CN110308824A - A kind of processing method, system and the associated component of infrared touch data - Google Patents
A kind of processing method, system and the associated component of infrared touch data Download PDFInfo
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- CN110308824A CN110308824A CN201910599663.2A CN201910599663A CN110308824A CN 110308824 A CN110308824 A CN 110308824A CN 201910599663 A CN201910599663 A CN 201910599663A CN 110308824 A CN110308824 A CN 110308824A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
This application discloses a kind of processing methods of infrared touch data, the processor applied to infrared touch frame, comprising: receive the raw touch data of infrared sensor acquisition；The raw touch data is transmitted to Android mainboard by the first USB interface, obtains touching handwriting data so that the Android mainboard calls algorithms library to handle the raw touch data；The touch handwriting data that the Android mainboard is sent is received by first USB interface；The touch handwriting data is sent to information source system by secondary USB interface, to show touch person's handwriting.The application can be improved the data transmission efficiency of infrared touch frame, reduce the waste of hardware resource in data transmission procedure.Disclosed herein as well is a kind of processing system of infrared touch data, a kind of computer readable storage medium and a kind of electronic whiteboards, have the above beneficial effect.
Description
Technical field
The present invention relates to intelligent touch interaction field, in particular to a kind of processing methods of infrared touch data, system, one
Kind computer readable storage medium and a kind of electronic whiteboard.
Background technique
The mode that the infrared touch frame of electronic whiteboard product based on android system generallys use serial ports+USB transmits number
According to.But also need serial data changing into usb data format by STM32 using serial mode, using the infrared of serial ports transmission
The product cost of touching box is higher, transmission rate it is lower there are Android motherboard resources waste the disadvantages of.Infrared touch frame simultaneously
Using multiprecision arithmetic, STM32 performance can not support multiprecision arithmetic, need to separately add A8 processor and carry out operation, cause
The waste of hardware resource.
Therefore, the data transmission efficiency of infrared touch frame how is improved, the wave of hardware resource in data transmission procedure is reduced
Expense is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
The purpose of the application is to provide the processing method, system, a kind of computer-readable storage of a kind of infrared touch data
Medium and a kind of electronic whiteboard can be improved the data transmission efficiency of infrared touch frame, reduce hardware money in data transmission procedure
The waste in source.
In order to solve the above technical problems, the application provides a kind of processing method of infrared touch data, it is applied to infrared touching
The processor of frame is touched, which includes:
Receive the raw touch data of infrared sensor acquisition；
The raw touch data is transmitted to Android mainboard by the first USB interface, so as to the Android master
Plate calls algorithms library to handle the raw touch data and obtains touching handwriting data；
The touch handwriting data that the Android mainboard is sent is received by first USB interface；
The touch handwriting data is sent to information source system by secondary USB interface, to show touch person's handwriting.
Optionally, the raw touch data is transmitted to Android mainboard by the first USB interface includes:
The raw touch data is transmitted to by the first USB interface by Android using the transmission mode of USB BULK
Mainboard.
Optionally, the raw touch data is transmitted to Android mainboard by the first USB interface includes:
The raw touch data is transmitted to by Android mainboard by the first USB interface by the way of serial ports transmission.
Optionally, the processor is specially the micro-control unit of the infrared touch frame.
Present invention also provides a kind of processing systems of infrared touch data should applied to the processor of infrared touch frame
Processing system includes:
Initial data receiving module, for receiving the raw touch data of infrared sensor acquisition；
Initial data sending module, for the raw touch data to be transmitted to Android master by the first USB interface
Plate obtains touching handwriting data so that the Android mainboard calls algorithms library to handle the raw touch data；
Touch data receiving module, for being received described in the Android mainboard transmission by first USB interface
Touch handwriting data；
Touch data sending module, for the touch handwriting data to be sent to information source system by secondary USB interface,
To show touch person's handwriting.
Optionally, the initial data sending module passes through first particularly for using the transmission mode of USB BULK
The raw touch data is transmitted to the module of Android mainboard by USB interface.
Optionally, the initial data sending module is connect particularly for by the way of serial ports transmission by the first USB
The raw touch data is transmitted to the module of Android mainboard by mouth.
Optionally, the processor is specially the micro-control unit of the infrared touch frame.
Present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer
Program realizes the step of processing method of above-mentioned infrared touch data executes when executing.
Present invention also provides a kind of electronic whiteboard, including memory and processor, calculating is stored in the memory
Machine program, the processor realize the processing method of above-mentioned infrared touch data when calling the computer program in the memory
The step of execution.
