CrateParameters.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_CRATEPARAMETERS_H
#define O2_MID_CRATEPARAMETERS_H
 
#include <cstdint>
#include <array>
 
namespace o2
{
namespace mid
{
namespace crateparams
{
static constexpr unsigned int sNCratesPerSide = 8;
static constexpr unsigned int sNCrates = 2 * sNCratesPerSide;
static constexpr unsigned int sNGBTsPerCrate = 2;
static constexpr unsigned int sNGBTsPerSide = sNGBTsPerCrate * sNCratesPerSide;
static constexpr unsigned int sNGBTs = 2 * sNGBTsPerSide;
static constexpr unsigned int sMaxNBoardsInLink = 8;
static constexpr unsigned int sMaxNBoardsInCrate = sMaxNBoardsInLink * sNGBTsPerCrate;
static constexpr unsigned int sNELinksPerGBT = 10;
 
inline uint16_t makeGBTUniqueId(uint8_t crateId, uint8_t gbtId) { return sNGBTsPerCrate * crateId + gbtId; }
inline uint8_t getCrateIdFromGBTUniqueId(uint16_t gbtUniqueId) { return gbtUniqueId / sNGBTsPerCrate; }
inline uint8_t getGBTIdInCrate(uint16_t gbtUniqueId) { return gbtUniqueId % sNGBTsPerCrate; }
inline uint8_t getGBTIdFromBoardInCrate(uint8_t locId) { return locId / sMaxNBoardsInLink; }
inline uint8_t getCrateId(bool isRightSide, uint8_t crateIdOneSide) { return isRightSide ? crateIdOneSide : crateIdOneSide + sNCratesPerSide; }
// Gets the locId in crate from the loc position in the GBT
inline uint8_t getLocIdInCrate(uint16_t gbtUniqueId, int iloc) { return getGBTIdInCrate(gbtUniqueId) * sMaxNBoardsInLink + iloc; }
inline bool isRightSide(uint8_t crateId) { return (crateId / sNCratesPerSide) == 0; }
} // namespace crateparams
} // namespace mid
} // namespace o2
 
#endif /* O2_MID_CRATEPARAMETERS_H */