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move components to SDK dir
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Shuanglei Tao
203
SDK/12.3.0_d7731ad/components/ble/ble_services/ble_ias/ble_ias.c
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203
SDK/12.3.0_d7731ad/components/ble/ble_services/ble_ias/ble_ias.c
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/**
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* Copyright (c) 2012 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* Attention!
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* To maintain compliance with Nordic Semiconductor ASA<53>s Bluetooth profile
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* qualification listings, this section of source code must not be modified.
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*/
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(BLE_IAS)
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#include "ble_ias.h"
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#include <string.h>
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#include "ble_srv_common.h"
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#define INITIAL_ALERT_LEVEL BLE_CHAR_ALERT_LEVEL_NO_ALERT
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/**@brief Function for handling the Connect event.
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*
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* @param[in] p_ias Immediate Alert Service structure.
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* @param[in] p_ble_evt Event received from the BLE stack.
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*/
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static void on_connect(ble_ias_t * p_ias, ble_evt_t * p_ble_evt)
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{
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p_ias->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
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}
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/**@brief Function for handling the Write event.
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*
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* @param[in] p_ias Immediate Alert Service structure.
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* @param[in] p_ble_evt Event received from the BLE stack.
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*/
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static void on_write(ble_ias_t * p_ias, ble_evt_t * p_ble_evt)
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{
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ble_gatts_evt_write_t * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
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if ((p_evt_write->handle == p_ias->alert_level_handles.value_handle) && (p_evt_write->len == 1))
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{
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// Alert level written, call application event handler
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ble_ias_evt_t evt;
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evt.evt_type = BLE_IAS_EVT_ALERT_LEVEL_UPDATED;
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evt.params.alert_level = p_evt_write->data[0];
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p_ias->evt_handler(p_ias, &evt);
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}
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}
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void ble_ias_on_ble_evt(ble_ias_t * p_ias, ble_evt_t * p_ble_evt)
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{
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switch (p_ble_evt->header.evt_id)
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{
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case BLE_GAP_EVT_CONNECTED:
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on_connect(p_ias, p_ble_evt);
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break;
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case BLE_GATTS_EVT_WRITE:
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on_write(p_ias, p_ble_evt);
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break;
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default:
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// No implementation needed.
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break;
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}
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}
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/**@brief Function for adding Alert Level characteristics.
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*
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* @param[in] p_ias Immediate Alert Service structure.
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* @param[in] p_ias_init Information needed to initialize the service.
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*
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* @return NRF_SUCCESS on success, otherwise an error code.
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*/
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static uint32_t alert_level_char_add(ble_ias_t * p_ias)
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{
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ble_gatts_char_md_t char_md;
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ble_gatts_attr_t attr_char_value;
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ble_uuid_t ble_uuid;
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ble_gatts_attr_md_t attr_md;
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uint8_t initial_alert_level;
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memset(&char_md, 0, sizeof(char_md));
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char_md.char_props.write_wo_resp = 1;
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char_md.p_char_user_desc = NULL;
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char_md.p_char_pf = NULL;
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char_md.p_user_desc_md = NULL;
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char_md.p_cccd_md = NULL;
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char_md.p_sccd_md = NULL;
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BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_ALERT_LEVEL_CHAR);
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memset(&attr_md, 0, sizeof(attr_md));
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BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.read_perm);
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BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.write_perm);
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attr_md.vloc = BLE_GATTS_VLOC_STACK;
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attr_md.rd_auth = 0;
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attr_md.wr_auth = 0;
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attr_md.vlen = 0;
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memset(&attr_char_value, 0, sizeof(attr_char_value));
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initial_alert_level = INITIAL_ALERT_LEVEL;
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attr_char_value.p_uuid = &ble_uuid;
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attr_char_value.p_attr_md = &attr_md;
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attr_char_value.init_len = sizeof (uint8_t);
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attr_char_value.init_offs = 0;
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attr_char_value.max_len = sizeof (uint8_t);
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attr_char_value.p_value = &initial_alert_level;
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return sd_ble_gatts_characteristic_add(p_ias->service_handle,
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&char_md,
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&attr_char_value,
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&p_ias->alert_level_handles);
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}
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uint32_t ble_ias_init(ble_ias_t * p_ias, const ble_ias_init_t * p_ias_init)
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{
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uint32_t err_code;
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ble_uuid_t ble_uuid;
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// Initialize service structure
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if (p_ias_init->evt_handler == NULL)
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{
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return NRF_ERROR_INVALID_PARAM;
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}
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p_ias->evt_handler = p_ias_init->evt_handler;
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// Add service
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BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_IMMEDIATE_ALERT_SERVICE);
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err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
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&ble_uuid,
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&p_ias->service_handle);
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if (err_code != NRF_SUCCESS)
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{
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return err_code;
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}
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// Add alert level characteristic
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return alert_level_char_add(p_ias);
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}
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uint32_t ble_ias_alert_level_get(ble_ias_t * p_ias, uint8_t * p_alert_level)
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{
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ble_gatts_value_t gatts_value;
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// Initialize value struct.
