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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.Main;
namespace LibUsbDotNet.Internal.LibUsb
{
internal class LibUsbAPI : UsbApiBase
{
public override bool AbortPipe(SafeHandle interfaceHandle, byte pipeID)
{
LibUsbRequest req = new LibUsbRequest();
int ret;
req.Endpoint.ID = pipeID;
req.Timeout = UsbConstants.DEFAULT_TIMEOUT;
return LibUsbDriverIO.UsbIOSync(interfaceHandle, LibUsbIoCtl.ABORT_ENDPOINT, req, LibUsbRequest.Size, IntPtr.Zero, 0, out ret);
}
public bool ResetDevice(SafeHandle interfaceHandle)
{
LibUsbRequest req = new LibUsbRequest();
int ret;
req.Timeout = UsbConstants.DEFAULT_TIMEOUT;
return LibUsbDriverIO.UsbIOSync(interfaceHandle, LibUsbIoCtl.RESET_DEVICE, req, LibUsbRequest.Size, IntPtr.Zero, 0, out ret);
}
public override bool ControlTransfer(SafeHandle interfaceHandle,
UsbSetupPacket setupPacket,
IntPtr buffer,
int bufferLength,
out int lengthTransferred)
{
return LibUsbDriverIO.ControlTransfer(interfaceHandle,
setupPacket,
buffer,
bufferLength,
out lengthTransferred,
UsbConstants.DEFAULT_TIMEOUT);
}
public override bool FlushPipe(SafeHandle interfaceHandle, byte pipeID) { return true; }
public override bool GetDescriptor(SafeHandle interfaceHandle,
byte descriptorType,
byte index,
ushort languageID,
IntPtr buffer,
int bufferLength,
out int lengthTransferred)
{
LibUsbRequest req = new LibUsbRequest();
req.Descriptor.Index = index;
req.Descriptor.LangID = languageID;
req.Descriptor.Recipient = (byte) UsbEndpointDirection.EndpointIn & 0x1F;
req.Descriptor.Type = descriptorType;
return LibUsbDriverIO.UsbIOSync(interfaceHandle,
LibUsbIoCtl.GET_DESCRIPTOR,
req,
LibUsbRequest.Size,
buffer,
bufferLength,
out lengthTransferred);
}
public override bool GetOverlappedResult(SafeHandle interfaceHandle, IntPtr pOverlapped, out int numberOfBytesTransferred, bool wait) { return Kernel32.GetOverlappedResult(interfaceHandle, pOverlapped, out numberOfBytesTransferred, wait); }
public override bool ReadPipe(UsbEndpointBase endPointBase,
IntPtr buffer,
int bufferLength,
out int lengthTransferred,
int isoPacketSize,
IntPtr pOverlapped)
{
LibUsbRequest req = new LibUsbRequest();
req.Endpoint.ID = endPointBase.EpNum;
req.Endpoint.PacketSize = isoPacketSize;
req.Timeout = UsbConstants.DEFAULT_TIMEOUT;
int cltCode = endPointBase.Type == EndpointType.Isochronous ? LibUsbIoCtl.ISOCHRONOUS_READ : LibUsbIoCtl.INTERRUPT_OR_BULK_READ;
return Kernel32.DeviceIoControl(endPointBase.Device.Handle,
cltCode,
req,
LibUsbRequest.Size,
buffer,
bufferLength,
out lengthTransferred,
pOverlapped);
}
public override bool ResetPipe(SafeHandle interfaceHandle, byte pipeID)
{
LibUsbRequest req = new LibUsbRequest();
int ret;
req.Endpoint.ID = pipeID;
req.Timeout = UsbConstants.DEFAULT_TIMEOUT;
return LibUsbDriverIO.UsbIOSync(interfaceHandle, LibUsbIoCtl.RESET_ENDPOINT, req, LibUsbRequest.Size, IntPtr.Zero, 0, out ret);
}
public override bool WritePipe(UsbEndpointBase endPointBase,
IntPtr buffer,
int bufferLength,
out int lengthTransferred,
int isoPacketSize,
IntPtr pOverlapped)
{
LibUsbRequest req = new LibUsbRequest();
req.Endpoint.ID = endPointBase.EpNum;
req.Endpoint.PacketSize = isoPacketSize;
req.Timeout = UsbConstants.DEFAULT_TIMEOUT;
int cltCode = endPointBase.Type == EndpointType.Isochronous ? LibUsbIoCtl.ISOCHRONOUS_WRITE : LibUsbIoCtl.INTERRUPT_OR_BULK_WRITE;
return Kernel32.DeviceIoControl(endPointBase.Handle,
cltCode,
req,
LibUsbRequest.Size,
buffer,
bufferLength,
out lengthTransferred,
pOverlapped);
}
}
}
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