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- /**
- * Copyright (c) 2012 - 2020, 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_IAS)
- #include "ble_ias.h"
- #include <string.h>
- #include "ble_srv_common.h"
- #define NRF_LOG_MODULE_NAME ble_ias
- #if BLE_IAS_CONFIG_LOG_ENABLED
- #define NRF_LOG_LEVEL BLE_IAS_CONFIG_LOG_LEVEL
- #define NRF_LOG_INFO_COLOR BLE_IAS_CONFIG_INFO_COLOR
- #define NRF_LOG_DEBUG_COLOR BLE_IAS_CONFIG_DEBUG_COLOR
- #else // BLE_IAS_CONFIG_LOG_ENABLED
- #define NRF_LOG_LEVEL 0
- #endif // BLE_IAS_CONFIG_LOG_ENABLED
- #include "nrf_log.h"
- NRF_LOG_MODULE_REGISTER();
- #define INITIAL_ALERT_LEVEL BLE_CHAR_ALERT_LEVEL_NO_ALERT
- /**@brief Function for handling the Connect event.
- *
- * @param[in] p_ias Immediate Alert Service structure.
- * @param[in] p_ble_evt Event received from the BLE stack.
- */
- static void on_connect(ble_ias_t * p_ias, ble_evt_t const * p_ble_evt)
- {
- ret_code_t err_code;
- ble_ias_client_context_t * p_client = NULL;
- err_code = blcm_link_ctx_get(p_ias->p_link_ctx_storage,
- p_ble_evt->evt.gap_evt.conn_handle,
- (void *) &p_client);
- if (err_code != NRF_SUCCESS)
- {
- NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.",
- p_ble_evt->evt.gap_evt.conn_handle);
- }
- else
- {
- p_client->alert_level = INITIAL_ALERT_LEVEL;
- }
- }
- /**@brief Function for handling the Write event.
- *
- * @param[in] p_ias Immediate Alert Service structure.
- * @param[in] p_ble_evt Event received from the BLE stack.
- */
- static void on_write(ble_ias_t * p_ias, 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_ias->alert_level_handles.value_handle) && (p_evt_write->len == 1))
- {
- // Alert level written, call application event handler
- ret_code_t err_code;
- ble_ias_evt_t evt;
- ble_ias_client_context_t * p_client;
- err_code = blcm_link_ctx_get(p_ias->p_link_ctx_storage,
- p_ble_evt->evt.gatts_evt.conn_handle,
- (void *) &p_client);
- if (err_code != NRF_SUCCESS)
- {
- NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.",
- p_ble_evt->evt.gatts_evt.conn_handle);
- }
- else
- {
- p_client->alert_level = p_evt_write->data[0];
- }
- evt.evt_type = BLE_IAS_EVT_ALERT_LEVEL_UPDATED;
- evt.conn_handle = p_ble_evt->evt.gatts_evt.conn_handle;
- evt.p_link_ctx = p_client;
- p_ias->evt_handler(p_ias, &evt);
- }
- }
- void ble_ias_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context)
- {
- ble_ias_t * p_ias = (ble_ias_t *)p_context;
- switch (p_ble_evt->header.evt_id)
- {
- case BLE_GAP_EVT_CONNECTED:
- on_connect(p_ias, p_ble_evt);
- break;
- case BLE_GATTS_EVT_WRITE:
- on_write(p_ias, p_ble_evt);
- break;
- default:
- // No implementation needed.
- break;
- }
- }
- uint32_t ble_ias_init(ble_ias_t * p_ias, const ble_ias_init_t * p_ias_init)
- {
- uint32_t err_code;
- uint8_t initial_alert_level;
- ble_uuid_t ble_uuid;
- ble_add_char_params_t add_char_params;
- // Initialize service structure
- if (p_ias_init->evt_handler == NULL)
- {
- return NRF_ERROR_INVALID_PARAM;
- }
- p_ias->evt_handler = p_ias_init->evt_handler;
- // Add service
- BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_IMMEDIATE_ALERT_SERVICE);
- err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
- &ble_uuid,
- &p_ias->service_handle);
- VERIFY_SUCCESS(err_code);
- // Add alert level characteristic
- initial_alert_level = INITIAL_ALERT_LEVEL;
- memset(&add_char_params, 0, sizeof(add_char_params));
- add_char_params.uuid = BLE_UUID_ALERT_LEVEL_CHAR;
- add_char_params.max_len = sizeof (uint8_t);
- add_char_params.init_len = sizeof (uint8_t);
- add_char_params.p_init_value = &initial_alert_level;
- add_char_params.char_props.write_wo_resp = 1;
- add_char_params.write_access = p_ias_init->alert_wr_sec;
- return characteristic_add(p_ias->service_handle,
- &add_char_params,
- &p_ias->alert_level_handles);
- }
- uint32_t ble_ias_alert_level_get(ble_ias_t * p_ias, uint16_t conn_handle, uint8_t * p_alert_level)
- {
- ret_code_t err_code;
- ble_ias_client_context_t * p_client;
- err_code = blcm_link_ctx_get(p_ias->p_link_ctx_storage, conn_handle, (void *) &p_client);
- VERIFY_SUCCESS(err_code);
- *p_alert_level = p_client->alert_level;
- return NRF_SUCCESS;
- }
- #endif // NRF_MODULE_ENABLED(BLE_IAS)
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