Packet catalog_header

Catalog header packet structure

Summary of Packet Fields

The packets of type catalog_header contain the following fields:

Name	DataType	BitLength	BitOffset	ByteOrder
Instrument SCLK Time secondTime tag, J2000 (seconds)	uint	32	0	big
Instrument SCLK Time subsecFractional time (1/216 seconds)	uint	16	32	big
Accountability IDAccountability ID	uint	32	48	big
CADHDROFFSET	uint	32	80	big
CATHDRTOTLEN	uint	32	112	big
CATHDRVLDCNT	uint	32	144	big
CATHDRBLOCK	uint	26	176	big
CATHDRPAGE	uint	6	202	big
CATHDRENTRYTOTAL	uint	32	208	big
CATHDRENTRYCNT	uint	32	240	big
CATHDRENTRYSTART	uint	32	272	big
CATHDRKEY	uint	32	304	big
CATHDRCKSUM	uint	32	336	big
CATHDRLEN	uint	32	368	big
CATHDRMORE	uint	32	400	big
CATHDRCONT	uint	32	432	big
SPARE0	uint	32	464	big
SPARE1	uint	32	496	big
SPARE2	uint	32	528	big
AID	uint	32	560	big
EVTCNT	uint	32	592	big
BLOCKCNT	uint	32	624	big
FPGAEVTCNT	uint	32	656	big
STARTTIME	uint	32	688	big
ENDTIME	uint	32	720	big
CATEGORYCOUNT	uint[32]	32	752	big
PADDING	fill	512	784	big
HS0PINCTRL	uint	32	1296	big
HS0PWRCTRL	uint	32	1328	big
HS1PINCTRL	uint	32	1360	big
HS1PWRCTRL	uint	32	1392	big
FPGATESTPATTERN	uint	32	1424	big
DCLKALIGN	uint	32	1456	big
EYEPATTERN	uint[24]	32	1488	big
EDACSTAT	uint	32	1520	big
ERRSTAT	uint	32	1552	big
MIRRORENA	uint	32	1584	big
STARTBLOCK	uint	32	1616	big
CURRENTWR	uint	32	1648	big
PROCESSCNT	uint	32	1680	big
PROCESSTIMESTAMP	uint	32	1712	big
ACQDURATION	uint	32	1744	big
PARAMTABLE1	uint	32	1776	big
PARAMTABLE2	uint	32	1808	big
MEMPARAM1	uint	32	1840	big
MEMPARAM2	uint	32	1872	big
EVTSTARTMARKER	uint	32	1904	big
FIRSTEVENTHDR	uint[64]	32	1936	big
PROCCHANS	uint	32	1968	big
TOFPEAKWIDTH	uint	32	2000	big
TOFPEAKMIN	uint	32	2032	big
TOFPEAKSIG	uint	32	2064	big
HSSAMPLES	uint	32	2096	big
LSSAMPLES	uint	32	2128	big
HSBLKCNT	uint	32	2160	big
LSBLKCNT	uint	32	2192	big
HSCLIP	uint	32	2224	big
LSCLIP	uint	32	2256	big
HSPREMIN	uint	32	2288	big
HSPOSTMIN	uint	32	2320	big
LSPREMIN	uint	32	2352	big
LSPOSTMIN	uint	32	2384	big
HSMINDELTA	uint	32	2416	big
LSMINDELTA	uint	32	2448	big
NOISECAT	uint	32	2480	big
FIRSTEVT	uint	32	2512	big
FIRSTSEC	uint	32	2544	big
FIRSTSUB	uint	32	2576	big
LASTEVT	uint	32	2608	big
LASTSEC	uint	32	2640	big
LASTSUB	uint	32	2672	big
OVREVT	uint	32	2704	big
OVRSEC	uint	32	2736	big
OVRSUB	uint	32	2768	big
O00EVT	uint	32	2800	big
O00SEC	uint	32	2832	big
O00SUB	uint	32	2864	big
PAGECNT	uint	32	2896	big
PADDING2	uint[]	8	2928	big
SYNCCATHDR	uint	16	2936	big
PEC (CRC-16-CCITT)Packet Error Control field, using CRC-16-CCITT algorithm	uint	16	2952	big

Packet Field Details

Here follows the detailed description of the packet fields.

