System for integrating event-related information and trace...

Details System for integrating event-related information and trace... System for integrating event-related information and trace...

2006-09-05

2006-09-05

Rodriguez, Paul L. (Department: 2123)

Data processing: structural design, modeling, simulation, and em

Emulation

Compatibility emulation

C703S028000, C714S028000

Reexamination Certificate

active

07103530

ABSTRACT:
An emulation and debugging system that includes an in-circuit emulator couplable to a microcontroller. The in-circuit emulator is adapted to execute an event thread in lock-step with the microcontroller. Event information generated as a result of executing the event thread is sampled at selected points and the sampled event information is stored in memory. Trace information is also recorded at the selected points. The sampled event information and the recorded trace information are time-stamped. In one embodiment, a display device is coupled to the in-circuit emulator. The display device is used for displaying analog and/or digital waveforms representing the sampled event information and the recorded trace information. Accordingly, an in-circuit emulator system can also function as an oscilloscope and/or as a logic analyzer, allowing a user to view event and trace information, along with other information, that are generated as part of the debugging process.

REFERENCES:
patent: 6173419 (2001-01-01), Barnett
patent: 6314529 (2001-11-01), Rana
patent: 6314530 (2001-11-01), Mann
patent: 2002/0035721 (2002-03-01), Swoboda
patent: 2003/0151427 (2003-08-01), Piasecki et al.
patent: 2003/0223612 (2003-12-01), Knorr et al.
patent: 2004/0193957 (2004-09-01), Swoboda et al.
patent: 2004/0250150 (2004-12-01), Swoboda et al.
Robert Boys “The Software Engineer's Guide to In-Circuit Emulation” Nohau, Oct. 16, 2000, 4 pages.

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