基于STC12C5A60S2的波形发生器毕业论文设计.doc

目录 内容摘要......................................................................3 1.绪论........................................................................4 1.1 课题研究背景..........................................................4 1.2 单片机及STC125A60S2的介绍............................................4 1.3 研究的内容及意义......................................................5 1.4 论文的组织结构........................................................6 2.系统的总体设计..............................................................7 2.1 系统的设计要求........................................................7 2.1.1 系统主要功能....................................................7 2.1.2 系统组成........................................................7 2.2 系统的总体设计方案....................................................7 2.2.1 系统设计2.2.2 系统块的选2.2.3 系统终单RS-232串行通信模块.............................................12 3.2.5 独立按键输入模块...............................................13 3.2.6 系统电块 4.系统软件设计...............................................................14 4.1 系统软件总体设计.....................................................14 4.2 主要模块程序设计.....................................................15 4.2.1 按键模块程序...................................................15 4.2.2 串口接收模块程序...............................................17 4.2.3 波形产生模块程序...............................................17 4.2.4 显示模块程序...................................................18 5.系统的测试.................................................................20 5.1 测试工具和环境.......................................................20 5.2 测试流程.............................................................20 5.2.1 硬件数码管显示的测试...............................................20 5.2.2 上位机和波形输出测试...................................................21 6.结论.......................................................................23 6.1 系统功能.............................................................23 6.2 系统展望.............................................................23 6.3 心得体会.