基于单片机音乐播放系统设计目录1课题主要研究内容及总体设计方案................................................................................................11.1课题主要设计要求.......................................................................................................................11.2系统的总体设计方案分析...........................................................................................................11.2.1单片机的选取..........................................................................................................................11.2.2MP3模块的选取......................................................................................................................11.2.3显示模块的选取......................................................................................................................11.2.4红外发送、接收器的选取......................................................................................................11.3系统总体设计...............................................................................................................................22系统硬件电路设计............................................................................................................................32.1主控模块的设计.........................................................................................................................32.2复位电路的设计...........................................................................................................................42.3晶振电路的设计...........................................................................................................................42.4红外发送模块和红外接收电路的设计.......................................................................................52.5MP3模块的设计..........................................................................................................................62.6液晶显示模块的设计...................................................................................................................82.7电源电路的设计...........................................................................................................................93系统软件部分设计............................................................................................................................93.1主程序软件的设计.....................................................................................................................103.2LCD1602子程序函数软件设计.................................................................................................113.3MP3红外遥控功能按钮设计.....................................................................................................133.4MP3播放器解码过程.................................................................................................................144系统测试..........................................................................................................................................154.1测试仪器.....................................................................................................................................154.2功能测试.......................................................................................................................................
