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nikolas |
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#include "PamVMCTofDig.h" |
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#include "TDatabasePDG.h" |
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#include <TMath.h> |
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#include <TRandom.h> |
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using TMath::Power; |
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using TMath::Exp; |
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using TMath::Abs; |
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ClassImp(PamVMCTofDig) |
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void PamVMCTofDig::LoadCalib(){ |
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cout<<"Loading Tof Calibrations..."<<endl; |
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Int_t time=3; |
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Int_t type=202; |
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fdberr = fsql->Query_GL_PARAM(time,type); |
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fquery.str(""); |
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fquery << fsql->GetPAR()->PATH.Data() << "/"; |
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fquery << fsql->GetPAR()->NAME.Data(); |
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ThrowCalFileUsage("TOF",fquery.str().c_str()); |
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fcfile.open(fquery.str().c_str()); |
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// fcfile.open("/opt/pamela-5.21/calib/tof-param/ToFCalibParam.txt"); |
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if(!fcfile) ThrowCalFileWarning("TOF"); else { |
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Int_t temp; |
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for(Int_t i=0; i<NP; i++){ |
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fcfile >> temp; |
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fcfile >> fatte1[i]; |
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fcfile >> flambda1[i]; |
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fcfile >> fatte2[i]; |
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fcfile >> flambda2[i]; |
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fcfile >> temp; |
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} |
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} |
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fcfile.close(); |
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} |
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void PamVMCTofDig::DigitizeTOF(Int_t EventNo, Int_t PrimaryPDG){ |
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fDEBUG = kFALSE; |
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// pC < 800 |
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const Float_t ADC_pC0A = -4.437616e+01; |
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const Float_t ADC_pC1A = 1.573329e+00; |
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const Float_t ADC_pC2A = 2.780518e-04; |
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const Float_t ADC_pC3A = -2.302160e-07; |
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// pC > 800: |
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const Float_t ADC_pC0B = -2.245756e+02; |
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const Float_t ADC_pC1B = 2.184156e+00; |
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const Float_t ADC_pC2B = -4.171825e-04; |
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const Float_t ADC_pC3B = 3.789715e-08; |
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const Float_t pCthres=40.; // threshold in charge |
