CN201196732Y - Function-changing liquid crystal press key - Google Patents
Function-changing liquid crystal press key Download PDFInfo
- Publication number
- CN201196732Y CN201196732Y CNU2008200122174U CN200820012217U CN201196732Y CN 201196732 Y CN201196732 Y CN 201196732Y CN U2008200122174 U CNU2008200122174 U CN U2008200122174U CN 200820012217 U CN200820012217 U CN 200820012217U CN 201196732 Y CN201196732 Y CN 201196732Y
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- liquid crystal
- button
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- key
- driver
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Abstract
The utility model discloses a function-variable liquid crystal key, which comprises a liquid crystal key unit, a upper computer and a lower computer, wherein the upper computer provides a program used for altering displayed key symbols of the liquid crystal key unit; the lower computer comprises a CPU, a memory and a driver; the memory is used for storing displayed symbol data and key functions of the liquid crystal key unit; the CPU is used for controlling and processing the stored information of the memory; and the driver is controlled by the CPU to realize that the liquid crystal key unit displays the key symbols on liquid crystal screens. In addition, various programs realizing some function are arranged in the upper computer or the lower computer, and keys in the liquid crystal key unit are in one-to-one correspondence with the programs realizing some function according to demand. The use functions of the liquid crystal key designed by the utility model can be changed according to demand, and the displayed symbols of the corresponding keys are changed at the same time, so as to give full play to the functions of liquid crystal display. The liquid crystal key has strong expansibility.
Description
Technical field
The present invention relates to a kind of button, more particularly, relate to a kind of liquid crystal button of realizing function-variable by configuration host computer or slave computer.
Background technology
The specific function controller mainly is to use when dealing with special circumstances and need user's manual intervention to broadcast, and broadcast personnel removal system fault and the monotropic means efficiently and effectively that provide of moving of scheduled program brought owing to the broadcast items change rapidly are provided.At present, on the market, in the like product of other companies, the mode that adopts button to add LCD realizes the control to the specific function controller more, and as the controller of the same type that Shenzhen company produces, its front panel as shown in Figure 2.Represent that by LCD the design of button operation can reflect the function of each button intuitively.
Problem is, these liquid crystal buttons are function singleness often in use, that is to say when each point is pressed button, correspondingly realizes a definite function.This can utilize common button to substitute expensive liquid crystal button fully.Therefore, need be at the liquid crystal display function of liquid crystal button, the expansion usable range.
Summary of the invention
At the problem that liquid crystal keypress function in the prior art solidifies, the utility model provides a kind of liquid crystal key-press module unit that displaying symbol is variable but also each keypress function is variable of not only liquid crystal button.Its purpose is intended to solve the problem that existing liquid crystal keypress function is single, extendability is not strong, and has reached the purpose of making the best use of everything with this.
In order to address the above problem, the utility model has designed a kind of change function formula liquid crystal button, comprises the liquid crystal push-button unit, and the host computer and the slave computer that connect communication interaction information.Wherein, host computer is provided for revising the program of liquid crystal push-button unit display button symbol.Comprise central processing unit in the slave computer, be connected the storer and the driver of communicating by letter with central processing unit, driver is used to connect the demonstration that drives the liquid crystal push-button unit.Specify the function of each unit in the slave computer: storer is used to store described liquid crystal push-button unit symbols displayed data and keypress function; Central processing unit is used for control and handles described memory stores information; Driver is realized liquid crystal push-button unit display button symbol on each liquid crystal display by central processing unit control.In addition, be provided with the various programs that realize a certain function in host computer or the slave computer, each button is corresponding one by one as required with a certain functional programs of realization in the liquid crystal push-button unit.
Under the optimal way, above-mentioned storer is selected E for use
2PROM, central processing unit select single-chip microcomputer or ARM control chip for use; Driver is selected FPGA for use, and CPLD realizes.
The utility model not only can be realized the characteristics of former controller identifier keypress function effectively, can also realize the demonstration of different language, different content or different graphic according to user's difference.Thereby using, the button that can make controller has flexible characteristic more, be not restricted to one pattern, range of application is wider, can satisfy the user's of different nationalities, different language needs, the function that reflects each button more legibly, reduce the problem of maloperation effectively, improved the stability of control system.The utility model selects for use the special key that comprises the LCD liquid crystal display to cooperate with particular device, can make the needs of client according to self, change the function of button and the displaying contents of LCD by the mode of host computer special software, solve other controllers like this and can not realize the drawback of various control, strengthened the dirigibility of controller, can help user's operation more, avoid the influence of accident greatly.
In a word, the liquid crystal button of the utility model design can change the functions of use of liquid crystal button as required, changes the displaying symbol of respective keys simultaneously, thereby has given full play to the function of liquid crystal display, has stronger extendability.
Description of drawings
Fig. 1 is the schematic diagram of the function that the utility model becomes function formula liquid crystal button;
Fig. 2 is the panel display structure synoptic diagram of prior art liquid crystal button.
Embodiment
The utility model becomes function formula liquid crystal button, comprises the liquid crystal push-button unit (Key﹠amp among Fig. 1; The LCD unit) with host computer that is connected communication interaction information and slave computer.With reference to figure 1 explanation, wherein PC is a host computer, is provided for revising the program of liquid crystal push-button unit display button symbol.Among the figure, slave computer comprises central processor CPU, is connected the storer and the driver (FPGA) of communication with CPU.Wherein, storer is used to store liquid crystal push-button unit symbols displayed data; Central processing unit is used for the control store canned data; Driver is realized liquid crystal push-button unit display button symbol on each liquid crystal display by central processing unit control.Host computer is communicated by letter with slave computer and is selected the RS232/422 bus for use among the figure.
