Implementation of the basic functionallity

AMWD.Protocols.Modbus.Common/Enums/ModbusErrorCode.cs

@@ -0,0 +1,76 @@
+using System.ComponentModel;
+
+namespace AMWD.Protocols.Modbus.Common
+{
+	/// <summary>
+	/// List of Modbus exception codes.
+	/// </summary>
+	public enum ModbusErrorCode : byte
+	{
+		/// <summary>
+		/// No error.
+		/// </summary>
+		[Description("No error")]
+		NoError = 0x00,
+
+		/// <summary>
+		/// Function code not valid/supported.
+		/// </summary>
+		[Description("Illegal function")]
+		IllegalFunction = 0x01,
+
+		/// <summary>
+		/// Data address not in range.
+		/// </summary>
+		[Description("Illegal data address")]
+		IllegalDataAddress = 0x02,
+
+		/// <summary>
+		/// The data value to set is not valid.
+		/// </summary>
+		[Description("Illegal data value")]
+		IllegalDataValue = 0x03,
+
+		/// <summary>
+		/// Slave device produced a failure.
+		/// </summary>
+		[Description("Slave device failure")]
+		SlaveDeviceFailure = 0x04,
+
+		/// <summary>
+		/// Ack
+		/// </summary>
+		[Description("Acknowledge")]
+		Acknowledge = 0x05,
+
+		/// <summary>
+		/// Slave device is working on another task.
+		/// </summary>
+		[Description("Slave device busy")]
+		SlaveDeviceBusy = 0x06,
+
+		/// <summary>
+		/// nAck
+		/// </summary>
+		[Description("Negative acknowledge")]
+		NegativeAcknowledge = 0x07,
+
+		/// <summary>
+		/// Momory Parity Error.
+		/// </summary>
+		[Description("Memory parity error")]
+		MemoryParityError = 0x08,
+
+		/// <summary>
+		/// Gateway of the device could not be reached.
+		/// </summary>
+		[Description("Gateway path unavailable")]
+		GatewayPath = 0x0A,
+
+		/// <summary>
+		/// Gateway device did no respond.
+		/// </summary>
+		[Description("Gateway target device failed to respond")]
+		GatewayTargetDevice = 0x0B
+	}
+}