Compaq 99875320-5 manual Serialnum Property, Cmd Num Data Len Prp ID Prp Value 31 32

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Section 4. USB Communications

SERIAL_NUM PROPERTY

Property ID:	0x01
Property Type:	String
Length:	0 – 15 bytes
Get Property:	Yes
Set Property:	Yes
Default Value:	The default value is no string with a length of zero.
Description:	The value is an ASCII string that represents the device’s serial number. This
	string can be 0 – 15 bytes long. The value of this property, if any, will be sent
	to the host when the host requests the USB string descriptor.
	This property is stored in non-volatile memory, so it will persist when the unit
	is power cycled. When this property is changed, the unit must be reset (see
	Command Number 2) or power cycled to have these changes take effect.

Example Set Serial Num property Request (Hex):

Cmd Num	Data Len	Prp ID	Prp Value
01	04	01	31 32 33

Example Set Serial Num property Response (Hex):

Result Code	Data Len	Data
00	00

Example Get Serial Num property Request (Hex):

Cmd Num	Data Len	Prp ID
00	01	01

Example Get Serial Num property Response (Hex):

Result Code	Data Len	Prp Value
00	03	31 32 33

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Contents October Registered to ISO USB HID IntelliheadPage Rev Number Date RevisionsLimitation on Liability Limited WarrantyFCC Warning Statement FCC Compliance Statement Table of Contents Vii USB IntelliHead 3-Track Features Features and SpecificationsAccessories Hardware ConfigurationsReference Documents USB HID IntelliHead Swipe ReaderFeatures and Specifications SpecificationsUSB HID IntelliHead Swipe Reader Windows Plug and Play Setup InstallationPin Number Signal Cable Color USB ConnectionUSB HID IntelliHead Swipe Reader Card Read OperationUSB HID IntelliHead Swipe Reader HID Usages USB CommunicationsUsage ID Usage Name Hex Type Report DescriptorReport Type ValueTrack 1 Decode Status Card DataUSB Communications Value Hex Offset Usage NameTrack 3 Decode Status Track 2 Decode StatusTrack 1 Data Length Track 2 Data LengthTrack Data Card Encode TypeTrack 1 Data Track 2 DataCommand Number CommandsData Length DataResult Code GET and SET Property CommandsValue Property ID Description Hex Softwareid PropertyProperty Type Description Cmd Num Data Len Prp IDCmd Num Data Len Prp ID Prp Value 31 32 Serialnum PropertyResult Code Data Len Result Code Data Len Prp Value 31 32Cmd Num Data Len Prp ID Prp Value Pollinginterval PropertyResult Code Data Len Prp Value Maxpacketsize Property Trackidenable Property Interfacetype Property Decodeenable Property Cmd Num Data Len Resetdevice CommandUSB HID IntelliHead Swipe Reader Demo Program InstallationOperation Source Code Part Number Title Appendix A. DrawingsUSB HID IntelliHead Swipe Reader Appendix A. Drawings USB HID IntelliHead Swipe Reader Appendix A. Drawings USB HID IntelliHead Swipe Reader Appendix A. Drawings USB HID IntelliHead Swipe Reader Appendix A. Drawings USB HID IntelliHead Swipe Reader