VDColdboxChannelMapService.cpp

Go to the documentation of this file.

// Class:       VDColdboxChannelMapService
// Module type: service
// File:        VDColdboxChannelMapService.h
// Author:      Tom Junk, October 2021
//
// Implementation of hardware-offline channel mapping reading from a file.
 
#include "VDColdboxChannelMapService.hpp"
 
#include <fstream>
#include <sstream>
 
namespace dunedaq {
namespace detchannelmaps {
 
VDColdboxChannelMapService::VDColdboxChannelMapService(std::string filename)
{
 
  std::ifstream inFile(filename, std::ios::in);
  if (inFile.bad() || inFile.fail() || !inFile.is_open()) {
    throw std::runtime_error(std::string("VDColdboxChannelMapService: Invalid map file ") + std::string(filename));
  }
 
  std::string line;
  while (std::getline(inFile, line)) {
    VDCBChanInfo chinfo;
    std::stringstream linestream(line);
    linestream >> chinfo.offlchan >> chinfo.wib >> chinfo.wibconnector >> chinfo.cebchan >> chinfo.femb >>
      chinfo.asic >> chinfo.asicchan >> chinfo.connector >> chinfo.stripid;
    chinfo.valid = true;
    chantoinfomap[chinfo.offlchan] = chinfo;
    infotochanmap[chinfo.wib][chinfo.wibconnector][chinfo.cebchan] = chinfo.offlchan;
  }
  inFile.close();
}
 
// The function below gets cold electronics info from offline channel number.  Sets valid to be false if
// there is no corresponding cold electronics channel
// if not found in the map, return a chan info struct filled with -1's and set the valid flag to false.
 
VDColdboxChannelMapService::VDCBChanInfo
VDColdboxChannelMapService::getChanInfoFromOfflChan(int offlchan)
{
  VDCBChanInfo r;
  auto fm = chantoinfomap.find(offlchan);
  if (fm == chantoinfomap.end()) {
    r.offlchan = -1;
    r.wib = -1;
    r.wibconnector = -1;
    r.cebchan = -1;
    r.femb = -1;
    r.asic = -1;
    r.asicchan = -1;
    r.connector = -1;
    r.stripid = "INVALID";
    r.valid = false;
  } else {
    r = fm->second;
  }
  return r;
}
 
// The function below uses conventions from Nitish's spreadsheet.  WIB: 1-3, wibconnector: 1-4, cechan: 0-127
// It returns an offline channel number of -1 if the wib, wibconnector, and cechan are not in the map
 
int
VDColdboxChannelMapService::getOfflChanFromWIBConnectorInfo(int wib, int wibconnector, int cechan)
{
  // int r = -1;
  // auto fm1 = infotochanmap.find(wib);
  // if (fm1 == infotochanmap.end()) return r;
  // auto& m1 = fm1->second;
  // auto fm2 = m1.find(wibconnector);
  // if (fm2 == m1.end()) return r;
  // auto& m2 = fm2->second;
  // auto fm3 = m2.find(cechan);
  // if (fm3 == m2.end()) return r;
  // r = fm3->second;
  // return r;
  try {
    return infotochanmap.at(wib).at(wibconnector).at(cechan);
  } catch (...) {
    return -1;
  }
  // return -1;
}
 
// For convenience, the function below  uses conventions from the DAQ WIB header, with two FEMBs per fiber
// on FELIX readout:  slot: 0-2, fiber=1 or 2, cehcan: 0-255
// it returns a channel number of -1 if the slot, fiber, chan combination is not in the map
 
int
VDColdboxChannelMapService::getOfflChanFromSlotFiberChan(int slot, int fiber, int chan)
{
  int wc = fiber * 2 - 1;
  if (chan > 127) {
    chan -= 128;
    wc++;
  }
  return getOfflChanFromWIBConnectorInfo(slot + 1, wc, chan);
}
 
} // namespace detchannelsmap
} // namespace dunedaq