Aim MIL-STD-1553 - Page 417

MIL-STD-1553 Reference Manual
403
Chapter 9 – Bus Monitor Functions
1: The Trigger is enabled after the first data buffer is completely filled once. This mode will always produce
valid trace before trigger data. In this mode trigger conditions might be lost.
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a
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y
y
Trigger Delay Time
This value defines the delay time after a trigger has occurred until the capturing is started. The time
resolution is calculated from the sampling rate, which is setup with parameter px_ScopeSetup-
>ul_SamplingRate in the function ApiCmdScopeSetup().
Value
Description
0..262143
Delay Time in steps of 1µs
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Trace Before Trigger
This value defines the time the data is captured before a trigger occurrence.
Ul_TrgDelay
Value
Description
0
0..262143
Time in steps of 20ns before physical trigger event
>0
0..262143
Time in steps of 20ns before virtual trigger event
Note: This parameter is only available on APX, ACX MILScope modules. On
APE MILScope modules this value must be set to zero.
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e
Reserved for future use only.
Note: Tis parameter is only defied for APE MILScope modules. On APX, ACX
MILScope modules this value must be set to zero.
O
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u
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p
p
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N
N
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Return Value
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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.