es_stopwatch.h

/**
 * Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
 * 
 * All rights reserved.
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 * 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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 * 
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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 *    software without specific prior written permission.
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 * 4. This software, with or without modification, must only be used with a
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#ifndef ES_SECURITY_TIMING_H__
#define ES_SECURITY_TIMING_H__

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

/**
 * @file
 * @addtogroup eddystone_security
 * @{
 */

typedef uint8_t es_stopwatch_id_t;

/**@brief Function for getting the number of seconds passed since the last invocation.
 * @details If the function returns zero, the 'last time called' state is not updated. If a non-zero value
 *       is returned, the 'last time called' state will point to the last whole second.
 * @return    Number of seconds passed since the last invocation.
 */
uint32_t es_stopwatch_check(es_stopwatch_id_t id);

ret_code_t es_stopwatch_create(es_stopwatch_id_t * p_sw_id, uint32_t ticks_wrap);

/**@brief Function for initializing the security timing module.
 */
void es_stopwatch_init(void);

/**
 * @}
 */

#endif // ES_SECURITY_TIMING_H__