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List:       libusb-devel
Subject:    Re: [libusb] double enumeration on hotplug, but only for darwin?
From:       Richard Hughes <hughsient () gmail ! com>
Date:       2023-08-15 8:02:53
Message-ID: CAD2FfiHHXogjFXusV3h2jKUaOTLWo7j-ymgz0u1D5Fp61KndvA () mail ! gmail ! com
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On Mon, 14 Aug 2023 at 23:01, Nathan Hjelm <hjelmn@me.com> wrote:
> libusb is responding to the changes in the IOUSBPlane maintained by the kernel

Useful, thanks.

> Is the software doing something that would cause re-enumeration? For example, \
> making a call to libusb_reset_device?

From a software point of view, I don't think so. The MCU replies to
the control transfer and just resets, reinitialising the USB stack and
reappearing with a different VID/PID. I'll work on some kind of
debounce host-side. Thanks.

Richard.


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