Teledyne-lecroy SierraFC Verification Script Engine Reference Manu Manuel d'utilisateur télécharger pdf (Page 42)

Verification Script Engine Reference Manual

17 Common Retrieving functions

This group of functions covers VSE capability to retrieve information from the recorded trace.

17.1 GetTraPayloadLimit ()

Returns the maximum value of the transaction payload in bytes stored in in.Payload input

context member.

Format : GetTraPayloadLimit ()

Example:

If( GetTraPayloadLimit () < SomeValue )

SetTraPayloadLimit( SomeValue ); # ensure that we will get a big enough

# payload.

val = GetNBits( in.Payload, 128, 8 ); # retrieve one byte from frame/sequence payload

# starting from offset 16 bytes

17.2 SetTraPayloadLimit ()

Sets up the maximum value of the transaction payload in bytes stored in in.Payload input

context member.

Format : SetTraPayloadLimit ( tra_payload_limit )

Parameters:

tra_payload_limit - New value of transaction payload limit.

Example:

If( GetTraPayloadLimit () < SomeValue )

SetTraPayloadLimit( SomeValue ); # ensure that we will get a big enough

# payload.

val = GetNBits( in.Payload, 128, 8 ); # retrieve one byte from frame/sequence payload

# starting from offset 16 bytes

17.3 IsFcp()

Verifies that current event is FCP SCSI frame or sequence

Format : IsFcp()

Example:

if( IsFcp() ) DoSomething();

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Teledyne-lecroy SierraFC Verification Script Engine Reference Manu Manuel d'utilisateur Page 42