"Low-rate Science/LIM State Packet" (APP/LHK)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Contains GEM low-rate science counters and LIM state values.

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Low-rate Science/LIM State Packet (Lrs0) Telemetry Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=0	SH	APID=0x227
002	SF		Sequence Count
004	Packet Length=109
006	Timestamp
00E	Padus16 spares[0]
010	Padus16 spares[1]
012	Padus16 spares[2]
014	TIMESEC gemsec
018	TIMESUBSEC gemsub
01C	GEMLRS gemlrs
030	TIMESEC ebmsec
034	TIMESUBSEC ebmsub
038	EBMSTATS ebmstat
052	ACTION action
054	STATUS status
058	OPMODE op_mode								VIRTMODE virt_mode
05A	SAATRANSIT saa_transit								TASKSTATE lci_state
05C	TASKSTATE ldf_state								TASKSTATE lpa_state
05E	TOOSTATEBF too_state								ARRSTATEBF arr_state
060	REMAINSEC too_remain_sec
064	REMAINSEC arr_remain_sec
068	GBMCONFIGBF gbm_config								HVCONFIGBF hv_config
06A	Padus16 pad1
06C	REMAINSEC gbm_int_dis_remain_sec
070	LATCKEY latc_key

Lrs0 (pkt)
|  Padus16 spares[0-2] (fld)
|  TIMESEC gemsec (fld)
|  TIMESUBSEC gemsub (fld)
|  GEMLRS gemlrs (str)
|  |  GEMLRSLIVE live (fld)
|  |  GEMPRSCL presc (fld)
|  |  GEMLRSDISC disc (fld)
|  |  GEMLRSSENT sent (fld)
|  |  GEMLRSDEAD dead (fld)
|  TIMESEC ebmsec (fld)
|  TIMESUBSEC ebmsub (fld)
|  EBMSTATS ebmstat (str)
|  |  EVTSTAT evts[0-12] (fld)
|  ACTION action (fld)
|  STATUS status (fld)
|  OPMODE op_mode (fld)
|  VIRTMODE virt_mode (fld)
|  SAATRANSIT saa_transit (fld)
|  TASKSTATE lci_state (fld) ... lpa_state (fld)
|  TOOSTATEBF too_state (bf)
|  |  Paduc5 pad (0-4)
|  |  STARTED started (5)
|  |  ACTIVE active (6)
|  |  READY ready (7)
|  ARRSTATEBF arr_state (bf)
|  |  Paduc2 pad (0-1)
|  |  PENDING rep_req_pending (2)
|  |  GRBSTATE grb_state (3-5)
|  |  ACTIVE active (6)
|  |  READY ready (7)
|  REMAINSEC too_remain_sec (fld) ... arr_remain_sec (fld)
|  GBMCONFIGBF gbm_config (bf)
|  |  Paduc5 pad (0-4)
|  |  ALLOWED pri_int_allowed (5) ... rep_req_allowed (7)
|  HVCONFIGBF hv_config (bf)
|  |  Paduc7 pad (0-6)
|  |  ALLOWED hv_allowed (7)
|  Padus16 pad1 (fld)
|  REMAINSEC gbm_int_dis_remain_sec (fld)
|  LATCKEY latc_key (fld)

typedef struct _LHK_Lrs0_Tlm {

    /* Telemetry header */
    char                 hdr[14];

    /* Explicit 16 bit pad in unsigned short */
    unsigned short       spares[3];

    /* Timestamp seconds */
    unsigned int         gemsec;

    /* Timestamp subseconds */
    unsigned int         gemsub;

    /* GEM Low-Rate Science Counter */
    LHK_GEMLRS           gemlrs;

    /* Timestamp seconds */
    unsigned int         ebmsec;

    /* Timestamp subseconds */
    unsigned int         ebmsub;

    /* EBM Event Statistics */
    LHK_EBMSTATS         ebmstat;

    /* Most Recent LIM Action */
    unsigned short       action;

    /* Most Recent Action Status */
    unsigned int         status;

