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一种基于SH7145的电力线通信数据集中器的设计

摘要:针对电力线通信的特点,提出一种数据集中器的设计方案, 阐述以SH7145开发板为核心的硬件设计方案,分析在T-Kernel嵌入式实时操作系统下的软件实现过程,通过确定任务优先级、合理实现任务调度,使其能够实现读取电力自动抄表系统中各个节点数据的功能。

Abstract: In view of the electricity line of force, it proposes one kind of data concentrator design proposal which elaborately take the SH7145 development board as the core hardware design proposal, and analyzes T-Kernel inserts under the type real-time operating system the software realization process. Through the determination task priority, the reasonable realization duty dispatch enables it to realize of reading the electric power automatically and copying in the table system each pitch point data function.

关键词:电力线通信;数据集中器;SH7145

Key words: power line communication;data concentrator;SH7145

中图分类号:TN91 文献标识码:A文章编号:1006-4311(2010)09-0253-01

0引言

电力线通信(Power Line Communication)技术是指在1.6M到30M频带范围内,将电力线作为通信媒介,传输数据、语音、视频信号的一种通信方式。(剩余1783字)

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