CN111077401B - Keyboard testing method, device and storage medium - Google Patents
Keyboard testing method, device and storage medium Download PDFInfo
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- CN111077401B CN111077401B CN202010039965.7A CN202010039965A CN111077401B CN 111077401 B CN111077401 B CN 111077401B CN 202010039965 A CN202010039965 A CN 202010039965A CN 111077401 B CN111077401 B CN 111077401B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a keyboard testing method, a device and a storage medium, wherein the keyboard testing method comprises the steps of acquiring a coded signal from a keyboard, determining a prompt code corresponding to the coded signal, displaying a corresponding prompt effect according to the prompt code and the like. The keyboard testing device and the keyboard testing method have high universality and can be suitable for various keyboards of different models, and testers can know whether the keyboard functions are normal or not only by paying attention to the prompting effect of the keyboard testing device without deeply knowing the working principle of the keyboards of different models. Moreover, the corresponding relation between the prompting effect of the keyboard testing device and the keyboard function only needs to be memorized by a tester without other professional knowledge, so that the keyboard testing method and the keyboard testing device in the embodiment can be used by most testers and have strong adaptability. The invention is widely applied to the technical field of industrial testing.
Description
Technical Field
The invention relates to the technical field of industrial testing, in particular to a keyboard testing method, a keyboard testing device and a storage medium.
Background
In the fields of keyboard production line, industrial control and the like, performance test needs to be performed on newly produced keyboards or keyboards used by industrial equipment, wherein an important test item is to test whether each key in the keyboard is normal. In some occasions, whether the test key is normal or not is to ensure that an upper computer such as a computer and the like can display corresponding characters after the test key is pressed; in some occasions, whether the test key is normal or not is whether the test key can trigger the start or stop function of the relevant industrial equipment after being pressed.
Some existing technologies for testing keyboards embed related hardware modules or software programs in the keyboard, so as to implement function detection on the keys of the keyboard. However, these prior art techniques require familiarity with the electrical characteristics of the keyboard, and keyboards manufactured by different manufacturers have different standards, which increases the learning cost and the use cost of technicians; in the prior art, the test result is output by computer codes and the like, so that the readability of the test result is poor, a technician is required to have certain professional knowledge, and the development of test work is not facilitated.
Disclosure of Invention
In view of at least one of the above technical problems, an object of the present invention is to provide a keyboard testing method, apparatus and storage medium.
In one aspect, an embodiment of the present invention includes a keyboard testing method, including the following steps:
acquiring a coded signal from a keyboard;
determining a cue code corresponding to the encoded signal;
and displaying a corresponding prompt effect according to the prompt code.
Further, the step of acquiring the code signal from the keyboard specifically includes:
receiving a sequence of encoded signals from a keyboard within a time window; the coded signal sequence comprises at least one coded signal;
and carrying out de-duplication processing on the coding signal sequence.
Further, the step of determining a cue code corresponding to the encoded signal specifically includes:
checking the leakage of the coding signal sequence according to a preset data table;
and determining a corresponding prompt code according to the leakage detection result.
Further, the step of determining the corresponding prompt code according to the leak detection result specifically includes at least one of the following steps:
determining a first prompt code under the condition that the omission checking result shows that the coding signal sequence is complete;
determining a second cue code corresponding to an absent code signal in the event that the omission result indicates the absence of a code signal from the code signal sequence;
and determining a corresponding third cue code according to the arrangement or combination formed by the missing code signals under the condition that the omission result shows that the code signal sequence lacks a plurality of code signals.
Further, the step of determining a corresponding third cue code according to the permutation or combination formed by the missing code signals specifically includes:
determining the number of missing code signals;
and under the condition that the number exceeds a preset threshold value, determining the permutation or combination formed by one or more code signals with the highest use frequency in the plurality of absent code signals, and further determining a corresponding third cue code.
