CN111984182B - Combination key identification method, device, equipment and readable access medium - Google Patents
Combination key identification method, device, equipment and readable access medium Download PDFInfo
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- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0489—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using dedicated keyboard keys or combinations thereof
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Abstract
The invention belongs to the technical field of data processing, and discloses a method, a device, equipment and a readable access medium for identifying a combination key. The identification method comprises the following steps: if the current key value of the combined key is the key value of the combined key when the key is pressed for the first time, backing up the current key value to obtain a track backup key value; otherwise, performing OR operation on the previous key value and the current key value to obtain a track key value; judging whether the track key value is the same as the track backup key value; if the data are the same, powering on again for initialization; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value; judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; and if so, assigning the track key value to the track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of the new combination key. The invention realizes that the key value of a combined key can be output every time a key in a pressed state is added in the combined key.
Description
Technical Field
The invention belongs to the technical field of data processing, and particularly relates to a method, a device, equipment and a readable access medium for identifying a combination key.
Background
In the control system, a key or touch is often used as a main way for inputting information interactively. When the number of keys is small and the number of control functions to be implemented is large, the control functions need to be defined in the form of combination keys. However, the increase and decrease of the combination keys and the difference of the combination forms can correspond to different functional requirements.
Disclosure of Invention
In order to enable the combination key to define more functional requirements, the invention provides a combination key identification method.
The invention also aims to provide a device, equipment and a readable access medium adopting the method for identifying the combination key.
The invention is realized by adopting the following scheme:
a method for identifying a combination key, the method comprising the steps of:
electrifying and initializing to ensure that all keys forming the combined key are in a loose state;
acquiring a current key value of a combination key;
if the current key value of the combined key is the key value of the combined key when the key is pressed for the first time, backing up the current key value to obtain a track backup key value;
if the current key value of the combined key is the key value of the combined key when the key is not pressed for the first time, carrying out OR operation on the previous key value of the combined key and the current key value to obtain a track key value representing track change of the combined key;
judging whether the track key value is the same as the track backup key value; if the data are the same, electrifying and initializing again; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value;
judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; if so, assigning the track key value as a track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of the new combination key.
The key value marks of all keys of the combined key are marked by adopting binary combinations, wherein 0 represents that a certain key is in a pressed state and 1 represents that a certain key is in a released state; or 0 represents that a certain key is in a released state and 1 represents that a certain key is in a pressed state.
As a further improvement of the method for identifying a combination key of the present invention, the step of performing power-on initialization to make all keys constituting the combination key in a released state specifically includes:
powering up the system;
and acquiring the pressing state of each key of the combined key until all keys of the combined key are in a loose state.
The method for identifying the combined key is further improved in that the initial values of the current key value, the track key value and the track backup key value of the combined key are all null values.
As a further improvement of the combination key identification method of the present invention, different functions are defined by the states of the keys.
As a further improvement of the combination key identification method of the present invention, the key states include short-press, long-press, short-press release, and long-press release.
The method for identifying the combined key is further improved in that if the time for pressing the key is greater than a time threshold value, the key is pressed for a long time; otherwise, it represents a short press.
The present invention also provides a combination key identification apparatus, comprising:
the acquiring unit is used for acquiring the current key value of the combination key;
the control processing unit is used for judging whether the current key value of the combination key is the key value when the key of the combination key is pressed for the first time;
if so, backing up the current key value to obtain a track backup key value;
if not, carrying out OR operation on the previous key value of the combined key and the current key value to obtain a track key value representing track change of the combined key;
the track backup key value is also used for judging whether the track key value is the same as the track backup key value or not; if the data are the same, electrifying and initializing again; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value;
the method is also used for judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; if so, assigning the track key value as a track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of a new combination key;
the storage unit is used for storing the current key value of the combination key; used for storing the track key value; for storing trace backup key values.
