On Mon, 19 Nov 2018, Ethan via cctalk wrote:
I have a question. I use the USB port for serial. In my program, I use a
fixed com port. When going to the control panel, I find that I see (in use)
tags on some of the com ports. I'm the only one currently using the com
ports but recently another (in use) showed up, requiring me to modify my
program to use another com port. How does one unuse a com port? how do I
find out what is using it so I can stop it? I'm using windows 7
professional. Has anyone else had this problem? Dwight
Do you unplug the USB to Serial dongle with a terminal program open?
FYI, "In Use" doesn't mean the port is actively used by another process,
it means that the /name/ has been assigned and isn't available to assign
to a new COM device.
g.
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