For the software, it mainly studies the implementation of contact-less IC card read-write course, the design of communication protocol between read-write module and host computer.
在软件方面重点研究了非接触式IC卡读写过程的实现，读写器与上位机的通讯协议设计。
Stephanie cannot read (she used to read avidly) or write (not even a greeting on a birthday card).
Stephanie已不再能够读(她过去酷爱阅读)写(甚至连生日贺卡也不会写了)。
Finally, the read-write card software flow chart, and realization procedure is presented.
最后给出了读写卡的软件流程图，及具体的实现程序。
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