/[PAMELA software]/PamelaDigitizer/DigitizeTOF.cxx
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Annotation of /PamelaDigitizer/DigitizeTOF.cxx

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Revision 1.2 - (hide annotations) (download)
Fri Jun 6 15:16:01 2008 UTC (16 years, 6 months ago) by pamelats
Branch: MAIN
CVS Tags: v3r00, v3r01, v3r02
Changes since 1.1: +1 -1 lines
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1 pamelats 1.1 #include <sstream>
2     #include <fstream>
3     #include <stdlib.h>
4     #include <stdio.h>
5     #include <string.h>
6     #include <ctype.h>
7     #include <time.h>
8     #include "Riostream.h"
9     #include "TFile.h"
10     #include "TDirectory.h"
11     #include "TTree.h"
12     #include "TLeafI.h"
13     #include "TH1.h"
14     #include "TH2.h"
15     #include "TF1.h"
16     #include "TMath.h"
17     #include "TRandom.h"
18     #include "TSQLServer.h"
19     #include "TSystem.h"
20     #include "CalibTrk1Event.h"
21     #include "CalibTrk2Event.h"
22     //
23     #include "Digitizer.h"
24     #include "CRC.h"
25     //
26     #include <PamelaRun.h>
27     #include <physics/calorimeter/CalorimeterEvent.h>
28     #include <CalibCalPedEvent.h>
29     #include "GLTables.h"
30    
31     void Digitizer::DigitizeTOF(int np,float *atte1,float *atte2,float *lambda1,float *lambda2){
32     //fDataTof: 12 x 23 bytes (=276 bytes)
33     UChar_t *pTof=fDataTof;
34     Bool_t DEBUG=false;
35    
36     Int_t cdp[75] = {0,1,1,0,1,1,0,1,1,0,1,1,0,1,1, //0-14
37     0,0,0,1,0,1,0,1,1,0,0,1,0,1,0, //15-29
38     1,1,1,1,2,2,2,3,3,3,3,4,4,4,1, //30-44
39     1,2,0,2,0,0,5,5,5,5,6,6,6,6,7, //45-59
40     3,3,4,4,5,5,6,7,8,9,10,11,12,13,14 }; //60-74
41    
42     int Z = cdp[Ipa-1];
43    
44     float time_res[8] = {425.,210.,170.,130.,120.,120.,120.,120.};
45    
46     Float_t dt1 = 1.e-12*time_res[0]; // single PMT resolution for Z=1 (WM, Nov'07)
47    
48     if ((Z > 1) && (Z < 9)) dt1=1.e-12*time_res[(Z-1)];
49     if (Z > 8) dt1=120.e-12;
50    
51    
52     // ------ evaluate energy in each pmt: ------
53     // strip geometry (lenght/width)
54     Float_t dimel[6] = {33.0, 40.8 ,18.0, 15.0, 15.0, 18.0};
55     // S11 8 paddles 33.0 x 5.1 cm
56     // S12 6 paddles 40.8 x 5.5 cm
57     // S21 2 paddles 18.0 x 7.5 cm
58     // S22 2 paddles 15.0 x 9.0 cm
59     // S31 3 paddles 15.0 x 6.0 cm
60     // S32 3 paddles 18.0 x 5.0 cm
61     Float_t FGeo[2]={0., 0.}; /* geometrical factor */
62     const Float_t Pho_keV = 10.; // photons per keV in scintillator
63     const Float_t echarge = 1.6e-19; // electron charge
64     Float_t Npho=0.;
65     Float_t QevePmt_pC[48];
66     Float_t QhitPad_pC[2]={0., 0.};
67     Float_t QhitPmt_pC[2]={0., 0.};
68     Float_t pmGain = 3.5e6; /* PMT Gain: the same for all PMTs */
69     Float_t effi=0.21; /* Efficienza di fotocatodo */
70     // pC < 800
71     Float_t ADC_pC0A = -4.437616e+01 ;
72     Float_t ADC_pC1A = 1.573329e+00 ;
73     Float_t ADC_pC2A = 2.780518e-04 ;
74     Float_t ADC_pC3A = -2.302160e-07 ;
