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Shuanglei Tao
2025-03-03 09:06:26 +08:00
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/**
* Copyright (c) 2012 - 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.
*
*/
/** @file
*
* @defgroup ble_gls Glucose Service
* @{
* @ingroup ble_sdk_srv
* @brief Glucose Service module.
*
* @details This module implements the Glucose Service.
*
* @note The application must propagate BLE stack events to the Glucose Service module by calling
* ble_gls_on_ble_evt() from the @ref softdevice_handler callback.
*
* @note Attention!
* To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#ifndef BLE_GLS_H__
#define BLE_GLS_H__
#include <stdint.h>
#include <stdbool.h>
#include "ble.h"
#include "ble_srv_common.h"
#include "ble_date_time.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Glucose feature */
#define BLE_GLS_FEATURE_LOW_BATT 0x0001 /**< Low Battery Detection During Measurement Supported */
#define BLE_GLS_FEATURE_MALFUNC 0x0002 /**< Sensor Malfunction Detection Supported */
#define BLE_GLS_FEATURE_SAMPLE_SIZE 0x0004 /**< Sensor Sample Size Supported */
#define BLE_GLS_FEATURE_INSERT_ERR 0x0008 /**< Sensor Strip Insertion Error Detection Supported */
#define BLE_GLS_FEATURE_TYPE_ERR 0x0010 /**< Sensor Strip Type Error Detection Supported */
#define BLE_GLS_FEATURE_RES_HIGH_LOW 0x0020 /**< Sensor Result High-Low Detection Supported */
#define BLE_GLS_FEATURE_TEMP_HIGH_LOW 0x0040 /**< Sensor Temperature High-Low Detection Supported */
#define BLE_GLS_FEATURE_READ_INT 0x0080 /**< Sensor Read Interrupt Detection Supported */
#define BLE_GLS_FEATURE_GENERAL_FAULT 0x0100 /**< General Device Fault Supported */
#define BLE_GLS_FEATURE_TIME_FAULT 0x0200 /**< Time Fault Supported */
#define BLE_GLS_FEATURE_MULTI_BOND 0x0400 /**< Multiple Bond Supported */
/**@brief Glucose measurement flags */
#define BLE_GLS_MEAS_FLAG_TIME_OFFSET 0x01 /**< Time Offset Present */
#define BLE_GLS_MEAS_FLAG_CONC_TYPE_LOC 0x02 /**< Glucose Concentration, Type, and Sample Location Present */
#define BLE_GLS_MEAS_FLAG_UNITS_KG_L 0x00 /**< Glucose Concentration Units kg/L */
#define BLE_GLS_MEAS_FLAG_UNITS_MOL_L 0x04 /**< Glucose Concentration Units mol/L */
#define BLE_GLS_MEAS_FLAG_SENSOR_STATUS 0x08 /**< Sensor Status Annunciation Present */
#define BLE_GLS_MEAS_FLAG_CONTEXT_INFO 0x10 /**< Context Information Follows */
/**@brief Glucose measurement type */
#define BLE_GLS_MEAS_TYPE_CAP_BLOOD 1 /**< Capillary whole blood */
#define BLE_GLS_MEAS_TYPE_CAP_PLASMA 2 /**< Capillary plasma */
#define BLE_GLS_MEAS_TYPE_VEN_BLOOD 3 /**< Venous whole blood */
#define BLE_GLS_MEAS_TYPE_VEN_PLASMA 4 /**< Venous plasma */
#define BLE_GLS_MEAS_TYPE_ART_BLOOD 5 /**< Arterial whole blood */
#define BLE_GLS_MEAS_TYPE_ART_PLASMA 6 /**< Arterial plasma */
#define BLE_GLS_MEAS_TYPE_UNDET_BLOOD 7 /**< Undetermined whole blood */
#define BLE_GLS_MEAS_TYPE_UNDET_PLASMA 8 /**< Undetermined plasma */
#define BLE_GLS_MEAS_TYPE_FLUID 9 /**< Interstitial fluid (ISF) */
#define BLE_GLS_MEAS_TYPE_CONTROL 10 /**< Control solution */
/**@brief Glucose measurement location */
#define BLE_GLS_MEAS_LOC_FINGER 1 /**< Finger */
#define BLE_GLS_MEAS_LOC_AST 2 /**< Alternate Site Test (AST) */
#define BLE_GLS_MEAS_LOC_EAR 3 /**< Earlobe */
#define BLE_GLS_MEAS_LOC_CONTROL 4 /**< Control solution */
#define BLE_GLS_MEAS_LOC_NOT_AVAIL 15 /**< Sample Location value not available */
/**@brief Glucose sensor status annunciation */
#define BLE_GLS_MEAS_STATUS_BATT_LOW 0x0001 /**< Device battery low at time of measurement */
#define BLE_GLS_MEAS_STATUS_SENSOR_FAULT 0x0002 /**< Sensor malfunction or faulting at time of measurement */
