CN106371628A - Wearable air mouse control system - Google Patents
Wearable air mouse control system Download PDFInfo
- Publication number
- CN106371628A CN106371628A CN201610756166.5A CN201610756166A CN106371628A CN 106371628 A CN106371628 A CN 106371628A CN 201610756166 A CN201610756166 A CN 201610756166A CN 106371628 A CN106371628 A CN 106371628A
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- module
- arm
- control system
- button
- wearable air
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
- G06F3/0383—Signal control means within the pointing device
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a wearable air mouse control system. The wearable air mouse control system comprises a mouse body, wherein an arm posture acquisition module, a key module, a central processor, a wireless transmitting module, a wireless receiving module and a terminal processor are respectively arranged in the mouse body; the central processor is respectively connected with the arm posture acquisition module, the key module and the wireless transmitting module, the wireless transmitting module is wirelessly connected with the wireless receiving module, and the wireless receiving module is connected with the terminal processor; and the arm posture acquisition module processes and analyzes the acquired information about the posture of a human arm and transmits the processed information to the central processor so as to perform the corresponding control. A conventional mouse function can be implemented by acquiring the arm posture through a part bound with the human arm, no working plane is needed, and the limitation of the conventional mouse on needing the working plane and a mouse mat can be avoided in the fields such as households, classrooms and factories.
Description
Technical field
The invention belongs to the application of computer man-machine interacting interface equipment, more particularly, to a kind of wearable air mouse
Control system.
Background technology
2009, in family's entertainment field, television set was closely combined togather with the Internet.Internet television is complete
State sells fast, and Shanghai iptv user breaks through 1,000,000 becomes the first in the world.Increasing youngster selects htpc to come diy's oneself
" humble abode ".More excellent contents enter on the screen of TV, see high definition, search video, browse webpage, or even TV is direct
As computer screen.The recreation center of family has slowly been focused on parlor by user, lackadaisical be recumbent on a sofa loosen mood,
Comfortable enjoyment.But, how now to manipulate, in parlor interior-excess, the problem gradually having become maximum, Mus be put on tea table
Mark？Or the online of key up and down with remote control？The demand of user is often the driving source of innovation, a kind of wearable aerial
Mouse control system is arisen at the historic moment.
Using air mouse control method and system, screen cursor can be operated as conventional mouse, but not need to put
In any plane, rock in the air and just can directly operate with.It is freely conveniently its characteristic, for example permissible in office realm
As bulletin pen, the personnel doing ppt demonstration are allowed to be no longer necessary to be sitting on conference table and move back and forth computer, by remote control so that it may realize Mus
The function such as mark operation and page turning；In home entertainment, cooperation TV or htpc use so that mouse really becomes " lazy in parlor
People's instrument ", realizes so-called " entering to obtain study, descend to obtain the hall ".
For a user, the quality evaluating a mouse needs to consider positioning precision, flatness, ease for operation.Tradition
Mouse often weighs degree of accuracy with dpi, and employs the mouse of air mouse control method and system, can accurately point to
Each character on screen.Flatness refers to mouse in screen upper drawing circle or curve, if do not have corner angle or broken line, this
Often it is decided by sample frequency, the rounder and more smooth exquisiteness of more high then curve, such as sample frequency reaches 120hz can be as conventional mouse
Smooth.In addition, employing the mouse of air mouse control method and system for domestic consumer, it is a kind of brand-new experience,
User excessively can't pay close attention to ins and outs in use, and more values subjective feeling, such as, using distance, angle, move
Make and screen cursor concordance, the sensitivity level of button, anti-interference and whether occur cursor shake etc., this be also weigh
The standard of ease for operation.
