CN107992442A - It is a kind of that prosecutor method is returned based on USB touch - Google Patents
It is a kind of that prosecutor method is returned based on USB touch Download PDFInfo
- Publication number
- CN107992442A CN107992442A CN201711403251.4A CN201711403251A CN107992442A CN 107992442 A CN107992442 A CN 107992442A CN 201711403251 A CN201711403251 A CN 201711403251A CN 107992442 A CN107992442 A CN 107992442A
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- Prior art keywords
- usb
- touch
- return
- control
- method based
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
Prosecutor method is returned based on USB touch the invention discloses a kind of, this method comprises the following steps：101st, touch is obtained；Using the HID interface protocols of standard, hardware interface uses the standard of USB, it is possible to achieve the access of various Touch equipment.102nd, carry out touch and return control, USB slave devices are controlled by Touch equipment.The method that the present invention is realized, identifiable usb signal is changed into by Touch events, control can be carried out back to slave device using Touch equipment, is met the needs of people and is expanded the application of USB interface.
Description
Technical field
The present invention relates to the technical field of communication interface, more particularly to one kind to realize USB device by USB touch events
The method of control.
Background technology
Control of returning based on USB touch is that a kind of main equipment analyzes event by reading USB touch events, main equipment
Process flow, then another slave device is distributed to, so that two slave devices can be controlled at the same time by reaching a touch equipment,
And conveniently handle event.
Typical application is combined together with HDMI IN input sources, one HDMI IN interface of main equipment band and USB
Device interfaces, so as to show and control the slave device of access.
USB equipment is to use most wide interface equipment at present, versatile.But there is presently no will by USB interface
Touch events change into identifiable usb signal, are controlled the slave device that USB interface is connected.
As patent application 201710247096.5 discloses audio-visual education programme a kind of energy-efficient and with higher using experience degree
All-in-one machine, including aluminium alloy frame body and cover-plate glass；The aluminium alloy frame body back side is provided with iron-clad rear cover, and in aluminium alloy frame body
Front sets control button and preposition key computer switch button and preposition key TV switch key；Further include and be arranged at framework
Positive infrared sensor；Framework two bottom sides offer loudspeaker sound emitting hole respectively, and control button and preposition key computer are opened
Close button and preposition key TV switch key are arranged between two loudspeaker sound emitting holes；Framework left side top offers HDMI and connects
Mouthful, TOUCH-USB interfaces and network connection interface, framework left side lower part offer PC-USB interfaces, TV-USB interfaces and
VGA audio interface；The supporting rack being provided with for connecting external object is covered after the iron-clad of the framework back side, the design can save energy
Source, energy conservation and environmental protection, while service life of a machine can also be extended, it is user-friendly, the design is simple in structure, easy to use, Ke Yida
To good using effect.
However, patent application TOUCH-USB interfaces are the USB interfaces for iPhone Touch, it is still using USB
Interface realizes the triggering and processing of event, Touch events can not be changed into identifiable usb signal, for this reason, there is an urgent need to one
Kind solution, to meet the needs of people, and expands the application of USB interface.
The content of the invention
For shortcoming present in above-mentioned technology, the present invention provides a kind of time prosecutor method based on USB touch, should
Touch events can be changed into identifiable usb signal by method, met the needs of people and expanded the application of USB interface.
Prosecutor method is returned based on USB touch it is a further object to provide a kind of, this method is using standard
HID device realization, energy compatible various device systems, such as ISO, window, linux, android etc. well, and be to exempt from
Drive, it is easy to accomplish.
To achieve the above object, the present invention is realized in.
It is a kind of that prosecutor method is returned based on USB touch, it is characterised in that this method comprises the following steps：
101st, touch is obtained；
Using the HID interface protocols of standard, hardware interface uses the standard of USB, it is possible to achieve the access of various Touch equipment.
102nd, carry out touch and return control, USB slave devices are controlled by Touch equipment.
