CN105635873A - NFC bluetooth earphone and system, and control method thereof - Google Patents

Abstract

An NFC bluetooth headset, system and control method thereof, the NFC bluetooth headset includes: a bluetooth chip; an NFC chip coupled to the bluetooth chip, wherein: the bluetooth chip is adapted to receive control sent by the smart terminal The instruction is forwarded to the NFC chip, the response signal sent by the NFC chip is received and forwarded to the smart terminal, and the operation command sent by the smart terminal is received and forwarded to the NFC chip; the NFC chip is adapted to When receiving the control command forwarded by the Bluetooth chip, switch to the corresponding working mode according to the control command, send a response signal to the Bluetooth chip, and receive the operation command from the smart terminal forwarded by the Bluetooth chip, A corresponding operation is performed according to the operation instruction. By adopting the NFC bluetooth earphone, the system and the control method thereof, the functions of the NFC bluetooth earphone can be diversified.

Description

NFC bluetooth headset, system and control method thereof

technical field

The invention relates to the field of wireless communication, in particular to an NFC bluetooth headset, a system and a control method thereof.

Background technique

With the development of electronic technology, mobile terminals are becoming more and more intelligent. Near Field Communication (NFC) technology and Bluetooth technology have been widely used in existing smart terminals. The application of NFC technology in Bluetooth headsets is also becoming more and more extensive. .

Existing NFC Bluetooth earphones mainly include an NFC tag and a Bluetooth chip, etc., and the address of the Bluetooth chip is stored in the NFC tag. When the master device (such as a mobile phone including Bluetooth function and NFC function) is close to the NFC tag of the Bluetooth headset, the NFC module of the master device reads the address of the Bluetooth chip from the NFC tag of the Bluetooth headset, and then notifies the Bluetooth module on the master device and the headset Bluetooth chip for pairing, so as to achieve the matching of Bluetooth headsets.

However, the existing bluetooth earphones with NFC function can only realize the function of pairing with bluetooth, and the function is relatively single.

Contents of the invention

The problem solved by the embodiments of the present invention is how to diversify the functions of the NFC Bluetooth headset.

In order to solve the above problems, an embodiment of the present invention provides an NFC Bluetooth headset, which is suitable for communicating with an intelligent terminal, including: a Bluetooth chip; an NFC chip coupled to the Bluetooth chip, wherein:

The Bluetooth chip is adapted to receive a control command sent by the smart terminal and forward it to the NFC chip, receive a response signal sent by the NFC chip and forward it to the smart terminal, and receive an operation sent by the smart terminal Instructions are forwarded to the NFC chip;

The NFC chip is adapted to switch to a corresponding working mode according to the control command when receiving the control command forwarded by the Bluetooth chip, and send a response signal to the Bluetooth chip, and receive a message from the Bluetooth chip forwarded by the Bluetooth chip. An operation instruction of the smart terminal, and a corresponding operation is performed according to the operation instruction.

Optionally, the response signal is: an interrupt signal sent by the NFC chip through a corresponding GPIO port after the switching of the working mode is completed.

Optionally, the Bluetooth chip communicates with the NFC chip through any of the following communication protocols: ISO7816, SPI, and I2C.

Optionally, the NFC Bluetooth headset further includes: a microphone and a headset status indicator light.

In order to solve the above problems, an embodiment of the present invention provides an NFC Bluetooth headset system, including: an intelligent terminal and an NFC Bluetooth headset, wherein:

The intelligent terminal is adapted to send a control command to the NFC Bluetooth headset, control the NFC chip in the NFC Bluetooth headset to switch to a corresponding working mode, receive a response signal sent by the NFC Bluetooth headset, and send a message to the NFC Bluetooth headset. The earphone sends operation instructions;

The NFC Bluetooth headset is adapted to send a response signal to the smart terminal when receiving a control command sent by the smart terminal, and perform a corresponding operation when receiving an operation command sent by the smart terminal.

Optionally, the response signal is an interrupt signal sent by the NFC chip through the corresponding GPIO port after the switching of the working mode is completed.

