USBD_IntrRx

Description

Receives data on interrupt OUT endpoint.

Files

usbd_core.h/usbd_ep.c

Prototype

CPU_INT32U  USBD_IntrRx (CPU_INT08U   dev_nbr,
                         CPU_INT08U   ep_addr,
                         void        *p_buf,
                         CPU_INT32U   buf_len,
                         CPU_INT16U   timeout_ms,
                         USBD_ERR    *p_err);

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:
1. All data is received, or
2. An error occurred.
3. Transfer does not complete in the period specified by timeout_ms.