CN105635873A - NFC bluetooth earphone and system, and control method thereof - Google Patents
NFC bluetooth earphone and system, and control method thereof Download PDFInfo
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- CN105635873A CN105635873A CN201410607972.7A CN201410607972A CN105635873A CN 105635873 A CN105635873 A CN 105635873A CN 201410607972 A CN201410607972 A CN 201410607972A CN 105635873 A CN105635873 A CN 105635873A
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Abstract
The invention provides an NFC bluetooth earphone and system, and a control method thereof. The NFC bluetooth earphone comprises a bluetooth chip and an NFC chip coupled with the bluetooth chip, wherein the bluetooth chip is suitable to receive a control instruction sent by an intelligent terminal and forward the control instruction to the NFC chip, receive a response signal sent by the NFC chip and forward the response signal to the intelligent terminal, and receive an operation instruction sent by the intelligent terminal and forward the operation instruction to the NFC chip. The NFC chips is suitable to be switched to a corresponding work mode according to the control instrument when receiving the control instrument forwarded by the bluetooth chip, send the response signal to the bluetooth chip, receiving the operation instruction which is from the intelligent terminal and forwarded by the bluetooth chip, and carry out corresponding operation according to the operation instruction. By adopting the NFC bluetooth earphone and system and the control method thereof, the functions of the NFC bluetooth earphone are diversified.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of NFC bluetooth earphone, system and control method thereof.
Background technology
Development along with electronic technology, mobile terminal is more and more intelligent, near field communication (NearFieldCommunication, NFC) technology and Bluetooth technology have been widely used on existing intelligent terminal, and NFC technique application on bluetooth earphone is also increasingly extensive.
Existing NFC bluetooth earphone mainly includes NFC label and Bluetooth chip etc., and the address of Bluetooth chip is stored in NFC label. When main equipment (as including Bluetooth function and the mobile phone of NFC function) is near the NFC label of bluetooth earphone, the NFC module of main equipment reads the address of Bluetooth chip from the NFC label of bluetooth earphone, then the bluetooth module on notice main equipment matches with the Bluetooth chip of earphone, thus realizing the coupling of bluetooth earphone.
But, the existing bluetooth earphone with NFC function can only realize the function with Bluetooth pairing, and function is comparatively single.
Summary of the invention
The problem that the embodiment of the present invention solves is how to make the functional diversities of NFC bluetooth earphone.
For solving the problems referred to above, the embodiment of the present invention provides a kind of NFC bluetooth earphone, is suitable to communicate with intelligent terminal, including: Bluetooth chip; The NFC chip coupled with described Bluetooth chip, wherein:
Described Bluetooth chip, be suitable to receive the control instruction of described intelligent terminal transmission and be forwarded to described NFC chip, receive the answer signal of described NFC chip transmission and be forwarded to described intelligent terminal, and receive the operational order of described intelligent terminal transmission and be forwarded to described NFC chip;
Described NFC chip, be suitable to when receiving the control instruction that described Bluetooth chip forwards, the mode of operation of correspondence is switched to according to described control instruction, and send answer signal to described Bluetooth chip, and receive the operational order from intelligent terminal that described Bluetooth chip forwards, perform corresponding operation according to described operational order.
Optionally, described answer signal is: described NFC chip is after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
Optionally, described Bluetooth chip and described NFC chip are communicated by any one communication protocol following: ISO7816, SPI and I2C.
Optionally, described NFC bluetooth earphone also includes: mike and earphone status indicator lamp.
For solving the problems referred to above, embodiments provide a kind of NFC Bluetooth earphone system, including: intelligent terminal and NFC bluetooth earphone, wherein:
Described intelligent terminal is suitable to send control instruction to described NFC bluetooth earphone, control the NFC chip in described NFC bluetooth earphone and switch to the mode of operation of correspondence, receive the answer signal that described NFC bluetooth earphone sends, and send operational order to described NFC bluetooth earphone;
Described NFC bluetooth earphone is suitable to when receiving the control instruction that described intelligent terminal sends, and sends answer signal to described intelligent terminal, and when receiving the operational order that described intelligent terminal sends, performs corresponding operation.
