CN112532226B - Novel touch man-machine interaction processing method - Google Patents
Novel touch man-machine interaction processing method Download PDFInfo
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/9618—Touch switches using a plurality of detectors, e.g. keyboard
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Abstract
The invention discloses a novel touch man-machine interaction processing method, which is divided into two man-machine interaction modes of point-movement touch and sliding control ring touch, wherein the point-movement touch can identify short-time pressing or long-time pressing of one key or a plurality of keys by fingers, the sliding control ring touch is specifically a 360-degree clockwise or anticlockwise sliding control ring touch gesture, the uninterrupted or arbitrary small-angle sliding control touch can identify finger touch actions, the operation gesture is novel and creative, the man-machine interaction interface is fashionable and cool, and the market competitiveness of products can be improved. The invention has the advantages of stable touch performance, low price cost and strong anti-interference performance, solves the problems of less touch channels and unstable performance of domestic touch chips, and can be widely applied to household appliances sensitive to price cost, such as refrigerators, water dispensers, water purifiers, ovens and the like.
Description
Technical Field
The invention relates to the technical field of household appliance application electronics, in particular to a novel touch man-machine interaction processing method.
Background
At present, a human-computer interaction mode of touch keys is commonly adopted in household appliances, the touch modes are various, the touch keys are more and more, and the traditional mechanical keys are difficult and inconvenient to operate due to high failure rate in long-time use, so that the traditional mechanical keys are gradually eliminated by the market. The domestic touch chip has stable performance and low price cost, but the domestic chips with more than 16 touch channels and more than 20 touch channels have unstable performance, and the foreign imported brands have expensive price, so that the domestic touch chip is not suitable for small household appliances sensitive to price cost; traditional sliding touch is generally a non-recyclable intermittent sliding gesture, and can not be recognized by sliding at any short distance, so that user experience is poor, and products have no market competitiveness.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a man-machine interaction processing method based on a domestic touch chip, which aims to solve the technical problems of few touch channels and unstable performance of the domestic touch chip.
A novel touch human-computer interaction processing method, the method comprising:
Inching touch: the first touch chip firstly identifies a inching touch key value, wherein the inching touch key value comprises different key values corresponding to one or a plurality of keys which are touched simultaneously, then the main MCU performs key identification timing, and finally corresponding event judgment is performed according to the key value and the key duration.
Touch of the sliding control ring: the second touch chip firstly identifies a sliding control ring touch key value, wherein the sliding control ring touch key value is a key value corresponding to a single key in the annular sliding touch key group, then the main MCU performs key identification timing, and finally corresponding event judgment is made according to the change condition of the key value in a preset time.
Further, the first touch chip and the second touch chip are home-made low-cost touch chips with the channel number smaller than 16.
Further, the jog touch includes four key types, each of which may include one or more key types:
(1) At the moment T0, one key is touched by one finger, the key identification period timing is started, and at the moment T0 and T1, if the key value is kept unchanged, a single-finger short-press triggering event Kv1 is judged;
(2) At the moment T0, one key is touched by a single finger, key identification period timing is started, at the moment T0+T1, T1 is smaller than T2, if the key value is kept unchanged and the key value at the moment T0+T2 is 0, T1 is smaller than T2 and is smaller than T2, a single-finger short-time release event Kv2 is judged;
(3) At the moment T0, one key is touched by a single finger, the key identification period timing is started, and at the moment T0 and T3, if the key value is kept unchanged, a single-finger long-press trigger event Kv3 is judged;
(4) At the time T0, the finger touches two or more keys at the same time, the key identification period timing is started, and if the key value is kept unchanged at the time T0+t3, the multi-finger long-press trigger event Kv4 is judged;
Wherein T1 and T2 are touch times, T1, T2 and T3 are preset times, and T1 is more than 0 and T2 is more than 0 and less than T3; wherein the same key cannot contain both Kv1 and Kv3.
