238 lines
9.0 KiB
C
238 lines
9.0 KiB
C
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/**
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* Copyright (c) 2012 - 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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/* Attention!
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* To maintain compliance with Nordic Semiconductor ASA'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 "ble_srv_common.h"
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#include <string.h>
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#include "nordic_common.h"
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#include "app_error.h"
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#include "ble.h"
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bool ble_srv_is_notification_enabled(uint8_t const * p_encoded_data)
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{
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uint16_t cccd_value = uint16_decode(p_encoded_data);
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return ((cccd_value & BLE_GATT_HVX_NOTIFICATION) != 0);
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}
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bool ble_srv_is_indication_enabled(uint8_t const * p_encoded_data)
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{
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uint16_t cccd_value = uint16_decode(p_encoded_data);
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return ((cccd_value & BLE_GATT_HVX_INDICATION) != 0);
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}
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uint8_t ble_srv_report_ref_encode(uint8_t * p_encoded_buffer,
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const ble_srv_report_ref_t * p_report_ref)
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{
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uint8_t len = 0;
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p_encoded_buffer[len++] = p_report_ref->report_id;
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p_encoded_buffer[len++] = p_report_ref->report_type;
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APP_ERROR_CHECK_BOOL(len == BLE_SRV_ENCODED_REPORT_REF_LEN);
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return len;
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}
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void ble_srv_ascii_to_utf8(ble_srv_utf8_str_t * p_utf8, char * p_ascii)
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{
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p_utf8->length = (uint16_t)strlen(p_ascii);
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p_utf8->p_str = (uint8_t *)p_ascii;
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}
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/**@brief Function for setting security requirements of a characteristic.
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*
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* @param[in] level required security level.
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* @param[out] p_perm Characteristic security requirements.
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*
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* @return encoded security level and security mode.
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*/
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static inline void set_security_req(security_req_t level, ble_gap_conn_sec_mode_t * p_perm)
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{
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BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(p_perm);
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switch (level)
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{
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case SEC_NO_ACCESS:
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BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(p_perm);
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break;
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case SEC_OPEN:
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(p_perm);
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break;
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case SEC_JUST_WORKS:
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BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(p_perm);
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break;
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case SEC_MITM:
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BLE_GAP_CONN_SEC_MODE_SET_ENC_WITH_MITM(p_perm);
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break;
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case SEC_SIGNED:
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BLE_GAP_CONN_SEC_MODE_SET_SIGNED_NO_MITM(p_perm);
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break;
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case SEC_SIGNED_MITM:
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BLE_GAP_CONN_SEC_MODE_SET_SIGNED_WITH_MITM(p_perm);
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break;
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}
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return;
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}
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uint32_t characteristic_add(uint16_t service_handle,
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ble_add_char_params_t * p_char_props,
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ble_gatts_char_handles_t * p_char_handle)
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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 char_uuid;
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ble_gatts_attr_md_t attr_md;
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ble_gatts_attr_md_t user_descr_attr_md;
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ble_gatts_attr_md_t cccd_md;
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if (p_char_props->uuid_type == 0)
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{
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char_uuid.type = BLE_UUID_TYPE_BLE;
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}
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else
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{
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char_uuid.type = p_char_props->uuid_type;
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}
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char_uuid.uuid = p_char_props->uuid;
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memset(&attr_md, 0, sizeof(ble_gatts_attr_md_t));
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set_security_req(p_char_props->read_access, &attr_md.read_perm);
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set_security_req(p_char_props->write_access, & attr_md.write_perm);
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attr_md.rd_auth = (p_char_props->is_defered_read ? 1 : 0);
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attr_md.wr_auth = (p_char_props->is_defered_write ? 1 : 0);
