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Description

Receives data on isochronous OUT endpoint asynchronously.

Files

usbd_core.h/usbd_core.c

Prototype

Arguments

dev_nbr

Device number.

ep_addr

Endpoint address.

p_buf

Pointer to destination buffer to receive data

buf_len

Number of octets to receive.

async_fnct

Function that will be invoked upon completion of receive operation

p_async_arg

Pointer to argument that will be passed as parameter of async_fnct.

p_err

Pointer to variable that will receive the return error code from this function.

USBD_ERR_NONE
USBD_ERR_DEV_INVALID_NBR
USBD_ERR_DEV_INVALID_STATE
USBD_ERR_EP_INVALID_ADDR
USBD_ERR_EP_INVALID_STATE
USBD_ERR_EP_INVALID_TYPE
USBD_ERR_EP_QUEUING
USBD_ERR_OS_TIMEOUT
USBD_ERR_OS_ABORT
USBD_ERR_OS_FAIL

Returned Value

None.

Callers

Classes.

Notes / Warnings

  1. The callback specified by async_fnct has the following prototype.

Argument(s):

dev_nbr

Device number.

ep_addr

Endpoint address.

p_buf

Pointer to destination buffer to receive data.

buf_len

Buffer length.

xfer_len

Number of byte received.

p_arg

Pointer to function argument.

err

Error status.

USBD_ERR_NONE
USBD_ERR_EP_ABORT
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