Further, the inching touch is provided with a plurality of inching touch keys, and the keys are divided into the following four types:
(1) The first type of key comprises two key types: kv3- -single finger long press 2s trigger, kv2- -single finger short press 1s release;
(2) The second key comprises a key type: kv1- -single finger short press 20 ms;
(3) The third type of key comprises a key type: kv2- -single finger short press release within 1 s;
(4) The fourth key comprises a key type: kv4- -long press 2s trigger;
the following is a key type Kv1-Kv4 identification process:
① The key type Kv1 comprises the following steps:
step 110, at the moment of T0, any key in the second keys is touched by a single finger, and key identification period timing is started;
step 120, at time T0+20ms, if the key value is kept unchanged, the main MCU judges that the key type is Kv1;
and 130, waiting for the finger to release the key by the subsequent main MCU, resetting the touch recognition period timing, and accumulating the key recognition period timing if the finger is not released all the time, wherein the accumulated key recognition period timing is unchanged when the accumulated key recognition period timing reaches the maximum value.
② The key type Kv2 comprises the following steps:
Step 210, at the time of T0, touching any one of the first key or the third key with a single finger, and starting key identification cycle timing;
step 220, at time T0+T1, 20ms < T1<1s, if the key value is kept unchanged, the state of the main MCU is key type Kv2 judgment enabling;
in step 230, at time t0+t2, T1< T2<1s, the key is released by a single finger, the main MCU determines the key type Kv2, and the key identification cycle timer and the key Kv2 determination enable zero clearing are performed.
③ The key type Kv3 comprises the following steps:
step 310, at the time of T0, a single finger starts to touch any key in the first keys, and starts to count the key identification period;
step 320, at time T0+2s, if the key value remains unchanged, the main MCU determines that the key type is Kv3;
And 330, waiting for the finger to release the key by the subsequent main MCU, resetting the touch recognition period timing, and accumulating the key recognition period timing if the finger is not released all the time, wherein the accumulated key recognition period timing is unchanged when the accumulated key recognition period timing reaches the maximum value.
④ The key type Kv4 comprises the following steps:
Step 410, at time T0, the finger touches two or more keys in the fourth key simultaneously, and starts key identification cycle timing;
step 420, at time T0+2s, if the key value remains unchanged, the main MCU determines that the key type is Kv4;
Step 430, the subsequent main MCU waits for the finger to release the key, clears the touch recognition period timing, and if the finger is not released all the time, the key recognition period timing is accumulated, and if the accumulated value reaches the maximum value, the accumulated value is kept unchanged.
Further, the sliding control ring touch is a circular sliding control ring touch track formed by more than 12 touch keys which are uniformly distributed in an annular shape.
Further, the slip ring touch includes a clockwise slip gesture and a counterclockwise slip gesture.
Further, the processing steps of the sliding control ring touch clockwise sliding gesture are as follows:
Step 510, the finger starts to touch the initial Key on the sliding control ring, the default timing period is cleared, and the touch recognition period starts to time, and the initial value of the Key is Key 'x';
step 520, if the Key value becomes Key "x+1" in the preset time during the touch recognition period, determining that the gesture slides clockwise by one step, and clearing the timing period, wherein the Key initial value is changed to Key "x+1";
Step 530, if the Key value becomes Key "x+2" in the preset time during the touch recognition period, determining that the gesture is a clockwise sliding gesture, and clearing the timing period, wherein the Key initial value is changed into Key "x+2";
Subsequent steps and the like, fingers continuously slide in a clockwise ring shape, and clockwise sliding gestures are continuously generated.
Further, the processing steps of the counterclockwise sliding gesture of the sliding control ring touch are as follows:
step 610, the finger starts touching the initial key on the slide control ring, the default timing period is cleared, and the touch recognition period is started to time;
step 620, if the Key value becomes Key maximum value Key "y" in the preset time during the touch recognition period, determining that the gesture slides counterclockwise by one step, and clearing the timing period, wherein the Key initial value is changed to Key "y";
step 630, if the Key value becomes Key "y-1" in the preset time during the touch recognition period, determining that the gesture slides anticlockwise by one step, and clearing the timing period, wherein the Key initial value is changed into Key "y-1";
Subsequent steps and the like, the fingers continuously slide in a circular way in a counterclockwise direction, and a counterclockwise sliding gesture is continuously generated.