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const Int_t ADClast=4095; // no signal --> ADC ch=4095 |
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const Int_t ADCsat=3100; // saturation value for the ADCs |
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const Int_t TDClast=4095; |
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for(Int_t i =0; i<NP; i++){ |
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fQevePmt_pC[i]=ftdc[i]=ftdc1[i]=0.; |
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ftdcpmt[i]=1000.; |
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} |
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TClonesArray* hc = 0; |
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const char* keyplane [6] = {"S11Y","S12X","S21X","S22Y","S31Y","S32X"}; |
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for(Int_t i=0; i<6; i++){ |
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hc = (TClonesArray*)fhitscolmap.GetValue(keyplane[i]); |
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if (hc) DigitizeTofPlane(i,hc, PrimaryPDG); |
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hc = 0; |
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} |
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//+++++ ADC +++++ |
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for(Int_t i=0; i<NP; i++){ |
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if (fQevePmt_pC[i] < 800.) |
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fADCtof[i]= (Int_t)(ADC_pC0A + ADC_pC1A*fQevePmt_pC[i] |
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+ ADC_pC2A*Power(fQevePmt_pC[i],2) |
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+ ADC_pC3A*Power(fQevePmt_pC[i],3)); |
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if ((fQevePmt_pC[i] > 800.) && (fQevePmt_pC[i] <= 2485.)) |
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fADCtof[i]= (Int_t)(ADC_pC0B + ADC_pC1B*fQevePmt_pC[i] |
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+ ADC_pC2B*Power(fQevePmt_pC[i],2) |
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+ ADC_pC3B*Power(fQevePmt_pC[i],3)); |
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if (fQevePmt_pC[i] > 2485.) fADCtof[i]= (Int_t)(1758. + 0.54*fQevePmt_pC[i]); |
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//assuming a fictional 0.54 ch/pC above ADCsat |
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if (fADCtof[i]>ADCsat) fADCtof[i]=ADCsat; |
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if (fQevePmt_pC[i] < pCthres) fADCtof[i]= ADClast; |
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if (fADCtof[i] < 0) fADCtof[i]=ADClast; |
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if (fADCtof[i] > ADClast) fADCtof[i]=ADClast; |
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} |
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// ====== TDC coincidence ====== |
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Float_t t_coinc = 0; |
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Int_t ilast = 100; |
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for (Int_t ii=0; ii<NP;ii++) |
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if (ftdc[ii] > t_coinc) { |
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t_coinc = ftdc[ii]; |
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ilast = ii; |
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} |
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for (Int_t ii=0; ii<NP;ii++){ |
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if (ftdc[ii] != 0) ftdc1[ii] = t_coinc - ftdcpmt[ii]; // test 2 |
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ftdc1[ii] = ftdc1[ii]/ftdcres[ii]; // divide by TDC resolution |
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if (ftdc[ii] != 0) ftdc1[ii] = ftdc1[ii] + fc3_S[ii]; // add cable length c3 |