As a further improvement of the combination key identification apparatus of the present invention, the storage unit includes a first storage unit, a second storage unit, a third storage unit;
a first storage unit for storing the current key value of the combination key;
the second storage unit is used for storing the track key value;
and the third storage unit is used for storing the track backup key value.
The present invention also provides a combination key identification device, comprising: one or more processors, and one or more memories, wherein the memories store computer readable code that, when executed by the one or more processors, performs the above-described method of combinatorial key identification.
The present invention also provides a computer readable access medium having stored thereon instructions that, when executed by a processor, cause the processor to perform the above-described method of combinatorial key identification.
Compared with the prior art, the invention adopting the scheme has the beneficial effects that:
the combined key identification method of the invention obtains a new key value by carrying out OR operation on the track key value and the track backup key value; comparing the new key value with the track backup key value to judge whether the number of the keys in the pressed state in the current combined key is increased or not; if the number of the track key values is increased, the track key value at the moment is backed up to the track backup key value so as to update the track backup key value, and the current key value is output to be used as the key value of the new combination key. The invention realizes that when a key in a pressed state is added in the combined key, a new key value of the combined key can be output; when one or more keys of the new combined key are restored to the released state, the key values of the combined key cannot be output as long as all keys are not restored to the completely released state, so that repeated processing can be effectively avoided; meanwhile, after a certain key of the combined key is released and then pressed, the function definition cannot be responded again, and only after all keys are released and released, the function definition can be responded again, so that the function can be ensured to respond once, and the jitter interference is inhibited.
Drawings
FIG. 1 is a flow chart of a method of combination key identification in accordance with a disclosed embodiment of the invention;
FIG. 2 is a schematic block diagram of a combination key identification apparatus according to a disclosed embodiment of the invention;
FIG. 3 is a schematic block diagram of a combination key identification device in accordance with a disclosed embodiment of the invention;
FIG. 4 is a schematic block diagram of a computer readable access medium of the disclosed embodiments of the invention.
In the figure: 1. a combination key identification device; 2. a combination key identification device; 3. a computer readable access medium; 11. an acquisition unit; 12. a control processing unit; 13. a storage unit; 131. a first storage unit; 132. a second storage unit; 133. a third storage unit; 21. a processor; 22. a memory.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure. It is to be understood that the described embodiments are merely exemplary of some, and not all, of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without inventive step, are intended to be within the scope of the present disclosure.
Flow charts are used in this disclosure to illustrate steps of methods according to embodiments of the disclosure. It should be understood that the preceding and following steps are not necessarily performed in the exact order in which they are performed. Rather, various steps may be processed in reverse order or simultaneously. Also, other operations may be added to the processes.
The theoretical basis of the disclosure is as follows:
(1) formula of combined number
The combination number formula refers to that m (m is less than or equal to n) elements are arbitrarily taken from n different elements and combined into a group, namely a combination of m elements taken from n different elements; the number of all combinations of m (m is less than or equal to n) elements taken out of n different elements is called the number of combinations of m elements taken out of n different elements. With the symbol c (n, m) ═ p (m, n)/m! And (4) showing.
(2) Combined key status types
According to the function requirement, the key states of the combination keys can be divided into: the short press is pressed down, the long press is pressed down, the short press is released, and the long press is released.
n different keys, arbitrarily selecting m (m is less than or equal to n) keys and combining them into a group, and combining p (m, n)/m! A combination key.
(3) Key value of combined key
N different keys, an N-Bit (Bit) assigned register, stores the state of a single key, i.e., released or pressed, in a binary example, where 0 is released and 1 is pressed. From the recorded state, it can be determined which keys are pressed. The recorded value is defined as a key value. The 0/1 states of the key values do not interfere with each other, so that the value of the key value is incremented each time a key is added in a depressed state.
The present disclosure provides a method for identifying a combination key, and fig. 1 shows a flowchart of the method for identifying a combination key according to an embodiment of the present disclosure.
