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617 lines
20 KiB
C
617 lines
20 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "esp_log.h"
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#include "nvs_flash.h"
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/* BLE */
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#include "nimble/nimble_port.h"
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#include "nimble/nimble_port_freertos.h"
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#include "host/ble_hs.h"
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#include "host/util/util.h"
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#include "console/console.h"
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#include "services/gap/ble_svc_gap.h"
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#include "bleprph.h"
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#if CONFIG_EXAMPLE_EXTENDED_ADV
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static uint8_t ext_adv_pattern_1[] = {
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0x02, 0x01, 0x06,
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0x03, 0x03, 0xab, 0xcd,
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0x03, 0x03, 0x18, 0x11,
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0x11, 0X09, 'n', 'i', 'm', 'b', 'l', 'e', '-', 'b', 'l', 'e', 'p', 'r', 'p', 'h', '-', 'e',
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};
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#endif
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static const char *tag = "NimBLE_BLE_PRPH";
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static int bleprph_gap_event(struct ble_gap_event *event, void *arg);
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#if CONFIG_EXAMPLE_RANDOM_ADDR
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static uint8_t own_addr_type = BLE_OWN_ADDR_RANDOM;
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#else
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static uint8_t own_addr_type;
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#endif
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#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
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static uint16_t cids[MYNEWT_VAL(BLE_EATT_CHAN_NUM)];
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static uint16_t bearers;
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#endif
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void ble_store_config_init(void);
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/**
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* Logs information about a connection to the console.
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*/
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static void
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bleprph_print_conn_desc(struct ble_gap_conn_desc *desc)
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{
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MODLOG_DFLT(INFO, "handle=%d our_ota_addr_type=%d our_ota_addr=",
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desc->conn_handle, desc->our_ota_addr.type);
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print_addr(desc->our_ota_addr.val);
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MODLOG_DFLT(INFO, " our_id_addr_type=%d our_id_addr=",
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desc->our_id_addr.type);
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print_addr(desc->our_id_addr.val);
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MODLOG_DFLT(INFO, " peer_ota_addr_type=%d peer_ota_addr=",
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desc->peer_ota_addr.type);
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print_addr(desc->peer_ota_addr.val);
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MODLOG_DFLT(INFO, " peer_id_addr_type=%d peer_id_addr=",
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desc->peer_id_addr.type);
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print_addr(desc->peer_id_addr.val);
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MODLOG_DFLT(INFO, " conn_itvl=%d conn_latency=%d supervision_timeout=%d "
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"encrypted=%d authenticated=%d bonded=%d\n",
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desc->conn_itvl, desc->conn_latency,
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desc->supervision_timeout,
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desc->sec_state.encrypted,
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desc->sec_state.authenticated,
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desc->sec_state.bonded);
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}
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#if CONFIG_EXAMPLE_EXTENDED_ADV
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/**
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* Enables advertising with the following parameters:
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* o General discoverable mode.
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* o Undirected connectable mode.
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*/
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static void
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ext_bleprph_advertise(void)
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{
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struct ble_gap_ext_adv_params params;
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struct os_mbuf *data;
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uint8_t instance = 0;
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int rc;
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/* First check if any instance is already active */
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if(ble_gap_ext_adv_active(instance)) {
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return;
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}
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/* use defaults for non-set params */
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memset (¶ms, 0, sizeof(params));
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/* enable connectable advertising */
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params.connectable = 1;
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/* advertise using random addr */
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params.own_addr_type = BLE_OWN_ADDR_PUBLIC;
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params.primary_phy = BLE_HCI_LE_PHY_1M;
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params.secondary_phy = BLE_HCI_LE_PHY_2M;
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//params.tx_power = 127;
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params.sid = 1;
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params.itvl_min = BLE_GAP_ADV_FAST_INTERVAL1_MIN;
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params.itvl_max = BLE_GAP_ADV_FAST_INTERVAL1_MIN;
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/* configure instance 0 */
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rc = ble_gap_ext_adv_configure(instance, ¶ms, NULL,
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bleprph_gap_event, NULL);
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assert (rc == 0);
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/* in this case only scan response is allowed */
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/* get mbuf for scan rsp data */
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data = os_msys_get_pkthdr(sizeof(ext_adv_pattern_1), 0);
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assert(data);
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/* fill mbuf with scan rsp data */
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rc = os_mbuf_append(data, ext_adv_pattern_1, sizeof(ext_adv_pattern_1));
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assert(rc == 0);
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rc = ble_gap_ext_adv_set_data(instance, data);
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assert (rc == 0);
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/* start advertising */
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rc = ble_gap_ext_adv_start(instance, 0, 0);
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assert (rc == 0);
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}
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#else
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/**
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* Enables advertising with the following parameters:
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* o General discoverable mode.
