目录摘要............................................................................IVABSTRACT.........................................................................51、绪论..........................................................................61.1课题的背景...............................................................61.2病床呼叫发展状况.........................................................61.3研究的主要内容...........................................................62、总体方案设计..................................................................73、芯片资料简介..................................................................83.1无线收发模块.............................................................83.1.1nRF24L01概述.......................................................83.1.2引脚功能及描述....................................................83.1.3工作模式..........................................................93.1.4工作原理.........................................................103.1.5配置字...........................................................113.2LCD1602液晶显示模块.................................................123.2.1LCD1602的特性及使用说明...........................................123.3STC89C52单片机简介.....................................................153.3.1单片机的引脚功能描述..............................................154、硬件系统的设计...............................................................174.1硬件系统设计总体方案....................................................174.2单片机最小系统..........................................................184.3单片机的时钟电路与复位电路设计..........................................194.4液晶显示模块............................................................194.5按键模块电路............................................................204.6电源模块................................................................204.8无线传输模块............................................................215、软件系统的设计与系统功能实现.................................................225.1软件设计原则及编程思路..................................................225.2主程序流程图设计........................................................225.2.1发送部分..........................................................225.2.2接收部分..........................................................225.3子程序设计..............................................................235.3.1无线发射模块软件设计..............................................235.3.2无线接收模块软件设计..............................................255.4调试步骤................................................................255.5实验结果................................................................266、总结评价.....................................................................26致谢............................................................................27参考文献........................................................................27附录1从机整体电路原理图........................................................28附录2主机整体电路原理图........................................................28附录3从机元器件清单............................................................29附录4主机元器件清单............................................................29附...