In order to solve the above problems, an embodiment of the present invention provides a method for controlling an NFC Bluetooth headset, including:

Send a control command to the NFC bluetooth earphone to control the NFC chip in the NFC bluetooth earphone to switch to the corresponding working mode;

When receiving the response signal sent by the NFC Bluetooth headset, send an operation instruction to the NFC Bluetooth headset, so that the NFC chip in the NFC Bluetooth headset performs a corresponding operation.

Optionally, the response signal is an interrupt signal sent by the NFC chip through the corresponding GPIO port after the switching of the working mode is completed.

Optionally, the working modes corresponding to the control instructions include at least one of the following: card mode, point-to-point communication mode, and reader-writer mode.

In order to solve the above problems, the embodiment of the present invention also provides another NFC Bluetooth headset control method, including: when the Bluetooth chip receives the control command sent by the smart smart terminal, forwards the control command to the NFC chip; The NFC chip receives the control command, switches to a corresponding working mode according to the control command, and sends a response signal to the Bluetooth chip; the Bluetooth chip forwards the response signal to the smart terminal; the When the Bluetooth chip receives the operation instruction sent by the smart terminal, it forwards the operation instruction to the NFC chip; the NFC chip receives the operation instruction from the smart terminal forwarded by the Bluetooth chip, and executes the operation instruction according to the operation instruction. corresponding operation.

Optionally, the response signal is: an interrupt signal sent by the NFC chip through a corresponding GPIO port after the switching of the working mode is completed.

Compared with the prior art, the technical solutions of the embodiments of the present invention have the following advantages:

The NFC Bluetooth headset includes an NFC chip and a Bluetooth chip that can switch working modes. When receiving the control command sent by the smart terminal, the NFC chip can switch to the corresponding working mode according to the control command to achieve different functions, so that the NFC Bluetooth Headphones are capable of different functions.

Description of drawings

Fig. 1 is a kind of NFC bluetooth earphone structure schematic diagram in the embodiment of the present invention;

Fig. 2 is a kind of NFC bluetooth earphone system structure schematic diagram in the embodiment of the present invention;

Fig. 3 is a kind of NFC bluetooth earphone control method flowchart in the embodiment of the present invention;

Fig. 4 is a flow chart of another NFC Bluetooth headset control method in an embodiment of the present invention.

detailed description

Existing NFC Bluetooth earphones mainly include an NFC tag and a Bluetooth chip, etc., and the address of the Bluetooth chip is stored in the NFC tag. When the master device (such as a mobile phone including Bluetooth function and NFC function) is close to the NFC tag of the Bluetooth headset, the NFC module of the master device reads the address of the Bluetooth chip from the NFC tag of the Bluetooth headset, and then notifies the Bluetooth module on the master device and the headset Bluetooth chip for pairing, so as to achieve the matching of Bluetooth headsets. However, the existing bluetooth earphones with NFC function can only realize the function of pairing with bluetooth, and the function is relatively single.

In the embodiment of the present invention, the NFC bluetooth headset includes an NFC chip and a bluetooth chip capable of switching working modes. function, so that the NFC Bluetooth headset can realize different functions.

In order to make the above objects, features and advantages of the embodiments of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, the embodiment of the present invention provides a schematic structural diagram of an NFC Bluetooth headset, including: a Bluetooth chip 101 and an NFC chip 102 coupled with the Bluetooth chip 101, wherein:

The bluetooth chip 101 is adapted to receive the control instruction sent by the smart terminal, and forward the control instruction to the NFC chip 102; receive the response signal sent by the NFC chip 102 and forward it to the smart terminal; and receive the response signal sent by the smart terminal. An operation instruction is forwarded to the NFC chip 102.

The NFC chip 102 is adapted to switch to a working mode corresponding to the control command according to the control command when receiving the control command forwarded by the Bluetooth chip 101, and when the switching of the working mode is completed, the The NFC chip 102 sends a response signal to the Bluetooth chip 101; and receives an operation instruction from the smart terminal forwarded by the Bluetooth chip 101, and executes a corresponding operation according to the operation instruction.

