CN101387911B - Keyboard and mouse set special for upper limb disabled person - Google Patents
Keyboard and mouse set special for upper limb disabled person Download PDFInfo
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- CN101387911B CN101387911B CN2008101549580A CN200810154958A CN101387911B CN 101387911 B CN101387911 B CN 101387911B CN 2008101549580 A CN2008101549580 A CN 2008101549580A CN 200810154958 A CN200810154958 A CN 200810154958A CN 101387911 B CN101387911 B CN 101387911B
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Abstract
A keyboard and mouse package special for people with physical disability of upper limbs is equipped with a foot operating mechanism, a keyboard locating indicator disc and a driving procedure, the foot operating mechanism is operated by feet, when the mouse is in operating state, the movement of the mouse is controlled by moving a key-press to move down, left and right, when the keyboard is in operating state, a key needed to be clicked is chosen by up, down, left and right moving the key-press and confirming the key-press left and right, a computer emits an instruction signal sent by the foot operating mechanism through a serial port to a control chip which controls the keyboard locating indicator disc to be treated, and the control chip controls the illumining and the extinguishing of acorresponding light-emitting instruction diode to instruct the current state of the key-press. The key-press has large volume, which is convenient for the operation by feet, and the keyboard locatingindicator disc is utilized for real-time display, thereby realizing using a large key-press to operate a small keyboard with practicability, and overcoming the shortage that in the operating system, a simulative keyboard can not utilize combination keys and covers the display space.
Description
Technical field
The present invention relates to a kind of computer hardware, particularly a kind of upper limb disabled person keyboard special mouse apparatus.
Background technology
Mouse-keyboard is most important at present, the most widely used man-machine interaction instrument, and world's IT industry constantly develops, and does not have the disabled person of flexible finger to be deeply aware of one's own helplessness when faced with a great task.The conventional keyboard mouse is to design for the sound ordinary people of upper limbs, operation can only be by finger movement realization flexibly, with the keyboard is example, each key area has only 1-2 square centimeters, and it is intensive to arrange, only suitable finger manipulation, various in the market what is called " human engineering keyboard mouse " are all made an issue of on the comfort level that improves hand, and also not having a product is to be upper limbs or the handicapped personage's design of hand.Along with popularizing of computer, the disabled person uses this problem of inconvenience of computer to become increasingly conspicuous.
In April, 2006, the academics and students of Singapore Polytechnics develops indicator on a kind of slim magnetic keyboard and the mouth, and hope can use a computer with this personage that helps highly to paralyse.This equipment is vertical, and the QWERTY keyboard size looks the Polypropylence Sheet list of the bending that looks like to be printed on key.Contained indicator with mouth, touched key, and the magnetic switch under the keyboard will be made a response.The colored circles at this keyboard top is used as " mouse district ", and superincumbent just the moving of indicator moved in the plane as mouse.Additional service key symbol is arranged on the keyboard, can work as the left click and the right-click functionality of common mouse and use.At present such keyboard is also under test, commercially produces as yet.
On April 18 Beijing time, in the Education Exhibition of a few days ago holding in Moscow, Russia's scientists has showed that to the external world a kind of disabled person can foot-operated novel mouse.This special-purpose mouse is developed by Russia " educational information technology and equipment center (CITEE) ".It is this that to handle the volume of special-purpose mouse with pin wideer a little.It has only a button, and can be placed on the floor and use.This keyboard is sold within the border in Russia, but does not also have to obtain the very big market response at present.
By domestic and international present Research, also do not have simple and reasonablely at present in the world, the upper limb disabled person dedicated array of keys mouse suit that can be widely used emerges.
Summary of the invention
The technical problem to be solved in the present invention is at the deficiencies in the prior art, can catch up with the trend of information age easily in order to make the disabled person, has proposed a kind of upper limb disabled person keyboard special mouse apparatus simple to operation.
The technical problem to be solved in the present invention is achieved through the following technical solutions, and a kind of upper limb disabled person keyboard special mouse apparatus is characterized in: it is provided with pin operating mechanism and keyboard location display disc,
The pin operating mechanism comprises the operated by foot plate, is provided with upper and lower, left and right at least on the plate face of operated by foot plate and moves button; The keyboard and mouse switching key; And about confirm button, be provided with the button identification chip that is connected with above-mentioned button in the operated by foot plate, the button identification chip is connected with host computer by USB interface,
Keyboard location display disc is provided with an indication panel, indication panel is marked with the key position, be provided with luminous indicating diode one to one with the key position on the indication panel, luminous indicating diode is connected with control chip, control chip is connected with host computer by USB interface, and the connection level shifting circuit, level shifting circuit is connected with host computer 1 by the RS232 serial line interface, and host computer is powered to control chip by USB interface.
