DBS9900 User’s Manual
5-24
DBS9900 Driver Software
82-28993 Revision 01
5.5 Trigger
This class provides functions to communicate with the instrument
•
to change and query the trigger configuration for each module and
•
to set and query the trigger mode for each module.
5.5.1 Set
Trigger
Source
an9900_setTrigSource
This function sets the trigger source.
Function Prototype
ViStatus _VI_FUNC
an9900_setTrigSource
(ViSession
vi
, AN9900_MODULE
mod
,
AN9900_TRIGSRC
src
);
an9900_setTrigSource
Parameters
Variable Type
Description
<INPUT>
vi
ViSession
This control accepts the Instrument Handle returned by the Initialize
function to select the desired instrument driver session.
mod
AN9900_MODULE
AN9900_MOD_A Module A selected.
AN9900_MOD_B Module B selected.
src
AN9900_TRIGSRC AN9900_TRIGSRC_REG Select
Software
Trigger.
AN9900_TRIGSRC_ECL0
Select Backplane ECL trigger.
AN9900_TRIGSRC_ECL0
Select Backplane ECL trigger.
AN9900_TRIGSRC_FP_A
Select Front Panel trigger.
AN9900_TRIGSRC_FP_B
Select Front Panel trigger.
AN9900_TRIGSRC_TTL0
Select backplane TTL trigger (TTL 0 – 7).
AN9900_TRIGSRC_TTL1, AN9900_TRIGSRC_TTL2
AN9900_TRIGSRC_TTL3, AN9900_TRIGSRC_TTL4
AN9900_TRIGSRC_TTL5, AN9900_TRIGSRC_TTL6
AN9900_TRIGSRC_TTL7
<OUTPUT>
None
<RETURN>
= 0
> 0
< 0
ViStatus “VI_SUCCESS”
Warning: The function completed, but an exception condition occurred
which may require attention.
Error: The function did not complete successfully.
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