Further, the step of displaying a corresponding prompt effect according to the prompt code specifically includes:
searching or generating a corresponding driving signal according to the prompt code;
and driving to display the corresponding visual effect and/or play the corresponding auditory effect by using the driving signal.
On the other hand, the embodiment of the invention also comprises a keyboard testing device, which comprises:
the buffer unit is used for acquiring a coding signal from a keyboard;
a processing unit for determining a cue code corresponding to the encoded signal;
and the interaction unit is used for displaying a corresponding prompt effect according to the prompt code.
Further, the buffer unit is used for receiving the code signal sequence from the keyboard in a time window; the coded signal sequence comprises at least one coded signal;
the processing unit is used for carrying out duplication removal processing on the coding signal sequence and checking leakage of the coding signal sequence according to a preset data table; determining a first prompt code under the condition that the omission checking result shows that the coding signal sequence is complete; determining a second cue code corresponding to an absent code signal in the event that the omission result indicates the absence of a code signal from the code signal sequence; and determining a corresponding third cue code according to the arrangement or combination formed by the missing code signals under the condition that the omission result shows that the code signal sequence lacks a plurality of code signals.
Furthermore, the interaction unit is used for searching or generating a corresponding driving signal according to the prompt code; and driving to display the corresponding visual effect and/or play the corresponding auditory effect by using the driving signal.
In another aspect, the present invention further includes a storage medium having stored therein processor-executable instructions, which when executed by a processor, are configured to perform the keyboard testing method according to the embodiments.
The invention has the beneficial effects that: the keyboard testing device and the keyboard testing method in the embodiment have high universality, can be suitable for various keyboards of different models, and testers can know whether the keyboard functions are normal or not only by paying attention to the prompting effect of the keyboard testing device without deeply knowing the working principle of the keyboards of different models. Moreover, the tester only needs to memorize the corresponding relation between the prompting effect of the keyboard testing device and the keyboard function, and does not need other professional knowledge, so the keyboard testing method and the keyboard testing device in the embodiment can be used by most testers, and have strong adaptability.
Drawings
FIG. 1 is a schematic diagram of a prior art industrial equipment control keyboard;
FIG. 2 is a diagram of a conventional computer keyboard;
FIG. 3 is a diagram illustrating an exemplary keyboard testing apparatus;
FIG. 4 is a diagram illustrating a keyboard testing method according to an embodiment.
Detailed Description
The keyboard described in this embodiment includes an industrial device control keyboard shown in fig. 1, for example, a frequency converter keyboard, and a computer keyboard shown in fig. 2, and may also refer to a virtual keyboard implemented by technologies such as a touch screen, an air screen, and VR based on the same or similar principles. These keyboards may be a complete and stand-alone device or may be embedded in an industrial device as part of the industrial device. The basic principle of these keyboards is: when a key or a specific position on the keyboard is pressed, the scanning circuit scans the occurrence of the event to generate a corresponding signal, and the signal may be encoded by itself or only a specific level or a specific combination of levels, is encoded by an encoding module in the keyboard, and finally outputs an encoded signal.
Table 1 shows the correspondence between the keys and the code values set on the computer keyboard.
TABLE 1
According to table 1, when a key "a" on the keyboard is pressed, the keyboard will output a coded value "65" in the form of a hexadecimal code signal "0 x 41" through an interface such as a USB interface, a PS/2 interface, or a COM interface. When a plurality of keys are pressed successively or simultaneously, for example, "a", "e", and "backspace", the keyboard will successively output a plurality of code signals "0 x 41", "0 x 45", and "0 x 08", which form a code signal sequence.
In this embodiment, the keyboard test apparatus shown in fig. 3 is used to execute the keyboard test method. The keyboard testing device is provided with a buffer unit, a processing unit and an interaction unit.
The buffer unit is provided with functional circuits such as an interface circuit, a storage circuit, a format conversion circuit and the like, wherein the interface circuit is matched with a communication protocol used by the keyboard, for example, when the keyboard uses a USB connecting line, the interface circuit supports the USB protocol; the storage circuit has enough capacity to store the coded signals formed by pressing 10 keys; the format conversion circuit can complete the conversion of the level, the coding format and the like.
