L3系列非接觸式智能卡讀寫器C#開發包

 L3系列非接觸式智能卡讀寫器C#開發包在“LotusCardDriver.cs”文件中定義了，打開設備，關閉設備，密碼驗證，尋卡，防沖突，寫卡，讀卡等函數接口。

 public const int RT_NOT_HALT = 0x26;
        public const int RT_ALL = 0x52;
        public const int AM_A = 0x60;
        public const int AM_B = 0x61;
        /**
         * 打開設備
         *
         * @param strDeviceName
         *            串口設備名稱
         * @param nVID
         *            USB設備VID
         * @param nPID
         *            USB設備PID
         * @param nUsbDeviceIndex
         *            USB設備索引
         * @param unRecvTimeOut
         *            接收超時
         * @param pLotusCardExtendReadWriteCallBack 外部讀寫通道回調函數 只要針對ANDROID
         *             如果沒有設備寫權限時，可以使用外部USB或串口進行通訊，
         *             需要改造callBackProcess中相關代碼完成讀寫工作 目前范例提供USB操作
         * @return 句柄
         */

        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardOpenDevice", SetLastError = true,
             CharSet = CharSet.Ansi, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]
        public static extern int LotusCardOpenDevice(string pszDeviceName, int nVID, int nPID, int nUsbDeviceIndex,uint unRecvTimeOut, OnLotusCardExtendReadWriteCallBackFunc CallBackFunc);

        /**
         * 關閉設備
         *
         * @param nDeviceHandle
         *            設備句柄
         */
        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardCloseDevice", SetLastError = true,
             CharSet = CharSet.Auto, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]
        public static extern void LotusCardCloseDevice(int nDeviceHandle);

        /**
         * 蜂鳴
         * @param nDeviceHandle
         *            設備句柄
         * @param nDeviceHandle 設備句柄
         * @param nBeepLen 蜂鳴長度 毫秒為單位
         * @return true = 成功
         */
        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardBeep", SetLastError = true,
             CharSet = CharSet.Auto, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]
        public static extern int LotusCardBeep(int nDeviceHandle, int nBeepLen);


        /**
         * 尋卡
         *
         * @param nDeviceHandle
         *            設備句柄   
         * @param nRequestType
         *            請求類型
         * @param tLotusCardParam
         *            結果值 用里面的卡片類型
         * @return true = 成功
         */
        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardRequest", SetLastError = true,
             CharSet = CharSet.Auto, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]
        public static extern int LotusCardRequest(int nDeviceHandle, int nRequestType, ref LotusCardParamStruct sttLotusCardParam);

        /**
         * 防沖突
         *
         * @param nDeviceHandle
         *            設備句柄
         * @param tLotusCardParam
         *            結果值 用里面的卡號
         * @return true = 成功
         */
        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardAnticoll", SetLastError = true,
             CharSet = CharSet.Auto, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]
        public static extern int LotusCardAnticoll(int nDeviceHandle, ref LotusCardParamStruct sttLotusCardParam);

        /**
         * 選卡
         *
         * @param nDeviceHandle
         *            設備句柄
         * @param tLotusCardParam
         *            參數(使用里面的卡號)與結果值(使用里面的卡容量大小)
         * @return true = 成功
         */
        [DllImport("LotusCardDriver.dll", EntryPoint = "LotusCardSelect", SetLastError = true,
             CharSet = CharSet.Auto, ExactSpelling = false,
             CallingConvention = CallingConvention.StdCall)]

此處不一一列舉，詳情見“L3系列非接觸式智能卡讀寫器C#開發包范例源碼”。