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300 lines
11 KiB
C#

using HslCommunication.Core;
using HslCommunication.Serial;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HslCommunication.BasicFramework;
namespace HslCommunication.Profinet.LSIS
{
/// <summary>
/// XGB Cnet I/F module supports Serial Port.
/// </summary>
public class XGBCnet : SerialDeviceBase<RegularByteTransform>
{
#region Constructor
/// <summary>
/// Instantiate a Default object
/// </summary>
public XGBCnet()
{
WordLength = 2;
ByteTransform = new RegularByteTransform();
}
#endregion
#region Public Member
/// <summary>
/// PLC Station No.
/// </summary>
public byte Station { get; set; } = 0x05;
#endregion
#region Read Write Byte
/// <summary>
/// Read single byte value from plc
/// </summary>
/// <param name="address">Start address</param>
/// <returns>result</returns>
public OperateResult<byte> ReadByte(string address)
{
var read = Read(address, 2);
if (!read.IsSuccess) return OperateResult.CreateFailedResult<byte>(read);
return OperateResult.CreateSuccessResult(read.Content[0]);
}
/// <summary>
/// Write single byte value to plc
/// </summary>
/// <param name="address">Start address</param>
/// <param name="value">value</param>
/// <returns>Whether to write the successful</returns>
public OperateResult Write(string address, byte value)
{
return Write(address, new byte[] { value });
}
/// <summary>
/// WriteCoil
/// </summary>
/// <param name="address"></param>
/// <param name="value"></param>
/// <returns></returns>
public OperateResult WriteCoil(string address, bool value)
{
return Write(address, new byte[] { (byte)(value ? 0x01 : 0x00), 0x00 });
}
#endregion
#region Read Write Support
/// <summary>
/// Read Bytes From PLC, you should specify the length
/// </summary>
/// <param name="address">the address of the data</param>
/// <param name="length">the length of the data, in byte unit</param>
/// <returns>result contains whether success.</returns>
public override OperateResult<byte[]> Read(string address, ushort length)
{
OperateResult<byte[]> command = BuildReadByteCommand(Station, address, length);
if (!command.IsSuccess) return command;
OperateResult<byte[]> read = ReadBase(command.Content);
if (!read.IsSuccess) return read;
return ExtractActualData(read.Content, true);
}
/// <summary>
/// Write Data into plc, , you should specify the address
/// </summary>
/// <param name="address">the address of the data</param>
/// <param name="value">source data</param>
/// <returns>result contains whether success.</returns>
public override OperateResult Write(string address, byte[] value)
{
OperateResult<byte[]> command = BuildWriteByteCommand(Station, address, value);
if (!command.IsSuccess) return command;
OperateResult<byte[]> read = ReadBase(command.Content);
if (!read.IsSuccess) return read;
return ExtractActualData(read.Content, false);
}
#endregion
#region Object Override
/// <summary>
/// Returns a string representing the current object
/// </summary>
/// <returns><3E>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>Ϣ</returns>
public override string ToString()
{
return $"XGBCnet[{PortName}:{BaudRate}]";
}
#endregion
#region Static Helper
/// <summary>
/// reading address Type of ReadByte
/// </summary>
/// <param name="station">plc station</param>
/// <param name="address">address, for example: M100, D100, DW100</param>
/// <param name="length">read length</param>
/// <returns>command bytes</returns>
private static OperateResult<byte[]> BuildReadByteCommand(byte station, string address, ushort length)
{
var analysisResult = XGBFastEnet.AnalysisAddress(address, true);
if (!analysisResult.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(analysisResult);
List<byte> command = new List<byte>();
command.Add(0x05); // ENQ
command.AddRange(SoftBasic.BuildAsciiBytesFrom(station));
command.Add(0x72); // command r
command.Add(0x53); // command type: SB
command.Add(0x42);
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)analysisResult.Content.Length));
command.AddRange(Encoding.ASCII.GetBytes(analysisResult.Content));
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)length));
command.Add(0x04); // EOT
int sum = 0;
for (int i = 0; i < command.Count; i++)
{
sum += command[i];
}
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)sum));
