"GBM calculated information" (DAQ/ISIS)

ITOS Mnemonic:  LISISGBMINFO

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Contains the best availiable calculated location and reliability data.

Layout:  (hide detail; help)

GBM calculated information (GBMCalcInfo) Telecommand Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=1	SH	APID=0x660:1
002	SF=3		Sequence Count
004	Packet Length=288
006	0	Function Code=1
008	BUINT SecsTenths
00C	UWRD Secs2Us
00E	BITS_8 SeqNum								BITS_8 VerNum
010	UWRD LocRA
012	UWRD LocDec
014	UWRD LocError
016	UWRD LocAlgo
018	BUINT ClassReliability
01C	BUINT TrigReason0
020	BUINT TrigReason1
024	BUINT TrigReason2
028	BUINT TrigReason3
02C	Packet Checksum

GBMCalcInfo (pkt)
|  BUINT SecsTenths (bf)
|  |  UINT uint (0-31)
|  UWRD Secs2Us (fld)
|  BITS_8 SeqNum (fld) ... VerNum (fld)
|  UWRD LocRA (fld) ... LocAlgo (fld)
|  BUINT ClassReliability (bf)
|  |  UINT uint (0-31)
|  BUINT TrigReason0 (same bf)
|  BUINT TrigReason1 (same bf)
|  BUINT TrigReason2 (same bf)
|  BUINT TrigReason3 (same bf)

typedef struct _ISIS_GBMCalcInfo_Pkt {

    /* CCSDS header */
    char                 hdr[8];

    /* Command payload */
    ISIS_GBMCalcInfo_Prm pay;

} ISIS_GBMCalcInfo_Pkt;

Fields:

BITS_8 (index)

Attribute(s):  

Brief:  "Bits, 8 wide"

Instance(s):  SeqNum, VerNum

BUINT (index)

Attribute(s):  

Brief:  "Unsigned integer work around for ITOS"

Instance(s):  ClassReliability, SecsTenths, TrigReason0, TrigReason1, TrigReason2, TrigReason3

UWRD (index)

Attribute(s):  

Brief:  "Unsigned 16-bit integer"

Instance(s):  LocAlgo, LocDec, LocError, LocRA, Secs2Us