A kind of wearable air mouse control system, as the mode of mouse remote controller, will be pointing directly at the remote control of screen
It is combined together with the mouse supporting multimedia application, the dual-use of compatible computer and TV, greatly improve the use of user
Experience, makes user while not changing remote control using method, more easily operates various applications, and such as game is mutual with other
Dynamic business.Mouse remote controller had both met user and had seen the custom using remote control when TV, again can be remote control as mouse
Carry out operation interface, browse webpage, play games, easy and convenient, it is a kind of brand-new enjoyment.
Content of the invention
It is an object of the invention to proposing a kind of wearable air mouse control system, can achieve by being bundled in human body handss
Arm section is acquired arm attitude and carries out conventional mice function, can use without working face, in household, classroom, factory
Conventional mice can be broken away from etc. some occasions needs the restriction of working face and mouse pad.
The technical solution adopted in the present invention: a kind of wearable air mouse control system, including mouse body, mouse is originally
It is respectively arranged with arm Posture acquisition module, key-press module, central processing unit, wireless sending module, wireless receiving module in vivo
And terminal handler；Described central processing unit connects described arm Posture acquisition module, described key-press module and described nothing respectively
Line sending module, described wireless sending module is wirelessly connected with described wireless receiving module, described wireless receiving module with described
Terminal handler connects.
Preferably, described arm Posture acquisition module carries out Treatment Analysis and transmits by gathering human arm attitude information
Controlled accordingly to described central processing unit.
Preferably, described human arm attitude information includes the leaning forward of arm, the initial data of hypsokinesis, "Left"-deviationist and Right deviation,
Initial data is that control light is marked on the upper shifting of screen, moves down, moves to left and right respectively through described arm Posture acquisition module transitions
Move, and user can change the state of arm attitude and the corresponding relation of moving direction of cursor.
Preferably, described human arm attitude information also includes arm in the inclination angle of all directions, angular velocity, angular acceleration
Initial data, initial data through described arm Posture acquisition module transitions be light target move.
Preferably, described arm Posture acquisition inside modules arrange attitude algorithm device, and described attitude algorithm device is used for exporting
Human arm attitude information.
Preferably, described key-press module be left button button, right click button, roller key button, button, directionkeys on directionkeys
Lower button, space bar button and current window minimize key button.
Preferably, described wireless receiving module is to be integrated with and rf protocol-dependent igh-speed wire-rod production line part
Nrf2401 Receiver Module.
Preferably, described terminal handler realizes the conversion of usb/ttl data signal, by the described human arm attitude of collection
Information transfer carries out Treatment Analysis to computer.
Compared with prior art, the invention has the beneficial effects as follows: the present invention computer end install related driver programs with
And after wirelessly being connected, using this air mouse control system, can achieve and be acquired by being bundled in human finger part
Arm attitude carries out conventional mice function, can use without working face, and in household, classroom, factory etc., some occasions are permissible
Breaking away from conventional mice needs the restriction of working face and mouse pad, and with conventional mice agreement as source, compatibility is good.
Brief description
Fig. 1 is a kind of structural representation of wearable air mouse control system of the present invention.
Fig. 2 is the method flow gathering human arm attitude information in a kind of wearable air mouse control system of the present invention
Figure；
Fig. 3 is a kind of workflow of wearable air mouse control system key-press module of the present invention；
Fig. 4 is a kind of wearable air mouse control system of the present invention arm attitude taking left hand as a example and light target is dynamic
Relation；
Fig. 5 be a kind of transmission of wearable air mouse control system of the present invention or receive mould nrf2401 pin with
Central processor msp430 single-chip microcomputer corresponds to pin connection figure.
Specific embodiment
Further illustrate technical scheme with reference to specific embodiment.
As shown in figure 1, a kind of wearable air mouse control system, including mouse body, it is respectively provided with mouse body
There are arm Posture acquisition module, key-press module, central processing unit, wireless sending module, wireless receiving module and terminal handler；
Described central processing unit connects described arm Posture acquisition module, described key-press module and described wireless sending module, institute respectively
State wireless sending module to be wirelessly connected with described wireless receiving module, described wireless receiving module is with described terminal handler even
Connect.
