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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 System.Security;
using LibUsbDotNet.Descriptors;
using LibUsbDotNet.Internal;
using LibUsbDotNet.Internal.WinUsb;
using LibUsbDotNet.Main;
using Microsoft.Win32.SafeHandles;
// ReSharper disable InconsistentNaming
namespace LibUsbDotNet.WinUsb.Internal
{
[SuppressUnmanagedCodeSecurity]
internal class WinUsbAPI : UsbApiBase
{
internal const string WIN_USB_DLL = "winusb.dll";
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_AbortPipe", SetLastError = true)]
private static extern bool WinUsb_AbortPipe([In] SafeHandle InterfaceHandle, byte PipeID);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_ControlTransfer", SetLastError = true)]
private static extern bool WinUsb_ControlTransfer([In] SafeHandle InterfaceHandle,
[In] UsbSetupPacket SetupPacket,
IntPtr Buffer,
int BufferLength,
out int LengthTransferred,
IntPtr pOVERLAPPED);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_FlushPipe", SetLastError = true)]
private static extern bool WinUsb_FlushPipe([In] SafeHandle InterfaceHandle, byte PipeID);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_Free", SetLastError = true)]
internal static extern bool WinUsb_Free([In] IntPtr InterfaceHandle);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetAssociatedInterface", SetLastError = true)]
internal static extern bool WinUsb_GetAssociatedInterface([In] SafeHandle InterfaceHandle,
byte AssociatedInterfaceIndex,
ref IntPtr AssociatedInterfaceHandle);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetCurrentAlternateSetting", SetLastError = true)]
internal static extern bool WinUsb_GetCurrentAlternateSetting([In] SafeHandle InterfaceHandle, out byte SettingNumber);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetDescriptor", SetLastError = true)]
private static extern bool WinUsb_GetDescriptor([In] SafeHandle InterfaceHandle,
byte DescriptorType,
byte Index,
ushort LanguageID,
IntPtr Buffer,
int BufferLength,
out int LengthTransferred);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetOverlappedResult", SetLastError = true)]
private static extern bool WinUsb_GetOverlappedResult([In] SafeHandle InterfaceHandle,
IntPtr pOVERLAPPED,
out int lpNumberOfBytesTransferred,
bool Wait);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetPipePolicy", SetLastError = true)]
internal static extern bool WinUsb_GetPipePolicy([In] SafeHandle InterfaceHandle,
byte PipeID,
PipePolicyType policyType,
ref int ValueLength,
IntPtr Value);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_GetPowerPolicy", SetLastError = true)]
internal static extern bool WinUsb_GetPowerPolicy([In] SafeHandle InterfaceHandle,
PowerPolicyType policyType,
ref int ValueLength,
IntPtr Value);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_Initialize", SetLastError = true)]
internal static extern bool WinUsb_Initialize([In] SafeHandle DeviceHandle, [Out, In] ref SafeWinUsbInterfaceHandle InterfaceHandle);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_QueryDeviceInformation", SetLastError = true)]
internal static extern bool WinUsb_QueryDeviceInformation([In] SafeHandle InterfaceHandle,
DeviceInformationTypes InformationType,
ref int BufferLength,
[MarshalAs(UnmanagedType.AsAny), In, Out] object Buffer);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_QueryInterfaceSettings", SetLastError = true)]
internal static extern bool WinUsb_QueryInterfaceSettings([In] SafeHandle InterfaceHandle,
byte AlternateInterfaceNumber,
[MarshalAs(UnmanagedType.LPStruct), In, Out] UsbInterfaceDescriptor
UsbAltInterfaceDescriptor);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_QueryPipe", SetLastError = true)]
internal static extern bool WinUsb_QueryPipe([In] SafeHandle InterfaceHandle,
byte AlternateInterfaceNumber,
byte PipeIndex,
[MarshalAs(UnmanagedType.LPStruct), In, Out] PipeInformation PipeInformation);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_ReadPipe", SetLastError = true)]
private static extern bool WinUsb_ReadPipe([In] SafeHandle InterfaceHandle,
byte PipeID,
Byte[] Buffer,
int BufferLength,
out int LengthTransferred,
IntPtr pOVERLAPPED);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_ReadPipe", SetLastError = true)]
