text: /**
   * Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
   * 
   * All rights reserved.
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   * are permitted provided that the following conditions are met:
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   * 
   * 4. This software, with or without modification, must only be used with a
   *    Nordic Semiconductor ASA integrated circuit.
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   */
  #ifndef ANT_SEARCH_CONFIG_H__
  #define ANT_SEARCH_CONFIG_H__
  
  /** @file
   *
   * @defgroup ant_search_config ANT search configuration
   * @{
   * @ingroup ant_sdk_utils
   * @brief ANT channel search configuration module.
   */
  
  #include <stdint.h>
  #include "ant_parameters.h"
  #include "sdk_config.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define ANT_SEARCH_SHARING_CYCLES_DISABLE   0x00    ///< Disable search sharing.
  
  #define ANT_LOW_PRIORITY_SEARCH_DISABLE     0x00    ///< Disable low priority search.
  #define ANT_LOW_PRIORITY_TIMEOUT_DISABLE    0xFF    ///< Disable low priority search time-out.
  
  #define ANT_HIGH_PRIORITY_SEARCH_DISABLE    0x00    ///< Disable high priority search.
  #define ANT_HIGH_PRIORITY_TIMEOUT_DISABLE   0xFF    ///< Disable high priority search time-out.
  
  /**@brief Search priority. */
  typedef enum
  {
      ANT_SEARCH_PRIORITY_DEFAULT = 0,                                ///< Default search priority level.
      ANT_SEARCH_PRIORITY_LOWEST  = ANT_SEARCH_PRIORITY_DEFAULT,      ///< Lowest search priority level.
      ANT_SEARCH_PRIORITY_0       = ANT_SEARCH_PRIORITY_LOWEST,
      ANT_SEARCH_PRIORITY_1       = 1,
      ANT_SEARCH_PRIORITY_2       = 2,
      ANT_SEARCH_PRIORITY_3       = 3,
      ANT_SEARCH_PRIORITY_4       = 4,
      ANT_SEARCH_PRIORITY_5       = 5,
      ANT_SEARCH_PRIORITY_6       = 6,
      ANT_SEARCH_PRIORITY_7       = 7,
      ANT_SEARCH_PRIORITY_HIGHEST = ANT_SEARCH_PRIORITY_7,            ///< Highest search priority level.
  } ant_search_priority_t;
  
  /**@brief ANT search waveform. */
  typedef enum
  {
      ANT_WAVEFORM_DEFAULT    = 316,  ///< Standard search waveform value.
      ANT_WAVEFORM_FAST       = 97,   ///< Accelerated search waveform value.
  } ant_waveform_t;
  
  /**@brief ANT search configuration structure. */
  typedef struct
  {
      uint8_t                 channel_number;         ///< Assigned channel number.
      uint8_t                 low_priority_timeout;   ///< Low priority time-out (in 2.5 second increments).
      uint8_t                 high_priority_timeout;  ///< High priority time-out (in 2.5 second increments).
      uint8_t                 search_sharing_cycles;  ///< Number of search cycles to run before alternating searches. Search sharing can be disabled by @ref ANT_SEARCH_SHARING_CYCLES_DISABLE.
      ant_search_priority_t   search_priority;        ///< Search priority.
      ant_waveform_t          waveform;               ///< Search waveform. Do not use custom values.
  } ant_search_config_t;
  
  /**@brief Initializes the default ANT search configuration structure.
   *
   * @param[in]  CHANNEL_NUMBER       Number of the channel.
   */
  #define DEFAULT_ANT_SEARCH_CONFIG(CHANNEL_NUMBER)                   \
  {                                                                   \
      .channel_number         = CHANNEL_NUMBER,                       \
      .low_priority_timeout   = ANT_DEFAULT_LOW_PRIORITY_TIMEOUT,     \
      .high_priority_timeout  = ANT_DEFAULT_HIGH_PRIORITY_TIMEOUT,    \
      .search_sharing_cycles  = ANT_SEARCH_SHARING_CYCLES_DISABLE,    \
      .search_priority        = ANT_SEARCH_PRIORITY_DEFAULT,          \
      .waveform               = ANT_WAVEFORM_DEFAULT,                 \
  }
  
  /**@brief Function for configuring the ANT channel search.
   *
   * @param[in]  p_config        Pointer to the search configuration structure.
   *
   * @retval     NRF_SUCCESS     If the channel was successfully configured. Otherwise, an error code is returned.
   */
  uint32_t ant_search_init(ant_search_config_t const * p_config);
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // ANT_SEARCH_CONFIG_H__
  /** @} */
  