* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
/* $Id$ */
-
+/** @file AliFMDRawReader.cxx
+ @author Christian Holm Christensen <cholm@nbi.dk>
+ @date Mon Mar 27 12:45:23 2006
+ @brief Class to read raw data
+*/
//____________________________________________________________________
//
// Class to read ADC values from a AliRawReader object.
// +----------------+
//
#include <AliLog.h> // ALILOG_H
-#include "AliFMD.h" // ALIFMD_H
+#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
#include "AliFMDDigit.h" // ALIFMDDIGIT_H
#include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H
#include "AliRawReader.h" // ALIRAWREADER_H
#include "AliFMDRawReader.h" // ALIFMDRAWREADER_H
+// #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H
#include <TArrayI.h> // ROOT_TArrayI
-// #include <TClonesArray.h> // ROOT_TClonesArray
+#include <TTree.h> // ROOT_TTree
+#include <TClonesArray.h> // ROOT_TClonesArray
+#include <iostream>
+#include <iomanip>
+#include <sstream>
+#define PRETTY_HEX(N,X) \
+ " 0x" << std::setfill('0') << std::setw(N) << std::hex << X \
+ << std::setfill(' ') << std::dec
//____________________________________________________________________
-ClassImp(AliFMDRawReader);
+ClassImp(AliFMDRawReader)
+#if 0
+ ; // This is here to keep Emacs for indenting the next line
+#endif
//____________________________________________________________________
-AliFMDRawReader::AliFMDRawReader(AliFMD* fmd, AliRawReader* reader)
+AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree)
: TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"),
- fFMD(fmd),
- fReader(reader)
+ fTree(tree),
+ fReader(reader),
+ fSampleRate(1)
{
// Default CTOR
- SetSampleRate(fmd->GetSampleRate());
+}
+
+//____________________________________________________________________
+void
+AliFMDRawReader::Exec(Option_t*)
+{
+ TClonesArray* array = new TClonesArray("AliFMDDigit");
+ if (!fTree) {
+ AliError("No tree");
+ return;
+ }
+ fTree->Branch("FMD", &array);
+ ReadAdcs(array);
+ Int_t nWrite = fTree->Fill();
+ AliDebug(1, Form("Got a grand total of %d digits, wrote %d bytes to tree",
+ array->GetEntries(), nWrite));
}
+#if 1
+//____________________________________________________________________
+Bool_t
+AliFMDRawReader::ReadAdcs(TClonesArray* array)
+{
+ // Read raw data into the digits array, using AliFMDAltroReader.
+ if (!array) {
+ AliError("No TClonesArray passed");
+ return kFALSE;
+ }
+ if (!fReader->ReadHeader()) {
+ AliError("Couldn't read header");
+ return kFALSE;
+ }
+ // Get sample rate
+ AliFMDParameters* pars = AliFMDParameters::Instance();
+ AliFMDRawStream input(fReader);
+ // Select FMD DDL's
+ fReader->Select(AliFMDParameters::kBaseDDL>>8);
+
+ UShort_t stripMin = 0;
+ UShort_t stripMax = 127;
+ UShort_t preSamp = 0;
+
+ UInt_t ddl = 0;
+ UInt_t rate = 0;
+ UInt_t last = 0;
+ UInt_t hwaddr = 0;
+ // Data array is approx twice the size needed.
+ UShort_t data[2048];
+ while (input.ReadChannel(ddl, hwaddr, last, data)) {
+ AliDebug(5, Form("Read channel 0x%x of size %d", hwaddr, last));
+ UShort_t det, sec, str;
+ Char_t ring;
+ if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
+ AliError(Form("Failed to get detector id from DDL %d "
+ "and hardware address 0x%x", ddl, hwaddr));
+ continue;
+ }
+ rate = pars->GetSampleRate(det, ring, sec, str);
+ stripMin = pars->GetMinStrip(det, ring, sec, str);
+ stripMax = pars->GetMaxStrip(det, ring, sec, str);
+ AliDebug(5, Form("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]",
+ ddl, hwaddr, det, ring, sec, str));
+
+ // Loop over the `timebins', and make the digits
+ for (size_t i = 0; i < last; i++) {
+ if (i < preSamp) continue;
+ Int_t n = array->GetEntries();
+ UShort_t curStr = str + stripMin + i / rate;
+ if ((curStr-str) > stripMax) {
+ AliError(Form("Current strip is %d but DB says max is %d",
+ curStr, stripMax));
+ }
+ AliDebug(5, Form("making digit for FMD%d%c[%2d,%3d] from sample %4d",
+ det, ring, sec, curStr, i));
+ new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i],
+ (rate >= 2 ? data[i+1] : 0),
+ (rate >= 3 ? data[i+2] : 0));
+ if (rate >= 2) i++;
+ if (rate >= 3) i++;
+ }
+ }
+ return kTRUE;
+}
+#else
+//____________________________________________________________________
+Bool_t
+AliFMDRawReader::ReadAdcs(TClonesArray* array)
+{
+ // Read raw data into the digits array, using AliFMDAltroReader.
