Li Menglu / nRF51822

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Dependents:   BLE_Acceleration_Statejudging

Fork of nRF51822 by Nordic Semiconductor

nordic/nrf-sdk/ble/ble_services/ble_bps.h@638:6efcf74f000d, 2016-06-09 (annotated)

Committer:
MonroeLee
Date:
Thu Jun 09 05:15:47 2016 +0000
Revision:
638:6efcf74f000d
Parent:
37:c29c330d942c 
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Rohit Grover 37:c29c330d942c 1 /* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
Rohit Grover 37:c29c330d942c 2 *
Rohit Grover 37:c29c330d942c 3 * The information contained herein is property of Nordic Semiconductor ASA.
Rohit Grover 37:c29c330d942c 4 * Terms and conditions of usage are described in detail in NORDIC
Rohit Grover 37:c29c330d942c 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
Rohit Grover 37:c29c330d942c 6 *
Rohit Grover 37:c29c330d942c 7 * Licensees are granted free, non-transferable use of the information. NO
Rohit Grover 37:c29c330d942c 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
Rohit Grover 37:c29c330d942c 9 * the file.
Rohit Grover 37:c29c330d942c 10 */
Rohit Grover 37:c29c330d942c 11
Rohit Grover 37:c29c330d942c 12 /** @file
Rohit Grover 37:c29c330d942c 13 *
Rohit Grover 37:c29c330d942c 14 * @defgroup ble_sdk_srv_bps Blood Pressure Service
Rohit Grover 37:c29c330d942c 15 * @{
Rohit Grover 37:c29c330d942c 16 * @ingroup ble_sdk_srv
Rohit Grover 37:c29c330d942c 17 * @brief Blood Pressure Service module.
Rohit Grover 37:c29c330d942c 18 *
Rohit Grover 37:c29c330d942c 19 * @details This module implements the Blood Pressure Service.
Rohit Grover 37:c29c330d942c 20 *
Rohit Grover 37:c29c330d942c 21 * If an event handler is supplied by the application, the Blood Pressure
Rohit Grover 37:c29c330d942c 22 * Service will generate Blood Pressure Service events to the application.
Rohit Grover 37:c29c330d942c 23 *
Rohit Grover 37:c29c330d942c 24 * @note The application must propagate BLE stack events to the Blood Pressure Service
Rohit Grover 37:c29c330d942c 25 * module by calling ble_bps_on_ble_evt() from the from the @ref ble_stack_handler function.
Rohit Grover 37:c29c330d942c 26 *
Rohit Grover 37:c29c330d942c 27 * @note Attention!
Rohit Grover 37:c29c330d942c 28 * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
Rohit Grover 37:c29c330d942c 29 * qualification listings, this section of source code must not be modified.
Rohit Grover 37:c29c330d942c 30 */
Rohit Grover 37:c29c330d942c 31
Rohit Grover 37:c29c330d942c 32 #ifndef BLE_BPS_H__
Rohit Grover 37:c29c330d942c 33 #define BLE_BPS_H__
Rohit Grover 37:c29c330d942c 34
Rohit Grover 37:c29c330d942c 35 #include <stdint.h>
Rohit Grover 37:c29c330d942c 36 #include <stdbool.h>
Rohit Grover 37:c29c330d942c 37 #include "ble.h"
Rohit Grover 37:c29c330d942c 38 #include "ble_srv_common.h"
Rohit Grover 37:c29c330d942c 39 #include "ble_date_time.h"
Rohit Grover 37:c29c330d942c 40
Rohit Grover 37:c29c330d942c 41 // Blood Pressure Feature bits
Rohit Grover 37:c29c330d942c 42 #define BLE_BPS_FEATURE_BODY_MOVEMENT_BIT (0x01 << 0) /**< Body Movement Detection Support bit. */
