CN113242536B - Bluetooth communication method and Bluetooth handwriting communication system - Google Patents
Bluetooth communication method and Bluetooth handwriting communication system Download PDFInfo
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- CN113242536B CN113242536B CN202110398339.1A CN202110398339A CN113242536B CN 113242536 B CN113242536 B CN 113242536B CN 202110398339 A CN202110398339 A CN 202110398339A CN 113242536 B CN113242536 B CN 113242536B
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- bluetooth
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- 238000004891 communication Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000003993 interaction Effects 0.000 description 3
- 241001422033 Thestylus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- 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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a Bluetooth communication method, which comprises the following steps: the Bluetooth host is connected with the Bluetooth slave; the Bluetooth slave is in an HID mode, generates operation data and sends the operation data in an HID format to the Bluetooth host; the driver program installed on the Bluetooth host acquires the product parameters of the Bluetooth slave and switches the Bluetooth slave from the HID mode to the transparent transmission mode; the driver acquires the product model of the Bluetooth slave, and the Bluetooth slave sends the operation data in a transparent transmission format to the driver. The Bluetooth communication method is suitable for various operating systems, has good compatibility and can realize the function of the Bluetooth slave machine more perfectly. The invention also provides a Bluetooth handwriting communication system.
Description
[ field of technology ]
The present invention relates to the field of computer peripheral devices, and in particular, to a bluetooth communication method and a bluetooth handwriting communication system.
[ background Art ]
The handwriting board is also called a hand drawing board, is one of input devices, performs information interaction with an upper computer, performs information interaction through wired connection between the handwriting board and the upper computer in the first prior art, and performs wireless connection between the handwriting board and the upper computer in the second prior art, wherein the wireless connection comprises Bluetooth connection, and the handwriting board is more convenient to use in a Bluetooth connection mode.
The Bluetooth data transmission mode comprises an HID mode and a transparent transmission mode, and basic functions of the handwriting board, such as functions of positioning, pressure, erasing, different brushes and the like, can be realized through the HID mode. Through the transmission mode, the expansion function of the handwriting board can be realized, such as multi-screen support, shortcut key function customization, pen pressure adjustment, working area scaling and the like. The operating system of the prior art host computer includes windows, macOS, android and iOS, and only iOS does not support transmission of handwriting data as shown in the following table.
Operating system | HID mode | Transparent transmission mode |
windows | Support for | Support for |
macOS | Support but is imperfect | Support for |
Android | Support for | Support for |
iOS | Not supporting transmission of handwritten data | Support for |
In addition, different operating system mechanisms and use scenes are different, so that the function of the handwriting board is realized more perfectly, meanwhile, the data transmission of an HID mode and a transparent transmission mode is supported, different processing needs to be carried out aiming at different systems in the prior art, and the compatibility is poor.
Therefore, it is necessary to provide a new bluetooth communication method to solve the above-mentioned technical problem of poor compatibility.
[ invention ]
In order to solve the technical problem of poor meter compatibility, the invention provides a Bluetooth communication method with good compatibility. The invention also provides a Bluetooth handwriting communication system.
A bluetooth communication method, comprising the steps of:
the Bluetooth host is connected with the Bluetooth slave;
the Bluetooth slave is in an HID mode, generates operation data and sends the operation data in an HID format to the Bluetooth host;
the driver program installed on the Bluetooth host acquires the product parameters of the Bluetooth slave and switches the Bluetooth slave from the HID mode to the transparent transmission mode;
the driver acquires the product model of the Bluetooth slave, and the Bluetooth slave sends the operation data in a transparent transmission format to the driver.
Preferably, the transparent transmission format is a packet header, a function code, operation data and a check code, wherein the packet header is an access address, the function code is used for describing the content of the operation data, and the check code is used for ensuring that the transmitted data is valid data.
Preferably, when the bluetooth slave is in the transparent mode, the driver sends a command for switching to an HID mode to the bluetooth slave, and the bluetooth slave switches from the transparent mode to the HID mode.
Preferably, the driver program obtaining the product parameters of the bluetooth slave machine includes the following steps:
the driver program sends an instruction for acquiring product parameters to the Bluetooth slave;
and the Bluetooth slave receives the instruction for acquiring the product parameters and returns the product parameters to the driver.
Preferably, the driver program obtaining the product model of the bluetooth slave machine includes the following steps:
the driver program sends a product model obtaining instruction to the Bluetooth slave;
and the Bluetooth slave receives the instruction for obtaining the product model and returns the product model to the driver.