Instrument SCLK Time second

Time tag, J2000 (seconds)

DataType	uint
BitLength	32
BitOffset	0
ByteOrder	big

Instrument SCLK Time subsec

Fractional time (1/216 seconds)

DataType	uint
BitLength	16
BitOffset	32
ByteOrder	big

Accountability ID

Accountability ID

DataType	uint
BitLength	32
BitOffset	48
ByteOrder	big

CADHDROFFSET

DataType	uint
BitLength	32
BitOffset	80
ByteOrder	big

CATHDRTOTLEN

DataType	uint
BitLength	32
BitOffset	112
ByteOrder	big

CATHDRVLDCNT

DataType	uint
BitLength	32
BitOffset	144
ByteOrder	big

CATHDRBLOCK

DataType	uint
BitLength	26
BitOffset	176
ByteOrder	big

CATHDRPAGE

DataType	uint
BitLength	6
BitOffset	202
ByteOrder	big

CATHDRENTRYTOTAL

DataType	uint
BitLength	32
BitOffset	208
ByteOrder	big

CATHDRENTRYCNT

DataType	uint
BitLength	32
BitOffset	240
ByteOrder	big

CATHDRENTRYSTART

DataType	uint
BitLength	32
BitOffset	272
ByteOrder	big

CATHDRKEY

DataType	uint
BitLength	32
BitOffset	304
ByteOrder	big

CATHDRCKSUM

DataType	uint
BitLength	32
BitOffset	336
ByteOrder	big

CATHDRLEN

DataType	uint
BitLength	32
BitOffset	368
ByteOrder	big

CATHDRMORE

DataType	uint
BitLength	32
BitOffset	400
ByteOrder	big

CATHDRCONT

DataType	uint
BitLength	32
BitOffset	432
ByteOrder	big

SPARE0

DataType	uint
BitLength	32
BitOffset	464
ByteOrder	big

SPARE1

DataType	uint
BitLength	32
BitOffset	496
ByteOrder	big

SPARE2

DataType	uint
BitLength	32
BitOffset	528
ByteOrder	big

AID

DataType	uint
BitLength	32
BitOffset	560
ByteOrder	big

EVTCNT

DataType	uint
BitLength	32
BitOffset	592
ByteOrder	big

BLOCKCNT

DataType	uint
BitLength	32
BitOffset	624
ByteOrder	big

FPGAEVTCNT

DataType	uint
BitLength	32
BitOffset	656
ByteOrder	big

STARTTIME

DataType	uint
BitLength	32
BitOffset	688
ByteOrder	big

ENDTIME

DataType	uint
BitLength	32
BitOffset	720
ByteOrder	big

CATEGORYCOUNT

DataType	uint[32]
BitLength	32
BitOffset	752
ByteOrder	big
ArrayShape	(32,)
ArrayOrder	C

PADDING

DataType	fill
BitLength	512
BitOffset	784
ByteOrder	big

HS0PINCTRL

DataType	uint
BitLength	32
BitOffset	1296
ByteOrder	big

HS0PWRCTRL

DataType	uint
BitLength	32
BitOffset	1328
ByteOrder	big

HS1PINCTRL

DataType	uint
BitLength	32
BitOffset	1360
ByteOrder	big

HS1PWRCTRL

DataType	uint
BitLength	32
BitOffset	1392
ByteOrder	big

FPGATESTPATTERN

DataType	uint
BitLength	32
BitOffset	1424
ByteOrder	big

DCLKALIGN

DataType	uint
BitLength	32
BitOffset	1456
ByteOrder	big

EYEPATTERN

DataType	uint[24]
BitLength	32
BitOffset	1488
ByteOrder	big
ArrayShape	(24,)
ArrayOrder	C

