New classes for payload decoding (Christian)

[u/mrichter/AliRoot.git] / MUON / AliMUONPayloadTrigger.cxx

diff --git a/MUON/AliMUONPayloadTrigger.cxx b/MUON/AliMUONPayloadTrigger.cxx
new file mode 100644 (file)
index 0000000..bc4c1ef
--- /dev/null
+++ b/MUON/AliMUONPayloadTrigger.cxx
@@ -0,0 +1,202 @@
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ *                                                                        *
+ * Author: The ALICE Off-line Project.                                    *
+ * Contributors are mentioned in the code where appropriate.              *
+ *                                                                        *
+ * Permission to use, copy, modify and distribute this software and its   *
+ * documentation strictly for non-commercial purposes is hereby granted   *
+ * without fee, provided that the above copyright notice appears in all   *
+ * copies and that both the copyright notice and this permission notice   *
+ * appear in the supporting documentation. The authors make no claims     *
+ * about the suitability of this software for any purpose. It is          *
+ * provided "as is" without express or implied warranty.                  *
+ **************************************************************************/
+
+
+///////////////////////////////////////////////////////////////////////////////
+///
+/// Class Payload
+///
+/// Decodes rawdata from buffer and stores in TClonesArray.
+/// 
+/// First version implement for Trigger
+///
+///////////////////////////////////////////////////////////////////////////////
+
+#include "AliMUONPayloadTrigger.h"
+
+#include "AliRawReader.h"
+#include "AliRawDataHeader.h"
+#include "AliLog.h"
+
+#include "AliMUONDarcHeader.h"
+#include "AliMUONRegHeader.h"
+#include "AliMUONLocalStruct.h"
+#include "AliMUONDDLTrigger.h"
+
+ClassImp(AliMUONPayloadTrigger)
+
+AliMUONPayloadTrigger::AliMUONPayloadTrigger()
+  : TObject(),
+    fMaxReg(8),
+    fMaxLoc(16)
+{
+  //
+  // create an object to read MUON raw digits
+  // Default ctor for monitoring purposes
+  //
+
+  fDDLTrigger  = new AliMUONDDLTrigger();
+  fRegHeader   = new AliMUONRegHeader();  
+  fLocalStruct = new AliMUONLocalStruct();
+
+}
+
+//_________________________________________________________________
+AliMUONPayloadTrigger::AliMUONPayloadTrigger(const AliMUONPayloadTrigger& stream) :
+  TObject(stream)
+{
+  //
+  // copy ctor
+  //
+  AliFatal("copy constructor not implemented");
+}
+
+//______________________________________________________________________
+AliMUONPayloadTrigger& AliMUONPayloadTrigger::operator = (const AliMUONPayloadTrigger& 
+                                             /* stream */)
+{ 
+  // 
+  // assignment operator
+  //
+  AliFatal("assignment operator not implemented");
+  return *this;
+}
+
+//___________________________________
+AliMUONPayloadTrigger::~AliMUONPayloadTrigger()
+{
+  //
+  // clean up
+  //
+  delete fDDLTrigger;
+  delete fLocalStruct;
+  delete fRegHeader;
+}
+
+
+//______________________________________________________
+Bool_t AliMUONPayloadTrigger::Decode(UInt_t *buffer)
+{
+  // reading tracker DDL
+  // store buspatch info into Array
+  // store only non-empty structures (buspatch info with datalength !=0)
+
+ // reading DDL for trigger
+
+  AliMUONDarcHeader* darcHeader = fDDLTrigger->GetDarcHeader();
+
+  Int_t kDarcHeaderSize = darcHeader->GetHeaderLength(); 
