State machine with out-of-order processing functionality and method thereof
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United States of America Patent
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Jun 24, 2014
Grant Date -
Jun 23, 2011
app pub date -
Dec 23, 2009
filing date -
Dec 23, 2009
priority date (Note) -
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Abstract
According to one embodiment of the invention, software operating as a state machine may be implemented within a digital device to support out-of-ordering processing of events by the state machine. Upon execution of the software by a processor, the following operations are performed. First, a determination is made if an incoming event is a transition, and if so, if the transition is not a transition associated with the current state of the state machine, but rather, is out-of-order from a predetermined order of transitions supported by the state machine. Upon determining that the transition is out-of-order, a determination is made whether the transition is to a reachable state such as a state prior to the current state of the state machine or to a future state from the current state. If so, the transition is allowed to be undertaken.
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