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毕业设计论文
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目 录
摘 要 .......................................................................................... VI ABSTRACT ................................................................................ VII 绪论 ............................................................................................... 1 1 主要器件和编程语言简介 ........................................................... 2 1.1本设计所用到的主要元器件 .............................................................. 2 1.2器件简介 ............................................................................................. 2 1.2.1 FPGA简介 .................................................................................. 2 1.2.2 单片机简介 ................................................................................. 3 1.2.3 DS1302简介 ................................................................................ 3 1.2.4 DS18B20简介 ................................................................................. 5 1.3 编程语言简介 ................................................................................... 6 1.3.1 .................................................................................... VHDL简介 6 1.3.2 .................................................................................C51语言简介 6 2 系统方案选择和论证 .................................................................. 8 2.1设计要求 ............................................................................................. 8 2.2各模块方案论证和选择 ..................................................................... 8 2.2.1控制器模块方案的论证和选择 ................................................. 8 2.2.2 水位控制模块方案的论证和选 ................................................. 9 2.2.3 水温控制模块方案的论证和选择 ............................................. 9 2.2.4 定时开关控制模块方案的论证和选择 ................................... 10 2.2.5 时钟模块方案的论证和选择 ................................................... 10 2.2.6 键盘模块方案的论证和选择 ................................................... 11 2.2.7 显示模块方案的论证和选择 ................................................... 11 2.3硬件系统框图和总体软件系统流程图 ........................................... 11 2.4硬系统总体电路图 ........................................................................... 14 2.4.1 FPGA模块电路图 ...................................................................... 14 2.4.2单片机控制模块电路图 ........................................................... 15
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3 .硬件电路组装调试 .................................................................. 17 3.1各模块的硬件组装 ........................................................................... 17 3.1.1 FPGA模块 .................................................................................. 17 3.1.2 单片机模块 ............................................................................... 18 3.2组装和改进系统硬件电路 ............................................................... 19 3.3各硬件电路调试方法 ....................................................................... 20 3.3.1 FPGA调试方法 .......................................................................... 20 3.3.2 继电器电路的调试方法 ........................................................... 21 4 .软件调试及仿真 ..................................................................... 22 4.1各模块的软件调试、仿真和实物测试 ........................................... 22 4.1.1 FPGA软件调试、仿真和实物测试 ........................................... 22 4.1.2 DS1302软件调试、仿真和实物测试 ...................................... 23 4.1.3 DS18B20软件调试、仿真和实物测试 .................................... 23 4.2整个系统软件调试、仿真和实物测试 ............................................ 24 4.2.1主程序的调试、仿真和实物测试 ............................................. 24 4.2.2水位调节子程序的调试、仿真和实物测试 ............................. 26 4.2.3水温调节子程序的调试、仿真和实物测试 ............................. 26 4.2.4定时开关子程序的调试、仿真和实物测试 ............................. 28 4.2.5校时程序仿真 ............................................................................. 29 4.2.6按键功能提示界面的程序仿真 ................................................. 30 4.2.7没有实现的第二定时功能提示界面的程序仿真 ..................... 30 5 .总体设计电路的优缺点总结及改进意见和展望 ....................... 31 5.1优点.................................................................................................... 31 5.2缺点.................................................................................................... 31 5.3改进意见和展望 ............................................................................... 31 结 论 ......................................................................................... 32 参考文献 ...................................................................................... 33
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