CN108089722A - A kind of key assignments customizing keyboard configures system and method - Google Patents

Abstract

The key value custom keyboard configuration system provided by the present invention includes a host computer configuration unit, a custom keyboard and a communication line, and the host computer configuration unit is used to encode each single key or combined key of the custom keyboard, and the custom The keyboard includes multiple keys, a central processing unit, and a configuration download data port. The central processing unit scans multiple keys to obtain the key scanning code of each key. When a key is detected to be pressed, it scans the specified key and performs key coding. According to the received application configuration, the corresponding specified keys are coded according to the keyboard scan code. After encoding, the encoded data is sent to the host computer configuration unit through the communication line until the key values corresponding to all keys are set. After the host computer configuration unit passes The configuration download data port will import the correct key value configuration information through the key value judgment to the central processing unit to complete the configuration, and use the keyboard to input the customized key value to meet the different needs of the user for the keyboard key value.

Description

A key-value custom keyboard configuration system and method

technical field

The invention relates to the field of electronic equipment, in particular to a key value custom keyboard configuration system and method.

Background technique

In modern life, with the continuous development of integrated circuit technology, various electronic devices have appeared. On these numerous electronic devices (such as handheld computers, smart phones, embedded systems, pocket computers, etc.), due to Restricted by factors such as size and manufacturing cost, a full-size hardware keyboard cannot be equipped, so inputting on such devices is usually full of challenges.

In the development process of the human-computer interaction unit of the instrument, its main control unit often adopts an industrial control motherboard installed with an operating system such as PC104, and uses it to drive the LCD screen and keyboard. The keys of special instruments and meters usually need to be specially customized according to the needs of user operations. The key value is far from meeting the needs of users, such as pressing a key to continuously type a string of fixed numbers, combining shortcut keys, and so on. Therefore, developing a USB keyboard with a key value customization function has very strong practical significance for improving the development speed and user experience of instrumentation user operation keys.

Contents of the invention

The embodiment of the present invention provides a key value custom keyboard configuration system and method, which can use the keyboard to input defined standard key values or combination keys to meet different needs of different users for keyboard key values.

In the first aspect, the key-value custom keyboard configuration system provided in the embodiment of the present invention includes a host computer configuration unit, a custom keyboard and a communication line, and the host computer configuration unit is used for each unit of the custom keyboard. key or key combination for encoding, the communication line is used to connect the host computer configuration unit and the custom keyboard, the custom keyboard includes a plurality of keys, a central processing unit, a configuration download data port, the central processing The device is electrically connected to the buttons and the configuration download data port respectively, the central processing unit scans the multiple buttons to obtain the button scan code of each button, and scans to the specified button when it detects that a button is pressed. After the key is pressed, the key is coded, and the corresponding specified key is coded according to the keyboard scan code according to the received application configuration. After coding, the coded data is sent to the upper computer configuration unit through the communication line until all the keys correspond to After the key value setting is completed, the configuration unit of the host computer imports the correct key value configuration information determined by the key value into the central processing unit through the configuration download data port to complete the configuration.

Optionally, the custom keyboard further includes a buffer, and the buffer is electrically connected to the central processing unit.

Optionally, the communication line is a USB communication line, and the custom keyboard also includes an interface conversion chip for converting PS2 data to USB data, and the interface conversion chip is connected to the communication line and the buffer circuit respectively. connect.

Optionally, the central processing unit has an EEPROM memory, and the key value configuration information is stored in the EEPROM memory.

Optionally, the central processing unit adopts a PIC single-chip microcomputer PIC16F886 processor, and the interface conversion chip is a CSC0101A chip.

In the second aspect, the key-value custom keyboard configuration method provided in the embodiment of the present invention, the method includes:

After the central processing unit is powered on, the program is initialized;

When the computer command from the configuration unit of the upper computer is not received, the key scanning is performed to determine whether a key is pressed;

After the key is scanned, the key is coded, and the corresponding specified key is coded according to the keyboard scan code according to the user's application configuration;

After encoding, send the encoded data to the host computer configuration unit through the communication line;

The host computer configuration unit judges whether the key values are correct after the code values corresponding to all keys are set;

The configuration unit of the upper computer imports the correct key value configuration information through the key value discrimination to the central processing unit through the configuration download data port to complete the configuration.

Optionally, performing key-value coding on the corresponding specified key according to the keyboard scan code according to the user's application configuration includes:

According to the user's application configuration, the code value is sent to the corresponding specified key according to the keyboard scan code in a predetermined code value sending sequence.

