USB_HOST_AUDIO_V1_StreamingInterfaceDirectionGet Function

This function returns the direction of the specified streaming interface setting.

USB_HOST_AUDIO_V1_STREAM_DIRECTION USB_HOST_AUDIO_V1_StreamingInterfaceDirectionGet(
    USB_HOST_AUDIO_V1_OBJ audioObj, 
    USB_HOST_AUDIO_V1_STREAMING_INTERFACE_OBJ streamingInterfaceObj, 
    USB_HOST_AUDIO_V1_STREAMING_INTERFACE_SETTING_OBJ interfaceSettingObj
);

Preconditions

The Audio v1.0 Device should have been attached.

Parameters

Parameters	Description
audioObj	Audio Device object
streamingInterfaceObj	Audio streaming interface object
interfaceSettingObj	Audio streaming interface setting object

Returns

USB_HOST_AUDIO_V1_DIRECTION_OUT - Host to Device
USB_HOST_AUDIO_V1_DIRECTION_IN - Device to Host

Remarks

None.

USB Libraries Help > USB Host Libraries > USB Audio v1.0 Host Client Driver Library > Library Interface > b) Audio Stream Access Functions > USB_HOST_AUDIO_V1_StreamingInterfaceDirectionGet Function

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