目 录
摘 要 ....................................................................................................................................................................I
Abstract .................................................................................................................................................................II
1 绪论 ...................................................................................................................................................................1
1.1 课题的背景、目的与意义 ...........................................................................................................................1
1.2 国内外研究现状 ...........................................................................................................................................1
1.2.1 无线传感器网络技术研究现状 ...............................................................................................................1
1.2.2 温室测控系统研究现状 ...........................................................................................................................3
1.3 本课题研究主要内容及论文组织结构 .......................................................................................................3
1.3.1 本文主要研究内容 ...................................................................................................................................4
1.3.2 本论文的组织结构 ...................................................................................................................................4
2 温室温湿度监测系统设计方案 .......................................................................................................................5
2.1 系统设计目标及技术指标 ...........................................................................................................................5
2.1.1 系统功能特点 ...........................................................................................................................................5
2.1.2 技术指标 ...................................................................................................................................................5
2.1.3 节点硬件平台和软件系统 .......................................................................................................................5
2.2 系统体系结构 ...............................................................................................................................................6
2.3 方案描述及工作流程 ...................................................................................................................................7
3 传感器节点的硬件及软件系统 .......................................................................................................................8
3.1 硬件总体结构 ...............................................................................................................................................8
3.2 主要元器件 ...................................................................................................................................................9
3.2.1 处理器 ATMEGA 128L ................................................................................................................................9
3.2.2 无线芯片 CC2420 ....................................................................................................................................10
3.2.3 传感器模块 .............................................................................................................................................11
3.2.4 电源管理模块 .........................................................................................................................................12
3.4 TinyOS 操作系统概述 ................................................................................................................................13
3.4.1 TinyOS 体系结构 ....................................................................................................................................13
3.4.2 NesC 语言 ................................................................................................................................................13
4 温湿度监测软件系统设计及实验测试 .........................................................................................................15
4.1 软件开发环境介绍 .....................................................................................................................................15
4.1.1 LabVlEW 简介 ..........................................................................................................................................15
4.1.2 MoteWorks 软件平台 ..............................................................................................................................15
4.2 系统软件组成 ...........................................................................................................................................16
4.3 软件开发关键技术 ...................................................................................................................................17