[Octave-bug-tracker] [bug #59581] [octave forge] (instrument-control) serialport error after second call

[Jens Bongartz]

Follow-up Comment #3, bug #59581 (project octave):

Hi John, 
thanks for your reply. I tried to condense the code to a point where the error
message is reproducible. I suppose I found it.

>> pkg load instrument-control
>> s1 = serialport("COM9");
>> clear s1
>> s1 = serialport("COM9");
>> clear s1
>> s1 = serialport("COM9");
>> bytesavailable = get(s1,"numbytesavailable")
bytesavailable = 0
>> clear s1
>> s1 = serialport("COM9");
error: serialport: Error opening the interface: No such file or directory

I can open and close the serialport without problems until I request
"numbytesavailable". After this the serialport seems not to be released
properly. I found this on Win 8.1 and OSX. Can you confirm this behavior on
your side?

Best
Jens

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