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} |
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if (fDEBUG)cout<<"====== TOF coincidence ======"<<endl; |
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for(Int_t i=0; i<NP; i++){ |
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if(ftdc1[i] != 0.){ |
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fTDCint[i]=(Int_t)ftdc1[i]; |
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if (fTDCint[i]>4093) fTDCint[i]=TDClast; // 18-oct WM |
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if (fDEBUG)cout<<"PMT: "<<i<<" ADC: "<<fADCtof[i]<<" TDC: " |
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<<fTDCint[i]<<endl; |
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} else |
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fTDCint[i]= TDClast; |
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} |
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if (fDEBUG)cout<<"============================="<<endl; |
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//------ use channelmap for ToF: 18-oct WM |
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Int_t channelmap[] = {3,21,11,29,19,45,27,37,36,28,44,20,5,12,13,4, |
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6,47,14,39,22,31,30,23,38,15,46,7,0,33,16,24, |
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8,41,32,40,25,17,34,9,42,1,2,10,18,26,35,43}; |
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Int_t ADChelp[NP],TDChelp[NP]; |
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for(Int_t i=0; i<NP; i++){ |
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Int_t ii=channelmap[i]; |
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ADChelp[ii]= fADCtof[i]; |
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TDChelp[ii]= fTDCint[i]; |
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} |
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for(Int_t i=0; i<NP; i++){ |
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fADCtof[i]= ADChelp[i]; |
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fTDCint[i]= TDChelp[i]; |
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} |
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// ====== write DataTof ======= |
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UChar_t Ctrl3bit[8]={32,0,96,64,160,128,224,192}; // DC (msb in 8 bit word ) |
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UChar_t tofBin; |
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UChar_t DataTof[276]; |
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for (Int_t j=0; j < 276; j++)DataTof[j]=0x00; |
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UChar_t *pTof=DataTof; |
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for (Int_t j=0; j < 12; j++){ // loop on TDC #12 |
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Int_t j12=j*23; // for each TDC 23 bytes (8 bits) |
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DataTof[j12+0]=0x00; // TDC_ID |
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DataTof[j12+1]=0x00; // EV_COUNT |
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DataTof[j12+2]=0x00; // TDC_MASK (1) |
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DataTof[j12+3]=0x00; // TDC_MASK (2) |
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for (Int_t k=0; k < 4; k++){ // for each TDC 4 channels (ADC+TDC) |
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Int_t jk12=j12+4*k; // ADC,TDC channel (0-47) |
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tofBin =(UChar_t)(fADCtof[k+4*j]/256); // ADC# (msb) |
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DataTof[jk12+4] = Bin2GrayTof(tofBin,DataTof[jk12+4]); |
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/* control bits inserted here, after the bin to gray conv - DC*/ |
