Aim AMC429, Справочное руководство

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188 Software Library Reference Manual for VME 429
Section 9 - Scenario Functions
' ' A A i i U U I I n n t t 8 8 r r a a t t e e
'Refresh Rate
Value Description
10, 100, 200 Data Refresh Rate in ms
' ' A A i i U U I I n n t t 8 8 p p a a d d d d i i n n g g 1 1 ' '
Reserved (0)
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Reserved (0)
' ' A A i i U U I I n n t t 3 3 2 2 i i n n i i t t _ _ d d a a t t a a
Label Init Data (bit 8-31 of label data, right aligned)
Bit 31 Bit 30 Bit 29 Bit 28 Bit 27 Bit 26 Bit 25 Bit 24
LABEL_DATA
Bit 23 Bit 22 Bit 21 Bit 20 Bit 19 Bit 18 Bit 17 Bit 16
LABEL_DATA
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
LABEL_DATA
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
reserved
‘init_data’ shifted eight bit to the left is the here described label data.
T T Y Y _ _ A A P P I I 4 4 2 2 9 9 _ _ S S C C E E _ _ X X F F E E R R _ _ F F I I E E L L D D f f l l d d [ [ M M A A X X _ _ A A P P I I 4 4 2 2 9 9 _ _ S S C C E E _ _ F F I I E E L L D D S S ] ] ; ;
typedef struct
{
AiUInt8 type;
AiUInt8 lsb;
AiUInt8 width;
AiUInt8 func;
double range;
double fpar1;
double fpar2;
double fpar3;
double fpar4;
} TY_API429_SCE_XFER_FIELD;
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'Field Type
Value Constant Description
1 API429_FLD_BNRS binary signed field
negative values in 2's complement
LSB of field is sign bit
2 API429_FLD_BNRU binary unsigned field
3 API429_FLD_BCDS BCD signed field
sign-magnitude coding
sign implicit coded in SSM (bits 29, 30
from bits 0..31)
4 API429_FLD_BCDU BCD unsigned field
no sign-magnitude coding
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Least significant bit of field (bit 8..31)
A value of 0 means bit 8, a value of 23 means bit 31.
' ' A A i i U U I I n n t t 8 8 f f l l d d [ [ ] ] . . w w i i d d t t h h ' '
Value Description
1..23 Width of field in bits