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* o Undirected connectable mode.
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*/
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static void
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bleprph_advertise(void)
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{
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struct ble_gap_adv_params adv_params;
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struct ble_hs_adv_fields fields;
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const char *name;
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int rc;
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/**
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* Set the advertisement data included in our advertisements:
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* o Flags (indicates advertisement type and other general info).
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* o Advertising tx power.
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* o Device name.
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* o 16-bit service UUIDs (alert notifications).
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*/
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memset(&fields, 0, sizeof fields);
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/* Advertise two flags:
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* o Discoverability in forthcoming advertisement (general)
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* o BLE-only (BR/EDR unsupported).
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*/
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fields.flags = BLE_HS_ADV_F_DISC_GEN |
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BLE_HS_ADV_F_BREDR_UNSUP;
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/* Indicate that the TX power level field should be included; have the
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* stack fill this value automatically. This is done by assigning the
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* special value BLE_HS_ADV_TX_PWR_LVL_AUTO.
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*/
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fields.tx_pwr_lvl_is_present = 1;
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fields.tx_pwr_lvl = BLE_HS_ADV_TX_PWR_LVL_AUTO;
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name = ble_svc_gap_device_name();
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fields.name = (uint8_t *)name;
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fields.name_len = strlen(name);
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fields.name_is_complete = 1;
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fields.uuids16 = (ble_uuid16_t[]) {
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BLE_UUID16_INIT(GATT_SVR_SVC_ALERT_UUID)
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};
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fields.num_uuids16 = 1;
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fields.uuids16_is_complete = 1;
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rc = ble_gap_adv_set_fields(&fields);
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if (rc != 0) {
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MODLOG_DFLT(ERROR, "error setting advertisement data; rc=%d\n", rc);
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return;
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}
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/* Begin advertising. */
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memset(&adv_params, 0, sizeof adv_params);
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adv_params.conn_mode = BLE_GAP_CONN_MODE_UND;
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adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN;
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rc = ble_gap_adv_start(own_addr_type, NULL, BLE_HS_FOREVER,
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&adv_params, bleprph_gap_event, NULL);
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if (rc != 0) {
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MODLOG_DFLT(ERROR, "error enabling advertisement; rc=%d\n", rc);
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return;
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}
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}
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#endif
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#if MYNEWT_VAL(BLE_POWER_CONTROL)
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static void bleprph_power_control(uint16_t conn_handle)
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{
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int rc;
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rc = ble_gap_read_remote_transmit_power_level(conn_handle, 0x01 ); // Attempting on LE 1M phy
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assert (rc == 0);
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rc = ble_gap_set_transmit_power_reporting_enable(conn_handle, 0x1, 0x1);
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assert (rc == 0);
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}
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#endif
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/**
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* The nimble host executes this callback when a GAP event occurs. The
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* application associates a GAP event callback with each connection that forms.
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* bleprph uses the same callback for all connections.
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*
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* @param event The type of event being signalled.
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* @param ctxt Various information pertaining to the event.
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* @param arg Application-specified argument; unused by
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* bleprph.
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*
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* @return 0 if the application successfully handled the
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* event; nonzero on failure. The semantics
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* of the return code is specific to the
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* particular GAP event being signalled.
