Real time control system for multitasking digital signal...

Details Real time control system for multitasking digital signal... Real time control system for multitasking digital signal...

2005-06-28

2005-06-28

An, Meng-Al T. (Department: 2127)

Electrical computers and digital processing systems: virtual mac

Task management or control

Batch or transaction processing

C718S100000, C718S102000

Reexamination Certificate

active

06912712

ABSTRACT:
A real time control system capable of accurately supporting the real time characteristics of a multitasking digital signal processor (DSP) which requires an operating system (OS), is provided. In this real time control system, a ready queue and a waiting queue each includes a priority link having information indicating the first task control block and the last task control block among task control blocks of the same priority in a multitasking environment, and a queue link having information indicating the first task control block and the last task control block among tasks for a DSP according to the purpose of use. Timer control blocks are managed using a timer wheel having a pointer arrangement structure. A memory is divided into an internal memory and an external memory, and thus the internal and external memories are managed respectively at userimg id="CUSTOM-CHARACTER-00001" he="3.13mm" wi="3.13mm" file="US06912712-20050628-P00900.TIF" alt="custom character" img-content="character" img-format="tif" ?request. Therefore, the real time characteristics of multitasking DSPs can be accurately supported by eliminating the non-deterministic characteristics as much as possible.

REFERENCES:
patent: 5291614 (1994-03-01), Baker et al.
patent: 5553293 (1996-09-01), Andrews et al.
patent: 5583792 (1996-12-01), Li et al.
patent: 5748468 (1998-05-01), Notenboom et al.

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