Optionally, described answer signal is described NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
For solving the problems referred to above, embodiments provide a kind of NFC bluetooth earphone control method, including:
Send control instruction to described NFC bluetooth earphone, control the NFC chip in described NFC bluetooth earphone and switch to the mode of operation of correspondence;
When receiving the answer signal that described NFC bluetooth earphone sends, send operational order to described NFC bluetooth earphone so that the NFC chip in described NFC bluetooth earphone performs corresponding operation.
Optionally, described answer signal is described NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
Optionally, the mode of operation that described control instruction is corresponding includes following at least one: card model, point-to-point communication pattern and reader/writer mode.
For solving the problems referred to above, the embodiment of the present invention additionally provides another kind of NFC bluetooth earphone control method, including: when Bluetooth chip receives the control instruction that described intelligence intelligent terminal sends, described control instruction is forwarded to described NFC chip; Described NFC chip receives described control instruction, switches to the mode of operation of correspondence according to described control instruction, and sends answer signal to described Bluetooth chip; Described answer signal is forwarded to described intelligent terminal by described Bluetooth chip; When described Bluetooth chip receives the operational order that described intelligent terminal sends, described operational order is forwarded to described NFC chip; Described NFC chip receives the operational order from intelligent terminal that described Bluetooth chip forwards, and performs corresponding operation according to described operational order.
Optionally, described answer signal is: described NFC chip is after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantage that
NFC bluetooth earphone includes the NFC chip and the Bluetooth chip that allow hand over mode of operation, when receiving the control instruction that intelligent terminal sends, NFC chip can switch to the mode of operation of correspondence according to control instruction, realize different functions, so that NFC bluetooth earphone is capable of different functions.
Accompanying drawing explanation
Fig. 1 is a kind of NFC blue-tooth earphone structure schematic diagram in the embodiment of the present invention;
Fig. 2 is a kind of NFC Bluetooth earphone system structural representation in the embodiment of the present invention;
Fig. 3 is a kind of NFC bluetooth earphone control method flow chart in the embodiment of the present invention;
Fig. 4 is the another kind of NFC bluetooth earphone control method flow chart in the embodiment of the present invention.
Detailed description of the invention
Existing NFC bluetooth earphone mainly includes NFC label and Bluetooth chip etc., and the address of Bluetooth chip is stored in NFC label. When main equipment (as including Bluetooth function and the mobile phone of NFC function) is near the NFC label of bluetooth earphone, the NFC module of main equipment reads the address of Bluetooth chip from the NFC label of bluetooth earphone, then the bluetooth module on notice main equipment matches with the Bluetooth chip of earphone, thus realizing the coupling of bluetooth earphone. But, the existing bluetooth earphone with NFC function can only realize the function with Bluetooth pairing, and function is comparatively single.
In embodiments of the present invention, NFC bluetooth earphone includes the NFC chip and the Bluetooth chip that allow hand over mode of operation, when receiving the control instruction that intelligent terminal sends, NFC chip can switch to the mode of operation of correspondence according to control instruction, realize different functions, so that NFC bluetooth earphone is capable of different functions.
Understandable for enabling the above-mentioned purpose of the embodiment of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
With reference to Fig. 1, the embodiment of the present invention gives a kind of NFC blue-tooth earphone structure schematic diagram, including: Bluetooth chip 101 and the NFC chip 102 coupled with Bluetooth chip 101, wherein:
Described Bluetooth chip 101, is suitable to receive the control instruction that intelligent terminal sends, and control instruction is forwarded to described NFC chip 102; Receive the answer signal of described NFC chip 102 transmission and be forwarded to intelligent terminal; And receive the operational order that intelligent terminal sends, and operational order is forwarded to described NFC chip 102.
Described NFC chip 102, be suitable to, when receiving the control instruction that described Bluetooth chip 101 forwards, according to described control instruction, switch to the mode of operation corresponding with described control instruction, after mode of operation has switched, described NFC chip 102 sends answer signal to described Bluetooth chip 101; And receive the operational order from intelligent terminal that described Bluetooth chip 101 forwards, perform corresponding operation according to described operational order.
