MIL-STD-1553 Reference Manual
Chapter 9 – Bus Monitor Functions
Time in steps of 20ns before physical trigger event
Time in steps of 20ns before virtual trigger event
Note: The trace before trigger time can only be set in single shot mode. In the
continuous capturing mode, this value is ignored.
Return Value
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.