/// <summary>
/// Read Segment Data Array form plc, use address tag name
/// </summary>
/// <param name="address">Tag name in plc</param>
/// <param name="startIndex">array start index</param>
/// <param name="length">array length</param>
/// <returns>Results Bytes</returns>
public OperateResult <byte[]> ReadSegment(string address, int startIndex, int length)
{
try
{
List <byte> bytesContent = new List <byte>( );
ushort alreadyFinished = 0;
while (alreadyFinished < length)
{
ushort readLength = (ushort)Math.Min(length - alreadyFinished, 100);
OperateResult <byte[]> read = ReadByCips(AllenBradleyHelper.PackRequestReadSegment(address, startIndex + alreadyFinished, readLength));
if (!read.IsSuccess)
{
return(read);
}
bytesContent.AddRange(read.Content);
alreadyFinished += readLength;
}
return(OperateResult.CreateSuccessResult(bytesContent.ToArray( )));
}
catch (Exception ex)
{
return(new OperateResult <byte[]>("Address Wrong:" + ex.Message));
}
}
/// <summary>
/// 使用指定的类型写入指定的节点数据 -> Writes the specified node data with the specified type
/// </summary>
/// <param name="address">节点的名称 -> Name of the node </param>
/// <param name="typeCode">类型代码，详细参见<see cref="AllenBradleyHelper"/>上的常用字段 -> Type code, see the commonly used Fields section on the <see cref= "AllenBradleyHelper"/> in detail</param>
/// <param name="value">实际的数据值 -> The actual data value </param>
/// <param name="length">如果节点是数组，就是数组长度 -> If the node is an array, it is the array length </param>
/// <returns>是否写入成功 -> Whether to write successfully</returns>
public OperateResult WriteTag(string address, ushort typeCode, byte[] value, int length = 1)
{
OperateResult <byte[]> command = BuildWriteCommand(address, typeCode, value, length);
if (!command.IsSuccess)
{
return(command);
}
OperateResult <byte[]> read = ReadFromCoreServer(command.Content);
if (!read.IsSuccess)
{
return(read);
}
OperateResult check = CheckResponse(read.Content);
if (!check.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(check));
}
return(AllenBradleyHelper.ExtractActualData(read.Content, false));
}
/// <summary>
/// 创建一个读取的报文指令
/// </summary>
/// <param name="address">tag名的地址</param>
/// <returns>包含结果对象的报文信息</returns>
public OperateResult <byte[]> BuildReadCommand(string address)
{
byte tmp = (byte)((address.Length + 1) / 2 + 1);
// UCMM 请求
byte[] buff = new byte[]
{
0x00, 0x00, 0x00, 0x00, // 接口句柄，默认CIP
0x01, 0x00, // 超时
0x02, 0x00, // 项目数量
0xA1, 0x00, // 基于连接的地址项（用户连接的消息）
0x04, 0x00, // 接下来的连接标识符的数据长度
0x00, 0x00, 0x00, 0x00, // 和打开应答帧中的O-T网络连接号相同，偏移量36
0xB1, 0x00, // 封装连接的传输数据包的数据项
0x31, 0x01, // 后面数据包的长度，48个字节 ======= [需要修改]
0x00, 0x01, // 序号，从1开始
0x0A, // 服务
0x02, // 请求路径大小
0x01, 0x24, 0x02, 0x20, // 请求路径，有可能会改变
0x00, 0x01, // 请求数据点的个数
0x00, 0x01, // 从服务数第一个字节算起，每个服务的偏移量
0x4C, // 服务标识
tmp, // 请求路径大小
0x91, // 扩展符号
0x01, // 数据大小，该服务所对应的PLC中的测点名大小
0x01, 0x02, // 数据内容，该服务所对应的PLC中的测点名
0x00, 0x01, // 服务命令指定数据
};
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x65, SessionHandle, buff)));
}
/// <summary>
/// 批量读取数据信息，数据长度为读取的数组长度信息 -> Bulk read data information, data length for read array length information
/// </summary>
/// <param name="address">节点的名称 -> Name of the node </param>
/// <param name="length">如果是数组，就为数组长度 -> In the case of arrays, the length of the array </param>
/// <returns>带有结果对象的结果数据 -> Result data with result object </returns>
public OperateResult <byte[]> Read(string[] address, int[] length)
{
// 指令生成 -> Instruction Generation
OperateResult <byte[]> command = BuildReadCommand(address, length);