In being embodied as, NFC chip 102 can couple with NFC antenna 1021, receive or send NFC signal by NFC antenna 1021.
In an embodiment of the present invention, it is possible to interrupt signal NFC chip 102 produced after completing mode of operation switching is as answer signal. Interrupt signal can send to Bluetooth chip 101 by universal input output (GeneralPurposeInputOutput, the GPIO) interface in NFC chip 102, and the interrupt signal received is forwarded to intelligent terminal by Bluetooth chip 101.
In actual applications, the mode of operation of NFC chip can include at least one in following pattern: card model, reader/writer mode, point-to-point communication pattern Three models. Wherein card model is used for noncontact mobile payment, for instance: the finance application such as small amount payment and public transport payment, it is only necessary to both can complete transaction near non-contact reader. Reader/writer mode refers to the operation that by NFC chip NFC label can be written and read and wipe, as the read write line of 13.56MHz card and label. Point-to-point communication pattern refers to and can realize wireless data exchange by the data channel of the 13.56MHz of NFC chip, the equipment that two possess NFC function is realized data link, it is achieved data-transformation facility.
In embodiments of the present invention, Bluetooth chip 101 and NFC chip 102 can be communicated by any one communication protocol following: smart card standard (ISO7816) agreement, Serial Peripheral Interface (SPI) (SPI) agreement and twin wire universal serial bus (I2C) agreement. Such as, Bluetooth chip 101 and NFC chip 102 are communicated by SPI communication agreement. And for example, Bluetooth chip 101 and NFC chip 102 are communicated by I2C communication protocol. It is understood that the communication between Bluetooth chip 101 and NFC chip 102 can also be undertaken by other communication protocol, repeat no more herein.
Removing outside Bluetooth chip 101 and NFC chip 102, in embodiments of the present invention, NFC bluetooth earphone can also include the device such as mike, earphone status indicator lamp.
Below the workflow of the NFC bluetooth earphone provided in the embodiment of the present invention is described in detail.
First intelligent terminal can pass through bluetooth module and be connected with NFC bluetooth earphone 10 foundation. After the bluetooth module of intelligent terminal is connected with NFC bluetooth earphone 10 foundation, intelligent terminal passes through bluetooth 2.4GHz data channel, sends control instruction to NFC bluetooth earphone 10. In an embodiment of the present invention, the control instruction that intelligent terminal sends is to control the instruction of NFC chip 102 switching working mode.
Control instruction, after receiving the control instruction that intelligent terminal sends, is forwarded to the NFC chip 102 being coupled with it by the Bluetooth chip 101 in NFC bluetooth earphone 10. NFC chip 102, when receiving control instruction, performs initialized operation, and switches to the mode of operation of correspondence according to control instruction. Such as, the mode of operation corresponding to control instruction is card model, then NFC chip 102 is after receiving control instruction, and mode of operation switches to card model.
NFC chip 102, after completing mode of operation switching, is generated interrupt signal, and is sent the interrupt signal generated to Bluetooth chip 101 by the GPIO port of 102 in NFC chip. Interrupt signal, after receiving the interrupt signal that NFC chip 102 sends, is forwarded to intelligent terminal by Bluetooth chip 101. Intelligent terminal, after receiving interrupt signal, namely can determine that NFC chip 102 is complete mode of operation switching, sends operational order to NFC bluetooth earphone 10, so that NFC chip 102 to be controlled.
Operational order, after receiving the operational order that intelligent terminal sends, is sent to the NFC chip 102 being coupled with it by the Bluetooth chip 101 of NFC bluetooth earphone 10. NFC chip 102, according to the control instruction received, performs corresponding operation. Such as, the operational order that NFC chip 102 receives is the instruction of write Bluetooth chip 101 address, then be written in NFC chip 102 by Bluetooth address.
Below by citing, the workflow of the NFC bluetooth earphone provided in the embodiment of the present invention is illustrated.
