using System.Runtime.InteropServices;

namespace MainForm
{
    class InovancePlc
    { 
        /// <summary>
        /// H3U 软元件
        /// </summary>
        public enum Soft
        {
            REGI_H3U_Y = 0x20,      //Y元件的定义	
            REGI_H3U_X = 0x21,      //X元件的定义							
            REGI_H3U_S = 0x22,      //S元件的定义				
            REGI_H3U_M = 0x23,      //M元件的定义							
            REGI_H3U_TB = 0x24,     //T位元件的定义				
            REGI_H3U_TW = 0x25,     //T字元件的定义				
            REGI_H3U_CB = 0x26,     //C位元件的定义				
            REGI_H3U_CW = 0x27,     //C字元件的定义				
            REGI_H3U_DW = 0x28,     //D字元件的定义				
            REGI_H3U_CW2 = 0x29,    //C双字元件的定义
            REGI_H3U_SM = 0x2a,     //SM
            REGI_H3U_SD = 0x2b,     //
            REGI_H3U_R = 0x2c,       //

                    //H5u
            REGI_H5U_Y = 0x30,       //Y元件的定义	
            REGI_H5U_X = 0x31,      //X元件的定义							
            REGI_H5U_S = 0x32,      //S元件的定义				
            REGI_H5U_M = 0x33,      //M元件的定义	
            REGI_H5U_B = 0x34,       //B元件的定义
            REGI_H5U_D = 0x35,       //D字元件的定义
            REGI_H5U_R = 0x36,       //R字元件的定义
        }

        #region 声明
        /// <summary>
        /// 创建网络连接
        /// </summary>
        /// <param name="sIpAddr">以太网IP地址</param>
        /// <param name="nNetId">网络链接编号,用于标记是第几条网络链接,取值范围0~255,默认0 </param>
        /// <param name="IpPort">以太网端口号,默认502(modbusTcp协议默认端口号为502)</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "Init_ETH_String", CallingConvention = CallingConvention.Cdecl)]
        public static extern bool Init_ETH_String(string sIpAddr, int nNetId = 0, int IpPort = 502);

        /// <summary>
        /// 关闭网络连接 
        /// </summary>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "Exit_ETH", CallingConvention = CallingConvention.Cdecl)]
        private static extern bool Exit_ETH(int nNetId = 0);

        /// <summary>
        /// 写入位状态(X,Y,M,C,T等软元件)
        /// 注意 : X和Y元件地址需为8进制; 
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始位置</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">写入的数据数组，byte=0关闭软元件，byte=1打开软元件</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_Bit(Soft eType, int nStartAddr, int nCount, byte[] pValue, int nNetId = 0);

        /// <summary>
        /// 写入16位有符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始位置</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">写入的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem_Int16", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_Int16(Soft eType, int nStartAddr, int nCount, short[] pValue, int nNetId = 0);

        /// <summary>
        /// 写入32位有符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始位置</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">写入的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem_Int32", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_Int32(Soft eType, int nStartAddr, int nCount, int[] pValue, int nNetId = 0);

        /// <summary>
        /// 写入16位无符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始位置</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">写入的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem_UInt16", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_UInt16(Soft eType, int nStartAddr, int nCount, ushort[] pValue, int nNetId = 0);

        /// <summary>
        /// 写入32位无符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始位置</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">写入的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem_UInt32", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_UInt32(Soft eType, int nStartAddr, int nCount, uint[] pValue, int nNetId = 0);

        /// <summary>
        /// 写入32位浮点数
        /// </summary>
        /// <param name="eType"></param>
        /// <param name="nStartAddr"></param>
        /// <param name="nCount"></param>
        /// <param name="pValue"></param>
        /// <param name="nNetId"></param>
        /// <returns></returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Write_Soft_Elem_Float", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Write_Soft_Elem_Float(Soft eType, int nStartAddr, int nCount, float[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取位状态(X,Y,M,C,T等软元件)
        /// 注意 : X和Y元件地址需为8进制; 
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的软元件状态数组，byte=0为关闭，byte=1为打开</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_Bit(Soft eType, int nStartAddr, int nCount, byte[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取16位有符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem_Int16", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_Int16(Soft eType, int nStartAddr, int nCount, short[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取32位有符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem_Int32", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_Int32(Soft eType, int nStartAddr, int nCount, int[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取16位无符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem_UInt16", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_UInt16(Soft eType, int nStartAddr, int nCount, ushort[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取32位无符号整形
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem_UInt32", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_UInt32(Soft eType, int nStartAddr, int nCount, uint[] pValue, int nNetId = 0);

        /// <summary>
        /// 读取32位浮点数
        /// </summary>
        /// <param name="eType">软元件类型，使用SoftElemType枚举</param>
        /// <param name="nStartAddr">软元件起始地址</param>
        /// <param name="nCount">软元件个数</param>
        /// <param name="pValue">读取的数据数组</param>
        /// <param name="nNetId">网络链接编号,与Init_ETH()调用的ID一样</param>
        /// <returns>1 成功  0 失败</returns>
        [DllImport("StandardModbusApi.dll", EntryPoint = "H3u_Read_Soft_Elem_Float", CallingConvention = CallingConvention.Cdecl)]
        private static extern int H3u_Read_Soft_Elem_Float(Soft eType, int nStartAddr, int nCount, float[] pValue, int nNetId = 0);

        [DllImport("StandardModbusApi.dll", EntryPoint = "H5u_Write_Soft_Elem", CallingConvention = CallingConvention.Cdecl)]
        public static extern int H5u_Write_Soft_Elem(Soft eType, int nStartAddr, int nCount, byte[] pValue, int nNetId = 0);
        [DllImport("StandardModbusApi.dll", EntryPoint = "H5u_Read_Device_Block", CallingConvention = CallingConvention.Cdecl)]
        public static extern int H5u_Read_Device_Block(Soft eType, int nStartAddr, int nCount, byte[] pValue, int nNetId = 0);
        #endregion

