CN104284025A - Mobile terminal Bluetooth accessory and automatic pairing method thereof - Google Patents
Mobile terminal Bluetooth accessory and automatic pairing method thereof Download PDFInfo
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- CN104284025A CN104284025A CN201410520116.8A CN201410520116A CN104284025A CN 104284025 A CN104284025 A CN 104284025A CN 201410520116 A CN201410520116 A CN 201410520116A CN 104284025 A CN104284025 A CN 104284025A
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Abstract
The invention discloses a mobile terminal Bluetooth accessory and an automatic pairing method thereof. A power module, a Bluetooth module, a power amplifier module and a USB HOST controller are arranged on the Bluetooth accessory. A USB interface is used as a command transmission channel, and a Bluetooth wireless interface is used as a music data transmission channel, so that the charging function, the loudspeaker box function, the communication function and the automatic pairing function of the Bluetooth accessory are achieved. When the user uses a mobile terminal, the mobile terminal can be charged only by being connected to the Bluetooth accessory; if the mobile terminal plays music, the music can be automatically switched to be output to the Bluetooth accessory, the manual wireless connection process is not needed completely, and the user experience is greatly improved.
Description
Technical field
The present invention relates to a kind of Mobile terminal accessory, particularly relate to a kind of mobile terminal Bluetooth accessory, and the automatic matching method between this Bluetooth accessory and mobile terminal.
Background technology
Along with the development of technology, mobile terminal becomes the control centre of various equipment at leisure, can control increasing equipment.Having the equipment charging and play the such function of the music be stored in mobile terminal to mobile terminal also has much, and the scheme that these equipment adopts is seat charging mostly, the music of wired connection or blue teeth wireless music.This scheme has and there is such inconvenience: during wired connection, and such equipment moving is just very inconvenient; Even if when adopting blue teeth wireless music, when this device first to be connected with mobile terminal use time, first to carry out Bluetooth pairing connection, could music be play; When particularly mobile phone can search multiple Bluetooth audio equipment, also need to select to confirm that just can complete pairing connects, the operating procedure of these complexity is for still slightly inconvenience many users, and experience is just poor.
Summary of the invention
The present invention, for solving the problem, provides a kind of mobile terminal Bluetooth accessory, and it can not only realize seat and fill function, acoustic function, and can realize the full-automatic Bluetooth pairing function of accessory and mobile terminal.
For achieving the above object, the technical solution used in the present invention is:
A kind of mobile terminal Bluetooth accessory, it is characterized in that, it comprises:
Power module, provides power supply for described accessory and with the mobile terminal that this accessory matches;
Bluetooth module, the audio signal that mobile terminal receive wirelessly sends, and be decoded into audio analog signals;
Power amplifier module, carries out amplification process by audio analog signals, and exports the audio analog signals after amplifying by audio interface;
USB HOST controller, it realizes the communication between accessory and mobile terminal by USB interface, and provides the power supply needed for charging for mobile terminal.
Preferably, described USB HOST controller realizes the communication between accessory and mobile terminal by USB interface, mainly mobile terminal sends instruction to read the Bluetooth MAC address of this accessory by USB interface to accessory, and mobile terminal carries out automatic matching according to the Bluetooth MAC address of this accessory and this accessory.
Preferably, described accessory also comprises microcontroller, is controlled by the broadcasting of this microcontroller to the communication of USB HOST controller, the charging of power module, the reception of the audio signal of bluetooth module and the audio analog signals of power amplifier module.
In addition, present invention also offers the automatic matching method of above-mentioned Bluetooth accessory and mobile terminal, it is characterized in that, comprise the following steps:
10. mobile terminal carries out accessory access detection;
If 20. detect that accessory accesses, then judge that this accessory is USB HOST controller further; If so, the USB PID of this accessory is then read.
According to described USB PID, 30. judge whether described accessory comprises bluetooth module; If comprise, then read the Bluetooth MAC address of this accessory;
40. according to the Bluetooth accessory of described accessory Bluetooth MAC address search coupling, and carry out automatic matching and be connected with bluetooth;
The audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology by 50. to be play.
Preferably, in described step 30, mobile terminal opens the bluetooth module of mobile terminal after reading the Bluetooth MAC address of accessory, and receives the Bluetooth MAC address preserving described accessory.
Preferably, with the automatic matching of Bluetooth accessory in described step 40, mainly by judging whether the Bluetooth accessory searched matched, if matched, then directly carried out bluetooth connection; If do not matched, then first matched, then carried out bluetooth connection.
Preferably, in described step 50, the audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology to play, mainly by the audio signal of the bluetooth module mobile terminal receive of described Bluetooth accessory, and be decoded into audio analog signals, then by the power amplifier module of Bluetooth accessory, audio analog signals is carried out amplification process, and carry out music by the audio analog signals after audio interface exports amplification.
