实现连接设备界面

Assets/Scripts/Devices/Ant/LegacyPages/RotationData.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Assets.Scripts.Devices.Ant.LegacyPages
+{
+    public class RotationData
+    {
+        private static readonly TimeSpan TimeBeforeRollover = TimeSpan.FromSeconds(63.0);
+        private const int MaxUpdateValue = 65535;
+        private const int MaxCountValue = 65535;
+        private int? _update;
+        private int? _count;
+        private DateTimeOffset? _lastUpdatedTime;
+        private int _rpm;
+
+        public int? CalculateRpm(DateTimeOffset now, int newUpdate, int newCount)
+        {
+            DateTimeOffset time = now;
+            if (!this._lastUpdatedTime.HasValue)
+            {
+                this._update = new int?(newUpdate);
+                this._count = new int?(newCount);
+                this._lastUpdatedTime = new DateTimeOffset?(now);
+                return new int?();
+            }
+            if (this.HasNotMoved(newUpdate, time))
+                return new int?(0);
+            if (this.HasMoreThanOneRolloverOccurred(time))
+            {
+                this._lastUpdatedTime = new DateTimeOffset?(time);
+                this._update = new int?(newUpdate);
+                this._count = new int?(newCount);
+                return new int?();
+            }
+            if (this.HasNotUpdated(newUpdate))
+                return new int?(this._rpm);
+            if (this.HasUpdateRolledOver(newUpdate))
+            {
+                int? nullable = this._update;
+                this._update = nullable.HasValue ? new int?(nullable.GetValueOrDefault() - (int)ushort.MaxValue) : new int?();
+            }
+            if (this.HasCountRolledOver(newCount))
+            {
+                int? nullable = this._count;
+                this._count = nullable.HasValue ? new int?(nullable.GetValueOrDefault() - (int)ushort.MaxValue) : new int?();
+            }
+            this._rpm = (int)Math.Round((double)(newCount - this._count.Value) / (double)(newUpdate - this._update.Value) * 1024.0 * 60.0);
+            this._lastUpdatedTime = new DateTimeOffset?(time);
+            this._update = new int?(newUpdate);
+            this._count = new int?(newCount);
+            return new int?(this._rpm);
+        }
+
+        private bool HasMoreThanOneRolloverOccurred(DateTimeOffset time)
+        {
+            DateTimeOffset dateTimeOffset = time;
+            DateTimeOffset? nullable1 = this._lastUpdatedTime;
+            TimeSpan? nullable2 = nullable1.HasValue ? new TimeSpan?(dateTimeOffset - nullable1.GetValueOrDefault()) : new TimeSpan?();
+            TimeSpan timeSpan = RotationData.TimeBeforeRollover;
+            if (!nullable2.HasValue)
+                return false;
+            return nullable2.GetValueOrDefault() > timeSpan;
+        }
+
+        private bool HasCountRolledOver(int newCount)
+        {
+            int num = newCount;
+            int? nullable = this._count;
+            int valueOrDefault = nullable.GetValueOrDefault();
+            if (num >= valueOrDefault)
+                return false;
+            return nullable.HasValue;
+        }
+
+        private bool HasUpdateRolledOver(int newUpdate)
+        {
+            int num = newUpdate;
+            int? nullable = this._update;
+            int valueOrDefault = nullable.GetValueOrDefault();
+            if (num >= valueOrDefault)
+                return false;
+            return nullable.HasValue;
+        }
+
+        private bool HasNotUpdated(int newUpdate)
+        {
+            int num = newUpdate;
+            int? nullable = this._update;
+            int valueOrDefault = nullable.GetValueOrDefault();
+            if (num != valueOrDefault)
+                return false;
+            return nullable.HasValue;
+        }
+
+        private bool HasNotMoved(int newUpdate, DateTimeOffset time)
+        {
+            DateTimeOffset dateTimeOffset = time - TimeSpan.FromSeconds(4.0);
+            DateTimeOffset? nullable1 = this._lastUpdatedTime;
+            if ((nullable1.HasValue ? (dateTimeOffset >= nullable1.GetValueOrDefault() ? 1 : 0) : 0) == 0)
+                return false;
+            int num = newUpdate;
+            int? nullable2 = this._update;
+            int valueOrDefault = nullable2.GetValueOrDefault();
+            if (num != valueOrDefault)
+                return false;
+            return nullable2.HasValue;
+        }
+    }
+}

Assets/Scripts/Devices/Ant/LegacyPages/RotationData.cs.meta

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