详细介绍SWP协议协议（物理层，数据链路层，数据帧），基于SWP的NFC方案，工作模式与流程，实现SWP的关键技术-introduce the SWP protocal detailly,including three level,the NFC design based on SWP,work mode and procedure,the key techlolege about SWP and so on.

ETSI_TS_102_613_V7.3.0 SWP协议英文版，NFC学习必备-ETSI_TS_102_613_V7.3.0 SWP agreement in English, NFC learning essential

nfc模拟器源代码，有pcsc,swp,mifare相关代码和模拟-nfc emulator source code, pcsc, swp, mifare code and simulation