/[PAMELA software]/yoda/techmodel/RunHeaderReader.cpp
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Diff of /yoda/techmodel/RunHeaderReader.cpp

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revision 3.0 by kusanagi, Fri Mar 4 15:54:11 2005 UTC revision 3.1 by kusanagi, Sun Mar 6 04:29:20 2005 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Source: /home/cvsmanager/yoda/techmodel/RunHeaderReader.cpp,v $   * $Source: /home/cvsmanager/yoda/techmodel/RunHeaderReader.cpp,v $
3   * $Id: RunHeaderReader.cpp,v 2.4 2005/03/01 17:10:50 kusanagi Exp $   * $Id: RunHeaderReader.cpp,v 3.0 2005/03/04 15:54:11 kusanagi Exp $
4   * $Author: kusanagi $   * $Author: kusanagi $
5   *   *
6   * Implementation of the RunHeader class.   * Implementation of the RunHeader class.
# Line 41  RunHeaderReader::RunHeaderReader(void): Line 41  RunHeaderReader::RunHeaderReader(void):
41   */   */
42  std::string RunHeaderReader::GetVersionInfo(void) const {  std::string RunHeaderReader::GetVersionInfo(void) const {
43    return    return
44      "$Header: /home/cvsmanager/yoda/techmodel/RunHeaderReader.cpp,v 2.4 2005/03/01 17:10:50 kusanagi Exp $\n";      "$Header: /home/cvsmanager/yoda/techmodel/RunHeaderReader.cpp,v 3.0 2005/03/04 15:54:11 kusanagi Exp $\n";
45  }  }
46    
47  /**  /**
# Line 49  std::string RunHeaderReader::GetVersionI Line 49  std::string RunHeaderReader::GetVersionI
49   * event reader routines for all packet types.   * event reader routines for all packet types.
50   */   */
51  void RunHeaderReader::Init(PamelaRun *run) {  void RunHeaderReader::Init(PamelaRun *run) {
52      logger->debug(_T("Initialize"));
53    SetInputStream(run);    SetInputStream(run);
54    run->WriteSubPacket(this, &RunHeader, RunHeader->Class());    run->WriteSubPacket(this, &RunHeader, RunHeader->Class());
   logger->debug(_T("Initialize"));  
55  }  }
56    
57  /**  /**
58   * Unpack the RunHeader event from an input file.   * Unpack the RunHeader event from an input file.
59   */   */
60  void RunHeaderReader::RunEvent(int EventNumber, long int length) throw (WrongCRCException){  void RunHeaderReader::RunEvent(int EventNumber, long int length) throw (WrongCRCException){
61      char     *subData;  
62      char      eventCRC[2];      char      subData[length];
63      UINT16    subCRC;      //CRC of the data      UINT16    subCRC;                   //calculated CRC of the data
64      UINT16    readCRC;     //CRC read from the end of the subpacket      UINT16    readCRC;                  //CRC read from the end of the subpacket
65      long int  dataLength;      long int  dataLength = length - 2;  //the block of data
   
     //the 2 bytes subtracted belong to the final event CRC bytes  
     dataLength = length - (long int)2;  
   
     subData = new char[dataLength];  
     InputFile->read(subData, sizeof(unsigned char)*dataLength);  
     subCRC = CM_Compute_CRC16(0, (BYTE*)subData, dataLength);  
   
     //took the final CRC to compare it with the previous calculated CRC of the data  
     InputFile->read(eventCRC, sizeof(eventCRC));  
     readCRC = (((UINT16)(eventCRC[0]<<8))&0xFF00) + (((UINT16)eventCRC[1])&0x00FF);  
66            
67        InputFile->read(subData, sizeof(subData));
68        subCRC = CM_Compute_CRC16(0, (UINT8*)subData, dataLength);
69        readCRC = (((UINT16)(subData[length - 2]<<8))&0xFF00) + (((UINT16)subData[length - 1])&0x00FF);
70    
71      if (subCRC != readCRC) throw WrongCRCException(" Wrong CRC for RunHeader Packet ");      if (subCRC != readCRC) throw WrongCRCException(" Wrong CRC for RunHeader Packet ");
72    
73      RunHeader->COMPILATIONTIMESTAMP       = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) +  (((UINT32)subData[2]<<8)&0x0000FF00)  + (((UINT32)subData[3])&0x000000FF);      RunHeader->COMPILATIONTIMESTAMP       = (((UINT32)subData[0]<<24)&0xFF000000) + (((UINT32)subData[1]<<16)&0x00FF0000) +  (((UINT32)subData[2]<<8)&0x0000FF00)  + (((UINT32)subData[3])&0x000000FF);
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