目 录
摘 要............................................................................................................................I
Abstract.........................................................................................................................II
第 1 章 绪论...............................................................................................................1
1.1 课题开发背景 ....................................................................................................1
1.2 目的和意义 ........................................................................................................1
1.3 国内外研究发展状况 .......................................................................................2
1.3.1 国外研究发展现状 ....................................................................................2
1.3.2 国内研究发展现状 ....................................................................................2
1.4 本文的主要研究问题 .......................................................................................3
第 2 章 系统的总体设计 ..........................................................................................5
2.1 系统模块总体设计............................................................................................5
2.2 系统硬件设计 ....................................................................................................6
2.3 系统软件设计 ....................................................................................................6
2.4 本章小结 ............................................................................................................7
第 3 章 系统硬件详细设计 ......................................................................................8
3.1 硬件系统总体方案设计 ...................................................................................8
3.2 各模块电路设计................................................................................................8
3.2.1 元器件的选择 ............................................................................................8
3.2.2 读卡器数据采集电路设计 .......................................................................8
3.2.3 串行 E
2
PROM 存储电路设计 ................................................................15
3.2.4 LCD1602 显示电路设计..........................................................................17
3.2.5 串口通讯电路设计 ..................................................................................19
3.2.6 报警电路设计 ..........................................................................................20
3.2.7 门控电路设计 ..........................................................................................21
3.2.8 键盘电路设计 ..........................................................................................21
3.3 本章小结 ...........................................................................................................22
第 4 章 系统软件详细设计 ....................................................................................23
4.1 软件结构框图 ..................................................................................................23
4.2 软件总体流程图..............................................................................................23
4.3 软件详细设计 ..................................................................................................24
4.3.1 密码子程序 ..............................................................................................24
4.3.2 数据采集子程序 ......................................................................................26
4.3.3 显示子程序 ..............................................................................................28
4.3.4 存储子程序 ..............................................................................................29
4.4 上位机设计.......................................................................................................30
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