The invention has the beneficial effects as follows:
A kind of mobile terminal Bluetooth accessory of the present invention and automatic matching method thereof, it by arranging power module in Bluetooth accessory, bluetooth module, power amplifier module and USB HOST controller, using USB interface as command transfer passage, using bluetooth wireless interface as music data transmissions passage, thus realize the charge function of Bluetooth accessory, function of loudspeaker box, communication function, full-automatic matching function, when user uses, only mobile terminal need be connected to this Bluetooth accessory to charge, if originally mobile terminal playing music, will be outputted on this accessory automatically by music, do not need manual wireless connection procedure completely, significantly improve Consumer's Experience.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of a kind of mobile terminal Bluetooth accessory of the present invention;
Fig. 2 is the general flow chart of the automatic matching method of a kind of mobile terminal Bluetooth accessory of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearly, understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of mobile terminal Bluetooth accessory of the present invention, it comprises:
Power module 100, provides power supply for described accessory and with the mobile terminal that this accessory matches;
Bluetooth module 200, the audio signal that mobile terminal receive wirelessly sends, and be decoded into audio analog signals;
Power amplifier module 300, carries out amplification process by audio analog signals, and exports the audio analog signals after amplifying by audio interface;
USB HOST controller 400, it realizes the communication between accessory and mobile terminal by USB interface, and provides the power supply needed for charging for mobile terminal.
Described USB HOST controller 400 realizes the communication between accessory and mobile terminal by USB interface, mainly mobile terminal sends instruction to read the Bluetooth MAC address of this accessory by USB interface to accessory, and mobile terminal carries out automatic matching according to the Bluetooth MAC address of this accessory and this accessory.
Described accessory also comprises microcontroller (MCU) 500, is controlled by the broadcasting of this microcontroller to the communication of USB HOST controller, the charging of power module, the reception of the audio signal of bluetooth module and the audio analog signals of power amplifier module.
As shown in Figure 2, present invention also offers the automatic matching method of above-mentioned Bluetooth accessory and mobile terminal, it is characterized in that, comprise the following steps:
10. mobile terminal carries out accessory access detection;
If 20. detect that accessory accesses, then judge that this accessory is USB HOST controller further; If so, the USB PID of this accessory is then read.
According to described USB PID, 30. judge whether described accessory comprises bluetooth module; If comprise, then read the Bluetooth MAC address of this accessory;
40. according to the Bluetooth accessory of described accessory Bluetooth MAC address search coupling, and carry out automatic matching and be connected with bluetooth;
The audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology by 50. to be play.
In described step 30, judge whether described accessory comprises bluetooth module according to described USB PID, mainly because all USB device Dou You suppliers ID (VID) and product ID (PID), main frame distinguishes different equipment by different VID and PID, VID and PID is two byte longs, wherein, supplier ID (VID) performs forum by supplier to USB and applies for, the VID of each supplier is unique, PID is decided in its sole discretion by supplier, different products, the different model of like products, the product of the different designs of same model generally adopts different PID, to distinguish the distinct device of identical producer.Further, in described step 30, mobile terminal opens the bluetooth module of mobile terminal after reading the Bluetooth MAC address of accessory, and receives the Bluetooth MAC address preserving described accessory.
With the automatic matching of Bluetooth accessory in described step 40, mainly by judging whether the Bluetooth accessory searched matched, if matched, then directly carried out bluetooth connection; If do not matched, then first matched, then carried out bluetooth connection.
In described step 50, the audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology to play, mainly by the audio signal of the bluetooth module mobile terminal receive of described Bluetooth accessory, and be decoded into audio analog signals, then by the power amplifier module of Bluetooth accessory, audio analog signals is carried out amplification process, and carry out music by the audio analog signals after audio interface exports amplification.
The course of work of mobile terminal and Bluetooth accessory is described respectively below in conjunction with specific embodiment:
The software processing flow of mobile terminal:
1, when mobile terminal has detected that USB accessory accesses, start detection flow process;
2, the USB accessory first judging to access is USB HOST controller, if not, then detection of end flow process; If USB HOST controller, enter next step and continue;
3, the USB PID of accessory is read by USB HOST controller;
4, the USB PID returned according to the 3rd step judges whether seat fills and adds this accessory of Baffle Box of Bluetooth, if not, detection of end flow process; If so, enter next step to continue;
5, send out an order by USB interface to Bluetooth accessory, read the Bluetooth MAC address of Bluetooth accessory:
6, open the bluetooth module of mobile terminal, receive the MAC Address of preserving Bluetooth accessory;
7, the Bluetooth accessory of coupling is searched according to MAC Address, the speed of acceleration search Bluetooth accessory;
8, judge whether the Bluetooth accessory searched matched, if matched, directly carried out bluetooth connection; If do not matched, first matched, then connected;
9, music is put from be outward switched to and play by Bluetooth accessory.
The software processing flow of Bluetooth accessory:
1, when Bluetooth accessory detects that USB accesses, open to the power module of mobile terminal charging, and start bluetooth module.