if (!command.IsSuccess)
{
return(command);
}
// 核心交互 -> Core Interactions
OperateResult <byte[]> read = ReadFromCoreServer(command.Content);
if (!read.IsSuccess)
{
return(read);
}
// 检查反馈 -> Check Feedback
OperateResult check = CheckResponse(read.Content);
if (!check.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(check));
}
// 提取数据 -> Extracting data
return(AllenBradleyHelper.ExtractActualData(read.Content, true));
}
/// <summary>
/// Build a read command bytes
/// </summary>
/// <param name="address">the address of the tag name</param>
/// <param name="length">Array information, if not arrays, is 1 </param>
/// <returns>Message information that contains the result object </returns>
public OperateResult <byte[]> BuildReadCommand(string[] address, int[] length)
{
if (address == null || length == null)
{
return(new OperateResult <byte[]>("address or length is null"));
}
if (address.Length != length.Length)
{
return(new OperateResult <byte[]>("address and length is not same array"));
}
try
{
List <byte[]> cips = new List <byte[]>( );
for (int i = 0; i < address.Length; i++)
{
cips.Add(AllenBradleyHelper.PackRequsetRead(address[i], length[i]));
}
byte[] commandSpecificData = AllenBradleyHelper.PackCommandSpecificData(Slot, cips.ToArray( ));
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, commandSpecificData)));
}
catch (Exception ex)
{
return(new OperateResult <byte[]>("Address Wrong:" + ex.Message));
}
}
/// <summary>
/// 批量读取数据信息，数据长度无效
/// </summary>
/// <param name="address">节点的地址格式</param>
/// <returns>带有结果对象的结果数据</returns>
public OperateResult <byte[]> Read(string[] address)
{
// 指令生成
OperateResult <byte[]> command = BuildReadCommand(address);
if (!command.IsSuccess)
{
return(command);
}
// 核心交互
OperateResult <byte[]> read = ReadFromCoreServer(command.Content);
if (!read.IsSuccess)
{
return(read);
}
// 检查反馈
OperateResult check = CheckResponse(read.Content);
if (!check.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(check));
}
// 提取数据
return(AllenBradleyHelper.ExtractActualData(read.Content, true));
}
/// <summary>
/// 创建一个写入的报文指令
/// </summary>
/// <param name="address">起始地址</param>
/// <param name="typeCode">类型数据</param>
/// <param name="data">数据</param>
/// <returns>包含结果对象的报文信息</returns>
public OperateResult <byte[]> BuildWriteCommand(string address, ushort typeCode, byte[] data)
{
byte[] cip = AllenBradleyHelper.PackRequestWrite(address, typeCode, data);
byte[] commandSpecificData = AllenBradleyHelper.PackCommandSpecificData(cip);
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, commandSpecificData)));
}
private OperateResult <byte[]> ReadByCips(params byte[][] cips)
{
OperateResult <byte[]> read = ReadCipFromServer(cips);
if (!read.IsSuccess)
{
return(read);
}
// 提取数据 -> Extracting data
return(AllenBradleyHelper.ExtractActualData(read.Content, true));
}
/// <summary>
/// 创建一个读取的报文指令
/// </summary>
/// <param name="address">tag名的地址</param>
/// <returns>包含结果对象的报文信息</returns>
public OperateResult <byte[]> BuildReadCommand(string[] address)
{
List <byte[]> cips = new List <byte[]>( );
foreach (var add in address)
{
cips.Add(AllenBradleyHelper.PackRequsetRead(add));
}
byte[] commandSpecificData = AllenBradleyHelper.PackCommandSpecificData(cips.ToArray( ));
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, commandSpecificData)));
}
/// <summary>
/// Create a written message instruction
/// </summary>
/// <param name="address">The address of the tag name </param>
/// <param name="typeCode">Data type</param>
/// <param name="data">Source Data </param>
