Driver488/sub, quickbasic, Function descriptions, Topics – Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi User Manual
Page 282

III. COMMAND REFERENCES - 14. Command Summaries
14B. Driver488/SUB, QuickBASIC
Personal488 User’s Manual, Rev. 3.0
III-267
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
ioClear% (Handle%)
Issue Selected Device Clear (SDC) or Device
Clear (DCL)
ioClearList% (IntHandles%)
Clear devices in list
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%,IntLev%)
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
14B. Driver488/SUB, QuickBASIC
Topics
•
Function Descriptions ...............................................................III-266
•
The Commands ............................................................................III-268
•
Syntax Parameters......................................................................III-268
•
Defined Constants.......................................................................III-269
•
Structure Definitions .................................................................III-269