
III. COMMAND REFERENCES - 14. Command Summaries 14E. Driver488/W31, Visual Basic
Personal488 User’s Manual, Rev. 3.0 III-281
SPoll (IntfHandle)
Get SRQ state
SPollList (ListFirstElement(0),
ResultFirstElement(0),UntilFlag
)
Serial Poll devices until parameters are met
Status (IntfHandle,StatusVal)
Return details of state of the driver
Stop (IntfHandle)
See ioStop
SysController (IntfHandle,SysCont)
Specify if interface is to be System Controller
Talk (IntfHandle,Prim,Sec)
Send specified Talk Address
Term (Handle,TermVal,TermType)
Set terminators for interface or device
TimeOut (Handle, Timeout)
Set time that must elapse before time out error
declared
Trigger (Handle)
Issue Group Execute Trigger
TriggerList (ListFirstElement (0))
Issue GET to devices in list
UnListen (IntfHandle)
Send the Unlisten (UNL) command
UnTalk (IntfHandle)
Send the Untalk (UNT) command
Wait (IntfHandle)
See ioWait
The Commands
To obtain a more detailed description of the command references for Driver488/W31, turn to Chapter
15 “Command References” in this Section. The commands are presented in alphabetical order for ease
of use.
Syntax Parameters
Name Type Description
Async integer
Flag to indicate async transfer
Bytes string
String containing characters to transfer
ByVal ErrText string
Buffer containing error text
ByVal Message string
Buffer used to receive Hello message
ByVal Name string
Name of external device or DOS device
CompStat integer
Completion status from Driver
Count long
Long count specifier
Data string
Buffer used to send or receive data
DevHandle integer
External device handle
Display integer
Error message display is TURN ON or TURN
OFF
DmaChan integer
Hardware DMA channel
ErrHandle integer
Handle that caused error
Flag integer
ON or OFF specifier
ForceAddr integer
Force address flag
Freq integer
Clock frequency
Handle integer
Either a DevHandle or an IntfHandle
IntLev integer
Hardware Interrupt level
IntfHandle integer
Interface handle
IOAddr integer
I/O base address
Last integer
Terminator on last byte indicator
Length integer
Number of Bytes
Limit integer
Max number of listeners
ListFirstElement(0)
integer array
First element of the array of handles
Monitor integer
Data monitor ON or OFF
PPresponse integer
Configuration byte
Prim integer
IEEE 488 primary address
ResultFirstElement(0)
integer
First element of the array of results
Sec integer
IEEE 488 secondary address
Comentarios a estos manuales