/** * Copyright (c) 2013 - 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. * */ #include "sdk_common.h" #if NRF_MODULE_ENABLED(BLE_LBS) #include "ble_lbs.h" #include "ble_srv_common.h" /**@brief Function for handling the Write event. * * @param[in] p_lbs LED Button Service structure. * @param[in] p_ble_evt Event received from the BLE stack. */ static void on_write(ble_lbs_t * p_lbs, 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_lbs->led_char_handles.value_handle) && (p_evt_write->len == 1) && (p_lbs->led_write_handler != NULL)) { p_lbs->led_write_handler(p_ble_evt->evt.gap_evt.conn_handle, p_lbs, p_evt_write->data[0]); } } void ble_lbs_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context) { ble_lbs_t * p_lbs = (ble_lbs_t *)p_context; switch (p_ble_evt->header.evt_id) { case BLE_GATTS_EVT_WRITE: on_write(p_lbs, p_ble_evt); break; default: // No implementation needed. break; } } uint32_t ble_lbs_init(ble_lbs_t * p_lbs, const ble_lbs_init_t * p_lbs_init) { uint32_t err_code; ble_uuid_t ble_uuid; ble_add_char_params_t add_char_params; // Initialize service structure. p_lbs->led_write_handler = p_lbs_init->led_write_handler; // Add service. ble_uuid128_t base_uuid = {LBS_UUID_BASE}; err_code = sd_ble_uuid_vs_add(&base_uuid, &p_lbs->uuid_type); VERIFY_SUCCESS(err_code); ble_uuid.type = p_lbs->uuid_type; ble_uuid.uuid = LBS_UUID_SERVICE; err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_lbs->service_handle); VERIFY_SUCCESS(err_code); // Add Button characteristic. memset(&add_char_params, 0, sizeof(add_char_params)); add_char_params.uuid = LBS_UUID_BUTTON_CHAR; add_char_params.uuid_type = p_lbs->uuid_type; add_char_params.init_len = sizeof(uint8_t); add_char_params.max_len = sizeof(uint8_t); add_char_params.char_props.read = 1; add_char_params.char_props.notify = 1; add_char_params.read_access = SEC_OPEN; add_char_params.cccd_write_access = SEC_OPEN; err_code = characteristic_add(p_lbs->service_handle, &add_char_params, &p_lbs->button_char_handles); if (err_code != NRF_SUCCESS) { return err_code; } // Add LED characteristic. memset(&add_char_params, 0, sizeof(add_char_params)); add_char_params.uuid = LBS_UUID_LED_CHAR; add_char_params.uuid_type = p_lbs->uuid_type; add_char_params.init_len = sizeof(uint8_t); add_char_params.max_len = sizeof(uint8_t); add_char_params.char_props.read = 1; add_char_params.char_props.write = 1; add_char_params.read_access = SEC_OPEN; add_char_params.write_access = SEC_OPEN; return characteristic_add(p_lbs->service_handle, &add_char_params, &p_lbs->led_char_handles); } uint32_t ble_lbs_on_button_change(uint16_t conn_handle, ble_lbs_t * p_lbs, uint8_t button_state) { ble_gatts_hvx_params_t params; uint16_t len = sizeof(button_state); memset(¶ms, 0, sizeof(params)); params.type = BLE_GATT_HVX_NOTIFICATION; params.handle = p_lbs->button_char_handles.value_handle; params.p_data = &button_state; params.p_len = &len; return sd_ble_gatts_hvx(conn_handle, ¶ms); } #endif // NRF_MODULE_ENABLED(BLE_LBS)