    /* Operating Mode */
    unsigned char        op_mode;

    /* Virtual Mode */
    unsigned char        virt_mode;

    /* SAA Transit Status */
    unsigned char        saa_transit;

    /* Task State */
    unsigned char        lci_state;

    /* Task State */
    unsigned char        ldf_state;

    /* Task State */
    unsigned char        lpa_state;

    /* TOO State Bitfield */
    LHK_TOOSTATEBF       too_state;

    /* ARR State Bitfield */
    LHK_ARRSTATEBF       arr_state;

    /* Time Remaining */
    unsigned int         too_remain_sec;

    /* Time Remaining */
    unsigned int         arr_remain_sec;

    /* GBM Interface Configuration Bitfield */
    LHK_GBMCONFIGBF      gbm_config;

    /* High-Voltage Interface Configuration Bitfield */
    LHK_HVCONFIGBF       hv_config;

    /* Explicit 16 bit pad in unsigned short */
    unsigned short       pad1;

    /* Time Remaining */
    unsigned int         gbm_int_dis_remain_sec;

    /* LATC File Key */
    unsigned int         latc_key;

} LHK_Lrs0_Tlm;

Fields:

ACTION (index)

Attribute(s):  

Brief:  "Most Recent LIM Action"

Instance(s):  action

Most recent LIM action.

ARRSTATEBF (index)

Attribute(s):  

Brief:  "ARR State Bitfield"

Instance(s):  arr_state

Bitfield containing the current ARR observation state.

EBMSTATS (index)

Attribute(s):  

Brief:  "EBM Event Statistics"

Instance(s):  ebmstat

Contains event transmit receive statistics from the EBM.

GBMCONFIGBF (index)

Attribute(s):  

Brief:  "GBM Interface Configuration Bitfield"

Instance(s):  gbm_config

Bitfield containing the current configuration of the GBM interface.

GEMLRS (index)

Attribute(s):  

Brief:  "GEM Low-Rate Science Counter"

Instance(s):  gemlrs

Contains 4 GEM low-rate science counter values.

HVCONFIGBF (index)

Attribute(s):  

Brief:  "High-Voltage Interface Configuration Bitfield"

Instance(s):  hv_config

Bitfield containing the current configuration of the ACD high-voltage interface.

LATCKEY (index)

Attribute(s):  

Brief:  "LATC File Key"

Instance(s):  latc_key

File key used in most recent LATC configuration.

OPMODE (index)

Attribute(s):  

Brief:  "Operating Mode"

Instance(s):  op_mode

Current operating mode.

Padus16 (index)

Attribute(s):  

Brief:  "Explicit 16 bit pad in unsigned short"

Instance(s):  pad1, spares

Explicit 16 bit pad in unsigned short

REMAINSEC (index)

Attribute(s):  

Brief:  "Time Remaining"

Instance(s):  arr_remain_sec, gbm_int_dis_remain_sec, too_remain_sec

Time remaining, in seconds.

SAATRANSIT (index)

Attribute(s):  

Brief:  "SAA Transit Status"

Instance(s):  saa_transit

SAA transit status (0 = transit not in progress, 1 = transit in progress).

STATUS (index)

Attribute(s):  

Brief:  "Most Recent Action Status"

Instance(s):  status

MSG status code of the most recent LIM action.

TASKSTATE (index)

Attribute(s):  

Brief:  "Task State"

Instance(s):  lci_state, ldf_state, lpa_state

Current state of an external task.

TIMESEC (index)

Attribute(s):  

Brief:  "Timestamp seconds"

Instance(s):  ebmsec, gemsec

TIMESUBSEC (index)

Attribute(s):  

Brief:  "Timestamp subseconds"

Instance(s):  ebmsub, gemsub

TOOSTATEBF (index)

Attribute(s):  

Brief:  "TOO State Bitfield"

Instance(s):  too_state

Bitfield containing the current TOO observation state.

VIRTMODE (index)

Attribute(s):  

Brief:  "Virtual Mode"

Instance(s):  virt_mode

Current virtual mode.