Re: hidapi: does not retrieve serial number of device on macos x

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

On Thu, Apr 18, 2013 at 1:50 AM, Peter Stuge <pe...@st...> wrote:
> folkert wrote:
>> I ported clewarecontrol to hidapi and all runs fine on linux.
>> On macos x, though, it doesn't show the serial number.
> ..
>> The hidtest program included in hidapi doesn't show the serial either:
>
> So if you take a quick look at the code it's clear that serial is
> handled just like the Manufacturer and Product strings.
>
> Since serial number make it through the kernel API for Ludovic (even
> if only for some devices) the problem is pretty clearly with Apple. :\
>
> Maybe you can find some advice on the apple USB mailing list?
>

That is a good advice.

The answer from Apple.
http://prod.lists.apple.com/archives/usb/2013/Apr/msg00023.html

It seems to be a potential problem with  Apple's USB HID driver.


-- 
Xiaofan