目录
摘 要 .............................................................................................................................................................i
Abstract ..........................................................................................................................................................ii
第一章 绪论 ................................................................................................................................................1
1.1 研究背景 .......................................................................................................................................1
1.2 设计的意义和目的 .......................................................................................................................1
1.3 系统设计总体要求 .......................................................................................................................2
1.4 系统设计的方案选择 ...................................................................................................................2
1.4.1 IC 卡的选择 .......................................................................................................................2
1.4.2 用户信息的存储 ................................................................................................................2
1.4.3 程序编写 ............................................................................................................................3
第二章 软件的总体设计 ............................................................................................................................4
2.1 系统软件设计思想 .......................................................................................................................4
2.2 系统软件逻辑组成 .......................................................................................................................4
2.3 系统流程图 ...................................................................................................................................4
第三章 软件各个模块的设计 ....................................................................................................................6
3.1 主程序 ...........................................................................................................................................6
3.2 rc522.c 程序 ..................................................................................................................................6
3.2.1 SPI 相关操作 .....................................................................................................................6
3.2.2 读 RC632 寄存器 ReadRaw(add).....................................................................................9
3.2.3 写 RC632 寄存器 Write(add,data)....................................................................................9
3.2.4 清除 RC632 寄存器 ClearBitMask(reg,mask) .................................................................9
3.2.5 设置 RC632 寄存器 SetBitMask(reg,mask).....................................................................9
3.2.6 通讯 PcdComMF522() .......................................................................................................9
3.2.7 寻卡 PcdRuquest(reg,*pTagType).....................................................................................9
3.2.8 放冲撞 PcdAnticoll(*psnr) ..............................................................................................10
3.2.9 Mc522 复位 PcdReset() ..................................................................................................10
3.2.10 开启天线 PcdAntennaOn() ............................................................................................10
3.2.11 关闭天线 PcdAntennaOff() ...........................................................................................10
3.2.12 端口的初始化 init_port_rc522()....................................................................................10
3.3 LCD.c .........................................................................................................................................11
3.3.1 LCD12864 写数据(write_com(cmd))..............................................................................11
3.3.2 LCD12864 写数据（write_data(dat)）...........................................................................11
3.3.3 LCD12864 定位显示数据 write_lcd(line,row,* str, len) ................................................12
3.3.4 LCD12863 定位显示数据 ...............................................................................................12
3.3.5 清屏 LCD12864（clr_screen()） ....................................................................................12
3.3.6 LCD12864 初始化(init_lcd) ..........................................................................................12
3.4 bell.c（蜂鸣器） ......................................................................................................................12
3.4.1 初始化蜂鸣器(init_bell()) ...............................................................................................13
3.4.2 蜂鸣器响(bell_poll()).......................................................................................................13
3.5 usart.c（串口通信）.................................................................................................................13
