CN103838402A - Photoelectric wired mouse special for RS232 interface and use method thereof - Google Patents
Photoelectric wired mouse special for RS232 interface and use method thereof Download PDFInfo
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- CN103838402A CN103838402A CN201410093106.0A CN201410093106A CN103838402A CN 103838402 A CN103838402 A CN 103838402A CN 201410093106 A CN201410093106 A CN 201410093106A CN 103838402 A CN103838402 A CN 103838402A
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Abstract
The invention provides a photoelectric wired mouse special for an RS232 interface and a use method thereof. The photoelectric wired mouse comprises a photoelectric mouse device, a data transmission line and the RS232 interface. The A end of the data transmission line is electrically connected with the RS232 interface, and the B end of the data transmission line is electrically connected with the photoelectric mouse device. The photoelectric wired mouse has the advantages that the feature of high precision of an original photoelectric mouse is kept, due to the fact that the RS232 interface is configured, the anti-electromagnetic interference capability of the mouse is effectively improved, the photoelectric wired mouse can be used in a complicated electromagnetic environment, the use range of the mouse is expanded, and surge protection of the mouse in the use process is also facilitated; a distance sensor is installed, the mouse is controlled in a working state or a dormant state, and a large amount of energy is saved.
Description
Technical field
The present invention relates to a kind of mouse, be specifically related to a kind of RS232 interface special photoelectric wire mouse and using method thereof.
Background technology
Optical mouse is by the displacement of infrared ray or laser detection Genius mouse, and displacement signal is converted to electric impulse signal, more a kind of hardware device moving by processing and the conversion and control onscreen cursor arrow of program.Compared with traditional mechanical mouse, optical mouse has the simple and high-precision advantage of physical construction, has become the mouse of current main flow.
But existing optical mouse only has PS/2 interface, USB interface or wave point conventionally, on the one hand, interface type is limited, has certain use limitation; On the other hand, for example, for some particular surroundingss: in industry spot, because its electromagnetic environment is very complicated, and the optical mouse of configuration PS/2 interface, USB interface or wave point exists the problem that is subject to electromagnetic interference (EMI), cause it to be difficult to use in complicated electromagnetic environment.
Summary of the invention
The defect existing for prior art, the invention provides a kind of RS232 interface special photoelectric wire mouse and using method thereof, in keeping original optical mouse high precision advantage, owing to disposing RS232 interface, effectively improve the anti-electromagnetic interference capability of mouse, can in complicated electromagnetic environment, use, expand the usable range of mouse.
The technical solution used in the present invention is as follows:
The invention provides a kind of RS232 interface special photoelectric wire mouse, comprising: optical mouse, data line and RS232 interface; The A end of described data line is electrically connected with described RS232 interface, and the B end of described data line is electrically connected with described optical mouse.
Preferably, described data line is shielded cable.
Preferably, described optical mouse comprises shell, luminescent device, optical lens, optical sensor, processor, feed circuit, RS232 agreement level shifting circuit and mouse performance pattern flip flop equipment;
Described luminescent device is fixed on the inside of described shell, and its transmitting light path is towards the photosensitive window that is opened in outer casing bottom; On the reflected light path through described photosensitive window reflection, described optical lens is installed; Described mouse performance pattern flip flop equipment is arranged on described shell upper;
The B end of described data line is connected with described processor by described RS232 agreement level shifting circuit; The B end of described data line is also connected with described processor by described feed circuit; Described processor also connects respectively described optical sensor and described mouse performance pattern flip flop equipment.
Preferably, described luminescent device is light emitting diode; Described mouse performance pattern flip flop equipment is mode conversion switch, left and right press key microswitch, middle key microswitch, roller, push rod or capacitor induction type switch.
Preferably, described feed circuit comprise: diode D3, diode D4, three-terminal voltage-stabilizing circuit U 2 and filter capacitor C2;
The B end RTS pin of described data line is connected with the positive pole of described diode D3 and described diode D4 respectively with DTR pin; The negative pole of described diode D3 and described diode D4 is connected to described three-terminal voltage-stabilizing circuit U 2; After described filter capacitor C2 is in parallel with described three-terminal voltage-stabilizing circuit U 2, be connected to the Vcc end of described processor.
Preferably, described shell is the housing with electro-magnetic screen function.
The present invention also provides a kind of using method of RS232 interface special photoelectric wire mouse, comprises the following steps:
S1, is inserted into the RS232 interface of described photoelectricity wire mouse on the RS232 interface of computer;
S2, described computer expert crosses described RS232 interface and powers to described photoelectricity wire mouse; And, between described computer and described photoelectricity wire mouse, carry out data communication by described RS232 interface.