The processing unit is an AVR (atmega32) single chip microcomputer, can read the single code signal and the code signal sequence received by the processing unit from the buffer unit, and can control the interaction unit to work.
In this embodiment, the keyboard testing method includes the following steps:
s1, acquiring a coding signal from a keyboard;
s2, determining a prompt code corresponding to the coding signal;
and S3, displaying a corresponding prompt effect according to the prompt code.
As shown in fig. 3, a keyboard is connected to the keyboard test device. The tester or the test instrument presses the key to be tested on the keyboard.
The buffer unit opens an interface, receives the coded signal output by the keyboard and then sends the coded signal to the processing unit.
The processing unit executes step S2, and looks up the corresponding prompt code according to the received encoding signal by looking up a table. The prompt code is a group of binary codes and belongs to general instructions in the keyboard testing device.
In case the buffer unit receives only one code signal, the processing unit may directly use this code signal as the cue code.
The processing unit generates a driving signal according to the prompt code, and drives the interaction unit to execute step S3, that is, to display a corresponding prompt effect. The interaction unit may be specifically a nixie tube and a buzzer shown in fig. 3, and may also be a liquid crystal display screen or the like.
Through the configuration of the processing unit, the keyboard testing device can be enabled to have the following operating logic: if the encoded signal is received, the output cue code is "1"; if the encoded signal is not received, the output cue code is "0"; the prompt code "1" may cause the processing unit to drive the nixie tube display "88" shown in fig. 3, and/or cause the processing unit to drive the buzzer shown in fig. 3 to sound; the prompt code "0" may cause the processing unit to drive the nixie tube to display "11" and/or cause the processing unit not to drive the buzzer, which does not sound. In this embodiment, the display content of the nixie tube and whether the buzzer sounds or not can be used as the prompt effect.
Through the configuration of the processing unit, when a tester presses a certain key on the keyboard, if the key and other related circuits on the keyboard are normal, the keyboard outputs an effective coding signal, so that the interaction unit on the keyboard testing device generates a corresponding prompt effect (nixie tube display '88', buzzer sound production); if the key or other related circuits on the keyboard are abnormal, the keyboard outputs an invalid code signal or does not output a code signal, so that the interaction unit on the keyboard testing device generates a corresponding prompt effect (nixie tube display '11', buzzer does not sound), and a tester can intuitively know whether the pressed key is normal or not, thereby efficiently realizing the detection of the keyboard function.
Because the universal keyboard testing device is used, a tester can know whether the keyboard functions are normal or not only by paying attention to the prompt effect of the keyboard testing device without deeply knowing the working principle of keyboards of different models. Moreover, the tester only needs to memorize the corresponding relation between the prompting effect of the keyboard testing device and the keyboard function, and does not need other professional knowledge, so the keyboard testing method and the keyboard testing device in the embodiment can be used by most testers, and have strong adaptability.
When the tester uses the approach shown in fig. 4, i.e., presses multiple keys simultaneously or quickly, the testing efficiency can be greatly improved compared to pressing a single key at a time. At this time, the keyboard testing apparatus implements step S1 by:
s101, receiving a coding signal sequence from a keyboard in a time window; the coded signal sequence comprises at least one coded signal;
and S102, carrying out duplication elimination processing on the coding signal sequence.
In step S101, through manual triggering or automatic triggering, the keyboard testing device opens a time window, and the keyboard testing device prompts a tester through the interaction unit, so that the keyboard testing device can simultaneously or quickly press a plurality of keys in the time window in a manner shown in fig. 4, so that the keyboard testing device receives a coded signal sequence sent by the keyboard. The keyboard testing device will receive a coded signal sequence in the form of "0 x50, 0x51, 0x43, 0x43, 0x58, 0x31 … …" and the like, which is composed of "0 x 50", "0 x 51" and the like coded signals.
