SCT_ReadoutTestAlg.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
// Athena includes
#include "SCT_ReadoutTestAlg.h"
 
#include "Identifier/Identifier.h"
 
// Constructor
SCT_ReadoutTestAlg::SCT_ReadoutTestAlg(const std::string& name, ISvcLocator* pSvcLocator) : 
  AthAlgorithm(name, pSvcLocator)
{
}
 
// Initialize
StatusCode SCT_ReadoutTestAlg::initialize() {  
  ATH_MSG_INFO("Calling initialize");
 
  // Retrieve readout tool
  ATH_CHECK(m_readout.retrieve());
 
  // Initalise chips configured in job options and add to vector
  std::vector<std::string>::const_iterator itr{m_chipConfigs.begin()};
  std::vector<std::string>::const_iterator end{m_chipConfigs.end()};
 
  for (short ichip{0}; itr != end; ++itr, ++ichip) {
    m_chips.push_back(initialiseChip(ichip, *itr));
  } 
 
  return StatusCode::SUCCESS;
}
 
// Execute
StatusCode SCT_ReadoutTestAlg::execute() {
  //This method is only used to test the readout tool, and only used within this package,
  // so the INFO level messages have no impact on performance of the tool when used by clients
 
  ATH_MSG_INFO("Calling execute");
 
  ATH_MSG_INFO( "Chips before readout ..." );
  for (const SCT_Chip& chip: m_chips) ATH_MSG_INFO(chip);
 
  // Determin readout for this module
  ATH_CHECK(m_readout->determineReadout(Identifier{m_moduleId}, m_chips, m_link0ok, m_link1ok));
  
  ATH_MSG_INFO("Chips after readout ...");
  for (const SCT_Chip& chip: m_chips) ATH_MSG_INFO(chip);
 
  return StatusCode::SUCCESS;
}
 
// Finalize
StatusCode SCT_ReadoutTestAlg::finalize() {
  ATH_MSG_INFO("Calling finalize");
 
  return StatusCode::SUCCESS;
}
 
// Connvert a binary number to decimal
short SCT_ReadoutTestAlg::bin2dec(const char *bin)
{
  short b, k, m, n;
  short len;
  short sum{0};
  
  len = strlen(bin) - 1;
  for (k = 0; k <= len; k++) {
    n = (bin[k] - '0'); // char to numeric value
    if ((n > 1) or (n < 0)) {
      ATH_MSG_ERROR("ERROR! BINARY has only 1 and 0!");
      return 0;
    }
      
    for (b = 1, m = len; m > k; m--) {
      // 1 2 4 8 16 32 64 ... place-values, reversed here
      b *= 2;
    }
 
    // sum it up
    sum = sum + n * b;
  }
  return sum;
}
 
// Initalise chip from id and config string (all channels are initially good)
SCT_Chip SCT_ReadoutTestAlg::initialiseChip(short id, std::string configString) {
  // Opposite convention for LSB
  std::reverse(configString.begin(), configString.end());
  short config{bin2dec(configString.c_str())};
  const int minus1{-1};
  return {id, config, static_cast<uint32_t>(minus1), static_cast<uint32_t>(minus1), static_cast<uint32_t>(minus1), static_cast<uint32_t>(minus1)};
}