using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace TFT_MelsecMcNet
{
public class MelsecMcNet
{
#region Global Member
///
/// 单个数据字节的长度,西门子为2,三菱,欧姆龙,modbusTcp就为1,AB PLC无效
///
/// 对设备来说,一个地址的数据对应的字节数,或是1个字节或是2个字节
public ushort WordLength { get; set; } = 1;
///
/// 连接的IP地址
///
private string ipAddress = "127.0.0.1"; // 连接的IP地址
///
/// 端口号
///
private int port = 10000; // 端口号
///
/// TCP网络交互客户端对象
///
private TcpClient tcpClient = null;
///
/// 获取或是设置服务器的IP地址
///
///
/// 最好实在初始化的时候进行指定,当使用短连接的时候,支持动态更改,切换;当使用长连接后,无法动态更改
///
public string IpAddress
{
get
{
return ipAddress;
}
set
{
if (!string.IsNullOrEmpty(value))
{
if (!IPAddress.TryParse(value, out _))
{
throw new Exception("Ip地址输入异常,格式不正确!");
}
ipAddress = value;
}
else
{
ipAddress = "127.0.0.1";
}
}
}
///
/// 连接超时时间
///
public int connectTimeOut = 5000; // 连接超时时间设置
///
/// 接收数据的超时时间
///
public int receiveTimeOut = 10000; // 数据接收的超时时间
///
/// 发送数据的超时时间
///
public int sendTimeOut = 10000; // 数据发送的超时时间
///
/// 是否是长连接的状态
///
public bool isPersistentConn = false; // 是否处于长连接的状态
///
/// 当前的socket是否发生了错误
///
public bool IsSocketError = false; // 指示长连接的套接字是否处于错误的状态
///
/// 交互的混合锁
///
private readonly SimpleHybirdLock InteractiveLock; // 一次正常的交互的互斥锁
///
/// 获取或设置服务器的端口号
///
///
/// 最好实在初始化的时候进行指定,当使用短连接的时候,支持动态更改,切换;当使用长连接后,无法动态更改
///
///
/// 动态更改请参照IpAddress属性的更改。
///
public int Port
{
get
{
return port;
}
set
{
port = value;
}
}
///
/// 网络号,通常为0
///
///
/// 依据PLC的配置而配置,如果PLC配置了1,那么此处也填0,如果PLC配置了2,此处就填2,测试不通的话,继续测试0
///
public byte NetworkNumber { get; set; } = 0x00;
///
/// 网络站号,通常为0
///
///
/// 依据PLC的配置而配置,如果PLC配置了1,那么此处也填0,如果PLC配置了2,此处就填2,测试不通的话,继续测试0
///
public byte NetworkStationNumber { get; set; } = 0x00;
public Guid Token { get; set; }
///
/// Socket传输中的缓冲池大小
///
private readonly int SocketBufferSize = 4096;
///
/// 获取或设置数据解析的格式,默认DCBA,也即是无修改,可选ABCD,BADC,CDAB,DCBA格式,对于Modbus协议来说,默认ABCD
///
public DataFormatEnum DataFormat { get; set; }
///
/// 是否使用同步的网络通讯
///
public bool UseSynchronousNet { get; set; } = false;
#endregion Global Member
#region Constructor
///
/// 实例化一个三菱的Qna兼容3E帧协议的通讯对象
///
/// PLC的Ip地址
/// PLC的端口
/// 是否使用Socket长链接。默认值为:true,默认使用长链接
public MelsecMcNet(string ipAddress, int port, bool isPersistentConnected = true)
{
WordLength = 1;
IpAddress = ipAddress;
Port = port;
isPersistentConn = isPersistentConnected;
InteractiveLock = new SimpleHybirdLock(); // 实例化数据访问锁
DataFormat = DataFormatEnum.DCBA;
}
#endregion
#region Connect And Close
///
/// 连接TcpServer端。
///
/// 返回连接结果,如果失败的话(也即IsSuccess为False),包含失败信息
public OperateResult ConnectServer()
{
OperateResult result = new OperateResult();
// 重新连接之前,先将旧的数据进行清空
tcpClient?.Close();
tcpClient?.Dispose();
OperateResult rSocket = CreateSocketAndInitialication();
if (!rSocket.IsSuccess)
{
IsSocketError = true;
rSocket.Content = null;
result.Message = rSocket.Message;
}
else
{
tcpClient = rSocket.Content;
result.IsSuccess = true;
result.Message = rSocket.Message;
}
return result;
}
///
/// 连接并初始化网络套接字
///
/// 带有socket的结果对象
private OperateResult CreateSocketAndInitialication()
{
OperateResult result = CreateSocketAndConnect(new IPEndPoint(IPAddress.Parse(ipAddress), port), connectTimeOut);
if (result.IsSuccess)
{
// 初始化
OperateResult initi = InitializationOnConnect(result.Content);
if (!initi.IsSuccess)
{
result.Content?.Close();
result.IsSuccess = initi.IsSuccess;
result.CopyErrorFromOther(initi);
}
}
return result;
}
///
/// 连接上服务器后需要进行的初始化操作
///
/// 网络套接字
/// 是否初始化成功,依据具体的协议进行重写
///
/// 有些协议不需要握手信号,比如三菱的MC协议、Modbus协议;西门子和欧姆龙就存在握手信息;
///
private OperateResult InitializationOnConnect(TcpClient socket)
{
return OperateResult.CreateSuccessResult();
}
///
/// 创建一个新的socket对象并连接到远程的地址
///
/// 连接的目标终结点
/// 连接的超时时间
/// 返回套接字的封装结果对象
private OperateResult CreateSocketAndConnect(IPEndPoint endPoint, int timeOut)
{
tcpClient?.Close();
tcpClient = null;
tcpClient = new TcpClient
{
ReceiveTimeout = receiveTimeOut,
SendTimeout = sendTimeOut
};
try
{
SylTimeOut connectTimeout = new SylTimeOut()
{
WorkSocket = tcpClient,
DelayTime = timeOut
};
Task.Run(() => ThreadPoolCheckTimeOut(connectTimeout));//超时检查
tcpClient.Connect(endPoint);
connectTimeout.IsSuccessful = true;
return OperateResult.CreateSuccessResult(tcpClient);
}
catch (Exception ex)
{
tcpClient?.Close();
return OperateResult.CreateFailedResult(new OperateResult(ex.HResult, $"【{ex.Message}】-【{ex.StackTrace}】"));
}
}
///
/// 检查网络套接字是否操作超时,需要对套接字进行封装
///
/// 通常是 对象
private void ThreadPoolCheckTimeOut(SylTimeOut timeout)
{
while (!timeout.IsSuccessful)
{
Thread.Sleep(100);
if ((DateTime.Now - timeout.StartTime).TotalMilliseconds > timeout.DelayTime)
{
// 连接超时或是验证超时
if (!timeout.IsSuccessful)
{
timeout.Operator?.Invoke();
timeout.WorkSocket?.Close();
}
break;
}
}
}
///
/// 断开服务器的连接
///
/// 关闭连接,不需要查看IsSuccess属性查看
public OperateResult ConnectClose()
{
InteractiveLock.Enter();
// 额外操作
OperateResult result = ExtraOnDisconnect(tcpClient.Client);
// 关闭信息
tcpClient?.Close();
tcpClient?.Dispose();
InteractiveLock.Leave();
return result;
}
///
/// 在将要和服务器进行断开的情况下额外的操作,需要根据对应协议进行重写
///
/// 网络套接字
///
/// 目前暂无相关的示例,组件支持的协议都不用实现这个方法。
///
/// 当断开连接时额外的操作结果
private OperateResult ExtraOnDisconnect(Socket socket)
{
return OperateResult.CreateSuccessResult();
}
#endregion Connect And Close
#region Read Write Support
#region Read Bool
///
/// 从三菱PLC中批量读取位软元件,返回读取结果
///
/// 起始地址
/// 带成功标志的结果数据对象
/// 参照 方法
public OperateResult ReadBool(string address)
{
OperateResult read = ReadBool(address, 1);
if (!read.IsSuccess) return OperateResult.CreateFailedResult(read);
return OperateResult.CreateSuccessResult(read.Content[0]);
}
///
/// 从三菱PLC中批量读取位软元件,返回读取结果
///
/// 起始地址
/// 读取的长度
/// 带成功标志的结果数据对象
///
/// 地址支持的列表参考 的备注说明
///
public OperateResult ReadBool(string address, ushort length)
{
// 分析地址
OperateResult addressResult = McAnalysisAddress(address, length);
if (!addressResult.IsSuccess) return OperateResult.CreateFailedResult(addressResult);
// 获取指令
byte[] coreResult = MelsecHelper.BuildReadMcCoreCommand(addressResult.Content, true);
// 核心交互
var read = ReadFromCoreServer(PackMcCommand(coreResult, NetworkNumber, NetworkStationNumber));
if (!read.IsSuccess) return OperateResult.CreateFailedResult(read);
// 错误代码验证
ushort errorCode = BitConverter.ToUInt16(read.Content, 9);
if (errorCode != 0) return new OperateResult(errorCode, StringResources.Language.MelsecPleaseReferToManulDocument);
// 数据解析,需要传入是否使用位的参数
var extract = ExtractActualData(SoftBasic.BytesArrayRemoveBegin(read.Content, 11), true);
if (!extract.IsSuccess) return OperateResult.CreateFailedResult(extract);
// 转化bool数组
return OperateResult.CreateSuccessResult(extract.Content.Select(m => m == 0x01).Take(length).ToArray());
}
#endregion Read Bool
#region Read short
///
/// 读取设备的short类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadInt16(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadInt16(address, 1));
}
///
/// 读取设备的short类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadInt16(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength)), m => TransInt16(m, 0, length));
}
///
/// 从缓存中提取short结果
///
/// 缓存数据
/// 索引位置
/// short对象
private short TransInt16(byte[] buffer, int index)
{
return BitConverter.ToInt16(buffer, index);
}
///
/// 从缓存中提取short数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// short数组对象
private short[] TransInt16(byte[] buffer, int index, int length)
{
short[] tmp = new short[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransInt16(buffer, index + 2 * i);
}
return tmp;
}
#endregion Read short
#region Read ushort
///
/// 读取设备的ushort数据类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadUInt16(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadUInt16(address, 1));
}
///
/// 读取设备的ushort类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadUInt16(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength)), m => TransUInt16(m, 0, length));
}
///
/// 从缓存中提取ushort结果
///
/// 缓存数据
/// 索引位置
/// ushort对象
private ushort TransUInt16(byte[] buffer, int index)
{
return BitConverter.ToUInt16(buffer, index);
}
///
/// 从缓存中提取ushort数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// ushort数组对象
private ushort[] TransUInt16(byte[] buffer, int index, int length)
{
ushort[] tmp = new ushort[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransUInt16(buffer, index + 2 * i);
}
return tmp;
}
#endregion Read ushort
#region Read int
///
/// 读取设备的int类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadInt32(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadInt32(address, 1));
}
///
/// 读取设备的int类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadInt32(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 2)), m => TransInt32(m, 0, length));
}
///
/// 从缓存中提取int结果
///
/// 缓存数据
/// 索引位置
/// int对象
private int TransInt32(byte[] buffer, int index)
{
return BitConverter.ToInt32(ByteTransDataFormat4(buffer, index), 0);
}
///
/// 从缓存中提取int数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// int数组对象
private int[] TransInt32(byte[] buffer, int index, int length)
{
int[] tmp = new int[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransInt32(buffer, index + 4 * i);
}
return tmp;
}
#endregion Read int
#region Read uint
///
/// 读取设备的uint类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadUInt32(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadUInt32(address, 1));
