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- /**
- * 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)
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