S1, performing power-on initialization, acquiring a current Key value Now _ Key of the combination Key, and setting a Key value flag, namely, Flay _ Key, wherein False represents an invalid value; after the current Key value is valid, the Flay _ Key is True, and True represents that initialization is completed;
s2, judging whether all keys forming the combined key are in a loose state; if not, waiting for all the keys to be in a loose state; if yes, go to S3;
s3, judging whether the current Key value Now _ Key of the combined Key is the Key value when the Key is pressed for the first time;
if yes, backing up the current Key value Now _ Key to obtain a trace Backup Key value Backup _ Key;
if not, carrying out OR operation on the front Key value of the combined Key and the current Key value Now _ Key to obtain a track Key value Pre _ Key representing track change of the combined Key;
s4, judging whether the track Key value Pre _ Key is the same as the track Backup Key value Backup _ Key; if the key-press state is the same, whether all the key-presses are in the loosening state is judged again; if not, go to S5;
s5, carrying out OR operation on the track Key value Pre _ Key and the track Backup Key value Backup _ Key to obtain a new Key value;
judging whether the new Key value is larger than a Backup Key value Backup _ Key or not; if not, judging whether all the keys are in a loosening state again; if so, the track Key value Pre _ Key is assigned to the track Backup Key value Backup _ Key to update the track Backup Key value Backup _ Key, and the appearing Key value Now _ Key is input as a new combination Key.
Because new combination keys are present, designers can define new functions for the new combination keys.
The combined key identification method disclosed by the invention obtains a new key value by carrying out OR operation on the track key value and the track backup key value; comparing the new key value with the track backup key value to judge whether the number of keys in a pressed state in the current combined key is increased or not; if the number of the track key values is increased, the track key value at the moment is backed up to the track backup key value so as to update the track backup key value, and the current key value is output to be used as the key value of the new combination key. The method and the device have the advantages that when a key in a pressed state is added in the combined key, a new key value of the combined key can be output; when one or more keys of the new combined key are restored to the released state, the key values of the combined key cannot be output as long as all keys are not restored to the completely released state, so that repeated processing can be effectively avoided; meanwhile, after a certain key of the combined key is released and then pressed, the function definition cannot be responded again, and only after all keys are released and released, the function definition can be responded again, so that the function can be ensured to respond once, and the jitter interference is inhibited.
Further, the key value marks of the keys of the combined key are marked by adopting binary combination, wherein 0 represents that a certain key is in a pressed state and 1 represents that a certain key is in a released state; or, 0 represents that a certain key is in a released state and 1 represents that a certain key is in a pressed state.
For example, power-on initialization, all four keys constituting a combination key are in a released state, and the key value of the combination key when all four keys are released is 0000;
if the current Key value Now _ Key of the combination Key is the Key value when the Key is pressed for the first time, backing up is performed to obtain a trace Backup Key value Backup _ Key, where the trace Backup Key value Backup _ Key is 1000, 0100, 0010 or 0001, for example, in this embodiment, the trace Backup Key value Backup _ Key is 1000;
if the current Key value Now _ Key of the combined Key is a Key value when the Key is not pressed for the first time, carrying out OR operation on the front Key value of the combined component and the current Key value Now _ Key to obtain a track Key value Pre _ Key representing track change of the combined Key;
for example, if the previous Key value of the combination Key is 1010 and the current Key value is 1011, then the track Key value Pre _ Key at this time is 1011; the track Key value Pre _ Key1011 of this embodiment is different from the track Backup Key value Backup _ Key1000 in this embodiment, so the track Key value Pre _ Key1011 and the track Backup Key value Backup _ Key1000 are subjected to or operation to obtain a new Key value — 1011;
because the new Key value-1011 is greater than the trace Backup Key value Backup _ Key1000 in the embodiment, the trace Key value Pre _ Key is assigned to the trace Backup Key value Backup _ Key1011 to update the trace Backup Key value Backup _ Key, and the trace Backup Key value Backup _ Key is 1011 at this time; meanwhile, the appearing Key value Now _ Key is input as a new combination Key, i.e., the Key value of the new combination Key is 1011.
