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A single bus communication method

A communication method and single bus technology, applied in the field of communication, can solve the problems of communication unreliability and high bus timing requirements, and achieve the effect of overcoming communication unreliability, taking into account efficiency and reliability, and promoting the use value.

Active Publication Date: 2017-01-04
SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the read and write operations of 1-Wire adopt a non-interlocked asynchronous communication method, which has relatively high requirements on bus timing, and different 1-Wire devices have different timing requirements. reliability issues

Method used

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  • A single bus communication method
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Embodiment

[0049] The advantages and design content of the single-bus communication method of the present invention will be described in detail below through an embodiment.

[0050] attached Image 6 It is a schematic diagram of the communication system of the embodiment of the present invention, as attached Image 6 As shown, in the server management system, the communication system includes an AST2400 BMC, a DS18B20-like single-bus device, a DS28E01-100-like single-bus device, and a pull-up resistor, wherein the BMC of the AST2400 serves as the first A device, a DS18B20-like single-bus device for temperature measurement and a DS28E01-100-like single-bus device for program security encryption authentication protection are connected to the single bus. At the same time, the single bus of the BMC of the AST2400 is connected to the power terminal through a pull-up resistor. Single-bus devices like DS18B20 have the characteristics of small data volume and relatively simple working principl...

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Abstract

The invention discloses a single-bus communication method, which is suitable for a single-bus communication system. A plurality of second devices with different timing requirements are connected to the single bus of the first device. Through the single-bus communication method, the first device targets different The second device formulates different communication strategies to adapt to devices with different timing requirements, taking into account the efficiency and reliability of communication, and overcomes the problem of unreliable communication caused by uniform timing regulations in the prior art. Moreover, the The single-bus communication method is novel in conception and simple in implementation, and significantly improves the communication effect of the single-bus communication system.

Description

technical field [0001] The invention relates to the communication field, in particular to a single bus communication method. Background technique [0002] Bus technology is an important technology for communication between chips or devices. Compared with point-to-point communication technology, bus communication can effectively reduce the complexity of the connection and improve the utilization rate of the connection. The existing bus can be divided into serial bus and parallel bus according to the way of data transmission. At present, the common serial bus includes SPI, I2C, USB, IEEE1394, RS232, CAN, etc., while the parallel bus has relatively few types. Common ones such as IEEE1284, ISA, PCI, etc. However, whether it is a serial bus or a parallel bus, bus communication requires the support of multiple communication lines, which will bring difficulties to the circuit design where I / O port resources are very precious, so single-bus communication technology emerges as the t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/36
Inventor 李清石张雁鹏刘强
Owner SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD