Aim MIL-STD-1553 - Apicmdgenioinchnread

MIL-STD-1553 Reference Manual
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Chapter 11 – General I/O Functions
11.1.4 ApiCmdGenIoInChnRead
Prototype:
AiInt16 ApiCmdGenIoInChnRead (AiUInt32 ul_Module, AiUInt8 genio_type, AiUInt8 chn,
AiUInt32 ctl, AiUInt32 val);
Driver Command:
TG_API_GEN_IO_IN_CHN_READ (0x303)
Purpose:
This function is used to read data from the specified IO input channel.
I
I
n
n
p
p
u
u
t
t
A
A
i
i
U
U
I
I
n
n
t
t
8
8
g
g
e
e
n
n
i
i
o
o
_
_
t
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y
y
p
p
e
e
7……..4
3…….0
SlotNumber
BoardType
Slotnumber: 0
BoardType:
Value
Define
Description
0
API_GEN_IO_INIT_TYPE
Init ASP Driver structures and IO
access
1
API_GEN_IO_APX_TYPE
APX Discrete I/O type
A
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i
U
U
I
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n
n
t
t
8
8
c
c
h
h
n
n
Channel selection
For ‘BoardType’ = 1
Value
Description
0
Read all discrete input channels at once
1..32
read from single discrete input channel
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A
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U
U
I
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n
n
t
t
3
3
2
2
c
c
t
t
l
l
Reserved