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attr_md.vlen = (p_char_props->is_var_len ? 1 : 0);
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attr_md.vloc = (p_char_props->is_value_user ? BLE_GATTS_VLOC_USER : BLE_GATTS_VLOC_STACK);
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memset(&char_md, 0, sizeof(ble_gatts_char_md_t));
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if ((p_char_props->char_props.notify == 1)||(p_char_props->char_props.indicate == 1))
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{
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memset(&cccd_md, 0, sizeof(cccd_md));
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set_security_req(p_char_props->cccd_write_access, &cccd_md.write_perm);
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
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cccd_md.vloc = BLE_GATTS_VLOC_STACK;
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char_md.p_cccd_md = &cccd_md;
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}
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char_md.char_props = p_char_props->char_props;
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char_md.char_ext_props = p_char_props->char_ext_props;
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memset(&attr_char_value, 0, sizeof(ble_gatts_attr_t));
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attr_char_value.p_uuid = &char_uuid;
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attr_char_value.p_attr_md = &attr_md;
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attr_char_value.max_len = p_char_props->max_len;
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if (p_char_props->p_init_value != NULL)
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{
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attr_char_value.init_len = p_char_props->init_len;
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attr_char_value.p_value = p_char_props->p_init_value;
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}
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if (p_char_props->p_user_descr != NULL)
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{
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memset(&user_descr_attr_md, 0, sizeof(ble_gatts_attr_md_t));
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char_md.char_user_desc_max_size = p_char_props->p_user_descr->max_size;
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char_md.char_user_desc_size = p_char_props->p_user_descr->size;
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char_md.p_char_user_desc = p_char_props->p_user_descr->p_char_user_desc;
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char_md.p_user_desc_md = &user_descr_attr_md;
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set_security_req(p_char_props->p_user_descr->read_access, &user_descr_attr_md.read_perm);
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set_security_req(p_char_props->p_user_descr->write_access, &user_descr_attr_md.write_perm);
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user_descr_attr_md.rd_auth = (p_char_props->p_user_descr->is_defered_read ? 1 : 0);
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user_descr_attr_md.wr_auth = (p_char_props->p_user_descr->is_defered_write ? 1 : 0);
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user_descr_attr_md.vlen = (p_char_props->p_user_descr->is_var_len ? 1 : 0);
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user_descr_attr_md.vloc = (p_char_props->p_user_descr->is_value_user ? BLE_GATTS_VLOC_USER : BLE_GATTS_VLOC_STACK);
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}
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if (p_char_props->p_presentation_format != NULL)
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{
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char_md.p_char_pf = p_char_props->p_presentation_format;
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}
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return sd_ble_gatts_characteristic_add(service_handle,
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&char_md,
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&attr_char_value,
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p_char_handle);
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}
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uint32_t descriptor_add(uint16_t char_handle,
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ble_add_descr_params_t * p_descr_props,
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uint16_t * p_descr_handle)
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{
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ble_gatts_attr_t descr_params;
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ble_uuid_t desc_uuid;
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ble_gatts_attr_md_t attr_md;
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memset(&descr_params, 0, sizeof(descr_params));
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if (p_descr_props->uuid_type == 0)
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{
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desc_uuid.type = BLE_UUID_TYPE_BLE;
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}
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else
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{
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desc_uuid.type = p_descr_props->uuid_type;
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}
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desc_uuid.uuid = p_descr_props->uuid;
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descr_params.p_uuid = &desc_uuid;
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set_security_req(p_descr_props->read_access, &attr_md.read_perm);
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set_security_req(p_descr_props->write_access,&attr_md.write_perm);
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attr_md.rd_auth = (p_descr_props->is_defered_read ? 1 : 0);
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attr_md.wr_auth = (p_descr_props->is_defered_write ? 1 : 0);
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attr_md.vlen = (p_descr_props->is_var_len ? 1 : 0);
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attr_md.vloc = (p_descr_props->is_value_user ? BLE_GATTS_VLOC_USER : BLE_GATTS_VLOC_STACK);
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descr_params.p_attr_md = &attr_md;
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descr_params.init_len = p_descr_props->init_len;
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descr_params.init_offs = p_descr_props->init_offs;
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descr_params.max_len = p_descr_props->max_len;
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descr_params.p_value = p_descr_props->p_value;
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return sd_ble_gatts_descriptor_add(char_handle, &descr_params, p_descr_handle);
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}
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