Teledyne-lecroy Verification Script Engine (VSE) Manual Manuale Utente Scaricare il pdf (Pagina 57)

Teledyne LeCroy Verification Script Engine Reference Manual

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9 Packet and Script Decoded Fields Retrieving Functions

This group of functions covers VSE generic capability to extract information about data payload fields decoded

with CATC Script Language (CSL) at Transfer level and all decoded fields at Packet level for USB3 packets.

9.1 GetDecodedPktField()

Extracts information about a USB3 packet field and determines how it is shown in the USB Protocol Suite

trace view or the "View … Fields" dialog.

Format : GetDecodedPktField ( fld_name )

Parameters

fld_name Name of the field supposedly existing in the current packet

Return Values

If the field name is in the current packet, the return value is the text value of the decoded field and how to display

it in the trace view. Otherwise, the return value is the empty string.

Example

if( in.TraceEvent == _USB3_LMP_PKT )

{

# Example of using decoded packet information for LMPs.

# ‘SubType’ field

# String value

str = FormatEx("\tSubType(str) = ‘%s’", GetDecodedPktField("SubType"));

ReportText( str );

}

Remark

The field name should be exactly the same as it is in the trace. The field name is case sensitive.

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Teledyne-lecroy Verification Script Engine (VSE) Manual Manuale Utente Pagina 57