Optionally, the sending order of the predetermined code value includes:

If it is a standard key value, directly encode the pass code plus the break code; or

If it is a function combination key, send the combined pass code in sequence, and then send the combined break code in the reverse order; or

If it is a data combination key, the pass code and break code of the corresponding data are sent continuously according to the sequence of data encoding to realize data combination.

Optionally, before sending the encoded data to the host computer configuration unit through the communication line after the encoding, it also includes:

It is judged whether the configuration unit of the upper computer is allowed to send, and if it is allowed, the subsequent steps are performed.

Optionally, the host computer configuration unit judges whether the key values are correct after the code values corresponding to all keys are set, including:

After the host computer configuration unit judges that the code values corresponding to all keys are set, it judges whether the setting pass code and break code of each key value appear in pairs, and if so, the key value judgment is correct.

It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

The key value custom keyboard configuration system provided in the embodiment of the present invention includes a host computer configuration unit, a custom keyboard and a communication line, and the host computer configuration unit is used for each single key or combination key of the custom keyboard Encoding, the communication line is used to connect the host computer configuration unit and the custom keyboard, the custom keyboard includes a plurality of buttons, a central processing unit, a configuration download data port, the central processing unit is connected to the The buttons and the configuration download data port are electrically connected, and the central processing unit scans the plurality of buttons to obtain the button scan code of each button. When it is detected that a button is pressed, the designated button is scanned and the button is pressed. Coding, according to the received application configuration, perform key value coding on the corresponding specified keys according to the keyboard scan code, after coding, send the encoded data to the configuration unit of the host computer through the communication line, until the key values corresponding to all keys are set After completion, the upper computer configuration unit will import the correct key value configuration information through the key value discrimination to the central processing unit to complete the configuration through the configuration download data port, and the keyboard can be used to input the defined standard key value or key combination, To meet the different needs of different users for keyboard key values.

Description of drawings

Fig. 1 is the structural representation of the key value self-defining keyboard configuration system in the embodiment of the present invention;

Fig. 2 is a flowchart of a method for configuring a key-value custom keyboard in an embodiment of the present invention.

Reference signs:

Button 1, central processing unit 2, buffer 3, interface conversion chip 4, communication line 5, configuration download data port 6, upper computer configuration unit 7.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

In conjunction with shown in Fig. 1, the key value self-defining keyboard configuration system provided in the embodiment of the present invention comprises host computer configuration unit 7, custom keyboard and communication line 5, and described host computer configuration unit 7 is used for described custom Each single key or key combination of the keyboard is coded, and the communication line 5 is used to connect the host computer configuration unit 7 and the custom keyboard, and the custom keyboard includes a plurality of buttons 1, a central processing unit 2, Configure the download data port 6, the button 1 can be a mechanical button, the central processing unit 2 is electrically connected to the button 1 and the configuration download data port 6 respectively, and the central processing unit 2 is connected to the plurality of buttons 1 Scan to obtain the key scan code of each key 1. When it is detected that the key 1 is pressed, the specified key is scanned and then the key is coded. According to the received application configuration, the key value of the corresponding specified key is calculated according to the keyboard scan code. Encoding, after encoding, send encoded data to the host computer configuration unit 7 through the communication line 5 until the key values corresponding to all keys 1 are set. The key-value configuration information whose value is judged correct is imported to the central processing unit 2 to complete the configuration.

The custom keyboard also includes a buffer 3, the buffer 3 is electrically connected to the central processing unit 2, there are usually hundreds of keys 1 on the keyboard, each key 1 is responsible for a function, when the user presses one of them At one time, the coder in the keyboard can quickly transfer the code corresponding to the key 1 to the buffer 3 through the interface circuit, and the CPU will perform the identification process. Those skilled in the art should understand it, and the details will not be repeated.

Optionally, the communication line 5 is a USB communication line, and the custom keyboard also includes an interface conversion chip 4 for converting PS2 data to USB data, and the interface conversion chip 4 is connected to the communication line 5 and the communication line 5 respectively. The buffer 3 is electrically connected.

Optionally, the central processing unit 2 has an EEPROM memory, and the key value configuration information is stored in the EEPROM memory. When the configuration information is imported into the keyboard through the configuration download data port 6, the processor PIC microcontroller of the keyboard will automatically The key value information is stored in the EEPROM memory inside the microcontroller to ensure that the information will not be lost when the power is turned off. When the keyboard is in use, after power-on, the key value information will be retrieved from the designated area of the EEPROM memory.