Preferably, in S2, between described computer and described photoelectricity wire mouse, carry out data communication by described RS232 interface and be specially:
S21, described processor comprises flip flop equipment response unit, mouse position capture unit and RS232 conversion unit of protocol;
Described processor receives by described flip flop equipment response unit the triggering command that described mouse performance pattern flip flop equipment sends;
And described processor captures the positional information of described optical mouse by described mouse position capture unit;
S22, described processor, by described triggering command and described positional information are analyzed, generates the steering order to computer cursor; Then by described RS232 conversion unit of protocol, described steering order is converted to the RS232 steering order of the discernible RS232 of the meeting communication protocol of computer operating system; Wherein, described RS232 steering order is logic level;
S23, described RS232 steering order is sent to described RS232 agreement level shifting circuit by described processor;
S24, described RS232 agreement level shifting circuit is the control information that meets RS232 level by the logic level transition of described RS232 steering order;
S25, described RS232 agreement level shifting circuit sends to computer by described control information by RS232 interface.
Preferably, described processor captures the positional information of described optical mouse by described mouse position capture unit, be specially:
Described optical mouse is placed on supporting surface, when described optical mouse is on described supporting surface in moving process, described luminescent device is constantly to described photosensitive window emission of light, this light is irradiated on described supporting surface, through described supporting surface reflection, produce the reflection ray that carries supporting surface topography; This reflection ray focuses on described optical lens;
The light that described optical sensor focuses on optical lens described in certain frequency collection, extracts its entrained supporting surface topography, obtains multiple supporting surface topography sequences of arranging according to time sequencing; Then described supporting surface topography sequence is sent to the mouse position capture unit of described processor;
Described mouse position capture unit is analyzed the described supporting surface topography sequence receiving, and the difference of more each Zhang Suoshu supporting surface topography, obtains the mobile displacement of Genius mouse, and then obtain the positional information of Genius mouse.
Preferably, described photoelectricity wire mouse is also built-in with range sensor;
Only have in the time that described range sensor senses that described optical mouse is gripped by staff, just make described computer expert cross described RS232 interface and power to described photoelectricity wire mouse, make described photoelectricity wire mouse in running order; Otherwise described computer is not powered to described photoelectricity wire mouse by described RS232 interface, described photoelectricity wire mouse is in dormant state.
RS232 interface special photoelectric wire mouse provided by the invention and using method thereof, have the following advantages:
(1) in keeping original optical mouse high precision advantage, owing to disposing RS232 interface, effectively improve the anti-electromagnetic interference capability of mouse, can in complicated electromagnetic environment, use, expanded the usable range of mouse; Also be conducive to mouse carrying out surge protection in use;
(2), by mounting distance sensor, the in running order or dormant state of mouse beacon, has saved large energy.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of RS232 interface special photoelectric wire mouse provided by the invention;
Fig. 2 is a kind of physical circuit figure of photoelectricity wire mouse provided by the invention;
Fig. 3 is a kind of physical circuit figure of feed circuit.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, the invention provides a kind of RS232 interface special photoelectric wire mouse, comprising: optical mouse, data line and RS232 interface; The A end of described data line is electrically connected with described RS232 interface, and the B end of described data line is electrically connected with described optical mouse.Have large quantity research and show, the mouse of RS232 interface has extremely strong anti-electromagnetic interference capability, in the present invention, makes optical mouse configuration RS232 interface, thereby has significantly improved the anti-electromagnetic interference capability of existing optical mouse.In addition, in practical application, data line can adopt shielded cable, and shell adopts has the housing of electro-magnetic screen function, thereby further improves the anti-electromagnetic interference capability of optical mouse.In addition, shell is made as to the housing with electro-magnetic screen function, can also reduces the radiation to human body in mouse use procedure, improve the security that mouse uses.
As a kind of embodiment, optical mouse comprises shell, luminescent device, optical lens, optical sensor, processor, feed circuit, RS232 agreement level shifting circuit and mouse performance pattern flip flop equipment; Wherein, luminescent device can adopt light emitting diode; Mouse performance pattern flip flop equipment includes but not limited to mode conversion switch, left and right press key microswitch, middle key microswitch, roller, push rod or capacitor induction type switch etc.;
Luminescent device is fixed on the inside of shell, and its transmitting light path is towards the photosensitive window that is opened in outer casing bottom; On the reflected light path through photosensitive window reflection, optical lens is installed; Mouse performance pattern flip flop equipment is arranged on shell upper; The B end of data line is connected with processor by RS232 agreement level shifting circuit; The B end of data line is also connected with processor by feed circuit; Processor also connects respectively optical sensor and mouse performance pattern flip flop equipment.
As shown in Figure 2, be a kind of physical circuit figure of photoelectricity wire mouse, wherein, the processor that U1 is mouse, can be by chip microcontroller; K1, K2 are two buttons of mouse; U3 is optical sensor.RS232 agreement level shifting circuit, for being RS232 level by logic level transition, is realized communicating by letter between mouse and computing machine.It specifically comprises: resistor R1-R5, capacitor C1, diode D1, D2 and bipolar transistor Q1, Q2.