Preferably, the formats of the command obtaining product parameter command, the command obtaining product model command and the command switching to the HID mode command sent by the driver to the bluetooth slave are "command flag+command index number+command parameter".
A bluetooth handwriting communication system adopting the bluetooth communication method, characterized in that the bluetooth handwriting communication system comprises:
the Bluetooth handwriting board generates operation data, including the HID mode and the transparent transmission mode;
the host is connected with the Bluetooth handwriting board Bluetooth and receives the HID format operation data sent by the Bluetooth handwriting board;
and the driving program is installed on the host computer, acquires the product parameters of the Bluetooth handwriting board, switches the Bluetooth handwriting board into the transparent transmission mode, acquires the product model of the Bluetooth handwriting board, and receives the operation data in the transparent transmission format sent by the Bluetooth handwriting board.
Preferably, the bluetooth handwriting board comprises a first operation member and a handwriting area, when the bluetooth handwriting board is in the HID mode, the operation data generated by the first operation member and the handwriting area are sent to the host computer in the HID format, and when the bluetooth handwriting board is in the transparent mode, the operation data generated by the first operation member and the handwriting area are sent to the driver in the transparent format.
Preferably, the bluetooth tablet includes a second operation member, and when the bluetooth tablet is in the HID mode or the transparent mode, the operation data generated by the second operation member are all sent to the host in the HID format.
Preferably, the first operating member and the second operating member are one or more of a button, a knob and a rocker.
Compared with the prior art, the Bluetooth communication method provided by the invention has the advantages that the driver controls the Bluetooth slave to switch between the HID mode and the transparent transmission mode, the Bluetooth communication method is suitable for various operating systems, the compatibility is good, and the function of the Bluetooth slave is realized more perfectly.
[ description of the drawings ]
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a flow chart of a Bluetooth communication method according to the present invention;
fig. 2 is a schematic diagram of a bluetooth communication system according to the present invention.
[ detailed description ] of the invention
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a flowchart of a bluetooth communication method according to the present invention includes the following steps:
s01, a Bluetooth host is connected with a Bluetooth slave in a Bluetooth manner;
s02, the Bluetooth slave is in an HID mode, generates operation data and sends the operation data in an HID format to the Bluetooth host;
s03, a driver program installed on the Bluetooth host acquires product parameters of the Bluetooth slave and switches the Bluetooth slave from the HID mode to a transparent transmission mode;
s04, the driver acquires the product model of the Bluetooth slave, and the Bluetooth slave sends the operation data in a transparent transmission format to the driver;
s05, the driver program sends an instruction of switching to an HID mode to the Bluetooth slave machine, and the Bluetooth slave machine switches to the HID mode from the transmission mode;
s06, the Bluetooth host disconnects the Bluetooth connection with the Bluetooth slave.
The bluetooth slave can be switched between the HID mode and the transparent mode through the driver at any time as required, that is, after the step S05 is completed, the steps S03 to S04 can be repeated again.
In addition, the Bluetooth host may disconnect Bluetooth connection with the Bluetooth slave regardless of whether the Bluetooth slave is in the HID mode or the pass-through mode.
The transparent transmission format is a packet header, a function code, operation data and a check code, wherein the packet header is an access address, the function code is used for describing the content of the operation data, and the check code is used for ensuring that the transmitted data is valid data.
The driver program obtaining the product parameters of the Bluetooth slave comprises the following steps:
s031, the driver program sends a command for acquiring product parameters to the Bluetooth slave;
s032, the Bluetooth slave receives the command for acquiring the product parameters, returns the product parameters to the driver, and simultaneously switches to the transparent transmission mode.
The driver program obtaining the product model of the Bluetooth slave comprises the following steps:
s041, the driver program sends a product model obtaining instruction to the Bluetooth slave machine;
s042, the Bluetooth slave receives the instruction for obtaining the product model, and returns the product model to the driver.
The formats of the command obtaining product parameter command, the command obtaining product model command and the command switching to the HID mode command sent by the driver to the Bluetooth slave are command mark, command index number and command parameter.
Referring to fig. 2 in combination, fig. 2 is a schematic diagram of a bluetooth communication system according to the present invention. The bluetooth communication method is used in the bluetooth communication system 10, the bluetooth handwriting communication system 10 includes a bluetooth handwriting board 11, a host 13, a driver (not shown) and a handwriting pen 15, the driver is installed on the host 13, the bluetooth handwriting board 11 is used as the bluetooth slave, and the host 13 is used as the bluetooth host, and performs information interaction through bluetooth connection. The stylus 15 writes on the bluetooth tablet 11.