Intelligent terminal is connected with the Bluetooth chip pairing in NFC bluetooth earphone beforehand through bluetooth module. After intelligent terminal is connected with Bluetooth chip foundation, sends control NFC chip by bluetooth 2.4GHz passage to NFC chip and switch to the instruction of card model. After NFC chip receives control instruction, carry out initialization operation, and switch to card model. After NFC chip switches to card model, generating interrupt signal, and sent interrupt signal to Bluetooth chip by the GPIO port on chip, interrupt signal is forwarded to intelligent terminal by Bluetooth chip.
Intelligent terminal, after receiving the interrupt signal that Bluetooth chip forwards, namely can determine that NFC chip is currently already at card model, is written in NFC chip by the address of Bluetooth chip, namely completes the operation to NFC chip.
As can be seen here, NFC bluetooth earphone includes the NFC chip and the Bluetooth chip that allow hand over mode of operation, when receiving the control instruction that intelligent terminal sends, NFC chip can switch to the mode of operation of correspondence according to control instruction, realize different functions, so that NFC bluetooth earphone is capable of different functions.
With reference to Fig. 2, embodiments provide a kind of NFC Bluetooth earphone system, including: intelligent terminal 201 and NFC bluetooth earphone 202, wherein:
Described intelligent terminal 201 is suitable to send control instruction to described NFC bluetooth earphone 202, control the NFC chip 2021 in described NFC bluetooth earphone 202 and switch to the mode of operation of correspondence, receive the answer signal that described NFC bluetooth earphone 202 sends, and send operational order to described NFC bluetooth earphone 202;
Described NFC bluetooth earphone 202 includes Bluetooth chip 2021 and NFC chip 2022, be suitable to when receiving the control instruction that described intelligent terminal 201 sends, answer signal is sent to described intelligent terminal 201, and when receiving the operational order that described intelligent terminal 201 sends, perform corresponding operation.
In embodiments of the present invention, when NFC bluetooth earphone receives the control instruction that intelligent terminal 201 sends, it is possible to by Bluetooth chip 2021, control instruction is forwarded to NFC chip 2022. NFC chip 2022 is after receiving control instruction, carry out initialization operation, and switch to the mode of operation corresponding with control instruction, after completing mode of operation switching, generate interrupt signal, and by the GPIO port on chip, interrupt signal is sent to Bluetooth chip 2021.
Interrupt signal is forwarded to intelligent terminal 201 by Bluetooth chip 2021, intelligent terminal 201 is after receiving interrupt signal, namely can determine that current NFC chip 2022 completes mode of operation switching, namely NFC chip can perform corresponding operation, therefore can send operational order to NFC bluetooth earphone 202, control NFC bluetooth earphone and perform corresponding operation.
The embodiment of the present invention additionally provides the control method of a kind of NFC bluetooth earphone, with reference to Fig. 3, is described in detail below by way of concrete steps.
Step S301, sends control instruction to described NFC bluetooth earphone, controls the NFC chip in described NFC bluetooth earphone and switches to the mode of operation of correspondence;
In embodiments of the present invention, the mode of operation of NFC chip can include card model, point-to-point communication pattern and reader/writer mode. The mode of operation of NFC chip can also include other pattern, does not repeat herein.
Step S302, when receiving the answer signal that described NFC bluetooth earphone sends, sends operational order to described NFC bluetooth earphone so that the NFC chip in described NFC bluetooth earphone performs corresponding operation.
In embodiments of the present invention, answer signal can be NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
The embodiment of the present invention additionally provides the control method of another kind of NFC bluetooth earphone, with reference to Fig. 4, is described in detail below by way of concrete steps.
Step S401, when Bluetooth chip receives the control instruction that described intelligent terminal sends, is forwarded to described NFC chip by described control instruction;
Step S402, described NFC chip receives described control instruction, switches to the mode of operation of correspondence according to described control instruction, and sends answer signal to described Bluetooth chip;
Step S403, described answer signal is forwarded to described intelligent terminal by described Bluetooth chip;
Step S404, when described Bluetooth chip receives the operational order that described intelligent terminal sends, is forwarded to described NFC chip by described operational order;
Step S405, described NFC chip receives the operational order from intelligent terminal that described Bluetooth chip forwards, and performs corresponding operation according to described operational order.
