User`s guide

Programming with VISA 3
Agilent VISA User’s Guide 63
VI_ATTR_EVENT_TYPE Unique logical identifier of the
event.
RO ViEventType VI_EVENT_TRIG
VI_ATTR_RECV_TRIG_ID The identifier of the triggering
mechanism on which the
specified trigger event was
received.
RO ViInt16 VI_TRIG_SW
VI_EVENT_IO_COMPLETION
Notification that an asynchronous operation has completed.
Event Attribute Description AP Data Type Range
VI_ATTR_EVENT_TYPE Unique logical identifier of the
event.
RO ViEventType VI_EVENT_IO_
COMPLETION
VI_ATTR_STATUS Return code of the asynchronous
I/O operation that has completed.
RO ViStatus N/A
VI_ATTR_JOB_ID Job ID of the asynchronous
operation that has completed.
RO ViJobId N/A
VI_ATTR_BUFFER Address of buffer used in an
asynchronous operation.
RO ViBuf N/A
VI_ATTR_RET_COUNT Actual number of elements that
were asynchronously transferred.
RO ViUInt32 0 to FFFFFFFF
h
VI_ATTR_OPER_NAME The name of the operation
generating the event.
RO ViString N/A
Table 19 VXI Mainframe Backplane (BACKPLANE) Resource Events
VI_EVENT_TRIG
Notification that a trigger interrupt was received from the backplane. For VISA, the only triggers that can
be sensed are VXI hardware triggers on the assertion edge (SYNC and ON trigger protocols only).
Event Attribute Description AP Data Type Range
VI_ATTR_EVENT_TYPE Unique logical identifier of the
event.
RO ViEventType VI_EVENT_TRIG
Table 18 GPIB Bus Interface (INTFC) Resource Events