USBD_ACM_SerialRx

Description

Receive data on CDC ACM serial emulation subclass.

Files

usbd_acm_serial.h/usbd_acm_serial.c

Prototype

CPU_INT32U  USBD_ACM_SerialRx (CPU_INT08U   subclass_nbr,
                               CPU_INT08U  *p_buf,
                               CPU_INT32U   buf_len,
                               CPU_INT16U   timeout,
                               USBD_ERR    *p_err);

Arguments

subclass_nbr

Pointer to USB device driver structure.

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_INVALID_ARG

USBD_ERR_INVALID_CLASS_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

Numbers of octets received, if NO error(s).

0, otherwise.

Callers

Application.

Notes / Warnings

None.