Re: [Libusb-devel] Find specific USB device based on udev info

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

On Fri, Jul 1, 2011 at 6:49 PM, Michael Bauer <mi...@m-...> wrote:
> Xiaofan Chen wrote:
>> Hopefully Alan's answer is good for you. However, I am wondering why you
>> want to use the DEVPATH/DEVNAME to match the device. Why not use
>> VID/PID plus serial number or manufacturer string or things like that to
>> match the device? In that case, no udev rules are required.
>
> In general I fully agree and would have done it like that, but the problem
> is that i want to support multiple connected devices of the same kind. And
> in this case the information available from udev is completely identical. So
> i can only rely on the physical address...

I see. This topic has been discussed before but unfortunately I do not
know when the topology API can be added to libusb-1.0.
http://libusb.6.n5.nabble.com/equivalent-quot-DevicePath-quot-of-WinUSB-in-LibUSB-td2640222.html





-- 
Xiaofan