Migrate WinUSBNet code to a standalone project dependency

WinUSBNet/USBInterface.cs

@@ -0,0 +1,144 @@
+/*  WinUSBNet library
+ *  (C) 2010 Thomas Bleeker (www.madwizard.org)
+ *
+ *  Licensed under the MIT license, see license.txt or:
+ *  http://www.opensource.org/licenses/mit-license.php
+ */
+
+using System;
+
+namespace MadWizard.WinUSBNet
+{
+    /// <summary>
+    /// Represents a single USB interface from a USB device
+    /// </summary>
+    public class USBInterface
+    {
+        /// <summary>
+        /// Collection of pipes associated with this interface
+        /// </summary>
+        public USBPipeCollection Pipes
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Interface number from the interface descriptor
+        /// </summary>
+        public int Number
+        {
+            get;
+        }
+
+        /// <summary>
+        /// USB device associated with this interface
+        /// </summary>
+        public USBDevice Device
+        {
+            get;
+        }
+
+        /// <summary>
+        /// First IN direction pipe on this interface
+        /// </summary>
+        public USBPipe InPipe
+        {
+            get;
+        }
+
+        /// <summary>
+        /// First OUT direction pipe on this interface
+        /// </summary>
+        public USBPipe OutPipe
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Interface class code. If the interface class does
+        /// not match any of the USBBaseClass enumeration values
+        /// the value will be USBBaseClass.Unknown
+        /// </summary>
+        public USBBaseClass BaseClass
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Interface class code as defined in the interface descriptor
+        /// This property can be used if the class type is not defined
+        /// int the USBBaseClass enumeration
+        /// </summary>
+        public byte ClassValue
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Interface subclass code
+        /// </summary>
+        public byte SubClass
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Interface protocol code
+        /// </summary>
+        public byte Protocol
+        {
+            get;
+        }
+
+        /// <summary>
+        /// Zero based interface index in WinUSB.
+        /// Note that this is not necessarily the same as the interface *number*
+        /// from the interface descriptor. There might be interfaces within the
+        /// USB device that do not use WinUSB, these are not counted for index.
+        /// </summary>
+        internal int InterfaceIndex
+        {
+            get;
+        }
+
+        internal USBInterface(USBDevice device, int interfaceIndex, API.USB_INTERFACE_DESCRIPTOR rawDesc, USBPipeCollection pipes)
+        {
+            // Set raw class identifiers
+            ClassValue = rawDesc.bInterfaceClass;
+            SubClass = rawDesc.bInterfaceSubClass;
+            Protocol = rawDesc.bInterfaceProtocol;
+
+            Number = rawDesc.bInterfaceNumber;
+            InterfaceIndex = interfaceIndex;
+
+            // If interface class is of a known type (USBBaseClass enum), use this
+            // for the InterfaceClass property.
+            BaseClass = USBBaseClass.Unknown;
+            if (Enum.IsDefined(typeof(USBBaseClass), (int)rawDesc.bInterfaceClass))
+            {
+                BaseClass = (USBBaseClass)rawDesc.bInterfaceClass;
+            }
+
+            Device = device;
+            Pipes = pipes;
+
+            // Handle pipes
+            foreach (USBPipe pipe in pipes)
+            {
+                // Attach pipe to this interface
+                pipe.AttachInterface(this);
+
+                // If first in or out pipe, set InPipe and OutPipe
+                if (pipe.IsIn && InPipe == null)
+                {
+                    InPipe = pipe;
+                }
+
+                if (pipe.IsOut && OutPipe == null)
+                {
+                    OutPipe = pipe;
+                }
+            }
+        }
+    }
+}