75     // pC > 800:
76     Float_t ADC_pC0B = -2.245756e+02 ;
77     Float_t ADC_pC1B = 2.184156e+00 ;
78     Float_t ADC_pC2B = -4.171825e-04 ;
79     Float_t ADC_pC3B = 3.789715e-08 ;
80    
81     Float_t pCthres=40.; // threshold in charge
82     Int_t ADClast=4095; // no signal --> ADC ch=4095
83     Int_t ADCsat=3100; // saturation value for the ADCs
84     Int_t ADCtof[48];
85     Float_t ScaleFact[48]={0.39, 0.49, 0.38, 0.40, 0.65, 0.51, 0.43,
86     0.49, 0.58, 0.38, 0.53, 0.57, 0.53, 0.45, 0.49, 0.16,
87     0.15, 0.44, 0.28, 0.57, 0.26, 0.72, 0.37, 0.29, 0.30, 0.89,
88     0.37, 0.08, 0.27, 0.23, 0.12, 0.22, 0.15, 0.16, 0.21,
89     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 };
90     for(Int_t i=0; i<48; i++){
91     QevePmt_pC[i] = 0;
92     ADCtof[i]=0;
93     }
94     Int_t ip,ipad,pmtleft=0,pmtright=0,*pl,*pr;
95     pl = &pmtleft;
96     pr = &pmtright;
97     // TDC variables:
98     Int_t TDClast=4095,TDCint[48];
99     Float_t tdc[48],tdc1[48],tdcpmt[48];
100     for(Int_t i=0; i<48; i++) {
101     tdcpmt[i] = 1000.;
102     tdc[i] = 0.; // 18-oct WM
103     tdc1[i] = 0.; // 18-oct WM
104     }
105     Float_t thresh=20.; // to be defined better... (Wolfgang)
106     // === TDC: simulate timing for each paddle
107     Float_t tdcres[50],c1_S[50],c2_S[50],c3_S[50];
108     for(Int_t j=0;j<48;j++){
109     tdcres[j] = 50.E-12; // TDC resolution 50 picosec
110     c1_S[j] = 500.; // cable length in channels
111     c2_S[j] = 0.;
112     c3_S[j] = 1000.;
113     c1_S[j] = c1_S[j]*tdcres[j]; // cable length in sec
114     c2_S[j] = c2_S[j]*tdcres[j];
115     }
116     /* ********************************** start loop over hits */
117 pamelats 1.2 if(Nthtof>*ntf)cout<<"NTHTOF > "<<*ntf<<" , event rejected ! "<<Nthtof<<endl;
118 pamelats 1.1 else{
119     for(Int_t nh=0; nh<Nthtof; nh++){
120     //// if(Ipartof[nh]!=Ipa)continue;
121     Float_t s_l_g[6] = {8.0, 8.0, 20.9, 22.0, 9.8, 8.3 }; // length of the lightguide
122     Float_t t1,t2,veff,veff1,veff0 ;
123     veff0 = 100.*1.0e8 ; // light velocity in the scintillator in m/sec
124     veff1 = 100.*1.5e8; // light velocity in the lightguide in m/sec
125     veff=veff0; // signal velocity in the paddle
126     t1 = Timetof[nh] ; // Start
127     t2 = Timetof[nh] ;
128     // Donatella: redefinition plane and pad for vectors in C
129     ip = Ipltof[nh]-1;
130     ipad = Ipaddle[nh]-1;
131     pmtleft=0;
132     pmtright=0;
133     // WM: S12 paddles are "reversed" (Nov'07)
134     if (ip==2)
135     if (ipad==0)
136     ipad=1;
137     else
138     ipad=0;
139     // if (ip<6) {
140     if ((ip>-1)&&(ip<6)) { //ToF paddles only, not S4
141     Paddle2Pmt(ip, ipad, &pmtleft, &pmtright);
142     // DC: evaluates mean position and path inside the paddle
143     Float_t tpos=0.;
144     Float_t path[2] = {0., 0.};
145     //--- Strip in Y = S11,S22,S31 ------
146     if(ip==0 || ip==3 || ip==4)
147     tpos = (Yintof[nh]+Youttof[nh])/2.;
148     else
149     if(ip==1 || ip==2 || ip==5) //--- Strip in X for S12,S21,S32
