fsl_lpuart_edma.h

/*
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2022 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef _FSL_LPUART_EDMA_H_
#define _FSL_LPUART_EDMA_H_
 
#include "fsl_lpuart.h"
#include "fsl_edma.h"

 
/*******************************************************************************
 * Definitions
 ******************************************************************************/

#define FSL_LPUART_EDMA_DRIVER_VERSION (MAKE_VERSION(2, 6, 0))
 
/* Forward declaration of the handle typedef. */
typedef struct _lpuart_edma_handle lpuart_edma_handle_t;

typedef void (*lpuart_edma_transfer_callback_t)(LPUART_Type *base,
                                                lpuart_edma_handle_t *handle,
                                                status_t status,
                                                void *userData);

struct _lpuart_edma_handle
{
    lpuart_edma_transfer_callback_t callback; 
    void *userData;                           
    size_t rxDataSizeAll;                     
    size_t txDataSizeAll;                     
 
    edma_handle_t *txEdmaHandle; 
    edma_handle_t *rxEdmaHandle; 
 
    uint8_t nbytes; 
 
    volatile uint8_t txState; 
    volatile uint8_t rxState; 
};
 
/*******************************************************************************
 * API
 ******************************************************************************/
 
#if defined(__cplusplus)
extern "C" {
#endif


void LPUART_TransferCreateHandleEDMA(LPUART_Type *base,
                                     lpuart_edma_handle_t *handle,
                                     lpuart_edma_transfer_callback_t callback,
                                     void *userData,
                                     edma_handle_t *txEdmaHandle,
                                     edma_handle_t *rxEdmaHandle);

status_t LPUART_SendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer);

status_t LPUART_ReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, lpuart_transfer_t *xfer);

void LPUART_TransferAbortSendEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle);

void LPUART_TransferAbortReceiveEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle);

status_t LPUART_TransferGetSendCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count);

status_t LPUART_TransferGetReceiveCountEDMA(LPUART_Type *base, lpuart_edma_handle_t *handle, uint32_t *count);

void LPUART_TransferEdmaHandleIRQ(LPUART_Type *base, void *lpuartEdmaHandle);

 
#if defined(__cplusplus)
}
#endif

 
#endif /* _FSL_LPUART_EDMA_H_ */