#define BLE_GLS_MEAS_STATUS_SAMPLE_SIZE 0x0004 /**< Sample size for blood or control solution insufficient at time of measurement */
#define BLE_GLS_MEAS_STATUS_STRIP_INSERT 0x0008 /**< Strip insertion error */
#define BLE_GLS_MEAS_STATUS_STRIP_TYPE 0x0010 /**< Strip type incorrect for device */
#define BLE_GLS_MEAS_STATUS_RESULT_HIGH 0x0020 /**< Sensor result higher than the device can process */
#define BLE_GLS_MEAS_STATUS_RESULT_LOW 0x0040 /**< Sensor result lower than the device can process */
#define BLE_GLS_MEAS_STATUS_TEMP_HIGH 0x0080 /**< Sensor temperature too high for valid test/result at time of measurement */
#define BLE_GLS_MEAS_STATUS_TEMP_LOW 0x0100 /**< Sensor temperature too low for valid test/result at time of measurement */
#define BLE_GLS_MEAS_STATUS_STRIP_PULL 0x0200 /**< Sensor read interrupted because strip was pulled too soon at time of measurement */
#define BLE_GLS_MEAS_STATUS_GENERAL_FAULT 0x0400 /**< General device fault has occurred in the sensor */
#define BLE_GLS_MEAS_STATUS_TIME_FAULT 0x0800 /**< Time fault has occurred in the sensor and time may be inaccurate */
/**@brief Glucose measurement context flags */
#define BLE_GLS_CONTEXT_FLAG_CARB 0x01 /**< Carbohydrate id and carbohydrate present */
#define BLE_GLS_CONTEXT_FLAG_MEAL 0x02 /**< Meal present */
#define BLE_GLS_CONTEXT_FLAG_TESTER 0x04 /**< Tester-health present */
#define BLE_GLS_CONTEXT_FLAG_EXERCISE 0x08 /**< Exercise duration and exercise intensity present */
#define BLE_GLS_CONTEXT_FLAG_MED 0x10 /**< Medication ID and medication present */
#define BLE_GLS_CONTEXT_FLAG_MED_KG 0x00 /**< Medication value units, kilograms */
#define BLE_GLS_CONTEXT_FLAG_MED_L 0x20 /**< Medication value units, liters */
#define BLE_GLS_CONTEXT_FLAG_HBA1C 0x40 /**< Hba1c present */
#define BLE_GLS_CONTEXT_FLAG_EXT 0x80 /**< Extended flags present */
/**@brief Glucose measurement context carbohydrate ID */
#define BLE_GLS_CONTEXT_CARB_BREAKFAST 1 /**< Breakfast */
#define BLE_GLS_CONTEXT_CARB_LUNCH 2 /**< Lunch */
#define BLE_GLS_CONTEXT_CARB_DINNER 3 /**< Dinner */
#define BLE_GLS_CONTEXT_CARB_SNACK 4 /**< Snack */
#define BLE_GLS_CONTEXT_CARB_DRINK 5 /**< Drink */
#define BLE_GLS_CONTEXT_CARB_SUPPER 6 /**< Supper */
#define BLE_GLS_CONTEXT_CARB_BRUNCH 7 /**< Brunch */
/**@brief Glucose measurement context meal */
#define BLE_GLS_CONTEXT_MEAL_PREPRANDIAL 1 /**< Preprandial (before meal) */
#define BLE_GLS_CONTEXT_MEAL_POSTPRANDIAL 2 /**< Postprandial (after meal) */
#define BLE_GLS_CONTEXT_MEAL_FASTING 3 /**< Fasting */
#define BLE_GLS_CONTEXT_MEAL_CASUAL 4 /**< Casual (snacks, drinks, etc.) */
#define BLE_GLS_CONTEXT_MEAL_BEDTIME 5 /**< Bedtime */
/**@brief Glucose measurement context tester */
#define BLE_GLS_CONTEXT_TESTER_SELF 1 /**< Self */
#define BLE_GLS_CONTEXT_TESTER_PRO 2 /**< Health care professional */
#define BLE_GLS_CONTEXT_TESTER_LAB 3 /**< Lab test */
#define BLE_GLS_CONTEXT_TESTER_NOT_AVAIL 15 /**< Tester value not available */
/**@brief Glucose measurement context health */
#define BLE_GLS_CONTEXT_HEALTH_MINOR 1 /**< Minor health issues */
#define BLE_GLS_CONTEXT_HEALTH_MAJOR 2 /**< Major health issues */
#define BLE_GLS_CONTEXT_HEALTH_MENSES 3 /**< During menses */
#define BLE_GLS_CONTEXT_HEALTH_STRESS 4 /**< Under stress */
#define BLE_GLS_CONTEXT_HEALTH_NONE 5 /**< No health issues */
#define BLE_GLS_CONTEXT_HEALTH_NOT_AVAIL 15 /**< Health value not available */
/**@brief Glucose measurement context medication ID */
#define BLE_GLS_CONTEXT_MED_RAPID 1 /**< Rapid acting insulin */
#define BLE_GLS_CONTEXT_MED_SHORT 2 /**< Short acting insulin */
#define BLE_GLS_CONTEXT_MED_INTERMED 3 /**< Intermediate acting insulin */
#define BLE_GLS_CONTEXT_MED_LONG 4 /**< Long acting insulin */