150     tpos = (Xintof[nh]+Xouttof[nh])/2.;
151     else //if (ip!=6)
152     printf("*** WARNING TOF: this option should never occur! (ip=%2i, nh=%2i)\n",ip,nh);
153     path[0]= tpos + dimel[ip]/2.; // path to left PMT
154     path[1]= dimel[ip]/2.- tpos; // path to right PMT
155     if (DEBUG) {
156     cout <<" plane "<<ip<<" strip # ="<< ipad <<" tpos "<< tpos <<"\n";
157     cout <<"pmtleft, pmtright "<<pmtleft<<" "<<pmtright<<endl;
158     }
159     // constant geometric factor, the rest is handled by the scaling factor
160     FGeo[0] =0.5;
161     FGeo[1] =0.5;
162     Npho = Ereltof[nh]*Pho_keV*1.0e6; // Eloss in GeV
163    
164     Float_t knorm[2]={0., 0.}; // Donatella
165     Float_t Atten[2]={0., 0.}; // Donatella
166     for(Int_t j=0; j<2; j++){
167     QhitPad_pC[j]= Npho*FGeo[j]*effi*pmGain*echarge*1.E12*ScaleFact[pmtleft+j];
168     // WM
169     knorm[j]=atte1[pmtleft+j]*exp(lambda1[pmtleft+j]*dimel[ip]/2.*pow(-1,j+1)) +
170     atte2[pmtleft+j]*exp(lambda2[pmtleft+j]*dimel[ip]/2.*pow(-1,j+1));
171     Atten[j]=atte1[pmtleft+j]*exp(tpos*lambda1[pmtleft+j]) +
172     atte2[pmtleft+j]*exp(tpos*lambda2[pmtleft+j]) ;
173     QhitPmt_pC[j]= QhitPad_pC[j]*Atten[j]/knorm[j];
174     if (DEBUG) {
175     cout<<"pmtleft "<<pmtleft<<" j "<<j<<endl;
176     cout<<" atte1 "<<atte1[pmtleft+j]<<"lambda1 "<<lambda1[pmtleft+j]<<" atte2 "<<atte2[pmtleft+j]<<"lambda2 "<<lambda2[pmtleft+j] <<endl;
177     cout<<j<<" tpos "<<tpos<<" knorm "<<knorm[j]<<" "<<Atten[j]<<" "<<"QhitPmt_pC "<<QhitPmt_pC[j]<<endl;
178     }
179     }
180     if(DEBUG)cout<<"Npho "<<Npho<<" QhitPmt_pC "<<QhitPmt_pC[0]<<" "<<QhitPmt_pC[1]<<endl;
181     QevePmt_pC[pmtleft] += QhitPmt_pC[0];
182     QevePmt_pC[pmtright] += QhitPmt_pC[1];
183     // TDC
184     // WM right and left <->
185     t1 = t1 + fabs(path[0]/veff) + s_l_g[ip]/veff1;
186     t2 = t2 + fabs(path[1]/veff) + s_l_g[ip]/veff1 ; // Signal reaches PMT
187     t1 = gRandom->Gaus(t1,dt1); //apply gaussian error dt
188     t2 = gRandom->Gaus(t2,dt1); //apply gaussian error dt
189     t1 = t1 + c1_S[pmtleft] ; // Signal reaches Discriminator ,TDC starts to run
190     t2 = t2 + c1_S[pmtright] ;
191     // check if signal is above threshold
192     // then check if tdcpmt is already filled by another hit...
193     // only re-fill if time is smaller
194     if (QhitPmt_pC[0] > thresh) {
195     if (tdcpmt[pmtleft] == 1000.) { // fill for the first time
196     tdcpmt[pmtleft] = t1;
197     tdc[pmtleft] = t1 + c2_S[pmtleft] ; // Signal reaches Coincidence
198     }
199     if (tdcpmt[pmtleft] < 1000.) // is already filled!
200     if (t1 < tdcpmt[pmtleft]) {
201     tdcpmt[pmtleft] = t1;
202     t1 = t1 + c2_S[pmtleft] ; // Signal reaches Coincidence
203     tdc[pmtleft] = t1;
204     }
205     }
206     if (QhitPmt_pC[1] > thresh) {
207     if (tdcpmt[pmtright] == 1000.) { // fill for the first time
208     tdcpmt[pmtright] = t2;
209     tdc[pmtright] = t2 + c2_S[pmtright] ; // Signal reaches Coincidence
210     }
211     if (tdcpmt[pmtright] < 1000.) // is already filled!