In a specific implementation, the NFC chip 102 may be coupled with the NFC antenna 1021 , and receive or send NFC signals through the NFC antenna 1021 .

In an embodiment of the present invention, the interrupt signal generated by the NFC chip 102 after switching the working mode can be used as the response signal. The interrupt signal can be sent to the Bluetooth chip 101 through a General Purpose Input Output (GPIO) interface on the NFC chip 102, and the Bluetooth chip 101 forwards the received interrupt signal to the smart terminal.

In practical applications, the working mode of the NFC chip may include at least one of the following modes: card mode, reader-writer mode, and point-to-point communication mode. Among them, the card mode is used for non-contact mobile payment, such as: financial micropayment and public transportation payment applications, and only needs to be close to the non-contact reader to complete the transaction. Reader mode refers to the operation of reading, writing and erasing NFC tags through the NFC chip, as a reader for 13.56MHz cards and tags. The point-to-point communication mode means that wireless data exchange can be realized through the 13.56MHz data channel of the NFC chip, and two devices with NFC function can realize data link and realize data transmission function.

In the embodiment of the present invention, the Bluetooth chip 101 and the NFC chip 102 can communicate through any of the following communication protocols: smart card standard (ISO7816) protocol, serial peripheral interface (SPI) protocol and two-wire serial bus (I2C )protocol. For example, the Bluetooth chip 101 communicates with the NFC chip 102 through the SPI communication protocol. In another example, the Bluetooth chip 101 communicates with the NFC chip 102 through the I2C communication protocol. It can be understood that the communication between the Bluetooth chip 101 and the NFC chip 102 can also be performed through other communication protocols, which will not be repeated here.

In addition to the Bluetooth chip 101 and the NFC chip 102, in the embodiment of the present invention, the NFC Bluetooth headset may also include devices such as a microphone and a headset status indicator light.

The working process of the NFC Bluetooth headset provided in the embodiment of the present invention will be described in detail below.

The smart terminal can first establish a connection with the NFC Bluetooth headset 10 through the Bluetooth module. After the Bluetooth module of the smart terminal establishes a connection with the NFC Bluetooth headset 10, the smart terminal sends a control command to the NFC Bluetooth headset 10 through the Bluetooth 2.4GHz data channel. In an embodiment of the present invention, the control instruction sent by the smart terminal is an instruction for controlling the NFC chip 102 to switch working modes.

After receiving the control command sent by the smart terminal, the Bluetooth chip 101 in the NFC Bluetooth headset 10 forwards the control command to the NFC chip 102 coupled thereto. When receiving the control instruction, the NFC chip 102 performs an initialization operation, and switches to a corresponding working mode according to the control instruction. For example, if the working mode corresponding to the control command is the card mode, the NFC chip 102 switches the working mode to the card mode after receiving the control command.

After switching the working mode, the NFC chip 102 generates an interrupt signal, and sends the generated interrupt signal to the Bluetooth chip 101 through the GPIO port of the NFC chip 102 . After receiving the interrupt signal sent by the NFC chip 102, the Bluetooth chip 101 forwards the interrupt signal to the smart terminal. After receiving the interrupt signal, the smart terminal can determine that the NFC chip 102 has completed switching the working mode, and send an operation instruction to the NFC Bluetooth headset 10 to control the NFC chip 102 .

After receiving the operation instruction sent by the smart terminal, the Bluetooth chip 101 of the NFC Bluetooth headset 10 sends the operation instruction to the NFC chip 102 coupled thereto. The NFC chip 102 performs corresponding operations according to the received control instructions. For example, if the operation instruction received by the NFC chip 102 is an instruction to write the address of the Bluetooth chip 101 , then the Bluetooth address is written into the NFC chip 102 .

The working process of the NFC Bluetooth headset provided in the embodiment of the present invention will be described below by way of example.

