CN103472946A - Method for dynamically adjusting reporting rate of touch screen - Google Patents
Method for dynamically adjusting reporting rate of touch screen Download PDFInfo
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- CN103472946A CN103472946A CN2013103852352A CN201310385235A CN103472946A CN 103472946 A CN103472946 A CN 103472946A CN 2013103852352 A CN2013103852352 A CN 2013103852352A CN 201310385235 A CN201310385235 A CN 201310385235A CN 103472946 A CN103472946 A CN 103472946A
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- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
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Abstract
The invention discloses a method for dynamically adjusting the reporting rate of a touch screen. The method includes the following steps: (1), setting a detection time, and acquiring a threshold value of the number of coordinate points received by an application layer within the detection time according to an initial set value of the reporting rate of a single finger on the touch screen and the maximum value of the number of fingers that the touch screen can recognize at a same time; (2), setting a set value n1 smaller than the threshold value of the number of the coordinate points received by the application layer in step (1); (3), within the detection time, recognizing the number of currently-touching fingers by a touch screen terminal; calculating the number n of the coordinate points received by the application layer within the detection time by the touch screen terminal according to the reporting rate of the single finger currently touching the touch screen; (4), comparing n1 with n, if the n1 is larger than n, lowering the reporting rate of the single finger currently touching the touch screen, and if n1 is smaller than n, increasing the reporting rate of the single finger currently touching the touch screen. By the method, the reporting rate of the touch screen can be dynamically adjusted, and touch effect of the touch screen can be guaranteed.
Description
Technical field
The present invention relates to touching technique, particularly a kind of dynamic adjustment touch-screen reports the method for speed.
Background technology
Touch-screen be all fix report speed 80 points/second, report coordinate points to application layer, that is to say when finger slides on touch-screen, for each finger, touch-screen can report 80 point coordinate information to application layer by per second, for otiose touch coordinate dot information, also, according to 80 points/second reported data, take the main frame ample resources.If refer to, touch more, such as 5 fingers slide simultaneously on touch-screen, the per second application layer will be received the touch coordinate dot information of 400 left and right so, and this will cause great burden to system, the problem that causes the not smooth card of system operation to pause, even lost part touch information.
The Chinese invention patent that is CN101930319 at notification number discloses a kind of touch information reporting method of touch screen, and the method calculates the distance of previous frame touch point and present frame touch point according to the coordinate of the coordinate of previous frame touch point and present frame touch point; Determine according to the size of described distance the frequency reported, described distance is less, and the frequency reported is lower, and described distance is larger, and the frequency reported is higher.The method is mainly the frequency that the speed adjustment of moving according to touch point reports, and when the speed moved when touch point is slower, reduces the frequency reported, can reduce on host resource take and on the impact of main frame operation.But in the method, when by a plurality of fingers, acting on touch-screen, and the touch speed of each finger (being the speed that move touch point) is when very fast, still be easy to cause application layer to cause the excessive problem of system processing load because receiving too many coordinate points number, therefore the method is only suitable in the situation that in the unit interval, the touch point number is few uses, and is not suitable in the situation that refer to that touch is used fast more.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art with not enough, provide a kind of dynamic adjustment touch-screen to report the method for speed, under the state that the method refers to touch more, the speed that dynamic adjustment touch-screen reports, meet touch-screen and refer to the needs that touch more, can not make again the touch screen terminal card pause.
Purpose of the present invention is achieved through the following technical solutions: a kind of dynamic adjustment touch-screen reports the method for speed, comprises the following steps:
(1) set a detection time, report the initial settings v of speed according to single finger on touch-screen
maxand touch the maximal value of the finger number that the same time of touch-screen can identify, obtain the threshold value of the coordinate points number that interior application layer is received detection time;
(2) the setting value n who is less than threshold value of coordinate points number Threshold received according to application layer in step (1)
1;
(3) within detection time, the current finger number touched of touch screen terminal identification; According to the speed that reports of the single finger of current touch-screen, touch screen terminal calculates the coordinate points number n that in detection time, application layer is received;
(4) by step (3) coordinate points number n and setting value n that in middle detection time, application layer is received
1compare:
If setting value n
1while being greater than n, reduce the speed that reports of the single finger of current touch-screen;
If setting value n
1while being less than n, the speed that reports of the single finger of current touch-screen that raises;
Make the single finger after adjustment report speed to be adjusted into v
now:
Wherein a is:
Wherein t is detection time, and f is the current finger number touched of touch screen terminal identification.
