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2014-10-10 update 1

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parallelbgls@outlook.com
2014-10-10 15:59:05 +08:00
parent 1a89292867
commit 4e5a67d799
3 changed files with 57 additions and 48 deletions
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1
Modbus.Net/ModBus.Net/ModBus.Net.csproj
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@@ -45,6 +45,7 @@
<Compile Include="BaseProtocal.cs" />
<Compile Include="BaseUtility.cs" />
<Compile Include="ComConnector.cs" />
<Compile Include="ModbusProtocalLinkerBytesExtend.cs" />
<Compile Include="ModbusUtility.cs" />
<Compile Include="ComProtocalLinker.cs" />
<Compile Include="ConfigurationManager.Designer.cs">

56
Modbus.Net/ModBus.Net/ModbusProtocalLinkerBytesExtend.cs Normal file
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@@ -0,0 +1,56 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ModBus.Net
{
/// <summary>
/// Tcp协议字节伸缩
/// </summary>
public class ModbusTcpProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
{
public override byte[] BytesExtend(byte[] content)
{
//Modbus/Tcp协议扩张，前面加6个字节，前面4个为0，后面两个为协议整体内容的长度
byte[] newFormat = new byte[6 + content.Length];
int tag = 0;
ushort leng = (ushort)content.Length;
Array.Copy(ValueHelper.Instance.GetBytes(tag), 0, newFormat, 0, 4);
Array.Copy(ValueHelper.Instance.GetBytes(leng), 0, newFormat, 4, 2);
Array.Copy(content, 0, newFormat, 6, content.Length);
return newFormat;
}
public override byte[] BytesDecact(byte[] content)
{
//Modbus/Tcp协议收缩，抛弃前面6个字节的内容
byte[] newContent = new byte[content.Length - 6];
Array.Copy(content, 6, newContent, 0, newContent.Length);
return newContent;
}
}
public class ModbusRtuProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
{
public override byte[] BytesExtend(byte[] content)
{
byte[] crc = new byte[2];
//Modbus/Rtu协议扩张，增加CRC校验
byte[] newFormat = new byte[content.Length + 2];
Crc16.GetInstance().GetCRC(content, ref crc);
Array.Copy(content, 0, newFormat, 0, content.Length);
Array.Copy(crc, 0, newFormat, newFormat.Length - 2, crc.Length);
return newFormat;
}
public override byte[] BytesDecact(byte[] content)
{
//Modbus/Rtu协议收缩，抛弃后面1个字节的内容
byte[] newContent = new byte[content.Length - 2];
Array.Copy(content, 0, newContent, 0, newContent.Length);
return newContent;
}
}
}

48
Modbus.Net/ModBus.Net/ProtocalLinkerBytesExtend.cs
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@@ -25,52 +25,4 @@ namespace ModBus.Net
/// <returns>收缩后的协议内容</returns>
public abstract byte[] BytesDecact(byte[] content);
}
/// <summary>
/// Tcp协议字节伸缩
/// </summary>
public class ModbusTcpProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
{
public override byte[] BytesExtend(byte[] content)
{
//Modbus/Tcp协议扩张，前面加6个字节，前面4个为0，后面两个为协议整体内容的长度
byte[] newFormat = new byte[6 + content.Length];
int tag = 0;
ushort leng = (ushort)content.Length;
Array.Copy(ValueHelper.Instance.GetBytes(tag), 0, newFormat, 0, 4);
Array.Copy(ValueHelper.Instance.GetBytes(leng), 0, newFormat, 4, 2);
Array.Copy(content, 0, newFormat, 6, content.Length);
return newFormat;
}
public override byte[] BytesDecact(byte[] content)
{
//Modbus/Tcp协议收缩，抛弃前面6个字节的内容
byte[] newContent = new byte[content.Length - 6];
Array.Copy(content, 6, newContent, 0, newContent.Length);
return newContent;
}
}
public class ModbusRtuProtocalLinkerBytesExtend : ProtocalLinkerBytesExtend
{
public override byte[] BytesExtend(byte[] content)
{
byte[] crc = new byte[2];
//Modbus/Rtu协议扩张，增加CRC校验
byte[] newFormat = new byte[content.Length + 2];
Crc16.GetInstance().GetCRC(content, ref crc);
Array.Copy(content, 0, newFormat, 0, content.Length);
Array.Copy(crc, 0, newFormat, newFormat.Length - 2, crc.Length);
return newFormat;
}
public override byte[] BytesDecact(byte[] content)
{
//Modbus/Rtu协议收缩，抛弃后面1个字节的内容
byte[] newContent = new byte[content.Length - 2];
Array.Copy(content, 0, newContent, 0, newContent.Length);
return newContent;
}
}
}