Aim MIL-STD-1553 - Apicmdbcgetmajorframedefinition

MIL-STD-1553 Reference Manual
213
Chapter 7 – Bus Controller Functions
7.1.8 ApiCmdBCGetMajorFrameDefinition
Prototype:
AiInt16 ApiCmdBCGetMajorFrameDefinition ( AiUInt8 Module, AiUInt8 Biu,
TY_API_BC_MFRAME *px_BCMajorFrame);
Driver Command:
API_BC_MAJ_FRAME_GET (0x6C)
Purpose:
This function is used to read the sequence of Minor Frames within the Major Frame.
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n
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p
p
u
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t
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None
O
O
u
u
t
t
p
p
u
u
t
t
T
T
Y
Y
_
_
A
A
P
P
I
I
_
_
B
B
C
C
_
_
M
M
F
F
R
R
A
A
M
M
E
E
*
*
p
p
x
x
_
_
B
B
C
C
M
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a
a
j
j
o
o
r
r
F
F
r
r
a
a
m
m
e
e
BC Major Frame description
typedef struct ty_api_bc_mframe
{
AiUInt8 cnt;
AiUInt8 fid[MAX_API_BC_MFRAME];
} TY_API_BC_MFRAME;
#define MAX_API_BC_MFRAME 64
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U
U
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8
8
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Value
Description
1..64
Amount of Minor Frames in Major Frame
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U
U
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8
8
f
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[
[
]
]
Value
Description
1..64
Sequence of Minor Frame Identifiers
O
O
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u
t
t
p
p
u
u
t
t
n
n
o
o
n
n
e
e
Return Value
A
A
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I
I
n
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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.