ClusterGroupAttribute.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
#ifndef CLUSTERGROUPATTRIBUTE_H
#define CLUSTERGROUPATTRIBUTE_H
 
 
#include <cstdint>
 
namespace o2
{
namespace tpc
{
 
struct ClusterGroupAttribute {
  uint8_t sector;
  uint8_t globalPadRow;
 
  void set(uint32_t subSpecification)
  {
    sector = (subSpecification >> 16) & 0xff;
    globalPadRow = subSpecification & 0xff;
  }
 
  uint32_t getSubSpecification() const { return sector << 16 | globalPadRow; }
};
 
struct ClusterGroupHeader : public ClusterGroupAttribute {
  uint16_t nClusters;
 
  ClusterGroupHeader(const ClusterGroupAttribute& attr, uint16_t n) : ClusterGroupAttribute(attr), nClusters(n) {}
};
 
static_assert(sizeof(ClusterGroupAttribute) == 2, "inconsistent padding detected");
static_assert(sizeof(ClusterGroupHeader) == 4, "inconsistent padding detected");
 
} // namespace tpc
} // namespace o2
 
#endif // CLUSTERGROUPATTRIBUTE_H