Under the optimal way, storer is selected E for use
2PROM; CPU selects single-chip microcomputer or ARM control chip for use; And driver selects for use the FPGA among the figure to realize, also can select for use CPLD to realize.
In order to realize the change of keypress function, host computer or slave computer are provided with the various programs that realize a certain function.These programs are artificially establishment as required, can be used for the control of various peripheral hardwares, also can be used for realizing a certain function of host computer.And this moment, the liquid crystal key-press module unit that provides by the utility model only was provided, and a certain function program that each button and reality is required is corresponding one by one, when pressing a certain button, calls corresponding program, and the real-time response program is finished corresponding function and got final product.
Change a certain button symbols displayed if desired, only need utilize the program that is used to revise liquid crystal push-button unit display button symbol in the host computer, the liquid crystal display symbol of corresponding button is deposited in the storer by the CPU in the slave computer; And under CPU control, call the symbolic information in the storer, the liquid crystal display displaying symbol of driver drives liquid crystal button, thus reach the purpose that changes the liquid crystal symbol.Accordingly, with the function program that a certain button correspondence is finished, in host computer or slave computer, be set to correspondence one by one, thereby when point is pressed this button, call required program, finish required function, also just reached the purpose of this change keypress function.
The utility model is selected special key for use, comprise the LCD liquid crystal display, use FPGA to provide dynamic character to refresh as button LCD, can make the needs of client according to self, change the displaying contents of LCD on the button by the mode of host computer, and content displayed can realize the demonstration of different language type according to user's difference setting, so just solved the not clear or inconvenient problem of sign change of other controller identifiers, can help user's operation more, avoided the generation of maloperation situation greatly, avoided basically because the chaotic maloperation influence that causes of sign.
Wherein, be used to revise the program of liquid crystal push-button unit display button symbol in the host computer, select TrueType software of the prior art for use.The course of work is: at first open TrueType software as required by the user, the corresponding sequence number of the choice of location of Geng Gai LCD as required, the user defines each LCD content to display, the content of definition can be a literal, any figure such as pattern, process according to system flowchart sends to FPGA (as shown in Figure 1) by CPU with newly-installed displaying contents then, simultaneously character display is stored, so that use after the power down, again by FPGA at different separately LCD addresses, send different data, realize effective control the concrete displaying contents of LCD.Wherein FPGA partly works shown in the FPGA process flow diagram, is divided into the input video data, and to the relevant position, the output video data is to LCD three parts according to the temporary video data of the LCD of different addresses.Displaying contents can be provided with by host computer according to user's needs, can adjust at any time as required like this.
The process that keypress function changes is as follows: at first as required controller (comprising the liquid crystal button) is carried out secondary development by the user, on stream, the user redefines the keypress function of controller and the displaying contents of LCD by special software, then in the main control chip with the content writing controller after the secondary definition, by of the definition of main control chip according to the user, the displaying contents of LCD and the various functions of button are reset, and setting is stored in the associated storage device, behind the content writing controller main control chip after the user will define, just can break away from PC, and separately controlled instrument is controlled, when operation interface has operation to take place, master controller is according to user's definition, and operation is carried out corresponding control to controlled instrument at different key.In procedure for displaying, by of the setting of main control device, the displaying contents at each LCD interface is sent to display control device according to the user, by display control device each LCD display interface is driven demonstration, and finish procedure for displaying by LCD.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (2)
1, a kind of change function formula liquid crystal button comprises the liquid crystal push-button unit, it is characterized in that, also comprises the host computer and the slave computer that connect communication; Described host computer is provided for revising the program of described liquid crystal push-button unit display button symbol;
Described slave computer comprises central processing unit, is connected the storer and the driver of communication with described central processing unit, and described driver connects described liquid crystal push-button unit;
Wherein,
Described storer is used to store described liquid crystal push-button unit symbols displayed data and keypress function;
Described central processing unit is used to control described memory stores information;
Described driver is realized described liquid crystal push-button unit display button symbol on each liquid crystal display by described central processing unit control;
In addition,
Described host computer or slave computer are provided with the various programs that realize a certain function, and each button is corresponding one by one with a certain functional programs of described realization in the described liquid crystal push-button unit.
2, change function formula liquid crystal button according to claim 1 is characterized in that described storer is selected E for use
2PROM, described central processing unit select single-chip microcomputer or ARM control chip for use; Described driver is selected FPGA for use, and CPLD realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200122174U CN201196732Y (en) | 2008-04-18 | 2008-04-18 | Function-changing liquid crystal press key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200122174U CN201196732Y (en) | 2008-04-18 | 2008-04-18 | Function-changing liquid crystal press key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196732Y true CN201196732Y (en) | 2009-02-18 |
Family
ID=40416365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200122174U Expired - Fee Related CN201196732Y (en) | 2008-04-18 | 2008-04-18 | Function-changing liquid crystal press key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196732Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810065A (en) * | 2016-05-10 | 2016-07-27 | 浙江求是科教设备有限公司 | Microcomputer transformer protection teaching device |
| CN106157092A (en) * | 2011-10-19 | 2016-11-23 | 弗思特费斯有限公司 | The method performing specific operation when mobile communication terminal activates |
-
2008
- 2008-04-18 CN CNU2008200122174U patent/CN201196732Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157092A (en) * | 2011-10-19 | 2016-11-23 | 弗思特费斯有限公司 | The method performing specific operation when mobile communication terminal activates |
| CN105810065A (en) * | 2016-05-10 | 2016-07-27 | 浙江求是科教设备有限公司 | Microcomputer transformer protection teaching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20110418 |