The threshold value n of the coordinate points number that in the detection time of preferably, obtaining in described step (1), application layer is received
maxfor:
n
max＝v
max.f
max.t；
V wherein
maxfor the initial settings that report speed of single finger on touch-screen, the maximum of touch-screen reports speed; Described f
maxthe maximal value of the finger number that can identify for the same time of touch-screen, t is detection time.
Further, in described step (3), the coordinate points number n that the application layer of touch screen terminal is received within detection time is:
n＝v.f.t；
The speed that reports that wherein v is the single finger of current touch-screen, f is the current finger number touched of touch screen terminal identification.
Further, described detection time, t was 0.1 second, and described touch-screen reports the initial settings v of speed
maxbe 80 points/second, the maximal value f of the finger number that the same time of described touch-screen can be identified
maxbe 5, the threshold value n of the coordinate points number that the interior application layer of t detection time of obtaining is received
maxbe 40 points.
Further, described setting value n
1for detection time, in t, take do not take the system ample resources, coordinate points number that while causing system card to pause as prerequisite, application layer is received, described setting value n
1be 24 points.
Preferably, the speed that reports of described touch-screen reports register adjustment by touch screen terminal.
The present invention has following advantage and effect with respect to prior art:
(1) the present invention carries out dynamic adjustment the in real time according to the current detection coordinate points number that in the time, application layer receives to the speed that reports of touch-screen; When the coordinate points number received within detection time when application layer is greater than setting value, reduce the speed that reports of single finger on touch-screen, with mitigation system, bear, to touch screen terminal, operation causes burden to the coordinate points number of avoiding application layer to receive too large quantity, thereby causes touch screen terminal the phenomenons such as the not smooth and card of operation to occur; When the coordinate points number received within detection time when application layer is less than setting value, on the rising touch-screen single finger report speed, to guarantee the work efficiency of touch screen terminal.The inventive method according to application layer in detection time received coordinate points number adjust in real time the speed that reports of the single finger of touch-screen, guarantee to refer to touch bring the coordinate points number to report the burden that can effectively reduce system in too much situation, guarantee to touch effect more.By the inventive method touch-screen, report the adjustment of speed neither can affect the touch effect of touch-screen, can not cause again the card of system to pause, also can promote user's experience simultaneously.
(2) setting value in the inventive method not taking the system ample resources, cause system card to pause to set under prerequisite, after therefore having guaranteed that touch-screen reports speed to adjust, touch effect unaffected.
The accompanying drawing explanation
Fig. 1 is the process flow diagram of the inventive method.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the present embodiment discloses a kind of method that dynamic adjustment touch-screen reports speed, comprises the following steps:
(1) set a detection time, report the initial settings v of speed according to single finger on touch-screen
maxand touch the maximal value f of the finger number that the same time of touch-screen can identify
max, obtain the threshold value n of the coordinate points number that in detection time t, application layer is received
maxfor:
n
max＝v
max.f
max.t；
V
maxfor touch-screen reports the initial settings of speed, the maximum of touch-screen reports speed, f
maxthe maximal value of the finger number that can identify for the same time of touch-screen, t is detection time.V in the present embodiment
max=80 points/second, t=0.1S, f
max=5; So n
maxbe 40.
(2) according to establishing threshold value n
maxset one and be less than threshold value n
maxsetting value n
1, n wherein
1refer in detection time take do not take the system ample resources, coordinate points number that while causing system card to pause as prerequisite, application layer receives.
