【正文】 目 錄摘 要 .............................................................................................VABSTRACT ...................................................................................VI緒論 .................................................................................................11 主要器件和編程語言簡介 .............................................................2 本設(shè)計所用到的主要元器件 ..............................................................2 器件簡介 .............................................................................................2 FPGA 簡介 .................................................................................2 單片機簡介 .................................................................................3 DS1302 簡介 ................................................................................3 DS18B20 簡介 .................................................................................5 編程語言簡介 ...................................................................................6....................................................................................VHDL 簡介6 ................................................................................C51 語言簡介62 系統(tǒng)方案選擇和論證 ....................................................................8 設(shè)計要求 .............................................................................................8 各模塊方案論證和選擇 .....................................................................8 控制器模塊方案的論證和選擇 .................................................8 水位控制模塊方案的論證和選 .................................................9 水溫控制模塊方案的論證和選擇 .............................................9 定時開關(guān)控制模塊方案的論證和選擇 ...................................10 時鐘模塊方案的論證和選擇 ...................................................10 鍵盤模塊方案的論證和選擇 ...................................................11 顯示模塊方案的論證和選擇 ...................................................11 硬件系統(tǒng)框圖和總體軟件系統(tǒng)流程圖 ...........................................11 硬系統(tǒng)總體電路圖 ...........................................................................14 FPGA 模塊電路圖 ......................................................................14 單片機控制模塊電路圖 ...........................................................153 .硬件電路組裝調(diào)試 ....................................................................17 各模塊的硬件組裝 ...........................................................................17 FPGA 模塊 ..................................................................................17 單片機模塊 ...............................................................................18 組裝和改進系統(tǒng)硬件電路 ...............................................................19 各硬件電路調(diào)試方法 .......................................................................20 FPGA 調(diào)試方法 ..........................................................................20 繼電器電路的調(diào)試方法 ...........................................................214 .軟件調(diào)試及仿真 .......................................................................22 各模塊的軟件調(diào)試、仿真和實物測試 ...........................................22 FPGA 軟件調(diào)試、仿真和實物測試 ...........................................22 DS1302 軟件調(diào)試、仿真和實物測試 ......................................23 DS18B20 軟件調(diào)試、仿真和實物測試 ....................................23 整個系統(tǒng)軟件調(diào)試、仿真和實物測試 ............................................24 主程序的調(diào)試、仿真和實物測試 .............................................24 水位調(diào)節(jié)子程序的調(diào)試、仿真和實物測試 .............................26 水溫調(diào)節(jié)子程序的調(diào)試、仿真和實物測試 .............................26 定時開關(guān)子程序的調(diào)試、仿真和實物測試 .............................28 校時程序仿真 .............................................................................29 按鍵功能提示界面的程序仿真 .................................................30 沒有實現(xiàn)的第二定時功能提示界面的程序仿真 .....................305 .總體設(shè)計電路的優(yōu)缺點總結(jié)及改進意見和展望 .........................31 優(yōu)點 ...................................................................................................31 缺點 ...................................................................................................31 改進意見和展望 ...............................................................................31結(jié) 論 ...........................................................................................32參考文獻 ........................................................................................33附錄 A：VHDL 語言源程序 ...............................................................34附錄 B： C51 語言程序主程序名及頭文件名 ..................................35致 謝 ...........................................................................................36插圖索引圖 1 DS1302 封裝圖 ..................................................................................................................4圖 2 KEIL uVision2 C51 編譯器所支持的數(shù)據(jù)類型 .............................................................7圖 3 智能熱水器系統(tǒng)設(shè)計總體框圖 .....................................................................................12圖 4 FPGA 控制器設(shè)計總體框圖 ..........................................................................................12圖 5 MCU 控制器設(shè)計總體框圖 ............................................................................................12圖 6 矩陣鍵盤特征值分布圖 .................................................................................................13圖 7 總體程序流程圖 .............................................................................................................13圖 8 校時、調(diào)溫功能按鍵分布圖及對應(yīng)特征值 .................................................................14圖 9 FPGA 控制模塊電路圖 ..................................................................................................15圖 10 單片機控制模塊電路圖 ...............................................................................................16圖 11 自制水位傳感器 ...........................................................................................................17圖 12 繼電器驅(qū)動電路 ...........................................................................................................17圖 13 矩陣鍵盤電路 ..........