The invention has the beneficial effects that:
the touch man-machine interaction processing method is divided into two man-machine interaction modes of point-action touch and sliding control ring touch, wherein the point-action touch can identify short-time pressing or long-time pressing of one key or a plurality of keys by fingers, the sliding control ring touch is specifically a 360-degree clockwise or anticlockwise sliding control ring touch gesture, the finger touch action can be identified by uninterrupted or arbitrary small-angle sliding control touch, the operation gesture is novel and creative, the man-machine interaction interface is fashionable and cool, and the market competitiveness of products can be improved. The invention has the advantages of stable touch performance, low price cost and strong anti-interference performance, solves the problems of less touch channels and unstable performance of domestic touch chips, and can be widely applied to household appliances sensitive to price cost, such as refrigerators, water dispensers, water purifiers, ovens and the like.
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The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The embodiment is an embedded steam oven, which comprises 8 click keys and 12 annular sliding touch keys, and is described in detail below in two major parts.
A first part: 8 click button processing
In this embodiment, there are 8 touch keys (key 1-key 8), and more specifically, the following 4 types are used:
1. key1 contains 2 key types: kv3- -single finger long press 2s trigger, kv2- -single finger short press 1s release;
2. The 5 keys key 2-key 6 each contain 1 key type: kv1- -single finger short press 20 ms;
3. key7 contains 1 key type: kv2- -single finger short press release within 1 s;
4. the 2 keys key7, key8 contain 1 key type: kv4- -long press 2s trigger with two fingers;
The first touch chip can timely and accurately identify the finger touch key action, meanwhile, the first touch chip transmits key value information to the main MCU, and the main MCU is responsible for processing the key value and changing the key value into the 4 effective key types. The first touch chip and the main MCU are a microcontroller, can read and write and run program codes input by technicians for multiple times, and write the program codes in the memory space of the chip in a nonvolatile way.
The following is a specific procedure for Kv1-Kv4 recognition:
1. Key type Kv1: the single-finger short press is triggered by 20ms, taking key2 key as an example, and comprises the following steps:
step 110, at the moment of T0, a single finger starts touching a key2 key and starts key identification period timing;
Step 120, at the moment of T0+20ms, the key2 key is still touched by a single finger, and the main MCU judges the key type Kv1;
And 130, waiting for the finger to release the key2 key by the subsequent main MCU, clearing the touch recognition period timing, preparing for the next touch recognition, and accumulating the key recognition period timing if the finger is not released all the time and keeping unchanged when the accumulated value reaches the maximum value.
2. Key type Kv2: the single finger short press is released within 1s, taking key1 as an example, and comprises the following steps:
Step 210, at the time of T0, the key1 key is touched by a single finger, and the key identification period timing is started;
Step 220, at time T0+T1 (20 ms < T1<1 s), the key1 key is still touched by a single finger, and the state of the main MCU is key type Kv2 judgment enabling;
In step 230, at time t0+t2 (T1 < T2<1 s), the key1 is released by a single finger, the main MCU determines the key type Kv2, and the key identification cycle timer and the key Kv2 determination enable zero clearing are prepared for the next key identification.
3. Key type Kv3: the single finger long press 2s trigger takes key1 key as an example, and comprises the following steps:
step 310, at the time of T0, a single finger starts touching a key1 key and starts key identification period timing;
Step 320, at time T0+2s, the key1 key is still touched by a single finger, and the main MCU judges the key type Kv3;
And 330, the subsequent main MCU waits for the finger to release the key1 button, clears the touch recognition period timing, prepares for the next touch recognition, and if the finger is not released all the time, the button recognition period timing is accumulated, and the accumulated value is kept unchanged.
4. Key type Kv4: the long-press 2s of the double fingers is triggered, taking 2 keys of key7 and key8 as an example, the method comprises the following steps:
Step 410, at time T0, the 2 fingers touch key7 and key8 keys respectively, and start key identification period timing;
Step 420, at time T0+2s, the 2 fingers still touch keys 7 and 8, and the main MCU judges the key type Kv4;
And 430, waiting for the fingers to release keys 7 and 8 by the subsequent main MCU, resetting the touch recognition period timing to prepare for the next touch recognition, and accumulating the key recognition period timing if the fingers are not released all the time and keeping unchanged when the accumulated key recognition period timing reaches the maximum value.
