VDColdboxChannelMapService.hpp

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// Class:       VDColdboxChannelMapService
// Module type: service
// File:        VDColdboxChannelMapService.h
// Author:      Tom Junk, October 2021
//
// Implementation of hardware-offline channel mapping reading from a file.
 
#ifndef DETCHANNELSMAP_VDCOLDBOXCHANNELMAPSERVICE_H_
#define DETCHANNELSMAP_VDCOLDBOXCHANNELMAPSERVICE_H_
 
#include <string>
#include <unordered_map>
 
namespace dunedaq {
namespace detchannelmaps {
 
class VDColdboxChannelMapService
{
 
public:
  VDColdboxChannelMapService(std::string mapfile);
 
  struct VDCBChanInfo
  {
    int offlchan;        // in gdml and channel sorting convention
    int wib;             // slot number +1:    1, 2, 3, or 4
    int wibconnector;    // which board on the WIB  1, 2, 3, or 4
    int cebchan;         // cold electronics channel on board:  0 to 127
    int femb;            // FEMB ID:  1 to 14
    int asic;            // ASIC:   1 to 8
    int asicchan;        // ASIC channel:  0 to 15
    int connector;       // detector connector
    std::string stripid; // strip name, with plane and number.  e.g. U79
    bool valid;          // true if valid, false if not
  };
 
  // Access methods
 
  // The function below gets cold electronics info from offline channel number.  Sets valid to be false if
  // there is no corresponding cold electronics channel
 
  VDCBChanInfo getChanInfoFromOfflChan(int offlchan);
 
  // 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 getOfflChanFromWIBConnectorInfo(int wib, int wibconnector, int cechan);
 
  // 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
 
  int getOfflChanFromSlotFiberChan(int slot, int fiber, int chan);
 
private:
  //  map so we can look up channel info by offline channel number
 
  std::unordered_map<int, VDCBChanInfo> chantoinfomap;
 
  // map so we can look up offline channel number by channel info  (three keys), wib, wibconnector, and cechan
 
  std::unordered_map<int, std::unordered_map<int, std::unordered_map<int, int>>> infotochanmap;
};
 
} // namespace detchannelmaps
} // namespace dunedaq
 
#endif /* DETCHANNELSMAP_VDCOLDBOXCHANNELMAPSERVICE_H_ */