private static extern bool WinUsb_ReadPipe([In] SafeHandle InterfaceHandle,
byte PipeID,
IntPtr pBuffer,
int BufferLength,
out int LengthTransferred,
IntPtr pOVERLAPPED);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_ResetPipe", SetLastError = true)]
private static extern bool WinUsb_ResetPipe([In] SafeHandle InterfaceHandle, byte PipeID);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_SetPipePolicy", SetLastError = true)]
internal static extern bool WinUsb_SetPipePolicy([In] SafeHandle InterfaceHandle,
byte PipeID,
PipePolicyType policyType,
int ValueLength,
IntPtr Value);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_SetPowerPolicy", SetLastError = true)]
internal static extern bool WinUsb_SetPowerPolicy([In] SafeHandle InterfaceHandle, PowerPolicyType policyType, int ValueLength, IntPtr Value);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_WritePipe", SetLastError = true)]
private static extern bool WinUsb_WritePipe([In] SafeHandle InterfaceHandle,
byte PipeID,
Byte[] Buffer,
int BufferLength,
out int LengthTransferred,
IntPtr pOVERLAPPED);
[DllImport(WIN_USB_DLL, EntryPoint = "WinUsb_WritePipe", SetLastError = true)]
private static extern bool WinUsb_WritePipe([In] SafeHandle InterfaceHandle,
byte PipeID,
IntPtr pBuffer,
int BufferLength,
out int LengthTransferred,
IntPtr pOVERLAPPED);
public override bool AbortPipe(SafeHandle InterfaceHandle, byte PipeID) { return WinUsb_AbortPipe(InterfaceHandle, PipeID); }
public override bool ControlTransfer(SafeHandle InterfaceHandle,
UsbSetupPacket SetupPacket,
IntPtr Buffer,
int BufferLength,
out int LengthTransferred) { return WinUsb_ControlTransfer(InterfaceHandle, SetupPacket, Buffer, BufferLength, out LengthTransferred, IntPtr.Zero); }
public override bool FlushPipe(SafeHandle InterfaceHandle, byte PipeID) { return WinUsb_FlushPipe(InterfaceHandle, PipeID); }
public override bool GetDescriptor(SafeHandle InterfaceHandle,
byte DescriptorType,
byte Index,
ushort LanguageID,
IntPtr Buffer,
int BufferLength,
out int LengthTransferred) { return WinUsb_GetDescriptor(InterfaceHandle, DescriptorType, Index, LanguageID, Buffer, BufferLength, out LengthTransferred); }
public override bool GetOverlappedResult(SafeHandle InterfaceHandle, IntPtr pOVERLAPPED, out int numberOfBytesTransferred, bool Wait) { return WinUsb_GetOverlappedResult(InterfaceHandle, pOVERLAPPED, out numberOfBytesTransferred, Wait); }
//public override bool ReadPipe(UsbEndpointBase endPointBase,
// byte[] Buffer,
// int BufferLength,
// out int LengthTransferred,
// int isoPacketSize,
// IntPtr pOVERLAPPED) { return WinUsb_ReadPipe(endPointBase.Device.Handle, endPointBase.EpNum, Buffer, BufferLength, out LengthTransferred, pOVERLAPPED); }
public override bool ReadPipe(UsbEndpointBase endPointBase,
IntPtr pBuffer,
int BufferLength,
out int LengthTransferred,
int isoPacketSize,
IntPtr pOVERLAPPED) { return WinUsb_ReadPipe(endPointBase.Device.Handle, endPointBase.EpNum, pBuffer, BufferLength, out LengthTransferred, pOVERLAPPED); }
public override bool ResetPipe(SafeHandle InterfaceHandle, byte PipeID) { return WinUsb_ResetPipe(InterfaceHandle, PipeID); }
//public override bool WritePipe(UsbEndpointBase endPointBase,
// byte[] Buffer,
// int BufferLength,
// out int LengthTransferred,
// int isoPacketSize,
// IntPtr pOVERLAPPED) { return WinUsb_WritePipe(endPointBase.Device.Handle, endPointBase.EpNum, Buffer, BufferLength, out LengthTransferred, pOVERLAPPED); }
public override bool WritePipe(UsbEndpointBase endPointBase,
IntPtr pBuffer,
int BufferLength,
out int LengthTransferred,
int isoPacketSize,
IntPtr pOVERLAPPED) { return WinUsb_WritePipe(endPointBase.Device.Handle, endPointBase.EpNum, pBuffer, BufferLength, out LengthTransferred, pOVERLAPPED); }
internal static bool OpenDevice(out SafeFileHandle sfhDevice, string DevicePath)
{
sfhDevice =
Kernel32.CreateFile(DevicePath,
NativeFileAccess.FILE_GENERIC_WRITE | NativeFileAccess.FILE_GENERIC_READ,
NativeFileShare.FILE_SHARE_WRITE | NativeFileShare.FILE_SHARE_READ,
IntPtr.Zero,
NativeFileMode.OPEN_EXISTING,
NativeFileFlag.FILE_ATTRIBUTE_NORMAL | NativeFileFlag.FILE_FLAG_OVERLAPPED,
IntPtr.Zero);
return (!sfhDevice.IsInvalid && !sfhDevice.IsClosed);
}
}
}
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