Fix for FPE in the reconstruction QA of simulated raw data (Laurent)

[u/mrichter/AliRoot.git] / FMD / AliFMDRawStream.h

diff --git a/FMD/AliFMDRawStream.h b/FMD/AliFMDRawStream.h
index f134e0d207b058f6f1aca853005de62df1eeb8a3..68fda921335b5029b14b606dd333f76cf1103403 100644 (file)
--- a/FMD/AliFMDRawStream.h
+++ b/FMD/AliFMDRawStream.h
@@ -7,6 +7,14 @@
  *
  * See cxx source for full Copyright notice                               
  */
+//____________________________________________________________________
+//
+// Class to read ALTRO formated data from an AliRawReader.  
+// This class is mostly here to set AliAltroRawStream::fNoAltroMapping
+// to false.   Furthermore, it defines the utility function
+// ReadChannel to read in a full ALTRO channel.  The data is unpacked
+// into the passed array.  
+//
 /** @file    AliFMDRawStream.h
     @author  Christian Holm Christensen <cholm@nbi.dk>
     @date    Tue Mar 28 12:53:26 2006
@@ -40,7 +48,7 @@ public:
       @param data On return, the read ADC channels.
       @return @c true on success */
   virtual Bool_t ReadChannel(UInt_t& ddl, UInt_t& addr, 
-                            UInt_t& len, UShort_t* data);
+                            UInt_t& len, volatile UShort_t* data);
 protected:
   
   ClassDef(AliFMDRawStream, 0) // Read raw FMD Altro data