Adaptive peripheral device driver and software call...

Details Adaptive peripheral device driver and software call... Adaptive peripheral device driver and software call...

2005-12-06

2005-12-06

Huynh, Kim (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S008000, C710S010000, C710S036000, C710S062000

Reexamination Certificate

active

06973512

ABSTRACT:
An adaptive driver and method is presented for communicating between an operating system of a computer and various peripheral devices connected to the computer via a peripheral bus. Operating characteristics and input/output characteristics of the peripheral device and all intervening hardware devices placed between the operating system and the peripheral device are noted in a linked set of data fields, i.e., a driver stack. Serialized data transfers are coordinated using the driver stack, and each request for a data transfer is submitted to the stack in the form of an input/output request packet (IRP). Unlike conventional practice, in which IRPs must be pre-defined and hard-coded to conform to the characteristics of a particular peripheral device, the adaptive driver derives the device characteristics from data structures maintained by the operating system and constructs IRPs accordingly. Thus, a driver embodying the method presented herein is capable of supporting a variety of dissimilar USB peripherals, requiring substantially no modification of the driver software.

REFERENCES:
patent: 6061746 (2000-05-01), Stanley et al.
patent: 6205503 (2001-03-01), Mahalingam
patent: 6470397 (2002-10-01), Shah et al.
patent: 6484226 (2002-11-01), Wallach et al.
patent: 2002/0178300 (2002-11-01), Dubal et al.

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