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Tyco Electronics LD9000 Series User Manual

Page 120

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Section 4. USB Communications

15

Property ID is a one-byte field that contains a value that identifies the property. The following
table lists all the current property ID values:

Value Property

ID

Description

0

SOFTWARE_ID

The device’s software identifier

1

SERIAL_NUM The

device’s

serial

number

2

POLLING_INTERVAL

The interrupt pipe’s polling interval

3

TRACK_ID_ENABLE

Track enable / ID enable

4

TRACK_DATA_SEND_FLAGS

Track data send flags

5

TERMINATION_CHAR

Terminating char / per track or card flag

6

SS_TK2_7BITS

Start sentinel char for track 2 – 7 bit data

7

Reserved for future use

8

SS_TK3_ISO_ABA

Start sentinel char for track 3 – ISO/ABA

9

SS_TK3_AAMVA

Start sentinel char for track 3 - AAMVA

10

SS_TK3_7BITS

Start sentinel char for track 3 – 7 bit data

11

PRE_CARD_CHAR

Pre card char

12 POST_CARD_CHAR

Post

card

char

13 PRE_TK_CHAR

Pre

track

char

14 POST_TK_CHAR

Post

track

char

The Property Value is a multiple-byte field that contains the value of the property. The number
of bytes in this field depends on the type of property and the length of the property. The
following table lists all of the property types and describes them.

Property Type Description
Byte

This is a one-byte value. The valid values depend on the property.

String

This is a multiple byte ASCII string. Its length can be zero to a
maximum length that depends on the property. The value and
length of the string does not include a terminating NUL character.

SOFTWARE_ID PROPERTY

Property ID:

0

Property Type:

String

Length:

Fixed at 11 bytes

Get Property:

Yes

Set Property:

No

Description:

This is an 11 byte read only property that identifies the software part number
and version for the device. The first 8 bytes represent the part number and the
last 3 bytes represent the version. For example this string might be
“21088837A05”. Examples follow:


Example Get SOFTWARE_ID property Request (Hex):

Cmd Num

Data Len

Prp ID

00 01

00

Example Get SOFTWARE_ID property Response (Hex):

Result Code Data Len

Prp Value

00

01

32 31 30 34 32 38 30 32 41 30 35

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