diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.c | 462 | ||||
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.h | 219 |
2 files changed, 681 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.c new file mode 100644 index 0000000..25afa01 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.c @@ -0,0 +1,462 @@ +/** + * Copyright (c) 2012 - 2018, 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. + * + */ +/* Attention! + * To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile + * qualification listings, this section of source code must not be modified. + */ +#include "sdk_common.h" +#if NRF_MODULE_ENABLED(BLE_HTS) +#include "ble_err.h" +#include "ble_hts.h" +#include <string.h> +#include "ble_srv_common.h" + + +#define OPCODE_LENGTH 1 /**< Length of opcode inside Health Thermometer Measurement packet. */ +#define HANDLE_LENGTH 2 /**< Length of handle inside Health Thermometer Measurement packet. */ +#define MAX_HTM_LEN (BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH) /**< Maximum size of a transmitted Health Thermometer Measurement. */ + +// Health Thermometer Measurement flag bits +#define HTS_MEAS_FLAG_TEMP_UNITS_BIT (0x01 << 0) /**< Temperature Units flag. */ +#define HTS_MEAS_FLAG_TIME_STAMP_BIT (0x01 << 1) /**< Time Stamp flag. */ +#define HTS_MEAS_FLAG_TEMP_TYPE_BIT (0x01 << 2) /**< Temperature Type flag. */ + + +/**@brief Function for handling the Connect event. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_connect(ble_hts_t * p_hts, ble_evt_t const * p_ble_evt) +{ + p_hts->conn_handle = p_ble_evt->evt.gatts_evt.conn_handle; +} + + +/**@brief Function for handling the Disconnect event. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_disconnect(ble_hts_t * p_hts, ble_evt_t const * p_ble_evt) +{ + UNUSED_PARAMETER(p_ble_evt); + p_hts->conn_handle = BLE_CONN_HANDLE_INVALID; +} + + +/**@brief Function for handling write events to the Blood Pressure Measurement characteristic. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_evt_write Write event received from the BLE stack. + */ +static void on_cccd_write(ble_hts_t * p_hts, ble_gatts_evt_write_t const * p_evt_write) +{ + if (p_evt_write->len == 2) + { + // CCCD written, update indication state + if (p_hts->evt_handler != NULL) + { + ble_hts_evt_t evt; + + if (ble_srv_is_indication_enabled(p_evt_write->data)) + { + evt.evt_type = BLE_HTS_EVT_INDICATION_ENABLED; + } + else + { + evt.evt_type = BLE_HTS_EVT_INDICATION_DISABLED; + } + + p_hts->evt_handler(p_hts, &evt); + } + } +} + + +/**@brief Function for handling the Write event. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_write(ble_hts_t * p_hts, ble_evt_t const * p_ble_evt) +{ + ble_gatts_evt_write_t const * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write; + + if (p_evt_write->handle == p_hts->meas_handles.cccd_handle) + { + on_cccd_write(p_hts, p_evt_write); + } +} + + +/**@brief Function for handling the HVC event. + * + * @details Handles HVC events from the BLE stack. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_ble_evt Event received from the BLE stack. + */ +static void on_hvc(ble_hts_t * p_hts, ble_evt_t const * p_ble_evt) +{ + ble_gatts_evt_hvc_t const * p_hvc = &p_ble_evt->evt.gatts_evt.params.hvc; + + if (p_hvc->handle == p_hts->meas_handles.value_handle) + { + ble_hts_evt_t evt; + + evt.evt_type = BLE_HTS_EVT_INDICATION_CONFIRMED; + p_hts->evt_handler(p_hts, &evt); + } +} + + +void ble_hts_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context) +{ + ble_hts_t * p_hts = (ble_hts_t *)p_context; + + switch (p_ble_evt->header.evt_id) + { + case BLE_GAP_EVT_CONNECTED: + on_connect(p_hts, p_ble_evt); + break; + + case BLE_GAP_EVT_DISCONNECTED: + on_disconnect(p_hts, p_ble_evt); + break; + + case BLE_GATTS_EVT_WRITE: + on_write(p_hts, p_ble_evt); + break; + + case BLE_GATTS_EVT_HVC: + on_hvc(p_hts, p_ble_evt); + break; + + default: + // No implementation needed. + break; + } +} + + +/**@brief Function for encoding a Health Thermometer Measurement. