ChannelScalers.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 O2_MID_CHANNELSCALERS_H
#define O2_MID_CHANNELSCALERS_H
 
#include <cstdint>
#include <unordered_map>
#include "DataFormatsMID/ColumnData.h"
 
namespace o2
{
namespace mid
{
 
class ChannelScalers
{
 public:
  void count(const ColumnData& patterns);
 
  void reset() { mScalers.clear(); }
 
  void merge(const ChannelScalers& other);
 
  inline uint8_t getDeId(uint32_t uniqueId) const { return ((uniqueId >> 12) & 0x7F); }
  inline uint8_t getColumnId(uint32_t uniqueId) const { return ((uniqueId >> 8) & 0xF); }
  inline uint8_t getCathode(uint32_t uniqueId) const { return ((uniqueId >> 6) & 0x1); }
  inline uint8_t getLineId(uint32_t uniqueId) const { return ((uniqueId >> 4) & 0x3); }
  inline uint8_t getStrip(uint32_t uniqueId) const { return (uniqueId & 0xF); }
 
  const std::unordered_map<uint32_t, uint32_t>& getScalers() const { return mScalers; }
 
 private:
  void count(uint8_t deId, uint8_t columnId, int lineId, int cathode, uint16_t pattern);
 
  inline uint32_t getChannelId(uint8_t deId, uint8_t columnId, int lineId, int strip, int cathode) { return strip | (lineId << 4) | (cathode << 6) | (static_cast<uint32_t>(columnId) << 8) | (static_cast<uint32_t>(deId) << 12); }
 
  std::unordered_map<uint32_t, uint32_t> mScalers{}; // Channel scalers
};
 
std::ostream& operator<<(std::ostream& os, const ChannelScalers& channelScalers);
 
} // namespace mid
} // namespace o2
 
#endif /* O2_MID_CHANNELSCALERS_H */