instrcallback - Event information when event occurs
Syntax
instrcallback(obj,event)
Description
instrcallback(obj,event) displays
a message that contains the event type, event,
the time the event occurred, and the name of the serial port object, obj,
that caused the event to occur.
For error events, the error message is also displayed. For pin
status events, the pin that changed value and its value are also displayed.
Remarks
You should use instrcallback as a template
from which you create callback functions that suit your specific application
needs.
Example
The following example creates the serial port objects s,
on a Windows platform. It configures s to
execute instrcallback when an output-empty event
occurs. The event occurs after the *IDN? command
is written to the instrument.
s = serial('COM1');
set(s,'OutputEmptyFcn',@instrcallback)
fopen(s)
fprintf(s,'*IDN?','async')The resulting display from instrcallback is
shown below.
OutputEmpty event occurred at 08:37:49 for the object:
Serial-COM1.
Read the identification information from the input buffer and
end the serial port session.
idn = fscanf(s);
fclose(s)
delete(s)
clear s
 | inspect | | instrfind |  |
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