return OperateResult.CreateSuccessResult(command.ToArray());
}
/// <summary>
/// One reading address Type of ReadByte
/// </summary>
/// <param name="station">plc station</param>
/// <param name="address">address, for example: MX100, DW100, TW100</param>
/// <param name="length">read length</param>
/// <returns></returns>
private static OperateResult<byte[]> BuildReadOneCommand(byte station, string address, ushort length)
{
var analysisResult = XGBFastEnet.AnalysisAddress(address, true);
if (!analysisResult.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(analysisResult);
List<byte> command = new List<byte>();
command.Add(0x05); // ENQ
command.AddRange(SoftBasic.BuildAsciiBytesFrom(station));
command.Add(0x72); // command r
command.Add(0x53); // command type: SS
command.Add(0x53);
command.Add(0x01); // Number of blocks
command.Add(0x00);
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)analysisResult.Content.Length));
command.AddRange(Encoding.ASCII.GetBytes(analysisResult.Content));
command.Add(0x04); // EOT
int sum = 0;
for (int i = 0; i < command.Count; i++)
{
sum += command[i];
}
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)sum));
return OperateResult.CreateSuccessResult(command.ToArray());
}
/// <summary>
/// write data to address Type of ReadByte
/// </summary>
/// <param name="station">plc station</param>
/// <param name="address">address, for example: M100, D100, DW100</param>
/// <param name="value">source value</param>
/// <returns>command bytes</returns>
private static OperateResult<byte[]> BuildWriteByteCommand(byte station, string address, byte[] value)
{
var analysisResult = XGBFastEnet.AnalysisAddress(address, false);
if (!analysisResult.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(analysisResult);
var DataTypeResult = XGBFastEnet.GetDataTypeToAddress(address);
if (!DataTypeResult.IsSuccess) return OperateResult.CreateFailedResult<byte[]>(DataTypeResult);
List<byte> command = new List<byte>();
command.Add(0x05); // ENQ
command.AddRange(SoftBasic.BuildAsciiBytesFrom(station));
command.Add(0x77); // command w
command.Add(0x53); // command type: S
switch (DataTypeResult.Content)
{
case "Bit":
case "Byte":
command.Add(0x53); // command type: SS
command.Add(0x30); // Number of blocks
command.Add(0x31);
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)analysisResult.Content.Length));
command.AddRange(Encoding.ASCII.GetBytes(analysisResult.Content));
break;
case "Word":
case "DWord":
case "LWord":
case "Continuous":
command.Add(0x42); // command type: SB
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)analysisResult.Content.Length));
command.AddRange(Encoding.ASCII.GetBytes(analysisResult.Content));
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)value.Length));
break;
default: break;
}
command.AddRange(SoftBasic.BytesToAsciiBytes(value));
command.Add(0x04); // EOT
int sum = 0;
for (int i = 0; i < command.Count; i++)
{
sum += command[i];
}
command.AddRange(SoftBasic.BuildAsciiBytesFrom((byte)sum));
return OperateResult.CreateSuccessResult(command.ToArray());
}
/// <summary>
/// Extract actual data form plc response
/// </summary>
/// <param name="response">response data</param>
/// <param name="isRead">read</param>
/// <returns>result</returns>
public static OperateResult<byte[]> ExtractActualData(byte[] response, bool isRead)
{
try
{
if (isRead)
{
if (response[0] == 0x06)
{
byte[] buffer = new byte[response.Length - 13];
Array.Copy(response, 10, buffer, 0, buffer.Length);
return OperateResult.CreateSuccessResult(SoftBasic.AsciiBytesToBytes(buffer));
}
else
{
byte[] buffer = new byte[response.Length - 9];
Array.Copy(response, 6, buffer, 0, buffer.Length);
return new OperateResult<byte[]>(BitConverter.ToUInt16(SoftBasic.AsciiBytesToBytes(buffer), 0), "Data:" + SoftBasic.ByteToHexString(response));
}
}
else
{
if (response[0] == 0x06)
{
return OperateResult.CreateSuccessResult(new byte[0]);
}
else
{
byte[] buffer = new byte[response.Length - 9];
Array.Copy(response, 6, buffer, 0, buffer.Length);
return new OperateResult<byte[]>(BitConverter.ToUInt16(SoftBasic.AsciiBytesToBytes(buffer), 0), "Data:" + SoftBasic.ByteToHexString(response));
}
}
}
catch (Exception ex)
{
return new OperateResult<byte[]>(ex.Message);
}
}
#endregion
}
}