The touch returns control and has specifically included the following steps：
1021st, virtual USB HID device；
Further, the USB port for initializing slave device first is the PID and VIDE of device mouthfuls of USB, then write device, is write
The descriptor of equipment, using the HID device descriptor of standard, supports Touch functions.At this time, it is already possible to pass through device node
Write control word.
1022nd, virtual USB HID device is controlled.
Specifically, include the following steps：
10221st, the Touch values of Touch equipment USB nodes are read；
10222nd, the coordinate of Touch is got；
10223rd, judge that coordinate points are the display interfaces of USB node devices, or Android primary display interface；
10224th, if the display interface of USB node devices, then control slave device is returned；If Android primary display interface, then
Give Android system processing.
Control slave device is decided whether to back again.If returning control slave device, control flow at this time is as follows：
Further, if to carry out back control slave device, control flow at this time is as follows：
201：The device node of open slave devices USB；
202：Write returns control numerical value；
203：Flush returns control numerical value；
204：release；
205：The device node of close slave devices USB.
The method that the present invention is realized, changes into identifiable usb signal by Touch events, can utilize Touch equipment pair
Slave device carries out back control, meets the needs of people and expands the application of USB interface.
And this method realizes simplicity, easily operated, cost of implementation is low.
Brief description of the drawings
Fig. 1 is the structure diagram that the present invention is realized.
Fig. 2 is a kind of schematic diagram for concrete application that the present invention connects computer with TV.
Embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Refering to Figure 1, prosecutor method, shown in figure, main control device are returned based on USB touch to be provided by the invention
It is connected with Touch equipment by 1 interfaces of USB, is connected by 2 interfaces of USB with slave device, in the concrete realization, this method bag
Include following steps：
101st, touch is obtained；
Using the HID interface protocols of standard, hardware interface uses the standard of USB, it is possible to achieve the access of various Touch equipment.
102nd, carry out touch and return control.
The touch returns control and has specifically included the following steps：
1021st, virtual USB HID device；
The mouth for initializing the USB 2 of slave device first is the PID and VIDE of device mouthfuls of USB, then write device, and write-in is set
Standby descriptor, using the HID device descriptor of standard, supports Touch functions.At this time, it is already possible to write by device node
Enter control word.
1022nd, virtual USB HID device is controlled.
Specifically, the Touch values of 1 nodes of Touch equipment USB are read, application processing can be given, then decide whether to back
Control slave device.
Include the following steps：
10221st, the Touch values of Touch equipment USB nodes are read；
10222nd, the coordinate of Touch is got；
10223rd, judge that coordinate points are the display interfaces of USB node devices, or Android primary display interface；
10224th, if the display interface of USB node devices, then control slave device is returned；If Android primary display interface, then
Give Android system processing.
If carrying out back control slave device, control flow at this time is as follows：
201：The device node of open slave devices USB；
202：Write returns control numerical value；
203：Flush returns control numerical value；
204：release；
205：The device node of close slave devices USB.
With reference to shown in Fig. 2, the method realized of the present invention, is mainly used for after display device large-size screen monitors shows, by processing greatly
Event can be fed back to display device after screen event, for example computer is connected to main equipment by HDMI wire, then projected tactile
Touch TV.TV is touched as Touch equipment, main control device is connected to by USB interface；Computer is connect as slave device by HDMI
Mouth is connected to main control device, passes through the computer display picture for handling and touching on TV, it is possible to control computer.Equivalent to by computer
Operate after screen magnifying, be of great importance in meeting, education, display field again.
Therefore, the method realized, identifiable usb signal is changed into by Touch events, can utilize Touch equipment pair
Slave device carries out back control, meets the needs of people and expands the application of USB interface.
And this method realizes simplicity, easily operated, cost of implementation is low.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (6)
1. a kind of return prosecutor method based on USB touch, it is characterised in that this method comprises the following steps：
101st, touch is obtained；
Using the HID interface protocols of standard, hardware interface uses the standard of USB, it is possible to achieve the access of various Touch equipment；
102nd, carry out touch and return control, USB slave devices are controlled by Touch equipment.