As shown in Figure 3, be a kind of physical circuit figure of feed circuit, for by computer to mouse stable power-supplying, comprising: diode D3, diode D4, three-terminal voltage-stabilizing circuit U 2 and filter capacitor C2; The B end RTS pin of data line is connected with the positive pole of described diode D3 and described diode D4 respectively with DTR pin; The negative pole of described diode D3 and described diode D4 is connected to described three-terminal voltage-stabilizing circuit U 2; After described filter capacitor C2 is in parallel with described three-terminal voltage-stabilizing circuit U 2, be connected to the Vcc end of described processor.
The present invention also provides a kind of using method of RS232 interface special photoelectric wire mouse, comprises the following steps:
S1, is inserted into the RS232 interface of described photoelectricity wire mouse on the RS232 interface of computer;
S2, described computer expert crosses described RS232 interface and powers to described photoelectricity wire mouse; And, between described computer and described photoelectricity wire mouse, carry out data communication by described RS232 interface.
In this step, between computer and photoelectricity wire mouse, carry out data communication by RS232 interface and be specially:
S21, described processor comprises flip flop equipment response unit, mouse position capture unit and RS232 conversion unit of protocol;
Described processor receives by described flip flop equipment response unit the triggering command that described mouse performance pattern flip flop equipment sends;
And described processor captures the positional information of described optical mouse by described mouse position capture unit; Be specially:
Described optical mouse is placed on supporting surface, when described optical mouse is on described supporting surface in moving process, described luminescent device is constantly to described photosensitive window emission of light, this light is irradiated on described supporting surface, through described supporting surface reflection, produce the reflection ray that carries supporting surface topography; This reflection ray focuses on described optical lens;
The light that described optical sensor focuses on optical lens described in certain frequency collection, extracts its entrained supporting surface topography, obtains multiple supporting surface topography sequences of arranging according to time sequencing; Then described supporting surface topography sequence is sent to the mouse position capture unit of described processor;
Described mouse position capture unit is analyzed the described supporting surface topography sequence receiving, and the difference of more each Zhang Suoshu supporting surface topography, obtains the mobile displacement of Genius mouse, and then obtain the positional information of Genius mouse.
S22, described processor, by described triggering command and described positional information are analyzed, generates the steering order to computer cursor; Then by described RS232 conversion unit of protocol, described steering order is converted to the RS232 steering order of the discernible RS232 of the meeting communication protocol of computer operating system; Wherein, described RS232 steering order is logic level;
S23, described RS232 steering order is sent to described RS232 agreement level shifting circuit by described processor;
S24, described RS232 agreement level shifting circuit is the control information that meets RS232 level by the logic level transition of described RS232 steering order;
S25, described RS232 agreement level shifting circuit sends to computer by described control information by RS232 interface.
In addition, in use, there is the serious problem of power consumption in existing optical mouse, that is: if optical mouse and computer expert cross data line be connected after, the light-emitting device of optical mouse is always luminous, thereby has wasted a large amount of energy.For this problem, photoelectricity wire mouse provided by the present invention is also built-in with range sensor; Only have in the time that range sensor senses that optical mouse is gripped by staff, just make computer expert cross RS232 interface to the power supply of photoelectricity wire mouse, make photoelectricity wire mouse in running order, for example: light-emitting device is luminous etc.; Otherwise computer is not powered to photoelectricity wire mouse by RS232 interface, light-emitting device is not luminous, and photoelectricity wire mouse is in dormant state.
In sum, RS232 interface special photoelectric wire mouse provided by the invention and using method thereof, have the following advantages:
(1) in keeping original optical mouse high precision advantage, owing to disposing RS232 interface, effectively improve the anti-electromagnetic interference capability of mouse, can in complicated electromagnetic environment, use, expanded the usable range of mouse; Also be conducive to mouse carrying out surge protection in use;
(2), by mounting distance sensor, the in running order or dormant state of mouse beacon, has saved large energy.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (10)
1. a RS232 interface special photoelectric wire mouse, is characterized in that, comprising: optical mouse, data line and RS232 interface; The A end of described data line is electrically connected with described RS232 interface, and the B end of described data line is electrically connected with described optical mouse.
2. RS232 interface special photoelectric wire mouse according to claim 1, is characterized in that, described data line is shielded cable.
3. RS232 interface special photoelectric wire mouse according to claim 1, it is characterized in that, described optical mouse comprises shell, luminescent device, optical lens, optical sensor, processor, feed circuit, RS232 agreement level shifting circuit and mouse performance pattern flip flop equipment;
Described luminescent device is fixed on the inside of described shell, and its transmitting light path is towards the photosensitive window that is opened in outer casing bottom; On the reflected light path through described photosensitive window reflection, described optical lens is installed; Described mouse performance pattern flip flop equipment is arranged on described shell upper;
The B end of described data line is connected with described processor by described RS232 agreement level shifting circuit; The B end of described data line is also connected with described processor by described feed circuit; Described processor also connects respectively described optical sensor and described mouse performance pattern flip flop equipment.