Optionally, the central processing unit 2 adopts a PIC single-chip microcomputer PIC16F886 processor, and the interface conversion chip 4 is a CSC0101A chip, and other similar chips can also be selected as required, which is not limited.

Shown in conjunction with Fig. 2, the key value self-defining keyboard configuration method provided in the embodiment of the present invention, described method comprises:

S201. Perform program initialization after the central processing unit is powered on.

During the initialization process, if a computer instruction is received, reply processing is required.

S202. When no computer instruction from the configuration unit of the host computer is received, scan the keys to determine whether a key is pressed.

S203. Perform key coding after the key is scanned, and perform key value coding on the corresponding specified key according to the keyboard scan code according to the user's application configuration.

S204. After encoding, send the encoded data to the host computer configuration unit through the communication line.

S205. The host computer configuration unit judges whether the key values are correct after the code values corresponding to all keys are set.

S206. The configuration unit of the upper computer imports the correct key value configuration information identified by the key value to the central processing unit through the configuration download data port 6 to complete the configuration.

Optionally, performing key-value coding on the corresponding specified key according to the keyboard scan code according to the user's application configuration includes:

According to the user's application configuration, the code value is sent to the corresponding specified key according to the keyboard scan code in a predetermined code value sending sequence.

Optionally, the sending order of the predetermined code value includes:

If it is a standard key value, directly encode the pass code plus the break code; or

If it is a function combination key, send the combined pass code in sequence, and then send the combined break code in the reverse order; or

If it is a data combination key, the pass code and break code of the corresponding data are sent continuously according to the sequence of data encoding to realize data combination.

Optionally, before sending the encoded data to the host computer configuration unit through the communication line after the encoding, it also includes:

It is judged whether the configuration unit of the upper computer is allowed to send, and if it is allowed, the subsequent steps are performed.

Optionally, the host computer configuration unit judges whether the key values are correct after the code values corresponding to all keys are set, including:

After the host computer configuration unit judges that the code values corresponding to all keys are set, it judges whether the setting pass code and break code of each key value appear in pairs, and if so, the key value judgment is correct.

In this embodiment, the central processing unit is a PIC single-chip microcomputer PIC16F886 processor. After the central processing unit is powered on, the program initialization is first carried out. Then scan the key to determine whether there is a key pressed; after the key is scanned, the key is coded, and the corresponding specified key is coded according to the keyboard scan code according to the user's application configuration. The order of sending the code value is to send the pass code first and then send The way to break the code. If it is a standard key value, the encoding of "pass code" plus "break code" is directly carried out; if it is a combination key, then it is considered whether it is a function combination key or a data combination key, and if it is a function combination key, then the combined pass code is sent in sequence, Then send combined breaking codes in the opposite order; if it is a data combination key, then continuously send the corresponding data's pass code and break code to realize data combination according to the order of data encoding.

After encoding, the PS2 data is sent when the upper computer allows sending, and the external interface conversion chip 4 realizes the conversion of PS2 data to USB data and then outputs to the upper computer. Selecting the USB interface form increases the versatility of the keyboard and facilitates plugging and unplugging operations.

The configuration unit of the upper computer can be designed by computer graphics and realized by software programming. The schematic diagram of the physical keyboard is displayed on the human-computer interaction interface. When the user clicks any button with the mouse, the key value input interface of the button will pop up. Code or broken code drop-down menu, select the corresponding code value to complete the code value input; after entering a code value, click the "Add" button, and then select another code value input through the drop-down menu, and so on to complete the combined code Value setting; after the code values corresponding to all keys are set, click the save button, and the system will automatically judge the correctness of the key values, that is, the set codes and break codes of each key value appear in pairs. If the key value is judged correctly, the system will import the configuration information of the key value into the keyboard through the configuration download data port 6 to complete the configuration coding operation.

The key-value custom keyboard configuration system and method provided in the embodiments of the present invention include a host computer configuration unit, a custom keyboard and a communication line, and the host computer configuration unit is used for each single key or key of the custom keyboard. The combination key is coded, and the communication line is used to connect the configuration unit of the host computer and the custom keyboard, and the custom keyboard includes a plurality of keys, a central processing unit, and a configuration download data port, and the central processing unit is respectively Electrically connected to the button and the configuration download data port, the central processing unit scans the plurality of buttons to obtain the button scan code of each button, and scans the specified button when it detects that a button is pressed Carry out key coding, according to the received application configuration, carry out key value coding on the corresponding specified key according to the keyboard scan code, after coding, send the encoded data to the configuration unit of the host computer through the communication line, until the key value corresponding to all the keys After the setting is completed, the configuration unit of the upper computer will import the correct key value configuration information through the key value judgment to the central processing unit through the configuration download data port to complete the configuration, and the keyboard can be used to input the defined standard key value or combination key to meet the different needs of different users for keyboard key values.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: Read Only Memory (ROM, Read Only Memory), Random Access Memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.