EDACSTAT

DataType	uint
BitLength	32
BitOffset	1520
ByteOrder	big

ERRSTAT

DataType	uint
BitLength	32
BitOffset	1552
ByteOrder	big

MIRRORENA

DataType	uint
BitLength	32
BitOffset	1584
ByteOrder	big

STARTBLOCK

DataType	uint
BitLength	32
BitOffset	1616
ByteOrder	big

CURRENTWR

DataType	uint
BitLength	32
BitOffset	1648
ByteOrder	big

PROCESSCNT

DataType	uint
BitLength	32
BitOffset	1680
ByteOrder	big

PROCESSTIMESTAMP

DataType	uint
BitLength	32
BitOffset	1712
ByteOrder	big

ACQDURATION

DataType	uint
BitLength	32
BitOffset	1744
ByteOrder	big

PARAMTABLE1

DataType	uint
BitLength	32
BitOffset	1776
ByteOrder	big

PARAMTABLE2

DataType	uint
BitLength	32
BitOffset	1808
ByteOrder	big

MEMPARAM1

DataType	uint
BitLength	32
BitOffset	1840
ByteOrder	big

MEMPARAM2

DataType	uint
BitLength	32
BitOffset	1872
ByteOrder	big

EVTSTARTMARKER

DataType	uint
BitLength	32
BitOffset	1904
ByteOrder	big

FIRSTEVENTHDR

DataType	uint[64]
BitLength	32
BitOffset	1936
ByteOrder	big
ArrayShape	(64,)
ArrayOrder	C

PROCCHANS

DataType	uint
BitLength	32
BitOffset	1968
ByteOrder	big

TOFPEAKWIDTH

DataType	uint
BitLength	32
BitOffset	2000
ByteOrder	big

TOFPEAKMIN

DataType	uint
BitLength	32
BitOffset	2032
ByteOrder	big

TOFPEAKSIG

DataType	uint
BitLength	32
BitOffset	2064
ByteOrder	big

HSSAMPLES

DataType	uint
BitLength	32
BitOffset	2096
ByteOrder	big

LSSAMPLES

DataType	uint
BitLength	32
BitOffset	2128
ByteOrder	big

HSBLKCNT

DataType	uint
BitLength	32
BitOffset	2160
ByteOrder	big

LSBLKCNT

DataType	uint
BitLength	32
BitOffset	2192
ByteOrder	big

HSCLIP

DataType	uint
BitLength	32
BitOffset	2224
ByteOrder	big

LSCLIP

DataType	uint
BitLength	32
BitOffset	2256
ByteOrder	big

HSPREMIN

DataType	uint
BitLength	32
BitOffset	2288
ByteOrder	big

HSPOSTMIN

DataType	uint
BitLength	32
BitOffset	2320
ByteOrder	big

LSPREMIN

DataType	uint
BitLength	32
BitOffset	2352
ByteOrder	big

LSPOSTMIN

DataType	uint
BitLength	32
BitOffset	2384
ByteOrder	big

HSMINDELTA

DataType	uint
BitLength	32
BitOffset	2416
ByteOrder	big

LSMINDELTA

DataType	uint
BitLength	32
BitOffset	2448
ByteOrder	big

NOISECAT

DataType	uint
BitLength	32
BitOffset	2480
ByteOrder	big

FIRSTEVT

DataType	uint
BitLength	32
BitOffset	2512
ByteOrder	big

FIRSTSEC

DataType	uint
BitLength	32
BitOffset	2544
ByteOrder	big

FIRSTSUB

DataType	uint
BitLength	32
BitOffset	2576
ByteOrder	big

LASTEVT

DataType	uint
BitLength	32
BitOffset	2608
ByteOrder	big

LASTSEC

DataType	uint
BitLength	32
BitOffset	2640
ByteOrder	big

LASTSUB

DataType	uint
BitLength	32
BitOffset	2672
ByteOrder	big

OVREVT

DataType	uint
BitLength	32
BitOffset	2704
ByteOrder	big

OVRSEC

DataType	uint
BitLength	32
BitOffset	2736
ByteOrder	big

OVRSUB

DataType	uint
BitLength	32
BitOffset	2768
ByteOrder	big

O00EVT

DataType	uint
BitLength	32
BitOffset	2800
ByteOrder	big

O00SEC

DataType	uint
BitLength	32
BitOffset	2832
ByteOrder	big

O00SUB

DataType	uint
BitLength	32
BitOffset	2864
ByteOrder	big

PAGECNT

DataType	uint
BitLength	32
BitOffset	2896
ByteOrder	big

PADDING2

DataType	uint[]
BitLength	8
BitOffset	2928
ByteOrder	big
ArrayShape	expand
ArrayOrder	C

SYNCCATHDR

DataType	uint
BitLength	16
BitOffset	2936
ByteOrder	big

PEC (CRC-16-CCITT)

Packet Error Control field, using CRC-16-CCITT algorithm

DataType	uint
BitLength	16
BitOffset	2952
ByteOrder	big