"PDU EPU crate power state register" (APP/LHK)

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	PduEnv4
0x016	bf	PDUEPUPWR epupwr

Definition:

Alignment:	2-byte boundary
APID:	546/0x222
Attribute(s):
C type:	unsigned short
Length:	16 bits (2 bytes)
Offset:	0x016

Description:

Contains the state of the EPU power switches in the PDU.

Layout: (hide detail; help)

Start	Stop	Size		Item Type and Name
0	12	13		Padus13 spare0
13	13	1		switch epu2pwr
14	14	1		switch epu1pwr
15	15	1		switch epu0pwr

PDUEPUPWR (bf)
|  Padus13 spare0 (0-12)
|  switch epu2pwr (13) ... epu0pwr (15)

typedef struct _LHK_PDUEPUPWR_Bfl {

    #if ENDIANNESS_IS_BIG

    /* Explicit 13 bit pad in unsigned short */
    unsigned short       spare0:13;

    /* A switch (usually a power switch) */
    unsigned short       epu2pwr:1;

    /* A switch (usually a power switch) */
    unsigned short       epu1pwr:1;

    /* A switch (usually a power switch) */
    unsigned short       epu0pwr:1;

    #elif ENDIANNESS_IS_LITTLE

    /* A switch (usually a power switch) */
    unsigned short       epu0pwr:1;

    /* A switch (usually a power switch) */
    unsigned short       epu1pwr:1;

    /* A switch (usually a power switch) */
    unsigned short       epu2pwr:1;

    /* Explicit 13 bit pad in unsigned short */
    unsigned short       spare0:13;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LHK_PDUEPUPWR_Bfl;

typedef union _LHK_PDUEPUPWR {

    /* underlying unsigned short */
    unsigned short                  us;

    /* struct mapped bitfield */
    struct _LHK_PDUEPUPWR_Bfl       bf;

} LHK_PDUEPUPWR;

Fields:

Padus13 (index)

Attribute(s):  

Brief:  "Explicit 13 bit pad in unsigned short"

Instance(s):  spare0

Explicit 13 bit pad in unsigned short

switch (index)

Attribute(s):  LHKSWITCHSTATES

Brief:  "A switch (usually a power switch)"

Instance(s):  epu0pwr, epu1pwr, epu2pwr

A switch (usually a power switch)