Aim MIL-STD-1553 - Page 130

MIL-STD-1553 Reference Manual
116
Chapter 3 – System Functions
A
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8
8
m
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BC or RT System Dynamic Data Mode
Value
Constant
Description
1
API_BC _MODE
BC System Dynamic Data mode
2
API_RT_MODE
RT System Dynamic Data mode
T
T
Y
Y
_
_
A
A
P
P
I
I
_
_
S
S
Y
Y
S
S
T
T
A
A
G
G
*
*
p
p
s
s
y
y
s
s
t
t
a
a
g
g
System Dynamic Data description
typedef struct ty_api_systag
{
AiUInt16 xid_rtsa;
AiUInt16 fct;
AiUInt16 min;
AiUInt16 max;
AiUInt16 step;
AiUInt16 wpos;
AiUInt16 bpos;
} TY_API_SYSTAG;
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1
1
6
6
x
x
i
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d
d
_
_
r
r
t
t
s
s
a
a
'mode'
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
1 (BC)
XFER_ID
2 (RT)
RT_ADDR
'mode'
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1 (BC)
XFER_ID
2 (RT)
SUBADDR_MODECODE
X
X
F
F
E
E
R
R
_
_
I
I
D
D
Transfer ID
Note: See Section 1.3.5 for the range allowed for this parameter.
R
R
T
T
_
_
A
A
D
D
D
D
R
R
Value
Value
0..31
Remote Terminal Address
S
S
U
U
B
B
A
A
D
D
D
D
R
R
_
_
M
M
O
O
D
D
E
E
C
C
O
O
D
D
E
E
Value
Value
1..30
RT Subaddress
0
31
Mode code
('wpos' determines the Mode code Number)
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1
1
6
6
f
f
c
c
t
t
System Dynamic Data Word Generation Function
Value
Constant
Description
0
1
2
3
4
5
6
7
API_SYSTAG_FCT_DISABLE
API_SYSTAG_FCT_POS_RAMP
API_SYSTAG_FCT_NEG_RAMP
API_SYSTAG_FCT_POS_TRIANGLE
API_SYSTAG_FCT_NEG_TRIANGLE
API_SYSTAG_FCT_DATASET
API_SYSTAG_FCT_STATES
API_SYSTAG_FCT_COMP
Disable
Positive Ramp Function
Negative Ramp Function
Positive Triangle Function
Negative Triangle Function
Dynamic Dataset Function
User States Function
Complement Function
8
API_SYSTAG_FCT_CHECKSUM
Checksum Function
A
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1
1
6
6
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‘fct’
Value
Value
1..4
0..n
Lower Limit of the System Dynamic Data Word
5
0..4095
Dataset Buffer Start ID
(refer to function ApiCmdRamWriteDataset)
6
0..4095
Dataset Buffer ID
(refer to function ApiCmdRamWriteDataset)
7
0..31
Word Position to build the complement from
8
0..31
Checksum Start Word Position