212     if (t2 < tdcpmt[pmtright]) {
213     tdcpmt[pmtright] = t2;
214     t2 = t2 + c2_S[pmtright] ;
215     tdc[pmtright] = t2;
216     }
217     }
218     if(DEBUG)cout<<nh<<" "<<Timetof[nh]<<" "<<t1<<" "<<t2<<endl;
219     } // ip > -1 && ip < 6
220     } // **************************************** end loop over hits
221     } // NTHTOF < 200
222     // ====== ADC ======
223     for(Int_t i=0; i<48; i++){
224     if (QevePmt_pC[i] < 800.) ADCtof[i]= (Int_t)(ADC_pC0A + ADC_pC1A*QevePmt_pC[i] + ADC_pC2A*pow(QevePmt_pC[i],2) + ADC_pC3A*pow(QevePmt_pC[i],3));
225     if (QevePmt_pC[i] > 800.) ADCtof[i]= (Int_t)(ADC_pC0B + ADC_pC1B*QevePmt_pC[i] + ADC_pC2B*pow(QevePmt_pC[i],2) + ADC_pC3B*pow(QevePmt_pC[i],3));
226     if (QevePmt_pC[i] > 2485.) ADCtof[i]= (Int_t)(1758. + 0.54*QevePmt_pC[i]); //assuming a fictional 0.54 ch/pC above ADCsat
227     if (ADCtof[i]>ADCsat) ADCtof[i]=ADCsat;
228     if (QevePmt_pC[i] < pCthres) ADCtof[i]= ADClast;
229     if (ADCtof[i] < 0) ADCtof[i]=ADClast;
230     if (ADCtof[i] > ADClast) ADCtof[i]=ADClast;
231     //if(ADCtof[i]!=4095)cout<<ADCtof[i]<<" ";
232     //if((i+1)%4==0)cout<<endl;
233     }
234     // cin>>ciao;
235    
236     // ====== build TDC coincidence ======
237    
238     Float_t t_coinc = 0;
239     Int_t ilast = 100;
240     for (Int_t ii=0; ii<48;ii++)
241     if (tdc[ii] > t_coinc) {
242     t_coinc = tdc[ii];
243     ilast = ii;
244     }
245    
246     // cout<<ilast<<" "<<t_coinc<<endl;
247     // At t_coinc trigger condition is fulfilled
248    
249     for (Int_t ii=0; ii<48;ii++){
250     // if (tdc[ii] != 0) tdc1[ii] = t_coinc - tdc[ii]; // test 1
251     if (tdc[ii] != 0) tdc1[ii] = t_coinc - tdcpmt[ii]; // test 2
252     tdc1[ii] = tdc1[ii]/tdcres[ii]; // divide by TDC resolution
253     if (tdc[ii] != 0) tdc1[ii] = tdc1[ii] + c3_S[ii]; // add cable length c3
254     } // missing parenthesis inserted! (Silvio)
255    
256     for(Int_t i=0; i<48; i++){
257     if(tdc1[i] != 0.){
258     TDCint[i]=(Int_t)tdc1[i];
259     if (TDCint[i]>4093) TDCint[i]=TDClast; // 18-oct WM
260     if (DEBUG)cout<<i<<" "<<TDCint[i]<<endl;
261     } else
262     TDCint[i]= TDClast;
263     }
264     if (DEBUG)cout<<"-----------"<<endl;
265     //------ use channelmap for ToF: 18-oct WM
266     Int_t channelmap[] = {3,21,11,29,19,45,27,37,36,28,44,20,5,12,13,4,
267     6,47,14,39,22,31,30,23,38,15,46,7,0,33,16,24,
268     8,41,32,40,25,17,34,9,42,1,2,10,18,26,35,43};
269     Int_t ADChelp[48],TDChelp[48];
270     for(Int_t i=0; i<48; i++){
271     Int_t ii=channelmap[i];
272     ADChelp[ii]= ADCtof[i];
273     TDChelp[ii]= TDCint[i];
274     }
275     for(Int_t i=0; i<48; i++){
