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Serial communication system, serial communication method and intelligent door lock

A serial port communication and serial port technology, which is applied in the field of communication serial port, can solve the problems of insufficient serial ports, achieve the effect of reducing the number of serial ports, supporting baud rate, and simplifying circuit layout

Active Publication Date: 2022-07-26
BEIJING SENSESHIELD TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present disclosure is to provide a serial port communication system, a serial port communication method and an intelligent door lock to solve the problem of insufficient serial ports in the prior art

Method used

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  • Serial communication system, serial communication method and intelligent door lock
  • Serial communication system, serial communication method and intelligent door lock
  • Serial communication system, serial communication method and intelligent door lock

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Embodiment Construction

[0055] Various aspects and features of the present disclosure are described herein with reference to the accompanying drawings.

[0056] It should be understood that various modifications may be made to the embodiments claimed herein. Therefore, the above description should not be regarded as limiting, but merely as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of this disclosure.

[0057] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and, together with the general description of the disclosure given above and the detailed description of the embodiments given below, serve to explain the principles of the disclosure. principle.

[0058] These and other features of the present disclosure will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, w...

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Abstract

The present disclosure provides a serial communication system, a serial communication method and an intelligent door lock. The serial communication system includes: a first device, a second device and a third device; the first device has at least a first serial port, and the second device has at least a first serial port. The second serial port and the third device have at least a third serial port; wherein, the sending end of the first serial port is connected to the receiving end of the second serial port and the receiving end of the third serial port through the first bus, so as to realize the communication between the first device and the second serial port. The device and / or the third device sends data; the receiving end of the first serial port is connected to the sending end of the second serial port and the sending end of the third serial port through the second bus, so that the first device can receive the second device and / or the third serial port. Data sent by three devices. The serial communication system provided by the present disclosure does not need to increase hardware costs such as expansion chips, simplifies the circuit layout under the condition of reducing the number of serial ports, and reduces the difficulty of circuit layout.

Description

technical field [0001] The present disclosure relates to the technical field of communication serial ports, in particular to a serial port communication system, a serial port communication method and an intelligent door lock. Background technique [0002] Some electronic products sometimes need to integrate multiple small embedded devices (hereinafter referred to as devices), and these multiple devices use serial ports to communicate and work together. For example, when 3 devices are integrated, each device needs to provide 2 serial ports to communicate with the other 2 devices; at the same time, each device may also need to use other serial ports to access some peripherals. [0003] Due to hardware interface limitations, these devices do not provide enough serial ports for these functions. The following solutions can be adopted in the prior art: a dedicated UART bridge / expansion chip is used to expand one serial port into multiple serial ports. However, this method requir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42G06F13/40E05B17/00
CPCG06F13/4282G06F13/4068E05B17/00
Inventor 孙吉平师学勇
Owner BEIJING SENSESHIELD TECH
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