commandword.pas

ah 209型通用读卡器驱动程序源码

unit CommandWord;

interface
const
   HOST_CALL           = $01;  //主机呼叫 , 主机信息响应
   OPEN_VALVE          = $02;  //开阀命令 , 响应
   CLOSE_VALVE         = $03;  //关阀命令 , 响应
   SEND_CARD           = $05;  //发送卡号命令，响应
   RECV_CARD           = $06;  //收到卡号通报，响应
   COMMUNICATION_CHECK = $10;  //通讯检查命令 , 响应
implementation

end.