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Serial port communication system, serial port 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, reducing difficulty, and simplifying circuit layout

Active Publication Date: 2021-10-22
BEIJING SENSESHIELD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 port communication system, serial port communication method and intelligent door lock
  • Serial port communication system, serial port communication method and intelligent door lock
  • Serial port communication system, serial port 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 applied for herein. Accordingly, the above description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the disclosure.

[0057] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the 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 embodiments of the disclosure. principle.

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

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Abstract

The invention provides a serial communication system, a serial communication method and an intelligent door lock. The serial communication system comprises first equipment, second equipment and third equipment, the first device at least has a first serial port, the second device at least has a second serial port, and the third device at least has a third serial port, wherein the sending end of the first serial port is connected with the receiving end of the second serial port and the receiving end of the third serial port through a first bus, so that the first equipment sends data to the second equipment and / or the third equipment; the receiving end of the first serial port is connected with the sending end of the second serial port and the sending end of the third serial port through a second bus, so that the first equipment receives data sent by the second equipment and / or the third equipment. According to the serial port communication system provided by the invention, the cost of hardware such as an extended chip does not need to be increased, the circuit layout is simplified under the condition of reducing the number of serial ports, and the difficulty of the circuit layout is reduced.

Description

technical field [0001] The present disclosure relates to the technical field of communication serial ports, in particular to a serial communication system, a serial communication method and an intelligent door lock. Background technique [0002] Some electronic products sometimes need to be integrated with multiple small embedded devices (hereinafter referred to as devices), and these multiple devices use serial ports to communicate and cooperate with each other. 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 cannot provide enough serial ports to meet these functions. The following solutions can be adopted in the prior art: use a dedicated UART bridge / expansion chip to expand one serial port into multiple serial ports. However, this me...

Claims

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Application Information

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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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