Or, if the previous Key value of the combination Key is 1000 and the current Key value is 1100, the track Key value Pre _ Key at this time is 1100; the trace Key value Pre _ Key1100 of this embodiment is different from the trace Backup Key value Backup _ Key1000 of this embodiment, so the trace Key value Pre _ Key1100 and the trace Backup Key value Backup _ Key1000 are subjected to or operation to obtain a new Key value 1100;
because the new Key value 1100 is larger than the trace Backup Key value Backup _ Key1000 in the embodiment, the trace Key value Pre _ Key is assigned to the trace Backup Key value Backup _ Key1100 for updating the trace Backup Key value Backup _ Key, and the trace Backup Key value Backup _ Key is 1100 at this time; and simultaneously, inputting the appearance Key value Now _ Key as a new combined Key, namely the Key value of the new combined Key is 1100.
Further, the step of performing power-on initialization to make all keys constituting the combination key in a released state specifically includes: and electrifying the system, and acquiring the pressing state of each key of the combined key until all keys forming the combined key are in a loose state.
Further, the initial values of the current key value, the track key value and the track backup key value of the combination key are all null values.
Furthermore, different functions are defined by using the states of the keys; new combination keys appear, for which designers can define new functions;
preferably, the state of the key comprises short press, long press, short press release and long press release;
preferably, if the time for pressing the key is greater than the time threshold, the long press is represented; otherwise, it represents a short press.
The time threshold is a time value preset in the algorithm in advance, and may be any one time from 2s to 4s, for example, 2s, 3s, or 4 s.
The embodiment of the present disclosure also provides a combination key identification apparatus, as shown in fig. 2.
The combination key identification device 1 includes:
an obtaining unit 11, configured to obtain a current key value of a combination key;
the control-and-processing unit 12 is,
the key assignment judging module is used for judging whether the current key assignment of the combination key is the key assignment when the key of the combination key is pressed for the first time;
if so, backing up the current key value to obtain a track backup key value;
if not, performing OR operation on the previous key value of the combined key and the current key value to obtain a track key value representing track change of the combined key;
the track backup key value is also used for judging whether the track key value is the same as the track backup key value or not; if the data are the same, electrifying and initializing again; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value;
the method is also used for judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; if so, assigning the track key value as a track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of a new combination key;
a storage unit 13 for storing the current key value of the combination key; used for storing the track key value; for storing the trace backup key.
Further, the storage unit 13 includes a first storage unit 131, a second storage unit 132, a third storage unit 133;
a first storage unit 131 for storing the current key values of the combination keys;
a second storage unit 132 for storing the track key values;
a third storage unit 133, configured to store the trace backup key value.
The disclosed embodiment also provides a combination key recognition device, as shown in fig. 3.
The combination key recognition apparatus 2 includes: one or more processors 21, and one or more memories 22, wherein the memory 21 stores computer readable code that, when executed by the one or more processors 22, performs the above-described method of combination key identification. The computer-readable access medium includes, but is not limited to, volatile memory and/or non-volatile memory, for example. The volatile memory may include, for example, Random Access Memory (RAM), cache memory (cache), and/or the like. The non-volatile memory may include, for example, Read Only Memory (ROM), hard disk, flash memory, etc.
The embodiment of the disclosure also provides a computer readable access medium, as shown in fig. 4.
The computer-readable access medium 3 stores instructions that, when executed by the processor, cause the processor to perform the above-described method of combination key identification.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing the relevant hardware through a program, and the program may be stored in a computer readable medium, such as a read only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module/unit in the above embodiments may be implemented in the form of hardware, and may also be implemented in the form of a software functional module. The present disclosure is not limited to any specific form of combination of hardware and software.