}
///
/// 读取设备的uint类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
///
public OperateResult ReadUInt32(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 2)), m => TransUInt32(m, 0, length));
}
///
/// 从缓存中提取uint结果
///
/// 缓存数据
/// 索引位置
/// uint对象
private uint TransUInt32(byte[] buffer, int index)
{
return BitConverter.ToUInt32(ByteTransDataFormat4(buffer, index), 0);
}
///
/// 从缓存中提取uint数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// uint数组对象
private uint[] TransUInt32(byte[] buffer, int index, int length)
{
uint[] tmp = new uint[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransUInt32(buffer, index + 4 * i);
}
return tmp;
}
#endregion Read uint
#region Read long
///
/// 读取设备的long类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadInt64(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadInt64(address, 1));
}
///
/// 读取设备的long类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadInt64(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 4)), m => TransInt64(m, 0, length));
}
///
/// 从缓存中提取long结果
///
/// 缓存数据
/// 索引位置
/// long对象
private long TransInt64(byte[] buffer, int index)
{
return BitConverter.ToInt64(ByteTransDataFormat8(buffer, index), 0);
}
///
/// 从缓存中提取long数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// long数组对象
private long[] TransInt64(byte[] buffer, int index, int length)
{
long[] tmp = new long[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransInt64(buffer, index + 8 * i);
}
return tmp;
}
#endregion Read long
#region Read ulong
///
/// 读取设备的ulong类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadUInt64(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadUInt64(address, 1));
}
///
/// 读取设备的ulong类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadUInt64(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 4)), m => TransUInt64(m, 0, length));
}
///
/// 从缓存中提取ulong结果
///
/// 缓存数据
/// 索引位置
/// ulong对象
private ulong TransUInt64(byte[] buffer, int index)
{
return BitConverter.ToUInt64(ByteTransDataFormat8(buffer, index), 0);
}
///
/// 从缓存中提取ulong数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// ulong数组对象
private ulong[] TransUInt64(byte[] buffer, int index, int length)
{
ulong[] tmp = new ulong[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransUInt64(buffer, index + 8 * i);
}
return tmp;
}
#endregion Read ulong
#region Read float
///
/// 读取设备的float类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadFloat(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadFloat(address, 1));
}
///
/// 读取设备的float类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadFloat(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 2)), m => TransSingle(m, 0, length));
}
///
/// 从缓存中提取float结果
///
/// 缓存对象
/// 索引位置
/// float对象
private float TransSingle(byte[] buffer, int index)
{
return BitConverter.ToSingle(ByteTransDataFormat4(buffer, index), 0);
}
///
/// 从缓存中提取float数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// float数组对象
private float[] TransSingle(byte[] buffer, int index, int length)
{
float[] tmp = new float[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransSingle(buffer, index + 4 * i);
}
return tmp;
}
#endregion Read float
#region Read double
///
/// 读取设备的double类型的数据
///
/// 起始地址
/// 带成功标志的结果数据对象
public OperateResult ReadDouble(string address)
{
return ByteTransformHelper.GetResultFromArray(ReadDouble(address, 1));
}
///
/// 读取设备的double类型的数组
///
/// 起始地址
/// 数组长度
/// 带成功标志的结果数据对象
public OperateResult ReadDouble(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, (ushort)(length * WordLength * 4)), m => TransDouble(m, 0, length));
}
///
/// 从缓存中提取double结果
///
/// 缓存对象
/// 索引位置
/// double对象
private double TransDouble(byte[] buffer, int index)
{
return BitConverter.ToDouble(ByteTransDataFormat8(buffer, index), 0);
}
///
/// 从缓存中提取double数组结果
///
/// 缓存对象
/// 索引位置
/// 读取的数组长度
/// double数组对象
private double[] TransDouble(byte[] buffer, int index, int length)
{
double[] tmp = new double[length];
for (int i = 0; i < length; i++)
{
tmp[i] = TransDouble(buffer, index + 8 * i);
}
return tmp;
}
#endregion Read double
#region Read string
///
/// 读取设备的字符串数据,编码为ASCII
///
/// 起始地址
/// 地址长度
/// 带成功标志的结果数据对象
///
/// 以下为三菱的连接对象示例,其他的设备读写情况参照下面的代码:
///
///
public OperateResult ReadString(string address, ushort length)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, length), m => TransString(m, 0, m.Length, Encoding.ASCII));
}
///
/// 读取设备的字符串数据,编码为指定的编码信息
///
/// 起始地址
/// 地址长度
/// 编码机制
/// 带成功标志的结果数据对象
///
/// 以下为三菱的连接对象示例,其他的设备读写情况参照下面的代码:
///
///
public OperateResult ReadString(string address, ushort length, Encoding encoding)
{
