Statistics file

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Statistics file

Part

Item

Data size (bytes)

Description

File header

Signature

4

File signature (0x61756D32)

Length

2

Header size, including a device scription

Description offset

4

Offset to the USB device description in the header

Version

2

File format version

Data type

1

Data type in the file

USB device description

Separator

1

ASCII character with code 0x09

Device name

vary

USB device name

Separator

1

ASCII character with code 0x09

Driver key

vary

USB device driver registry key

Separator

1

ASCII character with code 0x09

HardwareID

vary

USB device hardware ID

Separator

1

ASCII character with code 0x09

Statistics data item

Function

2

USB function

Date

4

Date time stamp. Equal TDateTime data type of Borland Delphi 7

Stamp

8

System time is a count of 1 ms intervals since January 1, 1601.

Transfer size

4

Number of transferred bytes

Decode status

4

Decode status (0 - no errors)

Read from device

1

Data direction flag (0 - from computer to device, 1 - from device to computer)

 

The file will contain "Statistics data item" part for each URB with transferred data. You can read the file and calculate statistics for incoming and outgoing data.