/** @file
 * $Source: /home/cvsmanager/yoda/event/PscuHeader.h,v $
 * $Id: PscuHeader.h,v 1.2 2004/08/25 10:14:22 kusanagi Exp $
 * $Author: kusanagi $
 * 
 * Header file for the PscuHeader class.
 */
#ifndef PSCU_HEADER_H
#define PSCU_HEADER_H
#define UINT32 unsigned int
#define UINT16 unsigned short
#define UINT8  unsigned char
#include <exception>

#include "PacketType.h"
#include "SubPacket.h"

namespace pamela {
  /**
   * Class containing the PSCU header and trailer information.
   */
  class PscuHeader: public pamela::SubPacket {
  private:
    unsigned int Header;  /**< Packet type header (must be 0xFAFEDE) */
    UINT8  PacketId1; /**< Packet type first  byte */
    UINT8  PacketId2; /**< Packet type second byte */
    UINT32 Counter; /**< PSCU event counter */
    UINT32 OrbitalTime; /**< Raw Orbital time */
    UINT32 PacketLenght;
    UINT8  CRC; /**< PSCU Header Checksum  */

    /* This parameter represent the offset of the header relative to the begin
     * of the file it has been extracted. It's purpose is to
     * check whenever the CPU (for error) store the same packet more than one time.
     * It's not clear if it will be mantained or not in the definitive release.
    */
    UINT32 FileOffset; 
  public:
    PscuHeader();
    virtual ~PscuHeader();
    const pamela::PacketType* GetPacketType(void) const throw (std::exception);
    /** Get the Header. */
    int GetHeader(void) const { return Header; } 
    /** Get packet id 1. */
    unsigned char GetPacketId1(void) const { return PacketId1; } 
    /** Get packet id 2. */
    unsigned char GetPacketId2(void) const { return PacketId2; } 
    /** Get the PSCU event counter. */
    int GetCounter(void) const { return Counter; } 
    /** Get the orbital time. */
    int GetOrbitalTime(void) const { return OrbitalTime; } 
    /** Get the header CRC. */
    unsigned char GetCRC(void) const { return CRC; }
   /** Get the packet length for this packet. */
    int GetPacketLenght(void) const { return PacketLenght; }
   /** Get the offset of the packet relative to the begin of the raw file. */
    int GetFileOffset(void) const { return FileOffset; }
 
    /** Set the orbital time. Intended to use by the raw reader. */
    void SetHeader(int var) { Header  = var; }
    /** Set the packet id. Intended to use by the raw reader. */
    void SetPacketId(short var1, short var2) { PacketId1 = var1; PacketId2 = var2; }
     /** Set the counter. Intended to use by the raw reader. */
    void SetCounter(int var) { Counter = var; }
    /** Set the orbital time. Intended to use by the raw reader. */
    void SetOrbitalTime(int var) { OrbitalTime = var; }
    /** Set the packet length. Intended to use by the raw reader. */
    void SetPacketLenght(int var) { PacketLenght = var; }
    /** Set the packet length. Intended to use by the raw reader. */
    void SetCRC(short var) { CRC = var; }
    /** Get the offset of the packet relative to the begin of the raw file. */
    int SetFileOffset(int var) { FileOffset = var; }
    ClassDef(PscuHeader, 1)

  };
}

#endif /* PSCU_HEADER_H */