目录
1 概述.........................................................................................................................1
1.1 电子琴设计目的及意义 .............................................................................1
1.2 设计任务 .....................................................................................................1
1.3 设计项目与功能简介 .................................................................................1
1.31 设计项目简介......................................................................................1
1.32 系统功能简介......................................................................................2
2 硬件设计及说明.....................................................................................................3
2.1 硬件系统设计................................................................................................3
2.2 元件简介........................................................................................................3
2.21 STC89C52............................................................................................3
2.22 蜂鸣器..................................................................................................4
2.23 矩阵键盘..............................................................................................5
2.24 LCD1602 .............................................................................................6
3 软件程序设计.........................................................................................................7
3.1 软件系统设计................................................................................................7
3.2 音乐相关知识.................................................................................................9
3.3 产生音频脉冲................................................................................................9
3.4 识别矩阵键盘..............................................................................................10
3.5 LCD 实时显示................................................................................................11
3.6 实时存储音律信息.......................................................................................13
4 系统调试...............................................................................................................13
4.1 硬件调试......................................................................................................13
4.2 软件调试.......................................................................................................13
5 课程设计个人分工及心得体会...........................................................................15
5.1 个人分工.......................................................................................................15
5.2 心得体会.......................................................................................................15
致谢.............................................................................................................................15
参考文献.....................................................................................................................16
附录.............................................................................................................................17
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2022-07-06
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