CN107957827A - A kind of touch control identification method and system based on capacitive touch panel - Google Patents
A kind of touch control identification method and system based on capacitive touch panel Download PDFInfo
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- CN107957827A CN107957827A CN201711456551.9A CN201711456551A CN107957827A CN 107957827 A CN107957827 A CN 107957827A CN 201711456551 A CN201711456551 A CN 201711456551A CN 107957827 A CN107957827 A CN 107957827A
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- key
- button
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- key assignments
- touch
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses a kind of touch control identification method based on capacitive touch panel, it comprises the following steps：The key assignments of each single button of default and Macintosh, and set the key assignment combination scope licensed by simple function；System records the state of each button respectively, sets the rising edge indication and trailing edge mark of each button；System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；System defines the ranking order of each button, and generate short-press key assignments and long-press key assignments according to above-mentioned setting；System receives key command input by user, and accordingly performs operation according to the progress of key value tolerance band.A kind of touch-control identifying system based on capacitive touch panel, it includes：Key assignments setup module, key-press status setup module, button determining module, button execution module.It not only ensure that recognition accuracy, but also not increase recognition time, not influence sensitivity.It is widely used in touch-control field.
Description
Technical field
The present invention relates to touch-control field, is specially a kind of touch control identification method and system based on capacitive touch panel.
Background technology
Capacitance touch button is better than traditional mechanical key, capacitance touch in good appearance and service life etc.
The application field of button is also therefore increasingly extensive, including household electrical appliances, consumer electronics, Industry Control and mobile equipment etc..
But with the increase of touch function requirement, it is desirable to the size of touch key-press is less and less, more and more crowded,
Thus bring the problems such as manipulation is difficult, and recognition by pressing keys is slow, and error recognition rate is high.Respectively small by key spacing, many buttons have length
The difference in functionality of short-press, and the length specific function of two or three of key combinations.Using common stabilization processing mode, can elongate
Judge the time, can also judge by accident, fail to judge.
Currently in order to meeting that client increases touch key-press function and quantity demand, solution is to reduce to touch as much as possible
The size of button, difference set the sensitivity of different key, and the button operation of short time appearance is deleted with the method for time filtering,
Increase judges the recognition time and number of button, pulls open the distance between button, sacrifices aesthetic appearance come the arranged keys that misplace, increasing
Key spacing, or expand panel area.This virtually adds hardware cost, also has to detract product for Functional Requirement
Face value, reduce the pouplarity of product.
Therefore the technology is necessary to be improved.
The content of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of touch-control identification based on capacitive touch panel
Method and system.
The technical solution adopted in the present invention is：
The present invention provides a kind of touch control identification method based on capacitive touch panel, it comprises the following steps：
The key assignments of each single button of default and Macintosh, and set the key assignment combination scope licensed by simple function；
System records the state of each button respectively, sets the rising edge indication and trailing edge mark of each button；
System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree of single touching detected
Value, selects the relatively high key assignments of touch degree, abandons the relatively low key assignments of touch degree；
System defines the ranking order of each button, and generate short-press key assignments and long-press key assignments according to above-mentioned setting；
System receives key command input by user, and accordingly performs operation according to the progress of key value tolerance band.
As the improvement of the technical solution, the state of each button, including without by/pressing/in pressing/release.
As the improvement of the technical solution, the method further includes：After detecting that button reaches stable time interval,
The rising edge indication or trailing edge mark of button are set.
As the improvement of the technical solution, the time interval includes compressing time interval and release time interval, wherein
For the compressing time at intervals of 50ms to 100ms, the release time interval is 10ms to 30ms.
Further, the scope that system is defined according to key assignments, the long-short button key assignments that will determine that out, with reference to detect by
The changing condition of key assignments, filters out the touch key assignments of interference, and ruling exports currently valid key assignments.
On the other hand, the present invention also provides a kind of touch-control identifying system based on capacitive touch panel, it includes：
Key assignments setup module, the key assignments of each single button and Macintosh is set for performing step system, and is set single
Key assignment combination scope licensed by function；
Key-press status setup module, the state of each button is recorded for performing step system respectively, sets the upper of each button
Rise along mark and trailing edge mark；System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree of single touching detected
Value, selects the relatively high key assignments of touch degree, abandons the relatively low key assignments of touch degree；
Button determining module, for performing step system according to above-mentioned setting, defines the ranking order of each button, and generate
Short-press key assignments and long-press key assignments；
Button execution module, key command input by user is received for performing step system, and is permitted according to key value
Scope carries out accordingly performing operation.
