DigiConverterFP420.cc

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// File: DigiConverterFP420.cc
// Date: 12.2006
// Description: DigiConverterFP420 for FP420
// Modifications:
#include "SimRomanPot/SimFP420/interface/DigiConverterFP420.h"

DigiConverterFP420::DigiConverterFP420(float in, int verbosity) {
  electronperADC = in;
  verbos = verbosity;

  const int defaultBits = 10;
  const int largestBits = 30;

  // example is in SiStrips:
  // static SimpleConfigurable<int>
  //    adcBits(defaultBits, "DigiConverterFP420:rawDataAdcBits");
  adcBits = defaultBits;

  if (adcBits > largestBits || adcBits < 1)
    adcBits = largestBits;

  theMaxADC = ~(~0 << adcBits);
  //      std::cout << "theMaxADC= "<< theMaxADC  << std::endl; // = 1023
  if (verbos > 0) {
    std::cout << " ***DigiConverterFP420: constructor" << std::endl;
    std::cout << "with known electronperADC =  " << electronperADC << "the adcBits =  " << adcBits
              << "  theMaxADC=  " << theMaxADC << "for known defaultBits=  " << defaultBits
              << " largestBits=  " << largestBits << std::endl;
  }
}

DConverterFP420::DigitalMapType DigiConverterFP420::convert(const signal_map_type &analogSignal) {
  DConverterFP420::DigitalMapType _temp;

  for (signal_map_type::const_iterator i = analogSignal.begin(); i != analogSignal.end(); i++) {
    // convert analog amplitude to digital, means integer number simulating ADC
    // digitization!
    // with truncation check
    int adc = convert((*i).second);

    if (verbos > 0) {
      std::cout << " ***DigiConverterFP420: convert: after truncation " << std::endl;
      std::cout << "adc =  " << adc << " (*i).first =  " << (*i).first << std::endl;
    }
    if (adc > 0)
      _temp.insert(_temp.end(), DigitalMapType::value_type((*i).first, adc));
  }

  return _temp;
}

int DigiConverterFP420::truncate(float in_adc) {
  int adc = int(in_adc);
  if (verbos > 0) {
    std::cout << " ***DigiConverterFP420: truncate" << std::endl;
    std::cout << "if adc =  " << adc << "bigger theMaxADC =  " << theMaxADC << " adc=theMaxADC !!!" << std::endl;
  }
  if (adc > theMaxADC)
    adc = theMaxADC;

  return adc;
}