Description
Receives data on interrupt OUT endpoint.
Files
usbd_core.h/usbd_ep.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.
timeout_ms
Timeout in milliseconds.
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_DEVINVALID_STATE
USBD_ERR_EP_INVALID_ADDR
USBD_ERR_EP_INVALID_STATE
USBD_ERR_EP_INVALID_TYPE
USBD_ERR_OS_TIMEOUT
USBD_ERR_OS_ABORT
USBD_ERR_OS_FAIL
Returned Value
Number of octets received, If no error(s).
0, otherwise.
Callers
Classes.
Notes / Warnings
- This function blocks until:
- All data is received, or
- An error occurred.
- Transfer does not complete in the period specified by
timeout_ms.