4. RS232 interface special photoelectric wire mouse according to claim 3, is characterized in that, described luminescent device is light emitting diode; Described mouse performance pattern flip flop equipment is mode conversion switch, left and right press key microswitch, middle key microswitch, roller, push rod or capacitor induction type switch.
5. RS232 interface special photoelectric wire mouse according to claim 3, is characterized in that, described feed circuit comprise: diode D3, diode D4, three-terminal voltage-stabilizing circuit U 2 and filter capacitor C2;
The B end RTS pin of described data line is connected with the positive pole of described diode D3 and described diode D4 respectively with DTR pin; The negative pole of described diode D3 and described diode D4 is connected to described three-terminal voltage-stabilizing circuit U 2; After described filter capacitor C2 is in parallel with described three-terminal voltage-stabilizing circuit U 2, be connected to the Vcc end of described processor.
6. RS232 interface special photoelectric wire mouse according to claim 3, is characterized in that, described shell is the housing with electro-magnetic screen function.
7. a using method for RS232 interface special photoelectric wire mouse described in claim 3, is characterized in that, comprises the following steps:
S1, is inserted into the RS232 interface of described photoelectricity wire mouse on the RS232 interface of computer;
S2, described computer expert crosses described RS232 interface and powers to described photoelectricity wire mouse; And, between described computer and described photoelectricity wire mouse, carry out data communication by described RS232 interface.
8. method according to claim 7, is characterized in that, in S2, carries out data communication be specially between described computer and described photoelectricity wire mouse by described RS232 interface:
S21, described processor comprises flip flop equipment response unit, mouse position capture unit and RS232 conversion unit of protocol;
Described processor receives by described flip flop equipment response unit the triggering command that described mouse performance pattern flip flop equipment sends;
And described processor captures the positional information of described optical mouse by described mouse position capture unit;
S22, described processor, by described triggering command and described positional information are analyzed, generates the steering order to computer cursor; Then by described RS232 conversion unit of protocol, described steering order is converted to the RS232 steering order of the discernible RS232 of the meeting communication protocol of computer operating system; Wherein, described RS232 steering order is logic level;
S23, described RS232 steering order is sent to described RS232 agreement level shifting circuit by described processor;
S24, described RS232 agreement level shifting circuit is the control information that meets RS232 level by the logic level transition of described RS232 steering order;
S25, described RS232 agreement level shifting circuit sends to computer by described control information by RS232 interface.
9. method according to claim 8, is characterized in that, described processor captures the positional information of described optical mouse by described mouse position capture unit, be specially:
Described optical mouse is placed on supporting surface, when described optical mouse is on described supporting surface in moving process, described luminescent device is constantly to described photosensitive window emission of light, this light is irradiated on described supporting surface, through described supporting surface reflection, produce the reflection ray that carries supporting surface topography; This reflection ray focuses on described optical lens;
The light that described optical sensor focuses on optical lens described in certain frequency collection, extracts its entrained supporting surface topography, obtains multiple supporting surface topography sequences of arranging according to time sequencing; Then described supporting surface topography sequence is sent to the mouse position capture unit of described processor;
Described mouse position capture unit is analyzed the described supporting surface topography sequence receiving, and the difference of more each Zhang Suoshu supporting surface topography, obtains the mobile displacement of Genius mouse, and then obtain the positional information of Genius mouse.
10. method according to claim 7, is characterized in that, described photoelectricity wire mouse is also built-in with range sensor;
Only have in the time that described range sensor senses that described optical mouse is gripped by staff, just make described computer expert cross described RS232 interface and power to described photoelectricity wire mouse, make described photoelectricity wire mouse in running order; Otherwise described computer is not powered to described photoelectricity wire mouse by described RS232 interface, described photoelectricity wire mouse is in dormant state.
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| CN201410093106.0A CN103838402B (en) | 2014-03-13 | 2014-03-13 | RS232 interface special photoelectric wire mouse and using method thereof |
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| CN201410093106.0A CN103838402B (en) | 2014-03-13 | 2014-03-13 | RS232 interface special photoelectric wire mouse and using method thereof |
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| CN107943329A (en) * | 2017-12-05 | 2018-04-20 | 柳州市信吉商贸有限责任公司 | Anti-interference computer accessory |
| CN110209449A (en) * | 2019-05-21 | 2019-09-06 | 腾讯科技（深圳）有限公司 | Cursor positioning method and device in a kind of game |
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| CN103838402B (en) | 2016-08-24 |
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