/**
 * Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form, except as embedded into a Nordic
 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
 *    conditions and the following disclaimer in the documentation and/or other
 *    materials provided with the distribution.
 * 
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 * 
 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
 * 
 * 5. Any software provided in binary form under this license must not be reverse
 *    engineered, decompiled, modified and/or disassembled.
 * 
 * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */
#ifndef UART_ASYNC_H
#define UART_ASYNC_H
#include <stdint.h>
#include "sdk_errors.h"

typedef enum 
{
    UART_ASYNC_EVT_RX_DATA,
    UART_ASYNC_EVT_TX_DONE,
    UART_ASYNC_EVT_ERROR
} uart_async_evt_type_t;

typedef struct 
{
    uint8_t  * p_data;
    uint16_t   length;
} uart_async_data_t;

typedef struct
{
    uint32_t  rx_pin;
    uint32_t  tx_pin;
    uint32_t  timeout_us;
    uint32_t  baudrate;
} uart_async_config_t;

typedef struct 
{
    uart_async_evt_type_t type;
    union {
        uart_async_data_t rxtx;
    } data;
} uart_async_evt_t;

typedef void (*uart_async_evt_handler)(uart_async_evt_t * p_evt);

ret_code_t uart_async_init(uart_async_config_t const * p_config, uart_async_evt_handler evt_handler);

void uart_async_uninit(void);

void uart_async_enable(uint32_t chunk_size);

ret_code_t uart_async_tx(uint8_t * p_data, uint16_t length);

void uart_async_rx_free(uint8_t * p_data, uint16_t length);
#endif //UART_ASYNC_H
