音乐喷泉毕业设计.doc

目录 第一章、绪论······················································1 1.1、本课题研究的意义·········································1 1.2、单片机的特点及应用·······································1 1.3、本课题研究的现状·········································3 1.4、音乐喷泉在诸多领域的应用·································3 1.5、本课题的基本内容·········································3 第二章、总体设计方案··············································4 2.1、音乐喷泉控制系统整体设计································4 2.2、方案比较·················································4 2.3、系统框图·················································4 第三章、硬件电路的设计············································7 3.1、电源电路·················································7 3.2、单片机控制电路设计·······································7 3.3、输入、出电路的设计·······································9 第四章、软件程序流程图············································11 4.1、系统整体流程图···········································12 4.2、喷池数据·················································12 第五章、调试过程和调试方法········································14 5.1、硬件调试·················································14 5.2、软件调试·················································14 结论······························································15 致谢······························································16 参考文献··························································17 第一章 绪论 1.1本课题的研究意义 音乐喷泉系统设计采用单片机为控制核心有较好的经济效益。因为单片机的特点是体积小、集成度高、重量轻、抗干扰能力强，对环境要求不高，价格低廉，可靠性高，灵活性好，开发较为容易等。 1.2单片机的特点及应用 单片机的特点是控制性能和可靠性高，体积小、价格低、易于产品化。由于单片机具有良好的控制性能和灵活的嵌入品质，近年来在智能仪表、机电一体化产品、实时工业控制家用电器等各个领域都获得了极其广泛的应用 1.2.1 什么是单片机 单片机是指一个集成在一块芯片上的完整计算机系统。尽管它的大部分功能集成在一块小芯片上，但是它具有一个完整计算机所需要的大部分部件：CPU、内存、内部和外部总线系统。单片机是将中央处理器，随机存储器。只读存储器，定时器芯片和I/O接口电路集成于一个芯片上的微控制器。 单片机也被称为微控制器（Microcontroler），是因为它最早被用在工业控制领域。单片机由芯片内仅有CPU的专用处理器发展而来。最早的设计理念是通过将大量外围设备和CPU集成在一个芯片中，使计算机系统更小，更容易集成进复杂的而对提及要求严格的控制设备当中。INTEL的Z80是最早按照这种思想设计出的处理器，从此以后，单片机和专用处理器的发展便分道扬镳。 早期的单片机都是8位或4位的。其中最成功的是INTEL的8031，因为简单可