#include "Identifier/Identifiable.h"
#include "Identifier/Identifier.h"
#include <cstdint>

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Classes
class	HGTD_RDO

Detailed Description

Author: Alexander Leopold alexa.nosp@m.nder.nosp@m..leop.nosp@m.old@.nosp@m.cern..nosp@m.ch

This is a first implementation, but needs improvement in the future to be closer to real detector output. For now a format compatible with HGTD_Cluster was chosen for simplicity.

Raw data word as sent from the ASIC. Contains: - TOA 7 bits [0, 127]

TOT 9 bits [0, 511]
BCID ?? (5 bits left in 32 bit word), but seems to be 8 bits
L1A 4 bits [0-15]
L1ID 8 bits [0-255] for pixel: 8 (TOT) + 8 (BCID) + 4 (L1A) + 8 (L1ID) = 28 < 32 for HGTD: 7 (TOA) + 9 (TOT) + 8 (BCID) + 4 (L1A) + 8 (L1ID) = 36 > 32!! unsigned int -> 32 bits on 64 bit machines unsigned long long -> 64 bits on 64 bit machines

unsigned int m_word; //This is used for Pixel, eqv to uint32_t

uint64_t m_word; // FIXME might be that I have to use this here!!

since is quite large, can I use std::bitset<N> here? =>> wastes space?!

maybe better: bit field ?? struct HGTD_RAWBitfield { unsigned int toa : 7; unsigned int tot : 9; unsigned int bcid : 8; unsigned int l1a : 4; unsigned int l1id : 8; }; but: The layout of bit-fields is non-portable && might give issues with ROOT I/O maybe splitting the word into individual data members best? 16 bit for TAO & TOT (uint16_t) >=20 bit needed for bcid, l1a, l1id (uint16_t + uint8_t, grouped) totals to 40 bits

Definition in file HGTD_RDO.h.

Classes

Detailed Description