Aim MIL-STD-1553 - Page 90

MIL-STD-1553 Reference Manual
76
Chapter 3 – System Functions
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Lower Byte of the IRIG milli second field
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Reserved (0)
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IRIG time source
Value
Constant
Description
0
API_IRIG_INTERN
Board is switched to internal IRIG time source
1
API_IRIG_EXTERN
Board is switched to external IRIG time source
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IRIG time synchronized
Value
Constant
Description
0
API_IRIG_NOT_SYNC
IRIG time is not synchronized
1
API_IRIG_SYNC
IRIG time is synchronized
Note: The IRIG time is e.g. not synchronized, if the board is switched to external IRIG
time generator and no external IRIG signal is detected.
Return Value
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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.