The technical problem to be solved in the present invention can also come by the following technical programs further to realize that all luminous indicating diodes are arranged and constituted matrix Access Control chip, and the position of luminous indicating diode is determined by the coordinate of matrix.
The technical problem to be solved in the present invention can also come further to realize by the following technical programs, about described pin operating mechanism comprises two, wherein one is provided with upper and lower, left and right and moves button, another piece be provided with the keyboard and mouse switching key and about confirm button.
The present invention aims at the upper limb disabled person design, operates the operated by foot plate with pin, under the mouse action state, moves button by upper and lower, left and right and comes moving of mouse beacon; Under the keyboard operation state, by upper and lower, left and right move button and about confirm that button cooperates and select the key that will knock, the instruction that computing machine sends the pin operating mechanism by serial ports sends to the control chip of supervisory keyboard display disc and handles, by control chip control corresponding luminous indicating diode bright, go out and indicate the state of current button.Compared with prior art, adopted the button of larger volume, be convenient to operate with pin; Adopt USB mouth and main frame to link, have good portability; Adopt keyboard location display disc to show in real time, realized operating keypad, have more practicality with big key; The left and right sides pedal of pin operating mechanism can be according to the personal habits reversing of position, and its spacing can be adjusted as required, has extensive applicability.Overcome the shortcoming that simulating keyboard in the operating system can not use Macintosh and take display space.
Description of drawings
Fig. 1 is that hardware of the present invention connects block diagram.
Fig. 2 is the key position synoptic diagram of keyboard location display disc.
Fig. 3 is the synoptic diagram of operated by foot plate.
Fig. 4 is keyboard location display disc circuit theory diagrams.
The matrix diagram that Fig. 5 arranges for luminous indicating diode.
Fig. 6 is a software flow pattern.
Embodiment
A kind of upper limb disabled person keyboard special mouse apparatus, it is provided with pin operating mechanism 6, keyboard location display disc 4 and a cover driver.
Keyboard location display disc 4 is provided with an indication panel 11, indication panel 11 is marked with the key position, be provided with luminous indicating diode one to one with the key position on the indication panel 11, luminous indicating diode is connected with control chip 3, control chip 3 is connected with host computer 1 by USB interface, and connecting level shifting circuit 2, level shifting circuit 2 is connected with host computer 1 by the RS232 serial line interface.Host computer 1 is powered to control chip 3 by USB interface, the instruction that computing machine sends the pin operating mechanism by serial ports sends to the control chip 3 of supervisory keyboard display disc and handles, by the corresponding luminous indicating diode of control chip 3 control bright, go out and indicate the state of current button.
All luminous indicating diodes are arranged and are constituted matrix Access Control chip, and the position of luminous indicating diode is determined by the coordinate of matrix.About described pin operating mechanism 6 comprises two, wherein one is provided with upper and lower, left and right and moves button, another piece be provided with the keyboard and mouse switching key and about confirm button.
Driver is divided into host computer and slave computer two parts.Host computer is the program that is contained on the computing machine, and slave computer is the program of the control chip of keyboard location display disc.
(1) realization of host computer
The driving of host computer is write with Microsoft Visual Basic 6.0, two problems that mainly solve in the driving:
1) host computer and single-chip microcomputer communicates by letter.Host computer utilizes the joySetCapture in the api function, joySetThreshold, and joyGetPos and joyReleaseCapture realize reading the operated by foot organization data; Utilize MSComm control among the VB to realize communicating by letter of single-chip microcomputer in host computer and the simulating keyboard, the key information of operated by foot mechanism is handled by the single-chip microcomputer that serial ports sends to the supervisory keyboard display disc, result is presented on the keyboard display disc then, the led that is corresponding key can be bright, show and selected this button, press the definite key in the operated by foot mechanism again, promptly allow on the keyboard display disc corresponding key issue operating system by driver.
What 2) host computer drove writes.What operated by foot mechanism and computer interface adopted is the game paddle interface of computing machine, and host computer from the data that operated by foot mechanism reads, is converted into key information according to the api function among the VB, handles respectively according to the data of being obtained.Mainly comprise the following aspects: 1. handle mouse and keyboard switching by the timer5 control, driver collects the button value of operated by foot mechanism, if equal first particular value, so with enabling mouse function, the closing keyboard function; If equal second particular value, enable keypad function so, close mouse function; 2. each corresponding on keyboard button is defined, each button, corresponding value sends to system, simulates the keyboard operation of corresponding button.For Macintosh, key before adopting in the drive software (as Alt/Ctrl/Shift etc.) is retained to the mode that resets again after the back key is pressed and realizes; The key that moves up and down by operated by foot mechanism carries out the selection of key; 3. under mouse function, the data of operated by foot mechanism are gathered in the click of mouse beacon, if equal the 3rd particular value, need analog mouse to click left button once so; If equal the 4th particular value, need the mouse simulation to click right button so.How a certain particular value occurs twice continuously, then for double-clicking; 4. gather the mouse mobile data, obtain the position of mouse on screen earlier, if collect the signal that moves up and down of operated by foot mechanism, send to system so and allow the data that move up and down of mouse correspondence, make mouse produce corresponding mobile, the each pixel value that moves of change just can be changed the precision that mouse moves.
