s3_spha.h

Go to the documentation of this file.

/* $Id: s3_spha.h,v 1.6 1998/12/07 18:12:39 ad Exp $         */
#include "hdfi.h"

#define SEP_PHA_MAX 30     /* the maximum number of pha events that fit */
                           /* into this data structure - an arbitrary number */

#define SEP_PHA_CYCPERSR 60 /* number of pha collection cycles per Science Rec */

/* sctime_readout: spacecraft clock of first minor frame of the EDB */

/* sctime_collection: pha data are collected over 1 spin and output */
/* during the next spin. There are 60 pha collection cycles per SR. */
/* sctime_collection contains the time of the start of the */
/* collection cycle (spin), in spacecraft clock time units */

struct spha{
    uint32 sctime_readout;     /* 32 bit spacecraft time  */
    float64 sctime_collection; /* spacecraft time, sub-second resolution */

    uint16 QAC; /* number of frames missing in this EDB */

    uint16  concat; /* Sequence number for this structure will be */
                /* greater than 1 for cases where the number of */
                /* events in the EDB exceeds SEP_PHA_MAX. In these */
                /* cases, concat will count down from N to 1, where N */
            /* is the total number of spha structures for the */
            /* current EDB. */

    uint16 numevts; /* Number of pha events in this data structure. */
                        /* Should be SEP_PHA_MAX when concat > 1. */
            /* When concat == 1, numevts <= SEP_PHA_MAX */

    uint16 numevtsedb; /* Number of pha events in the whole EDB */

    uint16 edb; /* sequence number of EDB in Science Record (0-59) */
    
    uint8  range[SEP_PHA_MAX]; /* range*/
    uint8  sector[SEP_PHA_MAX];/* sector*/
    uint8  fan[SEP_PHA_MAX];   /* fan */
    uint8  sys[SEP_PHA_MAX];   /* sys*/
    uint8  dZ[SEP_PHA_MAX];    /*  delta Z */
    uint16 E[SEP_PHA_MAX];     /* Energy*/
    uint8  Eg[SEP_PHA_MAX];    /* Energy gain bit */
    uint16 dE[SEP_PHA_MAX];    /* delta Energy */
    uint8  dEg[SEP_PHA_MAX];   /* delta Energy gain bit*/
    uint16 Y[SEP_PHA_MAX];     /* Y value */
};