+  Int_t kRegHeaderSize  = fRegHeader->GetHeaderLength() ;
+  Bool_t scalerEvent    = kFALSE;
+  
+  Int_t index = 0;
+  darcHeader->SetWord(buffer[index++]);
+
+  if(darcHeader->GetEventType() == 2) {
+    scalerEvent = kTRUE;
+  } else
+    scalerEvent = kFALSE;
+
+  if(scalerEvent) {
+    // 6 DARC scaler words
+    memcpy(darcHeader->GetDarcScalers(), &buffer[index], darcHeader->GetDarcScalerLength()*4);
+    index += darcHeader->GetDarcScalerLength();
+  }
+
+  if (buffer[index++] != darcHeader->GetEndOfDarc())
+    AliWarning(Form("Wrong end of Darc word %x instead of %x\n",buffer[index-1], darcHeader->GetEndOfDarc())); 
+
+  // 4 words of global board input + Global board output
+  memcpy(darcHeader->GetGlobalInput(), &buffer[index], (kDarcHeaderSize-1)*4); 
+  index += kDarcHeaderSize- 1; // kind tricky cos scaler info in-between Darc header
+
+  if(scalerEvent) {
+    // 10 Global scaler words
+    memcpy(darcHeader->GetGlobalScalers(), &buffer[index], darcHeader->GetGlobalScalerLength()*4);
+    index += darcHeader->GetGlobalScalerLength();
+  }
+
+  if (buffer[index++] != darcHeader->GetEndOfGlobal())
+    AliWarning(Form("Wrong end of Global word %d instead of %d\n",buffer[index-1], darcHeader->GetEndOfGlobal()));
+    
+  // 8 regional boards
+  for (Int_t iReg = 0; iReg < fMaxReg; iReg++) {           //loop over regeonal card
+
+    memcpy(fRegHeader->GetHeader(), &buffer[index], kRegHeaderSize*4);
+    index += kRegHeaderSize;
+
+    fDDLTrigger->AddRegHeader(*fRegHeader);
+    // 11 regional scaler word
+    if(scalerEvent) {
+      memcpy(fRegHeader->GetScalers(), &buffer[index], fRegHeader->GetScalerLength()*4);
+      index += fRegHeader->GetScalerLength();
+    }
+
+    if (buffer[index++] != fRegHeader->GetEndOfReg())
+      AliWarning(Form("Wrong end of Reg word %x instead of %x\n",buffer[index-1], fRegHeader->GetEndOfReg()));
+
+    // 16 local cards per regional board
+    for (Int_t iLoc = 0; iLoc < fMaxLoc; iLoc++) {         //loop over local card
+         
+      Int_t dataSize = fLocalStruct->GetLength();;
+
+      // 5 word trigger information
+      memcpy(fLocalStruct->GetData(), &buffer[index], dataSize*4); 
+      index += dataSize;        
+
+      // 45 regional scaler word
+      if(scalerEvent) {
+       memcpy(fLocalStruct->GetScalers(), &buffer[index], fLocalStruct->GetScalerLength()*4);
+       index += fLocalStruct->GetScalerLength();
+      }
+
+      if (buffer[index++] != fLocalStruct->GetEndOfLocal())
+       AliWarning(Form("Wrong end of local word %x instead of %x\n",buffer[index-1], fLocalStruct->GetEndOfLocal()));
+         
+      fDDLTrigger->AddLocStruct(*fLocalStruct, iReg);
+
+    } // local card loop
+       
+  } // regional card loop
+      
+
+  return kTRUE;
+}
+
+//______________________________________________________
+void AliMUONPayloadTrigger::ResetDDL()
+{
+  // reseting TClonesArray
+  // after each DDL
+  //
+  AliMUONDarcHeader* darcHeader = fDDLTrigger->GetDarcHeader();
+  darcHeader->GetRegHeaderArray()->Delete();
+}
+
+//______________________________________________________
+void AliMUONPayloadTrigger::SetMaxReg(Int_t reg) 
+{
+  // set regional card number
+  if (reg > 8) reg = 8;
+  fMaxReg = reg;
+}
+
+//______________________________________________________
+void AliMUONPayloadTrigger::SetMaxLoc(Int_t loc) 
+{
+  // set local card number
+  if (loc > 16) loc = 16;
+  fMaxLoc = loc;
+}