In embodiments of the present invention, answer signal can be NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by the hardware that program carrys out instruction relevant and completes, this program can be stored in a computer-readable recording medium, and storage medium may include that ROM, RAM, disk or CD etc.
Although present disclosure is as above, but the present invention is not limited to this. Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (11)
1. a NFC bluetooth earphone, is suitable to communicate with intelligent terminal, it is characterised in that including:
Bluetooth chip;
The NFC chip coupled with described Bluetooth chip, wherein:
Described Bluetooth chip, be suitable to receive the control instruction of described intelligent terminal transmission and be forwarded to described NFC chip, receive the answer signal of described NFC chip transmission and be forwarded to described intelligent terminal, and receive the operational order of described intelligent terminal transmission and be forwarded to described NFC chip;
Described NFC chip, be suitable to when receiving the control instruction that described Bluetooth chip forwards, the mode of operation of correspondence is switched to according to described control instruction, and send answer signal to described Bluetooth chip, and receive the operational order from intelligent terminal that described Bluetooth chip forwards, perform corresponding operation according to described operational order.
2. NFC bluetooth earphone as claimed in claim 1, it is characterised in that described answer signal is: described NFC chip is after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
3. NFC bluetooth earphone as claimed in claim 1, it is characterised in that described Bluetooth chip and described NFC chip are communicated by any one communication protocol following: ISO7816, SPI and I2C.
4. NFC bluetooth earphone as claimed in claim 1, it is characterised in that described NFC bluetooth earphone also includes: mike and earphone status indicator lamp.
5. a NFC Bluetooth earphone system, it is characterised in that including: intelligent terminal and NFC bluetooth earphone, wherein:
Described intelligent terminal is suitable to send control instruction to described NFC bluetooth earphone, control the NFC chip in described NFC bluetooth earphone and switch to the mode of operation of correspondence, receive the answer signal that described NFC bluetooth earphone sends, and send operational order to described NFC bluetooth earphone;
Described NFC bluetooth earphone is suitable to when receiving the control instruction that described intelligent terminal sends, and sends answer signal to described intelligent terminal, and when receiving the operational order that described intelligent terminal sends, performs corresponding operation.
6. NFC Bluetooth earphone system as claimed in claim 5, it is characterised in that described answer signal be described NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
7. a NFC bluetooth earphone control method, it is characterised in that including:
Send control instruction to described NFC bluetooth earphone, control the NFC chip in described NFC bluetooth earphone and switch to the mode of operation of correspondence;
When receiving the answer signal that described NFC bluetooth earphone sends, send operational order to described NFC bluetooth earphone so that the NFC chip in described NFC bluetooth earphone performs corresponding operation.
8. NFC bluetooth earphone control method as claimed in claim 7, it is characterised in that described answer signal be described NFC chip after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
9. NFC bluetooth earphone control method as claimed in claim 7, it is characterised in that mode of operation corresponding to described control instruction includes following at least one: card model, point-to-point communication pattern and reader/writer mode.
10. a NFC bluetooth earphone control method, it is characterised in that including:
When Bluetooth chip receives the control instruction that described intelligence intelligent terminal sends, described control instruction is forwarded to described NFC chip;
Described NFC chip receives described control instruction, switches to the mode of operation of correspondence according to described control instruction, and sends answer signal to described Bluetooth chip;
Described answer signal is forwarded to described intelligent terminal by described Bluetooth chip;
When described Bluetooth chip receives the operational order that described intelligent terminal sends, described operational order is forwarded to described NFC chip;
Described NFC chip receives the operational order from intelligent terminal that described Bluetooth chip forwards, and performs corresponding operation according to described operational order.
11. NFC bluetooth earphone control method as claimed in claim 10, it is characterised in that described answer signal is: described NFC chip is after completing mode of operation switching, by the interrupt signal that corresponding GPIO port sends.
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CN110769343A (en) * | 2019-10-31 | 2020-02-07 | 歌尔股份有限公司 | Method for communication between wireless headset and charging box, TWS headset and system |
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