National Instruments GPIB-MAC User Manual page 134

Table of Contents

November 1985

bits, 1 ston bit. and no

Then, connect the serial cable to the serial port of your Macintosh

and to the GPIB-MAC. Connect the GPIB cable to your device and

the GPIB-MAC. Turn the power switch of the GPIB-MAC to On.

Programming

stat

In BASIC, before reading or writing to the serial port, a device must

be "opened" Place the following BASIC statement at the beginning

of your program to open and configure the serial port (COMl) and

name it device #l.

Note that you will now use PRINT #l to redirect strings to the serial

port. Now, send the

returned after every progr amming message. To do this, include the

following code in your program:

After you send this programming message, you can expect four

lines of data at the serial port (each line is terminated by

can write this later. For now, add the line:

124

APPENDIX H - SAMPLE PROGRAM

Set the back Dane1 switches on the

Steps

OPEN "COM1:9600,n,8,1" as #l

stat

function if you want status information

PRINT # 1, "stat c n"

Table of Contents