+ if (!array) {
+ AliError("No TClonesArray passed");
+ return kFALSE;
+ }
+ if (!fReader->ReadHeader()) {
+ AliError("Couldn't read header");
+ return kFALSE;
+ }
+ // Get sample rate
+ AliFMDParameters* pars = AliFMDParameters::Instance();
+
+ // Select FMD DDL's
+ fReader->Select(AliFMDParameters::kBaseDDL>>8);
+
+ UShort_t stripMin = 0;
+ UShort_t stripMax = 127;
+ UShort_t preSamp = 0;
+
+ do {
+ UChar_t* cdata;
+ if (!fReader->ReadNextData(cdata)) break;
+ size_t nchar = fReader->GetDataSize();
+ UShort_t ddl = AliFMDParameters::kBaseDDL + fReader->GetDDLID();
+ UShort_t rate = 0;
+ AliDebug(1, Form("Reading %d bytes (%d 10bit words) from %d",
+ nchar, nchar * 8 / 10, ddl));
+ // Make a stream to read from
+ std::string str((char*)(cdata), nchar);
+ std::istringstream s(str);
+ // Prep the reader class.
+ AliFMDAltroReader r(s);
+ // Data array is approx twice the size needed.
+ UShort_t data[2048], hwaddr, last;
+ while (r.ReadChannel(hwaddr, last, data) > 0) {
+ AliDebug(5, Form("Read channel 0x%x of size %d", hwaddr, last));
+ UShort_t det, sec, str;
+ Char_t ring;
+ if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
+ AliError(Form("Failed to detector id from DDL %d "
+ "and hardware address 0x%x", ddl, hwaddr));
+ continue;
+ }
+ rate = pars->GetSampleRate(det, ring, sec, str);
+ stripMin = pars->GetMinStrip(det, ring, sec, str);
+ stripMax = pars->GetMaxStrip(det, ring, sec, str);
+ AliDebug(5, Form("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]",
+ ddl, hwaddr, det, ring, sec, str));
+
+ // Loop over the `timebins', and make the digits
+ for (size_t i = 0; i < last; i++) {
+ if (i < preSamp) continue;
+ Int_t n = array->GetEntries();
+ UShort_t curStr = str + stripMin + i / rate;
+ if ((curStr-str) > stripMax) {
+ AliError(Form("Current strip is %d but DB says max is %d",
+ curStr, stripMax));
+ }
+ AliDebug(5, Form("making digit for FMD%d%c[%2d,%3d] from sample %4d",
+ det, ring, sec, curStr, i));
+ new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i],
+ (rate >= 2 ? data[i+1] : 0),
+ (rate >= 3 ? data[i+2] : 0));
+ if (rate >= 2) i++;
+ if (rate >= 3) i++;
+ }
+ if (r.IsBof()) break;
+ }
+ } while (true);
+ return kTRUE;
+}
+
+
+
+// This is the old method, for comparison. It's really ugly, and far
+// too convoluted.
//____________________________________________________________________
void
AliFMDRawReader::Exec(Option_t*)
return;
}
+ Int_t n = 0;
+ TClonesArray* array = new TClonesArray("AliFMDDigit");
+ fTree->Branch("FMD", &array);
+
+ // Get sample rate
+ AliFMDParameters* pars = AliFMDParameters::Instance();
+ fSampleRate = pars->GetSampleRate(AliFMDParameters::kBaseDDL);
+
// Use AliAltroRawStream to read the ALTRO format. No need to
// reinvent the wheel :-)
AliFMDRawStream input(fReader, fSampleRate);
// Select FMD DDL's
- fReader->Select(AliFMD::kBaseDDL >> 8);
+ fReader->Select(AliFMDParameters::kBaseDDL);
Int_t oldDDL = -1;
Int_t count = 0;
count++;
Int_t ddl = fReader->GetDDLID();
+ AliDebug(10, Form("Current DDL is %d", ddl));
if (ddl != oldDDL || input.IsNewStrip() || !next) {
// Make a new digit, if we have some data (oldDetector == 0,
// means that we haven't really read anything yet - that is,
input.PrevSector() , input.PrevStrip(),
detector , input.Ring(), input.Sector(),
input.Strip()));
- fFMD->AddDigit(oldDetector,
- input.PrevRing(),
- input.PrevSector(),
- input.PrevStrip(),
- counts[0], counts[1], counts[2]);
+ new ((*array)[n]) AliFMDDigit(oldDetector,
+ input.PrevRing(),
+ input.PrevSector(),
+ input.PrevStrip(),
+ counts[0], counts[1], counts[2]);
+ n++;
#if 0
AliFMDDigit* digit =
static_cast<AliFMDDigit*>(fFMD->Digits()->
// If we got a new DDL, it means we have a new detector.
if (ddl != oldDDL) {
if (detector != 0)
- AliDebug(10, Form("Read %d channels for FMD%d",
- count + 1, detector));
+ AliDebug(10, Form("Read %d channels for FMD%d", count + 1, detector));
// Reset counts, and update the DDL cache
count = 0;
oldDDL = ddl;
// Check that we're processing a FMD detector
Int_t detId = fReader->GetDetectorID();
- if (detId != (AliFMD::kBaseDDL >> 8)) {
- Error("ReadAdcs", "Detector ID %d != %d",
- detId, (AliFMD::kBaseDDL >> 8));
+ if (detId != (AliFMDParameters::kBaseDDL >> 8)) {
+ AliError(Form("Detector ID %d != %d",
+ detId, (AliFMDParameters::kBaseDDL >> 8)));
break;
}
// Figure out what detector we're deling with
case 1: detector = 2; break;
case 2: detector = 3; break;
default:
- Error("ReadAdcs", "Unknown DDL 0x%x for FMD", ddl);
+ AliError(Form("Unknown DDL 0x%x for FMD", ddl));
return;
}
AliDebug(10, Form("Reading ADCs for 0x%x - That is FMD%d",
input.Strip(), input.Count()));
oldDetector = detector;
}
+ fTree->Fill();
return;
}
+#endif
//____________________________________________________________________
//
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff