Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi - Manual (Page 368)

III. COMMAND REFERENCES - 15. Command References 15B. Driver488/SUB, W31, W95, & WNT
Personal488 User’s Manual, Rev. 3.0 III-353
The UnTalk command unaddresses an external device that was addressed to Talk.
Wait
SYNTAX int pascal Wait(DevHandleT devHandle);
devHandle refers to either an interface or an external device. If devHandle is an
external device, the Wait command acts on the hardware interface to which
the external device is attached.
RETURNS -1 if error
MODE Any
BUS STATES Determined by previous Enter or Output command.
SEE ALSO Enter, Output, Buffered, Status
EXAMPLE errorcode = Wait(ieee);
The Wait command causes Driver488 to wait until any asynchronous transfer has completed before
returning to the user’s program. It can be used to guarantee that the data has actually been received
before beginning to process it, or that it has been sent before overwriting the buffer. It is especially
useful with the
Enter command, when a terminator has been specified. In that case, the amount that is
actually received is unknown, and so the user’s program must check with Driver488 to determine when
the transfer is done. Time out checking, if enabled, is performed while
Wait ing.