#define BLE_GLS_CONTEXT_MED_PREMIX 5 /**< Pre-mixed insulin */
/**@brief SFLOAT format (IEEE-11073 16-bit FLOAT, meaning 4 bits for exponent (base 10) and 12 bits mantissa) */
typedef struct
{
int8_t exponent; /**< Base 10 exponent, should be using only 4 bits */
int16_t mantissa; /**< Mantissa, should be using only 12 bits */
} sfloat_t;
/**@brief Glucose Service event type. */
typedef enum
{
BLE_GLS_EVT_NOTIFICATION_ENABLED, /**< Glucose value notification enabled event. */
BLE_GLS_EVT_NOTIFICATION_DISABLED /**< Glucose value notification disabled event. */
} ble_gls_evt_type_t;
/**@brief Glucose Service event. */
typedef struct
{
ble_gls_evt_type_t evt_type; /**< Type of event. */
} ble_gls_evt_t;
// Forward declaration of the ble_gls_t type.
typedef struct ble_gls_s ble_gls_t;
/**@brief Glucose Service event handler type. */
typedef void (*ble_gls_evt_handler_t) (ble_gls_t * p_gls, ble_gls_evt_t * p_evt);
/**@brief Glucose Measurement structure. This contains glucose measurement value. */
typedef struct
{
uint8_t flags; /**< Flags */
uint16_t sequence_number; /**< Sequence number */
ble_date_time_t base_time; /**< Time stamp */
int16_t time_offset; /**< Time offset */
sfloat_t glucose_concentration; /**< Glucose concentration */
uint8_t type; /**< Type */
uint8_t sample_location; /**< Sample location */
uint16_t sensor_status_annunciation; /**< Sensor status annunciation */
} ble_gls_meas_t;
/**@brief Glucose measurement context structure */
typedef struct
{
uint8_t flags; /**< Flags */
uint8_t extended_flags; /**< Extended Flags */
uint8_t carbohydrate_id; /**< Carbohydrate ID */
sfloat_t carbohydrate; /**< Carbohydrate */
uint8_t meal; /**< Meal */
uint8_t tester_and_health; /**< Tester and health */
uint16_t exercise_duration; /**< Exercise Duration */
uint8_t exercise_intensity; /**< Exercise Intensity */
uint8_t medication_id; /**< Medication ID */
sfloat_t medication; /**< Medication */
uint16_t hba1c; /**< HbA1c */
} ble_gls_meas_context_t;
/**@brief Glucose measurement record */
typedef struct
{
ble_gls_meas_t meas; /**< Glucose measurement */
ble_gls_meas_context_t context; /**< Glucose measurement context */
} ble_gls_rec_t;
/**@brief Glucose Service init structure. This contains all options and data needed for
* initialization of the service. */
typedef struct
{
ble_gls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Glucose Service. */
ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */
uint16_t feature; /**< Glucose Feature value indicating supported features. */
bool is_context_supported; /**< Determines if optional Glucose Measurement Context is to be supported. */
} ble_gls_init_t;
/**@brief Glucose Service structure. This contains various status information for the service. */
struct ble_gls_s
{
ble_gls_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Glucose Service. */
ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */
uint16_t service_handle; /**< Handle of Glucose Service (as provided by the BLE stack). */
ble_gatts_char_handles_t glm_handles; /**< Handles related to the Glucose Measurement characteristic. */
ble_gatts_char_handles_t glm_context_handles; /**< Handles related to the Glucose Measurement Context characteristic. */
ble_gatts_char_handles_t glf_handles; /**< Handles related to the Glucose Feature characteristic. */
ble_gatts_char_handles_t racp_handles; /**< Handles related to the Record Access Control Point characteristic. */
uint16_t conn_handle; /**< Handle of the current connection (as provided by the BLE stack, is BLE_CONN_HANDLE_INVALID if not in a connection). */
uint16_t feature;
bool is_context_supported;
};
/**@brief Function for initializing the Glucose Service.