Rohit Grover 37:c29c330d942c 43 #define BLE_BPS_FEATURE_CUFF_FIT_BIT (0x01 << 1) /**< Cuff Fit Detection Support bit. */
Rohit Grover 37:c29c330d942c 44 #define BLE_BPS_FEATURE_IRREGULAR_PULSE_BIT (0x01 << 2) /**< Irregular Pulse Detection Support bit. */
Rohit Grover 37:c29c330d942c 45 #define BLE_BPS_FEATURE_PULSE_RATE_RANGE_BIT (0x01 << 3) /**< Pulse Rate Range Detection Support bit. */
Rohit Grover 37:c29c330d942c 46 #define BLE_BPS_FEATURE_MEASUREMENT_POSITION_BIT (0x01 << 4) /**< Measurement Position Detection Support bit. */
Rohit Grover 37:c29c330d942c 47 #define BLE_BPS_FEATURE_MULTIPLE_BOND_BIT (0x01 << 5) /**< Multiple Bond Support bit. */
Rohit Grover 37:c29c330d942c 48
Rohit Grover 37:c29c330d942c 49 /**@brief Blood Pressure Service event type. */
Rohit Grover 37:c29c330d942c 50 typedef enum
Rohit Grover 37:c29c330d942c 51 {
Rohit Grover 37:c29c330d942c 52 BLE_BPS_EVT_INDICATION_ENABLED, /**< Blood Pressure value indication enabled event. */
Rohit Grover 37:c29c330d942c 53 BLE_BPS_EVT_INDICATION_DISABLED, /**< Blood Pressure value indication disabled event. */
Rohit Grover 37:c29c330d942c 54 BLE_BPS_EVT_INDICATION_CONFIRMED /**< Confirmation of a blood pressure measurement indication has been received. */
Rohit Grover 37:c29c330d942c 55 } ble_bps_evt_type_t;
Rohit Grover 37:c29c330d942c 56
Rohit Grover 37:c29c330d942c 57 /**@brief Blood Pressure Service event. */
Rohit Grover 37:c29c330d942c 58 typedef struct
Rohit Grover 37:c29c330d942c 59 {
Rohit Grover 37:c29c330d942c 60 ble_bps_evt_type_t evt_type; /**< Type of event. */
Rohit Grover 37:c29c330d942c 61 } ble_bps_evt_t;
Rohit Grover 37:c29c330d942c 62
Rohit Grover 37:c29c330d942c 63 // Forward declaration of the ble_bps_t type.
Rohit Grover 37:c29c330d942c 64 typedef struct ble_bps_s ble_bps_t;
Rohit Grover 37:c29c330d942c 65
Rohit Grover 37:c29c330d942c 66 /**@brief Blood Pressure Service event handler type. */
Rohit Grover 37:c29c330d942c 67 typedef void (*ble_bps_evt_handler_t) (ble_bps_t * p_bps, ble_bps_evt_t * p_evt);
Rohit Grover 37:c29c330d942c 68
Rohit Grover 37:c29c330d942c 69 /**@brief SFLOAT format (IEEE-11073 16-bit FLOAT, defined as a 16-bit vlue with 12-bit mantissa and
Rohit Grover 37:c29c330d942c 70 * 4-bit exponent. */
Rohit Grover 37:c29c330d942c 71 typedef struct
Rohit Grover 37:c29c330d942c 72 {
Rohit Grover 37:c29c330d942c 73 int8_t exponent; /**< Base 10 exponent, only 4 bits */
Rohit Grover 37:c29c330d942c 74 int16_t mantissa; /**< Mantissa, only 12 bits */
Rohit Grover 37:c29c330d942c 75 } ieee_float16_t;
Rohit Grover 37:c29c330d942c 76
Rohit Grover 37:c29c330d942c 77 /**@brief Blood Pressure Service init structure. This contains all options and data
Rohit Grover 37:c29c330d942c 78 * needed for initialization of the service. */
Rohit Grover 37:c29c330d942c 79 typedef struct
Rohit Grover 37:c29c330d942c 80 {
Rohit Grover 37:c29c330d942c 81 ble_bps_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Blood Pressure Service. */
Rohit Grover 37:c29c330d942c 82 ble_srv_cccd_security_mode_t bps_meas_attr_md; /**< Initial security level for blood pressure measurement attribute */
