Initial commit

Packages/com.unity.inputsystem/InputSystem/Devices/Commands/SetSamplingFrequencyCommand.cs

@@ -0,0 +1,39 @@
+using System.Runtime.InteropServices;
+using UnityEngine.InputSystem.Utilities;
+
+////REVIEW: switch this to interval-in-seconds instead of Hz?
+
+namespace UnityEngine.InputSystem.LowLevel
+{
+    /// <summary>
+    /// For a device that is sampled periodically, set the frequency at which the device
+    /// is sampled.
+    /// </summary>
+    [StructLayout(LayoutKind.Explicit, Size = kSize)]
+    public struct SetSamplingFrequencyCommand : IInputDeviceCommandInfo
+    {
+        public static FourCC Type { get { return new FourCC('S', 'S', 'P', 'L'); } }
+
+        internal const int kSize = InputDeviceCommand.kBaseCommandSize + sizeof(float);
+
+        [FieldOffset(0)]
+        public InputDeviceCommand baseCommand;
+
+        [FieldOffset(InputDeviceCommand.kBaseCommandSize)]
+        public float frequency;
+
+        public FourCC typeStatic
+        {
+            get { return Type; }
+        }
+
+        public static SetSamplingFrequencyCommand Create(float frequency)
+        {
+            return new SetSamplingFrequencyCommand
+            {
+                baseCommand = new InputDeviceCommand(Type, kSize),
+                frequency = frequency
+            };
+        }
+    }
+}