桂林电子科技大学毕业设计（论文） 第 III 页 共 III
目 录
1 绪论.................................................................................................................1
1.1 研究背景及意义 ........................................................1
1.2 国内研究现状...........................................................1
2 整体方案设计.................................................................................................3
2.1 系统概述 ..............................................................3
2.2 系统设计方案 ..........................................................3
3 硬件电路设计.................................................................................................4
3.1 硬件概述 ..............................................................4
3.2 单片机最小系统 ........................................................5
3.3 无线通信模块...........................................................7
4. 系统程序设计................................................................................................12
4.1 系统程序概述 .........................................................12
4.2 软件程序设计..........................................................13
4.2.1 无线功能模块........................................................13
4.2.2 LCD 显示模块........................................................19
4.2.3 按键输入模块 .......................................................19
4.2.4 语音播报模块 .......................................................21
5 系统整机调试...............................................................................................22
5.1 硬件功能调试..........................................................22
5.2 软件功能调试..........................................................22
结 论.................................................................................................................25
谢 辞.................................................................................................................26
参考文献.............................................................................................................27
附 录.................................................................................................................28
