
III. COMMAND REFERENCES - 14. Command Summaries 14D. Driver488/W31, C Languages
Personal488 User’s Manual, Rev. 3.0 III-277
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
The symbol
*
(asterisk) refers to a Pointer.
Name Type Description
Argument void far *
32 bit argument
Async bool
Flag to indicate async transfer
Bytes unsigned char *
Pointer to characters to transfer
CompStat int *
Completion status from Driver
Condition ArmCondT
Arm/Disarm bit mask
Count long
Long count specifier
Data char far *
Pointer to a character array
DevHandle DevHandleT
External device handle
DevHandles DevHandleT *
Pointer to array of handles
Display bool
Error message display is ON or OFF
DmaChan int
Hardware DMA channel
ErrHandle DevHandleT *
Pointer to handle that caused error
ErrText char *
Pointer to error text
Flag bool
ON or OFF specifier
ForceAddr bool
Force address flag
Freq int
Clock frequency
Handle DevHandleT
Either a DevHandle or an IntfHandle
Handler UserHandlerFP
Pointer to OnEvent Handler
IntLev int
Hardware Interrupt level
IntfHandle DevHandleT
Interface handle
Last bool
Terminator on last byte indicator
Length int
Number of Bytes
LightPen bool
Light Pen emulation is ON or OFF
Limit short
Max number of listeners
Listener unsigned short *
Pointer to listener list
Message char *
Pointer to character array
Monitor bool
Data monitor ON or OFF
Name char *
Pointer to name string
Ppresponse int
Configuration byte
Prim char
IEEE 488 primary address
SPResult unsigned char *
Array of SPOLL results
Sec char
IEEE 488 secondary address
SPstatus int
Service request status
StatusVal IeeeStatusT *
Pointer to status structure
SysCont bool
System Controller flag for IEEE 488 interface
TermP TermT *
Pointer to terminator structure
TermType int
Terminator type: TERMIN or TERMOUT
Timeout long
Timeout value in milliseconds
UntilFlag char
SpollList operating mode
Commentaires sur ces manuels