2015-10-23 update 1 fix a bug and add FBox Connection

Modbus.Net/ModBus.Net/FBox/FBoxUtility.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ModBus.Net.FBox
+{
+    public enum FBoxType
+    {
+        AddressSync = 0,
+        CommunicationTagSync = 1
+    }
+
+    public class FBoxUtility :BaseUtility
+    {
+        private FBoxType _fboxType;
+        private SignalRSigninMsg SigninMsg { get; set; }
+        
+        protected IEnumerable<CommunicationUnit> CommunicationUnits { get; set; } 
+        public FBoxType ConnectionType
+        {
+            get
+            {
+                return _fboxType;
+            }
+            set
+            {
+                _fboxType = value;
+                switch (_fboxType)
+                {
+                    case FBoxType.AddressSync:
+                        {
+                            throw new NotImplementedException();
+                        }
+                    case FBoxType.CommunicationTagSync:
+                        {
+                            Wrapper = new FBoxSignalRProtocal(ConnectionString, SigninMsg);
+                            break;
+                        }
+                }
+            }
+        }
+
+        public FBoxUtility(FBoxType fBoxType, string connectionString, IEnumerable<CommunicationUnit> communicationUnits, SignalRSigninMsg msg)
+        {
+            ConnectionString = connectionString;
+            CommunicationUnits = communicationUnits.AsEnumerable();
+            SigninMsg = msg;
+
+            ConnectionType = fBoxType;           
+            AddressTranslator = new AddressTranslatorFBox();
+        }
+
+        public override void SetConnectionType(int connectionType)
+        {
+            ConnectionType = (FBoxType) connectionType;
+        }
+
+        protected override async Task<byte[]> GetDatasAsync(byte belongAddress, byte masterAddress, string startAddress, int getByteCount)
+        {
+            try
+            {
+                var readRequestFBoxInputStruct = new ReadRequestFBoxInputStruct(startAddress, (ushort)getByteCount, AddressTranslator);
+                var readRequestSimenseOutputStruct =
+                     (ReadRequestFBoxOutputStruct)await
+                         Wrapper.SendReceiveAsync(Wrapper[typeof(ReadRequestFBoxProtocal)], readRequestFBoxInputStruct);
+                return readRequestSimenseOutputStruct.GetValue;
+            }
+            catch (Exception)
+            {
+                return null;
+            }
+        }
+
+        public override Task<bool> SetDatasAsync(byte belongAddress, byte masterAddress, string startAddress, object[] setContents)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}