Rohit Grover 37:c29c330d942c 83 ble_srv_security_mode_t bps_feature_attr_md; /**< Initial security level for blood pressure feature attribute */
Rohit Grover 37:c29c330d942c 84 uint16_t feature; /**< Initial value for blood pressure feature */
Rohit Grover 37:c29c330d942c 85 } ble_bps_init_t;
Rohit Grover 37:c29c330d942c 86
Rohit Grover 37:c29c330d942c 87 /**@brief Blood Pressure Service structure. This contains various status information for
Rohit Grover 37:c29c330d942c 88 * the service. */
Rohit Grover 37:c29c330d942c 89 typedef struct ble_bps_s
Rohit Grover 37:c29c330d942c 90 {
Rohit Grover 37:c29c330d942c 91 ble_bps_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Blood Pressure Service. */
Rohit Grover 37:c29c330d942c 92 uint16_t service_handle; /**< Handle of Blood Pressure Service (as provided by the BLE stack). */
Rohit Grover 37:c29c330d942c 93 ble_gatts_char_handles_t meas_handles; /**< Handles related to the Blood Pressure Measurement characteristic. */
Rohit Grover 37:c29c330d942c 94 ble_gatts_char_handles_t feature_handles; /**< Handles related to the Blood Pressure Feature characteristic. */
Rohit Grover 37:c29c330d942c 95 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). */
Rohit Grover 37:c29c330d942c 96 uint16_t feature; /**< Value of Blood Pressure feature. */
Rohit Grover 37:c29c330d942c 97 } ble_bps_t;
Rohit Grover 37:c29c330d942c 98
Rohit Grover 37:c29c330d942c 99 /**@brief Blood Pressure Service measurement structure. This contains a Blood Pressure
Rohit Grover 37:c29c330d942c 100 * measurement. */
Rohit Grover 37:c29c330d942c 101 typedef struct ble_bps_meas_s
Rohit Grover 37:c29c330d942c 102 {
Rohit Grover 37:c29c330d942c 103 bool blood_pressure_units_in_kpa; /**< Blood Pressure Units Flag, 0=mmHg, 1=kPa */
Rohit Grover 37:c29c330d942c 104 bool time_stamp_present; /**< Time Stamp Flag, 0=not present, 1=present. */
Rohit Grover 37:c29c330d942c 105 bool pulse_rate_present; /**< Pulse Rate Flag, 0=not present, 1=present. */
Rohit Grover 37:c29c330d942c 106 bool user_id_present; /**< User ID Flag, 0=not present, 1=present. */
Rohit Grover 37:c29c330d942c 107 bool measurement_status_present; /**< Measurement Status Flag, 0=not present, 1=present. */
Rohit Grover 37:c29c330d942c 108 ieee_float16_t blood_pressure_systolic; /**< Blood Pressure Measurement Compound Value - Systolic. */
Rohit Grover 37:c29c330d942c 109 ieee_float16_t blood_pressure_diastolic; /**< Blood Pressure Measurement Compound Value - Diastolic . */
Rohit Grover 37:c29c330d942c 110 ieee_float16_t mean_arterial_pressure; /**< Blood Pressure Measurement Compound Value - Mean Arterial Pressure. */
Rohit Grover 37:c29c330d942c 111 ble_date_time_t time_stamp; /**< Time Stamp. */
Rohit Grover 37:c29c330d942c 112 ieee_float16_t pulse_rate; /**< Pulse Rate. */
Rohit Grover 37:c29c330d942c 113 uint8_t user_id; /**< User ID. */
Rohit Grover 37:c29c330d942c 114 uint16_t measurement_status; /**< Measurement Status. */
Rohit Grover 37:c29c330d942c 115 } ble_bps_meas_t;
Rohit Grover 37:c29c330d942c 116
Rohit Grover 37:c29c330d942c 117 /**@brief Function for initializing the Blood Pressure Service.
