3.3.4.28 USB_HOST_AUDIO_V1_StreamingInterfaceDirectionGet Function

C

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
);

Summary

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

Precondition

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.