Updates to Feedback logic for use in bridge classes, refactored into separate files. Added SerialFeedback class for use with serial stream data that doesn't use Funcs to compute value on update.

Essentials Core/PepperDashEssentialsBase/Feedbacks/FeedbackBase.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro;
+
+namespace PepperDash.Essentials.Core
+{
+	public abstract class Feedback
+	{
+		public event EventHandler<FeedbackEventArgs> OutputChange;
+
+		public virtual bool BoolValue { get { return false; } }
+		public virtual int IntValue { get { return 0; } }
+		public virtual string StringValue { get { return ""; } }
+        public virtual string SerialValue { get { return ""; } }
+
+		public Cue Cue { get; private set; }
+
+		public abstract eCueType Type { get; }
+
+		/// <summary>
+		/// Feedbacks can be put into test mode for simulation of events without real data. 
+		/// Using JSON debugging methods and the Set/ClearTestValue methods, we can simulate
+		/// Feedback behaviors
+		/// </summary>
+		public bool InTestMode { get; protected set; }
+
+		/// <summary>
+		/// Base Constructor - empty
+		/// </summary>
+		protected Feedback()
+		{
+		}
+
+		protected Feedback(Cue cue)
+		{
+			Cue = cue;
+		}
+
+		/// <summary>
+		/// Clears test mode and fires update.
+		/// </summary>
+		public void ClearTestValue()
+		{
+			InTestMode = false;
+			FireUpdate();
+		}
+
+		/// <summary>
+		/// Fires an update synchronously
+		/// </summary>
+		public abstract void FireUpdate();
+
+		/// <summary>
+		/// Fires the update asynchronously within a CrestronInvoke
+		/// </summary>
+		public void InvokeFireUpdate()
+		{
+			CrestronInvoke.BeginInvoke(o => FireUpdate());
+		}
+
+        ///// <summary>
+        ///// Helper method that fires event. Use this intstead of calling OutputChange
+        ///// </summary>
+        //protected void OnOutputChange()
+        //{
+        //    if (OutputChange != null) OutputChange(this, EventArgs.Empty);
+        //}
+
+        protected void OnOutputChange(bool value)
+        {
+            if (OutputChange != null) OutputChange(this, new FeedbackEventArgs(value));
+        }
+
+        protected void OnOutputChange(int value)
+        {
+            if (OutputChange != null) OutputChange(this, new FeedbackEventArgs(value));
+        }
+
+
+        protected void OnOutputChange(string value)
+        {
+            if (OutputChange != null) OutputChange(this, new FeedbackEventArgs(value));
+        }
+	}
+}