|void * deviceDriverPtr|
In the device driver open function, after having allocated a device driver specific structure, call tfDeviceStorePointer() to store a pointer to that structure on the interface.
- Interface ID as returned by tfAddInterface().
- Device driver pointer to be stored on the interface.
- A device driver pointer was already stored on that interface.
- Invalid interface handle.
|Note:||See also tfDeviceClearPointer() and tfDeviceGetPointer().|