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基于主从站配合的从站搜索算法
引用本文:虞文鹏,虞礼贞,沈志勤.基于主从站配合的从站搜索算法[J].南昌大学学报(理科版),2006,30(1):77-79.
作者姓名:虞文鹏  虞礼贞  沈志勤
作者单位:1. 江西经济管理干部学院,计算机系,江西,南昌,330200
2. 南昌大学,电子科学工程系,江西,南昌,330029
摘    要:基于One Wire Bus的轮询式微型网络,主站用从站的ID号轮询从站,不存在总线的争用和冲突,吞吐率不随总线上所挂站点的增多而下降。但主站必需在网络初始化时搜索在线从站的ID号。从站搜索过程中,从站器件同时应答主机的搜索,同时向主机发送数据,本质上也是总线的争用和冲突。本文介绍基于主从站配合的总线争用解决办法(从站搜索算法)。

关 键 词:从站搜索算法  微型网络
文章编号:1006-0464(2006)01-0077-03
收稿时间:2005-03-10
修稿时间:2005年3月10日

Slave Device Searching Algorithm Based on Master-and Slave-Device Coordination
YU Wen-peng,YU Li-zhen,SHEN Zhi-qin.Slave Device Searching Algorithm Based on Master-and Slave-Device Coordination[J].Journal of Nanchang University(Natural Science),2006,30(1):77-79.
Authors:YU Wen-peng  YU Li-zhen  SHEN Zhi-qin
Institution:1. Jiangxi Economical Manager School, Nanchang 330200, China ; 2. Department of Electronics, Nanchang University, Nanchang 330029, China
Abstract:MicroLAN is a roll call polling network based on 1-wire bus,where master device polls slave devices with ID(serial number) of the slaves.There are not bus contest and conflict in the network,and throughput of the network will not be lowered as an increase in number of connected devices.However,the master must search ID of connected slave devices in initializing the network.During the searching process connected slave devices transmit data to the master after making an acknowledge to the master,in which there are also bus contest and conflict essentially.A method settling bus contest problem(namely slave device searching algorithm) is given,which is designed on the basis of master-and slave-device Coordination.
Keywords:One Wire Bus
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