串口读卡设备通信协议

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1、串口读卡设备通信协议版本1.002004年9月17日广州致远电子有限公司目录第一部分物理层········································································································2第二部分数据链路层通信协议················································································3§1UART设置···································

2、··································································3§2数据帧·············································································································3第三部分网络层通信协议························································································5第四部分应

3、用层通信协议························································································6第五部分应用命令设置····························································································7§1协议控制类命令CmdType=0·································································7一读设备序

4、列号Cmd=A················································································8二设置地址Cmd=B························································································9三读地址Cmd=C·························································································10

5、四设置波特率Cmd=D··················································································11五搜索Cmd=E·····························································································12§2设备控制类命令CmdType=1·······························································14一读设备信息

6、Cmd=A··················································································15二配置读卡芯片Cmd=B··············································································16三关闭读卡芯片Cmd=C··············································································17四设置读卡类型Cmd=D··

7、············································································18五装载密码Cmd=E······················································································19六写读卡芯片寄存器Cmd=F·······································································20七读读卡芯片寄存器Cmd=G·