In this embodiment, the host 13 is a computer of a windows operating system, and in other embodiments, the host 13 may be a mobile phone of an Android operating system, a mobile phone of an iOS operating system, a computer of a macOS operating system, or the like.
The bluetooth tablet 11 includes a first operating member 111, a second operating member 113, and a handwriting area 115. The first operating element 111 and the second operating element 113 are one or more of a button, a knob, and a rocker. In this embodiment, the first operating member 111 is a knob, and the second operating member 113 is a key. Operating the first operation member 111, operating the second operation member 113, or the stylus 15 generates operation data when writing in the handwriting area 115.
The bluetooth tablet 11 includes the HID mode and the transparent mode. When the bluetooth tablet 11 is in the HID mode, the operation data generated by the first operation element 111, the second operation element 113 and the handwriting area 115 are all sent to the host 13 in the HID format; when the bluetooth tablet 11 is in the transparent mode, the operation data generated by the second operation member 113 is sent to the host 13 in the HID format, and the operation data generated by the first operation member 111 and the handwriting area 115 is sent to the driver in the transparent format.
Of course, if the operating system of the host 13 is iOS, the operation data generated in the handwriting area 115 is not received and transmitted in the HID format, and only the operation data generated in the handwriting area 115 is received and transmitted in the transparent format.
In this embodiment, the operation data in the transparent transmission format is 14 bytes, as shown in the following table:
0,1 | 2 | 3~12 | 13 |
packet head | Function code | Operational data | Check code |
2 bytes | 1 byte | 10 bytes | 1 byte |
Of course, in other embodiments, the transport format length and byte allocation may be in other arrangements.
In this embodiment, the header is fixed beginning with 0xaa,0xbb, the checksum is the sum checksum, and the sum of bytes 2-12 takes the lower 8 bits as the sum checksum.
Of course, in other embodiments, the packet header and the check code may be in other arrangements.
The bluetooth handwriting system 10 performs bluetooth communication, and includes the following steps:
s01, broadcasting by the Bluetooth handwriting board 11;
s02, the host 13 searches the Bluetooth handwriting board 11 and initiates a Bluetooth connection request;
s03, the Bluetooth handwriting board 11 receives a Bluetooth connection request and is connected with the host 13 in a Bluetooth mode.
S04, when the Bluetooth handwriting board 11 is in the HID mode, sending operation data in the HID format to the host 13;
s05, the driver program sends a command for acquiring product parameters to the Bluetooth handwriting board 11;
s06, the Bluetooth handwriting board 11 receives the instruction for acquiring the product parameters, returns the product parameters to the driving program, and simultaneously switches to the transparent transmission mode;
s07, the driver program sends a product model obtaining instruction to the Bluetooth handwriting board 11;
s08, the Bluetooth handwriting board 11 receives the instruction for obtaining the product model, and returns the product model to the driver;
s09, the Bluetooth handwriting board 11 sends the operation data in the transparent transmission format to the driver;
s10, the driver program sends an instruction of switching to an HID mode to the Bluetooth handwriting board 11, and the Bluetooth handwriting board 11 switches from the transmission mode to the HID mode;
s11, the host 13 disconnects the Bluetooth connection with the Bluetooth handwriting board 11.
In the using process, the user can switch the bluetooth handwriting board 11 between the HID mode and the transparent mode at any time as required, that is, after S10 is completed, S05 to S09 can be repeated again.
In addition, the host 13 can disconnect bluetooth from the bluetooth tablet 11 according to the requirement, regardless of whether the bluetooth tablet 11 is in the HID mode or the transparent mode.
Compared with the prior art, the Bluetooth communication method provided by the invention has the advantages that the driver controls the Bluetooth slave to switch between the HID mode and the transparent transmission mode, the Bluetooth communication method is suitable for various operating systems, the compatibility is good, and the function of the Bluetooth slave is realized more perfectly.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. A bluetooth communication method, comprising the steps of:
the Bluetooth host is connected with the Bluetooth slave;
the Bluetooth slave is in an HID mode, generates operation data and sends the operation data in an HID format to the Bluetooth host;
the driver program installed on the Bluetooth host acquires the product parameters of the Bluetooth slave and switches the Bluetooth slave from the HID mode to the transparent transmission mode;
the driver acquires the product model of the Bluetooth slave, and the Bluetooth slave sends the operation data in a transparent transmission format to the driver;
and the driver program sends an instruction of switching to the HID mode to the Bluetooth slave, and the Bluetooth slave switches from the transparent transmission mode to the HID mode.