276     ADCtof[i]= ADChelp[i];
277     TDCint[i]= TDChelp[i];
278     }
279     // ====== write fDataTof =======
280     UChar_t Ctrl3bit[8]={32,0,96,64,160,128,224,192}; // DC (msb in 8 bit word )
281     UChar_t tofBin;
282     for (Int_t j=0; j < 12; j++){ // loop on TDC #12
283     Int_t j12=j*23; // for each TDC 23 bytes (8 bits)
284     fDataTof[j12+0]=0x00; // TDC_ID
285     fDataTof[j12+1]=0x00; // EV_COUNT
286     fDataTof[j12+2]=0x00; // TDC_MASK (1)
287     fDataTof[j12+3]=0x00; // TDC_MASK (2)
288     for (Int_t k=0; k < 4; k++){ // for each TDC 4 channels (ADC+TDC)
289     Int_t jk12=j12+4*k; // ADC,TDC channel (0-47)
290     tofBin =(UChar_t)(ADCtof[k+4*j]/256); // ADC# (msb)
291     fDataTof[jk12+4] = Bin2GrayTof(tofBin,fDataTof[jk12+4]);
292     /* control bits inserted here, after the bin to gray conv - DC*/
293     fDataTof[jk12+4] = Ctrl3bit[2*k] | fDataTof[jk12+4];
294     tofBin=(UChar_t)(ADCtof[k+4*j]%256); // ADC# (lsb)
295     fDataTof[jk12+5] = Bin2GrayTof(tofBin,fDataTof[jk12+5]);
296     tofBin=(UChar_t)(TDCint[k+4*j]/256); // TDC# (msb)
297     fDataTof[jk12+6]=Bin2GrayTof(tofBin,fDataTof[jk12+6]);
298     /* control bits inserted here, after the bin to gray conv - DC*/
299     fDataTof[jk12+6] = Ctrl3bit[2*k+1] | fDataTof[jk12+6];
300     tofBin=(UChar_t)(TDCint[k+4*j]%256); // TDC# (lsb)
301     fDataTof[jk12+7]=Bin2GrayTof(tofBin,fDataTof[jk12+7]);
302     }
303     fDataTof[j12+20]=0x00; // TEMP1
304     fDataTof[j12+21]=0x00; // TEMP2
305     fDataTof[j12+22]= EvaluateCrcTof(pTof); // CRC
306     pTof+=23;
307     }
308     // ====== evaluate trigger variables =======
309     //fDataTrigger: 152 bytes (corrected 30/11/'07 SO - it was 153)
310     // initialization:
311     for (Int_t j=0; j < 152; j++)fDataTrigger[j]=0x00;
312     UChar_t *pTrg=fDataTrigger;
313     // Only the variables with a (*) are modified; the others are set to 0
314     // info given in #bites data + #bites crc
315     // TB_READ_PMT_PLANE : 6 + 1
316     // TB_READ_EVENT_COUNT : 3 + 1 (*)
317     // TB_READ_TRIGGER_RATE : 12 + 1
318     // TB_READ_D_L_TIME : 4 + 1
319     // TB_READ_S4_CAL_COUNT : 4 + 1
320     // TB_READ_PMT_COUNT1 : 48 + 1
321     // TB_READ_PMT_COUNT2 : 48 + 1
322     // TB_READ_PATTERN_BUSY : 8 + 1
323     // TB_READ_PATTERN_TRIGGER: 7 + 1 (*)
324     // TB_READ_TRIGGER_CONF : 2 + 1 (*)
325    
326     // TB_READ_EVENT_COUNT
327     fhBookTree->SetBranchStatus("Ievnt",&Ievnt);
328     UInt_t cTrg = (UInt_t)Ievnt; //counter
329     UInt_t cTrg2 = 0; //counter with bits inverted, according to document
330     //"formato dati provenienti dalla trigger board"
331     for (Int_t i=0; i < 24; i++){ // Use the first 24 bits