Additionally, key1 of this embodiment cannot contain 2 key identification value types at the same time: single-finger long press 2s trigger and single-finger short press 20ms trigger; in this embodiment, when the finger touches any key 1-key 8, 12 annular sliding touch keys are simultaneously touched, which is regarded as an invalid touch key.
A second part: processing of 12 annular sliding touch keys
In this embodiment, there are 12 annular sliding touch keys, and the finger slides along the annular track to touch the keys, so that the second touch chip can accurately identify key values in time, and the finger corresponds to different key values when sliding across the touch keys, and meanwhile, the second touch chip transmits key value information to the main MCU, which is responsible for processing the key values to become effective key identification events, and the second touch chip and the first touch chip are both of the same type.
The 12 sliding touch keys of the part are uniformly distributed into a circle at intervals of 30 degrees, 12O' clock is defined as Key Key1, key Key2 is defined clockwise in sequence, key Key3 is reached, the main MCU sets 5ms for each Key identification period, and the maximum effective identification time is 300ms. Sliding the touch key along the annular track by the finger can generate 2 sliding control gestures: a one-step gesture with clockwise swipe and a one-step gesture with counterclockwise swipe.
Specifically, the clockwise sliding one-step gesture recognition processing comprises the following steps:
step 510, the moment when the finger starts to touch one Key in a sliding manner is recorded as T0, the default timing period is cleared (assuming that the Key initial value is Key 1), and Key identification timing is started;
Step 520, the touch recognition period is counted up to T1, (T1 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value is changed to Key2, the gesture is determined to slide clockwise by one step, the timing period is cleared, and the Key initial value is changed to Key2;
Step 530, the touch recognition period is counted up to T2, (T2 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value is changed to Key3, the gesture is judged to slide clockwise by one step, meanwhile, the counting period is cleared, and the Key initial value is changed to Key3;
Step 540, the touch recognition period is counted up to T3, (T3 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value is changed to Key4, the gesture is determined to slide clockwise by one step, the timing period is cleared, and the Key initial value is changed to Key4;
Subsequent steps are processed in the same way, and fingers continuously slide in a clockwise ring, so that clockwise sliding gestures can be continuously generated. It should be noted that if the timings of T1, T2, and T3 are greater than 300ms, the clockwise swipe gesture is not generated.
In addition, in step 520, the touch recognition period is counted and accumulated to T1 (T1 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value becomes Key12, the gesture is determined to slide counterclockwise by one step, the timing period is cleared, and the Key initial value is changed to Key12; in each subsequent step, the main MCU processes according to the same logic, and according to the change of the finger sliding direction, the clockwise or anticlockwise sliding gesture can be correspondingly determined.
Specifically, the gesture recognition processing of anticlockwise sliding is divided into the following steps:
Step 610, the moment when the finger starts to touch one Key in a sliding manner is marked as T0, the default timing period is cleared (assuming that the Key initial value is Key 1), and Key identification timing is started;
step 620, the touch recognition period is counted up to T1 (T1 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value is changed into Key12, the gesture is judged to slide anticlockwise by one step, the timing period is cleared, and the Key initial value is changed into Key12;
Step 630, the touch recognition period is counted up to T2 (T2 is more than or equal to 5ms and less than or equal to 300 ms), if the Key value is changed into Key11, the gesture is judged to slide anticlockwise by one step, the timing period is cleared, and the Key initial value is changed into Key11;
step 640, accumulating the touch recognition period to T3 (T3 is more than or equal to 5ms and less than or equal to 300 ms) in a timing way, if the Key value is changed to Key10, determining that the gesture slides anticlockwise by one step, and clearing the timing period at the same time, wherein the Key initial value is changed to Key10;
subsequent steps are processed in the same manner, and the fingers continuously slide in a circular manner in a counterclockwise direction, so that a counterclockwise sliding gesture is continuously generated. It should be noted that if the timings of T1, T2, and T3 are greater than 300ms, the counterclockwise swipe gesture is not generated.
