C#：USB设备枚举（一）DeviceIoControl的PInvoke

作者：Splash

转自：/article/2840091.html

[csharp]
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/* ----------------------------------------------------------
文件名称：DeviceIoControl.cs

作者：秦建辉

MSN：splashcn@msn.com
QQ：36748897

博客：http://blog.csdn.net/jhqin

开发环境：
Visual Studio V2010
.NET Framework 4 Client Profile

版本历史：
V1.0 2011年10月10日
实现对DeviceIoControl接口的PInvoke

参考资料： http://www.pinvoke.net/ ------------------------------------------------------------ */
using System;
using System.Runtime.InteropServices;

namespace Splash.IO.PORTS
{
#region ENUM
public enum USB_HUB_NODE : uint
{
UsbHub,
UsbMIParent
}

public enum USB_CONNECTION_STATUS
{
NoDeviceConnected,
DeviceConnected,
DeviceFailedEnumeration,
DeviceGeneralFailure,
DeviceCausedOvercurrent,
DeviceNotEnoughPower,
DeviceNotEnoughBandwidth,
DeviceHubNestedTooDeeply,
DeviceInLegacyHub
}

public enum USB_DEVICE_SPEED : byte
{
UsbLowSpeed, // 低速USB 1.1
UsbFullSpeed, // 全速USB 1.1
UsbHighSpeed, // 高速USB 2.0
UsbSuperSpeed // 极速USB 3.0
}
#endregion

public partial class USB
{
internal const Int32 IOCTL_GET_HCD_DRIVERKEY_NAME = 0x220424;
internal const Int32 IOCTL_USB_GET_ROOT_HUB_NAME = 0x220408;
internal const Int32 IOCTL_USB_GET_NODE_CONNECTION_NAME = 0x220414;
internal const Int32 IOCTL_USB_GET_NODE_INFORMATION = 0x220408;
internal const Int32 IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX = 0x220448;
internal const Int32 IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION = 0x220410;

internal const Int32 MAXIMUM_USB_STRING_LENGTH = 255;
internal const Int32 USB_STRING_DESCRIPTOR_TYPE = 3;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
internal struct USB_HCD_DRIVERKEY_NAME
{
public Int32 ActualLength;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
public String Name;
}

#region USB_NODE_INFORMATION
[StructLayout(LayoutKind.Sequential, Pack = 1)]
internal struct USB_HUB_DESCRIPTOR
{
public Byte bDescriptorLength;
public Byte bDescriptorType; // 描述符类型：0x29
public Byte bNumberOfPorts; // 支持的下游端口数目
public Int16 wHubCharacteristics; // 特征描述
public Byte bPowerOnToPowerGood; // 从端口加电到端口正常工作的时间间隔(以2ms为单位)
public Byte bHubControlCurrent; // 设备所需最大电流
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
public Byte[] bRemoveAndPowerMask; // 指示连接在集线器端口的设备是否可移走
}

[StructLayout(LayoutKind.Sequential)]
internal struct USB_HUB_INFORMATION
{
public USB_HUB_DESCRIPTOR HubDescriptor;
public Byte HubIsBusPowered;
}

[StructLayout(LayoutKind.Sequential)]
internal struct USB_MI_PARENT_INFORMATION
{
public Int32 NumberOfInterfaces;
};

[StructLayout(LayoutKind.Explicit)]
internal struct UsbNodeUnion
{
[FieldOffset(0)]
public USB_HUB_INFORMATION HubInformation;
[FieldOffset(0)]
public USB_MI_PARENT_INFORMATION MiParentInformation;
}

[StructLayout(LayoutKind.Sequential)]
internal struct USB_NODE_INFORMATION
{
public USB_HUB_NODE NodeType;
public UsbNodeUnion u;
}
#endregion

