基于单片机易电子琴研究设计书课程研究设计书.docVIP

湖南文理学院 课程设计报告 课程名称： 单片机课程设计 专业班级： 自动化10102班17号 学生姓名： 肖 葵 指导教师： 王南兰 完成时间： 2013年 6 月 13 日 报告成绩： 湖南文理学院制 摘 要 随着社会的发展进步，音乐逐渐成为生活中很重要的一部分，有人曾说喜欢音乐的人不会向恶。我们都会抽空欣赏世界名曲，作为对精神的洗礼。本论文设计一个基于单片机的简易电子琴。对于电子琴如何实现其功能，如音色选择、声音强弱控制、节拍器、自动放音功能等等也很好奇。 电子琴是现代电子科技与音乐结合的产物，是一种新型的键盘乐器。它在现代音乐扮演着重要的角色，单片机具有强大的控制功能和灵活的编程实现特性，它已经溶入现代人们的生活中，成为不可替代的一部分。本文的主要内容是用AT89S5单片机为核心控制元件，设计一个电子琴。以单片机作为主控核心，与键盘、扬声器等模块组成核心主控制模块，在主控模块上设有16个按键和扬声器。本系统运行稳定，其优点是硬件电路简单，软件功能完善，控制系统可靠，性价比较高等，具有一定的实用和参考价值。 ?关键词：AT89S51； 音色节拍器 ? ? ? ? ABSTRACT With the development of our society, music has become an important part of life. There’s a saying goes that people who likes music cannot be an evil. During our life, we often enjoy all kinds of music in the world to baptize our spirits. This thesis has designed a simple microcontroller-based electronic key board. We are curious about the foundation of electronic keyboard, such as the choice of timber, the control of volume, the metrononme and automatic playback. The keyboard is a product of modern electronic technology combined with music, it is a new type of keyboard instruments. And it plays an important role in modern music. Single chip has a powerful control functions and flexible programming characteristics. It has converged with modern peoples lives, become an irreplaceable part. The main content is AT89S51 control of the core components, Design of an electronic organ, single chip as a host to the core, with the keyboard, speakers and other core modules main control module, in the main control module has 16 keys and speakers. Stability of the system, its advantages are simple hardware circuits, software functions, control system reliability, high cost performance and have certain practical and reference value. Key words : single chip?MCU keyboard? speaker? electronic organ 目 录 第一章 设计方案分析 1 1.1设计背景 1 1.2 设计任务 1 2.1总体设计 1 第二章 电子琴总体电路图设计 3