WebUSB sample not recognized correctly in Windows 10

[maxd-nordic]

Describe the bug
Automatic driver installation does not work for the WebUSB sample. It just gets assigned the null GUID and is shown with a warning triangle. Zadig also shows that the device did not get the correct WICD. On Linux, the WebUSB stuff seems to work fine, so I presume this is mostly related to the MS OS 2.0 descriptors / BOS entry. The MS OS 1.0 stuff seems to be irrelevant for anything newer than Windows 7.

To Reproduce

• Build the WebUSB sample with an nRF52 or nRF53 DK. (I don't think this is hardware-related.)
• Plug into a Windows 10 machine or VM

Expected behavior
The WinUSB driver should be installed automatically, the device should not be should with a warning symbol in the device manager. The GUID should be reported correctly.

Impact
This is a showstopper for me since it prevents me from implementing my current project: A Zephyr implementation of CMSIS-DAP v2. The automatic driver installation part is mandatory to conform to the spec.

Environment (please complete the following information):

• Windows 10
• Zephyr 3.3.0

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[carlescufi]

This is a showstopper for me since it prevents me from implementing my current project: A Zephyr implementation of CMSIS-DAP v2. The automatic driver installation part is mandatory to conform to the spec.

Have you seen this? #53798

[maxd-nordic]

Yes, I'm trying to finish that one for Johann. :)

[tmon-nordic]

The problem is definitely in MS OS 2.0 descriptor. One of the issue is that

zephyr/samples/subsys/usb/webusb/src/main.c

Line 40 in c6c93e3

0x02, /* Index of first interface this subset applies to. */

hardcodes the first interface index to 0x02 while the sample when built for nrf52840dk_nrf52840 has only one interface with number 0.

Changing the index itself doesn't seem to be enough though.

[maxd-nordic]

This fixes the issue: #59758

[github-actions]

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