return ByteTransformHelper.GetResultFromBytes(Read(address, length), m => TransString(m, 0, m.Length, encoding));
}
///
/// 从缓存中提取string结果,使用指定的编码
///
/// 缓存对象
/// 索引位置
/// byte数组长度
/// 字符串的编码
/// string对象
private string TransString(byte[] buffer, int index, int length, Encoding encoding)
{
byte[] tmp = TransByte(buffer, index, length);
return encoding.GetString(tmp);
}
#endregion Read string
#region Read byte array 读取PLC数据 核心代码
public OperateResult Read(string address)
{
OperateResult read = Read(address, 1);
if (!read.IsSuccess) return OperateResult.CreateFailedResult(read);
return OperateResult.CreateSuccessResult(read.Content[0]);
}
///
/// 从三菱PLC中读取想要的数据,输入地址,按照字单位读取,返回读取结果
///
/// 读取地址,格式为"M100","D100","W1A0"
/// 读取的数据长度,字最大值960,位最大值7168
/// 带成功标志的结果数据对象
///
/// 地址支持的列表参考 的备注说明
///
public OperateResult Read(string address, ushort length)
{
// 分析地址
OperateResult addressResult = McAnalysisAddress(address, length);
if (!addressResult.IsSuccess) return OperateResult.CreateFailedResult(addressResult);
List bytesContent = new List();
ushort alreadyFinished = 0;
while (alreadyFinished < length)
{
ushort readLength = (ushort)Math.Min(length - alreadyFinished, 900);
addressResult.Content.Length = readLength;
OperateResult read = ReadAddressData(addressResult.Content);
if (!read.IsSuccess) return read;
bytesContent.AddRange(read.Content);
alreadyFinished += readLength;
// 字的话就是正常的偏移位置,如果是位的话,就转到位的数据
if (addressResult.Content.McDataType.DataType == 0)
addressResult.Content.AddressStart += readLength;
else
addressResult.Content.AddressStart += readLength * 16;
}
return OperateResult.CreateSuccessResult(bytesContent.ToArray());
}
///
/// 分析地址的方法,允许派生类里进行重写操作
///
/// 地址信息
/// 数据长度
/// 解析后的数据信息
private OperateResult McAnalysisAddress(string address, ushort length)
{
return McAddressData.ParseMelsecFrom(address, length);
}
private OperateResult ReadAddressData(McAddressData addressData)
{
byte[] coreResult = MelsecHelper.BuildReadMcCoreCommand(addressData, false);
// 核心交互
var read = ReadFromCoreServer(PackMcCommand(coreResult, this.NetworkNumber, this.NetworkStationNumber));
if (!read.IsSuccess) return OperateResult.CreateFailedResult(read);
// 错误代码验证
ushort errorCode = BitConverter.ToUInt16(read.Content, 9);
if (errorCode != 0) return new OperateResult(errorCode, StringResources.Language.MelsecPleaseReferToManulDocument);
// 数据解析,需要传入是否使用位的参数
return ExtractActualData(SoftBasic.BytesArrayRemoveBegin(read.Content, 11), false);
}
///
/// 使用底层的数据报文来通讯,传入需要发送的消息,返回一条完整的数据指令
///
/// 发送的完整的报文信息
/// 接收的完整的报文信息
///
public OperateResult ReadFromCoreServer(byte[] send)
{
var result = new OperateResult();
InteractiveLock.Enter();
// 获取有用的网络通道,如果没有,就建立新的连接
OperateResult resultSocket = GetAvailableSocket();
if (!resultSocket.IsSuccess)
{
IsSocketError = true;
InteractiveLock.Leave();
result.CopyErrorFromOther(resultSocket);
return result;
}
OperateResult read = ReadFromCoreServer(resultSocket.Content, send);
if (read.IsSuccess)
{
IsSocketError = false;
result.IsSuccess = read.IsSuccess;
result.Content = read.Content;
result.Message = StringResources.Language.SuccessText;
}
else
{
IsSocketError = true;
result.CopyErrorFromOther(read);
}
ExtraAfterReadFromCoreServer(read);
InteractiveLock.Leave();
if (!isPersistentConn) resultSocket.Content?.Close();
return result;
}
///
/// 在其他指定的套接字上,使用报文来通讯,传入需要发送的消息,返回一条完整的数据指令
///
/// 指定的套接字
/// 发送的完整的报文信息
///
/// 无锁的基于套接字直接进行叠加协议的操作。
///
/// 接收的完整的报文信息
public OperateResult ReadFromCoreServer(TcpClient socket, byte[] send)
{
INetMessage netMessage = new MelsecQnA3EBinaryMessage
{
SendBytes = send
};
// send
OperateResult sendResult = Send(socket, send);
if (!sendResult.IsSuccess)
{
socket?.Close();
return OperateResult.CreateFailedResult(sendResult);
}
if (receiveTimeOut < 0) return OperateResult.CreateSuccessResult(new byte[0]);
// receive msg
OperateResult resultReceive = ReceiveByMessage(socket, receiveTimeOut, netMessage);
if (!resultReceive.IsSuccess)
{
socket?.Close();
return new OperateResult(StringResources.Language.ReceiveDataTimeout + receiveTimeOut);
}
// check
if (!netMessage.CheckHeadBytesLegal(Token.ToByteArray()))
{
socket?.Close();
return new OperateResult(StringResources.Language.CommandHeadCodeCheckFailed);
}
// Success
return OperateResult.CreateSuccessResult(resultReceive.Content);
}
///
/// 发送消息给套接字,直到完成的时候返回
///
/// 网络套接字
/// 字节数据
/// 发送是否成功的结果
protected OperateResult Send(TcpClient socket, byte[] data)
{
if (data == null) return OperateResult.CreateSuccessResult();
try
{
NetworkStream stream = socket.GetStream();
stream.Write(data, 0, data.Length);
//socket.Client.Send(data);
return OperateResult.CreateSuccessResult();
}
