undefined first referenced
symbol in file
--------- ----------------
USBHostAutoReqClear ../../../Library/StarterWare/usblib/Debug/usblib.lib<usbhostenum.obj>
USBHostAutoReqSet ../../../Library/StarterWare/usblib/Debug/usblib.lib<usbhostenum.obj>
USBHostRequestINClear ../../../Library/StarterWare/usblib/Debug/usblib.lib<usbhostenum.obj>