The beneficial effects of the invention are as follows：Touch control identification method and system provided by the invention based on capacitive touch panel,
On the basis of hardware cost is not increased, solves the problems, such as the difficult identification of crowded touch key-press panel button.The long-press work(of button
Energy (such as more than 10S) will not the reclocking because of finger fine motion or touching unintentionally.Though button distance is near but not because slightly
Micro- deviation and it is invalid.The loosening of the priority of Macintosh and middle indivedual keys will not cause the elongation of button resolving time.It is more current
General delay stabilization filtering button, for this programme on the basis of hardware cost is not increased, it not only ensure that recognition accuracy, but also
Do not increase recognition time, do not influence sensitivity.Meanwhile using modularized design, it can flexibly increase and decrease single function and the combination of button
Function.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 a, 1b are the control schematic diagrams of first embodiment of the invention；
Fig. 2 is the schematic diagram of second embodiment of the invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.
With reference to Fig. 1 a, 1b, the present invention provides a kind of touch control identification method based on capacitive touch panel, it includes following step
Suddenly：
The key assignments of each single button of default and Macintosh, and set the key assignment combination scope licensed by simple function；
The key assignments license array of different type key is defined, its purpose is to the physical configuration and priority according to button, comes
Determine each function in short-press and long on time tolerable scope., may be short when by middle key for example some fingers is big
When trigger one in button up and down, software can recognize that out, on the basis of not increasing and judging the time, intelligently
Ignore this short-term operation, still lock current keypress function.
System records the state of each button respectively, sets the rising edge indication and trailing edge mark of each button；
The purpose is to record the state of a button：Without by/pressing/in pressing/release.When reaching basicly stable
Between after threshold such as presses 70ms/ releases 30ms, if value is to the rising edge indication or trailing edge mark of hardware.
System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree of single touching detected
Value, selects the relatively high key assignments of touch degree, abandons the relatively low key assignments of touch degree；
System defines the ranking order of each button, and generate short-press key assignments and long-press key assignments according to above-mentioned setting；
Key-press status data during the purpose is to record more key pressings, for judging touching unintentionally in short-term for other buttons.
If multikey triggers at the same time, judge which key assignments number finger is more likely to according to the offset of button output, i.e., according to each key
The degree touched accepts or rejects button, i.e. key assignments competition and ruling.
The scope defined according to key assignments, the long-short button key assignments that will have determined that, with reference to the value of current generation button
Changing condition, filters out those touch key assignments in short-term unintentionally, determines that the real key of user is intended to, ruling output currently has
The key assignments of effect.Specifically method is：The short button value of long keying key assignments that this section come into force and appearance is recorded per 300ms,
Retain the length key key assignments of nearest 900ms altogether, these values are to roll to preserve, i.e., whenever producing new long-short button value, are stored into
" current 300ms record windows memory block ", and the value of former " current 300ms record windows memory block " be stored into " shortly past
300ms record windows memory block ", exist it is former " shortly past 300ms record windows memory block " value be stored into " 300ms in the early time
Record window memory block ", the value of former " 300ms record windows memory block in the early time " are dropped.I.e. so-called " pushing box ".
Using the above-mentioned key assignments that these are clearly regenerated, the function mark to be performed uniformly is set：Invalid key operation,
Three key class long-press operate, the operation of three key class short-press, the operation of two key class long-press, the operation of two key class short-press, and the operation of singly-bound class long-press is single
Key class short-press operates.Aggregation process here, easy to extend and change.
System receives key command input by user, and accordingly performs operation according to the progress of key value tolerance band.
As the improvement of the technical solution, the state of each button, including without by/pressing/in pressing/release.
As the improvement of the technical solution, the method further includes：After detecting that button reaches stable time interval,
The rising edge indication or trailing edge mark of button are set.
As the improvement of the technical solution, the time interval includes compressing time interval and release time interval, wherein
For the compressing time at intervals of 50ms to 100ms, the release time interval is 10ms to 30ms.
Further, the scope that system is defined according to key assignments, the long-short button key assignments that will determine that out, with reference to detect by
The changing condition of key assignments, filters out the touch key assignments of interference, and ruling exports currently valid key assignments.
This programme is increased without hardware cost, and pitch routing between the button recommended using touch key-press chip used, is adopted
The button area recommended with touch key-press chip used sets button size, without worrying the crowded of button, to realize panel
Beautiful arrangement create stringent environment.It does not increase the identification time of button, it is possible to reduces the erroneous judgement chance and mistake of button
Sentence chance, the sensitivity of periphery touch key-press will not be sacrificed in order to realize the function of individual keys.And the present invention uses
Key assignments identification function, is divided into four modules by modularized design：Key assignments setup module, key-press status setup module, button determine
Module and button execution module.Different MCU platforms are changed and be transplanted to, key assignments setup module need to be only changed and button performs mould
Definition in the block, easy to extend and define the function of single button, also can easily increase and decrease and change determining for combination button
Justice.
