第4章  PC机与单片机串口通信程序设计\4.2.1  单片机端C51程序\4.2.1.1  利用Keil C51实现单片机与PC机串口通信任务1\pccom.c
...................................\......................\4.2.1.1  利用Keil C51实现单片机与PC机串口通信任务1
...................................\......................\......2  利用Keil C51实现单片机与PC机串口通信任务2（方法1）\mcu.c
...................................\......................\4.2.1.2  利用Keil C51实现单片机与PC机串口通信任务2（方法1）
...................................\......................\......3  利用Keil C51实现单片机与PC机串口通信任务2（方法2）\mcu.c
...................................\......................\4.2.1.3  利用Keil C51实现单片机与PC机串口通信任务2（方法2）
...................................\......................\Keil
...................................\4.2.1  单片机端C51程序
...................................\....2  利用C++Builder实现PC机与单片机串口通信程\4.2.2.1  利用C++ Builder实现PC机与单片机串口通信任务1\dpj.cpp
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...................................\...............................................\4.2.2.1  利用C++ Builder实现PC机与单片机串口通信任务1
...................................\...............................................\......2  利用C++ Builder实现PC机与单片机串口通信任务2（方法1）\dpj.bpr
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