USB_HOST_AUDIO_V1_DeviceObjHandleGet Function

This function returns the device object handle for this Audio v1.0 Device. This returned handle can be used by the application to perform device-level operations, such as obtaining the string descriptors.

USB_HOST_DEVICE_OBJ_HANDLE USB_HOST_AUDIO_V1_DeviceObjHandleGet(
    USB_HOST_AUDIO_V1_OBJ audioDeviceObj
);

Preconditions

None.

Parameters

Parameters	Description
audioDeviceObj	Audio V1.0 device object handle returned in the USB_HOST_AUDIO_V1_ATTACH_EVENT_HANDLER function.

Returns

Will return a valid device object handle if the device is still connected to the system. Otherwise, the function will return USB_HOST_DEVICE_OBJ_HANDLE_INVALID.

Remarks

None.

USB Libraries Help > USB Host Libraries > USB Audio v1.0 Host Client Driver Library > Library Interface > a) Audio Device Access Functions > USB_HOST_AUDIO_V1_DeviceObjHandleGet Function

MPLAB Harmony USB Stack

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