#region USB_NODE_CONNECTION_INFORMATION
[StructLayout(LayoutKind.Sequential, Pack = 1)]
internal struct USB_DEVICE_DESCRIPTOR
{
public Byte bLength;
public Byte bDescriptorType;
public UInt16 bcdUSB;
public Byte bDeviceClass;
public Byte bDeviceSubClass;
public Byte bDeviceProtocol;
public Byte bMaxPacketSize0;
public UInt16 idVendor;
public UInt16 idProduct;
public UInt16 bcdDevice;
public Byte iManufacturer;
public Byte iProduct;
public Byte iSerialNumber;
public Byte bNumConfigurations;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
internal struct USB_ENDPOINT_DESCRIPTOR
{
public Byte bLength;
public Byte bDescriptorType;
public Byte bEndpointAddress;
public Byte bmAttributes;
public UInt16 wMaxPacketSize;
public Byte bInterval;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
internal struct USB_PIPE_INFO
{
public USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
public UInt32 ScheduleOffset;
}

[StructLayout(LayoutKind.Sequential, Pack = 1)]
internal struct USB_NODE_CONNECTION_INFORMATION_EX
{
public Int32 ConnectionIndex;
public USB_DEVICE_DESCRIPTOR DeviceDescriptor;
public Byte CurrentConfigurationValue;
public Byte Speed;
public Byte DeviceIsHub;
public Int16 DeviceAddress;
public Int32 NumberOfOpenPipes;
public USB_CONNECTION_STATUS ConnectionStatus;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
public USB_PIPE_INFO[] PipeList;
}
#endregion

#region USB_DESCRIPTOR_REQUEST
[StructLayout(LayoutKind.Sequential)]
internal struct USB_SETUP_PACKET
{
public Byte bmRequest;
public Byte bRequest;
public UInt16 wValue;
public UInt16 wIndex;
public UInt16 wLength;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
internal struct USB_STRING_DESCRIPTOR
{
public Byte bLength;
public Byte bDescriptorType;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAXIMUM_USB_STRING_LENGTH)]
public String bString;
}

[StructLayout(LayoutKind.Sequential)]
internal struct USB_DESCRIPTOR_REQUEST
{
public Int32 ConnectionIndex;
public USB_SETUP_PACKET SetupPacket;
public USB_STRING_DESCRIPTOR Data;
}
#endregion

#region USB_NODE_CONNECTION_DRIVERKEY_NAME
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
internal struct USB_NODE_CONNECTION_DRIVERKEY_NAME
{
public Int32 ConnectionIndex;
public Int32 ActualLength;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAXIMUM_USB_STRING_LENGTH)]
public String DriverKeyName;
}
#endregion

#region DeviceIoControl
[DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern Boolean DeviceIoControl(
IntPtr hFile,
Int32 dwIoControlCode,
IntPtr lpInBuffer,
Int32 nInBufferSize,
ref USB_HCD_DRIVERKEY_NAME lpOutBuffer,
Int32 nOutBufferSize,
out Int32 nBytesReturned,
IntPtr lpOverlapped
);

[DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern Boolean DeviceIoControl(
IntPtr hFile,
Int32 dwIoControlCode,
ref USB_NODE_INFORMATION lpInBuffer,
Int32 nInBufferSize,
ref USB_NODE_INFORMATION lpOutBuffer,
Int32 nOutBufferSize,
out Int32 lpBytesReturned,
IntPtr lpOverlapped
);

[DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern Boolean DeviceIoControl(
IntPtr hFile,
Int32 dwIoControlCode,
ref USB_NODE_CONNECTION_INFORMATION_EX lpInBuffer,
Int32 nInBufferSize,
ref USB_NODE_CONNECTION_INFORMATION_EX lpOutBuffer,
Int32 nOutBufferSize,
out Int32 lpBytesReturned,
IntPtr lpOverlapped
);

[DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern Boolean DeviceIoControl(
IntPtr hFile,
Int32 dwIoControlCode,
ref USB_DESCRIPTOR_REQUEST lpInBuffer,
Int32 nInBufferSize,
ref USB_DESCRIPTOR_REQUEST lpOutBuffer,
Int32 nOutBufferSize,
out Int32 lpBytesReturned,
IntPtr lpOverlapped
);

[DllImport("kernel32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern Boolean DeviceIoControl(
IntPtr hFile,
Int32 dwIoControlCode,
ref USB_NODE_CONNECTION_DRIVERKEY_NAME lpInBuffer,
Int32 nInBufferSize,
ref USB_NODE_CONNECTION_DRIVERKEY_NAME lpOutBuffer,
Int32 nOutBufferSize,
out Int32 lpBytesReturned,
IntPtr lpOverlapped
);
#endregion
}
}