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Driver488/sub, pascal, Function descriptions, Topics – Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi User Manual

Page 286

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III. COMMAND REFERENCES - 14. Command Summaries

14C. Driver488/SUB, Pascal

Personal488 User’s Manual, Rev. 3.0

III-271

Function Descriptions

Command

Description

ioAbort (IntfHandle)

Assert IFC

ioAddress (IntfHandle, IOAddr)

Specify I/O port base address of I/O adapter

ioArm (IntfHandle,Condition)

Arm OnEvent for specified event(s)

ioAutoRemote (IntfHandle,Flag)

Assert REN on Output

ioBuffered (IntfHandle)

Return number of buffered bytes

ioBusAddress (Handle,Prim,Sec)

Set IEEE address of interface or device

ioCheckListener (IntfHandle Prim,

Sec)

Check for device at specified bus address

ioClockFrequency (IntfHandle,

Freq)

Specify clock interface frequency

ioClose (Handle)

Close specified handle

ioControlLine (IntfHandle)

Get bus line status from IEEE 488 or serial bus

ioDisarm (IntfHandle, Condition)

Disarm event handling for specified condition

ioDmaChannel (IntfHandle, DmaChan)

Specify DMA channel

ioEnter (IntfHandle,Data)

Read data from specified device

ioEnterMore (IntfHandle,Data)

Read data from specified device without forcing

address

ioEnterN (IntfHandle,Data,Count)

Read count bytes from specified device

ioEnterNMore

(IntfHandle,Data,Count)

Read count bytes without forcing address

ioEnterX (DevHandle, Data, Count,

ForceAddr, Term, Async,
CompStat)

Read data adjusting all parameters

ioError (Handle, Display)

Control display of error messages

ioFindListeners (IntfHandle, Prim,

Listener, Limit)

Find devices configurable to listen at specific

address

ioFinish (IntfHandle)

Reassert ATN (see Resume)

ioGetError (Handle, ErrText)

Get error code and error text

ioGetErrorList (DevHandles,

ErrText, ErrHandle)

Find device in error and identify

ioHello (IntfHandle, Message)

Verify communication and get revision number

ioIntLevel (IntfHandle,IOAddr)

Specify hardware interrupt level of I/O adapter

ioKeepDevice (DevHandle)

Make specified external device permanent

ioLightPen (IntfHandle, LightPen)

Enable or disable detection of interrupts via light

pen status

ioListen (IntfHandle, Prim, Sec)

Send Listen Address

ioLocal (Handle)

Unassert REN (IntfHandle) or issue GTL

(DevHandle)

ioLocalList (DevHandles)

Issue GTL to devices in list

ioLol (IntfHandle)

Issue LLO bus command

14C. Driver488/SUB, Pascal

Topics

Function Descriptions ...............................................................III-270

The Commands ............................................................................III-272

Syntax Parameters......................................................................III-272

Defined Constants.......................................................................III-272

Structure Definitions .................................................................III-273