USBD_PHDC_Wr

Description

Write PHDC data. This function is blocking.

Files

usbd_phdc.h / usbd_phdc.c

Prototype

void  USBD_PHDC_Wr (CPU_INT08U           class_nbr,
                    void                *p_buf,
                    CPU_INT16U           buf_len,
                    LATENCY_RELY_FLAGS   latency_rely
                    CPU_INT16U           timeout,
                    USBD_ERR            *p_err);

Arguments

class_nbr

PHDC instance number.

p_buf

Pointer to buffer that will supply data.

buf_len

Buffer length in octets.

latency_rely

Latency / reliability of this transfer.

timeout

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_NULL_PTR

USBD_ERR_TX

USBD_ERR_INVALID_CLASS_STATE

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_OS_ERR_TIMEOUT

USBD_OS_ERR_ABORT

USBD_OS_ERR_FAIL

Returned Value

None.

Callers

Application.

Notes / Warnings

USBD_PHDC_Wr() should always be called after USBD_PHDC_PreambleWr() if metadata message preambles are enabled by the host and if the latency of the transfer is not ‘low’.
Application will have to call USBD_PHDC_Wr() ‘nbr_xfers’of times with the same latency / reliability parameter after a call to USBD_PHDC_PreambleWr.