Method and system for automatic peripheral device...

Details Method and system for automatic peripheral device... Method and system for automatic peripheral device...

2010-06-18

2011-11-22

Sorrell, Eron J (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

C710S008000, C710S048000, C710S050000, C713S001000

Reexamination Certificate

active

08065444

ABSTRACT:
Method and system for latency-independent peripheral device identification. The computer system receives an interrupt from a peripheral device via a communications port. In response, an interrupt notification message is posted to alert a notification handler, and compliant peripheral class is determined. The voltage on a device may sense pin of the communications port for this determination. If the interrupt is indicative of the compliant peripheral class and the communications port is inactive, the port is opened, and an inquiry is sent and a response is received. If a response is received within a predetermined time period, an identification notification message is posted based on the response including information for classifying the peripheral device, so that a software handler registered with the operating system can handle the identification notification message when the software handler receives it. Thus, no time-critical interrupt response requirement is imposed for its successful operation.

REFERENCES:
patent: 5469545 (1995-11-01), Vanbuskirk et al.
patent: 5781744 (1998-07-01), Johnson et al.
patent: 6311242 (2001-10-01), Falkenburg et al.
patent: 6694428 (2004-02-01), Lemke et al.
patent: 7757011 (2010-07-01), Lemke et al.

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