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DataTof[jk12+4] = Ctrl3bit[2*k] | DataTof[jk12+4]; |
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tofBin=(UChar_t)(fADCtof[k+4*j]%256); // ADC# (lsb) |
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DataTof[jk12+5] = Bin2GrayTof(tofBin,DataTof[jk12+5]); |
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tofBin=(UChar_t)(fTDCint[k+4*j]/256); // TDC# (msb) |
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DataTof[jk12+6]=Bin2GrayTof(tofBin,DataTof[jk12+6]); |
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/* control bits inserted here, after the bin to gray conv - DC*/ |
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DataTof[jk12+6] = Ctrl3bit[2*k+1] | DataTof[jk12+6]; |
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tofBin=(UChar_t)(fTDCint[k+4*j]%256); // TDC# (lsb) |
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DataTof[jk12+7]=Bin2GrayTof(tofBin,DataTof[jk12+7]); |
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} |
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DataTof[j12+20]=0x00; // TEMP1 |
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DataTof[j12+21]=0x00; // TEMP2 |
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DataTof[j12+22]= EvaluateCrc(pTof,22); // CRC |
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pTof+=23; |
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} |
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//===== write DataTrigger ======= |
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UChar_t DataTrigger[152]; |
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for (Int_t j=0; j < 152; j++)DataTrigger[j]=0x00; |
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UChar_t *pTrg=DataTrigger; |
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// Only the variables with a (*) are modified; the others are set to 0 |
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// info given in #bites data + #bites crc |
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// TB_READ_PMT_PLANE : 6 + 1 |
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// TB_READ_EVENT_COUNT : 3 + 1 (*) |
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// TB_READ_TRIGGER_RATE : 12 + 1 |
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// TB_READ_D_L_TIME : 4 + 1 |
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// TB_READ_S4_CAL_COUNT : 4 + 1 |
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// TB_READ_PMT_COUNT1 : 48 + 1 |
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// TB_READ_PMT_COUNT2 : 48 + 1 |
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// TB_READ_PATTERN_BUSY : 8 + 1 |
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// TB_READ_PATTERN_TRIGGER: 7 + 1 (*) |
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// TB_READ_TRIGGER_CONF : 2 + 1 (*) |
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// TB_READ_EVENT_COUNT |
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UInt_t cTrg = EventNo; //counter |
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UInt_t cTrg2 = 0; //counter with bits inverted, according to document |
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//"formato dati provenienti dalla trigger board" |
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for (Int_t i=0; i < 24; i++){ // Use the first 24 bits |
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if (cTrg & (0x1 << i) ) |
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cTrg2 = cTrg2 | (0x1 << (24-i)); |
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} |
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DataTrigger[7] = (UChar_t)(cTrg2 >> 16); // 8 MSbits (out of 24) |
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DataTrigger[8] = (UChar_t)(cTrg2 >> 8); // 8 "middle" bits |
