"ARR State Bitfield" (APP/LHK)

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	Lrs0
0x05F	bf	ARRSTATEBF arr_state

Definition:

Alignment:	1-byte boundary
APID:	551/0x227
Attribute(s):
C type:	unsigned char
Length:	8 bits (1 byte)
Offset:	0x05F

Description:

Bitfield containing the current ARR observation state.

Layout: (hide detail; help)

Start	Stop	Size		Item Type and Name
0	1	2		Paduc2 pad
2	2	1		PENDING rep_req_pending
3	5	3		GRBSTATE grb_state
6	6	1		ACTIVE active
7	7	1		READY ready

ARRSTATEBF (bf)
|  Paduc2 pad (0-1)
|  PENDING rep_req_pending (2)
|  GRBSTATE grb_state (3-5)
|  ACTIVE active (6)
|  READY ready (7)

typedef struct _LHK_ARRSTATEBF_Bfl {

    #if ENDIANNESS_IS_BIG

    /* Explicit 2 bit pad in unsigned char */
    unsigned char        pad:2;

    /* Pending Status */
    unsigned char        rep_req_pending:1;

    /* GRB State */
    unsigned char        grb_state:3;

    /* Active Status */
    unsigned char        active:1;

    /* Ready Status */
    unsigned char        ready:1;

    #elif ENDIANNESS_IS_LITTLE

    /* Ready Status */
    unsigned char        ready:1;

    /* Active Status */
    unsigned char        active:1;

    /* GRB State */
    unsigned char        grb_state:3;

    /* Pending Status */
    unsigned char        rep_req_pending:1;

    /* Explicit 2 bit pad in unsigned char */
    unsigned char        pad:2;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LHK_ARRSTATEBF_Bfl;

typedef union _LHK_ARRSTATEBF {

    /* underlying unsigned char */
    unsigned char                   uc;

    /* struct mapped bitfield */
    struct _LHK_ARRSTATEBF_Bfl      bf;

} LHK_ARRSTATEBF;

Fields:

ACTIVE (index)

Attribute(s):  

Brief:  "Active Status"

Instance(s):  active

Flag to indicate that an activity is active.

GRBSTATE (index)

Attribute(s):  

Brief:  "GRB State"

Instance(s):  grb_state

Current state of the GRB handler (0=idle, 4=GRB0, 5=GRB1, 6=GRB2).

Paduc2 (index)

Attribute(s):  

Brief:  "Explicit 2 bit pad in unsigned char"

Instance(s):  pad

Explicit 3 bit pad in unsigned char

PENDING (index)

Attribute(s):  

Brief:  "Pending Status"

Instance(s):  rep_req_pending

Flag to indicate that an operation is pending.

READY (index)

Attribute(s):  

Brief:  "Ready Status"

Instance(s):  ready

Flag to indicate that an activity is ready to be started.