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_hts_meas Measurement to be encoded. + * @param[out] p_encoded_buffer Buffer where the encoded data will be written. + * + * @return Size of encoded data. + */ +static uint8_t hts_measurement_encode(ble_hts_t * p_hts, + ble_hts_meas_t * p_hts_meas, + uint8_t * p_encoded_buffer) +{ + uint8_t flags = 0; + uint8_t len = 1; + uint32_t encoded_temp; + + // Flags field + if (p_hts_meas->temp_in_fahr_units) + { + flags |= HTS_MEAS_FLAG_TEMP_UNITS_BIT; + } + if (p_hts_meas->time_stamp_present) + { + flags |= HTS_MEAS_FLAG_TIME_STAMP_BIT; + } + + // Temperature Measurement Value field + if (p_hts_meas->temp_in_fahr_units) + { + flags |= HTS_MEAS_FLAG_TEMP_UNITS_BIT; + + encoded_temp = ((p_hts_meas->temp_in_fahr.exponent << 24) & 0xFF000000) | + ((p_hts_meas->temp_in_fahr.mantissa << 0) & 0x00FFFFFF); + } + else + { + encoded_temp = ((p_hts_meas->temp_in_celcius.exponent << 24) & 0xFF000000) | + ((p_hts_meas->temp_in_celcius.mantissa << 0) & 0x00FFFFFF); + } + len += uint32_encode(encoded_temp, &p_encoded_buffer[len]); + + // Time Stamp field + if (p_hts_meas->time_stamp_present) + { + flags |= HTS_MEAS_FLAG_TIME_STAMP_BIT; + len += ble_date_time_encode(&p_hts_meas->time_stamp, &p_encoded_buffer[len]); + } + + // Temperature Type field + if (p_hts_meas->temp_type_present) + { + flags |= HTS_MEAS_FLAG_TEMP_TYPE_BIT; + p_encoded_buffer[len++] = p_hts_meas->temp_type; + } + + // Flags field + p_encoded_buffer[0] = flags; + + return len; +} + + +/**@brief Function for adding Health Thermometer Measurement characteristics. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_hts_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +static uint32_t hts_measurement_char_add(ble_hts_t * p_hts, ble_hts_init_t const * p_hts_init) +{ + ble_gatts_char_md_t char_md; + ble_gatts_attr_md_t cccd_md; + ble_gatts_attr_t attr_char_value; + ble_uuid_t ble_uuid; + ble_gatts_attr_md_t attr_md; + ble_hts_meas_t initial_htm; + uint8_t encoded_htm[MAX_HTM_LEN]; + + memset(&cccd_md, 0, sizeof(cccd_md)); + + BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); + cccd_md.vloc = BLE_GATTS_VLOC_STACK; + cccd_md.write_perm = p_hts_init->hts_meas_attr_md.cccd_write_perm; + + memset(&char_md, 0, sizeof(char_md)); + + char_md.char_props.indicate = 1; + char_md.p_char_user_desc = NULL; + char_md.p_char_pf = NULL; + char_md.p_user_desc_md = NULL; + char_md.p_cccd_md = &cccd_md; + char_md.p_sccd_md = NULL; + + BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_TEMPERATURE_MEASUREMENT_CHAR); + + memset(&attr_md, 0, sizeof(attr_md)); + + attr_md.vloc = BLE_GATTS_VLOC_STACK; + attr_md.read_perm = p_hts_init->hts_meas_attr_md.read_perm; + attr_md.write_perm = p_hts_init->hts_meas_attr_md.write_perm; + attr_md.rd_auth = 0; + attr_md.wr_auth = 0; + attr_md.vlen = 1; + + memset(&attr_char_value, 0, sizeof(attr_char_value)); + memset(&initial_htm, 0, sizeof(initial_htm)); + + attr_char_value.p_uuid = &ble_uuid; + attr_char_value.p_attr_md = &attr_md; + attr_char_value.init_len = hts_measurement_encode(p_hts, &initial_htm, encoded_htm); + attr_char_value.init_offs = 0; + attr_char_value.max_len = MAX_HTM_LEN; + attr_char_value.p_value = encoded_htm; + + return sd_ble_gatts_characteristic_add(p_hts->service_handle, + &char_md, + &attr_char_value, + &p_hts->meas_handles); +} + + +/**@brief Function for adding Temperature Type characteristics. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_hts_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +static uint32_t hts_temp_type_char_add(ble_hts_t * p_hts, ble_hts_init_t const * p_hts_init) +{ + ble_gatts_char_md_t char_md; + ble_gatts_attr_t attr_char_value; + ble_uuid_t ble_uuid; + ble_gatts_attr_md_t attr_md; + uint8_t init_value_temp_type; + uint8_t init_value_encoded[1]; + + memset(&char_md, 0, sizeof(char_md)); + + char_md.char_props.read = 1; + char_md.p_char_user_desc = NULL; + char_md.p_char_pf = NULL; + char_md.p_user_desc_md = NULL; + char_md.p_cccd_md = NULL; + char_md.p_sccd_md = NULL; + + BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_TEMPERATURE_TYPE_CHAR); + + memset(&attr_md, 0, sizeof(attr_md)); + + attr_md.vloc = BLE_GATTS_VLOC_STACK; + attr_md.read_perm = p_hts_init->hts_temp_type_attr_md.read_perm; + attr_md.write_perm = p_hts_init->hts_temp_type_attr_md.write_perm; + attr_md.rd_auth = 0; + attr_md.wr_auth = 0; + attr_md.vlen = 0; + + memset(&attr_char_value, 0, sizeof(attr_char_value)); + + init_value_temp_type = p_hts_init->temp_type; + init_value_encoded[0] = init_value_temp_type; + + attr_char_value.p_uuid = &ble_uuid; + attr_char_value.p_attr_md = &attr_md; + attr_char_value.init_len = sizeof (uint8_t); + attr_char_value.init_offs = 0; + attr_char_value.max_len = sizeof (uint8_t); + attr_char_value.p_value = init_value_encoded; + + return sd_ble_gatts_characteristic_add(p_hts->service_handle, + &char_md, + &attr_char_value, + &p_hts->temp_type_handles); +} + + +uint32_t ble_hts_init(ble_hts_t * p_hts, ble_hts_init_t const * p_hts_init) +{ + uint32_t err_code; + ble_uuid_t ble_uuid; + + // Initialize service structure + p_hts->evt_handler = p_hts_init->evt_handler; + p_hts->conn_handle = BLE_CONN_HANDLE_INVALID; + p_hts->temp_type = p_hts_init->temp_type; + + // Add service + BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_HEALTH_THERMOMETER_SERVICE); + + err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_hts->service_handle); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + // Add measurement characteristic + err_code = hts_measurement_char_add(p_hts, p_hts_init); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + // Add temperature type characteristic + if (p_hts_init->temp_type_as_characteristic) + { + err_code = hts_temp_type_char_add(p_hts, p_hts_init); + if (err_code != NRF_SUCCESS) + { + return err_code; + } + } + + return NRF_SUCCESS; +} + + +uint32_t ble_hts_measurement_send(ble_hts_t * p_hts, ble_hts_meas_t * p_hts_meas) +{ + uint32_t err_code; + + // Send value if connected + if (p_hts->conn_handle != BLE_CONN_HANDLE_INVALID) + { + uint8_t encoded_hts_meas[MAX_HTM_LEN]; + uint16_t len; + uint16_t hvx_len; + ble_gatts_hvx_params_t hvx_params; + + len = hts_measurement_encode(p_hts, p_hts_meas, encoded_hts_meas); + hvx_len = len; + + memset(&hvx_params, 0, sizeof(hvx_params)); + + hvx_params.handle = p_hts->meas_handles.value_handle; + hvx_params.type = BLE_GATT_HVX_INDICATION; + hvx_params.offset = 0; + hvx_params.p_len = &hvx_len; + hvx_params.p_data = encoded_hts_meas; + + err_code = sd_ble_gatts_hvx(p_hts->conn_handle, &hvx_params); + if ((err_code == NRF_SUCCESS) && (hvx_len != len)) + { + err_code = NRF_ERROR_DATA_SIZE; + } + } + else + { + err_code = NRF_ERROR_INVALID_STATE; + } + + return err_code; +} + + +uint32_t ble_hts_is_indication_enabled(ble_hts_t * p_hts, bool * p_indication_enabled) +{ + uint32_t err_code; + uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN]; + ble_gatts_value_t gatts_value; + + // Initialize value struct. + memset(&gatts_value, 0, sizeof(gatts_value)); + + gatts_value.len = BLE_CCCD_VALUE_LEN; + gatts_value.offset = 0; + gatts_value.p_value = cccd_value_buf; + + err_code = sd_ble_gatts_value_get(p_hts->conn_handle, + p_hts->meas_handles.cccd_handle, + &gatts_value); + if (err_code == NRF_SUCCESS) + { + *p_indication_enabled = ble_srv_is_indication_enabled(cccd_value_buf); + } + if (err_code == BLE_ERROR_GATTS_SYS_ATTR_MISSING) + { + *p_indication_enabled = false; + return NRF_SUCCESS; + } + return err_code; +} +#endif // NRF_MODULE_ENABLED(BLE_HTS) diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.h new file mode 100644 index 0000000..a9f76cd --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/ble_hts/ble_hts.h @@ -0,0 +1,219 @@ +/** + * Copyright (c) 2012 - 2018, 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_hts Health Thermometer Service + * @{ + * @ingroup ble_sdk_srv + * @brief Health Thermometer Service module. + * + * @details This module implements the Health Thermometer Service. + * + * If an event handler is supplied by the application, the Health Thermometer + * Service will generate Health Thermometer Service events to the application. + * + * @note The application must register this module as BLE event observer using the + * NRF_SDH_BLE_OBSERVER macro. Example: + * @code + * ble_hts_t instance; + * NRF_SDH_BLE_OBSERVER(anything, BLE_HTS_BLE_OBSERVER_PRIO, + * ble_hts_on_ble_evt, &instance); + * @endcode + * + * @note Attention! + * To maintain compliance with Nordic Semiconductor ASA Bluetooth profile + * qualification listings, this section of source code must not be modified. + */ + +#ifndef BLE_HTS_H__ +#define BLE_HTS_H__ + +#include <stdint.h> +#include <stdbool.h> +#include "ble.h" +#include "ble_srv_common.h" +#include "ble_date_time.h" +#include "nrf_sdh_ble.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Macro for defining a ble_hts instance. + * + * @param _name Name of the instance. + * @hideinitializer + */ +#define BLE_HTS_DEF(_name) \ +static ble_hts_t _name; \ +NRF_SDH_BLE_OBSERVER(_name ## _obs, \ + BLE_HTS_BLE_OBSERVER_PRIO, \ + ble_hts_on_ble_evt, &_name) + +// Temperature Type measurement locations +#define BLE_HTS_TEMP_TYPE_ARMPIT 1 +#define BLE_HTS_TEMP_TYPE_BODY 2 +#define BLE_HTS_TEMP_TYPE_EAR 3 +#define BLE_HTS_TEMP_TYPE_FINGER 4 +#define BLE_HTS_TEMP_TYPE_GI_TRACT 5 +#define BLE_HTS_TEMP_TYPE_MOUTH 6 +#define BLE_HTS_TEMP_TYPE_RECTUM 7 +#define BLE_HTS_TEMP_TYPE_TOE 8 +#define BLE_HTS_TEMP_TYPE_EAR_DRUM 9 + + +/**@brief Health Thermometer Service event type. */ +typedef enum +{ + BLE_HTS_EVT_INDICATION_ENABLED, /**< Health Thermometer value indication enabled event. */ + BLE_HTS_EVT_INDICATION_DISABLED, /**< Health Thermometer value indication disabled event. */ + BLE_HTS_EVT_INDICATION_CONFIRMED /**< Confirmation of a temperature measurement indication has been received. */ +} ble_hts_evt_type_t; + +/**@brief Health Thermometer Service event. */ +typedef struct +{ + ble_hts_evt_type_t evt_type; /**< Type of event. */ +} ble_hts_evt_t; + +// Forward declaration of the ble_hts_t type. +typedef struct ble_hts_s ble_hts_t; + +/**@brief Health Thermometer Service event handler type. */ +typedef void (*ble_hts_evt_handler_t) (ble_hts_t * p_hts, ble_hts_evt_t * p_evt); + +/**@brief FLOAT format (IEEE-11073 32-bit FLOAT, defined as a 32-bit value with a 24-bit mantissa + * and an 8-bit exponent. */ +typedef struct +{ + int8_t exponent; /**< Base 10 exponent */ + int32_t mantissa; /**< Mantissa, should be using only 24 bits */ +} ieee_float32_t; + +/**@brief Health Thermometer Service init structure. This contains all options and data + * needed for initialization of the service. */ +typedef struct +{ + ble_hts_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Health