Omega OMB-PER-488/W95, User Manual

Page: 69 / 144

Personal488 User's Manual For Windows 95 and Windows NT API Command Reference 63
Disarm
Syntax
INT WINAPI Disarm(DevHandleT devHandle, ArmCondT condition);
devHandle refers to either an IEEE 488 interface or an external device. If devHandle
refers to an external device, then the
Disarm
command acts on the hardware interface
to which the external device is attached.
condition specifies which of the conditions are no longer to be monitored. If condition is
0 , then all conditions are Disarm ed.
Returns
-1 if error
otherwise, the current bit map of the event condition mask.
Mode
Any
Bus States
None
Examples
errorcode=Disarm(ieee,acTalk|acListen|acChange);
errorcode=Disarm(ieee,0);
See Also
Arm, OnEvent
The
Disarm
command prevents Driver488 from invoking an event handler and interrupting the PC,
even when the specified condition occurs. Your program can still check for the condition by using the
Status
command. If the
Disarm
command is invoked without specifying any conditions, then all
conditions are disabled. The
Arm
command may be used to re-enable interrupt detection.