This application provides a kind of processing method of infrared touch data, applied to the processor of infrared touch frame, at this
Reason method includes: the raw touch data for receiving infrared sensor acquisition；By the first USB interface by the raw touch data
It is transmitted to Android mainboard, obtains felt pen so that the Android mainboard calls algorithms library to handle the raw touch data
Mark data；The touch handwriting data that the Android mainboard is sent is received by first USB interface；Pass through second
The touch handwriting data is sent to information source system by USB interface, to show touch person's handwriting.
The application using the first USB interface and secondary USB interface transmission or receive data, due to android system for
USB HID input equipment supports free drive, infrared touch frame that can directly communicate, improve with android mainboard by USB interface
Operation efficiency increases processor without additional.The application carries out data interaction by the first USB interface and Android mainboard, leads to
It crosses secondary USB interface and information source system carries out data interaction, can be improved the data transmission efficiency of infrared touch frame, reduce data
The waste of hardware resource in transmission process.The application additionally provides processing system, the Yi Zhongji of a kind of infrared touch data simultaneously
Calculation machine readable storage medium storing program for executing and a kind of electronic whiteboard have above-mentioned beneficial effect, and details are not described herein.
Detailed description of the invention
In ord to more clearly illustrate embodiments of the present application, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, the drawings in the following description are only some examples of the present application, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the processing method of infrared touch data provided by the embodiment of the present application；
Fig. 2 is the processing method schematic diagram of infrared touch data provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of the processing system of infrared touch data provided by the embodiment of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Below referring to Figure 1, Fig. 1 is a kind of stream of the processing method of infrared touch data provided by the embodiment of the present application
Cheng Tu.
Specific steps may include:
S101: the raw touch data of infrared sensor acquisition is received；
Wherein, the present embodiment can be applied to the processor of infrared touch frame, be also provided on infrared touch frame red
Outer sensor, infrared sensor is for acquiring user in the raw touch data of the corresponding writing position of infrared touch frame.It is original
Touch data is the data of USB format.It should be noted that it is correlation that the processor of infrared touch frame, which receives raw touch data,
The means of comparative maturity in technology, herein without repeating.
S102: the raw touch data is transmitted to by Android mainboard by the first USB interface, so as to described
Android mainboard calls algorithms library to handle the raw touch data and obtains touching handwriting data；
Wherein, the processor that the present embodiment is previously mentioned may include two USB interfaces, i.e. the first USB interface and the 2nd USB
Interface.It can use the first USB interface in this step and raw touch data be transmitted to Android mainboard, so as to Android
Mainboard executes corresponding processing to raw touch data.Since android system supports free drive for USB HID input equipment,
Therefore transmitting raw touch data by the first USB interface in this step can be improved the efficiency of transmission of data.
Specifically, raw touch data can be transmitted to Android mainboard by the processor of infrared touch frame in this step
Linux inner core.After touch driving in Linux inner core receives raw touch data, pass through the connection with algorithms library
The identifiable touch data of system is calculated, i.e. touch handwriting data.Driving is touched by touch after obtaining touching handwriting data
Data postback the processor of infrared touch frame.
It should be noted that calling algorithms library processing raw touch data can be with by Android mainboard in the present embodiment
It obtains two-way and touches handwriting data, wherein touching handwriting data all the way is directly reported to android system use, another way is touched
Handwriting data receives the touch handwriting data that Android mainboard is sent by the first USB interface and gives infrared touch frame.Infrared touch
Frame is sent to information source system for handwriting data is touched by secondary USB interface, to show touch person's handwriting.
S103: the touch handwriting data that the Android mainboard is sent is received by first USB interface；
Wherein, the touch handwriting data that Android mainboard is sent, felt pen are received by the first USB in this step
Mark data are the touch data that system can identify, progress of first USB interface between infrared touch frame and Android mainboard
The interface of data transmission.Relative to the scheme that serial data is converted to by STM32 usb data in the related technology, the application
Data are directly transmitted by the first USB interface, improve the efficiency of transmission of data.
S104: the touch handwriting data is sent to by information source system by secondary USB interface, to show felt pen
Mark.
Wherein, the processor of infrared touch frame sends letter by secondary USB interface for the touch handwriting data received
System under source, to carry out relevant touch display.
The present embodiment is using the first USB interface and secondary USB interface transmission or receives data, due to android system pair
Support free drive, infrared touch frame that can directly communicate, improve with android mainboard by USB interface in USB HID input equipment
Operation efficiency increases processor without additional.The present embodiment carries out data friendship by the first USB interface and Android mainboard
Mutually, data interaction is carried out by secondary USB interface and information source system, can be improved the data transmission efficiency of infrared touch frame, dropped
The waste of hardware resource in low data transmission procedure.
