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USBクラス

USB/CDC

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Communication Device Class

• CDC ACM - ttyACM

ドキュメント

• http://www.usb.org/developers/devclass_docs
• https://www.usb.org/document-library/class-definitions-communication-devices-12

リビジョン

• 1.2 Errata 1	2010/11/03
  1.2	2007/02/09
  1.1	1998/12/18

定義

• bDeviceClass	bInterfaceClass
  0x02	-	Communications and CDC Control
  0x00	0x02	Communication Device Class

クラス

Communications Device Class

Communications Interface Class

• サブクラスコード

  00h	RESERVED
  01h	Direct Line Control Model
  02h	Abstract Control Model	CDC ACM
  03h	Telephone Control Model
  04h	Multi-Channel Control Model
  05h	CAPI Control Model
  06h	Ethernet Networking Control Model
  07h	ATM Networking Control Model
  08h	Wireless Handset Control Model
  09h	Device Management
  0Ah	Mobile Direct Line Model
  0Bh	OBEX
  0Ch	Ethernet Emulation Model
  0Dh	Network Control Model	CDC NCM
  0Dh-7Fh	RESERVED (future use)
  80-FEh	RESERVED (vendor specific)

Data Interface Class

メモ

• CDC Ethernet Emulation Model (EEM)

サブクラス

• USB CDC Subclass Specification for PSTN Devices
• USB CDC Subclass Specification for ISDN Devices
• USB CDC Subclass Specification for Ethernet Devices
• USB CDC Subclass Specifications for Network Control Model Devices (NCM?)
• USB CDC Subclass Specification for ATM Devices
• USB CDC Subclass Specification for Wireless Mobile Communications Devices
• USB CDC Subclass Specification for Ethernet Emulation Devices (EED?)

Linux

• cdc_ether

種類

• CDC ACM
• CDC Ethenet?
• CDC Serial?

関連

• CDC