DCCEventBlock.h File Reference

#include <DataFormats/EcalRawData/interface/EcalRawDataCollections.h>
#include <DataFormats/EcalDigi/interface/EcalDigiCollections.h>
#include "DCCRawDataDefinitions.h"

Go to the source code of this file.

Classes
class	DCCEventBlock

Enumerations
enum	BlockType { FE_MEM = 1, TCC_SRP = 2 }

Functions
bool	isSynced (const unsigned int dccBx, const unsigned int bx, const unsigned int dccL1, const unsigned int l1, const BlockType type, const unsigned int fov)

Enumeration Type Documentation

BlockType

enum BlockType

Enumerator
FE_MEM
TCC_SRP

Definition at line 138 of file DCCEventBlock.h.

{ FE_MEM = 1, TCC_SRP = 2 };

Function Documentation

isSynced()

bool isSynced	(	const unsigned int	dccBx,
		const unsigned int	bx,
		const unsigned int	dccL1,
		const unsigned int	l1,
		const BlockType	type,
		const unsigned int	fov
	)

Definition at line 228 of file DCCEventBlock.cc.

                                      {
  // avoid checking for MC until EcalDigiToRaw bugfixed
  // and to guarantee backward compatibility on RAW data
  if (fov < 1)
    return true;
  // check the BX sync according the following rule:
  //
  //   FE Block     MEM Block     TCC Block  SRP Block  DCC
  // ------------------------------------------------------------------
  //   fe_bx     == mem_bx == 0   tcc_bx ==  srp_bx ==  DCC_bx == 3564
  //   fe_bx     == mem_bx     == tcc_bx ==  srp_bx ==  DCC_bx != 3564
 
  const bool bxSynced = ((type == FE_MEM) && (bx == 0) && (dccBx == 3564)) ||
                        ((type == FE_MEM) && (bx == dccBx) && (dccBx != 3564)) || ((type == TCC_SRP) && (bx == dccBx));
 
  // check the L1A sync:
  //
  // L1A counter relation is valid modulo 0xFFF:
  // fe_l1  == mem_l1 == (DCC_l1-1) & 0xFFF
  // tcc_l1 == srp_l1 ==  DCC_l1    & 0xFFF
 
  const bool l1Synced =
      ((type == FE_MEM) && (l1 == ((dccL1 - 1) & 0xFFF))) || ((type == TCC_SRP) && (l1 == (dccL1 & 0xFFF)));
 
  return (bxSynced && l1Synced);
}

References l1GtPatternGenerator_cfi::bx, FE_MEM, and TCC_SRP.

Referenced by DCCFEBlock::unpack(), DCCSRPBlock::unpack(), DCCMemBlock::unpack(), and DCCTCCBlock::unpack().