As the further supplement for Fig. 1 corresponding embodiment, pass through the first USB interface in S102 for the original touch
The operation that data are transmitted to Android mainboard may include following two transmission mode:
The raw touch data is transmitted to using the transmission mode of USB BULK by the first USB interface by mode one
Android mainboard.
The raw touch data is transmitted to by the way of serial ports transmission by the first USB interface by mode two
Android mainboard.
As the further supplement for Fig. 1 corresponding embodiment, the processor of infrared touch frame is specifically as follows described red
The micro-control unit of outer touching box.
Illustrate the process of above-described embodiment description below by embodiment in practical applications.
Fig. 2 is referred to, Fig. 2 is the processing method schematic diagram of infrared touch data provided by the embodiments of the present application.
Step 1, touching box MCU send linux kernel for initial data by USB1 using USB BULK transmission mode
Layer.
After step 2, Linux touch driving receive data, by the connection with algorithms library, it is identifiable to calculate system
Touch data.
Wherein, the detailed process of step 2 can be with are as follows: touches driving for touch data and is reported to android system.When
When android system touches normal, driving is touched by touch data and postbacks touching box MCU.
The touch data that step 3, touching box MCU will be received, the system being sent to by USB2 under information source.
The operation efficiency of touch data, speed in the above-described embodiments, it is higher, faster.It is also more preferable to touch precision.It can save
Cost does not need STM32 and does data forwarding.The operation that A8 carries out algorithm is not needed simultaneously yet.Touch need to be only loaded in systems
Driving, so that it may realize and touch normally.Software operation is simpler.For the soft-touch control of other information sources, touch penetrates setting more
Add conveniently, client only need to be in Android layers of calling correlation API.
The processing method of above-mentioned infrared touch data can be applied to the large scale electronic whiteboard product of volume production, be applicable to
All touches show equipment.Touching driving can be loaded directly into system.Super large screen touches meeting teaching electronic whiteboard can also be with
Using this software architecture, it can reduce cost, improve efficiency.The present embodiment can also flexibly control information source touching according to customer requirement
It touches switch and touches penetration region, realize that a kind of infrared touch frame realizes the software architecture of Android system adaptation.
Fig. 3 is referred to, Fig. 3 shows for a kind of structure of the processing system of infrared touch data provided by the embodiment of the present application
It is intended to；
The system may include:
Initial data receiving module 100, for receiving the raw touch data of infrared sensor acquisition；
Initial data sending module 200, for being transmitted to the raw touch data by the first USB interface
Android mainboard obtains touching person's handwriting number so that the Android mainboard calls algorithms library to handle the raw touch data
According to；
Touch data receiving module 300, for receiving what the Android mainboard was sent by first USB interface
The touch handwriting data；
Touch data sending module 400, for the touch handwriting data to be sent to information source system by secondary USB interface
System, to show touch person's handwriting.
The present embodiment is using the first USB interface and secondary USB interface transmission or receives data, due to android system pair
Support free drive, infrared touch frame that can directly communicate, improve with android mainboard by USB interface in USB HID input equipment
Operation efficiency increases processor without additional.The present embodiment carries out data friendship by the first USB interface and Android mainboard
Mutually, data interaction is carried out by secondary USB interface and information source system, can be improved the data transmission efficiency of infrared touch frame, dropped
The waste of hardware resource in low data transmission procedure.
Further, the initial data sending module 200 is passed through particularly for using the transmission mode of USB BULK
The raw touch data is transmitted to the module of Android mainboard by the first USB interface.
Further, the initial data sending module 200 passes through first particularly for by the way of serial ports transmission
The raw touch data is transmitted to the module of Android mainboard by USB interface.
Further, the processor is specially the micro-control unit of the infrared touch frame.
Above-described embodiment can be communicated directly by USB with android system, and operation efficiency is improved, and reduce cost.It solves
Without A8 plate, the problem of controlling cost.Above-described embodiment provides simpler, convenient interface.Android application layer can be adjusted directly
With interface, meet client faster, preferably remove control PC soft-touch control, touch penetrates.
Since the embodiment of components of system as directed is corresponded to each other with the embodiment of method part, the embodiment of components of system as directed is asked
Referring to the description of the embodiment of method part, wouldn't repeat here.
Present invention also provides a kind of computer readable storage mediums, have computer program thereon, the computer program
It is performed and step provided by above-described embodiment may be implemented.The storage medium may include: USB flash disk, mobile hard disk, read-only deposit
Reservoir (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or
The various media that can store program code such as CD.