A key value custom keyboard configuration system and method provided by the present invention have been introduced in detail above. For those of ordinary skill in the art, according to the idea of the embodiment of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present invention.

Claims (10)

1. a kind of key assignments customizing keyboard configures system, which is characterized in that including host computer dispensing unit, customizing keyboard and leads to Line is interrogated, the host computer dispensing unit is used to be encoded for each singly-bound or Macintosh of the customizing keyboard, described Connection for connecting the host computer dispensing unit and the customizing keyboard, the customizing keyboard include multiple buttons, Central processing unit, configuration downloading data mouth, the central processing unit are electric with the button and the configuration downloading data mouth respectively Connection, the central processing unit is scanned the multiple button the key scan code for obtaining each button, when having detected Scanning is to carrying out keyboard-coding after specified button when button is pressed, according to the application configuration received to it is corresponding it is described specify by Key carries out key assignments coding according to keyboard scancode, is sent and encoded to the host computer dispensing unit by the connection after coding Data, until the host computer dispensing unit will be logical by configuring downloading data mouth after the completion of the corresponding key assignments setting of all buttons It crosses key assignments and differentiates that correct key assignments configuration information imported into the central processing unit to complete to configure.

2. key assignments customizing keyboard according to claim 1 configures system, which is characterized in that the customizing keyboard also wraps Buffer is included, the buffer is electrically connected with the central processing unit.

3. key assignments customizing keyboard according to claim 2 configures system, which is characterized in that the connection leads to for USB Believe line, the customizing keyboard, which further includes, is used to implement the interface conversion chip that PS2 data turn usb data, the interface conversion Chip is electrically connected respectively with the connection and the buffer.

4. key assignments customizing keyboard according to claim 1 configures system, which is characterized in that the central processing unit has Eeprom memory, the key assignments configuration information are stored in the eeprom memory.

5. key assignments customizing keyboard according to claim 1 configures system, which is characterized in that the central processing unit uses PIC single chip microcomputer PIC16F886 processors, the interface conversion chip are CSC0101A chips.

6. a kind of key assignments customizing keyboard collocation method, which is characterized in that the described method includes：

Central processing unit carries out program initialization after the power is turned on；

When the computer instruction for not receiving host computer dispensing unit then carries out key scan, it is determined whether have by key pressing；

Keyboard-coding is carried out after scanning to the button, corresponding specified button is swept according to keyboard according to the application configuration of user It retouches code and carries out key assignments coding；

Coded data is sent to the host computer dispensing unit by the connection after coding；

The host computer dispensing unit judges to differentiate whether key assignments is correct after the completion of the corresponding code value setting of all buttons；

The host computer dispensing unit will differentiate that correct key assignments configuration information is imported by configuring downloading data mouth by key assignments To the central processing unit to complete to configure.

7. key assignments customizing keyboard according to claim 6 configures system, which is characterized in that the application according to user Configuration carries out key assignments coding to corresponding specified button according to keyboard scancode, including：

The application configuration according to user to corresponding specified button according to keyboard scancode with predetermined code value transmission order by code Value is sent.

8. key assignments customizing keyboard according to claim 7 configures system, which is characterized in that the predetermined code value sends suitable Sequence, including：

The coding that make code adds short in size is then directly carried out if standard key assignments；Or

If function Macintosh, then hair combines make code, then hair combination short in size in the opposite order in order respectively；Or

Then the make code of corresponding data is continuously transmitted according to the order of data encoding, data group is realized in short in size if data Macintosh It closes.

9. key assignments customizing keyboard according to claim 6 configures system, which is characterized in that by described after the coding Before connection sends coded data to the host computer dispensing unit, further include：

Judge whether the host computer dispensing unit allows to send, subsequent step is performed if allowing.

10. key assignments customizing keyboard according to claim 6 configures system, which is characterized in that the host computer configuration is single Whether differentiation key assignments is correct after the completion of member judges the corresponding code value setting of all buttons, including：

The host computer dispensing unit judges that the corresponding code value setting of all buttons differentiates the setting make code of each key assignments after finishing Whether occur in pairs with short in size, if then key assignments differentiates correctly.