1 files changed, 103 insertions, 0 deletions
diff --git a/LibWinUsb/MonoLibUsb/Descriptors/MonoUsbAltInterfaceDescriptor.cs b/LibWinUsb/MonoLibUsb/Descriptors/MonoUsbAltInterfaceDescriptor.cs
new file mode 100644
index 0000000..c3b8571
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+++ b/LibWinUsb/MonoLibUsb/Descriptors/MonoUsbAltInterfaceDescriptor.cs
@@ -0,0 +1,103 @@
+// Copyright © 2006-2010 Travis Robinson. All rights reserved.
+// 
+// website: http://sourceforge.net/projects/libusbdotnet
+// e-mail:  libusbdotnet@gmail.com
+// 
+// This program is free software; you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2 of the License, or 
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful, but 
+// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+// 
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. or 
+// visit www.gnu.org.
+// 
+// 
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using LibUsbDotNet.Descriptors;
+
+namespace MonoLibUsb.Descriptors
+{
+    /// <summary>
+    /// A structure representing the standard USB interface descriptor. This
+    /// descriptor is documented in section 9.6.5 of the USB 2.0 specification.
+    /// All multiple-byte fields are represented in host-endian format.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential, Pack = MonoUsbApi.LIBUSB_PACK)]
+    public class MonoUsbAltInterfaceDescriptor
+    {
+        ///<summary>Size of this descriptor (in bytes)</summary>
+        public readonly Byte bLength;
+
+        ///<summary>Descriptor type. Will have value LIBUSB_DT_INTERFACE in this context.</summary>
+        public readonly DescriptorType bDescriptorType;
+
+        ///<summary>Number of this interface</summary>
+        public readonly Byte bInterfaceNumber;
+
+        ///<summary>Value used to select this alternate setting for this interface</summary>
+        public readonly Byte bAlternateSetting;
+
+        ///<summary> Number of endpoints used by this interface (excluding the control endpoint).</summary>
+        public readonly Byte bNumEndpoints;
+
+        ///<summary> USB-IF class code for this interface. See ClassCodeType.</summary>
+        public readonly ClassCodeType bInterfaceClass;
+
+        ///<summary> USB-IF subclass code for this interface, qualified by the bInterfaceClass value</summary>
+        public readonly Byte bInterfaceSubClass;
+
+        ///<summary> USB-IF protocol code for this interface, qualified by the bInterfaceClass and bInterfaceSubClass values</summary>
+        public readonly Byte bInterfaceProtocol;
+
+        ///<summary> Index of string descriptor describing this interface</summary>
+        public readonly Byte iInterface;
+
+        ///<summary> Array of endpoint descriptors. This length of this array is determined by the bNumEndpoints field.</summary>
+        private readonly IntPtr pEndpointDescriptors;
+
+        ///<summary> Extra descriptors. If libusb encounters unknown interface descriptors, it will store them here, should you wish to parse them.</summary>
+        private IntPtr pExtraBytes;
+
+        ///<summary> Length of the extra descriptors, in bytes.</summary>
+        public readonly int ExtraLength;
+
+        ///<summary> Extra descriptors. If libusb encounters unknown interface descriptors, it will store them here, should you wish to parse them.</summary>
+        public byte[] ExtraBytes
+        {
+            get
+            {
+                byte[] bytes = new byte[ExtraLength];
+                Marshal.Copy(pExtraBytes, bytes, 0, bytes.Length);
+                return bytes;
+            }
+        }
+
+        ///<summary> Array of endpoint descriptors. This length of this array is determined by the bNumEndpoints field.</summary>
+        public List<MonoUsbEndpointDescriptor> EndpointList
+        {
+            get
+            {
+                List<MonoUsbEndpointDescriptor> endpointList = new List<MonoUsbEndpointDescriptor>();
+                int iEndpoint;
+                for (iEndpoint = 0; iEndpoint < bNumEndpoints; iEndpoint++)
+                {
+                    IntPtr pNextInterface = new IntPtr(pEndpointDescriptors.ToInt64() + (Marshal.SizeOf(typeof (MonoUsbEndpointDescriptor))*iEndpoint));
+                    MonoUsbEndpointDescriptor monoUsbEndpoint = new MonoUsbEndpointDescriptor();
+                    Marshal.PtrToStructure(pNextInterface, monoUsbEndpoint);
+                    endpointList.Add(monoUsbEndpoint);
+                }
+
+                return endpointList;
+            }
+        }
+    }
+}
+\ No newline at end of file