Measurement Computing Personal488 rev.3.0 For DOS & Windows 3.Xi - Manual (Page 309)

15A. Driver488/DRV Commands III. COMMAND REFERENCES - 15. Command References
III-294 Personal488 User’s Manual, Rev. 3.0
FINISH
SYNTAX FINISH
RESPONSE None
MODE CA
BUS STATES ATN
SEE ALSO RESUME, PASS CONTROL
EXAMPLE PRINT#1, “FINISH”
The FINISH command asserts ATN and releases any pending holdoffs after a RESUME function is called
with the monitor flag set. FINISH everything necessary for Driver488 to be ready for the next
operation.
HELLO
SYNTAX HELLO
RESPONSE Driver488 Revision X.X (C)199X IOtech, Inc.
MODE Any
BUS STATES None
SEE ALSO Status; OpenName, GetError (Sub-Chapter 15B)
EXAMPLE PRINT#1,"HELLO"
INPUT#2,A$
PRINT A$ Get the HELLO response and display it.
The HELLO command is used to verify communication with Driver488, and to read the software
revision number. When the command is sent, Driver488 returns a string similar to the following:
Driver488 Revision X.X (C)199X IOtech, Inc.
where X is the appropriate revision or year number.
INT LEVEL
SYNTAX INT LEVEL [channel|NONE]
channel is a valid interrupt channel.
RESPONSE None
MODE Any
BUS STATES None
SEE ALSO DMA CHANNEL, TIME OUT
EXAMPLES PRINT#1, “INT LEVEL 3"
The INT LEVEL command specifies the hardware interrupt level that is used by the I/O adapter.
Driver488 uses hardware interrupts, if available, to improve the efficiency of I/O adapter control and
communication. The interrupt level is specified by an integer in the range
2 through 15 , where channel
availability within this range is determined by the system bus type and the adapter type. The interrupt
level value must match the hardware settings on the I/O adapter card.
IO ADDRESS
SYNTAX IO ADDRESS[io-addr]
ioaddr is the I/O base address to set.
RESPONSE None
MODE Any
BUS STATES None
SEE ALSO INT LEVEL, DMA CHANNEL, TIME OUT
EXAMPLES PRINT#1,"IOADDRESS &H02E1"