151 lines
5.5 KiB
C
151 lines
5.5 KiB
C
/**
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* Copyright (c) 2013 - 2020, 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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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(BLE_LBS)
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#include "ble_lbs.h"
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#include "ble_srv_common.h"
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/**@brief Function for handling the Write event.
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*
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* @param[in] p_lbs LED Button 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_lbs_t * p_lbs, ble_evt_t const * p_ble_evt)
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{
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ble_gatts_evt_write_t const * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
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if ( (p_evt_write->handle == p_lbs->led_char_handles.value_handle)
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&& (p_evt_write->len == 1)
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&& (p_lbs->led_write_handler != NULL))
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{
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p_lbs->led_write_handler(p_ble_evt->evt.gap_evt.conn_handle, p_lbs, p_evt_write->data[0]);
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}
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}
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void ble_lbs_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context)
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{
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ble_lbs_t * p_lbs = (ble_lbs_t *)p_context;
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switch (p_ble_evt->header.evt_id)
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{
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case BLE_GATTS_EVT_WRITE:
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on_write(p_lbs, 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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uint32_t ble_lbs_init(ble_lbs_t * p_lbs, const ble_lbs_init_t * p_lbs_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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ble_add_char_params_t add_char_params;
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// Initialize service structure.
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p_lbs->led_write_handler = p_lbs_init->led_write_handler;
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// Add service.
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ble_uuid128_t base_uuid = {LBS_UUID_BASE};
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err_code = sd_ble_uuid_vs_add(&base_uuid, &p_lbs->uuid_type);
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VERIFY_SUCCESS(err_code);
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ble_uuid.type = p_lbs->uuid_type;
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ble_uuid.uuid = LBS_UUID_SERVICE;
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err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_lbs->service_handle);
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VERIFY_SUCCESS(err_code);
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// Add Button characteristic.
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memset(&add_char_params, 0, sizeof(add_char_params));
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add_char_params.uuid = LBS_UUID_BUTTON_CHAR;
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add_char_params.uuid_type = p_lbs->uuid_type;
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add_char_params.init_len = sizeof(uint8_t);
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add_char_params.max_len = sizeof(uint8_t);
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add_char_params.char_props.read = 1;
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add_char_params.char_props.notify = 1;
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add_char_params.read_access = SEC_OPEN;
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add_char_params.cccd_write_access = SEC_OPEN;
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err_code = characteristic_add(p_lbs->service_handle,
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&add_char_params,
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&p_lbs->button_char_handles);
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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 LED characteristic.
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memset(&add_char_params, 0, sizeof(add_char_params));
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add_char_params.uuid = LBS_UUID_LED_CHAR;
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add_char_params.uuid_type = p_lbs->uuid_type;
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add_char_params.init_len = sizeof(uint8_t);
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add_char_params.max_len = sizeof(uint8_t);
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add_char_params.char_props.read = 1;
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add_char_params.char_props.write = 1;
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add_char_params.read_access = SEC_OPEN;
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add_char_params.write_access = SEC_OPEN;
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return characteristic_add(p_lbs->service_handle, &add_char_params, &p_lbs->led_char_handles);
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}
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uint32_t ble_lbs_on_button_change(uint16_t conn_handle, ble_lbs_t * p_lbs, uint8_t button_state)
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{
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ble_gatts_hvx_params_t params;
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uint16_t len = sizeof(button_state);
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memset(¶ms, 0, sizeof(params));
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params.type = BLE_GATT_HVX_NOTIFICATION;
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params.handle = p_lbs->button_char_handles.value_handle;
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params.p_data = &button_state;
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params.p_len = &len;
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return sd_ble_gatts_hvx(conn_handle, ¶ms);
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}
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#endif // NRF_MODULE_ENABLED(BLE_LBS)
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