text: /**
   * Copyright (c) 2012 - 2017, 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:
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   *    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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   * 
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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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  /** @file
   *
   * @defgroup ble_sdk_srv_gls_db Glucose Database Service
   * @{
   * @ingroup ble_sdk_srv
   * @brief Glucose Service module.
   *
   * @details This module implements at database of stored glucose measurement values.
   *
   * @note Attention!
   *  To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
   *  qualification listings, These APIs must not be modified. However, the corresponding
   *  functions' implementations can be modified.
   */
  
  #ifndef BLE_GLS_DB_H__
  #define BLE_GLS_DB_H__
  
  #include <stdint.h>
  #include "ble_gls.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define BLE_GLS_DB_MAX_RECORDS      20
  
  /**@brief Function for initializing the glucose record database.
   *
   * @details This call initializes the database holding glucose records.
   *
   * @return      NRF_SUCCESS on success.
   */
  uint32_t ble_gls_db_init(void);
  
  /**@brief Function for getting the number of records in the database.
   *
   * @details This call returns the number of records in the database.
   *
   * @return      Number of records in the database.
   */
  uint16_t ble_gls_db_num_records_get(void);
  
  /**@brief Function for getting a record from the database.
   *
   * @details This call returns a specified record from the database.
   *
   * @param[in]   record_num    Index of the record to retrieve.
   * @param[out]  p_rec         Pointer to record structure where retrieved record is copied to.
   *
   * @return      NRF_SUCCESS on success.
   */
  uint32_t ble_gls_db_record_get(uint8_t record_num, ble_gls_rec_t * p_rec);
  
  /**@brief Function for adding a record at the end of the database.
   *
   * @details This call adds a record as the last record in the database.
   *
   * @param[in]   p_rec   Pointer to record to add to database.
   *
   * @return      NRF_SUCCESS on success.
   */
  uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec);
  
  /**@brief Function for deleting a database entry.
   *
   * @details This call deletes an record from the database.
   *
   * @param[in]   record_num   Index of record to delete.
   *
   * @return      NRF_SUCCESS on success.
   */
  uint32_t ble_gls_db_record_delete(uint8_t record_num);
  
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif // BLE_GLS_DB_H__
  
  /** @} */
  