Arm - Omega OMB-PER-488/W95 User Manual

Syntax
Returns
Mode
Bus States
Example
See Also
The

Arm

specified conditions occurs.
indicated.
The following
Condition
acSRQ
acPeripheral
acController
acTrigger
acClear
acTalk
acListen
acIdle
acByteIn
acByteOut
acError
acChange
Personal488 User's Manual For Windows 95 and Windows NT
INT WINAPI Arm(DevHandleT devHandle, ArmCondT condition);
refers to either an IEEE 488 hardware interface or an external device. If
devHandle
devHandle
interface to which the external device is attached.
condition is one of the following:
acController
,
acByteIn
-1 if DevHandleT
otherwise, the current state of the event trigger flag
Any
None
errorflag = Arm(ieee, acSRQ|acTrigger|acChange);
Disarm, OnEvent
command allows Driver488 to signal to the user-specified function when one or more of the
sets a flag for each implementation of the conditions which are user-
Arm
conditions may be combined using the bitwise
Arm
conditions are supported:
Arm
Description
The Service Request bus line is asserted.
An addressed status change has occurred and the interface is a Peripheral.
An addressed status change has occurred and the interface is an Active Controller.
The interface has received a device
The interface has received a device
An addressed status change has occurred and the interface is a Talker.
An addressed status change has occurred and the interface is a Listener.
An addressed status change has occurred and the interface is neither Talker nor Listener.
The interface has received a data byte.
The interface has been configured to output a data byte.
A Driver488 error has occurred.
The interface has changed its addressed status. Its Controller/Peripheral or
Talker/Listener/Idle states of the interface have changed.
Arm
refers to an external device, the
acError
, acTrigger , acClear
, or
acByteOut acChange
is an illegal device or interface
Trigger
Clear command.
Arm command acts on the hardware
, acSRQ , acPeripheral ,
, acTalk , acListen , acIdle
.
operator.
OR
command.
API Command Reference
,
49