332     if (cTrg & (0x1 << i) )
333     cTrg2 = cTrg2 | (0x1 << (24-i));
334     }
335     fDataTrigger[7] = (UChar_t)(cTrg2 >> 16); // 8 MSbits (out of 24)
336     fDataTrigger[8] = (UChar_t)(cTrg2 >> 8); // 8 "middle" bits
337     fDataTrigger[9] = (UChar_t)(cTrg2); // 8 LSbits
338     pTrg=fDataTrigger+7;
339     fDataTrigger[10]=EvaluateCrcTrigger(pTrg, 3);
340    
341     // TB_READ_PATTERN_TRIGGER: bytes 141-148:
342     // PatternTrigMap[i] corresponds to bit i in TB_READ_PATTERN_TRIGGER:
343     // mapping according to documents:
344     // 1. "formato dati provenienti dalla trigger board"
345     // 2. "The ToF quicklook software", Appendix A (Campana, Nagni)
346     Int_t PatternTrigMap[]={29,42,43,1,16,7,17,28,33,41,46,2,15,8,18,27,
347     30,40,44,3,14,9,19,26,32,37,47,4,13,10,20,25,
348     34,31,38,45,5,12,21,24,36,35,39,48,6,11,22,23};
349     for (Int_t i=0; i < 48; i++)
350     //if (ADCtof[i]>thrTrg)
351     if (tdc1[channelmap[i]]!=0)
352     fDataTrigger[147-(Int_t)((PatternTrigMap[i]+1)/8)]=fDataTrigger[147-(Int_t)((PatternTrigMap[i]+1)/8)] | (0x1 << (PatternTrigMap[i]%8));
353     pTrg=fDataTrigger+141;
354     fDataTrigger[148]=EvaluateCrcTrigger(pTrg, 7);
355    
356     // TB_READ_TRIGGER_CONF : set always acq.mode TOF4
357     //
358     // TOF1: S1-S2-S3 (&,|)
359     // TOF4: S2-S3 (&,&)
360     fDataTrigger[149]=0x02;
361     fDataTrigger[150]=0x0;
362     pTrg=fDataTrigger+149;
363     fDataTrigger[151]=EvaluateCrcTrigger(pTrg, 2);
364     }
365    
366    
367     UChar_t Digitizer::Bin2GrayTof(UChar_t binaTOF,UChar_t grayTOF){
368     union graytof_data {
369     UChar_t word;
370     struct bit_field {
371     unsigned b0:1;
372     unsigned b1:1;
373     unsigned b2:1;
374     unsigned b3:1;
375     unsigned b4:1;
376     unsigned b5:1;
377     unsigned b6:1;
378     unsigned b7:1;
379     } bit;
380     } bi,gr;
381     //
382     bi.word = binaTOF;
383     gr.word = grayTOF;
384     //
385     gr.bit.b0 = bi.bit.b1 ^ bi.bit.b0;
386     gr.bit.b1 = bi.bit.b2 ^ bi.bit.b1;
387     gr.bit.b2 = bi.bit.b3 ^ bi.bit.b2;
388     gr.bit.b3 = bi.bit.b3;
389     //
390     /* bin to gray conversion 4 bit per time*/
391     //
392     gr.bit.b4 = bi.bit.b5 ^ bi.bit.b4;
393     gr.bit.b5 = bi.bit.b6 ^ bi.bit.b5;
394     gr.bit.b6 = bi.bit.b7 ^ bi.bit.b6;
395     gr.bit.b7 = bi.bit.b7;
396     //
397     return(gr.word);
398     }
399    
400     UChar_t Digitizer::EvaluateCrcTof(UChar_t *pTof) {
401     Bool_t DEBUG=false;
402     if (DEBUG)
403     return(0x00);
404    
405     UChar_t crcTof=0x00;
406     UChar_t *pc=&crcTof, *pc2;
407     pc2=pTof;
408     for (Int_t jp=0; jp < 23; jp++){
409     //crcTof = crc8(...)
