On 10/3/03 9:12 AM, "John Cebasek" <email@hidden> wrote:
> What's the difference between USBInterfaceOpenSeize() and
> USBDeviceOpenSeize()?
>
> And...
>
> If USBDeviceOpenSeize() is called first, will it cause
> USBInterfaceOpenSeize() to fail with kIOReturnExclusiveAccess error?
Devices and Interfaces are totally separate, so opening one should not have
an effect on the other. Now, if there is an interface driver that open()'s
it's device, then, of course, a DeviceOpen() will fail.
--
Fernando Urbina mailto:email@hidden
USB Technology Team work: 719.534.9387
Apple Computer, Inc. fax: 719.532.0981
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