Measurement-computing Personal488 rev.3.0 Manual de usuario Pagina 128

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Personal488 for Windows 95/98/Me/NT/2000
04-10-01
API Reference 6-60
Trigger
Syntax
INT WINAPI Trigger(DevHandleT devHandle);
devHandle
refers to either an IEEE 488 interface or an external device.
Returns
-1
if error
Bus States
With interface handle:
ATN
GET
With external device handle:
ATN
UNL, MTA, LAG, GET
Examples
errorcode =
Trigger(ieee);
Issues a Group Execute Trigger (
GET
) bus command to those
devices that are already in the Listen state as the result of
a previous
Output
or
Send
command
errorcode =
Trigger(dmm);
Issues a Group Execute Trigger (
GET
) bus command to the
device specified
See Also
TriggerList, Status, SendCmd
The
Trigger
command issues a Group Execute Trigger (
GET
) bus command to the specified device. If no
interface devices are specified, then the
GET
only affects those devices that are already in the Listen state as
a result of a previous
Output
or
Send
command.
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