/// <param name="length">In the case of arrays, the length of the array </param>
/// <returns>Message information that contains the result object</returns>
public OperateResult <byte[]> BuildWriteCommand(string address, ushort typeCode, byte[] data, int length = 1)
{
try
{
byte[] cip = AllenBradleyHelper.PackRequestWrite(address, typeCode, data, length);
byte[] commandSpecificData = AllenBradleyHelper.PackCommandSpecificData(Slot, cip);
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, commandSpecificData)));
}
catch (Exception ex)
{
return(new OperateResult <byte[]>("Address Wrong:" + ex.Message));
}
}
/// <summary>
/// 使用CIP报文和服务器进行核心的数据交换
/// </summary>
/// <param name="cips">Cip commands</param>
/// <returns>Results Bytes</returns>
public OperateResult <byte[]> ReadCipFromServer(params byte[][] cips)
{
byte[] commandSpecificData = AllenBradleyHelper.PackCommandSpecificData(Slot, cips);
byte[] command = AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, commandSpecificData);
// 核心交互 -> Core Interactions
OperateResult <byte[]> read = ReadFromCoreServer(command);
if (!read.IsSuccess)
{
return(read);
}
// 检查反馈 -> Check Feedback
OperateResult check = CheckResponse(read.Content);
if (!check.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(check));
}
return(OperateResult.CreateSuccessResult(read.Content));
}
/// <summary>
/// 6F 00 3E 00 00 00 00 00
/// </summary>
/// <returns></returns>
public byte[] SendRRData( )
{
// UCMM 请求
byte[] buff = new byte[]
{
0x00, 0x00, 0x00, 0x00, // 接口句柄，默认CIP
0x20, 0x00, // 超时
0x02, 0x00, // 项目数量，由于使用了一个地址项目和一个数据项目
0x00, 0x00, // 地址类型ID，该字段应为0，表示一个UCMM消息
0x00, 0x00, // 长度，由于UCMM消息使用NULL地址项，所以该字段应为0
0xB2, 0x00, // 数据类型ID，该字段应该是0x00B2来封装UCMM
0x2E, 0x00, // 后面数据包的长度，46个字节
// MR数据请求包
0x54, // 服务
0x02, // 请求路径大小
0x20, 0x06, 0x24, 0x01, // 请求路径，有可能会改变
0x07, // Priority/time_tick
0xF9, // Time-out_ticks
0x00, 0x00, 0x00, 0x00, // O-T Network Connection ID
0x08, 0x00, 0xFE, 0x80, // T-O Network Connection ID 由驱动产生？？？
0x09, 0x00, // Connection Serial Number
0x4D, 0x00, // Verder ID
0x8B, 0x50, 0xD4, 0x0F, // Originator Serial Number 和T-O Network Connection ID相同
0x01, // 连接超时倍数
0x00, 0x00, 0x00, // 保留数据
0x00, 0x12, 0X7A, 0X00, // O-T RPI
0xF4, 0x43, // O-T 网络连接参数
0x00, 0x12, 0X7A, 0X00, // T-O RPI
0xF4, 0x43, // T-O 网络连接参数
0xA3, // 传输类型
0x02, // 传输路径大小，以字为单位
0x20, 0x02, 0x24, 0x01, // 连接路径，消息路由，实例
};
return(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, buff));
}
/// <summary>
/// 获取卸载一个已注册的会话的报文 ->
/// Get a message to uninstall a registered session
/// </summary>
/// <returns>字节报文信息 -> BYTE message information </returns>
public byte[] UnRegisterSessionHandle( )
{
return(AllenBradleyHelper.PackRequestHeader(0x66, SessionHandle, new byte[0]));
}
/// <summary>
/// 向PLC注册会话ID的报文 ->
/// Register a message with the PLC for the session ID
/// </summary>
/// <returns>报文信息 -> Message information </returns>
public byte[] RegisterSessionHandle( )
{
byte[] commandSpecificData = new byte[] { 0x01, 0x00, 0x00, 0x00, };
return(AllenBradleyHelper.PackRequestHeader(0x65, 0, commandSpecificData));
}
/// <summary>
/// 创建一个读取的报文指令
/// </summary>
/// <param name="address">tag名的地址</param>
/// <returns>包含结果对象的报文信息</returns>
public OperateResult <byte[]> BuildReadCommand(string address)
{
byte[] cip = AllenBradleyHelper.PackRequsetRead(address);
return(OperateResult.CreateSuccessResult(AllenBradleyHelper.PackRequestHeader(0x6F, SessionHandle, AllenBradleyHelper.PackCommandSpecificData2(NetWorkConnectionID, cip))));
}