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 * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA
 * 
 * All rights reserved.
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 * 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
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 *    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
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 */
#ifndef __ANT_STATE_INDICATOR_H
#define __ANT_STATE_INDICATOR_H

/** @file
 *
 * @defgroup ant_state_indicator ANT channel state indicator
 * @{
 * @ingroup ant_sdk_utils
 * @brief ANT channel state indicator module.
 *
 * @details This module provides functionality for indicating the ANT channel state.
 */

#include <stdint.h>
#include "sdk_errors.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Function for initializing the ANT channel state indicator.
 *
 * @details This function links the signaling procedure with a specific ANT channel.
 *
 * Before calling this function, you must initiate the @ref lib_bsp to be able to use the LEDs.
 *
 * @param[in] channel       ANT channel number.
 * @param[in] channel_type  ANT channel type (see Assign Channel Parameters in ant_parameters.h: @ref ant_parameters).
 *
 * @retval NRF_SUCCESS  If the module was initialized successfully. Otherwise, a propagated error
 *                      code is returned.
 */
ret_code_t ant_state_indicator_init(uint8_t channel, uint8_t channel_type);

/**
 * @brief Function for indicating the channel opening.
 *
 * @details This function should be called after the opening of the channel.
 *
 * @retval      NRF_SUCCESS               If the state was successfully indicated.
 * @retval      NRF_ERROR_NO_MEM          If the internal timer operations queue was full.
 * @retval      NRF_ERROR_INVALID_STATE   If the application timer module has not been initialized
 *                                        or the internal timer has not been created.
 *
 * @retval NRF_SUCCESS  If the state was indicated successfully. Otherwise, a propagated error
 *                      code is returned.
 */
ret_code_t ant_state_indicator_channel_opened(void);

#ifdef __cplusplus
}
#endif

#endif // ANT_STATE_INDICATOR_H__
/** @} */