CN102999239A - Method for handling error response of capacitive touch screen - Google Patents
Method for handling error response of capacitive touch screen Download PDFInfo
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- CN102999239A CN102999239A CN2012105216060A CN201210521606A CN102999239A CN 102999239 A CN102999239 A CN 102999239A CN 2012105216060 A CN2012105216060 A CN 2012105216060A CN 201210521606 A CN201210521606 A CN 201210521606A CN 102999239 A CN102999239 A CN 102999239A
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- 230000004044 response Effects 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000011084 recovery Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002559 palpation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Abstract
The invention discloses a method for handling an error response of a capacitive touch screen. The method comprises the steps of: S1, determining an area (in which the error response is prone to occur) of the touch screen; S2, setting a scanning period T and the number of times N of allowable successive responses; S3, scanning the area in which the error response is prone to occur within the scanning period T, calculating the number of times of successive responses, and executing step S4 if the number of times of the successive responses is larger than N, otherwise, returning to the S3; and S4, recovering the touch screen. The method provided by the invention can rapidly eliminate the error responses caused by external environments, so that the touch screen can quickly resume the normal operation, thereby ensuring the normal use for users.
Description
Technical field
The present invention relates to the touch screen technology field, relate in particular to the disposal route of a kind of capacitance touch screen mistake response.
Background technology
Along with the development of smart mobile phone and these electronic equipments of panel computer, the touch display screen as human-computer interaction device in this class of electronic devices has also obtained using more and more widely.In the prior art, electronic equipment needs the touch display screen of electronic equipment is detected before dispatching from the factory.Usually electronic equipment only adopts the mode of artificial touch and shows in real time the artificial track that touches, if this track is consistent with the artificial track that touches, represents that then this touch-screen is normal, and above detection method can be got rid of the interference of external environment usually.
Yet the touch-screen that factory testing is qualified (touch display screen) is if be subject to the interference of external environment, and the user does not carry out any touch operation to touch display screen, the randomness response usually occurs, and this response is commonly referred to wrong report point (mistake response).Secondly this problem at first can't can cause touch-screen generation maloperation by reprocessing thorough elimination, and again when having the wrong report point, touch-screen often can't normal running, affects the user and normally uses.
Summary of the invention
The technical problem to be solved in the present invention is, this irreversible defective of mistake response occurs when being subject to environmental impact for the touch display screen of prior art, provide a kind of and can eliminate fast the external environment impact, make the touch-screen mistake respond phenomenon and obtain fast processing, and then the method that touch-screen can normally be used.
The technical solution adopted for the present invention to solve the technical problems is: the disposal route of a kind of capacitance touch screen mistake response, it is characterized in that, and said method comprising the steps of:
S1) zone is easily sent out in the mistake response of determining touch-screen;
S2) times N that scan period T is set and allows continuous response;
S3) in described cycle T, a zone is easily sent out in described mistake response and is scanned, and calculate the continuous response number of times, if the continuous response number of times greater than N, then execution in step S4 is no, then returns step S3;
S4) described touch-screen is carried out recovery operation.
Preferably, the mistake response is easily determined by test and experience in a zone among the described step S1.
Preferably, among the described step S1 mistake response easily send out a zone be by between horizontal zone between [X0, X1] and vertical area [Y0, Y1] define.
Preferably, described touch-screen responds once, and described mistake responds an easy regional coordinate and reports M time, and M is newspaper point rate m and the amassing of required time t of described touch-screen response of the touch-control IC of described touch-screen.
Preferably, described step S3 comprises:
S31) coordinate of in described cycle T the zone easily being sent out in described mistake response carries out by column or lines by line scan;
S32) detect the easy coordinate of sending out the zone of described mistake response and whether report more than M time continuously, if, then calculate the number of times that this reports continuously, no, then return step S31.
S33) if the mistake response greater than M*N, then occurs in this number of times that reports continuously, execution in step S4, no, then return step S31.
Preferably, the recovery operation among the described step S4 comprises described touch-screen is carried out reset operation or described touch-screen power down is powered on again.
Preferably, described mistake response is the random response of described touch-screen when not having touch operation.
Implement the bright method of we, can reset to touch display screen or the power on and off operation by pressure, eliminate fast external environment when not affecting the normal operation of electronic equipment to the impact of touch display screen, and then elimination mistake response, make the quick enabling of touch display screen, guarantee that the user normally uses.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic flow sheet of the preferred embodiment of the inventive method;
Fig. 2 is the schematic flow sheet of the preferred embodiment of step S3 among specific implementation Fig. 1.
