MdtCsmReadOut.cxx

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#include "MdtCsmReadOut.h"
 
//#include "GaudiKernel/ISvcLocator.h"
//#include "GaudiKernel/Bootstrap.h"
//#include "GaudiKernel/MsgStream.h"
//#include "GaudiKernel/IMessageSvc.h"
 
MdtCsmReadOut::MdtCsmReadOut() :
    m_dataWord(0),
    m_wordHeader(0),
    m_lvl1Id(0),
    m_clwc(0),
    m_ftyp(0),
    m_flags(0),
    m_ecnt(0),
    m_ctwc(0),
    m_mrodId(0),
    m_csmId(0),
    m_error(0),
    m_zeroSupp(0) {}
 
void MdtCsmReadOut::decodeWord(uint32_t dataWord) {
    setZero();
 
    m_dataWord = dataWord;
    m_word = dataWord;
    m_wordHeader = (dataWord >> s_headerPos) & s_headerBits;
 
    if (is_BOB()) {
        m_lvl1Id = getBits(getBitsWord(23, 0));
    } else if (is_LWC()) {
        m_ftyp = getBits(getBitsWord(23, 20));
        m_clwc = getBits(getBitsWord(19, 0));
    } else if (is_BOL()) {
        m_error = (bool)getBits(getBitsWord(20, 20));
        m_zeroSupp = (bool)getBits(getBitsWord(16, 16));
        m_mrodId = getBits(getBitsWord(15, 4));
        m_csmId = getBits(getBitsWord(3, 0));
    } else if (is_TLP()) {
        m_flags = getBits(getBitsWord(17, 0));
    } else if (is_TWC()) {
        m_ecnt = getBits(getBitsWord(23, 12));
        m_ctwc = getBits(getBitsWord(11, 0));
    }
}
 
uint32_t MdtCsmReadOut::makeBOB(uint32_t lvl1Id) {
    uint16_t nData = 2;
    uint32_t inputData[2] = {s_BOBvalue, lvl1Id};
    uint16_t inputPos[2] = {s_headerPos, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
uint32_t MdtCsmReadOut::makeLWC(uint32_t clwc) {
    uint16_t nData = 3;
    uint32_t inputData[3] = {s_LWCvalue, 0, clwc};
    uint16_t inputPos[3] = {s_headerPos, 20, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
uint32_t MdtCsmReadOut::makeBOL(uint16_t mrodId, uint16_t csmId) {
    uint16_t nData = 5;
    // Error and Zero-suppression bits are by now set to 0 (no error)
    // and 1 (Zero-suppression activated)
    uint32_t inputData[5] = {s_BOLvalue, 0, 1, mrodId, csmId};
    uint16_t inputPos[5] = {s_headerPos, 20, 16, 4, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
uint32_t MdtCsmReadOut::makeTLP(uint32_t flags) {
    uint16_t nData = 4;
    uint32_t inputData[4] = {s_TLPvalue, 0, 0, flags};
    uint16_t inputPos[4] = {s_headerPos, 20, 18, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
uint32_t MdtCsmReadOut::makeTWC(uint16_t ecnt, uint16_t ctwc) {
    uint16_t nData = 3;
    uint16_t inputData[3] = {s_TWCvalue, ecnt, ctwc};
    uint16_t inputPos[3] = {s_headerPos, 12, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
uint32_t MdtCsmReadOut::makeEOB(uint32_t wcnt) {
    uint16_t nData = 2;
    uint32_t inputData[2] = {s_EOBvalue, wcnt};
    uint16_t inputPos[2] = {s_headerPos, 0};
 
    return setBits(nData, inputData, inputPos);
}
 
void MdtCsmReadOut::setZero() {
    m_lvl1Id = 0;  // Lvl1 Id
    m_clwc = 0;    // Link word count
    m_ftyp = 0;    // flag type
    m_flags = 0;   // flags
 
    m_ecnt = 0;  // Event counter
    m_ctwc = 0;  // Trailer word count
 
    m_mrodId = 0;        // MROD number
    m_csmId = 0;         // CSM Link number
    m_error = false;     // Error flag
    m_zeroSupp = false;  // TDC zero-suppressed flag
}