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DataTrigger[9] = (UChar_t)(cTrg2); // 8 LSbits |
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pTrg=DataTrigger+7; |
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DataTrigger[10]=EvaluateCrc(pTrg, 3); |
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// TB_READ_PATTERN_TRIGGER: bytes 141-148: |
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// PatternTrigMap[i] corresponds to bit i in TB_READ_PATTERN_TRIGGER: |
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// mapping according to documents: |
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// 1. "formato dati provenienti dalla trigger board" |
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// 2. "The ToF quicklook software", Appendix A (Campana, Nagni) |
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Int_t PatternTrigMap[]={29,42,43,1,16,7,17,28,33,41,46,2,15,8,18,27, |
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30,40,44,3,14,9,19,26,32,37,47,4,13,10,20,25, |
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34,31,38,45,5,12,21,24,36,35,39,48,6,11,22,23}; |
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for (Int_t i=0; i<NP; i++){ |
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if (ftdc1[channelmap[i]]!=0) |
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DataTrigger[147-(Int_t)((PatternTrigMap[i]+1)/8)]=DataTrigger[147-(Int_t)((PatternTrigMap[i]+1)/8)] | (0x1 << (PatternTrigMap[i]%8)); |
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} |
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pTrg=DataTrigger+141; |
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DataTrigger[148]=EvaluateCrc(pTrg, 7); |
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// TB_READ_TRIGGER_CONF : set always acq.mode TOF4 |
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// |
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// TOF1: S1-S2-S3 (&,|) |
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// TOF4: S2-S3 (&,&) |
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DataTrigger[149]=0x02; |
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DataTrigger[150]=0x0; |
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pTrg=DataTrigger+149; |
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DataTrigger[151]=EvaluateCrc(pTrg, 2); |
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//++++++ WRITE EVERYTHING TO DIGITIZER'S BUFFER +++// |
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cout<<"TOF Digitizing"<<endl; |
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fDataC.clear(); //clearing Tof & Trig data buffer |
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for(Int_t i= 0; i<152; i++) fDataC.push_back(DataTrigger[i]); |
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for(Int_t i= 0; i<276; i++) fDataC.push_back(DataTof[i]); |
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} |
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Float_t PamVMCTofDig::TimeRes(Int_t PrimaryPDG){ |
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Float_t time_res[8] = {425.,210.,170.,130.,120.,120.,120.,120.}; |
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Int_t Z = Int_t((TDatabasePDG::Instance()->GetParticle(PrimaryPDG))->Charge()/3.); |
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Float_t dt1 = 1.e-12*time_res[0]; // single PMT resolution for Z=1 (WM, Nov'07) |
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if ((Z > 1) && (Z < 9)) dt1=1.e-12*time_res[(Z-1)]; |
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if (Z > 8) dt1=120.e-12; |
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return dt1; |
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} |
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void PamVMCTofDig::DigitizeTofPlane(Int_t planeNo, TClonesArray* HitColl, Int_t PrimaryPDG){ |
