USB设备类型代码以及详细说明
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转自:http://blog.csdn.net/flandy1982/article/details/5260250
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以下是USB所有支持的设备类型代码.
地址:http://www.usb.org/developers/defined_class
USB Class Codes
November 17, 2009
USB defines class code information that is used to identify a device’s functionality and to nominally load a device driver based on that functionality. The information is contained in three bytes with the names Base Class, SubClass, and Protocol. (Note that ‘Base Class’ is used in this description to identify the first byte of the Class Code triple. That terminology is not used in the USB Specification). There are two places on a device where class code information can be placed.One place is in the Device Descriptor, and the other is in Interface Descriptors. Some defined class codes are allowed to be used only in a Device Descriptor, others can be used in both Device and Interface Descriptors, and some can only be used in Interface Descriptors. The table below shows the currently defined set of Base Class values, what the generic usage is, and where that Base Class can be used (either Device or Interface Descriptors or both).
Base Class
Descriptor Usage
Description
00h
Device
Use class information in the Interface Descriptors
01h
Interface
Audio
02h
Both
Communications and CDC Control
03h
Interface
HID (Human Interface Device)
05h
Interface
Physical
06h
Interface
Image
07h
Interface
Printer
08h
Interface
Mass Storage
09h
Device
Hub
0Ah
Interface
CDC-Data
0Bh
Interface
Smart Card
0Dh
Interface
Content Security
0Eh
Interface
Video
0Fh
Interface
Personal Healthcare
DCh
Both
Diagnostic Device
E0h
Interface
Wireless Controller
EFh
Both
Miscellaneous
FEh
Interface
Application Specific
FFh
Both
Vendor Specific
Base Class 00h (Device)
This base class is defined to be used in Device Descriptors to indicate that class information should be determined from the Interface Descriptors in the device. There is one class code definition in this base class. All other values are reserved.
This value is also used in Interface Descriptors to indicate a null class code triple.
Base Class
SubClass
Protocol
Meaning
00h
00h
00h
Use class code info from Interface Descriptors
Base Class 01h (Audio)
This base class is defined for Audio capable devices that conform to the Audio Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes may only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
01h
xxh
xxh
Audio device
Base Class 02h (Communications and CDC Control)
This base class is defined for devices that conform to the Communications Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. Note that the Communication Device Class spec requires some class code values (triples) to be used in Device Descriptors and some to be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
02h
xxh
xxh
Communication device class
Base Class 03h (HID – Human Interface Device)
This base class is defined for devices that conform to the HID Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
03h
xxh
xxh
HID device class
Base Class 05h (Physical)
This base class is defined for devices that conform to the Physical Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
05h
xxh
xxh
Physical device class
Base Class 06h (Still Imaging)
This base class is defined for devices that conform to the Imaging Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved.
Base Class
SubClass
Protocol
Meaning
06h
01h
01h
Still Imaging device
Base Class 07h (Printer)
This base class is defined for devices that conform to the Printer Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
07h
xxh
xxh
Printer device
Base Class 08h (Mass Storage)
This base class is defined for devices that conform to the Mass Storage Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
08h
xxh
xxh
Mass Storage device
Base Class 09h (Hub)
This base class is defined for devices that are USB hubs and conform to the definition in the USB specification. That specification defines the complete triples as shown below. All other values are reserved. These class codes can only be used in Device Descriptors.
