1305 lines
41 KiB
C
1305 lines
41 KiB
C
/**
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* Copyright (c) 2018 - 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(NRF_BLE_SCAN)
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#include "sdk_config.h"
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#include <stdlib.h>
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#include "nrf_ble_scan.h"
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#include <string.h>
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#include "app_error.h"
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#include "nrf_assert.h"
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#include "sdk_macros.h"
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#include "ble_advdata.h"
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#define NRF_LOG_MODULE_NAME ble_scan
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#include "nrf_log.h"
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NRF_LOG_MODULE_REGISTER();
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/**@brief Function for establishing the connection with a device.
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*
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* @details Connection is established if @ref NRF_BLE_SCAN_EVT_FILTER_MATCH
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* or @ref NRF_BLE_SCAN_EVT_WHITELIST_ADV_REPORT occurs and the module was
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* initialized in the automatic connection mode. This function can generate an event
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* to the main application when @ref sd_ble_gap_connect is used inside the function and it returns value
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* that is different than @ref NRF_SUCCESS.
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*
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* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
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* @param[in] p_adv_report Advertising data.
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*/
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static void nrf_ble_scan_connect_with_target(nrf_ble_scan_t const * const p_scan_ctx,
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ble_gap_evt_adv_report_t const * const p_adv_report)
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{
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ret_code_t err_code;
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scan_evt_t scan_evt;
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// For readability.
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ble_gap_addr_t const * p_addr = &p_adv_report->peer_addr;
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ble_gap_scan_params_t const * p_scan_params = &p_scan_ctx->scan_params;
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ble_gap_conn_params_t const * p_conn_params = &p_scan_ctx->conn_params;
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uint8_t con_cfg_tag = p_scan_ctx->conn_cfg_tag;
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// Return if the automatic connection is disabled.
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if (!p_scan_ctx->connect_if_match)
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{
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return;
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}
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// Stop scanning.
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nrf_ble_scan_stop();
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memset(&scan_evt, 0, sizeof(scan_evt));
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// Establish connection.
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err_code = sd_ble_gap_connect(p_addr,
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p_scan_params,
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p_conn_params,
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con_cfg_tag);
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NRF_LOG_DEBUG("Connecting");
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scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_CONNECTING_ERROR;
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scan_evt.params.connecting_err.err_code = err_code;
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NRF_LOG_DEBUG("Connection status: %d", err_code);
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// If an error occurred, send an event to the event handler.
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if ((err_code != NRF_SUCCESS) && (p_scan_ctx->evt_handler != NULL))
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{
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p_scan_ctx->evt_handler(&scan_evt);
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}
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}
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/**@brief Function for decoding the BLE address type.
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*
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* @param[in] p_addr The BLE address.
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*
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* @return Address type, or an error if the address type is incorrect, that is it does not match @ref BLE_GAP_ADDR_TYPES.
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*
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*/
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static uint16_t nrf_ble_scan_address_type_decode(uint8_t const * p_addr)
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{
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uint8_t addr_type = p_addr[0];
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// See Bluetooth Core Specification Vol 6, Part B, section 1.3.
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addr_type = addr_type >> 6;
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addr_type &= 0x03;
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// Check address type.
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switch (addr_type)
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{
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case 0:
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{
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return BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE;
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}
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case 1:
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{
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return BLE_GAP_ADDR_TYPE_PUBLIC;
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}
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case 2:
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{
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return BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE;
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}
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case 3:
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{
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return BLE_GAP_ADDR_TYPE_RANDOM_STATIC;
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}
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default:
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{
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return BLE_ERROR_GAP_INVALID_BLE_ADDR;
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}
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}
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}
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#if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
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#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
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/**@brief Function for searching for the provided address in the advertisement packets.
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*
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* @details Use this function to parse the received advertising data for the provided address.
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*
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*
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* @param[in] p_adv_report Advertising data to parse.
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* @param[in] p_addr Address to search for. The address length must correspond to @ref BLE_GAP_ADDR_LEN.
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*
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* @return True if the provided address was found, false otherwise.
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*/
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static bool find_peer_addr(ble_gap_evt_adv_report_t const * const p_adv_report,
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ble_gap_addr_t const * p_addr)
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{
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if (p_addr->addr_type == p_adv_report->peer_addr.addr_type)
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{
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// Compare addresses.
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if (memcmp(p_addr->addr,
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p_adv_report->peer_addr.addr,
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sizeof(p_adv_report->peer_addr.addr)) == 0)
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{
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return true;
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}
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}
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return false;
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}
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/** @brief Function for comparing the provided address with the addresses of the advertising devices.
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*
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* @param[in] p_adv_report Advertising data to parse.
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* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval True when the address matches with the addresses of the advertising devices. False otherwise.
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*/
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static bool adv_addr_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
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nrf_ble_scan_t const * const p_scan_ctx)
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{
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ble_gap_addr_t const * p_addr = p_scan_ctx->scan_filters.addr_filter.target_addr;
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uint8_t counter = p_scan_ctx->scan_filters.addr_filter.addr_cnt;
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for (uint8_t index = 0; index < counter; index++)
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{
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// Search for address.
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if (find_peer_addr(p_adv_report, &p_addr[index]))
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{
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return true;
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}
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}
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return false;
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}
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/**@brief Function for adding target address to the scanning filter.
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*
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* @param[in] p_addr Target address in the format required by the SoftDevice. If you need to convert the address, use @ref nrf_ble_scan_copy_addr_to_sd_gap_addr. The address length must correspond to @ref BLE_GAP_ADDR_LEN.
