from described hardware processing element
Calibration data file；（4）Calibration data in described calibration data file is write described hardware processing element.
Further, step（4）After being finished, if the user discover that described touch screen operation irregularity, execute further with
Lower step：（5）Start described touch screen calibration procedure, re-start touch screen calibration；（6）After calibration completes, from described hardware
Processing unit updated after calibration data, and according to described update after calibration data regenerate calibration data file；
（7）After the completion of start loads touch-screen equipment, the calibration data after updating described in described calibration data file is re-write institute
State hardware processing element.
Further, described touch screen calibration procedure comprises the steps to the calibration of described touch screen：（a）Calibration start before
Display reminding information on display screen, points out user to keep the screen cleaning of touch screen；（b）The touch of touch screen described in system start-up
Calibration；（c）System judges whether to calibrate successfully, if successfully proceeding to execution step（e）, otherwise execution step（d）；（d）System is led to
Cross display screen to prompt the user whether to need to recalibrate, if desired proceed to execution step（a）, otherwise execution step（e）；（e）Move back
Go out described touch screen calibration procedure.
Further, after system version renewal or when factory reset, delete described calibration data file.
In order to solve the above problems, present invention also offers a kind of touch screen calibration device, including searching unit, touch screen school
Quasi- unit, file generating unit, data write unit and hardware processing element；
Described searching unit is connected with described touch screen alignment unit and described data write unit respectively, for setting in terminal
After standby start, searching whether there is calibration data file, if not existing, starting described touch screen alignment unit, if existing, leading to
Cross described data write unit and the calibration data in described calibration data file is write described hardware processing element；
Described touch screen alignment unit respectively with described searching unit, described hardware processing element and described file generating unit
It is connected, for when described searching unit finds and there is not calibration data file, after the completion of start, automatic touch screen school
Quasi-ordering, carries out touch screen calibration, and after calibration finishes from hardware processing element read calibration data, after be sent to described literary composition
Part signal generating unit；
Described file generating unit is connected with described touch screen alignment unit and described data write unit respectively, for basis
The calibration data reading from described hardware processing element generates a calibration data file；
Described data write unit respectively with described searching unit, described file generating unit and described hardware processing element
It is connected, for the calibration data in the calibration data file that finds described searching unit, or the life of described file generating unit
Calibration data in the calibration data file becoming, writes described hardware processing element；
Described hardware processing element is connected with described touch screen alignment unit and described data write unit respectively, provides corresponding
Data acquisition interface, and store corresponding calibration data.
Further, described touch screen calibration device includes a user interface section, and described user interface section is touched with described
Screen alignment unit is connected, for when the user discover that described touch screen operation irregularity, by described user interface section to described
Touch screen alignment unit sends calibration command, again described touch screen is calibrated.
Further, touch screen calibration device includes a deletion unit, described deletion unit and described hardware processing element phase
Even, for, after system version updates or when factory reset, deleting the institute being stored in described hardware processing element
State calibration data file.
It is an advantage of the current invention that by the touch screen calibration calibrated data is saved in a calibration data file,
It is only necessary to the calibration data in calibration data file is write hardware processing element after the completion of start loads touch-screen equipment every time,
So ensure that the accuracy of touchscreen data, without certain interval of time calibration once or each mobile phone wake up when
Wait calibration, user is used and brings convenience；And when the user discover that touch screen is problematic, by described touch screen calibration procedure, can
Again to calibrate to touch screen manually；Deposit it is only necessary to delete after system version updates or when factory reset
Calibration data file in described hardware processing element for the storage, carries out school to touch screen again by described touch screen calibration procedure
Standard is so that it may ensure the accuracy of touchscreen data.
Brief description
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.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the touch screen calibration method and device that the present invention provides is done specifically
Bright.
Refer to the attached drawing 1, the schematic flow sheet of touch screen calibration method of the present invention, comprise the steps：
Step S11：After terminal unit start, search whether there is calibration data file, if not existing, execution step S12,
If existing, execution step S14.
Step S12：After the completion of start, automatic touch screen calibration procedure, point out user to carry out touch screen calibration, calibrated
Bi Hou, touch screen driver reads calibration data from hardware processing element.
After terminal unit start, if there is not calibration data file through searching, send school to described touch screen alignment unit
Quasi- order, after touch screen driver receives calibration command, starts touch screen calibration procedure, and is notified by described touch screen calibration procedure
System shows Calibration interface, points out user to carry out touch screen calibration.The flow process of touch screen calibration is according to each hardware processing element
（It is usually integrated circuit modules）Manufacturer's various process is also different.Hardware processing element manufacturer provides corresponding data acquisition to connect
Mouthful, after touch screen calibration completes, touch screen driver, by described data acquisition interface, reads school from hardware processing element
Accurate good calibration data.