2, connecting Bluetooth accessory and mobile terminal by USB HOST, is mobile terminal charging;
3, the order that mobile terminal sends is resolved, according to next step operation of command execution;
4, USB PID is sent to mobile terminal by USB interface;
5, wait-receiving mode order again, resolves the order that mobile terminal sends, according to next step operation of command execution;
6, USB interface can be crossed and send MAC Address to mobile terminal;
7, bluetooth module is made to be in searched state;
8, judge whether to need pairing, if do not need pairing, directly connect;
9, by the voice data that blue teeth wireless mobile terminal receive sends, and open power amplifier, carry out music.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.
Claims (7)
1. a mobile terminal Bluetooth accessory, is characterized in that, it comprises:
Power module, provides power supply for described accessory and with the mobile terminal that this accessory matches;
Bluetooth module, the audio signal that mobile terminal receive wirelessly sends, and be decoded into audio analog signals;
Power amplifier module, carries out amplification process by audio analog signals, and exports the audio analog signals after amplifying by audio interface;
USB HOST controller, it realizes the communication between accessory and mobile terminal by USB interface, and provides the power supply needed for charging for mobile terminal.
2. a kind of mobile terminal Bluetooth accessory according to claim 1, it is characterized in that: described USB HOST controller realizes the communication between accessory and mobile terminal by USB interface, mainly mobile terminal sends instruction to read the Bluetooth MAC address of this accessory by USB interface to accessory, and mobile terminal carries out automatic matching according to the Bluetooth MAC address of this accessory and this accessory.
3. a kind of mobile terminal Bluetooth accessory according to claim 1, it is characterized in that: described accessory also comprises microcontroller, controlled by the broadcasting of this microcontroller to the communication of USB HOST controller, the charging of power module, the reception of the audio signal of bluetooth module and the audio analog signals of power amplifier module.
4. an automatic matching method for mobile terminal Bluetooth accessory, is characterized in that, comprise the following steps:
10. mobile terminal carries out accessory access detection;
If 20. detect that accessory accesses, then judge that this accessory is USB HOST controller further; If so, the USB PID of this accessory is then read.
According to described USB PID, 30. judge whether described accessory comprises bluetooth module; If comprise, then read the Bluetooth MAC address of this accessory;
40. according to the Bluetooth accessory of described accessory Bluetooth MAC address search coupling, and carry out automatic matching and be connected with bluetooth;
The audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology by 50. to be play.
5. the automatic matching method of a kind of mobile terminal Bluetooth accessory according to claim 4, it is characterized in that: in described step 30, mobile terminal opens the bluetooth module of mobile terminal after reading the Bluetooth MAC address of accessory, and receives the Bluetooth MAC address preserving described accessory.
6. the automatic matching method of a kind of mobile terminal Bluetooth accessory according to claim 4, it is characterized in that: with the automatic matching of Bluetooth accessory in described step 40, mainly by judging whether the Bluetooth accessory searched matched, if matched, then directly carried out bluetooth connection; If do not matched, then first matched, then carried out bluetooth connection.
7. the automatic matching method of a kind of mobile terminal Bluetooth accessory according to claim 4, it is characterized in that: in described step 50, the audio signal of mobile terminal is transferred to described Bluetooth accessory by Bluetooth wireless technology and play, mainly by the audio signal of the bluetooth module mobile terminal receive of described Bluetooth accessory, and be decoded into audio analog signals, then by the power amplifier module of Bluetooth accessory, audio analog signals is carried out amplification process, and carry out music by the audio analog signals after audio interface exports amplification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410520116.8A CN104284025A (en) | 2014-09-30 | 2014-09-30 | Mobile terminal Bluetooth accessory and automatic pairing method thereof |
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| CN201410520116.8A CN104284025A (en) | 2014-09-30 | 2014-09-30 | Mobile terminal Bluetooth accessory and automatic pairing method thereof |
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Cited By (5)
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| CN105872882A (en) * | 2016-04-29 | 2016-08-17 | 乐视控股（北京）有限公司 | Method and terminal for matched connection of Bluetooth earphones and Bluetooth earphones |
| CN108388140A (en) * | 2018-03-13 | 2018-08-10 | 广东欧珀移动通信有限公司 | Control method, apparatus, electronic equipment and the storage medium of smart machine |
| CN109743714A (en) * | 2019-01-07 | 2019-05-10 | 优奈柯恩(北京)科技有限公司 | Device pairing method and device |
| US10841118B2 (en) | 2016-11-09 | 2020-11-17 | Sercomm Corporation | Automatic pairing method and server |
| WO2023051083A1 (en) * | 2021-09-30 | 2023-04-06 | Oppo广东移动通信有限公司 | Audio control method, electronic device, and audio playback system |
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| CN105872882A (en) * | 2016-04-29 | 2016-08-17 | 乐视控股（北京）有限公司 | Method and terminal for matched connection of Bluetooth earphones and Bluetooth earphones |
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