Rohit Grover 37:c29c330d942c 118 *
Rohit Grover 37:c29c330d942c 119 * @param[out] p_bps Blood Pressure Service structure. This structure will have to
Rohit Grover 37:c29c330d942c 120 * be supplied by the application. It will be initialized by this function,
Rohit Grover 37:c29c330d942c 121 * and will later be used to identify this particular service instance.
Rohit Grover 37:c29c330d942c 122 * @param[in] p_bps_init Information needed to initialize the service.
Rohit Grover 37:c29c330d942c 123 *
Rohit Grover 37:c29c330d942c 124 * @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
Rohit Grover 37:c29c330d942c 125 */
Rohit Grover 37:c29c330d942c 126 uint32_t ble_bps_init(ble_bps_t * p_bps, const ble_bps_init_t * p_bps_init);
Rohit Grover 37:c29c330d942c 127
Rohit Grover 37:c29c330d942c 128 /**@brief Function for handling the Application's BLE Stack events.
Rohit Grover 37:c29c330d942c 129 *
Rohit Grover 37:c29c330d942c 130 * @details Handles all events from the BLE stack of interest to the Blood Pressure Service.
Rohit Grover 37:c29c330d942c 131 *
Rohit Grover 37:c29c330d942c 132 * @param[in] p_bps Blood Pressure Service structure.
Rohit Grover 37:c29c330d942c 133 * @param[in] p_ble_evt Event received from the BLE stack.
Rohit Grover 37:c29c330d942c 134 */
Rohit Grover 37:c29c330d942c 135 void ble_bps_on_ble_evt(ble_bps_t * p_bps, ble_evt_t * p_ble_evt);
Rohit Grover 37:c29c330d942c 136
Rohit Grover 37:c29c330d942c 137 /**@brief Function for sending blood pressure measurement if indication has been enabled.
Rohit Grover 37:c29c330d942c 138 *
Rohit Grover 37:c29c330d942c 139 * @details The application calls this function after having performed a Blood Pressure
Rohit Grover 37:c29c330d942c 140 * measurement. If indication has been enabled, the measurement data is encoded and
Rohit Grover 37:c29c330d942c 141 * sent to the client.
Rohit Grover 37:c29c330d942c 142 *
Rohit Grover 37:c29c330d942c 143 * @param[in] p_bps Blood Pressure Service structure.
Rohit Grover 37:c29c330d942c 144 * @param[in] p_bps_meas Pointer to new blood pressure measurement.
Rohit Grover 37:c29c330d942c 145 *
Rohit Grover 37:c29c330d942c 146 * @return NRF_SUCCESS on success, otherwise an error code.
Rohit Grover 37:c29c330d942c 147 */
Rohit Grover 37:c29c330d942c 148 uint32_t ble_bps_measurement_send(ble_bps_t * p_bps, ble_bps_meas_t * p_bps_meas);
Rohit Grover 37:c29c330d942c 149
Rohit Grover 37:c29c330d942c 150 /**@brief Function for checking if indication of Blood Pressure Measurement is currently enabled.
Rohit Grover 37:c29c330d942c 151 *
Rohit Grover 37:c29c330d942c 152 * @param[in] p_bps Blood Pressure Service structure.
Rohit Grover 37:c29c330d942c 153 * @param[out] p_indication_enabled TRUE if indication is enabled, FALSE otherwise.
Rohit Grover 37:c29c330d942c 154 *
Rohit Grover 37:c29c330d942c 155 * @return NRF_SUCCESS on success, otherwise an error code.
Rohit Grover 37:c29c330d942c 156 */
Rohit Grover 37:c29c330d942c 157 uint32_t ble_bps_is_indication_enabled(ble_bps_t * p_bps, bool * p_indication_enabled);
Rohit Grover 37:c29c330d942c 158
Rohit Grover 37:c29c330d942c 159 #endif // BLE_BPS_H__
Rohit Grover 37:c29c330d942c 160
Rohit Grover 37:c29c330d942c 161 /** @} */