Aim MIL-STD-1553 - Apicmdcalsigcon

MIL-STD-1553 Reference Manual
154
Chapter 4 – Calibration Functions
4.1.2 ApiCmdCalSigCon
Prototype:
AiInt16 ApiCmdCalSigCon ( AiUInt32 ul_ModuleHandle, AiUInt8 biu, AiUInt8 bus,
AiUInt8 con );
Driver Command:
API_CAL_SIG_CON (0xD0)
Purpose:
This function is used to enable/disable a 1 MHz square wave calibration test signal on
the selected MILbus of the AIM board. The amplitude of the square wave signal
depends on the setting of the appropriate D/A converter controlled by the library
function ApiCmdCalXmtCon.
Input
A
A
i
i
U
U
I
I
n
n
t
t
8
8
b
b
u
u
s
s
Value
Constant
Description
1
API_CAL_BUS_PRIMARY
Primary MILbus
2
API_CAL_BUS_SECONDARY
Secondary MILbus
A
A
i
i
U
U
I
I
n
n
t
t
8
8
c
c
o
o
n
n
Value
Constant
Description
0
API_DIS
Disable
1
API_ENA
Enable
Output
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.