The foregoing is illustrative of the present disclosure and is not to be construed as limiting thereof. Although a few exemplary embodiments of this disclosure have been described, those skilled in the art will readily appreciate that many modifications are possible in the exemplary embodiments without materially departing from the novel teachings and advantages of this disclosure. Accordingly, all such modifications are intended to be included within the scope of this disclosure as defined in the claims. It is to be understood that the foregoing is illustrative of the present disclosure and is not to be construed as limited to the specific embodiments disclosed, and that modifications to the disclosed embodiments, as well as other embodiments, are intended to be included within the scope of the appended claims. The present disclosure is defined by the claims and their equivalents.
Claims (11)
1. A method for identifying a combination key, the method comprising the steps of:
electrifying and initializing to ensure that all keys forming the combined key are in a loose state;
acquiring a current key value of a combination key;
if the current key value of the combined key is the key value of the combined key when the key is pressed for the first time, backing up the current key value to obtain a track backup key value;
if the current key value of the combined key is the key value of the combined key when the key is not pressed for the first time, carrying out OR operation on the previous key value of the combined key and the current key value to obtain a track key value representing track change of the combined key;
judging whether the track key value is the same as the track backup key value; if the data are the same, electrifying and initializing again; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value;
judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; and if so, assigning the track key value to the track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of the new combination key.
2. The method for identifying a combination key of claim 1, wherein the key value marks of the keys of the combination key are marked by binary combinations, wherein 0 represents that a certain key is in a pressed state and 1 represents that a certain key is in a released state; or 0 represents that a certain key is in a released state and 1 represents that a certain key is in a pressed state.
3. The method for identifying a combination key of claim 1, wherein the step of performing power-on initialization to release all keys constituting the combination key specifically comprises:
powering up the system;
and acquiring the pressing state of each key of the combined key until all keys of the combined key are in a loose state.
4. The method of claim 1, wherein the initial values of the current key value, the trace key value, and the trace backup key value of the combination key are all null values.
5. A method for identifying a combination key according to claim 1, wherein the different functions are defined by the states of the keys.
6. The combination key identification method of claim 5, wherein the key states include short press, long press, short press release, and long press release.
7. A method for identifying a combination key according to claim 6, wherein if the key is pressed for a time greater than a time threshold, it represents a long press; otherwise, it represents a short press.
8. A combination key identification device, comprising:
an acquisition unit (11) for acquiring a present key value of a combination key;
the control processing unit (12) is used for judging whether the current key value of the combination key is the key value when the key of the combination key is pressed for the first time;
if so, backing up the current key value to obtain a track backup key value;
if not, carrying out OR operation on the previous key value of the combined key and the current key value to obtain a track key value representing track change of the combined key;
the track backup key value is also used for judging whether the track key value is the same as the track backup key value or not; if the data are the same, powering on again for initialization; if the two key values are different, performing OR operation on the track key value and the track backup key value to obtain a new key value;
the method is also used for judging whether the new key value is larger than the track backup key value or not; if not, electrifying and initializing again; if so, assigning the track key value as a track backup key value to update the track backup key value, and simultaneously outputting the current key value as the key value of a new combination key;
a storage unit (13) for storing the current key value of the combination key; used for storing the track key value; for storing trace backup key values.
9. The combination key identification device according to claim 8, wherein said storage unit (13) comprises a first storage unit (131), a second storage unit (132), a third storage unit (133);
a first storage unit (131) for storing current key values of the combination keys;
a second storage unit (132) for storing a track key value;
and a third storage unit (133) for storing the track backup key value.
10. A combination key identification device, comprising: one or more processors (21), and one or more memories (22), wherein the memory (22) stores computer readable code which, when executed by the one or more processors (21), performs the combination key identification method of any one of claims 1-7.
11. A computer-readable access medium having stored thereon instructions that, when executed by a processor, cause the processor to perform the method of combination key identification of any of claims 1-7.
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| CN111984182A (en) | 2020-11-24 |
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