USB_Audio_FeatureUnit_t Struct Reference
[Common Class Definitions]

#include <Audio.h>

Data Fields

USB_Descriptor_Header_t Header
uint8_t Subtype
uint8_t UnitID
uint8_t SourceID
uint8_t ControlSize
uint8_t ChannelControls [3]
uint8_t FeatureUnitStrIndex

Detailed Description

Type define for an Audio class specific Feature Unit descriptor. This indicates to the host what features are present in the device's audio stream for basic control, such as per-channel volume. See the USB Audio specification for more details.


Field Documentation

Feature masks for the control channel, and each separate audio channel

Size of each element in the ChanelControlls array

Index of a string descriptor describing this descriptor within the device

Regular descriptor header containing the descriptor's type and length

Source ID value of the audio source input into this feature unit

Sub type value used to distinguish between audio class specific descriptors

ID value of this feature unit - must be a unique value within the device


The documentation for this struct was generated from the following file:

Generated on Sun Nov 22 16:00:13 2009 for LUFA (Formerly MyUSB) Library by  doxygen 1.6.1