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PamVMCDetectorHit * hit = 0; |
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const Float_t veff0 = 100.*1.0e8;//(m/s) light velocity in scintillator |
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const Float_t veff1 = 100.*1.5e8;//(m/s) light velocity in lightguide |
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const Float_t FGeo[2] = {0.5, 0.5}; //geometrical factor |
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const Float_t Pho_keV = 10.;// photons per keV in scintillator |
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const Float_t effi = 0.21; //photocathofe efficiency |
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const Float_t pmGain = 3.5e6; //PMT Gain: the same for all PMTs |
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const Float_t echarge = 1.6e-19; // electron charge |
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const Float_t thresh=20.; // to be defined better... (Wolfgang) |
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const Float_t dimel[6] = {33.0, 40.8 ,18.0, 15.0, 15.0, 18.0}; //(cm) TOF paddles dimensions |
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// S11 8 paddles 33.0 x 5.1 cm |
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// S12 6 paddles 40.8 x 5.5 cm |
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// S21 2 paddles 18.0 x 7.5 cm |
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// S22 2 paddles 15.0 x 9.0 cm |
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// S31 3 paddles 15.0 x 6.0 cm |
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// S32 3 paddles 18.0 x 5.0 cm |
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| 284 |
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const Float_t s_l_g[6] = {8.0, 8.0, 20.9, 22.0, 9.8, 8.3 }; //(cm) length of the lightguide |
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const Float_t ScaleFact[48]={0.39, 0.49, 0.38, 0.40, 0.65, 0.51, 0.43, |
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0.49, 0.58, 0.38, 0.53, 0.57, 0.53, 0.45, 0.49, 0.16, |
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0.15, 0.44, 0.28, 0.57, 0.26, 0.72, 0.37, 0.29, 0.30, 0.89, |
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0.37, 0.08, 0.27, 0.23, 0.12, 0.22, 0.15, 0.16, 0.21, |
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0.19, 0.41, 0.32, 0.39, 0.38, 0.28, 0.66, 0.28, 0.40, 0.39, 0.40, 0.37, 0.35 }; |
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| 292 |
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Float_t t1, t2, tpos, Npho; |
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Float_t path[2], knorm[2], Atten[2], QhitPad_pC[2], QhitPmt_pC[2]; |
| 294 |
|
|
Int_t padNo, pmtleft, pmtright; |
| 295 |
|
|
//LOOP |
| 296 |
|
|
for(Int_t i =0; i<HitColl->GetEntriesFast(); i++){ |
| 297 |
|
|
|
| 298 |
|
|
hit = (PamVMCDetectorHit*)HitColl->At(i); |
| 299 |
|
|
|
| 300 |
|
|
t1=t2 = hit->GetTOF(); |
| 301 |
|
|
padNo = hit->GetPOS()-1; |
| 302 |
|
|
pmtleft=pmtright=0; |
| 303 |
|
|
if(planeNo==2) |
| 304 |
|
|
if(padNo==0) |
| 305 |
|
|
padNo=1; |
| 306 |
|
|
else |
| 307 |
|
|
padNo=0; |
| 308 |
|
|
|
| 309 |
|
|
Paddle2Pmt(planeNo,padNo, &pmtleft, &pmtright); |
| 310 |
|
|
|
| 311 |
|
|
switch(planeNo){ |
| 312 |
|
|
case 0: |
| 313 |
|
|
case 3: |
| 314 |
|
|
case 4: |
| 315 |
|
|
tpos = (hit->GetYIN()+hit->GetYOUT())/2.; //Y-planes |
| 316 |
|
|
break; |
| 317 |
|
|
case 1: |
| 318 |
|
|
case 2: |
| 319 |
|
|
case 5: |
| 320 |
|
|
tpos = (hit->GetXIN()+hit->GetXOUT())/2.; //X-planes |
| 321 |
|
|
break; |
| 322 |
|
|
default: |
| 323 |
|
|
cout<<"PamVMCTofDig::DigitizeTOFPlane wrong plane no "<<planeNo<<endl; |
| 324 |
|
|
tpos = -100.; |
| 325 |
|
|
break; |
| 326 |