Since there may be a situation where at least one key is pressed more than once during the process of simultaneously or rapidly pressing a plurality of keys within the time window by the tester, there may be a plurality of identical code signals in the code signal sequence received by the keyboard testing device. In step S102, the keyboard test apparatus performs a deduplication process on the code signal sequence, that is, only one code signal is reserved for a plurality of identical code signals in the code signal sequence, and the positions of the code signals are not changed, for example, the code signal sequence "0 x50, 0x51, 0x43, 0x43, 0x58, 0x31 … …" becomes "0 x50, 0x51, 0x43, 0x58, 0x31 … …" after the deduplication process.
The keyboard testing apparatus implements step S2 by:
s201, checking leakage of the coding signal sequence according to a preset data table;
s202, determining a corresponding prompt code according to the leakage detection result.
The keyboard testing device stores a data table having the form of table 1, which records the code values corresponding to all keys on the keyboard. In step S201, the keyboard testing apparatus checks the data table to determine whether each code value in the data table can find the same code signal in the received code signal sequence, i.e., checks the code signal sequence for missing. If each code value in the data table can find the same code signal in the received code signal sequence, the code signal sequence is complete; if there are some code values in the data table, the same code signal cannot be found in the received code signal sequence, and the code signal sequence is missing these code values.
The omission of the code signal sequence may lead to the following:
(1) the coded signal sequence is complete; (2) the coded signal sequence lacks a coded signal; (3) the encoded signal sequence lacks a plurality of encoded signals.
The (1) th result and the (2) th result have uniqueness, so that the corresponding prompt codes can be directly determined, wherein the (1) th result corresponds to the first prompt code; and (2) respectively corresponding to the second prompt codes according to the missing code signals.
For the result (3), the missing code signals form a plurality of permutations or combinations, and thus the third cue codes are respectively corresponding to the permutations or combinations. By setting a plurality of third cue codes to respectively correspond to different code signal arrangements or combinations, the situation can be effectively dealt with: the keyboard can output corresponding code signals when single keys are normally operated, namely, the single keys are pressed down, but a plurality of specific keys exist on the keyboard, and the keyboard cannot output corresponding code signals when the specific keys are pressed down sequentially at the same time or within a short time due to mechanical or circuit faults. If the condition exists, the interaction unit in the keyboard testing device can be triggered to display a corresponding prompting effect through the third prompting code, so that a tester can find a fault.
In the case of the (3) case, when the number of the missing code signals is large, the number of the permutations or combinations formed by the missing code signals is also large, and if the corresponding relationship between all the permutations or combinations and the third prompt code is stored by the keyboard test device, the keyboard test device will occupy more storage space. Therefore, in this embodiment, for the permutation or combination containing less code signals, the keyboard test device stores the corresponding relationship between all permutations or combinations and the third prompt code; and for the permutation or combination containing the code signals of which the number exceeds the preset threshold, firstly screening out one or more code signals with the highest use frequency, and then determining a corresponding third prompt code according to the permutation or combination formed by the screened code signals. The permutation or combination formed using the most frequent encoded signals retains the representativeness of the permutation or combination while reducing the number of permutations or combinations. Specifically, the usage frequency may be determined according to the usage environment of the keyboard, for example, when the keyboard is mainly used for english typing, the usage frequency of each letter is determined by querying documents: e-12.25%, T-9.41%, A-8.19%, etc., so as to determine the frequency of use of corresponding keys on the keyboard.
The computer program for implementing the keyboard testing method in the present embodiment is written using a programming language, and the computer program is stored in a storage medium, and when the storage medium is connected to a processor and the computer program is read out, the processor may execute the keyboard testing method in the present embodiment.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the descriptions of up, down, left, right, etc. used in the present disclosure are only relative to the mutual positional relationship of the components of the present disclosure in the drawings. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, unless defined otherwise, all technical and scientific terms used in this example have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description of the embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this embodiment, the term "and/or" includes any combination of one or more of the associated listed items.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language ("e.g.," such as "etc.), provided with the present embodiment is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The keyboard testing method may be implemented in a computer program using standard programming techniques, including a non-transitory computer readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the keyboard testing method and figures described in the specific embodiments. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, operations of processes described in this embodiment can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described by the present embodiments (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the keyboard testing method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described in this embodiment includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the keyboard testing methods and techniques described herein.
