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DataPRO/IService/.svn/pristine/21/21dd421492d9415e3c1176cec86174e26ac0a0ca.svn-base

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+using System;
+
+// ReSharper disable once CheckNamespace
+namespace DTS.DASLib.Service
+{
+    /// <inheritdoc />
+    /// <summary>
+    /// allows a input range in mV to send to firmware based on a gain
+    /// this is a right now just the middle between the given gain and the next gain, however
+    /// we can control this a bit more in the future if we wish.
+    /// we don't send directly the input range based on the gain because calibration factors could affect
+    /// what range is actually achieved at each gain step
+    /// but we want to make sure we don't change gain steps [so we can avoid certain gains]
+    /// http://fogbugz/fogbugz/default.asp?10080
+    /// </summary>
+    public class FirmwareInputRangeAttribute : Attribute
+    {
+        /// <summary>
+        /// input range to send to firmware for the given gain
+        /// http://fogbugz/fogbugz/default.asp?10080
+        /// </summary>
+        /// <param name="o"></param>
+        /// <returns></returns>
+        public static double GetFirmwareInputRangemV(object o)
+        {
+            if (o == null) return 0D;
+            var mi = o.GetType().GetMember(o.ToString());
+            if (mi.Length <= 0) return 0D;
+            var attr = GetCustomAttribute(mi[0], typeof(FirmwareInputRangeAttribute)) as FirmwareInputRangeAttribute;
+            return attr?._firmwareInputRangeAttribute ?? 0D;
+        }
+
+        private readonly double _firmwareInputRangeAttribute;
+        public FirmwareInputRangeAttribute(double firmwareInputRangemV)
+        {
+            _firmwareInputRangeAttribute = firmwareInputRangemV;
+        }
+    }
+}