4.4.2.3.1 RETURN_CODE_enum

enum RETURN_CODE_enum

Describes the different function return reserved codes used by the USB stack.


UNSUPPORTED	Action not supported by the USB Device Stack
UNINITIALIZED	Status unchanged since initialization
SUCCESS	Action successfully executed
ENDPOINT_SIZE_ERROR	Error related to the wMaxPacketSize in the endpoint configuration
ENDPOINT_ADDRESS_ERROR	Error related to the address byte of bEndpointAddress in the endpoint configuration
ENDPOINT_DIRECTION_ERROR	Error related to the direction byte of bEndpointAddress in the endpoint configuration
ENDPOINT_TYPE_ERROR	Error related to the type bitmask of bmAttributes in the endpoint configuration
ENDPOINT_AZLP_ERROR	Error related to the Auto Zero Length Packet (AZLP) setting in the endpoint configuration
ENDPOINT_ALIGN_ERROR	Error related to unaligned OUT transactions when using multipacket
PIPE_BUSY_ERROR	Error triggered by the pipe being busy while attempting a read or write transaction
PIPE_TRANSFER_ERROR	Error triggered by a failed pipe transaction
CONTROL_SIZE_ERROR	Error related to the size of the control endpoint transaction packet
CONTROL_TRANSACTION_STATUS_ERROR	Error triggered by a failed transaction on the control endpoint
CONTROL_SETUP_CALLBACK_ERROR	Error triggered by a failed control setup
CONTROL_SETUP_DIRECTION_ERROR	Error triggerd by a control setup IN request not requesting any data
DESCRIPTOR_POINTER_ERROR	Error triggered by an invalid descriptor pointer
DESCRIPTOR_CONFIGURATIONS_ERROR	Error triggered by an invalid configuration descriptor pointer
DESCRIPTOR_INTERFACE_ERROR	Error triggered by an invalid interface descriptor pointer
DESCRIPTOR_ENDPOINT_ERROR	Error triggered by an invalid endpoint descriptor pointer
DESCRIPTOR_REQUEST_ERROR	Error triggered by a failed attempt at retrieving a descriptor pointer
DESCRIPTOR_SEARCH_ERROR	Error triggered by an incorrect descriptor structure
INTERFACE_SET_ERROR	Error triggered by a failure to set an interface
INTERFACE_GET_ERROR	Error triggered by a failure to retrieve an interface
USB_CONNECTION_ERROR	Error triggered by a failure during setup device request
USB_CLASS_ERROR	Error triggered by an invalid class code