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memset(&gatts_value, 0, sizeof(gatts_value));
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gatts_value.len = sizeof(uint8_t);
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gatts_value.offset = 0;
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gatts_value.p_value = p_alert_level;
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return sd_ble_gatts_value_get(p_ias->conn_handle,
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p_ias->alert_level_handles.value_handle,
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&gatts_value);
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}
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#endif // NRF_MODULE_ENABLED(BLE_IAS)
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150
SDK/12.3.0_d7731ad/components/ble/ble_services/ble_ias/ble_ias.h
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150
SDK/12.3.0_d7731ad/components/ble/ble_services/ble_ias/ble_ias.h
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@@ -0,0 +1,150 @@
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/**
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* Copyright (c) 2012 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
|
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* such product, must reproduce the above copyright notice, this list of
|
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
|
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||||
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/** @file
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*
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* @defgroup ble_ias Immediate Alert Service
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* @{
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* @ingroup ble_sdk_srv
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* @brief Immediate Alert Service module.
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*
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* @details This module implements the Immediate Alert Service with the Alert Level characteristic.
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* During initialization it adds the Immediate Alert Service and Alert Level characteristic
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* to the BLE stack database.
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*
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* The application must supply an event handler for receiving Immediate Alert Service
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* events. Using this handler, the service will notify the application when the
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* Alert Level characteristic value changes.
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*
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* The service also provides a function for letting the application poll the current
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* value of the Alert Level characteristic.
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*
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* @note The application must propagate BLE stack events to the Immediate Alert Service
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* module by calling ble_ias_on_ble_evt() from the @ref softdevice_handler callback.
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*
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* @note Attention!
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* To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
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* qualification listings, this section of source code must not be modified.
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*/
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#ifndef BLE_IAS_H__
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#define BLE_IAS_H__
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#include <stdint.h>
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#include "ble.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**@brief Immediate Alert Service event type. */
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typedef enum
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{
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BLE_IAS_EVT_ALERT_LEVEL_UPDATED /**< Alert Level Updated event. */
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} ble_ias_evt_type_t;
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/**@brief Immediate Alert Service event. */
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typedef struct
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{
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ble_ias_evt_type_t evt_type; /**< Type of event. */
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union
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{
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uint8_t alert_level; /**< New Alert Level value. */
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} params;
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} ble_ias_evt_t;
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// Forward declaration of the ble_ias_t type.
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typedef struct ble_ias_s ble_ias_t;
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/**@brief Immediate Alert Service event handler type. */
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typedef void (*ble_ias_evt_handler_t) (ble_ias_t * p_ias, ble_ias_evt_t * p_evt);
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/**@brief Immediate Alert Service init structure. This contains all options and data needed for
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* initialization of the service. */
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typedef struct
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{
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ble_ias_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Immediate Alert Service. */
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} ble_ias_init_t;
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/**@brief Immediate Alert Service structure. This contains various status information for the
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* service. */
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struct ble_ias_s
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{
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ble_ias_evt_handler_t evt_handler; /**< Event handler to be called for handling events in the Immediate Alert Service. */
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uint16_t service_handle; /**< Handle of Immediate Alert Service (as provided by the BLE stack). */
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ble_gatts_char_handles_t alert_level_handles; /**< Handles related to the Alert Level characteristic. */
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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). */
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};
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/**@brief Function for initializing the Immediate Alert Service.
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*
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* @param[out] p_ias Immediate Alert Service structure. This structure will have to be
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* supplied by the application. It will be initialized by this function,
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* and will later be used to identify this particular service instance.
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* @param[in] p_ias_init Information needed to initialize the service.
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*
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* @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
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*/
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uint32_t ble_ias_init(ble_ias_t * p_ias, const ble_ias_init_t * p_ias_init);
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/**@brief Function for handling the Application's BLE Stack events.
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*
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* @details Handles all events from the BLE stack of interest to the Immediate Alert Service.
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*
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* @param[in] p_ias Immediate Alert Service structure.
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* @param[in] p_ble_evt Event received from the BLE stack.
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*/
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void ble_ias_on_ble_evt(ble_ias_t * p_ias, ble_evt_t * p_ble_evt);
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/**@brief Function for getting current value of the Alert Level characteristic.
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*
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* @param[in] p_ias Immediate Alert Service structure.
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* @param[out] p_alert_level Current Alert Level value.
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*/
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uint32_t ble_ias_alert_level_get(ble_ias_t * p_ias, uint8_t * p_alert_level);
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#ifdef __cplusplus
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}
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#endif
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#endif // BLE_IAS_H__
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/** @} */
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