Re: [OpenOCD-user] FTDI and ST-Link V2 problems with OpenOCD 0.11.0 on Windows

[Xiaofan C. <xia...@gm...>]

On Wed, Jul 21, 2021 at 4:50 PM Xiaofan Chen <xia...@gm...> wrote:
>
> On Tue, Jul 20, 2021 at 9:30 PM R. Diez via OpenOCD-user
> <ope...@li...> wrote:
> > Unfortunately, I am still at a loss regarding the ST-Link V2. That is no
> >  composite device, so your suggestion wouldn't help in that case.
> >
>
> Take note ST-Link V2 is a USB Composite Device.
>
> You have an option for the following two.
> 1) Debug (WinUSB.sys) + Virtual Com Ports (usbser.sys)
> 2) Debug (WinUSB.sys) + Virtual Com Ports (usbser.sys) + USB Mass Storage
>
> In my test, I choose to go with Option 1. I do not see the difference
> if using Option 2.
>
> And I do not need to use WinUSB driver to replace the USB
> Composite Parent. It just works with ST's default driver.
>

And you say it is a ST-Link V2 clone, what is the device configuration?
If you have access to Linux, you can post the output of "lsusb -vvv"
about your clone.

If you encountered a problem like this, you may want to follow the
instructions here to see if that helps, which is to use WinUSB
as the driver for the USB Composite Device.
https://github.com/ntfreak/openocd/blob/master/README.Windows



--
Xiaofan