Teledyne-lecroy STX M6-1 SAS_SATA Protocol Analyzer User Manual Manual de usuario descargar pdf (Pagina 321)

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 Sierra M6‐4 SAS/SATA Protocol Analyzer User Manual 319

InFusion Scenarios

LeCroy Corporation

Sequences

The Global Rules are all you need for simple test scenarios. However, a scenario also can

contain one or two sequences, which can define multiple states and allow branching

between states. With a sequence, you also can do looping, which allows you to repeat a

test state or to execute a test for a specified period of time.

As with Global Rules, the menu‐driven interface guides you in building a sequence. Some

of the prompts are different, however, because you now are encapsulating groups of

events and actions as distinct states. Recall that a state is a combination of events and

actions at a specific point in time. If the event or combined event defined by a state

occurs, the corresponding action or set of actions follows.

Figure 4.13: Global Rules and Sequence Areas of a Scenario

InFusion hardware provides the capacity to have up to two sequences co‐existing in a

scenario in addition to the Global Rules. Recall that both the Global Rules and any

sequences are active at all times. Each is a separate “state machine,” having the behavior

of a particular test state at any point in time. Because the Global Rules has the capacity

for only one state, you can view it as a “degenerative state machine.”

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