"Configuration bits read from the CRU" (APP/LHK)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	PigStatus
0x014	bf	CRUconfig CRUconfig

Definition:

Alignment:	4-byte boundary
APID:	596/0x254
Attribute(s):
C type:	unsigned int
Length:	32 bits (4 bytes)
Offset:	0x014

Description:

Contents of the CRU configuration register

Layout: (hide detail; help)

Start	Stop	Size		Item Type and Name
0	0	1		status status
1	7	7		Padui7 spare0
8	15	8		uc version
16	23	8		Padui8 spare1
24	26	3		Padui3 spare2
27	27	1		enable evenParityCell
28	28	1		enable evenParityHeader
29	29	1		select gbm
30	30	1		select pps
31	31	1		enable internal_pps

CRUconfig (bf)
|  status status (0)
|  Padui7 spare0 (1-7)
|  uc version (8-15)
|  Padui8 spare1 (16-23)
|  Padui3 spare2 (24-26)
|  enable evenParityCell (27) ... evenParityHeader (28)
|  select gbm (29) ... pps (30)
|  enable internal_pps (31)

typedef struct _LHK_CRUconfig_Bfl {

    #if ENDIANNESS_IS_BIG

    /* Readout status (ADC or switch) */
    unsigned int         status:1;

    /* Explicit 7 bit pad in unsigned int */
    unsigned int         spare0:7;

    /* Unsigned char */
    unsigned int         version:8;

    /* Explicit 8 bit pad in unsigned int */
    unsigned int         spare1:8;

    /* Explicit 3 bit pad in unsigned int */
    unsigned int         spare2:3;

    /* An enable bit (disabled/enabled) */
    unsigned int         evenParityCell:1;

    /* An enable bit (disabled/enabled) */
    unsigned int         evenParityHeader:1;

    /* Primary/redundant selector */
    unsigned int         gbm:1;

    /* Primary/redundant selector */
    unsigned int         pps:1;

    /* An enable bit (disabled/enabled) */
    unsigned int         internal_pps:1;

    #elif ENDIANNESS_IS_LITTLE

    /* An enable bit (disabled/enabled) */
    unsigned int         internal_pps:1;

    /* Primary/redundant selector */
    unsigned int         pps:1;

    /* Primary/redundant selector */
    unsigned int         gbm:1;

    /* An enable bit (disabled/enabled) */
    unsigned int         evenParityHeader:1;

    /* An enable bit (disabled/enabled) */
    unsigned int         evenParityCell:1;

    /* Explicit 3 bit pad in unsigned int */
    unsigned int         spare2:3;

    /* Explicit 8 bit pad in unsigned int */
    unsigned int         spare1:8;

    /* Unsigned char */
    unsigned int         version:8;

    /* Explicit 7 bit pad in unsigned int */
    unsigned int         spare0:7;

    /* Readout status (ADC or switch) */
    unsigned int         status:1;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LHK_CRUconfig_Bfl;

typedef union _LHK_CRUconfig {

    /* underlying unsigned int */
    unsigned int                    ui;

    /* struct mapped bitfield */
    struct _LHK_CRUconfig_Bfl       bf;

} LHK_CRUconfig;

Fields:

enable (index)

Attribute(s):  LHKENABLESTATES

Brief:  "An enable bit (disabled/enabled)"

Instance(s):  evenParityCell, evenParityHeader, internal_pps

An enable bit (disabled/enabled)

Padui3 (index)

Attribute(s):  

Brief:  "Explicit 3 bit pad in unsigned int"

Instance(s):  spare2

Explicit 3 bit pad in unsigned int

Padui7 (index)

Attribute(s):  

Brief:  "Explicit 7 bit pad in unsigned int"

Instance(s):  spare0

Explicit 7 bit pad in unsigned int

Padui8 (index)

Attribute(s):  

Brief:  "Explicit 8 bit pad in unsigned int"

Instance(s):  spare1

Explicit 8 bit pad in unsigned int

select (index)

Attribute(s):  LHKSELECTSTATES

Brief:  "Primary/redundant selector"

Instance(s):  gbm, pps

Primary/redundant selector

status (index)

Attribute(s):  LHKSETTLESTATES

Brief:  "Readout status (ADC or switch)"

Instance(s):  status

Readout status. If set, read out failed for the designated ADC/switch.

uc (index)

Attribute(s):  

Brief:  "Unsigned char"

Instance(s):  version

Unsigned char