*
* @details This call allows the application to initialize the Glucose Service.
*
* @param[out] p_gls Glucose Service structure. This structure will have to be supplied by
* the application. It will be initialized by this function, and will later
* be used to identify this particular service instance.
* @param[in] p_gls_init Information needed to initialize the service.
*
* @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
*/
uint32_t ble_gls_init(ble_gls_t * p_gls, const ble_gls_init_t * p_gls_init);
/**@brief Function for handling the Application's BLE Stack events.
*
* @details Handles all events from the BLE stack of interest to the Glucose Service.
*
* @param[in] p_gls Glucose Service structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
void ble_gls_on_ble_evt(ble_gls_t * p_gls, ble_evt_t * p_ble_evt);
/**@brief Function for reporting a new glucose measurement to the glucose service module.
*
* @details The application calls this function after having performed a new glucose measurement.
* The new measurement is recorded in the RACP database.
*
* @param[in] p_gls Glucose Service structure.
* @param[in] p_rec Pointer to glucose record (measurement plus context).
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
uint32_t ble_gls_glucose_new_meas(ble_gls_t * p_gls, ble_gls_rec_t * p_rec);
#ifdef __cplusplus
}
#endif
#endif // BLE_GLS_H__
/** @} */

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/**
* Copyright (c) 2012 - 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(BLE_GLS)
#include "ble_gls_db.h"
typedef struct
{
bool in_use_flag;
ble_gls_rec_t record;
} database_entry_t;
static database_entry_t m_database[BLE_GLS_DB_MAX_RECORDS];
static uint8_t m_database_crossref[BLE_GLS_DB_MAX_RECORDS];
static uint16_t m_num_records;
uint32_t ble_gls_db_init(void)
{
int i;
for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
{
m_database[i].in_use_flag = false;
m_database_crossref[i] = 0xFF;
}
m_num_records = 0;
return NRF_SUCCESS;
}
uint16_t ble_gls_db_num_records_get(void)
{
return m_num_records;
}
uint32_t ble_gls_db_record_get(uint8_t rec_ndx, ble_gls_rec_t * p_rec)
{
if (rec_ndx >= m_num_records)
{
return NRF_ERROR_INVALID_PARAM;
}
// copy record to the specified memory
*p_rec = m_database[m_database_crossref[rec_ndx]].record;
return NRF_SUCCESS;
}
uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec)
{
int i;
if (m_num_records == BLE_GLS_DB_MAX_RECORDS)
{
return NRF_ERROR_NO_MEM;
}
// find next available database entry
for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
{
if (!m_database[i].in_use_flag)
{
m_database[i].in_use_flag = true;
m_database[i].record = *p_rec;
m_database_crossref[m_num_records] = i;
m_num_records++;
return NRF_SUCCESS;
}
}
return NRF_ERROR_NO_MEM;
}
uint32_t ble_gls_db_record_delete(uint8_t rec_ndx)
{
int i;
if (rec_ndx >= m_num_records)
{
return NRF_ERROR_NOT_FOUND;
}
// free entry
m_database[m_database_crossref[rec_ndx]].in_use_flag = false;
// decrease number of records
m_num_records--;
// remove cross reference index
for (i = rec_ndx; i < m_num_records; i++)
{
m_database_crossref[i] = m_database_crossref[i + 1];
}
return NRF_SUCCESS;
}
#endif // NRF_MODULE_ENABLED(BLE_GLS)

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/**
* Copyright (c) 2012 - 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.
*
*/
/** @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__
/** @} */