USB_DEVICE_AUDIO_V2_RESULT Enumeration

USB Device Audio v2.0 Function Driver USB Device Audio v2.0 Result enumeration.

This enumeration lists the possible USB Device Audio v2.0 Function Driver operation results.

typedef enum {
  USB_DEVICE_AUDIO_V2_RESULT_OK,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_TRANSFER_QUEUE_FULL,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_INSTANCE_INVALID,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_INSTANCE_NOT_CONFIGURED,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_PARAMETER_INVALID,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_INVALID_INTERFACE_ID,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_INVALID_BUFFER,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_ENDPOINT_HALTED,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR_TERMINATED_BY_HOST,
  USB_DEVICE_AUDIO_V2_RESULT_ERROR
} USB_DEVICE_AUDIO_V2_RESULT;

Members

Members	Description
USB_DEVICE_AUDIO_V2_RESULT_OK	The operation was successful
USB_DEVICE_AUDIO_V2_RESULT_ERROR_TRANSFER_QUEUE_FULL	The transfer queue is full and no new transfers can be scheduled
USB_DEVICE_AUDIO_V2_RESULT_ERROR_INSTANCE_INVALID	The specified instance is not provisioned in the system
USB_DEVICE_AUDIO_V2_RESULT_ERROR_INSTANCE_NOT_CONFIGURED	The specified instance is not configured yet
USB_DEVICE_AUDIO_V2_RESULT_ERROR_PARAMETER_INVALID	The event handler provided is NULL
USB_DEVICE_AUDIO_V2_RESULT_ERROR_INVALID_INTERFACE_ID	Interface number passed to the read or write function is invalid.
USB_DEVICE_AUDIO_V2_RESULT_ERROR_INVALID_BUFFER	A NULL buffer was specified in the read or write function
USB_DEVICE_AUDIO_V2_RESULT_ERROR_ENDPOINT_HALTED	Transfer terminated because host halted the endpoint
USB_DEVICE_AUDIO_V2_RESULT_ERROR_TERMINATED_BY_HOST	Transfer terminated by host because of a stall clear
USB_DEVICE_AUDIO_V2_RESULT_ERROR	General Error

Remarks

None.

USB Libraries Help > USB Device Libraries > USB Audio 2.0 Device Library > Library Interface > b) Data Types and Constants > USB_DEVICE_AUDIO_V2_RESULT Enumeration

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