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/****************************************************************************
*
* This is a part of the TOTEM offline software.
* Authors:
* Jan Kašpar (jan.kaspar@gmail.com)
* Nicola Minafra
*
****************************************************************************/
#ifndef EventFilter_CTPPSRawToDigi_RawDataUnpacker
#define EventFilter_CTPPSRawToDigi_RawDataUnpacker
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/FEDRawData/interface/FEDRawData.h"
#include "DataFormats/CTPPSDigi/interface/TotemFEDInfo.h"
#include "EventFilter/CTPPSRawToDigi/interface/VFATFrameCollection.h"
#include "EventFilter/CTPPSRawToDigi/interface/SimpleVFATFrameCollection.h"
#include "CondFormats/PPSObjects/interface/TotemT2FramePosition.h"
namespace pps {
/// \brief Collection of code for unpacking of TOTEM raw-data.
class RawDataUnpacker {
public:
typedef uint64_t word;
/// VFAT transmission modes
enum { vmCluster = 0x80, vmRaw = 0x90, vmDiamondCompact = 0xB0 };
// list of headers for all words encountered in diamond data frames
static constexpr unsigned int VFAT_DIAMOND_HEADER_OF_WORD_2 = 0x7800;
static constexpr unsigned int VFAT_DIAMOND_HEADER_OF_WORD_3 = 0x7000;
static constexpr unsigned int VFAT_DIAMOND_HEADER_OF_WORD_5 = 0x6800;
static constexpr unsigned int VFAT_DIAMOND_HEADER_OF_WORD_7 = 0x6000;
static constexpr unsigned int VFAT_HEADER_OF_EC = 0xC000;
RawDataUnpacker() {}
RawDataUnpacker(const edm::ParameterSet &conf);
/// Unpack data from FED with fedId into `coll' collection.
int run(int fedId,
const FEDRawData &data,
std::vector<TotemFEDInfo> &fedInfoColl,
SimpleVFATFrameCollection &coll) const;
/// Process one Opto-Rx (or LoneG) frame.
int processOptoRxFrame(const word *buf,
unsigned int frameSize,
TotemFEDInfo &fedInfo,
SimpleVFATFrameCollection *fc) const;
/// Process one Opto-Rx frame in serial (old) format
int processOptoRxFrameSerial(const word *buffer, unsigned int frameSize, SimpleVFATFrameCollection *fc) const;
/// Process one Opto-Rx frame in parallel (new) format
int processOptoRxFrameParallel(const word *buffer,
unsigned int frameSize,
TotemFEDInfo &fedInfo,
SimpleVFATFrameCollection *fc) const;
/// Process one Opto-Rx frame that contains SAMPIC frames
int processOptoRxFrameSampic(const word *buffer,
unsigned int frameSize,
TotemFEDInfo &fedInfo,
SimpleVFATFrameCollection *fc) const;
/// Process data from one VFAT in parallel (new) format
int processVFATDataParallel(const uint16_t *buf,
unsigned int maxWords,
unsigned int OptoRxId,
SimpleVFATFrameCollection *fc) const;
private:
unsigned char verbosity;
};
} // namespace pps
#endif
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