(3) in detection time t=0.1S, the current finger number f touched of touch screen terminal identification; According to current touch-screen report speed v, touch screen terminal calculates the coordinate points number n that in detection time, application layer is received, the coordinate points number n that wherein in the present embodiment, the application layer of touch screen terminal is received in detection time t is:
n＝v.f.t；
The speed that reports that v is the single finger touch of current touch-screen, the current finger number touched that f is touch screen terminal identification.
(4) the coordinate points number n interior application layer of step (3) middle detection time of t received and the setting value n of coordinate points number
1compare:
If setting value n
1while being greater than n, the register that reports by touch screen terminal reduces the speed that reports of the single finger of current touch-screen;
If setting value n
1while being less than n, touch screen terminal reports the raise speed that reports of the single finger of current touch-screen of register;
Make the single finger after adjustment report speed to be adjusted into v
now:
Wherein a is:
Setting value n in the present embodiment
1be 24 points, v
max=80 points/second.
If the coordinate points number n that application layer is received being detected in time t in step (3) is 32, the current finger number f touched of touch screen terminal identification is 4, and to report speed be 80 points/second, now setting value n to current each finger
1be less than n, need to report the mode of speed to reduce the coordinate points number that application layer is received by reduction; Calculating a by step (4) is 60, and now the value of a is less than v
maxtherefore, finger reports speed from 80 points/be adjusted into second v
now=a=60.
If the coordinate points number n that application layer is received being detected in time t in step (3) is 20, the current finger number f touched of touch screen terminal identification is 2, and to report speed be 40 points/second, now setting value n to current each finger
1be greater than n, need to report the mode of speed to increase the coordinate points number that application layer is received by rising, to guarantee the work efficiency of touch-screen; Calculating a by step (4) is 120, now meets a>=v
max, by finger, be to report speed to be adjusted into v
now=60 points/second.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (6)
1. dynamically adjust the method that touch-screen reports speed for one kind, it is characterized in that, comprise the following steps:
(1) set a detection time, report the initial settings v of speed according to single finger on touch-screen
maxand touch the maximal value of the finger number that the same time of touch-screen can identify, obtain the threshold value of the coordinate points number that interior application layer is received detection time;
(2) the setting value n who is less than threshold value of coordinate points number Threshold received according to application layer in step (1)
1;
(3) within detection time, the current finger number touched of touch screen terminal identification; According to the speed that reports of the single finger of current touch-screen, touch screen terminal calculates the coordinate points number n that in detection time, application layer is received;
(4) by step (3) coordinate points number n and setting value n that in middle detection time, application layer is received
1compare:
If setting value n
1while being greater than n, reduce the speed that reports of the single finger of current touch-screen;
If setting value n
1while being less than n, the speed that reports of the single finger of current touch-screen that raises;
Make the single finger after adjustment report speed to be adjusted into v
now:
Wherein a is:
Wherein t is detection time, and f is the current finger number touched of touch screen terminal identification.
2. dynamic adjustment touch-screen according to claim 1 reports the method for speed, it is characterized in that the threshold value n of the coordinate points number that in the detection time of obtaining in described step (1), application layer is received
maxfor:
n
max＝v
max.f
max.t；
V wherein
maxfor the initial settings that report speed of single finger on touch-screen, the maximum of touch-screen reports speed; Described f
maxthe maximal value of the finger number that can identify for the same time of touch-screen, t is detection time.
3. dynamic adjustment touch-screen according to claim 2 reports the method for speed, it is characterized in that, in described step (3), the coordinate points number n that the application layer of touch screen terminal is received within detection time is:
n＝v.f.t；
The speed that reports that wherein v is the single finger of current touch-screen, f is the current finger number touched of touch screen terminal identification.
4. report the method for speed according to the dynamic adjustment touch-screen described in claim 3, it is characterized in that, described detection time, t was 0.1 second, and described touch-screen reports the initial settings v of speed
maxbe 80 points/second, the maximal value f of the finger number that the same time of described touch-screen can be identified
maxbe 5, the threshold value n of the coordinate points number that the interior application layer of t detection time of obtaining is received
maxbe 40 points.
