using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

namespace RFIDServicePlate
{
    public class RFID
    {
        /// <summary>
        /// 连接多标签读写器设备
        /// </summary>
        /// <param name="optype">多标签读写器连接类型，0为网口，1为USB口，2为串口，默认值 0;</param>
        /// <param name="ip">多标签读写器IP地址，连接类型不为0时会被忽略，默认值“192.168.0.222”</param>
        /// <param name="port">多标签读写器端口，连接类型不为0时会被忽略，默认值 9909</param>
        /// <param name="com">多标签读写器串口号，连接类型不为2时会被忽略</param>
        /// <param name="rate">多标签读写器串口波特率，连接类型不为2时会被忽略，默认值 38400</param>
        /// <param name="opframe">多标签读写器串口帧结构，连接类型不为2时会被忽略，默认值 8E1</param>
        /// <returns>0：成功；其他：失败</returns>
        [DllImport("ReadRfid.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern int InitRFIDConn(int optype, string ip, string port, string com, string rate, string opframe);

        /// <summary>
        /// 初始化多标签读写器标签读写参数
        /// </summary>
        /// <param name="secno">标签扇区号，默认值0</param>
        /// <param name="blkno">标签数据块号，默认值2</param>
        /// <param name="BlkLen">数据内容长度，默认值3</param>
        /// <param name="verifylen">标签验证长度，默认值4</param>
        /// <param name="verifybklno">标签验证块号默认值1</param>
        /// <param name="ifencrypt">标签是否加密 默认值true</param>
        /// <returns>0：成功；其他：失败</returns>
        [DllImport("ReadRfid.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern int InitRFIDTagConfig(int secno, int blkno, int BlkLen, int verifylen, int verifybklno, bool ifencrypt);

        /// <summary>
        /// 读取多标签数据
        /// </summary>
        /// <returns>读取到的标签列表，Key（16字节）+Item（6字节）+Num(2字节
        /// Key为标签ID，Item为菜品编号，Num 为菜品数量。 
        /// Num= 00时，代表拼盘的菜品为半份，读到多个标签时，标签信息之间用 @符号分隔</returns>
        [DllImport("ReadRfid.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern string TryReadRFTag();

        /// <summary>
        /// 写入多标签数据
        /// Item为菜品编号，Num 为菜品数量。
        /// Item不足6位时，前边补0至六位；Num= 00时，代表拼盘的菜品为半份。Num范围00-99。
        /// </summary>
        /// <param name="Dishstr"> 写入数据格式 Item（6字节）+Num(2字节）</param>
        /// <returns>写卡结果</returns>
        [DllImport("ReadRfid.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern string TryWriteRFTag(string Dishstr);

        /// <summary>
        /// 释放非托管资源 ，关闭多标签连接
        /// </summary>
        /// <returns>0：释放成功；其它：释放失败</returns>
        [DllImport("ReadRfid.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
        public static extern int Dis_pose();
    }
}