catch (Exception ex)
{
socket?.Close();
return new OperateResult(ex.Message);
}
}
///
/// 接收一条完整的 数据内容 ->
/// Receive a complete data content
///
/// 网络的套接字
/// 超时时间
/// 消息的格式定义
/// 带有是否成功的byte数组对象
protected OperateResult ReceiveByMessage(TcpClient socket, int timeOut, INetMessage netMessage)
{
SylTimeOut receiveTimeout = new SylTimeOut()
{
WorkSocket = tcpClient,
DelayTime = timeOut
};
Task.Run(() => ThreadPoolCheckTimeOut(receiveTimeout));//超时检查
// 接收指令头
OperateResult headResult = Receive(socket, netMessage.ProtocolHeadBytesLength);
if (!headResult.IsSuccess)
{
receiveTimeout.IsSuccessful = true;
return headResult;
}
netMessage.HeadBytes = headResult.Content;
int contentLength = netMessage.GetContentLengthByHeadBytes();
if (contentLength <= 0)
{
receiveTimeout.IsSuccessful = true;
return headResult;
}
OperateResult contentResult = Receive(socket, contentLength);
if (!contentResult.IsSuccess)
{
receiveTimeout.IsSuccessful = true;
return contentResult;
}
receiveTimeout.IsSuccessful = true;
netMessage.ContentBytes = contentResult.Content;
return OperateResult.CreateSuccessResult(SoftBasic.SpliceTwoByteArray(headResult.Content, contentResult.Content));
}
///
/// 接收固定长度的字节数组
///
///
/// Receive Special Length Bytes
///
/// 网络通讯的套接字
/// 准备接收的数据长度
/// 包含了字节数据的结果类
protected OperateResult Receive(TcpClient socket, int length)
{
if (length == 0) return OperateResult.CreateSuccessResult(new byte[0]);
if (UseSynchronousNet)
{
try
{
byte[] data = ReadBytesFromSocket(socket, length);
return OperateResult.CreateSuccessResult(data);
}
catch (Exception ex)
{
socket?.Close();
return new OperateResult($"【{ex.Message}】---【{ex.StackTrace}】");
}
}
NetworkStream stream = socket.GetStream();
OperateResult result = new OperateResult();
ManualResetEvent receiveDone = null;
StateObject state = null;
try
{
receiveDone = new ManualResetEvent(false);
state = new StateObject(length);
}
catch (Exception ex)
{
return new OperateResult($"【{ex.Message}】---【{ex.StackTrace}】");
}
try
{
state.WaitDone = receiveDone;
state.WorkSocket = socket;
// Begin receiving the data from the remote device.
//socket.BeginReceive(state.Buffer, state.AlreadyDealLength,state.DataLength - state.AlreadyDealLength, SocketFlags.None,new AsyncCallback(ReceiveCallback), state);
stream.BeginRead(state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength, new AsyncCallback(ReceiveCallback), state);
}
catch (Exception ex)
{
// 发生了错误,直接返回
result.Message = $"【{ex.Message}】---【{ex.StackTrace}】";
receiveDone.Close();
socket?.Close();
return result;
}
// 等待接收完成,或是发生异常
receiveDone.WaitOne();
receiveDone.Close();
stream.Flush();
// 接收数据失败
if (state.IsError)
{
socket?.Close();
result.Message = state.ErrerMsg;
return result;
}
// 远程关闭了连接
if (state.IsClose)
{
// result.IsSuccess = true;
result.Message = StringResources.Language.RemoteClosedConnection;
socket?.Close();
return result;
}
// 正常接收到数据
result.Content = state.Buffer;
result.IsSuccess = true;
state.Clear();
state = null;
return result;
}
#region 异步网络通讯
private void ReceiveCallback(IAsyncResult ar)
{
if (ar.AsyncState is StateObject state)
{
try
{
//Socket client = state.WorkSocket;
NetworkStream stream = state.WorkSocket.GetStream();
int bytesRead = stream.EndRead(ar);
if (bytesRead > 0)
{
// 接收到了数据
state.AlreadyDealLength += bytesRead;
if (state.AlreadyDealLength < state.DataLength)
{
// 获取接下来的所有的数据
//client.BeginReceive(state.Buffer, state.AlreadyDealLength,state.DataLength - state.AlreadyDealLength, SocketFlags.None,new AsyncCallback(ReceiveCallback), state);
stream.BeginRead(state.Buffer, state.AlreadyDealLength, state.DataLength - state.AlreadyDealLength, new AsyncCallback(ReceiveCallback), state);
}
else
{
// 接收到了所有的数据,通知接收数据的线程继续
state.WaitDone.Set();
}
}
else
{
// 对方关闭了网络通讯
state.IsClose = true;
state.WaitDone.Set();
}
}
catch (Exception ex)
{
state.IsError = true;
state.ErrerMsg = $"【{ex.Message}】---【{ex.StackTrace}】";
state.WaitDone.Set();
}
}
}
#endregion 异步网络通讯
#region 同步网络通讯
private byte[] ReadBytesFromSocket(TcpClient socket, int receive)
{
return ReadBytesFromSocket(socket, receive, null, false, false);
}
///
/// 读取socket数据的基础方法,只适合用来接收指令头,或是同步数据
///
/// 通信对象
/// 接收的长度
/// 用于报告接收进度的对象
/// 是否按照百分比报告进度
/// 是否回发接收数据长度
/// 接收到的字节数据
///
///
///
///
///
/// 接收数据的举例,输出报告,不根据百分比来产生报告,不回复接收进度。
///
public byte[] ReadBytesFromSocket(TcpClient socket, int receive, Action report, bool reportByPercent, bool response)
{
byte[] bytes_receive = new byte[receive];
int count_receive = 0;
long percent = 0;
NetworkStream stream = socket.GetStream();
while (count_receive < receive)
{
// 分割成2KB来接收数据
int receive_length = (receive - count_receive) >= SocketBufferSize ? SocketBufferSize : (receive - count_receive);