2. The bluetooth communication method according to claim 1, wherein the transparent transmission format is "packet header+function code+operation data+check code", the packet header is an access address, the function code is used for describing the content of the operation data, and the check code is used for ensuring that the transmitted data is valid data.
3. The bluetooth communication method according to claim 1, wherein the driver acquiring the product parameters of the bluetooth slave comprises the steps of:
the driver program sends an instruction for acquiring product parameters to the Bluetooth slave;
and the Bluetooth slave receives the command for acquiring the product parameters, returns the product parameters to the driving program, and simultaneously switches to the transparent transmission mode.
4. A bluetooth communication method according to claim 3, wherein the driver acquiring the product model of the bluetooth slave comprises the steps of:
the driver program sends a product model obtaining instruction to the Bluetooth slave;
and the Bluetooth slave receives the instruction for obtaining the product model and returns the product model to the driver.
5. The method of claim 4, wherein the command to acquire product parameters, the command to acquire product model, and the command to switch to HID mode are in the format of "command flag+command index+command parameter" from the driver.
6. A bluetooth handwriting communication system employing the bluetooth communication method according to any of claims 1-5, wherein the bluetooth handwriting communication system comprises:
the Bluetooth handwriting board generates operation data, including the HID mode and the transparent transmission mode;
the host is connected with the Bluetooth handwriting board Bluetooth and receives the HID format operation data sent by the Bluetooth handwriting board;
and the driving program is installed on the host computer, acquires the product parameters of the Bluetooth handwriting board, switches the Bluetooth handwriting board into the transparent transmission mode, acquires the product model of the Bluetooth handwriting board, and receives the operation data in the transparent transmission format sent by the Bluetooth handwriting board.
7. The bluetooth handwriting communication system according to claim 6 wherein the bluetooth handwriting pad comprises a first operation member and a handwriting area, wherein the operation data generated by the first operation member and the handwriting area are transmitted to the host in the HID format when the bluetooth handwriting pad is in the HID mode, and wherein the operation data generated by the first operation member and the handwriting area are transmitted to the driver in the transparent format when the bluetooth handwriting pad is in the transparent mode.
8. The bluetooth handwriting communication system according to claim 7 wherein the bluetooth handwriting pad comprises a second operation member, and wherein the operation data generated by the second operation member is transmitted to the host in the HID format when the bluetooth handwriting pad is in the HID mode or the transparent mode.
9. The bluetooth handwriting communication system according to claim 8 wherein the first and second operating members are one or more of a key, a knob and a rocker.
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CN113242536B true CN113242536B (en) | 2023-07-28 |
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Citations (4)
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WO2011022965A1 (en) * | 2009-08-27 | 2011-03-03 | 中兴通讯股份有限公司 | Bluetooth function providing method and terminal for computer |
CN202976058U (en) * | 2012-10-25 | 2013-06-05 | 张巍巍 | Bluetooth wireless game controller |
CN110049475A (en) * | 2019-04-22 | 2019-07-23 | 广定科技(上海)有限公司 | A kind of man-machine interaction method and system of electronic ruler |
CN112114683A (en) * | 2020-08-07 | 2020-12-22 | 西安电子科技大学 | Information input control method, system, device, keyboard and intelligent equipment |
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- 2021-04-14 CN CN202110398339.1A patent/CN113242536B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011022965A1 (en) * | 2009-08-27 | 2011-03-03 | 中兴通讯股份有限公司 | Bluetooth function providing method and terminal for computer |
CN202976058U (en) * | 2012-10-25 | 2013-06-05 | 张巍巍 | Bluetooth wireless game controller |
CN110049475A (en) * | 2019-04-22 | 2019-07-23 | 广定科技(上海)有限公司 | A kind of man-machine interaction method and system of electronic ruler |
CN112114683A (en) * | 2020-08-07 | 2020-12-22 | 西安电子科技大学 | Information input control method, system, device, keyboard and intelligent equipment |
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Address after: 518108 1st Floor, Building 1, Huiwang Science and Technology Park, Shiyan Street, Tangtou Community, Shiyan Street, Baoan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Huewang Trend Technology Co.,Ltd. Address before: 518103 building 28, area 4, Huaide Cuigang Industrial Park, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN HUION ANIMATION TECHNOLOGY Co.,Ltd. |