410     Crc8Tof(pc2++,pc);
411     // printf("%2i --- %x\n",jp,crcTof);
412     }
413     return(crcTof);
414     }
415    
416     UChar_t Digitizer::EvaluateCrcTrigger(UChar_t *pTrg, Int_t nb) {
417     Bool_t DEBUG=false;
418     if (DEBUG)
419     return(0x00);
420    
421     UChar_t crcTrg=0x00;
422     UChar_t *pc=&crcTrg, *pc2;
423     pc2=pTrg;
424     for (Int_t jp=0; jp < nb; jp++)
425     Crc8Tof(pc2++,pc);
426     return(crcTrg);
427     }
428    
429     void Digitizer::Crc8Tof(UChar_t *oldCRC, UChar_t *crcTof){
430     union crctof_data {
431     UChar_t word;
432     struct bit_field {
433     unsigned b0:1;
434     unsigned b1:1;
435     unsigned b2:1;
436     unsigned b3:1;
437     unsigned b4:1;
438     unsigned b5:1;
439     unsigned b6:1;
440     unsigned b7:1;
441     } bit;
442     } c,d,r;
443    
444     c.word = *oldCRC;
445     //d.word = *newCRC;
446     d.word = *crcTof;
447     r.word = 0;
448    
449     r.bit.b0 = c.bit.b7 ^ c.bit.b6 ^ c.bit.b0 ^
450     d.bit.b0 ^ d.bit.b6 ^ d.bit.b7;
451    
452     r.bit.b1 = c.bit.b6 ^ c.bit.b1 ^ c.bit.b0 ^
453     d.bit.b0 ^ d.bit.b1 ^ d.bit.b6;
454    
455     r.bit.b2 = c.bit.b6 ^ c.bit.b2 ^ c.bit.b1 ^ c.bit.b0 ^
456     d.bit.b0 ^ d.bit.b1 ^ d.bit.b2 ^ d.bit.b6;
457    
458     r.bit.b3 = c.bit.b7 ^ c.bit.b3 ^ c.bit.b2 ^ c.bit.b1 ^
459     d.bit.b1 ^ d.bit.b2 ^ d.bit.b3 ^ d.bit.b7;
460    
461     r.bit.b4 = c.bit.b4 ^ c.bit.b3 ^ c.bit.b2 ^
462     d.bit.b2 ^ d.bit.b3 ^ d.bit.b4;
463    
464     r.bit.b5 = c.bit.b5 ^ c.bit.b4 ^ c.bit.b3 ^
465     d.bit.b3 ^ d.bit.b4 ^ d.bit.b5;
466    
467     r.bit.b6 = c.bit.b6 ^ c.bit.b5 ^ c.bit.b4 ^
468     d.bit.b4 ^ d.bit.b5 ^ d.bit.b6;
469    
470     r.bit.b7 = c.bit.b7 ^ c.bit.b6 ^ c.bit.b5 ^
471     d.bit.b5 ^ d.bit.b6 ^ d.bit.b7 ;
472    
473     *crcTof=r.word;
474     //return r.word;
475     };
476    
477     //void Digitizer::Paddle2Pmt(Int_t plane, Int_t paddle, Int_t* &pmtleft, Int_t* &pmtright){
478     void Digitizer::Paddle2Pmt(Int_t plane, Int_t paddle, Int_t *pl, Int_t *pr){
479     //* @param plane (0 - 5)
480     //* @param paddle (plane=0, paddle = 0,...5)
481     //* @param padid (0 - 23)
482     //
483     Int_t padid=-1;
484     Int_t pads[6]={8,6,2,2,3,3};
485     //
486     Int_t somma=0;
487     Int_t np=plane;
488     for(Int_t j=0; j<np; j++)
489     somma+=pads[j];
490     padid=paddle+somma;
491     *pl = padid*2;
492     // *pr = *pr + 1;
493     *pr = *pl + 1; // WM
494     };
495    
496     void Digitizer::LoadTOFCalib(int np,float *atte1,float *atte2,float *lambda1,float *lambda2){
497     stringstream calfile;
498     Int_t error = 0,temp=0;
499     GL_PARAM *glparam = new GL_PARAM();
500     error = glparam->Query_GL_PARAM(3,202,fDbc);
501     calfile.str("");
502     calfile << glparam->PATH.Data() << "/";
503     calfile << glparam->NAME.Data();
504     printf("\n Using TOF calibration file: \n %s\n",calfile.str().c_str());
505     ifstream fileTriggerCalib;
506     fileTriggerCalib.open(calfile.str().c_str());
507     if(!fileTriggerCalib)printf("debug: no trigger calib file!\n");
508     // correct readout WM Oct '07
509     for(Int_t i=0; i<np; i++){
510     fileTriggerCalib >> temp;
511     fileTriggerCalib >> atte1[i];
512     fileTriggerCalib >> lambda1[i];
513     fileTriggerCalib >> atte2[i];
514     fileTriggerCalib >> lambda2[i];
515     fileTriggerCalib >> temp;
516     }
517     fileTriggerCalib.close();
518     //end tof calib
519     }

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