In addition, in step 620, the touch recognition period reaches T1 (T1 is more than or equal to 5ms and less than or equal to 300 ms) in a timing manner, if the Key value becomes Key2, the gesture is determined to slide clockwise by one step, the timing period is cleared, and the Key initial value is changed into Key2; in each subsequent step, the main MCU processes according to the same logic, and according to the change of the finger sliding direction, the clockwise or anticlockwise sliding gesture can be correspondingly determined.
The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. The novel touch man-machine interaction processing method is characterized by comprising the following steps of:
Inching touch: the first touch chip firstly recognizes a inching touch key value, wherein the inching touch key value comprises different key values corresponding to one or a plurality of keys which are touched at the same time, then the main MCU performs key recognition timing, and finally, corresponding event judgment is performed according to the key value and the key duration;
touch of the sliding control ring: the second touch chip firstly identifies a sliding control ring touch key value, wherein the sliding control ring touch key value is a key value corresponding to a single key in the annular sliding touch key group, then the main MCU performs key identification timing, and finally corresponding event judgment is made according to the change condition of the key value in a preset time;
The inching touch is provided with a plurality of inching touch keys, and the keys are divided into the following four types:
(1) The first type of key comprises two key types: kv3- -single finger long press 2s trigger, kv2- -single finger short press 1s release;
(2) The second key comprises a key type: kv1- -single finger short press 20 ms;
(3) The third type of key comprises a key type: kv2- -single finger short press release within 1 s;
(4) The fourth key comprises a key type: kv4- -long press 2s trigger;
the following is a key type Kv1-Kv4 identification process:
the key type Kv1 comprises the following steps:
step 110, at the moment of T0, any key in the second keys is touched by a single finger, and key identification period timing is started;
step 120, at time T0+20ms, if the key value is kept unchanged, the main MCU judges that the key type is Kv1;
Step 130, the subsequent main MCU waits for the finger to release the key, clears the touch recognition period timing, and if the finger is not released all the time, the key recognition period timing is accumulated, and the accumulated value is kept unchanged;
the key type Kv2 comprises the following steps:
Step 210, at the time of T0, touching any one of the first key or the third key with a single finger, and starting key identification cycle timing;
step 220, at time T0+T1, 20ms < T1<1s, if the key value is kept unchanged, the state of the main MCU is key type Kv2 judgment enabling;
Step 230, at time T0+T2, T1< T2<1s, the key is released by a single finger, the main MCU judges the key type Kv2, and the key identification period timing and the key Kv2 judging enable zero clearing are carried out at the same time;
the key type Kv3 comprises the following steps:
step 310, at the time of T0, a single finger starts to touch any key in the first keys, and starts to count the key identification period;
step 320, at time T0+2s, if the key value remains unchanged, the main MCU determines that the key type is Kv3;
step 330, the subsequent main MCU waits for the finger to release the key, clears the touch recognition period timing, and if the finger is not released all the time, the key recognition period timing is accumulated, and the accumulated value is kept unchanged;
④ The key type Kv4 comprises the following steps:
Step 410, at time T0, the finger touches two or more keys in the fourth key simultaneously, and starts key identification cycle timing;
step 420, at time T0+2s, if the key value remains unchanged, the main MCU determines that the key type is Kv4;
Step 430, the subsequent main MCU waits for the finger to release the key, clears the touch recognition period timing, and if the finger is not released all the time, the key recognition period timing is accumulated, and if the accumulated value reaches the maximum value, the accumulated value is kept unchanged.
2. The novel touch man-machine interaction processing method of claim 1, wherein the first touch chip and the second touch chip are domestic touch chips with the number of channels smaller than 16.
