-// @(#)alimdc:$Name$:$Id$
-// Author: Fons Rademakers 26/11/99
-
/**************************************************************************
* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
* *
* provided "as is" without express or implied warranty. *
**************************************************************************/
+// @(#)alimdc:$Name$:$Id$
+// Author: Fons Rademakers 26/11/99
+
//////////////////////////////////////////////////////////////////////////
// //
// AliRawEquipmentHeader //
// //
//////////////////////////////////////////////////////////////////////////
-#include "AliRawEquipmentHeader.h"
+#include <Bytes.h>
+#include "AliRawEquipmentHeader.h"
ClassImp(AliRawEquipmentHeader)
+//______________________________________________________________________________
+AliRawEquipmentHeader::AliRawEquipmentHeader():
+ fSize(0),
+ fEquipmentType(0),
+ fEquipmentID(0xffffffff),
+ fBasicElementSizeType(0)
+{
+ // Default constructor
+ for(Int_t i = 0; i < kAttributeWords; i++)
+ fTypeAttribute[i] = 0;
+}
+
+//______________________________________________________________________________
+UInt_t AliRawEquipmentHeader::SwapWord(UInt_t x) const
+{
+ // Swap the endianess of the integer value 'x'
+
+ return (((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
+ ((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24));
+}
//______________________________________________________________________________
void AliRawEquipmentHeader::Swap()
// has already been swapped. This method is only called when the
// header is read from the DATE event builder (GDC).
- fSize = net2host(fSize);
- fEquipmentType = net2host(fEquipmentType);
- fEquipmentID = net2host(fEquipmentID);
- fBasicElementSizeType = net2host(fBasicElementSizeType);
+ fSize = SwapWord(fSize);
+ fEquipmentType = SwapWord(fEquipmentType);
+ fEquipmentID = SwapWord(fEquipmentID);
+ fBasicElementSizeType = SwapWord(fBasicElementSizeType);
for (int i = 0; i < kAttributeWords; i++)
- fTypeAttribute[i] = net2host(fTypeAttribute[i]);
+ fTypeAttribute[i] = SwapWord(fTypeAttribute[i]);
+}
+
+//______________________________________________________________________________
+void AliRawEquipmentHeader::Reset()
+{
+ // Reset the contents of the equipment
+ // header data
+ fSize = fEquipmentType = fBasicElementSizeType = 0;
+ fEquipmentID = 0xffffffff;
+
+ for(Int_t i = 0; i < kAttributeWords; i++)
+ fTypeAttribute[i] = 0;
}