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#ifndef EventFilter_EcalRawToDigi_interface_ElectronicsIdGPU_h
#define EventFilter_EcalRawToDigi_interface_ElectronicsIdGPU_h
#include <cstdint>
#include "DataFormats/EcalDetId/interface/EcalSubdetector.h"
namespace ecal {
namespace raw {
/** \brief Ecal readout channel identification
[32:20] Unused (so far)
[19:13] DCC id
[12:6] tower
[5:3] strip
[2:0] xtal
Index starts from 1
*/
class ElectronicsIdGPU {
public:
/** Default constructor -- invalid value */
constexpr ElectronicsIdGPU() : id_{0xFFFFFFFFu} {}
/** from raw */
constexpr ElectronicsIdGPU(uint32_t id) : id_{id} {}
/** Constructor from dcc,tower,channel **/
constexpr ElectronicsIdGPU(uint8_t const dccid, uint8_t const towerid, uint8_t const stripid, uint8_t const xtalid)
: id_{static_cast<uint32_t>((xtalid & 0x7) | ((stripid & 0x7) << 3) | ((towerid & 0x7F) << 6) |
((dccid & 0x7F) << 13))} {}
constexpr uint32_t operator()() { return id_; }
constexpr uint32_t rawId() const { return id_; }
/// get the DCC (Ecal Local DCC value not global one) id
constexpr uint8_t dccId() const { return (id_ >> 13) & 0x7F; }
/// get the tower id
constexpr uint8_t towerId() const { return (id_ >> 6) & 0x7F; }
/// get the tower id
constexpr uint8_t stripId() const { return (id_ >> 3) & 0x7; }
/// get the channel id
constexpr uint8_t xtalId() const { return (id_ & 0x7); }
/// get the subdet
//EcalSubdetector subdet() const;
/// get a fast, compact, unique index for linear lookups (maximum value = 4194303)
constexpr uint32_t linearIndex() const { return id_ & 0x3FFFFF; }
/// so far for EndCap only :
//int channelId() const; // xtal id between 1 and 25
static constexpr int kTowersInPhi = 4; // see EBDetId
static constexpr int kCrystalsInPhi = 20; // see EBDetId
static constexpr uint8_t MAX_DCCID = 54; //To be updated with correct and final number
static constexpr uint8_t MIN_DCCID = 1;
static constexpr uint8_t MAX_TOWERID = 70;
static constexpr uint8_t MIN_TOWERID = 1;
static constexpr uint8_t MAX_STRIPID = 5;
static constexpr uint8_t MIN_STRIPID = 1;
static constexpr uint8_t MAX_CHANNELID = 25;
static constexpr uint8_t MIN_CHANNELID = 1;
static constexpr uint8_t MAX_XTALID = 5;
static constexpr uint8_t MIN_XTALID = 1;
static constexpr int MIN_DCCID_EEM = 1;
static constexpr int MAX_DCCID_EEM = 9;
static constexpr int MIN_DCCID_EBM = 10;
static constexpr int MAX_DCCID_EBM = 27;
static constexpr int MIN_DCCID_EBP = 28;
static constexpr int MAX_DCCID_EBP = 45;
static constexpr int MIN_DCCID_EEP = 46;
static constexpr int MAX_DCCID_EEP = 54;
static constexpr int DCCID_PHI0_EBM = 10;
static constexpr int DCCID_PHI0_EBP = 28;
static constexpr int kDCCChannelBoundary = 17;
static constexpr int DCC_EBM = 10; // id of the DCC in EB- which contains phi=0 deg.
static constexpr int DCC_EBP = 28; // id of the DCC in EB+ which contains phi=0 deg.
static constexpr int DCC_EEM = 1; // id of the DCC in EE- which contains phi=0 deg.
static constexpr int DCC_EEP = 46; // id of the DCC in EE+ which contains phi=0 deg.
private:
uint32_t id_;
};
} // namespace raw
} // namespace ecal
#endif // EventFilter_EcalRawToDigi_interface_ElectronicsIdGPU_h
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