        #region 字段
        // PLC 编号
        private int _card = 0;   
        /// <summary>
        /// 获取或设置PLC的编号
        /// </summary>
        public int Card
        {
            get { return _card; }
            set { _card = value; }
        }

        // PLC IP地址
        private string _ip = "192.168.1.89";
        /// <summary>
        /// 获取或设置PLC的IP地址
        /// </summary>
        public string IP
        {
            get { return _ip; }
            set { _ip = value; }
        }

        // PLC 端口号
        private int _port = 502;
        /// <summary>
        /// 获取或设置PLC的端口号
        /// </summary>
        public int Port
        {
            get { return _port; }
            set { _port = value; }
        }

        // 打开状态
        private bool _openStatus = false;
        /// <summary>
        /// 获取PLC的打开状态
        /// </summary>
        public bool OpenStatus
        {
            get { return _openStatus; }
        }
        #endregion

        #region 公有字段
        #endregion

        /// <summary>
        /// 构造函数，设置PLC的编号、IP、端口属性
        /// </summary>
        /// <param name="card">PLC 编号</param>
        /// <param name="ip">PLC IP地址</param>
        /// <param name="port">PLC 端口号</param>
        public InovancePlc(int card, string ip, int port)
        {
            this._card = card;
            this._ip = ip;
            this._port = port;
        }

        #region 封装
        /// <summary>
        /// 打开连接
        /// </summary>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool Open()
        {
            if (!_openStatus)
            {
                _openStatus = Init_ETH_String(_ip, _card, _port);
                return _openStatus;
            }
            else
                return true;
        }

        /// <summary>
        /// 关闭连接
        /// </summary>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool Close()
        {
            _openStatus = false;
            return Exit_ETH(_card);
        }

        /// <summary>
        /// 写入位状态(位寄存器)
        /// 注意 : X和Y元件地址需为8进制
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_Bit(Soft softName, int softNum, int softCount, bool[] writeData)
        {
            byte[] data = new byte[writeData.Length];
            for (int i = 0; i < writeData.Length; i++)
            {
                data[i] = writeData[i] == true ? (byte)1 : (byte)0;
            }
            int rtn = H3u_Write_Soft_Elem_Bit(softName, softNum, softCount, data, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 写入16位有符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_Int16(Soft softName, int softNum, int softCount, short[] writeData)
        {
            int rtn = H3u_Write_Soft_Elem_Int16(softName, softNum, softCount, writeData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 写入16位无符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_UInt16(Soft softName, int softNum, int softCount, ushort[] writeData)
        {
            int rtn = H3u_Write_Soft_Elem_UInt16(softName, softNum, softCount, writeData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 写入32位有符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_Int32(Soft softName, int softNum, int softCount, int[] writeData)
        {
            int count = softCount * 2;
            int rtn = H3u_Write_Soft_Elem_Int32(softName, softNum, count, writeData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 写入32位无符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_UInt32(Soft softName, int softNum, int softCount, uint[] writeData)
        {
            int count = softCount * 2;
            int rtn = H3u_Write_Soft_Elem_UInt32(softName, softNum, count, writeData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 写入32位浮点型
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="writeData">写入的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Write_Float(Soft softName, int softNum, int softCount, float[] writeData)
        {
            int count = softCount * 2;
            int rtn = H3u_Write_Soft_Elem_Float(softName, softNum, count, writeData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取位状态(位寄存器)
        /// 注意 : X和Y元件地址需为8进制
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_Bit(Soft softName, int softNum, int softCount, ref bool[] readData)
        {
            byte[] data = new byte[readData.Length];
            int rtn = H3u_Read_Soft_Elem_Bit(softName, softNum, softCount, data, _card);
            for (int i = 0; i < readData.Length; i++)
            {
                readData[i] = data[i] == 1 ? true : false;
            }
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取16位有符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_Int16(Soft softName, int softNum, int softCount, ref short[] readData)
        {
            int rtn = H3u_Read_Soft_Elem_Int16(softName, softNum, softCount, readData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取16位无符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_UInt16(Soft softName, int softNum, int softCount, ref ushort[] readData)
        {
            int rtn = H3u_Read_Soft_Elem_UInt16(softName, softNum, softCount, readData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取32位有符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_Int32(Soft softName, int softNum, int softCount, ref int[] readData)
        {
            int count = softCount * 2;
            int rtn = H3u_Read_Soft_Elem_Int32(softName, softNum, count, readData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取32位无符号整形
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_UInt32(Soft softName, int softNum, int softCount, ref uint[] readData)
        {
            int count = softCount * 2;
            int rtn = H3u_Read_Soft_Elem_UInt32(softName, softNum, count, readData, _card);
            return rtn == 1 ? true : false;
        }

        /// <summary>
        /// 读取32位有符号浮点型
        /// </summary>
        /// <param name="softName">软元件类型</param>
        /// <param name="softNum">起始软元件编号</param>
        /// <param name="softCount">软元件数量</param>
        /// <param name="readData">读取的数据</param>
        /// <returns>TRUE 成功  FALSE 失败</returns>
        public bool H3u_Read_Float(Soft softName, int softNum, int softCount, ref float[] readData)
        {
            int count = softCount * 2;
            int rtn = H3u_Read_Soft_Elem_Float(softName, softNum, count, readData, _card);
            return rtn == 1 ? true : false;
        }
        #endregion
    }
}