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// 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.Runtime.InteropServices;
using LibUsbDotNet.Descriptors;
namespace MonoLibUsb.Descriptors
{
/// <summary>
/// A structure representing the standard USB endpoint descriptor. This
/// descriptor is documented in section 9.6.3 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 MonoUsbEndpointDescriptor
{
///<summary> Size of this descriptor (in bytes)</summary>
public readonly Byte bLength;
///<summary> Descriptor type. Will have value LIBUSB_DT_ENDPOINT in this context.</summary>
public readonly DescriptorType bDescriptorType;
///<summary> The address of the endpoint described by this descriptor. Bits 0:3 are the endpoint number. Bits 4:6 are reserved. Bit 7 indicates direction, see \ref libusb_endpoint_direction.</summary>
public readonly Byte bEndpointAddress;
///<summary> Attributes which apply to the endpoint when it is configured using the bConfigurationValue. Bits 0:1 determine the transfer type and correspond to \ref libusb_transfer_type. Bits 2:3 are only used for isochronous endpoints and correspond to \ref libusb_iso_sync_type. Bits 4:5 are also only used for isochronous endpoints and correspond to \ref libusb_iso_usage_type. Bits 6:7 are reserved.</summary>
public readonly Byte bmAttributes;
///<summary> Maximum packet size this endpoint is capable of sending/receiving.</summary>
public readonly short wMaxPacketSize;
///<summary> Interval for polling endpoint for data transfers.</summary>
public readonly Byte bInterval;
///<summary> For audio devices only: the rate at which synchronization feedback is provided.</summary>
public readonly Byte bRefresh;
///<summary> For audio devices only: the address if the synch endpoint</summary>
public readonly Byte bSynchAddress;
///<summary> Extra descriptors. If libusb encounters unknown endpoint descriptors, it will store them here, should you wish to parse them.</summary>
private readonly IntPtr pExtraBytes;
///<summary> Length of the extra descriptors, in bytes.</summary>
public readonly int ExtraLength;
///<summary> Extra descriptors. If libusb encounters unknown endpoint 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;
}
}
}
}
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