For example, the touch screen calibration of described touch screen calibration procedure can be adopted with the following method：
Step S121：Calibration shows " please holding screen cleaning during calibrating on a display screen before starting！", point out user
Keep the screen cleaning of touch screen.
Step S122：The touch calibration of system start-up touch screen.
For example, system gives several points on the touchscreen, the upper and lower, left and right on such as touch screen, mid-level characteristics point, needs
User is wanted accurately to click on；Or system gives at least two targets, on the touchscreen after needing user's exact touch target, by it
Drag to designated area simultaneously.Different according to each hardware processing element factory calibration method, different adjustment can be made, with
Complete to calibrate.
Step S123：System judges whether to calibrate successfully, if successfully proceeding to execution step S125, otherwise execution step
S124.
Step S124：System prompts the user whether to need to recalibrate by display screen, if desired proceeds to execution step
S121, is recalibrated, otherwise execution step S125.
Step S125：Exit described touch screen calibration procedure.
After exiting described touch screen calibration procedure, if touch screen calibration success, touch screen driver passes through described data acquisition
Interface, reads the calibration data calibrated from hardware processing element.
Step S13：Calibration data file is generated according to the calibration data reading from described hardware processing element.
Described calibration data file, can be the original file of system or the newly-built file of system.
Step S14：Calibration data in described calibration data file is write described hardware processing element.
After the completion of every time start loads touch-screen equipment, find described calibration data file and exist it is only necessary to calibration number
According to the calibration data write hardware processing element in file, so ensure that the accuracy of touchscreen data, without interval
Calibration when calibration for a period of time is once or each mobile phone wakes up, uses to user and brings convenience.
Optionally, after step S14 is finished, if the user discover that described touch screen operation irregularity, execute further
Following steps：
S15：Start described touch screen calibration procedure, re-start touch screen calibration.
If the user discover that described touch screen operation irregularity, sending calibration command, starting touch screen calibration procedure, and by described
Touch screen calibration procedure notifies system display Calibration interface, re-starts touch screen calibration.Re-start the flow process of touch screen calibration
Identical with the touch screen calibration mode of touch screen calibration procedure in step S12, it is not repeated to describe herein.
Step S16：Calibrate after completing, the calibration data after described hardware processing element is updated, and according to institute
State the calibration data after renewal and regenerate calibration data file.
Step S17：After the completion of start loads touch-screen equipment, by the calibration number after updating described in described calibration data file
According to re-writing described hardware processing element.
Optionally, after system version renewal or when factory reset, delete and be stored in described hardware handles list
Calibration data file in unit, to guarantee again touch screen to be calibrated.
Refer to the attached drawing 2, the structural representation of touch screen calibration device of the present invention, with touch screen calibration of the present invention
Method is corresponding, including searching unit M20, touch screen alignment unit M21, file generating unit M22, data write unit M23 and
Hardware processing element M24.
Described searching unit M20 is connected with described touch screen alignment unit M21 and described data write unit M23 respectively, uses
After starting shooting in terminal unit, searching whether there is calibration data file, if not existing, starting described touch screen alignment unit
M21；If existing, will be described hard for the calibration data write in described calibration data file by described data write unit M23
Part processing unit M24.
Described touch screen alignment unit M21 respectively with described searching unit M20, described file generating unit M22 and hardware at
Reason unit M24 is connected, for when described searching unit M20 finds and there is not calibration data file, after the completion of start, from
Dynamic startup touch screen calibration procedure, points out user to carry out touch screen calibration.After calibration finishes, read from hardware processing element M24
Calibration data, after be sent to described file generating unit M22.
Touch screen calibration flow process, the touch screen calibration mode of touch screen calibration procedure in step S12 in reference method explanation,
It is not repeated to describe herein.
Described file generating unit M22 respectively with described touch screen alignment unit M21 and described data write unit M23 phase
Even, for a calibration data file is generated according to the calibration data reading from described hardware processing element.
Described data write unit M23 respectively with described searching unit M20, described file generating unit M22 and described hard
Part processing unit M24 is connected, for the calibration data in the calibration data file that finds described searching unit M20, or institute
State the calibration data in the calibration data file of file generating unit M22 generation, write described hardware processing element M24.
Described hardware processing element is connected with described touch screen alignment unit and described data write unit respectively, provides corresponding
Data acquisition interface, and store corresponding calibration data.