The smart terminal is pre-paired and connected with the Bluetooth chip in the NFC Bluetooth headset through the Bluetooth module. After the smart terminal establishes a connection with the Bluetooth chip, it sends an instruction to control the NFC chip to switch to the card mode through the Bluetooth 2.4GHz channel to the NFC chip. After the NFC chip receives the control command, it performs an initialization operation and switches to the card mode. When the NFC chip switches to the card mode, an interrupt signal is generated, and the interrupt signal is sent to the Bluetooth chip through the GPIO port on the chip, and the Bluetooth chip forwards the interrupt signal to the smart terminal.

After receiving the interrupt signal forwarded by the Bluetooth chip, the smart terminal can determine that the NFC chip is currently in the card mode, write the address of the Bluetooth chip into the NFC chip, and complete the operation on the NFC chip.

It can be seen that the NFC Bluetooth headset includes an NFC chip and a Bluetooth chip that can switch working modes. When receiving the control command sent by the smart terminal, the NFC chip can switch to the corresponding working mode according to the control command to achieve different functions. It is possible to enable the NFC Bluetooth headset to realize different functions.

With reference to Fig. 2, the embodiment of the present invention provides a kind of NFC bluetooth earphone system, comprises: intelligent terminal 201 and NFC bluetooth earphone 202, wherein:

The smart terminal 201 is adapted to send a control command to the NFC Bluetooth headset 202, control the NFC chip 2021 in the NFC Bluetooth headset 202 to switch to a corresponding working mode, receive the response signal sent by the NFC Bluetooth headset 202, and Send an operation instruction to the NFC Bluetooth headset 202;

The NFC bluetooth headset 202 includes a bluetooth chip 2021 and an NFC chip 2022, adapted to send a response signal to the smart terminal 201 when receiving the control instruction sent by the smart terminal 201, and when receiving the control command sent by the smart terminal 201 When the operation instruction is sent, perform the corresponding operation.

In the embodiment of the present invention, when the NFC Bluetooth earphone receives the control command sent by the smart terminal 201 , the control command can be forwarded to the NFC chip 2022 through the Bluetooth chip 2021 . After the NFC chip 2022 receives the control command, it performs an initialization operation and switches to a working mode corresponding to the control command. After completing the switching of the working mode, it generates an interrupt signal and sends the interrupt signal to the Bluetooth via the GPIO port on the chip. Chip 2021.

The Bluetooth chip 2021 forwards the interrupt signal to the smart terminal 201. After receiving the interrupt signal, the smart terminal 201 can determine that the current NFC chip 2022 has completed the work mode switch, that is, the NFC chip can perform the corresponding operation, so it can send the NFC Bluetooth headset 202 sends an operation command to control the NFC Bluetooth headset to perform corresponding operations.

The embodiment of the present invention also provides a control method of an NFC bluetooth earphone, referring to FIG. 3 , which will be described in detail through specific steps below.

Step S301, sending a control command to the NFC Bluetooth headset to control the NFC chip in the NFC Bluetooth headset to switch to a corresponding working mode;

In the embodiment of the present invention, the working modes of the NFC chip may include a card mode, a peer-to-peer communication mode, and a reader-writer mode. The working mode of the NFC chip may also include other modes, which will not be described here.

Step S302, when receiving the response signal sent by the NFC Bluetooth headset, send an operation instruction to the NFC Bluetooth headset, so that the NFC chip in the NFC Bluetooth headset performs a corresponding operation.

In the embodiment of the present invention, the response signal may be an interrupt signal sent by the NFC chip through the corresponding GPIO port after the switching of the working mode is completed.

The embodiment of the present invention also provides another method for controlling an NFC Bluetooth headset. Referring to FIG. 4 , the specific steps will be described in detail below.

Step S401, when the Bluetooth chip receives the control command sent by the smart terminal, forward the control command to the NFC chip;

Step S402, the NFC chip receives the control instruction, switches to a corresponding working mode according to the control instruction, and sends a response signal to the Bluetooth chip;

Step S403, the bluetooth chip forwards the response signal to the smart terminal;

Step S404, when the Bluetooth chip receives the operation instruction sent by the smart terminal, forward the operation instruction to the NFC chip;

Step S405, the NFC chip receives an operation instruction from the smart terminal forwarded by the Bluetooth chip, and performs a corresponding operation according to the operation instruction.