|
|
} |
| 327 |
|
|
|
| 328 |
|
|
path[0]= tpos + dimel[planeNo]/2.; // path to left PMT |
| 329 |
|
|
path[1]= dimel[planeNo]/2.- tpos; // path to right PMT |
| 330 |
|
|
|
| 331 |
|
|
if (fDEBUG) { |
| 332 |
|
|
cout <<"+++++ TOF HIT VERBOSE INFORMATION: +++++"<<endl; |
| 333 |
|
|
cout <<"planeNo "<<planeNo<<" padNo "<< padNo <<" tpos "<< tpos <<"\n"; |
| 334 |
|
|
cout <<"pmtleft, pmtright "<<pmtleft<<","<<pmtright<<endl; |
| 335 |
|
|
} |
| 336 |
|
|
|
| 337 |
|
|
Npho = hit->GetEREL()*Pho_keV*1.0e6; //calculation of photons number |
| 338 |
|
|
|
| 339 |
|
|
for(Int_t j=0; j<2; j++){ |
| 340 |
|
|
QhitPad_pC[j]= Npho*FGeo[j]*effi*pmGain*echarge*1.E12*ScaleFact[pmtleft+j]; |
| 341 |
|
|
knorm[j]=fatte1[pmtleft+j]*Exp(flambda1[pmtleft+j]*dimel[planeNo]/2.*Power(-1,j+1)) + |
| 342 |
|
|
fatte2[pmtleft+j]*Exp(flambda2[pmtleft+j]*dimel[planeNo]/2.*Power(-1,j+1)); |
| 343 |
|
|
Atten[j]=fatte1[pmtleft+j]*Exp(tpos*flambda1[pmtleft+j]) + |
| 344 |
|
|
fatte2[pmtleft+j]*Exp(tpos*flambda2[pmtleft+j]) ; |
| 345 |
|
|
QhitPmt_pC[j]= QhitPad_pC[j]*Atten[j]/knorm[j]; |
| 346 |
|
|
if (fDEBUG) { |
| 347 |
|
|
cout<<"pmtleft:"<<pmtleft<<" j:"<<j<<endl; |
| 348 |
|
|
cout<<"atte1:"<<fatte1[pmtleft+j]<<" lambda1:"<<flambda1[pmtleft+j] |
| 349 |
|
|
<<" atte2:"<<fatte2[pmtleft+j]<<" lambda2:"<<flambda2[pmtleft+j] |
| 350 |
|
|
<<endl; |
| 351 |
|
|
cout<<j<<" tpos:"<<tpos<<" knorm:"<<knorm[j]<<" "<<Atten[j]<<" " |
| 352 |
|
|
<<"QhitPmt_pC "<<QhitPmt_pC[j]<<endl; |
| 353 |
|
|
} |
| 354 |
|
|
} |
| 355 |
|
|
|
| 356 |
|
|
if(fDEBUG)cout<<"Energy release (keV):"<<hit->GetEREL()*1.e6<<" Npho:"<<Npho<< |
| 357 |
|
|
" QhitPmt_pC(left,right):"<<QhitPmt_pC[0]<<" "<<QhitPmt_pC[1]<<endl; |
| 358 |
|
|
|
| 359 |
|
|
fQevePmt_pC[pmtleft] += QhitPmt_pC[0]; //cdding charge from separate hits |
| 360 |
|
|
fQevePmt_pC[pmtright] += QhitPmt_pC[1]; |
| 361 |
|
|
|
| 362 |
|
|
// TDC |
| 363 |
|
|
// WM right and left <-> |
| 364 |
|
|
t1 += Abs(path[0]/veff0) + s_l_g[planeNo]/veff1; |
| 365 |
|
|
t2 += Abs(path[1]/veff0) + s_l_g[planeNo]/veff1; // Signal reaches PMT |
| 366 |
|
|
t1 = gRandom->Gaus(t1,TimeRes(PrimaryPDG)); //apply gaussian error dt |
| 367 |
|
|
t2 = gRandom->Gaus(t2,TimeRes(PrimaryPDG)); //apply gaussian error dt |
| 368 |
|
|
t1 += fc1_S[pmtleft] ; // Signal reaches Discriminator ,TDC starts to run |
| 369 |
|
|
t2 += fc1_S[pmtright] ; |
| 370 |
|
|
|
| 371 |
|
|
// check if signal is above threshold |
| 372 |
|
|
// then check if tdcpmt is already filled by another hit... |
| 373 |
|
|
// only re-fill if time is smaller |
| 374 |
|
|
if (QhitPmt_pC[0] > thresh) { |
| 375 |
|
|
if (ftdcpmt[pmtleft] == 1000.) { // fill for the first time |
| 376 |
|
|
ftdcpmt[pmtleft] = t1; |
| 377 |
|
|
ftdc[pmtleft] = t1 + fc2_S[pmtleft] ; // Signal reaches Coincidence |
| 378 |
|
|
} |
| 379 |
|
|
if (ftdcpmt[pmtleft] < 1000.) // is already filled! |
| 380 |
|
|
if (t1 < ftdcpmt[pmtleft]) { |
| 381 |
|
|
ftdcpmt[pmtleft] = t1; |
| 382 |
|
|
t1 += fc2_S[pmtleft] ; // Signal reaches Coincidence |
| 383 |
|
|
ftdc[pmtleft] = t1; |
| 384 |
|
|
} |
| 385 |
|
|
} |
| 386 |
|
|
if (QhitPmt_pC[1] > thresh) { |
| 387 |
|
|
if (ftdcpmt[pmtright] == 1000.) { // fill for the first time |
| 388 |
|
|
ftdcpmt[pmtright] = t2; |
| 389 |
|
|
ftdc[pmtright] = t2 + fc2_S[pmtright] ; // Signal reaches Coincidence |
| 390 |
|
|
} |
| 391 |
|
|
if (ftdcpmt[pmtright] < 1000.) // is already filled! |
| 392 |
|
|
if (t2 < ftdcpmt[pmtright]) { |
| 393 |
|
|
ftdcpmt[pmtright] = t2; |
| 394 |
|
|
t2+= fc2_S[pmtright] ; |
| 395 |
|
|
ftdc[pmtright] = t2; |
| 396 |
|
|
} |
| 397 |
|
|
} |
| 398 |
|
|
if(fDEBUG)cout<<"Time(s):"<<hit->GetTOF()<<" t1:"<<t1<<" t2:"<<t2<<endl |
| 399 |
|
|
<<"+++++ END OF TOF HIT +++++"<<endl; |
| 400 |
|
|
|
| 401 |
|
|
}; |
| 402 |
|
|
//END OF HIT COLLECTION LOOP |
| 403 |
|
|
|
| 404 |
|
|
} |
| 405 |
|