(2) realization of slave computer
Slave computer provides hardware supported by the 89C51 single-chip microcomputer for the realization of function, because simulating keyboard is only required the control to LED, so required program's memory space is little, the enough stored routine data of ROM of the inner 4KB of 89C51 single-chip microcomputer so just need not be carried out the storage space expansion to single-chip microcomputer.The data transmission of PC and single-chip microcomputer is realized by com port, adopts 9600 baud rates.Because the output voltage of com port greater than the single-chip microcomputer operating voltage, utilizes chip RS232 to realize the level conversion.PC is observed same agreement with communicating by letter of single-chip microcomputer, the single-chip microcomputer that PC sends to the supervisory keyboard display disc with the key information of operated by foot mechanism by serial ports is eight a binary number, it is admitted to specified register SBUF, single-chip microcomputer is reading of data from SBUF, take out the preceding four figures and the back four figures of eight-digit binary number respectively and put into register R0 and R1 respectively, and according to Data Control P0, the state of P1 and P2 mouth, thereby realize control to LED, make this data institute corresponding keys present shinny state, show and selected this button.
Claims (3)
1. upper limb disabled person keyboard special mouse apparatus is characterized in that: it is provided with pin operating mechanism (6) and keyboard location display disc (4),
Pin operating mechanism (6) comprises operated by foot plate (8), is provided with upper and lower, left and right on the plate face of operated by foot plate (8) at least and moves button (9); Keyboard and mouse switching key (10); And about confirm button (7), be provided with the button identification chip (5) that is connected with above-mentioned button in the operated by foot plate (8), button identification chip (5) is connected with host computer (1) by USB interface,
Keyboard location display disc (4) is provided with an indication panel (11), indication panel (11) is marked with the key position, be provided with luminous indicating diode one to one with the key position on the indication panel, luminous indicating diode is connected with control chip (3), control chip (3) is connected with host computer (1) by USB interface, and connection level shifting circuit (2), level shifting circuit (2) is connected with host computer (1) by the RS232 serial line interface, and host computer (1) is powered to control chip (3) by USB interface.
2. upper limb disabled person keyboard special mouse apparatus according to claim 1 is characterized in that: all luminous indicating diodes are arranged and are constituted matrix Access Control chip (3), and the position of luminous indicating diode is determined by the coordinate of matrix.
3. upper limb disabled person keyboard special mouse apparatus according to claim 1, it is characterized in that: about described pin operating mechanism (6) comprises two, wherein one is provided with upper and lower, left and right and moves button, another piece be provided with the keyboard and mouse switching key and about confirm button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101549580A CN101387911B (en) | 2008-10-30 | 2008-10-30 | Keyboard and mouse set special for upper limb disabled person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101549580A CN101387911B (en) | 2008-10-30 | 2008-10-30 | Keyboard and mouse set special for upper limb disabled person |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101387911A CN101387911A (en) | 2009-03-18 |
| CN101387911B true CN101387911B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101549580A Expired - Fee Related CN101387911B (en) | 2008-10-30 | 2008-10-30 | Keyboard and mouse set special for upper limb disabled person |
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| CN (1) | CN101387911B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102214009A (en) * | 2010-04-08 | 2011-10-12 | 深圳市闪联信息技术有限公司 | Method and system for implementing keyboard input |
| CN103365407A (en) * | 2012-04-07 | 2013-10-23 | 赵飞云 | Writing machine for the handless disabled |
| CN109992135B (en) * | 2019-02-22 | 2021-12-21 | 江苏理工学院 | Mouse for disabled people |
| CN113031788A (en) * | 2019-12-05 | 2021-06-25 | 劳漠雨 | Display system longitudinal and transverse position indicator operated and used by human feet |
| CN112099648B (en) * | 2020-10-09 | 2023-09-12 | 鄂尔多斯应用技术学院 | Double-foot control keyboard and input method thereof |
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2008
- 2008-10-30 CN CN2008101549580A patent/CN101387911B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101387911A (en) | 2009-03-18 |
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Granted publication date: 20100901 Termination date: 20121030 |