SiPixelRawToDigi/src/ErrorCheckerPhase0.cc

0001 #include "EventFilter/SiPixelRawToDigi/interface/ErrorCheckerPhase0.h"
0002
0003 #include "CondFormats/SiPixelObjects/interface/SiPixelFrameConverter.h"
0004
0005 #include "DataFormats/DetId/interface/DetId.h"
0006 #include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
0007 #include "DataFormats/FEDRawData/interface/FEDHeader.h"
0008 #include "DataFormats/FEDRawData/interface/FEDTrailer.h"
0009
0010 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0011
0012 #include <bitset>
0013 #include <sstream>
0014 #include <iostream>
0015
0016 using namespace std;
0017 using namespace edm;
0018 using namespace sipixelobjects;
0019 using namespace sipixelconstants;
0020
0021 ErrorCheckerPhase0::ErrorCheckerPhase0() : ErrorCheckerBase() {}
0022
0023 bool ErrorCheckerPhase0::checkROC(bool& errorsInEvent,
0024                                   int fedId,
0025                                   const SiPixelFrameConverter* converter,
0026                                   const SiPixelFedCabling* theCablingTree,
0027                                   Word32& errorWord,
0028                                   SiPixelFormatterErrors& errors) const {
0029   int errorType = (errorWord >> ROC_shift) & ERROR_mask;
0030   if LIKELY (errorType < 25)
0031     return true;
0032
0033   switch (errorType) {
0034     case (25): {
0035       LogDebug("") << "  invalid ROC=25 found (errorType=25)";
0036       errorsInEvent = true;
0037       break;
0038     }
0039     case (26): {
0040       return false;
0041     }
0042     case (27): {
0043       return false;
0044     }
0045     case (28): {
0046       LogDebug("") << "  error fifo nearly full (errorType=28)";
0047       errorsInEvent = true;
0048       break;
0049     }
0050     case (29): {
0051       LogDebug("") << "  timeout on a channel (errorType=29)";
0052       errorsInEvent = true;
0053       if ((errorWord >> OMIT_ERR_shift) & OMIT_ERR_mask) {
0054         LogDebug("") << "  ...first errorType=29 error, this gets masked out";
0055         return false;
0056       }
0057       break;
0058     }
0059     case (30): {
0060       LogDebug("") << "  TBM error trailer (errorType=30)";
0061       errorsInEvent = true;
0062       break;
0063     }
0064     case (31): {
0065       LogDebug("") << "  event number error (errorType=31)";
0066       errorsInEvent = true;
0067       break;
0068     }
0069     default:
0070       return true;
0071   };
0072
0073   if (includeErrors_) {
0074     // check to see if overflow error for type 30, change type to 40 if so
0075     if (errorType == 30) {
0076       int StateMach_bits = 4;
0077       int StateMach_shift = 8;
0078       uint32_t StateMach_mask = ~(~uint32_t(0) << StateMach_bits);
0079       int StateMach = (errorWord >> StateMach_shift) & StateMach_mask;
0080       if (StateMach == 4 || StateMach == 9)
0081         errorType = 40;
0082     }
0083
0084     // store error
0085     SiPixelRawDataError error(errorWord, errorType, fedId);
0086     cms_uint32_t detId;
0087     detId = errorDetId(converter, errorType, errorWord);
0088     errors[detId].push_back(error);
0089   }
0090   return false;
0091 }
0092
0093 // this function finds the detId for an error word that cannot be processed in word2digi
0094 cms_uint32_t ErrorCheckerPhase0::errorDetId(const SiPixelFrameConverter* converter,
0095                                             int errorType,
0096                                             const Word32& word) const {
0097   if (!converter)
0098     return dummyDetId;
0099
0100   ElectronicIndex cabling;
0101
0102   switch (errorType) {
0103     case 25:
0104     case 30:
0105     case 31:
0106     case 36:
0107     case 40: {
0108       // set dummy values for cabling just to get detId from link if in Barrel
0109       cabling.dcol = 0;
0110       cabling.pxid = 2;
0111       cabling.roc = 1;
0112       cabling.link = (word >> LINK_shift) & LINK_mask;
0113
0114       DetectorIndex detIdx;
0115       int status = converter->toDetector(cabling, detIdx);
0116       if (status)
0117         break;
0118       if (DetId(detIdx.rawId).subdetId() == static_cast<int>(PixelSubdetector::PixelBarrel))
0119         return detIdx.rawId;
0120       break;
0121     }
0122     case 29: {
0123       int chanNmbr = 0;
0124       const int DB0_shift = 0;
0125       const int DB1_shift = DB0_shift + 1;
0126       const int DB2_shift = DB1_shift + 1;
0127       const int DB3_shift = DB2_shift + 1;
0128       const int DB4_shift = DB3_shift + 1;
0129       const cms_uint32_t DataBit_mask = ~(~cms_uint32_t(0) << 1);
0130
0131       int CH1 = (word >> DB0_shift) & DataBit_mask;
0132       int CH2 = (word >> DB1_shift) & DataBit_mask;
0133       int CH3 = (word >> DB2_shift) & DataBit_mask;
0134       int CH4 = (word >> DB3_shift) & DataBit_mask;
0135       int CH5 = (word >> DB4_shift) & DataBit_mask;
0136       int BLOCK_bits = 3;
0137       int BLOCK_shift = 8;
0138       cms_uint32_t BLOCK_mask = ~(~cms_uint32_t(0) << BLOCK_bits);
0139       int BLOCK = (word >> BLOCK_shift) & BLOCK_mask;
0140       int localCH = 1 * CH1 + 2 * CH2 + 3 * CH3 + 4 * CH4 + 5 * CH5;
0141       if (BLOCK % 2 == 0)
0142         chanNmbr = (BLOCK / 2) * 9 + localCH;
0143       else
0144         chanNmbr = ((BLOCK - 1) / 2) * 9 + 4 + localCH;
0145       if ((chanNmbr < 1) || (chanNmbr > 36))
0146         break;  // signifies unexpected result
0147
0148       // set dummy values for cabling just to get detId from link if in Barrel
0149       cabling.dcol = 0;
0150       cabling.pxid = 2;
0151       cabling.roc = 1;
0152       cabling.link = chanNmbr;
0153       DetectorIndex detIdx;
0154       int status = converter->toDetector(cabling, detIdx);
0155       if (status)
0156         break;
0157       if (DetId(detIdx.rawId).subdetId() == static_cast<int>(PixelSubdetector::PixelBarrel))
0158         return detIdx.rawId;
0159       break;
0160     }
0161     case 37:
0162     case 38: {
0163       cabling.dcol = 0;
0164       cabling.pxid = 2;
0165       cabling.roc = (word >> ROC_shift) & ROC_mask;
0166       cabling.link = (word >> LINK_shift) & LINK_mask;
0167
0168       DetectorIndex detIdx;
0169       int status = converter->toDetector(cabling, detIdx);
0170       if (status)
0171         break;
0172
0173       return detIdx.rawId;
0174       break;
0175     }
0176     default:
0177       break;
0178   };
0179   return dummyDetId;
0180 }