public override void EndWrite(IAsyncResult asyncResult)
{
UsbStreamAsyncTransfer asyncTransfer = (UsbStreamAsyncTransfer)asyncResult;
asyncTransfer.mCompleteEvent.WaitOne();
if (asyncTransfer.Result == ErrorCode.Success && asyncTransfer.mCount == asyncTransfer.TransferredLength)
{
return;
}
if (asyncTransfer.Result == ErrorCode.IoTimedOut)
{
throw new TimeoutException(String.Format("{0}:Endpoint 0x{1:X2} IO timed out.", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
if (asyncTransfer.Result == ErrorCode.IoCancelled)
{
throw new IOCancelledException(String.Format("{0}:Endpoint 0x{1:X2} IO was cancelled.", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
if (asyncTransfer.mCount != asyncTransfer.TransferredLength)
{
throw new IOException(String.Format("{0}:Failed writing {1} byte(s) to endpoint 0x{2:X2}.",
asyncTransfer.Result,
asyncTransfer.mCount - asyncTransfer.TransferredLength,
mUsbEndpoint.EpNum));
}
throw new IOException(String.Format("{0}:Failed writing to endpoint 0x{1:X2}", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
UsbStreamAsyncTransfer asyncTransfer = new UsbStreamAsyncTransfer(mUsbEndpoint, buffer, offset, count, callback, state, WriteTimeout);
WaitThread.Start(asyncTransfer);
return(asyncTransfer);
}
public override int EndRead(IAsyncResult asyncResult)
{
UsbStreamAsyncTransfer asyncTransfer = (UsbStreamAsyncTransfer)asyncResult;
asyncTransfer.mCompleteEvent.WaitOne();
if (asyncTransfer.Result == ErrorCode.Success)
{
return(asyncTransfer.TransferredLength);
}
if (asyncTransfer.Result == ErrorCode.IoTimedOut)
{
throw new TimeoutException(String.Format("{0}:Endpoint 0x{1:X2} IO timed out.", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
if (asyncTransfer.Result == ErrorCode.IoCancelled)
{
throw new IOCancelledException(String.Format("{0}:Endpoint 0x{1:X2} IO was cancelled.", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
throw new IOException(string.Format("{0}:Failed reading from endpoint:{1}", asyncTransfer.Result, mUsbEndpoint.EpNum));
}
private static void AsyncTransferFn(object oContext)
{
UsbStreamAsyncTransfer context = oContext as UsbStreamAsyncTransfer;
context.SyncTransfer();
}
public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
UsbStreamAsyncTransfer asyncTransfer = new UsbStreamAsyncTransfer(mUsbEndpoint, buffer, offset, count, callback, state, WriteTimeout);
WaitThread.Start(asyncTransfer);
return asyncTransfer;
}
