Compaq 99875320-5 Softwareid Property, Value Property ID Description Hex, Cmd Num Data Len Prp ID

USB HID IntelliHead Swipe Reader

The result codes for the Get and Set Property commands can be any of the codes list in the generic result code table.

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
(Hex)
00	SOFTWARE_ID	The device’s software identifier
01	SERIAL_NUM	The device’s serial number
02	POLLING_INTERVAL	The interrupt pipe’s polling interval
03	MAX_PACKET_SIZE	The interrupt pipe’s packet size
04	TRACK_ID_ENABLE	Allows tracks to be disabled
10	INTERFACE_TYPE	Type of USB interface
1A	DECODE_ENABLE	Enables decoding for certain formats

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:		0x00
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
		“21042812D01”. 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 31 32 44 30 31

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