In the concrete technical scheme of the present invention, described arm Posture acquisition module is passed through to gather human arm attitude information
Carry out Treatment Analysis and send described central processing unit to and controlled accordingly；Described human arm attitude information includes arm
Lean forward, the initial data of hypsokinesis, "Left"-deviationist and Right deviation, initial data through described arm Posture acquisition module transitions be control respectively
Light processed is marked on the upper shifting of screen, moves down, moves to left and move to right, and user can change state and the cursor movement side of arm attitude
To corresponding relation；Described human arm attitude information also includes arm in the inclination angle of all directions, angular velocity, angular acceleration
Initial data, initial data moves for light target through described arm Posture acquisition module transitions.
In the concrete technical scheme of the present invention, described arm Posture acquisition inside modules arrange attitude algorithm device, described
Attitude algorithm device is used for exporting human arm attitude information；Described key-press module is left button button, right click button, roller key are pressed
Under button on button, directionkeys, directionkeys, button, space bar button and current window minimize key button；Described wireless receiving mould
Block is the nrf2401 Receiver Module being integrated with rf protocol-dependent igh-speed wire-rod production line part；Described terminal handler
Realize the conversion of usb/ttl data signal, the described human arm attitude information of collection is transferred to computer and carries out Treatment Analysis.
When actually used, as follows with regard to wireless sending module and the wireless receiving module plan of establishment:
Choose same communication protocol in computer end and mouse transmitting terminal respectively, if mouse transmitting terminal and computer receiving terminal
It has been operated in same frequency, can directly carry out communication each other；If mouse transmitting terminal and the work of computer receiving terminal
In different frequency, adjust the transmission frequency of mouse transmitting terminal and computer receiving terminal.Method particularly includes: select in computer receiving terminal first
Select a kind of communication protocol and transmission frequency, then mouse transmitting terminal sends test signal in several transmission frequency, until
Computer receiving terminal receives an identification code that can be correctly validated, then mouse transmitting terminal and computer receiving terminal are operated in same frequency
Rate, completes attended operation；
A, adopt simplex mode.Nrf2401 can be operated under way communication, receive and dispatch simultaneously, this
Test adopts simplex mode, and transmitting terminal only sends, and receiving terminal only receives.
B, transmission data length are configured to 8bit, once only send a byte.Actually nrf2401 can once send out
Send multiple bytes.
C, mailing address length are set to 32bit, 4 bytes.Transmitter address is defined as 0x12345678, receiver ground
Location is defined as 0x87654321.
D, single-chip microcomputer and nrf2401 data transfer adopt its internal hardware spi module realize, single-chip microcomputer as main frame,
Nrf2401 is slave.Between them, data transmission is sent using 430 single-chip microcomputer uart and interrupts and receive implement of interruption function.But have
There is no spi module (as 80c51 single-chip microcomputer) inside a little processors, just can only realize number using io mouth spi communication timing simulation
According to transmitting.
By using rt2411 module, we only need to connect corresponding with msp430 single-chip microcomputer for nrf2401 pin pin
Get up just to complete hardware to connect, as shown in Figure 5.
This device only uses passage 1, so being not related to the pin (clk2 and dout2) relevant with passage 2 when hardware connects.
Rt2411 module and 430 Single Chip Microcomputer (SCM) system common-battery sources (3.3v) altogether after, need the pin connecting to also have pwr, cs, ce, clk1,
Data, dr1.clk1 are the spi clock signals that spi main frame msp430f149 provides, and data is linked by two 10k ohmages
Single-chip microcomputer spi data port simo and somi (noticing that the resistance of this two 10k ohms is essential), pwr, cs, ce are nrf2401
Chip controls signal, dr1 require connect to 430 single-chip microcomputers one has on the io mouth of external interrupt, because nrf2401 passes through
The level saltus step of dr1 pin notifies single-chip microcomputer, and it has been received by data, and when nrf2401a is not received by data, dr1 foot exports
Low level, receiving during data saltus step is high level, after the data reading during single-chip microcomputer is accepted to cache is walked, just can revert to
Low level.