Base Class
SubClass
Protocol
Meaning
09h
00h
00h
Full speed Hub
01h
Hi-speed hub with single TT
02h
Hi-speed hub with multiple TTs
Base Class 0Ah (CDC-Data)
This base class is defined for devices that conform to the Communications Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values.Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
0Ah
xxh
xxh
CDC data device
Base Class 0Bh (Smart Card)
This base class is defined for devices that conform to the Smart Card Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values.Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
0Bh
xxh
xxh
Smart Card device
Base Class 0Dh (Content Security)
This base class is defined for devices that conform to the Content Security Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
0Dh
00h
00h
Content Security device
Base Class 0Eh (Video)
This base class is defined for devices that conform to the Video Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
0Eh
xxh
xxh
Video device
Base Class 0Fh (Personal Healthcare)
This base class is defined for devices that conform to the Personal Healthcare Device Class Specification found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes should only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
0Fh
xxh
xxh
Personal Healthcare device
Base Class DCh (Diagnostic Device)
This base class is defined for devices that diagnostic devices. There is currently only one value defined. All other values are reserved. This class code can be used in Device or Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
DCh
01h
01h
USB2 Compliance Device. Definition for this device can be found at http://www.intel.com/technology/usb/spec.htm
Base Class E0h (Wireless Controller)
This base class is defined for devices that are Wireless controllers. Values not shown in the table below are reserved. These class codes are to be used in Interface Descriptors, with the exception of the Bluetooth class code which can also be used in a Device Descriptor.
Base Class
SubClass
Protocol
Meaning
E0h
01h
01h
Bluetooth Programming Interface. Get specific information from www.bluetooth.com.
02h
UWB Radio Control Interface. Definition for this is found in the Wireless USB Specification in Chapter 8.
03h
Remote NDIS. Information can be found at: http://www.microsoft.com/windowsmobile/mobileoperators/default.mspx
04h
Bluetooth AMP Controller. Get specific information fromwww.bluetooth.com.
2h
01h
Host Wire Adapter Control/Data interface. Definition can be found in the Wireless USB Specification in Chapter 8.
02h
Device Wire Adapter Control/Data interface. Definition can be found in the Wireless USB Specification in Chapter 8.
03h
Device Wire Adapter Isochronous interface. Definition can be found in the Wireless USB Specification in Chapter 8.
Base Class EFh (Miscellaneous)
This base class is defined for miscellaneous device definitions. Values not shown in the table below are reserved. The use of these class codes (Device or Interface descriptor) are specifically annotated in each entry below.
Base Class
SubClass
Protocol
Meaning
EFh
01h
01h
Active Sync device. This class code can be used in either Device or Interface Descriptors. Contact Microsoft for more information on this class.
02h
Palm Sync. This class code can be used in either Device or Interface Descriptors.
02h
01h
Interface Association Descriptor. The usage of this class code triple is defined in the Interface Association Descriptor ECN that is provided onwww.usb.org. This class code may only be used in Device Descriptors.
02h
Wire Adapter Multifunction Peripheral programming interface. Definition can be found in the Wireless USB Specification in Chapter 8. This class code may only be used in Device Descriptors
03h
01h
Cable Based Association Framework. This is defined in the Association Model addendum to the Wireless USB specification. This class code may only be used in Interface Descriptors.
Base Class FEh (Application Specific)
This base class is defined for devices that conform to several class specifications found on the USB-IF website. That specification defines the usable set of SubClass and Protocol values. Values outside of that defined spec are reserved. These class codes can only be used in Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
FEh
01h
01h
Device Firmware Upgrade. Device class definition provided on www.usb.org .
02h
00h
IRDA Bridge device. Device class definition provided on www.usb.org .
03h
00h
USB Test and Measurement Device. Definition provided in the USB Test and Measurement Class spec found onwww.usb.org.
01h
USB Test and Measurement Device conforming to the USBTMC USB488 Subclass Specification found on www.usb.org.
Base Class FFh (Vendor Specific)
This base class is defined for vendors to use as they please. These class codes can be used in both Device and Interface Descriptors.
Base Class
SubClass
Protocol
Meaning
FFh
xxh
xxh
Vendor specific
以下是相关类型的详细说明:
地址:http://www.usb.org/developers/devclass_docs
Approved Class Specification Documents
If you have questions regarding any of these documents please contact the DWG chair (dwg-wg-chair@usb.org) and your questions will be channeled to the appropriate group.