|
|
| 406 |
|
|
void PamVMCTofDig::Paddle2Pmt(Int_t planeNo, Int_t padNo, Int_t *pl, Int_t *pr){ |
| 407 |
|
|
//* @param plane (0 - 5) |
| 408 |
|
|
//* @param paddle (plane=0, paddle = 0,...5) |
| 409 |
|
|
//* @param padid (0 - 23) |
| 410 |
|
|
// |
| 411 |
|
|
Int_t padid=-1; |
| 412 |
|
|
Int_t pads[6]={8,6,2,2,3,3}; |
| 413 |
|
|
// |
| 414 |
|
|
Int_t somma=0; |
| 415 |
|
|
for(Int_t j=0; j<planeNo; j++) somma+=pads[j]; |
| 416 |
|
|
padid=padNo+somma; |
| 417 |
|
|
*pl = padid*2; |
| 418 |
|
|
*pr = *pl + 1; // WM |
| 419 |
|
|
|
| 420 |
|
|
} |
| 421 |
|
|
|
| 422 |
|
|
|
| 423 |
|
|
UChar_t PamVMCTofDig::Bin2GrayTof(UChar_t binaTOF,UChar_t grayTOF){ |
| 424 |
|
|
union graytof_data { |
| 425 |
|
|
UChar_t word; |
| 426 |
|
|
struct bit_field { |
| 427 |
|
|
unsigned b0:1; |
| 428 |
|
|
unsigned b1:1; |
| 429 |
|
|
unsigned b2:1; |
| 430 |
|
|
unsigned b3:1; |
| 431 |
|
|
unsigned b4:1; |
| 432 |
|
|
unsigned b5:1; |
| 433 |
|
|
unsigned b6:1; |
| 434 |
|
|
unsigned b7:1; |
| 435 |
|
|
} bit; |
| 436 |
|
|
} bi,gr; |
| 437 |
|
|
// |
| 438 |
|
|
bi.word = binaTOF; |
| 439 |
|
|
gr.word = grayTOF; |
| 440 |
|
|
// |
| 441 |
|
|
gr.bit.b0 = bi.bit.b1 ^ bi.bit.b0; |
| 442 |
|
|
gr.bit.b1 = bi.bit.b2 ^ bi.bit.b1; |
| 443 |
|
|
gr.bit.b2 = bi.bit.b3 ^ bi.bit.b2; |
| 444 |
|
|
gr.bit.b3 = bi.bit.b3; |
| 445 |
|
|
// |
| 446 |
|
|
/* bin to gray conversion 4 bit per time*/ |
| 447 |
|
|
// |
| 448 |
|
|
gr.bit.b4 = bi.bit.b5 ^ bi.bit.b4; |
| 449 |
|
|
gr.bit.b5 = bi.bit.b6 ^ bi.bit.b5; |
| 450 |
|
|
gr.bit.b6 = bi.bit.b7 ^ bi.bit.b6; |
| 451 |
|
|
gr.bit.b7 = bi.bit.b7; |
| 452 |
|
|
// |
| 453 |
|
|
return(gr.word); |
| 454 |
|
|
} |
| 455 |
|
|
|
| 456 |
|
|
void PamVMCTofDig::Crc8Tof(UChar_t *oldCRC, UChar_t *crcTof){ |
| 457 |
|
|
union crctof_data { |
| 458 |
|
|
UChar_t word; |
| 459 |
|
|
struct bit_field { |
| 460 |
|
|
unsigned b0:1; |
| 461 |
|
|
unsigned b1:1; |
| 462 |
|
|
unsigned b2:1; |
| 463 |
|
|
unsigned b3:1; |
| 464 |
|
|
unsigned b4:1; |
| 465 |
|
|
unsigned b5:1; |
| 466 |
|
|
unsigned b6:1; |
| 467 |
|
|
unsigned b7:1; |
| 468 |
|
|
} bit; |
| 469 |
|
|
} c,d,r; |
| 470 |
|
|
|
| 471 |
|
|
c.word = *oldCRC; |
| 472 |
|
|
//d.word = *newCRC; |
| 473 |
|
|
d.word = *crcTof; |
| 474 |
|
|
r.word = 0; |
| 475 |
|
|
|
| 476 |
|
|
r.bit.b0 = c.bit.b7 ^ c.bit.b6 ^ c.bit.b0 ^ |
| 477 |
|
|
d.bit.b0 ^ d.bit.b6 ^ d.bit.b7; |
| 478 |
|
|
|
| 479 |
|
|
r.bit.b1 = c.bit.b6 ^ c.bit.b1 ^ c.bit.b0 ^ |
| 480 |
|
|
d.bit.b0 ^ d.bit.b1 ^ d.bit.b6; |
| 481 |
|
|
|
| 482 |
|
|
r.bit.b2 = c.bit.b6 ^ c.bit.b2 ^ c.bit.b1 ^ c.bit.b0 ^ |
| 483 |
|
|
d.bit.b0 ^ d.bit.b1 ^ d.bit.b2 ^ d.bit.b6; |
| 484 |
|
|
|
| 485 |
|
|
r.bit.b3 = c.bit.b7 ^ c.bit.b3 ^ c.bit.b2 ^ c.bit.b1 ^ |
| 486 |
|
|
d.bit.b1 ^ d.bit.b2 ^ d.bit.b3 ^ d.bit.b7; |
| 487 |
|
|
|
| 488 |
|
|
r.bit.b4 = c.bit.b4 ^ c.bit.b3 ^ c.bit.b2 ^ |
| 489 |
|
|
d.bit.b2 ^ d.bit.b3 ^ d.bit.b4; |
| 490 |
|
|
|
| 491 |
|
|
r.bit.b5 = c.bit.b5 ^ c.bit.b4 ^ c.bit.b3 ^ |
| 492 |
|
|
d.bit.b3 ^ d.bit.b4 ^ d.bit.b5; |
| 493 |
|
|
|
| 494 |
|
|
r.bit.b6 = c.bit.b6 ^ c.bit.b5 ^ c.bit.b4 ^ |
| 495 |
|
|
d.bit.b4 ^ d.bit.b5 ^ d.bit.b6; |
| 496 |
|
|
|
| 497 |
|
|
r.bit.b7 = c.bit.b7 ^ c.bit.b6 ^ c.bit.b5 ^ |
| 498 |
|
|
d.bit.b5 ^ d.bit.b6 ^ d.bit.b7 ; |
| 499 |
|
|
|
| 500 |
|
|
*crcTof=r.word; |
| 501 |
|
|
//return r.word; |
| 502 |
|
|
}; |
| 503 |
|
|
|
| 504 |
|
|
|
| 505 |
|
|
|
| 506 |
|
|
|
| 507 |
|
|
UChar_t PamVMCTofDig::EvaluateCrc(UChar_t *pTrg, Int_t nb) { |
| 508 |
|
|
Bool_t DEBUG=false; |
| 509 |
|
|
if (DEBUG) |
| 510 |
|
|
return(0x00); |
| 511 |
|
|
|
| 512 |
|
|
UChar_t crcTrg=0x00; |
| 513 |
|
|
UChar_t *pc=&crcTrg, *pc2; |
| 514 |
|
|
pc2=pTrg; |
| 515 |
|
|
for (Int_t jp=0; jp < nb; jp++) |
| 516 |
|
|
Crc8Tof(pc2++,pc); |
| 517 |
|
|
return(crcTrg); |
| 518 |
|
|
} |
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