【正文】 太原理工大學畢業(yè)設計 (論文 )用紙 1 目 錄 摘要 ........................................................................................................................................... 1 Abstract ...................................................................................................................................... 2 第 1 章 緒論 ............................................................................................................................... 3 研究背景 ....................................................................................................................... 3 設計的意義和目的 ......................................................................................................... 3 系統(tǒng)設計總體要求 .......................................................................................................... 4 系統(tǒng)設計的方案選擇 ...................................................................................................... 4 IC 卡的選擇 .......................................................................................................... 4 用戶信息的存儲 .................................................................................................... 4 程序編寫 .............................................................................................................. 5 第 2 章 軟件的總體設計 ............................................................................................................. 5 系統(tǒng)軟件設計思想 .......................................................................................................... 5 系統(tǒng)軟件邏輯組成 .......................................................................................................... 5 系統(tǒng)流程圖 .................................................................................................................... 6 第三章 軟件各個模塊的設計 ...................................................................................................... 6 主程序 ........................................................................................................................... 6 ................................................................................................................. 7 SPI 相關操作 ： ..................................................................................................... 7 讀 RC632 寄存器 ReadRaw(add) ............................................................................ 9 寫 RC632 寄存器 Write(add,data) .........................................................................10 清除 RC632寄存器 ClearBitMask(reg,mask) ..........................................................10 設置 RC632 寄存器 SetBitMask(reg,mask) ............................................................10 通訊 PcdComMF522() ...........................................................................................10 尋卡 PcdRuquest(reg,*pTagType) ...........................................................................10 放沖撞 PcdAnticoll(*psnr) .....................................................................................10 Mc522 復位 PcdReset() ........................................................................................ 11 開啟天線 PcdAntennaOn() ................................................................................... 11 關閉天線 PcdAntennaOff()................................................................................... 11 端口的初始化 init_port_rc522() ........................................................................... 11 ............................................................................................................12 LCD12864 寫數(shù)據(jù) (write_(cmd)) ....................................................................12 LCD12864 寫數(shù)據(jù)（ write_data(dat)） .................................................................12 LCD12864 定位顯示數(shù)據(jù) write_lcd(line,row,* str, len) ..........................................12 LCD12863 定位顯示數(shù)據(jù)以 l6 進制形式顯示主要用于顯示卡號write_lcd_hex( line,row,*Buf,Len )..................................................................................13 清屏 LCD12864（ clr_screen()） ...........................................................................13 LCD12864 初始化 (init_lcd) ...................................................................................13 （蜂鳴器） ............................................................................................................13 初始化 蜂鳴器 (init_bell()) ......................................................................................14 蜂鳴器響 (bell_poll()) ...........................................................................................14 太原理工大學畢業(yè)設計 (論文 )用紙 2 （串口通信） .....................................................................................................14 USART 數(shù)據(jù)寄存器 ———— UDR ........................................................................15 USART 控制和狀態(tài)寄存器 UCSRA ....................................................................16 USART 控制和狀態(tài)寄存器 UCSRB .....................................................................16 USART 控制和狀態(tài)寄存器 UCSRC ...................................................................17 波特率寄存器 UBRRL 和 UBRRH........................................................................18 初始化串口 (init_usart()) ........................................................................................18 發(fā)送數(shù)據(jù) (send_data(data)) .....................................................................................18 接受數(shù)據(jù) receive_data ...........................................................................................18 連接數(shù)據(jù)庫以及 PC的串口程序 .....................................................................................19 連接數(shù)據(jù)庫 .........................................................................................................19 PC