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USBInterfaceOpen works fine under 10.6 but now fails on 10.7?

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USBInterfaceOpen works fine under 10.6 but now fails on 10.7?

Subject: USBInterfaceOpen works fine under 10.6 but now fails on 10.7?
From: Laurent Daudelin <email@hidden>
Date: Mon, 25 Jul 2011 18:01:47 -0700

I have this piece of code that tries to basically open a connection that works fine in 10.5 and 10.6. Now, on 10.7, the call "USBInterfaceOpen()" fails with error -536870203 (kIOReturnExclusiveAccess). Why am I getting this error?

Thanks in advance for any pointer, info or help.

-Laurent.
--
Laurent Daudelin
AIM/iChat/Skype:LaurentDaudelin 				http://www.nemesys-soft.com/
Logiciels Nemesys Software					email@hidden

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