摘要物联网技术作为信息化时代的第三次变革,通过信息传感设备,按照一定协议,将物物相连。而数据采集系统就是采集传感设备上的模拟信号转换成数字信号,然后进行分析与处理。温度参数在工业、农业等领域扮演了重要角色,本文围绕温度设计了数据采集系统。80186
本系统选择了MSP430F5438作为微处理器,通过DS18B20温度传感器进行温度的实时监测,然后通过RS-485接口传给监测系统。本文简略地介绍了整个系统的框架,以及各个模块的作用,本文重点是ADC模数转换的驱动设计,以及DS18B20温度传感器的驱动设计,最后通过串行通信的驱动设计,完成系统的联动。
基于物联网的温度数据采集系统,具有测温精度高,成本低,体积小,抗干扰能力强,功耗极低等诸多优点,能够很好的完成实时测温任务。
毕业论文关键词: MSP430 模数转换 DS18B20 串行通信
毕业设计说明书外文摘要
Title Data Acquisition System Based on Internet of Things Driving design of data acquisition
Abstract Internet of things technology as the third change in the information age, through the information sensing equipment, in accordance with a certain agreement, will be linked to the。 The data acquisition system is to collect the analog signals of the sensing device into digital signals, and then analyze and deal with the data。。Temperature parameter plays an important role in industry, agriculture and other fields。 In this paper, we design a data acquisition system based on temperature。
The system chooses MSP430F5438 as the microprocessor, through the DS18B20 temperature sensor for real-time monitoring of temperature, and then through the RS-485 interface to monitor the system。 This paper briefly introduces the framework of the whole system and each module function, this paper is ADC driver design, and temperature sensor DS18B20 driven design, the serial communication driver design, complete the system linkage。
The temperature data acquisition system based on Internet of things has many advantages, such as high precision, low cost, small size, strong anti-interference ability, low power consumption and so on。
Keywords MSP430 analog to digital conversion DS18B20 serial communication
目 次
1 绪论 1
1。1 研究背景及意义 1
1。2 本课题主要研究内容 3
1。3 本文内容布局 3
1。4 本章小结 4
2 系统总体方案设计 5
2。1 系统设计方案选择 5
2。2 系统总体方案 5
2。3 模块功能概述 6
2。4 本章小结 6
3 硬件部分 7
3。1 主板模块 7
3。2 ADC模数转换模块 9
3。3 温度传感器 12
3。4 串行通信模块 16
3。5 本章小结 17
4 软件设计 18
4。1 ADC程序驱动