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Communication method based on Bluetooth safety equipment, Bluetooth chip and Bluetooth safety equipment

A Bluetooth chip and security device technology, applied in the direction of short-distance communication services, etc., can solve communication errors, communication conflicts and other problems, achieve the effect of improving speed and stability, and avoiding communication conflicts

Active Publication Date: 2019-11-26
SHENZHEN EXCELSECU DATA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a communication method based on a Bluetooth security device, a Bluetooth chip and a Bluetooth security device to solve the problem of Bluetooth in the prior art. Communication conflicts may occur during data communication of security devices, resulting in communication errors

Method used

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  • Communication method based on Bluetooth safety equipment, Bluetooth chip and Bluetooth safety equipment
  • Communication method based on Bluetooth safety equipment, Bluetooth chip and Bluetooth safety equipment
  • Communication method based on Bluetooth safety equipment, Bluetooth chip and Bluetooth safety equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0028] figure 1 It shows the flow chart of the implementation of the communication method based on the Bluetooth security device provided by an embodiment of the present invention. For the convenience of description, only the parts related to the embodiment of the present invention are shown, and the details are as follows.

[0029] In the embodiment of the present invention, the bluetooth security device includes a serially connected bluetooth chip and a security chip. The Bluetooth security device is used for Bluetooth communication with the terminal.

[0030] Such as figure 1 As shown, a communication method based on a Bluetooth security device provided in an embodiment of the present invention includes:

[0031] Step S101, the bluetooth chip performs handshake communication with the terminal.

[0032] In this embodiment, the bluetooth chip and the terminal perform periodic handshake communication of the underlying protocol during the bluetooth communication.

[0033] S...

Embodiment 2

[0085] Such as figure 2 As shown, an embodiment of the present invention provides a bluetooth chip for performing figure 1 The method step in the corresponding embodiment, it comprises:

[0086] The handshake communication module 110 is configured to perform handshake communication with the terminal.

[0087] The serial communication module 120 is configured to perform data transmission with the security chip after the handshake communication is completed.

[0088] The handshake detection module 130 is configured to detect whether there is a handshake event.

[0089] The interrupt module 140 is configured to interrupt the data transmission between the bluetooth chip and the security chip if a handshake event is detected, and execute the step of handshaking communication with the terminal.

[0090] In one embodiment of the invention, the bluetooth chip also includes:

[0091] Timing module, used to start the timer.

[0092] In one embodiment of the present invention, the ...

Embodiment 3

[0096] image 3 It is a schematic diagram of a bluetooth security device provided by an embodiment of the present invention. Such as image 3 As shown, the Bluetooth security device in this embodiment includes: a serially connected Bluetooth chip and a security chip.

[0097] Such as image 3 As shown, the Bluetooth chip is provided with a storage module, a processing module, and a computer program stored in the storage module and operable on the processing module. When the processing module executes the computer program, it realizes the steps in each embodiment as described in Embodiment 1, for example figure 1 Steps S101 to S104 are shown.

[0098] Those skilled in the art can understand that, image 3 It is only an example of a Bluetooth security device, and does not constitute a limitation to the Bluetooth security device. It may include more or fewer components than shown in the figure, or combine certain components, or different components. For example, the Bluetoot...

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Abstract

The invention provides a communication method based on Bluetooth safety equipment, a Bluetooth chip and the Bluetooth safety equipment. The Bluetooth safety equipment comprises the Bluetooth chip anda safety chip which are connected in series. The Bluetooth chip is in handshake communication with a terminal. After the handshake communication is completed, the Bluetooth chip and the security chipcarry out data transmission. The Bluetooth chip detects whether a handshake event exists or not; and if the Bluetooth chip detects a handshake event, interrupting data transmission between the Bluetooth chip and a security chip, and executing the step of handshake communication between the Bluetooth chip and the terminal. Therefore, the serial communication between the Bluetooth chip and the security chip is suspended, the communication conflict between the Bluetooth communication and the serial communication is avoided, and the communication rate and stability are improved.

Description

technical field [0001] The invention belongs to the technical field of bluetooth communication, and in particular relates to a communication method based on a bluetooth safety device, a bluetooth chip and a bluetooth safety device. Background technique [0002] The current communication system architecture based on Bluetooth security devices is usually: the terminal device is connected to the Bluetooth chip in the Bluetooth security device through Bluetooth communication, and the Bluetooth chip transmits the data sent by the terminal device through UART (Universal Asynchronous Receiver / Transmitter, Universal Asynchronous Receiver / Transmitter) or SPI (Serial Peripheral Interface, serial peripheral interface) and other serial interfaces are forwarded to the security chip, the security chip sends the response data to the Bluetooth chip, and the Bluetooth chip forwards it to the terminal device. [0003] Because the Bluetooth communication between the Bluetooth chip and the term...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/80
CPCH04W4/80
Inventor 陈柳章
Owner SHENZHEN EXCELSECU DATA TECH
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