Described hardware processing element M24 respectively with described touch screen alignment unit M21 and described data write unit M23 phase
Even；There is provided the interface of described touch screen alignment unit M21 data acquisition, after touch screen calibration completes, at described hardware
The data acquisition interface that reason unit M24 provides obtains calibration data；Store the phase of described school data write unit M23 write simultaneously
Answer calibration data.
Optionally, touch screen calibration device of the present invention further includes a user interface section M28, and described user connects
Mouth unit M28 is connected with described touch screen alignment unit M21, for when the user discover that described touch screen operation irregularity, by institute
State user interface section M28 and send calibration command to described touch screen alignment unit M21, again described touch screen is calibrated.
Re-start the flow process of touch screen calibration, the touch screen calibration side of touch screen calibration procedure in step S12 in reference method explanation
Formula, is not repeated to describe herein.
Optionally, touch screen calibration device of the present invention further includes a deletion unit M29, described deletion unit
M29 is connected with described hardware processing element M2, for, after system version updates or when factory reset, deleting storage
Described calibration data file in described hardware processing element M2, to guarantee again touch screen to be calibrated.
Refer to the attached drawing 3, the schematic flow sheet of touch screen calibration method one embodiment of the present invention, the present embodiment with
As a example the capacitance touch screen mobile phone of Android platform.
S31：Calibration application layer drives layer to initiate to start calibration command to touch screen.S32：When the touch screen that touch screen drives layer drives
After program receives described calibration command, start touch screen calibration procedure, send calibration parameter to hardware processing element, and should to calibration
Return calibration command with layer.S33：Hardware processing element drives layer to notify touch data to calibration application layer by touch screen.S34：
Calibration application layer drives layer to initiate to judge whether calibration successfully orders to touch screen.S35：If now touch screen driver is not
There is the calibration receiving hardware processing element transmission to complete order, then return calibration to calibration application layer and do not pass through order.S36：Touch
Screen driver receive hardware processing element transmission calibration complete order after, from hardware processing element read calibration data.
S37：Touch screen drives layer that the calibration data reading is write file system.S38：Calibration application layer drives layer to send out to touch screen again
Rise and judge whether calibration successfully orders.S39：Touch screen driver returns calibration by order to calibration application layer, terminates school
Quasi- flow process, calibration can be continuing with mobile phone after passing through.
The present invention, by the touch screen calibration calibrated data is saved in a calibration data file, loads in each start
It is only necessary to the calibration data write hardware processing element in calibration data file, so ensure that after the completion of touch-screen equipment
The accuracy of touchscreen data, without certain interval of time calibration once or calibration when each mobile phone wakes up, to
Family uses and brings convenience；And when the user discover that touch screen is problematic, by described touch screen calibration procedure, can be again right manually
Touch screen is calibrated；And after system version updates or when factory reset it is only necessary to delete be stored in described
Calibration data file in hardware processing element, is calibrated to touch screen so that it may be protected again by described touch screen calibration procedure
The accuracy of card touchscreen data.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (7)
1. a kind of touch screen calibration device is it is characterised in that include searching unit, touch screen alignment unit, file generating unit, number
According to writing unit and hardware processing element；
Described searching unit is connected with described touch screen alignment unit and described data write unit respectively, for opening in terminal unit
After machine, searching whether there is calibration data file, if not existing, starting described touch screen alignment unit, if existing, passing through institute
State data write unit and the calibration data in described calibration data file is write described hardware processing element；
Described touch screen alignment unit respectively with described searching unit, described hardware processing element and described file generating unit phase
Even, for when described searching unit finds and there is not calibration data file, after the completion of start, automatic touch screen is calibrated
Program, carries out touch screen calibration, and after calibration finishes from hardware processing element read calibration data, after be sent to described file
Signal generating unit；
Described file generating unit is connected with described touch screen alignment unit and described data write unit respectively, for according to from institute
State the calibration data reading in hardware processing element and generate a calibration data file；
Described data write unit respectively with described searching unit, described file generating unit and described hardware processing element phase
Even, for the calibration data in the calibration data file that finds described searching unit, or described file generating unit generates
Calibration data file in calibration data, write described hardware processing element；
Described hardware processing element is connected with described touch screen alignment unit and described data write unit respectively, provides and counts accordingly
According to acquisition interface, and store corresponding calibration data.
2. according to claim 1 touch screen calibration device it is characterised in that：Further include a user interface section, institute
State user interface section to be connected with described touch screen alignment unit, for when the user discover that described touch screen operation irregularity, passing through
Described user interface section sends calibration command to described touch screen alignment unit, again described touch screen is calibrated.