When actually used, as follows with regard to the key-press module plan of establishment:
As Fig. 3, key-press module is judged using interrupt mode, specifically: produce when mousebutton is pressed and interrupt, single
Data message is sent to connecting computer destination module by mouse transmitting terminal wireless transport module by the data of button by piece machine, then
Transmit this data to terminal handler from interface, realize the function of key-press module.
Following table is the information cursor operations corresponding with information of different key transmission number:
When actually used, as follows with regard to the arm Posture acquisition module plan of establishment:
First: the seizure of static base point
When gyroscope remains stationary is motionless, the reference quiescent voltage value that the data book of mpu6050 chip is given is 3-
6v.But in real work, due to the diversity of device, peripheral environment temperature change etc., each gyroscope all can be made to work
In resting state, quiescent voltage value not necessarily data book specified value.It is thus desirable to the output under resting state
Voltage is detected again, i.e. the seizure of static base point.
The method for catching of static base point is as follows:
(1) keep gyroscope in resting state, by the output voltage of the ad converter sampling gyroscope of single-chip microcomputer and complete
Ad changes.Assume that the value after gyroscope ad conversion is: x, y and z.
(2) x, y and z are the numerical value of 10bit here, mask its minimum 2 data, will x, y and z divide during design
Other and 0xfc position carries out AND-operation.
(3) in order to eliminate error further, read continuous for above-mentioned data twice, average.
(4) because of gyroscope under static state, voltage substantially constantization of output is it is possible to continuous detecting is many
Secondary, then carry out data and compare.If continuous detecting repeatedly through shielding noise and average after data all equal, show
Gyroscope is at resting state.
(5) record the value of now x, y and z respectively.These three values are the value of static base point: static_x, static_
Y and static_z.
(6) static_x, static_y and static_z are write in the eeprom of main controller, its objective is to make next
The value of static_x, static_y and static_z can directly read it is not necessary to detect static base every time from eeprom
On schedule.
Second: the measurement of dynamic rotary angle variable rate
When two axis gyroscope instrument rotates, the output voltage of each axle can change, that is, in static base voltage
Both sides change.
(1) when gyroscope rotates, calculate two-dimensional direction on anglec of rotation rate of change:
Rotationrate_x=current_x-static_x/q
In formula, current_x represents the output in x-axis, and static_x represents exporting when not rotating in x-axis
Amount；Q be gyroscope sensitivity coefficient (the big I of coefficient is configured according to the actual needs, and sensitivity to be improved then may be used
Size with reduction ratio).The same x-axis of the computational methods of anglec of rotation rate of change in y, z-axis.When object rotates, gyro
Instrument also and then rotates, and by the measurement to anglec of rotation rate of change, just can measure the change of the gyroscope anglec of rotation in the plane
Change, thus learning that object is skyborne rotationally-varying.
(2) in a kind of wearable air mouse control method and systematic difference, herein by the sensitivity system of gyroscope
The value of number q is set to 20, and the test of excessively actual mouse can meet mouse pointer skyborne Bit andits control needs.
Arm Posture acquisition inside modules arrange attitude algorithm device, by attitude algorithm device and Kalman filtering algorithm collection
Human arm attitude information and key information, obtain human arm attitude information flow process figure as shown in Figure 2.
Obtain the research method that human arm attitude information module mainly adopts quaternion differential equation formula.Quaternary number is permissible
One coordinate system of description or vector rotating relative to some coordinate system, the scalar component of quaternary number illustrates the one of corner
Half cosine value, and its vector section then represents more than the direction in direction, the instantaneous axis of rotation and reference frame between centers of instantaneous axis
String value.Therefore, quaternary number had both illustrated the direction of rotating shaft, illustrates the size of corner again, is often called rotation quaternary
Number.