With reference to Fig. 2, the present invention also provides a kind of touch-control identifying system based on capacitive touch panel, it includes：
Key assignments setup module, the key assignments of each single button and Macintosh is set for performing step system, and is set single
Key assignment combination scope licensed by function；
Key-press status setup module, the state of each button is recorded for performing step system respectively, sets the upper of each button
Rise along mark and trailing edge mark；System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree of single touching detected
Value, selects the relatively high key assignments of touch degree, abandons the relatively low key assignments of touch degree；
Button determining module, for performing step system according to above-mentioned setting, defines the ranking order of each button, and generate
Short-press key assignments and long-press key assignments；
Button execution module, key command input by user is received for performing step system, and is permitted according to key value
Scope carries out accordingly performing operation.
Touch control identification method and system provided by the invention based on capacitive touch panel, are not increasing the base of hardware cost
On plinth, solves the problems, such as the difficult identification of crowded touch key-press panel button.The long-press function (such as more than 10S) of button will not be because
Finger fine motion or touching unintentionally and reclocking.Though button distance is near but not invalid because of somewhat deviation.Macintosh
The loosening of priority and middle indivedual keys will not cause the elongation of button resolving time.Relatively general at present delay stabilization filtering is pressed
Key, this programme is not on the basis of hardware cost is increased, it not only ensure that recognition accuracy, but also not increase recognition time, not shadow
Ring sensitivity.Meanwhile using modularized design, it can flexibly increase and decrease the single function and combination function of button.
Above is the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of touch control identification method based on capacitive touch panel, it is characterised in that it comprises the following steps：
The key assignments of each single button of default and Macintosh, and set the key assignment combination scope licensed by simple function；
System records the state of each button respectively, sets the rising edge indication and trailing edge mark of each button；
System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree value of single touching detected, choosing
Go out the relatively high key assignments of touch degree, abandon the relatively low key assignments of touch degree；
System defines the ranking order of each button, and generate short-press key assignments and long-press key assignments according to above-mentioned setting；
System receives key command input by user, and accordingly performs operation according to the progress of key value tolerance band.
2. the touch control identification method according to claim 1 based on capacitive touch panel, it is characterised in that：Each button
State, including without by/pressing/in pressing/release.
3. the touch control identification method according to claim 1 based on capacitive touch panel, it is characterised in that the method is also
Including：After detecting that button reaches stable time interval, the rising edge indication or trailing edge mark of button are set.
4. the touch control identification method according to claim 3 based on capacitive touch panel, it is characterised in that between the time
Every including compressing time interval and release time interval,
For wherein described compressing time at intervals of 50ms to 100ms, the release time interval is 10ms to 30ms.
5. the touch control identification method according to any one of claims 1 to 4 based on capacitive touch panel, it is characterised in that
The scope that system is defined according to key assignments, the long-short button key assignments that will determine that out, with reference to the changing condition of the key value detected, mistake
The touch key assignments of interference is filtered, ruling exports currently valid key assignments.
6. a kind of touch-control identifying system based on capacitive touch panel, it is characterised in that it includes：
Key assignments setup module, the key assignments of each single button and Macintosh is set for performing step system, and sets simple function
Licensed key assignment combination scope；
Key-press status setup module, the state of each button is recorded for performing step system respectively, sets the rising edge of each button
Mark and trailing edge mark；System records the duration of long-press key pressing, and sets the mark of corresponding keys long-press；
System detectio to multiple touch key-press occur at the same time in short-term when, according to the touch degree value of single touching detected, choosing
Go out the relatively high key assignments of touch degree, abandon the relatively low key assignments of touch degree；
Button determining module, for performing step system according to above-mentioned setting, defines the ranking order of each button, and generate short-press
Key assignments and long-press key assignments；
Button execution module, key command input by user is received for performing step system,
And carried out accordingly performing operation according to key value tolerance band.
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| CN201711456551.9A CN107957827B (en) | 2017-12-28 | 2017-12-28 | Touch identification method and system based on capacitive touch panel |
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| CN201711456551.9A CN107957827B (en) | 2017-12-28 | 2017-12-28 | Touch identification method and system based on capacitive touch panel |
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| CN107957827A true CN107957827A (en) | 2018-04-24 |
| CN107957827B CN107957827B (en) | 2021-09-24 |
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| CN111820710A (en) * | 2019-04-22 | 2020-10-27 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking appliance and function state setting method thereof |
| CN115963932A (en) * | 2023-03-16 | 2023-04-14 | 苏州多感科技有限公司 | Method and system for identifying user pressing operation based on optical flow sensor |
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| CN107957827B (en) | 2021-09-24 |
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