//count_receive += socket.Client.Receive(bytes_receive, count_receive, receive_length, SocketFlags.None);
count_receive += stream.Read(bytes_receive, count_receive, receive_length);
if (reportByPercent)
{
long percentCurrent = (long)count_receive * 100 / receive;
if (percent != percentCurrent)
{
percent = percentCurrent;
// 报告进度
report?.Invoke(count_receive, receive);
}
}
else
{
// 报告进度
report?.Invoke(count_receive, receive);
}
// 回发进度
if (response) socket.Client.Send(BitConverter.GetBytes((long)count_receive));
}
stream.Close();
return bytes_receive;
}
#endregion 同步网络通讯
///
/// 和服务器交互完成的时候调用的方法,无论是成功或是失败,都将会调用,具体的操作需要重写实现
///
/// 读取结果
private void ExtraAfterReadFromCoreServer(OperateResult read)
{
}
///
/// 获取本次操作的可用的网络套接字
///
/// 是否成功,如果成功,使用这个套接字
protected OperateResult GetAvailableSocket()
{
if (isPersistentConn) // 长连接模式
{
if (IsSocketError || tcpClient == null)
{
OperateResult connect = ConnectServer();
if (!connect.IsSuccess)
{
IsSocketError = true;
return OperateResult.CreateFailedResult(connect);
}
else
{
IsSocketError = false;
return OperateResult.CreateSuccessResult(tcpClient);
}
}
else
{
return OperateResult.CreateSuccessResult(tcpClient);
}
}
else // 短连接模式
{
return CreateSocketAndInitialication();
}
}
#endregion Read byte array 读取PLC数据 核心代码
#region Common method Helper
///
/// 反转多字节的数据信息
///
/// 数据字节
/// 起始索引,默认值为0
/// 实际字节信息
private byte[] ByteTransDataFormat4(byte[] value, int index = 0)
{
byte[] buffer = new byte[4];
switch (DataFormat)
{
case DataFormatEnum.ABCD:
{
buffer[0] = value[index + 3];
buffer[1] = value[index + 2];
buffer[2] = value[index + 1];
buffer[3] = value[index + 0];
break;
}
case DataFormatEnum.BADC:
{
buffer[0] = value[index + 2];
buffer[1] = value[index + 3];
buffer[2] = value[index + 0];
buffer[3] = value[index + 1];
break;
}
case DataFormatEnum.CDAB:
{
buffer[0] = value[index + 1];
buffer[1] = value[index + 0];
buffer[2] = value[index + 3];
buffer[3] = value[index + 2];
break;
}
case DataFormatEnum.DCBA:
{
buffer[0] = value[index + 0];
buffer[1] = value[index + 1];
buffer[2] = value[index + 2];
buffer[3] = value[index + 3];
break;
}
}
return buffer;
}
///
/// 反转多字节的数据信息
///
/// 数据字节
/// 起始索引,默认值为0
/// 实际字节信息
private byte[] ByteTransDataFormat8(byte[] value, int index = 0)
{
byte[] buffer = new byte[8];
switch (DataFormat)
{
case DataFormatEnum.ABCD:
{
buffer[0] = value[index + 7];
buffer[1] = value[index + 6];
buffer[2] = value[index + 5];
buffer[3] = value[index + 4];
buffer[4] = value[index + 3];
buffer[5] = value[index + 2];
buffer[6] = value[index + 1];
buffer[7] = value[index + 0];
break;
}
case DataFormatEnum.BADC:
{
buffer[0] = value[index + 6];
buffer[1] = value[index + 7];
buffer[2] = value[index + 4];
buffer[3] = value[index + 5];
buffer[4] = value[index + 2];
buffer[5] = value[index + 3];
buffer[6] = value[index + 0];
buffer[7] = value[index + 1];
break;
}
case DataFormatEnum.CDAB:
{
buffer[0] = value[index + 1];
buffer[1] = value[index + 0];
buffer[2] = value[index + 3];
buffer[3] = value[index + 2];
buffer[4] = value[index + 5];
buffer[5] = value[index + 4];
buffer[6] = value[index + 7];
buffer[7] = value[index + 6];
break;
}
case DataFormatEnum.DCBA:
{
buffer[0] = value[index + 0];
buffer[1] = value[index + 1];
buffer[2] = value[index + 2];
buffer[3] = value[index + 3];
buffer[4] = value[index + 4];
buffer[5] = value[index + 5];
buffer[6] = value[index + 6];
buffer[7] = value[index + 7];
break;
}
}
return buffer;
}
///
/// 将MC协议的核心报文打包成一个可以直接对PLC进行发送的原始报文
///
/// MC协议的核心报文
/// 网络号
/// 网络站号
/// 原始报文信息
private byte[] PackMcCommand(byte[] mcCore, byte networkNumber = 0, byte networkStationNumber = 0)
{
byte[] _PLCCommand = new byte[11 + mcCore.Length];
_PLCCommand[0] = 0x50; // 副标题
_PLCCommand[1] = 0x00;
_PLCCommand[2] = networkNumber; // 网络号
_PLCCommand[3] = 0xFF; // PLC编号
_PLCCommand[4] = 0xFF; // 目标模块IO编号
_PLCCommand[5] = 0x03;
_PLCCommand[6] = networkStationNumber; // 目标模块站号
_PLCCommand[7] = (byte)((_PLCCommand.Length - 9) % 256); // 请求数据长度
_PLCCommand[8] = (byte)((_PLCCommand.Length - 9) / 256);
_PLCCommand[9] = 0x0A; // CPU监视定时器
_PLCCommand[10] = 0x00;
mcCore.CopyTo(_PLCCommand, 11);
return _PLCCommand;
}
///
/// 从PLC反馈的数据中提取出实际的数据内容,需要传入反馈数据,是否位读取
///
/// 反馈的数据内容
/// 是否位读取
/// 解析后的结果对象
private OperateResult ExtractActualData(byte[] response, bool isBit)
{
if (isBit)
{
// 位读取
byte[] Content = new byte[response.Length * 2];
for (int i = 0; i < response.Length; i++)
{
if ((response[i] & 0x10) == 0x10)
{
Content[i * 2 + 0] = 0x01;
}
if ((response[i] & 0x01) == 0x01)
{
Content[i * 2 + 1] = 0x01;
}
}
return OperateResult.CreateSuccessResult(Content);
