Teledyne-lecroy PETrainer Scripting Language Reference Manual Bedienungsanleitung PDF herunterladen (Seite 44)

Teledyne LeCroy PETrainer Scripting Language

6.4 Config = TLP

This command facilitates data integrity control.

Parameter

Values

Default

Comment

AutoSeqNumber

Yes, No

Yes

If set to 0, overrides automatic

generation of the TLP sequence

number and uses the user-defined

value as set in the Packet = TLP

command (see Page 3).

AutoLCRC

Yes, No

Yes

If set to 0, overrides automatic

generation of the TLP LCRC and uses

the user-defined value as set in the

Packet = TLP command (see Page 3).

ReplayTimer

In ns (rounded to nearest 8), Off

4200

Timeout in the TLP transmitter path that

counts time since the latest Ack or Nak

DLLP was received.

If set, automatically retransmits TLP

packets that were Nak’ed or on replay

timer expiration.

AutoRetrain

Yes, No

Yes

If set, enables automatic retraining of

the link in case the number of

retransmitted TLPs is 4.

Applicable only when the ReplayTimer

is not turned off.

TagGeneration

Manual,

Default,

Extended,

Phantom1,

Phantom2,

Phantom3

Manual

Tag generation policy for posted TLP

packets:

Manual: Tags are taken from the script.

Default: Use lower 5-bits of Tag field.

Zero out higher 3 bits.

Extended: Use 8-bits of Tag field.

Phantom1: Use 1 most significant bit of

the Function field and 8-bits of Tag.

Phantom2: Use 2 most significant bits

of the Function field and 8-bits of Tag.

Phantom3: Use 3 bits of Function field

and 8-bits of Tag.

Example:

This example shows how to turn off automatic PSN and LCRC generation for outgoing TLP packets.

The ReplayTimer, AutoRetrain, and TagGeneration parameters are omitted so the default values are

used.

Config = TLP {

AutoSeqNumber = No

AutoLCRC = No

}

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