Added new steelseries device-zones; prevent update-spam in steelseries updatetrigger

RGB.NET.Devices.SteelSeries/Generic/SteelSeriesDeviceUpdateTrigger.cs

@@ -29,7 +29,6 @@ namespace RGB.NET.Devices.SteelSeries
         /// <summary>
         /// Initializes a new instance of the <see cref="SteelSeriesDeviceUpdateTrigger"/> class.
         /// </summary>
-        /// <param name="updateRateHardLimit">The hard limit of the update rate of this trigger.</param>
         public SteelSeriesDeviceUpdateTrigger()
         { }
 
@@ -45,9 +44,11 @@ namespace RGB.NET.Devices.SteelSeries
 
         #region Methods
 
+        /// <inheritdoc />
         protected override void UpdateLoop()
         {
             OnStartup();
+
             while (!UpdateToken.IsCancellationRequested)
             {
                 if (HasDataEvent.WaitOne(Timeout))
@@ -58,18 +59,24 @@ namespace RGB.NET.Devices.SteelSeries
 
                     if (UpdateFrequency > 0)
                     {
-                        _lastUpdateTimestamp = Stopwatch.GetTimestamp();
                         double lastUpdateTime = ((_lastUpdateTimestamp - preUpdateTicks) / (double)TimeSpan.TicksPerMillisecond);
                         int sleep = (int)((UpdateFrequency * 1000.0) - lastUpdateTime);
                         if (sleep > 0)
                             Thread.Sleep(sleep);
                     }
                 }
-                else if (((Stopwatch.GetTimestamp() - _lastUpdateTimestamp) > FLUSH_TIMER))
+                else if ((_lastUpdateTimestamp > 0) && ((Stopwatch.GetTimestamp() - _lastUpdateTimestamp) > FLUSH_TIMER))
                     OnUpdate(new CustomUpdateData(("refresh", true)));
             }
         }
 
+        /// <inheritdoc />
+        protected override void OnUpdate(CustomUpdateData updateData = null)
+        {
+            base.OnUpdate(updateData);
+            _lastUpdateTimestamp = Stopwatch.GetTimestamp();
+        }
+
         #endregion
     }
 }