National Instruments GPIB-PC User Manual
Page 130
Section Four A
BASICA/QuickBASIC GPIB-PC Function Calls
©National Instruments Corp.
4A-55
GPIB-PC User Manual
The board
IBRDF
operation terminates on any of the following events:
•
Error is detected;
•
Time limit is exceeded;
•
END message is detected;
•
EOS character is detected (if this option is enabled); or
•
Device Clear (DCL) or Selected Device Clear (SDC)
command is received from another device which is the CIC.
After termination,
IBCNT%
contains the number of bytes read, modulo
65,536.
Device Example:
1.
Read data from the device
RDR%
into the file
RDGS
on disk
drive B.
100 REM Perform device read.
110 FLNAME$ = "B:RDGS"
120 CALL IBRDF (RDR%,FLNAME$)
130 REM Check IBSTA% and IBCNT% to see how
140 REM the read completed (not done here).
150 REM All addressing and unaddressing has
160 REM been done.