3. The novel touch man-machine interaction processing method according to claim 1, wherein the click touch comprises the following four key types, and each key can comprise one or more key types:
(1) At the moment T0, one key is touched by one finger, the key identification period timing is started, and at the moment T0 and T1, if the key value is kept unchanged, a single-finger short-press triggering event Kv1 is judged;
(2) At the moment T0, one key is touched by a single finger, key identification period timing is started, at the moment T0+T1, T1 is smaller than T2, if the key value is kept unchanged and the key value at the moment T0+T2 is 0, T1 is smaller than T2 and is smaller than T2, a single-finger short-time release event Kv2 is judged;
(3) At the moment T0, one key is touched by a single finger, the key identification period timing is started, and at the moment T0 and T3, if the key value is kept unchanged, a single-finger long-press trigger event Kv3 is judged;
(4) At the time T0, the finger touches two or more keys at the same time, the key identification period timing is started, and if the key value is kept unchanged at the time T0+t3, the multi-finger long-press trigger event Kv4 is judged;
wherein T1 and T2 are touch times, T1, T2 and T3 are preset times, and T1 is more than 0 and T2 is more than 0 and less than T3;
wherein the same key cannot contain both Kv1 and Kv3.
4. The novel touch man-machine interaction processing method of claim 1, wherein the sliding control ring touch is a circular sliding control ring touch track formed by more than 12 touch keys in a circular uniform distribution.
5. The novel touch man-machine interaction processing method is characterized by comprising the following steps of:
Inching touch: the first touch chip firstly recognizes a inching touch key value, wherein the inching touch key value comprises different key values corresponding to one or a plurality of keys which are touched at the same time, then the main MCU performs key recognition timing, and finally, corresponding event judgment is performed according to the key value and the key duration;
Touch of the sliding control ring: the second touch chip firstly identifies a sliding control ring touch key value, wherein the sliding control ring touch key value is a key value corresponding to a single key in the annular sliding touch key group, then the main MCU performs key identification timing, and finally corresponding event judgment is made according to the change condition of the key value in a preset time; the slip ring touch includes a clockwise slip gesture and a counterclockwise slip gesture; the processing steps of the clockwise sliding gesture of the sliding control ring touch are as follows:
Step 510, the finger starts to touch the initial Key on the sliding control ring, the default timing period is cleared, and the touch recognition period starts to time, and the initial value of the Key is Key 'x';
step 520, if the Key value becomes Key "x+1" in the preset time during the touch recognition period, determining that the gesture slides clockwise by one step, and clearing the timing period, wherein the Key initial value is changed to Key "x+1";
Step 530, if the Key value becomes Key "x+2" in the preset time during the touch recognition period, determining that the gesture is a clockwise sliding gesture, and clearing the timing period, wherein the Key initial value is changed into Key "x+2";
Subsequent steps and the like, fingers continuously slide in a clockwise ring shape, and clockwise sliding gestures are continuously generated.
6. The novel touch man-machine interaction processing method is characterized by comprising the following steps of:
Inching touch: the first touch chip firstly recognizes a inching touch key value, wherein the inching touch key value comprises different key values corresponding to one or a plurality of keys which are touched at the same time, then the main MCU performs key recognition timing, and finally, corresponding event judgment is performed according to the key value and the key duration;
touch of the sliding control ring: the second touch chip firstly identifies a sliding control ring touch key value, wherein the sliding control ring touch key value is a key value corresponding to a single key in the annular sliding touch key group, then the main MCU performs key identification timing, and finally corresponding event judgment is made according to the change condition of the key value in a preset time; the slip ring touch includes a clockwise slip gesture and a counterclockwise slip gesture; the processing steps of the anticlockwise sliding gesture of the sliding control ring touch are as follows:
step 610, the finger starts touching the initial key on the slide control ring, the default timing period is cleared, and the touch recognition period is started to time;
step 620, if the Key value becomes Key maximum value Key "y" in the preset time during the touch recognition period, determining that the gesture slides counterclockwise by one step, and clearing the timing period, wherein the Key initial value is changed to Key "y";
step 630, if the Key value becomes Key "y-1" in the preset time during the touch recognition period, determining that the gesture slides anticlockwise by one step, and clearing the timing period, wherein the Key initial value is changed into Key "y-1";
Subsequent steps and the like, the fingers continuously slide in a circular way in a counterclockwise direction, and a counterclockwise sliding gesture is continuously generated.
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