课程设计
课 程 名 嵌入式软件开发技术
设计与实现
专 业 计算机科学与技术（嵌入式系统方向）
班 级菜园保卫战 13计算机嵌入式系统班
学 号
学生姓名
尝试错误
2016年6月
摘要
温度是个很普遍而又非常重要的参数，在日常生活、工农业生产以及科研领域都有着广泛的应用。因此，研制能够准确地测量和记录这个参数值的系统具有十分重要的意义。
基于ARM的嵌入式温度监测系统是采用嵌入式Linux作为操作系统，针对以S5PV210为处理器的开发板设计的一个嵌入式温度监测系统。论文在分析了Linux设备驱动程序的基本工作原理基础上，讨论了开发中经常会碰到的中断处理、拥塞处理、I/O端口，并在此基础上实现了基于S5PV210嵌入式处理器的开、读、写、关外部RAM的字符设备驱动和网络驱动。结合高精度温度传感器DS18B20，实现温度的正确采集，并通过以太网络将数据上传给上位机客户端。 论文首先介绍了声波速度通信网络中各种设备特性、总线结构及传输技术，然后根据单片机与PC机之间的串行通信原理，用ubantu完成温度监测系统的软件设计与实现，为用户提供一个友好的人机界面，对监测系统进行控制并显示采集后的数据。本系统还通过多线程实现了多个客户端与服务器的通信。
关键词：S5PV210；嵌入式Linux操作系统；DS18B20；网络编程
pgl3Abstract
Temperature is a very common and very important parameter, in daily life, industrial and agricultural production and scientific research fields have a wide range of applications. Therefore, it is very important to develop a system that can accurately measure and record the value of this parameter.
The temperature monitoring system of base on the ARM is use of embedded Linux as the operating system for the processor to S5PV210 development board designed for an embedded temperature monitoring system. Based on the analysis of the basic working principle based on the Linux device drivers discussed development often encounter interrupt handling, congestion handling, I / O ports, and on this basis to achieve the embedded processor based on open S5PV210 reading, writing, characters off the external RAM device driver and network drives. Combined with precision temperature sensor DS18B20, to achieve the correct temperature acquisition, and upload the data via Ethernet to a PC client.
At first,the paper introduces the characteristics of various devices in a communication net
g2awork, the bus structure and transmission technology, and according to the principle of serial communication between SCM and PC, with ubantu complete temperature monitoring system software design and implementation, to provide users with a friendly man-machine interface, the monitoring system to control and display the data after collection. The system also enables communication via a plurality of multi-threaded client and the server.
Key words:S5PV210; embedded Linux operating system; DS18B20; Network programming
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