Aim MIL-STD-1553 - Page 229

MIL-STD-1553 Reference Manual
215
Chapter 7 – Bus Controller Functions
Value
Constant
Description
a minor frame (the delay time is then
determined by the minor frame time).
4
API_BC_INSTR_STROBE
BC external Strobe Instruction
If this instruction is executed, the BC trigger output of the
board is pulsed. After this operation, the instruction
execution continues with the following instruction.
A
A
i
i
U
U
I
I
n
n
t
t
1
1
6
6
x
x
i
i
d
d
[
[
]
]
‘instr’
Bit-Pos
Value
Description
1
15..0
1.. n
BC Transfer Identifier
See Section 1.3.5 for the range allowed for
this parameter
2
15
7..0
0
1
1..127
Disable Interrupt
Enable Interrupt
Skip Count
Number of instructions which shall be
skipped, including the current instruction.
3
15..0
0..65535
BC Wait Time (in 250ns steps)
The maximum delay time is appr. 16ms
4
15..0
0
reserved
O
O
u
u
t
t
p
p
u
u
t
t
n
n
o
o
n
n
e
e
Return Value
A
A
i
i
I
I
n
n
t
t
1
1
6
6
All API functions return API_OK if no error occurred. If the return value is not equal
to API_OK the function ApiGetErrorDescription can be used to obtain an error
description.