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* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
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* @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
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* @retval BLE_ERROR_GAP_INVALID_BLE_ADDR If the BLE address type is invalid.
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*/
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static ret_code_t nrf_ble_scan_addr_filter_add(nrf_ble_scan_t * const p_scan_ctx,
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uint8_t const * p_addr)
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{
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ble_gap_addr_t * p_addr_filter = p_scan_ctx->scan_filters.addr_filter.target_addr;
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uint8_t * p_counter = &p_scan_ctx->scan_filters.addr_filter.addr_cnt;
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uint8_t index;
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uint16_t addr_type;
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uint8_t temp_addr[BLE_GAP_ADDR_LEN];
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// If no memory for filter.
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if (*p_counter >= NRF_BLE_SCAN_ADDRESS_CNT)
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{
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return NRF_ERROR_NO_MEM;
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}
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// Check for duplicated filter.
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for (index = 0; index < NRF_BLE_SCAN_ADDRESS_CNT; index++)
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{
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if (!memcmp(p_addr_filter[index].addr, p_addr, BLE_GAP_ADDR_LEN))
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{
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return NRF_SUCCESS;
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}
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}
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// Inverting the address.
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for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; i++)
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{
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temp_addr[i] = p_addr[(BLE_GAP_ADDR_LEN - 1) - i];
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}
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// Decode address type.
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addr_type = nrf_ble_scan_address_type_decode(temp_addr);
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if (addr_type == BLE_ERROR_GAP_INVALID_BLE_ADDR)
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{
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return BLE_ERROR_GAP_INVALID_BLE_ADDR;
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}
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// Add target address to filter.
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p_addr_filter[*p_counter].addr_type = (uint8_t)addr_type;
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for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; i++)
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{
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p_addr_filter[*p_counter].addr[i] = p_addr[i];
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}
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NRF_LOG_DEBUG("Filter set on address type %i, address 0x",
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p_addr_filter[*p_counter].addr_type);
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for (index = 0; index < BLE_GAP_ADDR_LEN; index++)
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{
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NRF_LOG_DEBUG("%x", p_addr_filter[*p_counter].addr[index]);
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}
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NRF_LOG_DEBUG("\n\r");
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// Increase the address filter counter.
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*p_counter += 1;
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return NRF_SUCCESS;
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}
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#endif // NRF_BLE_SCAN_ADDRESS_CNT
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#if (NRF_BLE_SCAN_NAME_CNT > 0)
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/** @brief Function for comparing the provided name with the advertised name.
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*
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* @param[in] p_adv_report Advertising data to parse.
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* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval True when the names match. False otherwise.
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*/
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static bool adv_name_compare(ble_gap_evt_adv_report_t const * p_adv_report,
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nrf_ble_scan_t const * const p_scan_ctx)
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{
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nrf_ble_scan_name_filter_t const * p_name_filter = &p_scan_ctx->scan_filters.name_filter;
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uint8_t counter =
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p_scan_ctx->scan_filters.name_filter.name_cnt;
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uint8_t index;
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uint16_t data_len;
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data_len = p_adv_report->data.len;
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// Compare the name found with the name filter.
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for (index = 0; index < counter; index++)
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{
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if (ble_advdata_name_find(p_adv_report->data.p_data,
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data_len,
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p_name_filter->target_name[index]))
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{
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return true;
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}
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}
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return false;
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}
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/**@brief Function for adding name of the peripheral to the scanning filter.
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*
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* @param[in] p_name Peripheral name.
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* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
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* @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
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* @retval NRF_ERROR_DATA_SIZE If the name filter length is too long. The maximum filter name length corresponds to @ref NRF_BLE_SCAN_NAME_MAX_LEN.
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* @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
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*/
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static ret_code_t nrf_ble_scan_name_filter_add(nrf_ble_scan_t * const p_scan_ctx,
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char const * p_name)
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{
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uint8_t index;
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uint8_t * counter = &p_scan_ctx->scan_filters.name_filter.name_cnt;
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uint8_t name_len = strlen(p_name);
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// Check the name length.
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if ((name_len == 0) || (name_len > NRF_BLE_SCAN_NAME_MAX_LEN))
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{
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return NRF_ERROR_DATA_SIZE;
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}
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// If no memory for filter.
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if (*counter >= NRF_BLE_SCAN_NAME_CNT)
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{
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return NRF_ERROR_NO_MEM;
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}
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// Check for duplicated filter.
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for (index = 0; index < NRF_BLE_SCAN_NAME_CNT; index++)
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{
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if (!strcmp(p_scan_ctx->scan_filters.name_filter.target_name[index], p_name))
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{
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return NRF_SUCCESS;
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}
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}
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// Add name to filter.
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memcpy(p_scan_ctx->scan_filters.name_filter.target_name[(*counter)++],
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p_name,
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strlen(p_name));
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NRF_LOG_DEBUG("Adding filter on %s name", p_name);
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return NRF_SUCCESS;
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}
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#endif // NRF_BLE_SCAN_NAME_CNT
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#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
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/** @brief Function for comparing the provided short name with the advertised short name.
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*
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* @param[in] p_adv_report Advertising data to parse.
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* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval True when the names match. False otherwise.
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*/
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static bool adv_short_name_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
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nrf_ble_scan_t const * const p_scan_ctx)
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{
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nrf_ble_scan_short_name_filter_t const * p_name_filter =
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&p_scan_ctx->scan_filters.short_name_filter;
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uint8_t counter = p_scan_ctx->scan_filters.short_name_filter.name_cnt;
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uint8_t index;
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uint16_t data_len;
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data_len = p_adv_report->data.len;
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// Compare the name found with the name filters.
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for (index = 0; index < counter; index++)
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{
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if (ble_advdata_short_name_find(p_adv_report->data.p_data,
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data_len,
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p_name_filter->short_name[index].short_target_name,
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p_name_filter->short_name[index].short_name_min_len))
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{
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return true;
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}
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}
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return false;
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}
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/**@brief Function for adding the short name of the peripheral to the scanning filter.
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*
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* @param[in] p_short_name Short name of the peripheral.
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* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
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* @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
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* @retval NRF_ERROR_DATA_SIZE If the name filter length is too long. The maximum filter name length corresponds to @ref NRF_BLE_SCAN_SHORT_NAME_MAX_LEN.
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* @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
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*/
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static ret_code_t nrf_ble_scan_short_name_filter_add(nrf_ble_scan_t * const p_scan_ctx,
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nrf_ble_scan_short_name_t const * p_short_name)
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{
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uint8_t index;
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uint8_t * p_counter =
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&p_scan_ctx->scan_filters.short_name_filter.name_cnt;
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nrf_ble_scan_short_name_filter_t * p_short_name_filter =
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&p_scan_ctx->scan_filters.short_name_filter;
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uint8_t name_len = strlen(p_short_name->p_short_name);
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// Check the name length.
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if ((name_len == 0) || (name_len > NRF_BLE_SCAN_SHORT_NAME_MAX_LEN))
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{
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return NRF_ERROR_DATA_SIZE;
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}
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// If no memory for filter.
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if (*p_counter >= NRF_BLE_SCAN_SHORT_NAME_CNT)
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{
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return NRF_ERROR_NO_MEM;
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}
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// Check for duplicated filter.
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for (index = 0; index < NRF_BLE_SCAN_SHORT_NAME_CNT; index++)
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{
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if (!strcmp(p_short_name_filter->short_name[index].short_target_name,
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p_short_name->p_short_name))
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{
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return NRF_SUCCESS;
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}
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}
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// Add name to the filter.
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p_short_name_filter->short_name[(*p_counter)].short_name_min_len =
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p_short_name->short_name_min_len;
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memcpy(p_short_name_filter->short_name[(*p_counter)++].short_target_name,
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p_short_name->p_short_name,
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strlen(p_short_name->p_short_name));
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NRF_LOG_DEBUG("Adding filter on %s name", p_short_name->p_short_name);
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return NRF_SUCCESS;
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}
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#endif
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#if (NRF_BLE_SCAN_UUID_CNT > 0)
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/**@brief Function for comparing the provided UUID with the UUID in the advertisement packets.
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*
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* @param[in] p_adv_report Advertising data to parse.
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* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
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*
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* @return True if the UUIDs match. False otherwise.
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*/
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static bool adv_uuid_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
|
|
nrf_ble_scan_t const * const p_scan_ctx)
|
|
{
|
|
nrf_ble_scan_uuid_filter_t const * p_uuid_filter = &p_scan_ctx->scan_filters.uuid_filter;
|
|
bool const all_filters_mode = p_scan_ctx->scan_filters.all_filters_mode;
|
|
uint8_t const counter =
|
|
p_scan_ctx->scan_filters.uuid_filter.uuid_cnt;
|
|
uint8_t index;
|
|
uint16_t data_len;
|
|
uint8_t uuid_match_cnt = 0;
|
|
|
|
data_len = p_adv_report->data.len;
|
|
|
|
for (index = 0; index < counter; index++)
|
|
{
|
|
|
|
if (ble_advdata_uuid_find(p_adv_report->data.p_data,
|
|
data_len,
|
|
&p_uuid_filter->uuid[index]))
|
|
{
|
|
uuid_match_cnt++;
|
|
|
|
// In the normal filter mode, only one UUID is needed to match.
|
|
if (!all_filters_mode)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else if (all_filters_mode)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// Do nothing.
|
|
}
|
|
}
|
|
|
|
// In the multifilter mode, all UUIDs must be found in the advertisement packets.
|
|
if ((all_filters_mode && (uuid_match_cnt == counter)) ||
|
|
((!all_filters_mode) && (uuid_match_cnt > 0)))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**@brief Function for adding UUID to the scanning filter.
|
|
*
|
|
* @param[in] uuid UUID, 16-bit size.
|
|
* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
|
|
*
|
|
* @retval NRF_SUCCESS If the scanning started. Otherwise, an error code is returned, also if you tried to add a filter that was already added before.
|
|
* @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
|
|
*/
|
|
static ret_code_t nrf_ble_scan_uuid_filter_add(nrf_ble_scan_t * const p_scan_ctx,
|
|
ble_uuid_t const * p_uuid)
|
|
{
|
|
ble_uuid_t * p_uuid_filter = p_scan_ctx->scan_filters.uuid_filter.uuid;
|
|
uint8_t * p_counter = &p_scan_ctx->scan_filters.uuid_filter.uuid_cnt;
|
|
uint8_t index;
|
|
|
|
// If no memory.
|
|
if (*p_counter >= NRF_BLE_SCAN_UUID_CNT)
|
|
{
|
|
return NRF_ERROR_NO_MEM;
|
|
}
|
|
|
|
// Check for duplicated filter.
|
|
for (index = 0; index < NRF_BLE_SCAN_UUID_CNT; index++)
|
|
{
|
|
if (p_uuid_filter[index].uuid == p_uuid->uuid)
|
|
{
|
|
return NRF_SUCCESS;
|
|
}
|
|
}
|
|
|
|
// Add UUID to the filter.
|
|
p_uuid_filter[(*p_counter)++] = *p_uuid;
|
|
NRF_LOG_DEBUG("Added filter on UUID %x", p_uuid->uuid);
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
#endif // NRF_BLE_SCAN_UUID_CNT
|
|
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT)
|
|
/**@brief Function for comparing the provided appearance with the appearance in the advertisement packets.
|
|
*
|
|
* @param[in] p_adv_report Advertising data to parse.
|
|
* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
|
|
*
|
|
* @return True if the appearances match. False otherwise.
|
|
*/
|
|
static bool adv_appearance_compare(ble_gap_evt_adv_report_t const * const p_adv_report,
|
|
nrf_ble_scan_t const * const p_scan_ctx)
|
|
{
|
|
nrf_ble_scan_appearance_filter_t const * p_appearance_filter =
|
|
&p_scan_ctx->scan_filters.appearance_filter;
|
|
uint8_t const counter =
|
|
p_scan_ctx->scan_filters.appearance_filter.appearance_cnt;
|
|
uint8_t index;
|
|
uint16_t data_len;
|
|
|
|
data_len = p_adv_report->data.len;
|
|
|
|
// Verify if the advertised appearance matches the provided appearance.
|
|
for (index = 0; index < counter; index++)
|
|
{
|
|
if (ble_advdata_appearance_find(p_adv_report->data.p_data,
|
|
data_len,
|
|
&p_appearance_filter->appearance[index]))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
/**@brief Function for adding appearance to the scanning filter.
|
|
*
|
|
* @param[in] appearance Appearance to be added.
|
|
* @param[in,out] p_scan_ctx Pointer to the Scanning Module instance.
|
|
*
|
|
* @retval NRF_SUCCESS If the filter is added successfully or if you try to add a filter that was already added before.
|
|
* @retval NRF_ERROR_NULL If a NULL pointer is passed as input.
|
|
* @retval NRF_ERROR_NO_MEMORY If the number of available filters is exceeded.
|
|
*/
|
|
static ret_code_t nrf_ble_scan_appearance_filter_add(nrf_ble_scan_t * const p_scan_ctx,
|
|
uint16_t appearance)
|
|
{
|
|
uint16_t * p_appearance_filter = p_scan_ctx->scan_filters.appearance_filter.appearance;
|
|
uint8_t * p_counter = &p_scan_ctx->scan_filters.appearance_filter.appearance_cnt;
|
|
uint8_t index;
|
|
|
|
// If no memory.
|
|
if (*p_counter >= NRF_BLE_SCAN_APPEARANCE_CNT)
|
|
{
|
|
return NRF_ERROR_NO_MEM;
|
|
}
|
|
|
|
// Check for duplicated filter.
|
|
for ( index = 0; index < NRF_BLE_SCAN_APPEARANCE_CNT; index++)
|
|
{
|
|
if (p_appearance_filter[index] == appearance)
|
|
{
|
|
return NRF_SUCCESS;
|
|
}
|
|
}
|
|
|
|
// Add appearance to the filter.
|
|
p_appearance_filter[(*p_counter)++] = appearance;
|
|
NRF_LOG_DEBUG("Added filter on appearance %x", appearance);
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
#endif // NRF_BLE_SCAN_APPEARANCE_CNT
|
|
|
|
|
|
ret_code_t nrf_ble_scan_filter_set(nrf_ble_scan_t * const p_scan_ctx,
|
|
nrf_ble_scan_filter_type_t type,
|
|
void const * p_data)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
VERIFY_PARAM_NOT_NULL(p_data);
|
|
|
|
switch (type)
|
|
{
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
case SCAN_NAME_FILTER:
|
|
{
|
|
char * p_name = (char *)p_data;
|
|
return nrf_ble_scan_name_filter_add(p_scan_ctx, p_name);
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
|
|
case SCAN_SHORT_NAME_FILTER:
|
|
{
|
|
nrf_ble_scan_short_name_t * p_short_name = (nrf_ble_scan_short_name_t *)p_data;
|
|
return nrf_ble_scan_short_name_filter_add(p_scan_ctx, p_short_name);
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
case SCAN_ADDR_FILTER:
|
|
{
|
|
uint8_t * p_addr = (uint8_t *)p_data;
|
|
return nrf_ble_scan_addr_filter_add(p_scan_ctx, p_addr);
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
case SCAN_UUID_FILTER:
|
|
{
|
|
ble_uuid_t * p_uuid = (ble_uuid_t *)p_data;
|
|
return nrf_ble_scan_uuid_filter_add(p_scan_ctx, p_uuid);
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
case SCAN_APPEARANCE_FILTER:
|
|
{
|
|
uint16_t appearance = *((uint16_t *)p_data);
|
|
return nrf_ble_scan_appearance_filter_add(p_scan_ctx, appearance);
|
|
}
|
|
#endif
|
|
|
|
default:
|
|
return NRF_ERROR_INVALID_PARAM;
|
|
}
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_all_filter_remove(nrf_ble_scan_t * const p_scan_ctx)
|
|
{
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
nrf_ble_scan_name_filter_t * p_name_filter = &p_scan_ctx->scan_filters.name_filter;
|
|
memset(p_name_filter->target_name, 0, sizeof(p_name_filter->target_name));
|
|
p_name_filter->name_cnt = 0;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
|
|
nrf_ble_scan_short_name_filter_t * p_short_name_filter =
|
|
&p_scan_ctx->scan_filters.short_name_filter;
|
|
memset(p_short_name_filter->short_name, 0, sizeof(p_short_name_filter->short_name));
|
|
p_short_name_filter->name_cnt = 0;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
nrf_ble_scan_addr_filter_t * p_addr_filter = &p_scan_ctx->scan_filters.addr_filter;
|
|
memset(p_addr_filter->target_addr, 0, sizeof(p_addr_filter->target_addr));
|
|
p_addr_filter->addr_cnt = 0;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
nrf_ble_scan_uuid_filter_t * p_uuid_filter = &p_scan_ctx->scan_filters.uuid_filter;
|
|
memset(p_uuid_filter->uuid, 0, sizeof(p_uuid_filter->uuid));
|
|
p_uuid_filter->uuid_cnt = 0;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
nrf_ble_scan_appearance_filter_t * p_appearance_filter =
|
|
&p_scan_ctx->scan_filters.appearance_filter;
|
|
memset(p_appearance_filter->appearance, 0, sizeof(p_appearance_filter->appearance));
|
|
p_appearance_filter->appearance_cnt = 0;
|
|
#endif
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_filters_enable(nrf_ble_scan_t * const p_scan_ctx,
|
|
uint8_t mode,
|
|
bool match_all)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
|
|
// Check if the mode is correct.
|
|
if ((!(mode & NRF_BLE_SCAN_ADDR_FILTER)) &&
|
|
(!(mode & NRF_BLE_SCAN_NAME_FILTER)) &&
|
|
(!(mode & NRF_BLE_SCAN_UUID_FILTER)) &&
|
|
(!(mode & NRF_BLE_SCAN_SHORT_NAME_FILTER)) &&
|
|
(!(mode & NRF_BLE_SCAN_APPEARANCE_FILTER)))
|
|
{
|
|
return NRF_ERROR_INVALID_PARAM;
|
|
}
|
|
|
|
ret_code_t err_code;
|
|
|
|
// Disable filters.
|
|
err_code = nrf_ble_scan_filters_disable(p_scan_ctx);
|
|
ASSERT(err_code == NRF_SUCCESS);
|
|
|
|
nrf_ble_scan_filters_t * p_filters = &p_scan_ctx->scan_filters;
|
|
|
|
// Turn on the filters of your choice.
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
if (mode & NRF_BLE_SCAN_ADDR_FILTER)
|
|
{
|
|
p_filters->addr_filter.addr_filter_enabled = true;
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
if (mode & NRF_BLE_SCAN_NAME_FILTER)
|
|
{
|
|
p_filters->name_filter.name_filter_enabled = true;
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
|
|
if (mode & NRF_BLE_SCAN_SHORT_NAME_FILTER)
|
|
{
|
|
p_filters->short_name_filter.short_name_filter_enabled = true;
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
if (mode & NRF_BLE_SCAN_UUID_FILTER)
|
|
{
|
|
p_filters->uuid_filter.uuid_filter_enabled = true;
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
if (mode & NRF_BLE_SCAN_APPEARANCE_FILTER)
|
|
{
|
|
p_filters->appearance_filter.appearance_filter_enabled = true;
|
|
}
|
|
#endif
|
|
|
|
// Select the filter mode.
|
|
p_filters->all_filters_mode = match_all;
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_filters_disable(nrf_ble_scan_t * const p_scan_ctx)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
|
|
// Disable all filters.
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
bool * p_name_filter_enabled = &p_scan_ctx->scan_filters.name_filter.name_filter_enabled;
|
|
*p_name_filter_enabled = false;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
bool * p_addr_filter_enabled = &p_scan_ctx->scan_filters.addr_filter.addr_filter_enabled;
|
|
*p_addr_filter_enabled = false;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
bool * p_uuid_filter_enabled = &p_scan_ctx->scan_filters.uuid_filter.uuid_filter_enabled;
|
|
*p_uuid_filter_enabled = false;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
bool * p_appearance_filter_enabled =
|
|
&p_scan_ctx->scan_filters.appearance_filter.appearance_filter_enabled;
|
|
*p_appearance_filter_enabled = false;
|
|
#endif
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_filter_get(nrf_ble_scan_t * const p_scan_ctx,
|
|
nrf_ble_scan_filters_t * p_status)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
VERIFY_PARAM_NOT_NULL(p_status);
|
|
|
|
*p_status = p_scan_ctx->scan_filters;
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
#endif // NRF_BLE_SCAN_FILTER_ENABLE
|
|
|
|
/**@brief Function for calling the BLE_GAP_EVT_ADV_REPORT event to check whether the received
|
|
* scanning data matches the scan configuration.
|
|
*
|
|
* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
|
|
* @param[in] p_adv_report Advertising report.
|
|
*/
|
|
static void nrf_ble_scan_on_adv_report(nrf_ble_scan_t const * const p_scan_ctx,
|
|
ble_gap_evt_adv_report_t const * const p_adv_report)
|
|
{
|
|
scan_evt_t scan_evt;
|
|
|
|
#if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
|
|
uint8_t filter_cnt = 0;
|
|
uint8_t filter_match_cnt = 0;
|
|
#endif
|
|
|
|
memset(&scan_evt, 0, sizeof(scan_evt));
|
|
|
|
scan_evt.p_scan_params = &p_scan_ctx->scan_params;
|
|
|
|
// If the whitelist is used, do not check the filters and return.
|
|
if (is_whitelist_used(p_scan_ctx))
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_WHITELIST_ADV_REPORT;
|
|
scan_evt.params.p_not_found = p_adv_report;
|
|
p_scan_ctx->evt_handler(&scan_evt);
|
|
|
|
UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
|
|
nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
|
|
|
|
return;
|
|
}
|
|
|
|
#if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
|
|
bool const all_filter_mode = p_scan_ctx->scan_filters.all_filters_mode;
|
|
bool is_filter_matched = false;
|
|
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
bool const addr_filter_enabled = p_scan_ctx->scan_filters.addr_filter.addr_filter_enabled;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
bool const name_filter_enabled = p_scan_ctx->scan_filters.name_filter.name_filter_enabled;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
|
|
bool const short_name_filter_enabled =
|
|
p_scan_ctx->scan_filters.short_name_filter.short_name_filter_enabled;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
bool const uuid_filter_enabled = p_scan_ctx->scan_filters.uuid_filter.uuid_filter_enabled;
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
bool const appearance_filter_enabled =
|
|
p_scan_ctx->scan_filters.appearance_filter.appearance_filter_enabled;
|
|
#endif
|
|
|
|
|
|
#if (NRF_BLE_SCAN_ADDRESS_CNT > 0)
|
|
// Check the address filter.
|
|
if (addr_filter_enabled)
|
|
{
|
|
// Number of active filters.
|
|
filter_cnt++;
|
|
if (adv_addr_compare(p_adv_report, p_scan_ctx))
|
|
{
|
|
// Number of filters matched.
|
|
filter_match_cnt++;
|
|
// Information about the filters matched.
|
|
scan_evt.params.filter_match.filter_match.address_filter_match = true;
|
|
is_filter_matched = true;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_NAME_CNT > 0)
|
|
// Check the name filter.
|
|
if (name_filter_enabled)
|
|
{
|
|
filter_cnt++;
|
|
if (adv_name_compare(p_adv_report, p_scan_ctx))
|
|
{
|
|
filter_match_cnt++;
|
|
|
|
// Information about the filters matched.
|
|
scan_evt.params.filter_match.filter_match.name_filter_match = true;
|
|
is_filter_matched = true;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_SHORT_NAME_CNT > 0)
|
|
if (short_name_filter_enabled)
|
|
{
|
|
filter_cnt++;
|
|
if (adv_short_name_compare(p_adv_report, p_scan_ctx))
|
|
{
|
|
filter_match_cnt++;
|
|
|
|
// Information about the filters matched.
|
|
scan_evt.params.filter_match.filter_match.short_name_filter_match = true;
|
|
is_filter_matched = true;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_UUID_CNT > 0)
|
|
// Check the UUID filter.
|
|
if (uuid_filter_enabled)
|
|
{
|
|
filter_cnt++;
|
|
if (adv_uuid_compare(p_adv_report, p_scan_ctx))
|
|
{
|
|
filter_match_cnt++;
|
|
// Information about the filters matched.
|
|
scan_evt.params.filter_match.filter_match.uuid_filter_match = true;
|
|
is_filter_matched = true;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (NRF_BLE_SCAN_APPEARANCE_CNT > 0)
|
|
// Check the appearance filter.
|
|
if (appearance_filter_enabled)
|
|
{
|
|
filter_cnt++;
|
|
if (adv_appearance_compare(p_adv_report, p_scan_ctx))
|
|
{
|
|
filter_match_cnt++;
|
|
// Information about the filters matched.
|
|
scan_evt.params.filter_match.filter_match.appearance_filter_match = true;
|
|
is_filter_matched = true;
|
|
}
|
|
}
|
|
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
|
|
#endif
|
|
|
|
scan_evt.params.filter_match.p_adv_report = p_adv_report;
|
|
|
|
// In the multifilter mode, the number of the active filters must equal the number of the filters matched to generate the notification.
|
|
if (all_filter_mode && (filter_match_cnt == filter_cnt))
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_FILTER_MATCH;
|
|
nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
|
|
}
|
|
// In the normal filter mode, only one filter match is needed to generate the notification to the main application.
|
|
else if ((!all_filter_mode) && is_filter_matched)
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_FILTER_MATCH;
|
|
nrf_ble_scan_connect_with_target(p_scan_ctx, p_adv_report);
|
|
}
|
|
else
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_NOT_FOUND;
|
|
scan_evt.params.p_not_found = p_adv_report;
|
|
|
|
}
|
|
|
|
// If the event handler is not NULL, notify the main application.
|
|
if (p_scan_ctx->evt_handler != NULL)
|
|
{
|
|
p_scan_ctx->evt_handler(&scan_evt);
|
|
}
|
|
|
|
#endif // NRF_BLE_SCAN_FILTER_ENABLE
|
|
|
|
// Resume the scanning.
|
|
UNUSED_RETURN_VALUE(sd_ble_gap_scan_start(NULL, &p_scan_ctx->scan_buffer));
|
|
}
|
|
|
|
|
|
/**@brief Function for checking whether the whitelist is used.
|
|
*
|
|
* @param[in] p_scan_ctx Scanning Module instance.
|
|
*/
|
|
bool is_whitelist_used(nrf_ble_scan_t const * const p_scan_ctx)
|
|
{
|
|
if (p_scan_ctx->scan_params.filter_policy == BLE_GAP_SCAN_FP_WHITELIST ||
|
|
p_scan_ctx->scan_params.filter_policy == BLE_GAP_SCAN_FP_WHITELIST_NOT_RESOLVED_DIRECTED)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
/**@brief Function for restoring the default scanning parameters.
|
|
*
|
|
* @param[out] p_scan_ctx Pointer to the Scanning Module instance.
|
|
*/
|
|
static void nrf_ble_scan_default_param_set(nrf_ble_scan_t * const p_scan_ctx)
|
|
{
|
|
// Set the default parameters.
|
|
p_scan_ctx->scan_params.active = 1;
|
|
#if (NRF_SD_BLE_API_VERSION > 7)
|
|
p_scan_ctx->scan_params.interval_us = NRF_BLE_SCAN_SCAN_INTERVAL * UNIT_0_625_MS;
|
|
p_scan_ctx->scan_params.window_us = NRF_BLE_SCAN_SCAN_WINDOW * UNIT_0_625_MS;
|
|
#else
|
|
p_scan_ctx->scan_params.interval = NRF_BLE_SCAN_SCAN_INTERVAL;
|
|
p_scan_ctx->scan_params.window = NRF_BLE_SCAN_SCAN_WINDOW;
|
|
#endif // #if (NRF_SD_BLE_API_VERSION > 7)
|
|
p_scan_ctx->scan_params.timeout = NRF_BLE_SCAN_SCAN_DURATION;
|
|
p_scan_ctx->scan_params.filter_policy = BLE_GAP_SCAN_FP_ACCEPT_ALL;
|
|
p_scan_ctx->scan_params.scan_phys = BLE_GAP_PHY_1MBPS;
|
|
}
|
|
|
|
|
|
/**@brief Function for setting the default connection parameters.
|
|
*
|
|
* @param[out] p_scan_ctx Pointer to the Scanning Module instance.
|
|
*/
|
|
static void nrf_ble_scan_default_conn_param_set(nrf_ble_scan_t * const p_scan_ctx)
|
|
{
|
|
p_scan_ctx->conn_params.conn_sup_timeout =
|
|
(uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_SUPERVISION_TIMEOUT, UNIT_10_MS);
|
|
p_scan_ctx->conn_params.min_conn_interval =
|
|
(uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MIN_CONNECTION_INTERVAL, UNIT_1_25_MS);
|
|
p_scan_ctx->conn_params.max_conn_interval =
|
|
(uint16_t)MSEC_TO_UNITS(NRF_BLE_SCAN_MAX_CONNECTION_INTERVAL, UNIT_1_25_MS);
|
|
p_scan_ctx->conn_params.slave_latency =
|
|
(uint16_t)NRF_BLE_SCAN_SLAVE_LATENCY;
|
|
}
|
|
|
|
|
|
/**@brief Function for calling the BLE_GAP_EVT_TIMEOUT event.
|
|
*
|
|
* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
|
|
* @param[in] p_gap GAP event structure.
|
|
*/
|
|
static void nrf_ble_scan_on_timeout(nrf_ble_scan_t const * const p_scan_ctx,
|
|
ble_gap_evt_t const * const p_gap)
|
|
{
|
|
ble_gap_evt_timeout_t const * p_timeout = &p_gap->params.timeout;
|
|
scan_evt_t scan_evt;
|
|
|
|
memset(&scan_evt, 0, sizeof(scan_evt));
|
|
|
|
if (p_timeout->src == BLE_GAP_TIMEOUT_SRC_SCAN)
|
|
{
|
|
NRF_LOG_DEBUG("BLE_GAP_SCAN_TIMEOUT");
|
|
if (p_scan_ctx->evt_handler != NULL)
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_SCAN_TIMEOUT;
|
|
scan_evt.p_scan_params = &p_scan_ctx->scan_params;
|
|
scan_evt.params.timeout.src = p_timeout->src;
|
|
|
|
p_scan_ctx->evt_handler(&scan_evt);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**@brief Function for stopping the scanning.
|
|
*/
|
|
void nrf_ble_scan_stop(void)
|
|
{
|
|
// It is ok to ignore the function return value here, because this function can return NRF_SUCCESS or
|
|
// NRF_ERROR_INVALID_STATE, when app is not in the scanning state.
|
|
UNUSED_RETURN_VALUE(sd_ble_gap_scan_stop());
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_init(nrf_ble_scan_t * const p_scan_ctx,
|
|
nrf_ble_scan_init_t const * const p_init,
|
|
nrf_ble_scan_evt_handler_t evt_handler)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
|
|
p_scan_ctx->evt_handler = evt_handler;
|
|
|
|
#if (NRF_BLE_SCAN_FILTER_ENABLE == 1)
|
|
// Disable all scanning filters.
|
|
memset(&p_scan_ctx->scan_filters, 0, sizeof(p_scan_ctx->scan_filters));
|
|
#endif
|
|
|
|
// If the pointer to the initialization structure exist, use it to scan the configuration.
|
|
if (p_init != NULL)
|
|
{
|
|
p_scan_ctx->connect_if_match = p_init->connect_if_match;
|
|
p_scan_ctx->conn_cfg_tag = p_init->conn_cfg_tag;
|
|
|
|
if (p_init->p_scan_param != NULL)
|
|
{
|
|
p_scan_ctx->scan_params = *p_init->p_scan_param;
|
|
}
|
|
else
|
|
{
|
|
// Use the default static configuration.
|
|
nrf_ble_scan_default_param_set(p_scan_ctx);
|
|
}
|
|
|
|
if (p_init->p_conn_param != NULL)
|
|
{
|
|
p_scan_ctx->conn_params = *p_init->p_conn_param;
|
|
}
|
|
else
|
|
{
|
|
// Use the default static configuration.
|
|
nrf_ble_scan_default_conn_param_set(p_scan_ctx);
|
|
}
|
|
}
|
|
// If pointer is NULL, use the static default configuration.
|
|
else
|
|
{
|
|
nrf_ble_scan_default_param_set(p_scan_ctx);
|
|
nrf_ble_scan_default_conn_param_set(p_scan_ctx);
|
|
|
|
p_scan_ctx->connect_if_match = false;
|
|
}
|
|
|
|
// Assign a buffer where the advertising reports are to be stored by the SoftDevice.
|
|
p_scan_ctx->scan_buffer.p_data = p_scan_ctx->scan_buffer_data;
|
|
p_scan_ctx->scan_buffer.len = NRF_BLE_SCAN_BUFFER;
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_start(nrf_ble_scan_t const * const p_scan_ctx)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
|
|
ret_code_t err_code;
|
|
scan_evt_t scan_evt;
|
|
|
|
memset(&scan_evt, 0, sizeof(scan_evt));
|
|
|
|
nrf_ble_scan_stop();
|
|
|
|
// If the whitelist is used and the event handler is not NULL, send the whitelist request to the main application.
|
|
if (is_whitelist_used(p_scan_ctx))
|
|
{
|
|
if (p_scan_ctx->evt_handler != NULL)
|
|
{
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_WHITELIST_REQUEST;
|
|
p_scan_ctx->evt_handler(&scan_evt);
|
|
}
|
|
}
|
|
|
|
// Start the scanning.
|
|
err_code = sd_ble_gap_scan_start(&p_scan_ctx->scan_params, &p_scan_ctx->scan_buffer);
|
|
|
|
// It is okay to ignore this error, because the scan stopped earlier.
|
|
if ((err_code != NRF_ERROR_INVALID_STATE) && (err_code != NRF_SUCCESS))
|
|
{
|
|
NRF_LOG_ERROR("sd_ble_gap_scan_start returned 0x%x", err_code);
|
|
return (err_code);
|
|
}
|
|
NRF_LOG_DEBUG("Scanning");
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_params_set(nrf_ble_scan_t * const p_scan_ctx,
|
|
ble_gap_scan_params_t const * const p_scan_param)
|
|
{
|
|
VERIFY_PARAM_NOT_NULL(p_scan_ctx);
|
|
|
|
nrf_ble_scan_stop();
|
|
|
|
if (p_scan_param != NULL)
|
|
{
|
|
// Assign new scanning parameters.
|
|
p_scan_ctx->scan_params = *p_scan_param;
|
|
}
|
|
else
|
|
{
|
|
// If NULL, use the default static configuration.
|
|
nrf_ble_scan_default_param_set(p_scan_ctx);
|
|
}
|
|
|
|
NRF_LOG_DEBUG("Scanning parameters have been changed successfully");
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
/**@brief Function for calling the BLE_GAP_EVT_CONNECTED event.
|
|
*
|
|
* @param[in] p_scan_ctx Pointer to the Scanning Module instance.
|
|
* @param[in] p_gap_evt GAP event structure.
|
|
*/
|
|
static void nrf_ble_scan_on_connected_evt(nrf_ble_scan_t const * const p_scan_ctx,
|
|
ble_gap_evt_t const * const p_gap_evt)
|
|
{
|
|
scan_evt_t scan_evt;
|
|
|
|
memset(&scan_evt, 0, sizeof(scan_evt));
|
|
scan_evt.scan_evt_id = NRF_BLE_SCAN_EVT_CONNECTED;
|
|
scan_evt.params.connected.p_connected = &p_gap_evt->params.connected;
|
|
scan_evt.params.connected.conn_handle = p_gap_evt->conn_handle;
|
|
scan_evt.p_scan_params = &p_scan_ctx->scan_params;
|
|
|
|
if (p_scan_ctx->evt_handler != NULL)
|
|
{
|
|
p_scan_ctx->evt_handler(&scan_evt);
|
|
}
|
|
}
|
|
|
|
|
|
ret_code_t nrf_ble_scan_copy_addr_to_sd_gap_addr(ble_gap_addr_t * p_gap_addr,
|
|
const uint8_t addr[BLE_GAP_ADDR_LEN])
|
|
{
|
|
uint16_t addr_type;
|
|
|
|
addr_type = nrf_ble_scan_address_type_decode(addr);
|
|
|
|
if (addr_type == BLE_ERROR_GAP_INVALID_BLE_ADDR)
|
|
{
|
|
return BLE_ERROR_GAP_INVALID_BLE_ADDR;
|
|
}
|
|
|
|
p_gap_addr->addr_type = addr_type;
|
|
|
|
for (uint8_t i = 0; i < BLE_GAP_ADDR_LEN; ++i)
|
|
{
|
|
p_gap_addr->addr[i] = addr[BLE_GAP_ADDR_LEN - (i + 1)];
|
|
}
|
|
|
|
return NRF_SUCCESS;
|
|
}
|
|
|
|
|
|
void nrf_ble_scan_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_contex)
|
|
{
|
|
nrf_ble_scan_t * p_scan_data = (nrf_ble_scan_t *)p_contex;
|
|
ble_gap_evt_adv_report_t const * p_adv_report = &p_ble_evt->evt.gap_evt.params.adv_report;
|
|
ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt;
|
|
|
|
switch (p_ble_evt->header.evt_id)
|
|
{
|
|
case BLE_GAP_EVT_ADV_REPORT:
|
|
nrf_ble_scan_on_adv_report(p_scan_data, p_adv_report);
|
|
break;
|
|
|
|
case BLE_GAP_EVT_TIMEOUT:
|
|
nrf_ble_scan_on_timeout(p_scan_data, p_gap_evt);
|
|
break;
|
|
|
|
case BLE_GAP_EVT_CONNECTED:
|
|
nrf_ble_scan_on_connected_evt(p_scan_data, p_gap_evt);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
#endif // NRF_BLE_SCAN_ENABLED
|
|
|