The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2004
Filed:
Feb. 22, 2002
John H. Linn, Albuquerque, NM (US);
Richard P. Moleres, Albuquerque, NM (US);
Xilinx, Inc., San Jose, CA (US);
Abstract
In a plurality of logical device driver instances, each instance ( ) representing a specific version ( ) of the device driver, can be accessed by an embedded application ( ) via a common interface ( ). A logical device driver instance includes the common interface which includes a plurality of functions ( ) linked to the embedded application. A logical device driver also includes a virtual function table ( ) having pointers ( ) that points from each of the plurality of functions of the common interface to a plurality of functions ( ) of a specific version of the device driver among a plurality of versions of the device driver. The virtual function table is set up dynamically during run-time initialization of a logical device driver instance.