In the embodiment of the present invention, the response signal may be an interrupt signal sent by the NFC chip through the corresponding GPIO port after the switching of the working mode is completed.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: ROM, RAM, disk or CD, etc.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention should be based on the scope defined in the claims.

Claims (11)

1. A kind of NFC bluetooth earphone, is suitable for communicating with intelligent terminal, is characterized in that, comprises: Bluetooth chip; The NFC chip coupled with the bluetooth chip, wherein: The Bluetooth chip is adapted to receive a control command sent by the smart terminal and forward it to the NFC chip, receive a response signal sent by the NFC chip and forward it to the smart terminal, and receive an operation sent by the smart terminal Instructions are forwarded to the NFC chip; The NFC chip is adapted to switch to a corresponding working mode according to the control command when receiving the control command forwarded by the Bluetooth chip, and send a response signal to the Bluetooth chip, and receive a message from the Bluetooth chip forwarded by the Bluetooth chip. An operation instruction of the smart terminal, and a corresponding operation is performed according to the operation instruction. 2. The NFC Bluetooth headset according to claim 1, wherein the response signal is an interrupt signal sent by the corresponding GPIO port after the NFC chip completes the switching of the working mode. 3. The NFC Bluetooth headset according to claim 1, wherein the Bluetooth chip communicates with the NFC chip through any of the following communication protocols: ISO7816, SPI and I2C. 4. The NFC Bluetooth headset according to claim 1, wherein the NFC Bluetooth headset further comprises: a microphone and a headset status indicator light. 5. A NFC bluetooth earphone system, characterized in that it comprises: an intelligent terminal and an NFC bluetooth earphone, wherein: The intelligent terminal is adapted to send a control command to the NFC Bluetooth headset, control the NFC chip in the NFC Bluetooth headset to switch to a corresponding working mode, receive a response signal sent by the NFC Bluetooth headset, and send a message to the NFC Bluetooth headset. The earphone sends operation instructions; The NFC Bluetooth headset is adapted to send a response signal to the smart terminal when receiving a control command sent by the smart terminal, and perform a corresponding operation when receiving an operation command sent by the smart terminal. 6. The NFC bluetooth earphone system according to claim 5, wherein the response signal is an interrupt signal sent by the corresponding GPIO port after the NFC chip finishes switching the working mode. 7. A method for controlling an NFC bluetooth headset, comprising: Send a control command to the NFC bluetooth earphone to control the NFC chip in the NFC bluetooth earphone to switch to the corresponding working mode; When receiving the response signal sent by the NFC Bluetooth headset, send an operation instruction to the NFC Bluetooth headset, so that the NFC chip in the NFC Bluetooth headset performs a corresponding operation. 8. The NFC Bluetooth headset control method according to claim 7, wherein the response signal is an interrupt signal sent by the corresponding GPIO port after the NFC chip completes the switching of the working mode. 9 . The NFC Bluetooth headset control method according to claim 7 , wherein the operating modes corresponding to the control commands include at least one of the following: card mode, point-to-point communication mode, and reader-writer mode. 10. A method for controlling an NFC bluetooth headset, comprising: When the bluetooth chip receives the control instruction sent by the intelligent smart terminal, it forwards the control instruction to the NFC chip; The NFC chip receives the control instruction, switches to a corresponding working mode according to the control instruction, and sends a response signal to the Bluetooth chip; The bluetooth chip forwards the response signal to the smart terminal; When the Bluetooth chip receives the operation instruction sent by the smart terminal, it forwards the operation instruction to the NFC chip; The NFC chip receives an operation instruction from the smart terminal forwarded by the Bluetooth chip, and performs a corresponding operation according to the operation instruction. 11. The NFC Bluetooth headset control method according to claim 10, wherein the response signal is an interrupt signal sent by the corresponding GPIO port after the NFC chip completes the switching of the working mode.