The feature quaternary number being typically 1 with norm in engineering, the scalar component of feature quaternary number represents the general of corner
Cosine value, its vector section represents the direction of instantaneous axis n.As formula r '=ara* represents that vector r rotates relative to reference frame
One corner a, wherein represents the angle of arm rotation, cos α, cos β, cos γ represent rotary shaft n and reference coordinate in formula
Be between centers direction cosines value represent arm rotation direction.
Arm is leaned forward by we and the direction of hypsokinesis and angle are stored in array angle [0], will be left-leaning for arm and have and incline
Direction and angle be stored in array angle [1], thus realize arm attitude to light target control.
For a person skilled in the art, can technical scheme as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the protection model that all should belong to the claims in the present invention
Within enclosing.
Claims (8)
1. a kind of wearable air mouse control system, including mouse body it is characterised in that: be respectively arranged with mouse body
Arm Posture acquisition module, key-press module, central processing unit, wireless sending module, wireless receiving module and terminal handler；Institute
State central processing unit and connect described arm Posture acquisition module, described key-press module and described wireless sending module respectively, described
Wireless sending module is wirelessly connected with described wireless receiving module, and described wireless receiving module is connected with described terminal handler.
2. a kind of wearable air mouse control system according to claim 1 it is characterised in that: described arm attitude is adopted
Collection module is passed through collection human arm attitude information and is carried out Treatment Analysis and send described central processing unit to and controlled accordingly
System.
3. a kind of wearable air mouse control system according to claim 2 it is characterised in that: described human arm appearance
State information includes the leaning forward of arm, the initial data of hypsokinesis, "Left"-deviationist and Right deviation, and initial data is through described arm Posture acquisition mould
Block is changed into control light respectively and is marked on the upper shifting of screen, moves down, moves to left and move to right, and user can change the shape of arm attitude
State and the corresponding relation of moving direction of cursor.
4. a kind of wearable air mouse control system according to claim 2 it is characterised in that: described human arm appearance
State information also include arm the inclination angle of all directions, angular velocity, angular acceleration initial data, initial data is through described handss
Arm Posture acquisition module transitions move for light target.
5. a kind of wearable air mouse control system according to claim 1 it is characterised in that: described arm attitude is adopted
Collection inside modules setting attitude algorithm device, described attitude algorithm device is used for exporting human arm attitude information.
6. a kind of wearable air mouse control system according to claim 1 it is characterised in that: described key-press module is
Under button on left button button, right click button, roller key button, directionkeys, directionkeys, button, space bar button and current window be
Littleization key button.
7. a kind of wearable air mouse control system according to claim 1 it is characterised in that: described wireless receiving mould
Block is the nrf2401 Receiver Module being integrated with rf protocol-dependent igh-speed wire-rod production line part.
8. a kind of wearable air mouse control system according to claim 1 it is characterised in that: described terminal handler
Realize the conversion of usb/ttl data signal, the described human arm attitude information of collection is transferred to computer and carries out Treatment Analysis.
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| CN201610756166.5A CN106371628A (en) | 2016-08-29 | 2016-08-29 | Wearable air mouse control system |
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|---|---|---|---|
| CN201610756166.5A CN106371628A (en) | 2016-08-29 | 2016-08-29 | Wearable air mouse control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111367408A (en) * | 2020-02-26 | 2020-07-03 | 山东超越数控电子股份有限公司 | Air mouse based on motion acquisition module and control method |
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| DE202010010850U1 (en) * | 2009-12-29 | 2011-01-05 | Golden Leader Technology (China) Ltd., Futian | MEMS sensor |
| CN102109913A (en) * | 2009-12-29 | 2011-06-29 | 金领导科技（深圳）有限公司 | Controller pointer positioning method based on composite MEMS sensor and controller |
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