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Method and device of connecting Bluetooth devices at master end and slave ends

The technology of a bluetooth device and a connection method is applied in the field of master-slave bluetooth device connection methods and devices, which can solve problems such as the limitation of the number of network users, and achieve the effect of speeding up the operation speed and optimizing time parameters

Inactive Publication Date: 2014-09-03
SHENZHEN NEW SOLUTION ELECTRONICS
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a master-slave bluetooth device connection method and device to solve the problem that in the prior art, bluetooth master-slave devices that have been networked must be online at the same time to realize the communication function, and the number of network users is limited, etc. question

Method used

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  • Method and device of connecting Bluetooth devices at master end and slave ends
  • Method and device of connecting Bluetooth devices at master end and slave ends
  • Method and device of connecting Bluetooth devices at master end and slave ends

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Embodiment Construction

[0045] Such as figure 1 Shown is a flow chart of the master-slave bluetooth device connection method provided by the preferred embodiment of the present invention. The method includes the following steps:

[0046] S1. The Bluetooth slave device sends a pairing request to the Bluetooth master device. Both the bluetooth master device and the bluetooth slave device are equipped with a bluetooth communication module, and can carry out bluetooth communication connection with each other. Bluetooth communication connections can be established between three or more). Before step S1, step S0 is included, and step S0 includes the following sub-steps:

[0047] S01. The Bluetooth master device sends a paging request to the Bluetooth slave device at a first preset frequency. Bluetooth master and slave devices have multiple working modes, and they can choose the appropriate working mode according to their respective states and the needs of the next step. Before a Bluetooth network (Pic...

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Abstract

The invention discloses a method and a device of connecting Bluetooth devices at a master end and slave ends. Through adopting a one-master multi-slave asynchronous on-line method, the number of networking users is not restricted, and meanwhile, the existing Bluetooth protocol stack is modified, a time parameter is optimized, so that the time for completing connection, data exchange and disconnection at one time is smaller than 1 second, thus the number of the networking users is not restricted and the practicability is enhanced.

Description

technical field [0001] The invention relates to the technical field of bluetooth communication, in particular to a master-slave bluetooth device connection method and device. Background technique [0002] In the prior art, Bluetooth 4.0 technology is generally used in short-distance sensors and controllers to realize related data exchange functions. The Bluetooth 4.0 protocol can theoretically support one master and multiple slaves online at the same time, but most of the actual solutions are point-to-point or point-to-few points. For example, the TI solution is 1 master and 3 slaves online at the same time, and the CSR solution is 1 master and 2 slaves online. In the above schemes, several devices that have been networked must be online at the same time to realize the communication function between the master device and the slave device, and the number of network users is limited, which seriously affects the promotion and application of Bluetooth 4.0 technology. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B5/02H04B5/48
Inventor 戴万谋
Owner SHENZHEN NEW SOLUTION ELECTRONICS
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