}
else
{
// 字读取
return OperateResult.CreateSuccessResult(response);
}
}
///
/// short数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(short[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 2];
for (int i = 0; i < values.Length; i++)
{
BitConverter.GetBytes(values[i]).CopyTo(buffer, 2 * i);
}
return buffer;
}
///
/// 从缓存中提取byte数组结果
///
/// 缓存数据
/// 索引位置
/// 读取的数组长度
/// byte数组对象
private byte[] TransByte(byte[] buffer, int index, int length)
{
byte[] tmp = new byte[length];
Array.Copy(buffer, index, tmp, 0, length);
return tmp;
}
///
/// ushort数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(ushort[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 2];
for (int i = 0; i < values.Length; i++)
{
BitConverter.GetBytes(values[i]).CopyTo(buffer, 2 * i);
}
return buffer;
}
///
/// int数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(int[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 4];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat4(BitConverter.GetBytes(values[i])).CopyTo(buffer, 4 * i);
}
return buffer;
}
///
/// uint数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(uint[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 4];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat4(BitConverter.GetBytes(values[i])).CopyTo(buffer, 4 * i);
}
return buffer;
}
///
/// long数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(long[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 8];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat8(BitConverter.GetBytes(values[i])).CopyTo(buffer, 8 * i);
}
return buffer;
}
///
/// ulong数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(ulong[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 8];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat8(BitConverter.GetBytes(values[i])).CopyTo(buffer, 8 * i);
}
return buffer;
}
///
/// float数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(float[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 4];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat4(BitConverter.GetBytes(values[i])).CopyTo(buffer, 4 * i);
}
return buffer;
}
///
/// double数组变量转化缓存数据
///
/// 等待转化的数组
/// buffer数据
private byte[] TransByte(double[] values)
{
if (values == null) return null;
byte[] buffer = new byte[values.Length * 8];
for (int i = 0; i < values.Length; i++)
{
ByteTransDataFormat8(BitConverter.GetBytes(values[i])).CopyTo(buffer, 8 * i);
}
return buffer;
}
///
/// 使用指定的编码字符串转化缓存数据
///
/// 等待转化的数据
/// 字符串的编码方式
/// buffer数据
private byte[] TransByte(string value, Encoding encoding)
{
if (value == null) return null;
return encoding.GetBytes(value);
}
#endregion Common method Helper
#region Write Bool
///
/// 向PLC中位软元件写入bool数组,返回值说明,比如你写入M100,values[0]对应M100
///
/// 要写入的数据地址
/// 要写入的实际数据,可以指定任意的长度
/// 返回写入结果
public OperateResult Write(string address, bool[] values)
{
// 分析地址
OperateResult addressResult = McAnalysisAddress(address, 0);
if (!addressResult.IsSuccess) return addressResult;
byte[] coreResult = MelsecHelper.BuildWriteBitCoreCommand(addressResult.Content, values);
// 核心交互
OperateResult read = ReadFromCoreServer(PackMcCommand(coreResult, NetworkNumber, NetworkStationNumber));
if (!read.IsSuccess) return read;
// 错误码校验
ushort ErrorCode = BitConverter.ToUInt16(read.Content, 9);
if (ErrorCode != 0) return new OperateResult(ErrorCode, StringResources.Language.MelsecPleaseReferToManulDocument);
// 成功
return OperateResult.CreateSuccessResult();
}
public OperateResult Write(string address, bool value)
{
return Write(address, new bool[1] { value });
}
#endregion Write Bool
#region Write short
///
/// 向设备中写入short数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, short[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入short数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, short value)
{
return Write(address, new short[1] { value });
}
#endregion Write short
#region Write ushort
///
/// 向设备中写入ushort数组,返回是否写入成功
///
/// 要写入的数据地址
/// 要写入的实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, ushort[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入ushort数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, ushort value)
{
return Write(address, new ushort[] { value });
}
#endregion Write ushort
#region Write int
///
/// 向设备中写入int数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, int[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入int数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, int value)
{
return Write(address, new int[] { value });
}
#endregion Write int
#region Write uint
///
/// 向设备中写入uint数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, uint[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入uint数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, uint value)