Embodiment
As shown in Figure 1, the disposal route of a kind of capacitance touch screen mistake of the present invention response may further comprise the steps:
S1, determine that the mistake response of touch-screen easily sends out the zone.In this step, at first to find out the mistake response and easily send out zone (fault is easily sent out the zone), usually the data that obtain after the touch-screen that is shaped by the design to detailed programs is debugged and tested, can determine to be subjected to external environmental interference easily on the capacitance touch display screen and report the zone of (mistake response) by mistake, this wrong report is not for when the user carries out any operation to touch display screen, touch-screen response at random, be generally ceaselessly continuous response, namely easy of response is regional by mistake in this zone, mistake response easily send out the zone at least one, fault is easily sent out normally four folding corner regions of touch display screen of zone, also can be the arbitrary region of the usual operation of user on the touch display screen.After next determines the easy zone of mistake response, the mistake response easily can be sent out the zone suitably enlarges, comprise as far as possible all wrong report points, then represent that with two-dimensional coordinate easy of mistake response behind all suitable expansions is regional, can be by [X0 between horizontal zone, X1] and vertical area between [Y0, Y1] indicate the response of rectangle mistake and easily send out the zone, coordinate (X can be used in the arbitrfary point that should the mistake response easily send out in the zone this moment
k, Y
j) expression.
S2, the times N that scan period T is set and allows continuous response.In this step, can detect or a plurality of user experiences the data of feedback according to the test of carrying out when determining that the mistake response is easily sent out the zone among the step S1, formulate scan period T, guarantee that the scan period T that sets is that the minimum period that mistake response (wrong report point) occurs in the zone is easily sent out in the mistake response of touch display screen, in case to undetected survey and the drain process of mistake response.Normal operation for other application program of not affecting electronic equipment can arrange a time T 2 in addition, is the interval time of adjacent twice processing, and so total cycle T 1 be the summation of actual treatment time T and twice processing T2 interval time.The continuous response times N that arranges in this step in addition, when for the user touch display screen being operated, the maximum times of the normal continuous response of touch display screen.
S3, in cycle T, a zone is easily sent out in described mistake response and is scanned, calculate the continuous response number of times, if the continuous response number of times greater than N, then execution in step S4 is no, then returns step S3.Touch-control IC in the electronic equipment can finish the conversion operations of capacitance variations and touch screen response, and (no matter being manual palpation or mistake response) will be reported a little to the upper strata after effectively touching.In this step, in time T, all faults are easily sent out the zone and scan detection, only scanning has or not newspaper point and newspaper point quantity (corresponding response and response times), if demarcate after the mistake response easily sends out the zone with two-dimensional coordinate, only need the situation that reports of detection failure area coordinate, if the touch-screen response once, the coordinate that the zone is easily sent out in the mistake response can report about M time, M=m*t, wherein m is the newspaper point rate of touch-control IC, t is required time of touch-screen response.When the situation of coordinate more than M time occurring reporting continuously, calculate the number of times that this reports in reporting continuously.This number of times that reports continuously surpasses preset times M*N, illustrate that the zone that occurs to report continuously breaks down (mistake response), and execution in step S4 if do not have, illustrates that it is response under the normal touch operation that this time reports continuously, the scanning detection that enters next cycle.
S4, touch-screen is carried out recovery operation.The recovery operation of in this step touch display screen being carried out comprises that pressure is carried out reset operation to touch display screen or power down powers on again.Aforesaid operations can be finished in several seconds, did not affect user's normal use.
In a preferred embodiment of the invention, for concrete touch-screen, its newspaper point rate m can be fixed on a scope.But in fact, newspaper point rate m is a parameter that is determined by touch-control IC, and can change as required, and generally about 80HZ, namely per second reports coordinate 80 times.Further, required time t of predeterminable touch-screen response is 1 second, report continuously to be maloperation more than 4 seconds, allow so the times N of continuous response can be set to 4, the times N * M=N*m*t=4x80x1=320 that allows coordinate (coordinate of identical point coordinate or difference) to report continuously among the step S2.
If represent that with two-dimensional coordinate wrong response easily sends out the zone, as shown in Figure 2, step S3 may further comprise the steps:
S31, a coordinate of in cycle T the zone easily being sent out in mistake response carry out by column or line by line scan.
Whether S32, the described mistake response of detection are easily sent out regional coordinate and are reported more than M time continuously, if, then calculate the number of times that this reports continuously, no, then return step S31.
If this number of times that reports continuously of S33 greater than M*N, the mistake response occurs then, execution in step S4 is no, then returns step S31.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (7)
1. the disposal route of capacitance touch screen mistake response is characterized in that, said method comprising the steps of:
S1) zone is easily sent out in the mistake response of determining touch-screen;
S2) times N that scan period T is set and allows continuous response;
S3) in described cycle T, a zone is easily sent out in described mistake response and is scanned, and calculate the continuous response number of times, if the continuous response number of times greater than N, then execution in step S4 is no, then returns step S3;
S4) described touch-screen is carried out recovery operation.