Thermometer Service. */ + ble_srv_cccd_security_mode_t hts_meas_attr_md; /**< Initial security level for health thermometer measurement attribute */ + ble_srv_security_mode_t hts_temp_type_attr_md; /**< Initial security level for health thermometer tempearture type attribute */ + uint8_t temp_type_as_characteristic; /**< Set non-zero if temp type given as characteristic */ + uint8_t temp_type; /**< Temperature type if temperature characteristic is used */ +} ble_hts_init_t; + +/**@brief Health Thermometer Service structure. This contains various status information for + * the service. */ +struct ble_hts_s +{ + ble_hts_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Health Thermometer Service. */ + uint16_t service_handle; /**< Handle of Health Thermometer Service (as provided by the BLE stack). */ + ble_gatts_char_handles_t meas_handles; /**< Handles related to the Health Thermometer Measurement characteristic. */ + ble_gatts_char_handles_t temp_type_handles; /**< Handles related to the Health Thermometer Temperature Type 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). */ + uint8_t temp_type; /**< Temperature type indicates where the measurement was taken. */ +}; + +/**@brief Health Thermometer Service measurement structure. This contains a Health Thermometer + * measurement. */ +typedef struct ble_hts_meas_s +{ + bool temp_in_fahr_units; /**< True if Temperature is in Fahrenheit units, Celcius otherwise. */ + bool time_stamp_present; /**< True if Time Stamp is present. */ + bool temp_type_present; /**< True if Temperature Type is present. */ + ieee_float32_t temp_in_celcius; /**< Temperature Measurement Value (Celcius). */ + ieee_float32_t temp_in_fahr; /**< Temperature Measurement Value (Fahrenheit). */ + ble_date_time_t time_stamp; /**< Time Stamp. */ + uint8_t temp_type; /**< Temperature Type. */ +} ble_hts_meas_t; + + +/**@brief Function for initializing the Health Thermometer Service. + * + * @param[out] p_hts Health Thermometer 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_hts_init Information needed to initialize the service. + * + * @return NRF_SUCCESS on successful initialization of service, otherwise an error code. + */ +uint32_t ble_hts_init(ble_hts_t * p_hts, const ble_hts_init_t * p_hts_init); + + +/**@brief Function for handling the Application's BLE Stack events. + * + * @details Handles all events from the BLE stack of interest to the Health Thermometer Service. + * + * @param[in] p_ble_evt Event received from the BLE stack. + * @param[in] p_context Health Thermometer Service structure. + */ +void ble_hts_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context); + + +/**@brief Function for sending health thermometer measurement if indication has been enabled. + * + * @details The application calls this function after having performed a Health Thermometer + * measurement. If indication has been enabled, the measurement data is encoded and + * sent to the client. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[in] p_hts_meas Pointer to new health thermometer measurement. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +uint32_t ble_hts_measurement_send(ble_hts_t * p_hts, ble_hts_meas_t * p_hts_meas); + + +/**@brief Function for checking if indication of Temperature Measurement is currently enabled. + * + * @param[in] p_hts Health Thermometer Service structure. + * @param[out] p_indication_enabled TRUE if indication is enabled, FALSE otherwise. + * + * @return NRF_SUCCESS on success, otherwise an error code. + */ +uint32_t ble_hts_is_indication_enabled(ble_hts_t * p_hts, bool * p_indication_enabled); + + +#ifdef __cplusplus +} +#endif + +#endif // BLE_HTS_H__ + +/** @} */ |