5. report the method for speed according to the dynamic adjustment touch-screen described in claim 4, it is characterized in that described setting value n
1be 24 points.
6. report the method for speed according to the described dynamic adjustment touch-screen of right 1, it is characterized in that, the speed that reports of described touch-screen reports register adjustment by touch screen terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310385235.2A CN103472946B (en) | 2013-08-29 | 2013-08-29 | A kind of dynamic conditioning touch-screen reports the method for speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310385235.2A CN103472946B (en) | 2013-08-29 | 2013-08-29 | A kind of dynamic conditioning touch-screen reports the method for speed |
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| Publication Number | Publication Date |
|---|---|
| CN103472946A true CN103472946A (en) | 2013-12-25 |
| CN103472946B CN103472946B (en) | 2016-03-09 |
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ID=49797827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679336A (en) * | 2015-03-12 | 2015-06-03 | 深圳市欧珀通信软件有限公司 | Method and device for adjusting touch screen parameters |
| CN104991673A (en) * | 2015-07-10 | 2015-10-21 | 上海斐讯数据通信技术有限公司 | Method and system for self-matching data reporting rate of touch screen |
| CN105955611A (en) * | 2016-04-26 | 2016-09-21 | 苏州乐聚堂电子科技有限公司 | Multimedia file quick browsing method used for touch screen device |
| CN109842727A (en) * | 2019-01-31 | 2019-06-04 | Oppo广东移动通信有限公司 | Report method, device, terminal and the storage medium of touching signals |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889022A (en) * | 2005-06-28 | 2007-01-03 | 联想(北京)有限公司 | Method and apparatus for switching contact control panel sampling rate |
| CN101930319A (en) * | 2010-09-08 | 2010-12-29 | 敦泰科技有限公司 | Touch information reporting method of touch screen |
| CN103235664A (en) * | 2013-04-27 | 2013-08-07 | 深圳市金立通信设备有限公司 | Terminal and control method of touch screen |
| US20130207925A1 (en) * | 2012-02-15 | 2013-08-15 | Andriy Ryshtun | Multi-purpose stylus antenna |
-
2013
- 2013-08-29 CN CN201310385235.2A patent/CN103472946B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889022A (en) * | 2005-06-28 | 2007-01-03 | 联想(北京)有限公司 | Method and apparatus for switching contact control panel sampling rate |
| CN101930319A (en) * | 2010-09-08 | 2010-12-29 | 敦泰科技有限公司 | Touch information reporting method of touch screen |
| US20130207925A1 (en) * | 2012-02-15 | 2013-08-15 | Andriy Ryshtun | Multi-purpose stylus antenna |
| CN103235664A (en) * | 2013-04-27 | 2013-08-07 | 深圳市金立通信设备有限公司 | Terminal and control method of touch screen |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679336A (en) * | 2015-03-12 | 2015-06-03 | 深圳市欧珀通信软件有限公司 | Method and device for adjusting touch screen parameters |
| CN104679336B (en) * | 2015-03-12 | 2017-10-17 | 广东欧珀移动通信有限公司 | Adjust the method and device of touch-screen parameter |
| CN104991673A (en) * | 2015-07-10 | 2015-10-21 | 上海斐讯数据通信技术有限公司 | Method and system for self-matching data reporting rate of touch screen |
| CN105955611A (en) * | 2016-04-26 | 2016-09-21 | 苏州乐聚堂电子科技有限公司 | Multimedia file quick browsing method used for touch screen device |
| CN109842727A (en) * | 2019-01-31 | 2019-06-04 | Oppo广东移动通信有限公司 | Report method, device, terminal and the storage medium of touching signals |
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| Publication number | Publication date |
|---|---|
| CN103472946B (en) | 2016-03-09 |
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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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Granted publication date: 20160309 |
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