2. the disposal route of capacitance touch screen mistake according to claim 1 response is characterized in that, the easy zone of sending out of mistake response is determined by test and experience among the described step S1.
3. the disposal route of capacitance touch screen according to claim 2 mistake response is characterized in that, among the described step S1 mistake response easily send out a zone be by between horizontal zone between [X0, X1] and vertical area [Y0, Y1] define.
4. capacitance touch screen according to claim 3 misses the disposal route of response, it is characterized in that, described touch-screen responds once, and described mistake responds an easy regional coordinate and reports M time, and M is newspaper point rate m and the amassing of required time t of described touch-screen response of the touch-control IC of described touch-screen.
5. capacitance touch screen according to claim 4 misses the disposal route of response, it is characterized in that described step S3 comprises:
S31) coordinate of in described cycle T the zone easily being sent out in described mistake response carries out by column or lines by line scan;
S32) detect the easy coordinate of sending out the zone of described mistake response and whether report more than M time continuously, if, then calculate the number of times that this reports continuously, no, then return step S31;
S33) if the mistake response greater than M*N, then occurs in this number of times that reports continuously, execution in step S4, no, then return step S31.
6. the disposal route of capacitance touch screen according to claim 1 mistake response is characterized in that, the recovery operation among the described step S4 comprises to be carried out reset operation or described touch-screen power down is powered on again described touch-screen.
7. the disposal route of the described capacitance touch screen mistake of any one response is characterized in that according to claim 1-6, and described mistake response is the random response of described touch-screen when not having touch operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210521606.0A CN102999239B (en) | 2012-12-06 | 2012-12-06 | The disposal route that a kind of capacitance touch screen responds by mistake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210521606.0A CN102999239B (en) | 2012-12-06 | 2012-12-06 | The disposal route that a kind of capacitance touch screen responds by mistake |
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| CN102999239A true CN102999239A (en) | 2013-03-27 |
| CN102999239B CN102999239B (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460723A (en) * | 2019-08-01 | 2019-11-15 | 珠海格力电器股份有限公司 | Screen protection method, device, computer equipment and computer readable storage medium |
| CN111625174A (en) * | 2020-05-06 | 2020-09-04 | Oppo（重庆）智能科技有限公司 | Touch screen control method and device, electronic equipment and storage medium |
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| CN101295220A (en) * | 2004-01-07 | 2008-10-29 | 仁宝电脑工业股份有限公司 | Signal processing method for resistor type touch control plate |
| CN102004592A (en) * | 2010-07-27 | 2011-04-06 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen scanning method |
| CN102346596A (en) * | 2011-11-14 | 2012-02-08 | 宇龙计算机通信科技(深圳)有限公司 | Touch operation processing method and terminal |
| CN102622150A (en) * | 2012-02-22 | 2012-08-01 | 广东欧珀移动通信有限公司 | Static eliminating method for touch screen |
| US20120194471A1 (en) * | 2011-01-27 | 2012-08-02 | Samsung Electronics Co. Ltd. | Device having touch screen and method for changing touch mode thereof |
-
2012
- 2012-12-06 CN CN201210521606.0A patent/CN102999239B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295220A (en) * | 2004-01-07 | 2008-10-29 | 仁宝电脑工业股份有限公司 | Signal processing method for resistor type touch control plate |
| CN102004592A (en) * | 2010-07-27 | 2011-04-06 | 苏州瀚瑞微电子有限公司 | Capacitive touch screen scanning method |
| US20120194471A1 (en) * | 2011-01-27 | 2012-08-02 | Samsung Electronics Co. Ltd. | Device having touch screen and method for changing touch mode thereof |
| CN102346596A (en) * | 2011-11-14 | 2012-02-08 | 宇龙计算机通信科技(深圳)有限公司 | Touch operation processing method and terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460723A (en) * | 2019-08-01 | 2019-11-15 | 珠海格力电器股份有限公司 | Screen protection method, device, computer equipment and computer readable storage medium |
| CN111625174A (en) * | 2020-05-06 | 2020-09-04 | Oppo（重庆）智能科技有限公司 | Touch screen control method and device, electronic equipment and storage medium |
| CN111625174B (en) * | 2020-05-06 | 2022-01-04 | Oppo（重庆）智能科技有限公司 | Touch screen control method and device, electronic equipment and storage medium |
| CN114237420A (en) * | 2020-05-06 | 2022-03-25 | Oppo（重庆）智能科技有限公司 | Touch screen control method and device, electronic equipment and storage medium |
| CN114237420B (en) * | 2020-05-06 | 2023-08-15 | Oppo（重庆）智能科技有限公司 | Touch screen control method and device, electronic equipment and storage medium |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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