private int StmSubmitWrite(KSTM_INFO info,
KSTM_XFER_CONTEXT xferContext,
int xferContextIndex,
IntPtr nativeOverlapped)
{
int notUsedForAsync;
int bufferSize = xferContext.TransferLength;
bool success = mUsb.WritePipe(mPipeId, xferContext.Buffer, bufferSize, out notUsedForAsync, nativeOverlapped);
int errorCode = Marshal.GetLastWin32Error();
if (!success && errorCode == ErrorCodes.IoPending) return ErrorCodes.Success;
Debug.WriteLine(
String.Format("Failed submitting transfer. PipeID:{0:X2}h ErrorCode:{1:X8}h",
mPipeId,
errorCode),
"ERROR");
return errorCode;
}
private int StmComplete(KSTM_INFO stmInfo, KSTM_XFER_CONTEXT xferContext, int stmXferContextIndex, int errorCode)
{
Debug.WriteLineIf(errorCode != ErrorCodes.Success,
String.Format("Failed completing transfer. PipeID:{0:X2}h ErrorCode:{1:X8}h",
mPipeId,
errorCode),
"ERROR");
return errorCode;
}