{
return Write(address, new uint[] { value });
}
#endregion Write uint
#region Write long
///
/// 向设备中写入long数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, long[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入long数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, long value)
{
return Write(address, new long[] { value });
}
#endregion Write long
#region Write ulong
///
/// 向P设备中写入ulong数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, ulong[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入ulong数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, ulong value)
{
return Write(address, new ulong[] { value });
}
#endregion Write ulong
#region Write float
///
/// 向设备中写入float数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 返回写入结果
public OperateResult Write(string address, float[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入float数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 返回写入结果
public OperateResult Write(string address, float value)
{
return Write(address, new float[] { value });
}
#endregion Write float
#region Write double
///
/// 向设备中写入double数组,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, double[] values)
{
return Write(address, TransByte(values));
}
///
/// 向设备中写入double数据,返回是否写入成功
///
/// 数据地址
/// 实际数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, double value)
{
return Write(address, new double[] { value });
}
#endregion Write double
#region Write string
///
/// 向设备中写入字符串,编码格式为ASCII
///
/// 数据地址
/// 字符串数据
/// 是否写入成功的结果对象
public OperateResult Write(string address, string value)
{
return Write(address, value, Encoding.ASCII);
}
///
/// 向设备中写入指定编码的字符串
///
/// 数据地址
/// 字符串数据
/// 字节编码
/// 是否写入成功的结果对象
public OperateResult Write(string address, string value, Encoding encoding)
{
byte[] temp = TransByte(value, encoding);
if (WordLength == 1) temp = SoftBasic.ArrayExpandToLengthEven(temp);
return Write(address, temp);
}
///
/// 向设备中写入指定长度的字符串,超出截断,不够补0,编码格式为ASCII
///
/// 数据地址
/// 字符串数据
/// 指定的字符串长度,必须大于0
/// 是否写入成功的结果对象 -> Whether to write a successful result object
public OperateResult Write(string address, string value, int length)
{
return Write(address, value, length, Encoding.ASCII);
}
///
/// 向设备中写入指定长度并且指定编码的字符串,超出截断,不够补0
///
/// 数据地址
/// 字符串数据
/// 指定的长度,按照转换后的字节计算
/// 字符编码
/// 是否写入成功的结果对象 -> Whether to write a successful result object
public OperateResult Write(string address, string value, int length, Encoding encoding)
{
byte[] temp = TransByte(value, encoding);
if (WordLength == 1) temp = SoftBasic.ArrayExpandToLengthEven(temp);
temp = SoftBasic.ArrayExpandToLength(temp, length);
return Write(address, temp);
}
///
/// 向设备中写入字符串,编码格式为Unicode
///
/// 数据地址
/// 字符串数据
/// 是否写入成功的结果对象
private OperateResult WriteUnicodeString(string address, string value)
{
byte[] temp = TransByte(value, Encoding.Unicode);
return Write(address, temp);
}
///
/// 向设备中写入指定长度的字符串,超出截断,不够补0,编码格式为Unicode
///
/// 数据地址
/// 字符串数据
/// 指定的字符串长度,必须大于0
/// 是否写入成功的结果对象 -> Whether to write a successful result object
private OperateResult WriteUnicodeString(string address, string value, int length)
{
byte[] temp = TransByte(value, Encoding.Unicode);
temp = SoftBasic.ArrayExpandToLength(temp, length * 2);
return Write(address, temp);
}
#endregion Write string
#region Write byte array 向PLC写入数据 核心代码
///
/// 向PLC写入数据,数据格式为原始的字节类型
///
/// 初始地址
/// 原始的字节数据
/// 结果
public OperateResult Write(string address, byte[] value)
{
// 分析地址
OperateResult addressResult = McAnalysisAddress(address, 0);
if (!addressResult.IsSuccess) return OperateResult.CreateFailedResult(addressResult);
return WriteAddressData(addressResult.Content, value);
}
public OperateResult Write(string address, byte value)
{
return Write(address, new byte[] { value });
}
private OperateResult WriteAddressData(McAddressData addressData, byte[] value)
{
// 创建核心报文
byte[] coreResult = MelsecHelper.BuildWriteWordCoreCommand(addressData, value);
// 核心交互
OperateResult read = ReadFromCoreServer(PackMcCommand(coreResult, NetworkNumber, NetworkStationNumber));
if (!read.IsSuccess) return read;
// 错误码校验
ushort ErrorCode = BitConverter.ToUInt16(read.Content, 9);
if (ErrorCode != 0) return new OperateResult(ErrorCode, StringResources.Language.MelsecPleaseReferToManulDocument);
// 成功
return OperateResult.CreateSuccessResult();
}
#endregion Write byte array 向PLC写入数据 核心代码
#endregion Read Write Support
}
///
/// 应用于多字节数据的解析或是生成格式
///
public enum DataFormatEnum
{
///
/// 按照顺序排序
///
ABCD = 0,
///
/// 按照单字反转
///
BADC = 1,
///
/// 按照双字反转
///
CDAB = 2,
///
/// 按照倒序排序
///
DCBA = 3,
}
}