Data Sheet

Teledyne LeCroy Automation API Reference Manual for USBTracer, USB Advisor, and Voyager USB Protocol

Suite

3.7 IUsbTrace7 Interface

The IUsbTrace7 interface is an additional interface for the UsbTrace object. It inherits and extends some

trace-related functionality exposed via the IUsbTrace6 interface.

IID: F3260A83-8F86-4356-81DC-D9B880E1293E

3.7.1 IUsbTrace7::GetPacketEx

HRESULT GetPacketEx ( [in] hyper packet_number, [in, out] VARIANT* packet,

[out, retval] long* number_of_bits )

Retrieves a raw packet in the PACKETFORMAT_BYTES format. It accepts 64 bits packet number. It is

ITrace::GetPacket method extension.

Parameters

packet_number Zero based number of packet to retrieve. It is a 64 bits integer.

packet Raw packet representation

number_of_bits Number of bits in the raw packet representation

Return values

ANALYZERCOMERROR_INVALIDPACKETNUMBER Specified packet number is invalid

Remarks

packet parameter has VT_ARRAY | VT_VARIANT actual automation type. Each elements of this array

has the VT_UI1 automation type.

3.7.2 IUsbTrace7:: GetPacketsCountEx

HRESULT GetPacketsCountEx ( [out, retval] hyper* number_of_packets )

Retrieves the total number of packets in the trace. Number of packets can be a 64 bits integer. It is

ITrace::GetPacketsCount method extension.

Parameters

number_of_packets Total number of packets in the trace

Return values

Remarks