3. according to claim 1 touch screen calibration device it is characterised in that：Further include a deletion unit, described delete
Except unit is connected with described hardware processing element, for, after system version updates or when factory reset, deletion is deposited
Described calibration data file in described hardware processing element for the storage.
4. a kind of touch screen calibration method of touch screen calibration device described in employing claim 1 is it is characterised in that include as follows
Step：
(1), after terminal unit start, search whether there is calibration data file by described searching unit, if not existing, execution
, to start described touch screen alignment unit, if existing, execution step (4) is to start described data write unit for step (2)；
(2) after the completion of starting shooting, automatic touch screen calibration procedure is executed by described touch screen alignment unit, point out user to be touched
Touch screen calibration, after calibration finishes, touch screen driver reads calibration data from described hardware processing element, and is sent to described literary composition
Part signal generating unit；
(3) described file generating unit generates calibration data literary composition according to the calibration data reading from described hardware processing element
Part；
(4) calibration data in the calibration file that described searching unit is found by described data write unit, or described file
Calibration data in the described calibration data file that signal generating unit generates writes described hardware processing element.
5. according to claim 4 touch screen calibration method it is characterised in that after step (4) is finished, if the user discover that
Described touch screen operation irregularity, then further perform the step of：
(5) pass through user interface section and send calibration command to described touch screen alignment unit, to start described touch screen calibration procedure,
Re-start touch screen calibration；
(6) after calibration completes, calibration data after described hardware processing element is updated, and according to described renewal after
Calibration data regenerates calibration data file；
(7), after the completion of start loads touch-screen equipment, the calibration data after updating described in described calibration data file is write again
Enter described hardware processing element.
6. according to claim 4 or 5 touch screen calibration method it is characterised in that described touch screen calibration procedure to described touch
The calibration touching screen comprises the steps：
(a) calibration start before display reminding information on a display screen, point out user to keep the screen cleaning of touch screen；
The touch calibration of touch screen described in (b) system start-up；
C () system judges whether to calibrate successfully, if successfully proceeding to execution step (e), otherwise execution step (d)；
D () system prompts the user whether to need to recalibrate by display screen, if desired proceed to execution step (a), otherwise execute
Step (e)；
E () exits described touch screen calibration procedure.
7. according to claim 4 touch screen calibration method it is characterised in that further system version renewal after or extensive
When multiple Default Value, by deleting calibration data file described in element deletion.
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| CN201110454382.1A CN103186267B (en) | 2011-12-30 | 2011-12-30 | Touch screen calibration method and device |
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| CN201110454382.1A CN103186267B (en) | 2011-12-30 | 2011-12-30 | Touch screen calibration method and device |
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| CN103186267A CN103186267A (en) | 2013-07-03 |
| CN103186267B true CN103186267B (en) | 2017-03-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103488368B (en) * | 2013-10-16 | 2017-02-15 | 深圳开立生物医疗科技股份有限公司 | Screen calibrating method and device for touch screen in Android system |
| CN105912341A (en) * | 2016-04-27 | 2016-08-31 | 乐视控股（北京）有限公司 | Configuration method of calibration parameter of sensor, and electronic equipment |
| CN107632730B (en) * | 2017-09-13 | 2020-04-07 | 广州视源电子科技股份有限公司 | Method and device for acquiring reference data of touch screen, storage medium and touch display system |
| CN109656633B (en) * | 2018-11-26 | 2022-05-10 | 广州致远电子有限公司 | Instrument calibration method, device, system, terminal equipment and readable storage medium |
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| CN101604254A (en) * | 2009-07-24 | 2009-12-16 | 四川长虹电器股份有限公司 | A kind of real-time data correction method for touch screens |
| CN101627352A (en) * | 2007-03-07 | 2010-01-13 | 日本电气株式会社 | Display terminal with touch panel function and calibration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9360967B2 (en) * | 2006-07-06 | 2016-06-07 | Apple Inc. | Mutual capacitance touch sensing device |
| US8384678B2 (en) * | 2008-10-20 | 2013-02-26 | Lg Display Co. Ltd. | Touch sensing device and method for correcting output thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101627352A (en) * | 2007-03-07 | 2010-01-13 | 日本电气株式会社 | Display terminal with touch panel function and calibration method |
| CN101604254A (en) * | 2009-07-24 | 2009-12-16 | 四川长虹电器股份有限公司 | A kind of real-time data correction method for touch screens |
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