Chapter 3
Local Command Set
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National Instruments Corporation
3-67
AckTrig
Purpose
Acknowledge the specified TTL/ECL or external (GPIO) trigger.
Query Syntax
AckTrig <line>
where the value of
<line>
corresponds to the trigger line to acknowledge.
Response
Program response: 0
Console response:
Trigger acknowledged (line = <line text>).
<CRLF>
where the meaning of
<line text>
corresponds to the value of
<line>
as follows.
Example
Acknowledge a trigger interrupt for TTL line 4.
AckTrig 4
Value
Trigger Line
0 to 7
TTL trigger lines 0 to 7
8 to 9
ECL trigger lines 0 to 1
40 to 49
External source/destination (GPIO 0 to 9)
Value of
<line>
Value of
<line text>
0 to 7
TTL <line>
8 to 9
ECL (<line> – 8)
40 to 49
GPIO (<line> – 40)
