Thanks, Krysztof. I'm trying to follow your example and maybe to massage it into my need. One quick question - In your example, you set vendor code to be 0xBC. Is this code of any significance? What values should I use? b_vendor_code = 0xBC, Jun On Thu, Jan 4, 2018 at 8:22 AM, Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx> wrote: > > > On 01/04/2018 06:58 AM, Jun Sun wrote: >> >> Hi, all, >> >> I'm playing with USB gadget with configfs on raspberry pi zero w. My >> goal is to setup a generic functionfs function that uses Windows OS >> descriptor so that windows would automatically install winusb driver. >> It seems I would have to >> >> - enable MS-specific os descriptor >> - specify the compatiblity id to be "WINUSB" >> - specify interface GUID (optional?) >> >> It seems simple enough. > > > You can checkout libusbgx example for a "good" values for RNDIS and expected > directory structure: > > https://github.com/libusbgx/libusbgx/blob/master/examples/gadget-rndis-os-desc.c > >> > >> However, the first problem I'm having is that I can't find the >> os_desc/ directory for the ffs function I created. > > > Because there is no such directory;) > os_desc in case of functionfs are provided by daemon together with USB > descriptors. > > Best regards, > -- > Krzysztof Opasiak > Samsung R&D Institute Poland > Samsung Electronics -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