Present invention also provides a kind of electronic equipment, may include memory and processor, have meter in the memory
Calculation machine program may be implemented provided by above-described embodiment when the processor calls the computer program in the memory
Step.Certain electronic equipment can also include various network interfaces, the components such as power supply.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also
Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application
It is interior.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.Under the situation not limited more, the element limited by sentence "including a ..." is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of processing method of infrared touch data, which is characterized in that the processor applied to infrared touch frame, comprising:
Receive the raw touch data of infrared sensor acquisition；
The raw touch data is transmitted to Android mainboard by the first USB interface, so as to the Android mainboard tune
The raw touch data is handled with algorithms library to obtain touching handwriting data；
The touch handwriting data that the Android mainboard is sent is received by first USB interface；
The touch handwriting data is sent to information source system by secondary USB interface, to show touch person's handwriting.
2. processing method according to claim 1, which is characterized in that by the first USB interface by the raw touch data
Being transmitted to Android mainboard includes:
The raw touch data is transmitted to by the first USB interface by Android mainboard using the transmission mode of USB BULK.
3. processing method according to claim 1, which is characterized in that by the first USB interface by the raw touch data
Being transmitted to Android mainboard includes:
The raw touch data is transmitted to by Android mainboard by the first USB interface by the way of serial ports transmission.
4. processing method according to claim 1, which is characterized in that the processor is specially the micro- of the infrared touch frame
Control unit.
5. a kind of processing system of infrared touch data, which is characterized in that the processor applied to infrared touch frame, comprising:
Initial data receiving module, for receiving the raw touch data of infrared sensor acquisition；
Initial data sending module, for the raw touch data to be transmitted to Android mainboard by the first USB interface,
It obtains touching handwriting data so that the Android mainboard calls algorithms library to handle the raw touch data；
Touch data receiving module, for receiving the touch that the Android mainboard is sent by first USB interface
Handwriting data；
Touch data sending module, for the touch handwriting data to be sent to information source system by secondary USB interface, so as to
Display touches person's handwriting.
6. processing system according to claim 5, which is characterized in that the initial data sending module is particularly for use
The raw touch data is transmitted to the module of Android mainboard by the first USB interface by the transmission mode of USB BULK.
7. processing system according to claim 5, which is characterized in that the initial data sending module is particularly for use
The raw touch data is transmitted to the module of Android mainboard by the first USB interface by the mode of serial ports transmission.
8. processing system according to claim 5, which is characterized in that the processor is specially the micro- of the infrared touch frame
Control unit.
9. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the place of the infrared touch data as described in any one of Claims 1-4 when the computer program is executed by processor
The step of reason method.
10. a kind of electronic whiteboard characterized by comprising
Memory, for storing computer program；
Processor, realizing the infrared touch data as described in any one of Claims 1-4 when for executing the computer program
The step of processing method.
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| CN113918038A (en) * | 2020-07-08 | 2022-01-11 | 深圳市天英联合教育股份有限公司 | Data transmission processing circuit and data transmission processing system of infrared touch screen |
| CN111831166A (en) * | 2020-07-10 | 2020-10-27 | 深圳市康冠商用科技有限公司 | Touch area segmentation method and device based on android and Linux, computer equipment and storage medium |
| WO2022222385A1 (en) * | 2021-04-22 | 2022-10-27 | 广州创知科技有限公司 | Touch data processing method and interaction tablet |
| CN113253877A (en) * | 2021-06-23 | 2021-08-13 | 广州朗国电子科技有限公司 | Electronic whiteboard system and control method thereof |
| CN113253877B (en) * | 2021-06-23 | 2022-01-21 | 广州朗国电子科技股份有限公司 | Electronic whiteboard system and control method thereof |
| CN113485583A (en) * | 2021-07-27 | 2021-10-08 | 深圳市康冠商用科技有限公司 | Dual-system split-screen touch data calibration method and system |
| CN113485583B (en) * | 2021-07-27 | 2024-03-19 | 深圳市康冠商用科技有限公司 | Dual-system split-screen touch data calibration method and system |
| CN116225255A (en) * | 2022-12-27 | 2023-06-06 | 深圳市鸿合创新信息技术有限责任公司 | Screen adaptation method, device, equipment, storage medium and program product |
| CN116225255B (en) * | 2022-12-27 | 2025-11-25 | 深圳市鸿合创新信息技术有限责任公司 | Display adaptation methods, devices, equipment, storage media, and software products |
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