"An ADC result" (APP/LHK)

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	TemEnvTemp2
0x024	bf	ADC adc

Definition:

Alignment:	2-byte boundary
APID:	536/0x218
Attribute(s):
C type:	unsigned short
Length:	16 bits (2 bytes)
Offset:	0x024

Description:

A compound of ADC readout and limit evaluation

Layout: (hide detail; help)

Start	Stop	Size		Item Type and Name
0	2	3		ADClimit limit
3	3	1		status status
4	15	12		ADCvalue value

ADC (bf)
|  ADClimit limit (0-2)
|  status status (3)
|  ADCvalue value (4-15)

typedef struct _LHK_ADC_Bfl {

    #if ENDIANNESS_IS_BIG

    /* ADC limit evaluation */
    unsigned short       limit:3;

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

    /* Raw ADC value */
    unsigned short       value:12;

    #elif ENDIANNESS_IS_LITTLE

    /* Raw ADC value */
    unsigned short       value:12;

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

    /* ADC limit evaluation */
    unsigned short       limit:3;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LHK_ADC_Bfl;

typedef union _LHK_ADC {

    /* underlying unsigned short */
    unsigned short                  us;

    /* struct mapped bitfield */
    struct _LHK_ADC_Bfl             bf;

} LHK_ADC;

Fields:

ADClimit (index)

Attribute(s):  LHKADCLMTSTATES

Brief:  "ADC limit evaluation"

Instance(s):  limit

The result of comparing an ADC value against limits.

ADCvalue (index)

Attribute(s):  

Brief:  "Raw ADC value"

Instance(s):  value

Raw ADC value

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.