3.3.4.17 USB_HOST_AUDIO_V1_FeatureUnitIDGet Function

C

uint8_t USB_HOST_AUDIO_V1_FeatureUnitIDGet(
    USB_HOST_AUDIO_V1_OBJ audioObj, 
    USB_HOST_AUDIO_V1_CONTROL_ENTITY_OBJ entityObject
);

Summary

This function returns the ID of the D of the Feature Unit. This function is only applicable to Feature Unit. Prior to calling this function Entity Object should be obtained by calling the USB_HOST_AUDIO_V1_ControlEntityGetFirst, USB_HOST_AUDIO_V1_ControlEntityGetNext, or USB_HOST_AUDIO_V1_EntityObjectGet function.

Parameters

Parameters Description
audioObj USB Host Audio v1.0 device object.
entityObject Audio control entity Object

Returns

The ID of the feature unit.

Remarks

None.