A computer program can be applied to input data to perform the functions described in the present embodiment to convert the input data to generate output data that is stored to a non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (6)
1. A keyboard testing method is characterized by comprising the following steps:
acquiring a coded signal from a keyboard;
determining a cue code corresponding to the encoded signal;
displaying a corresponding prompt effect according to the prompt code;
the step of acquiring the code signal from the keyboard specifically includes:
receiving a sequence of encoded signals from a keyboard within a time window; the coded signal sequence comprises at least one coded signal;
carrying out de-duplication processing on the coding signal sequence;
the step of determining the cue code corresponding to the encoded signal specifically includes:
checking the leakage of the coding signal sequence according to a preset data table;
determining a corresponding prompt code according to the leakage detection result;
the step of determining the corresponding prompt code according to the leakage detection result specifically comprises at least one of the following steps:
determining a first prompt code under the condition that the omission checking result shows that the coding signal sequence is complete;
determining a second cue code corresponding to an absent code signal in the event that the omission result indicates the absence of a code signal from the code signal sequence;
and determining a corresponding third cue code according to the arrangement or combination formed by the missing code signals under the condition that the omission result shows that the code signal sequence lacks a plurality of code signals.
2. The keyboard test method of claim 1, wherein the step of determining the corresponding third prompt code according to the permutation or combination formed by the missing code signals comprises:
determining the number of missing code signals;
and under the condition that the number exceeds a preset threshold value, determining the permutation or combination formed by one or more code signals with the highest use frequency in the plurality of absent code signals, and further determining a corresponding third cue code.
3. The keyboard test method according to claim 1 or 2, wherein the step of displaying the corresponding prompt effect according to the prompt code specifically comprises:
searching or generating a corresponding driving signal according to the prompt code;
and driving to display the corresponding visual effect and/or play the corresponding auditory effect by using the driving signal.
4. A keyboard testing device, comprising:
the buffer unit is used for acquiring a coding signal from a keyboard;
a processing unit for determining a cue code corresponding to the encoded signal;
the interaction unit is used for displaying a corresponding prompt effect according to the prompt code;
the buffer unit is used for receiving a coding signal sequence from a keyboard in a time window; the coded signal sequence comprises at least one coded signal;
the processing unit is used for carrying out duplication removal processing on the coding signal sequence and checking leakage of the coding signal sequence according to a preset data table; determining a first prompt code under the condition that the omission checking result shows that the coding signal sequence is complete; determining a second cue code corresponding to an absent code signal in the event that the omission result indicates the absence of a code signal from the code signal sequence; and determining a corresponding third cue code according to the arrangement or combination formed by the missing code signals under the condition that the omission result shows that the code signal sequence lacks a plurality of code signals.
5. The keyboard testing device of claim 4, wherein:
the interaction unit is used for searching or generating a corresponding driving signal according to the prompt code; and driving to display the corresponding visual effect and/or play the corresponding auditory effect by using the driving signal.
6. A storage medium having stored therein processor-executable instructions, which when executed by a processor, are configured to perform the keyboard testing method of any one of claims 1-3.
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| CN103645402B (en) * | 2013-12-14 | 2017-04-05 | 佛山市中格威电子有限公司 | A kind of method of testing and its test device that can recognize different model remote control |
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| TW200828081A (en) * | 2006-12-27 | 2008-07-01 | Giga Byte Tech Co Ltd | Method for testing keys |
| CN101211299A (en) * | 2006-12-30 | 2008-07-02 | 技嘉科技股份有限公司 | Press key test method |
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