100 API Command Reference
Personal488 User's Manual For Windows95 and Windows NT
Resume
Driver488/W95 only
Syntax
INT WINAPI Resume(DevHandleT devHandle, BOOL monitor);
devHandle
refers to either an interface or an external device. If
devHandle
refers to an
external device, then the
Resume
command acts on the hardware interface to which
the external device is attached.
monitor
is a flag that when it is
ON
, Driver488 monitors the data.
Returns
-1
if error
Mode
CA
Bus States
*ATN
Examples
errorcode = Resume(ieee,OFF);
Do not go into monitoring mode.
errorcode = Resume(ieee,ON);
errorcode = Finish(ieee);
Go into monitoring mode.
See Also
Finish
The
Resume
command unasserts the Attention (
ATN
) bus signal. Attention is normally kept asserted by
Driver488, but it must be unasserted to allow transfers to take place between two peripheral devices. In
this case, Driver488 sends the appropriate Talk and Listen addresses, and then must unassert Attention
with the
Resume
command.
If
monitor
is specified, Driver488 monitors the handshaking process but does not participate in it.
Driver488 takes control synchronously when the last terminator or
EOI
is encountered. At that point,
the transfer of data stops. The
Finish
command must be called to assert Attention and release any
pending holdoffs to be ready for the next action.
Summary of Contents for OMB-PER-488/W95
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