Audio Class
Audio Device Class Spec for Basic Audio Devices and Adopters Agreement (.zip format, size 1.33MB)
Audio Device Document 1.0
Audio Data Formats 1.0
Audio Terminal Types 1.0
USB MIDI Devices 1.0
Audio Devices Rev. 2.0 Spec and Adopters Agreement (.zip format, size 1.28MB)
Battery Charging
Battery Charging v1.1 Spec and Adopters Agreement (.zip format, size 292 KB)
Cable and Connector
Cable and Connector Class 2.0
Series 'A' Plug form factor Guideline 1.0
USB Connector for Mezzanine Applications Guidelines Rev. 1.0
Micro-USB Cables and Connectors v1.01 Spec and Adopters Agreement
Common Class (CCS)
Common Class Base Specification 1.0
Communications Device Class
Class definitions for Communication Devices 1.2 (.zip file format, size 2.61 MB)
the components of CDC 1.1 have been reorganized as five separate documents:
ATM120.pdf -- CDC Subclass for Asynchronous Transfer Mode Devices
CDC120.pdf -- CDC Subclass for Communications Devices
ECM120.pdf -- CDC Subclass for Ethernet Control Model Devices
ISDN120.pdf -- CDC Subclass for ISDN Devices
PSTN120.pdf -- CDC Subclass for PSTN devices
CDC Subclass for Wireless Mobile Communication Devices 1.1
CDC v1.2 WMC v1.1 Adopters Agreement
CDC Subclass Specification for Ethernet Emulation Model Devices 1.0
Network Control Model Devices Specification v1.0 and Adopters Agreement (.zip format, size 492 KB)
Content Security
Device Class Definition for Content Security Devices 1.0
Content Security Method 1 - Basic Authentication Protocol 1.0
Content Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0
Device Firmware Upgrade Group
Device Firmware Upgrade 1.1 (new version 31-Aug-2004)
HID Class
HID Information
Imaging Class
Still Image Capture Device Definition 1.0 and Errata as of 16-Mar-2007 (.zip format, size 200 KB)
IrDA
IrDA Bridge Device Definition 1.0
Mass Storage
Mass Storage Class Specification Overview 1.3
Mass Storage Bulk Only 1.0
Mass Storage Control/Bulk/Interrupt (CBI) Specification 1.1
Mass Storage UFI Command Specification 1.0
Mass Storage Bootability Specification 1.0
Lockable Mass Storage Specification 1.0 and Adopters Agreement (.zip format, size 288 KB)
- Lockable Mass Storage IP Disclosure
Media Transfer Protocol
Media Transfer Protocol v.1.0 Spec and MTP v.1.0 Adopters Agreement (.zip format, size 1.86MB)
Monitor
Monitor Device Document 1.0
OpenUSBDI
OpenUSBDI Specification 1.0
Personal Healthcare
Personal Healthcare Rev. 1.0, Errata for USB Personal Health Care Device Class and Personal Healthcare Adopters Agreement (.zip format, size 386 KB)
Physical Interface Devices
Device Class Definition for PID 1.0
Power
Power Device Class Document 1.0
Printer Class
Printer Device Class Document 1.1
Smart Card Class
Smart Card CCID version 1.1
Smart Card ICCD version 1.0
Test & Measurement Class
Test & Measurement Class Specifications
Video Class
Video Class 1.1 document set
USB_Video_Class_1.1
USB_Video_Identifiers_1.1
USB_Video_Payload_DV_1.1
USB_Video_Payload_Frame_Based_1.1
USB_Video_Payload_MJPEG_1.1
USB_Video_Payload_MPEG-2_TS_1.1
USB_Video_Payload_Uncompressed_1.1
USB_Video_Payload_Stream_Based_1.1
USB_Video_Transport_1.1
USB_Video_Example_1.1
USB_Video_FAQ_1.1
Draft Class Specification Documents
PC Legacy Compatibility Specification 0.9
USB_Video_Compliance_1.09b -- draft for public review
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