2. according to claim 1 return prosecutor method based on USB touch, it is characterised in that the touch returns control tool
Body includes the following steps：
1021st, virtual USB HID device；
1022nd, virtual USB HID device is controlled.
3. according to claim 2 return prosecutor method based on USB touch, it is characterised in that 1021 steps
In, the USB port for initializing slave device first is the PID and VIDE of device mouthfuls of USB, then write device, and write device is retouched
Symbol is stated, using the HID device descriptor of standard, supports Touch functions.
4. according to claim 2 return prosecutor method based on USB touch, it is characterised in that in 1022 step, reads
The Touch values of Touch equipment USB nodes are taken, are handled to application, then decide whether to back control slave device.
5. according to claim 4 return prosecutor method based on USB touch, it is characterised in that in 1022 step, bag
Include following steps：
10221st, the Touch values of Touch equipment USB nodes are read；
10222nd, the coordinate of Touch is got；
10223rd, judge that coordinate points are the display interfaces of USB node devices, or Android primary display interface；
10224th, if the display interface of USB node devices, then control slave device is returned；If Android primary display interface, then
Give Android system processing.
6. according to claim 2 return prosecutor method based on USB touch, it is characterised in that if to return control slave device,
Control flow at this time is as follows：
201：The device node of open slave devices USB；
202：Write returns control numerical value；
203：Flush returns control numerical value；
204：release；
205：The device node of close slave devices USB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403251.4A CN107992442A (en) | 2017-12-22 | 2017-12-22 | It is a kind of that prosecutor method is returned based on USB touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403251.4A CN107992442A (en) | 2017-12-22 | 2017-12-22 | It is a kind of that prosecutor method is returned based on USB touch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107992442A true CN107992442A (en) | 2018-05-04 |
Family
ID=62039560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403251.4A Pending CN107992442A (en) | 2017-12-22 | 2017-12-22 | It is a kind of that prosecutor method is returned based on USB touch |
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| Country | Link |
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| CN (1) | CN107992442A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225292A (en) * | 2019-06-13 | 2019-09-10 | 深圳市闪联信息技术有限公司 | A kind of conference control equipment and its exchange method based on two separate display |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382856A (en) * | 2008-09-24 | 2009-03-11 | 广东威创视讯科技股份有限公司 | Apparatus and method for implementing USB HID MOUSE function on touching device |
| CN102314287A (en) * | 2010-07-05 | 2012-01-11 | 宏碁股份有限公司 | Interactive display system and method |
| CN102880284A (en) * | 2011-04-06 | 2013-01-16 | 捷讯研究有限公司 | Remote user input |
| CN104679148A (en) * | 2015-03-21 | 2015-06-03 | 张本军 | Portable display control terminal equipment based on MHL (mobile high-definition link) technology |
| US20150234575A1 (en) * | 2014-02-18 | 2015-08-20 | Hyundai Motor Company | System and method for controlling smart device mirroring of head unit for vehicle |
-
2017
- 2017-12-22 CN CN201711403251.4A patent/CN107992442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382856A (en) * | 2008-09-24 | 2009-03-11 | 广东威创视讯科技股份有限公司 | Apparatus and method for implementing USB HID MOUSE function on touching device |
| CN102314287A (en) * | 2010-07-05 | 2012-01-11 | 宏碁股份有限公司 | Interactive display system and method |
| CN102880284A (en) * | 2011-04-06 | 2013-01-16 | 捷讯研究有限公司 | Remote user input |
| US20150234575A1 (en) * | 2014-02-18 | 2015-08-20 | Hyundai Motor Company | System and method for controlling smart device mirroring of head unit for vehicle |
| CN104679148A (en) * | 2015-03-21 | 2015-06-03 | 张本军 | Portable display control terminal equipment based on MHL (mobile high-definition link) technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110225292A (en) * | 2019-06-13 | 2019-09-10 | 深圳市闪联信息技术有限公司 | A kind of conference control equipment and its exchange method based on two separate display |
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