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PATH Hardware Documentation
> USB Devices
> Mac OS USB DDK API Reference
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The USL provides an interface to services provided by the USB Manager. These services make it so class drivers need only link against the USB Services library or Driver Services library.
The errors returned by the USB Management functions include:
kUSBBadDispatchTable
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-6950 | improper driver dispatch table |
kUSBUnknownNotification
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-6949 | notification type not defined |
kUSBQueueFull
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-6948 | internal queue full |
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