Computing > Embedded Computing

ST-Link V2 Virtual COM Port Not Working

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T3sl4co1l:
Anyone had this?  Windows 7, driver's installed, it's assigned a port number (as seen in Device Manager, show hidden devices) but doesn't show up (not present).  Neither standalone ST-LINK dongle nor Discovery board work.  Up to date drivers, and firmware (version V2J37S0).

Tim

PKTKS:

--- Quote from: T3sl4co1l on October 03, 2021, 11:24:59 am ---Anyone had this?  Windows 7, driver's installed, it's assigned a port number (as seen in Device Manager, show hidden devices) but doesn't show up (not present).  Neither standalone ST-LINK dongle nor Discovery board work.  Up to date drivers, and firmware (version V2J37S0).

Tim

--- End quote ---

First the 2 cents disclaimer:
i do not use windooze for nothing these days..

But i just follow the comedy show their shitty products provide...

The folk here on this channel provides some interesting STM32 hints and tips..
Reason some times i enjoy listening his ideas...

One ancient one shows some bizarre tricks needed to workaround the buggy lib-usb in windooze...

Fast forward to about 8minutes.


Portugues (galicia style) spoken but youtube provides translation in english reasonable audible..

About Maple and STM32 transition he has some interesting comments

Paul

T3sl4co1l:
It is not a libusb device.

(I do have a libusb device, which works fine, namely via avrdude.)

Tim

PKTKS:
Fast forward to about  13 minutes when he presents the solution by device itself

It is written on the board.. and spoken

In case of trouble drop a note may i can translate the board to help

Paul

SiliconWizard:
What happens when you plug the dongle in? Does Windows enumerate it? Does it show a message about the device having malfunctioned?

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