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*/
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static int
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bleprph_gap_event(struct ble_gap_event *event, void *arg)
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{
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struct ble_gap_conn_desc desc;
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int rc;
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switch (event->type) {
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case BLE_GAP_EVENT_CONNECT:
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/* A new connection was established or a connection attempt failed. */
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MODLOG_DFLT(INFO, "connection %s; status=%d ",
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event->connect.status == 0 ? "established" : "failed",
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event->connect.status);
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if (event->connect.status == 0) {
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rc = ble_gap_conn_find(event->connect.conn_handle, &desc);
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assert(rc == 0);
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bleprph_print_conn_desc(&desc);
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}
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MODLOG_DFLT(INFO, "\n");
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if (event->connect.status != 0) {
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/* Connection failed; resume advertising. */
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#if CONFIG_EXAMPLE_EXTENDED_ADV
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ext_bleprph_advertise();
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#else
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bleprph_advertise();
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#endif
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}
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#if MYNEWT_VAL(BLE_POWER_CONTROL)
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bleprph_power_control(event->connect.conn_handle);
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#endif
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return 0;
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case BLE_GAP_EVENT_DISCONNECT:
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MODLOG_DFLT(INFO, "disconnect; reason=%d ", event->disconnect.reason);
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bleprph_print_conn_desc(&event->disconnect.conn);
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MODLOG_DFLT(INFO, "\n");
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/* Connection terminated; resume advertising. */
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#if CONFIG_EXAMPLE_EXTENDED_ADV
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ext_bleprph_advertise();
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#else
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bleprph_advertise();
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#endif
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return 0;
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case BLE_GAP_EVENT_CONN_UPDATE:
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/* The central has updated the connection parameters. */
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MODLOG_DFLT(INFO, "connection updated; status=%d ",
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event->conn_update.status);
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rc = ble_gap_conn_find(event->conn_update.conn_handle, &desc);
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assert(rc == 0);
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bleprph_print_conn_desc(&desc);
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MODLOG_DFLT(INFO, "\n");
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return 0;
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case BLE_GAP_EVENT_ADV_COMPLETE:
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MODLOG_DFLT(INFO, "advertise complete; reason=%d",
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event->adv_complete.reason);
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#if CONFIG_EXAMPLE_EXTENDED_ADV
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ext_bleprph_advertise();
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#else
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bleprph_advertise();
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#endif
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return 0;
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case BLE_GAP_EVENT_ENC_CHANGE:
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/* Encryption has been enabled or disabled for this connection. */
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MODLOG_DFLT(INFO, "encryption change event; status=%d ",
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event->enc_change.status);
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rc = ble_gap_conn_find(event->enc_change.conn_handle, &desc);
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assert(rc == 0);
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bleprph_print_conn_desc(&desc);
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MODLOG_DFLT(INFO, "\n");
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return 0;
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case BLE_GAP_EVENT_NOTIFY_TX:
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MODLOG_DFLT(INFO, "notify_tx event; conn_handle=%d attr_handle=%d "
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"status=%d is_indication=%d",
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event->notify_tx.conn_handle,
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event->notify_tx.attr_handle,
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event->notify_tx.status,
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event->notify_tx.indication);
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return 0;
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case BLE_GAP_EVENT_SUBSCRIBE:
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MODLOG_DFLT(INFO, "subscribe event; conn_handle=%d attr_handle=%d "
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"reason=%d prevn=%d curn=%d previ=%d curi=%d\n",
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event->subscribe.conn_handle,
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event->subscribe.attr_handle,
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event->subscribe.reason,
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event->subscribe.prev_notify,
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event->subscribe.cur_notify,
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event->subscribe.prev_indicate,
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event->subscribe.cur_indicate);
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return 0;
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case BLE_GAP_EVENT_MTU:
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MODLOG_DFLT(INFO, "mtu update event; conn_handle=%d cid=%d mtu=%d\n",
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event->mtu.conn_handle,
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event->mtu.channel_id,
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event->mtu.value);
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return 0;
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case BLE_GAP_EVENT_REPEAT_PAIRING:
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/* We already have a bond with the peer, but it is attempting to
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* establish a new secure link. This app sacrifices security for
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* convenience: just throw away the old bond and accept the new link.
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*/
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/* Delete the old bond. */
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rc = ble_gap_conn_find(event->repeat_pairing.conn_handle, &desc);
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assert(rc == 0);
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ble_store_util_delete_peer(&desc.peer_id_addr);
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/* Return BLE_GAP_REPEAT_PAIRING_RETRY to indicate that the host should
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* continue with the pairing operation.
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*/
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return BLE_GAP_REPEAT_PAIRING_RETRY;
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case BLE_GAP_EVENT_PASSKEY_ACTION:
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ESP_LOGI(tag, "PASSKEY_ACTION_EVENT started \n");
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struct ble_sm_io pkey = {0};
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int key = 0;
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if (event->passkey.params.action == BLE_SM_IOACT_DISP) {
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pkey.action = event->passkey.params.action;
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pkey.passkey = 123456; // This is the passkey to be entered on peer
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ESP_LOGI(tag, "Enter passkey %" PRIu32 "on the peer side", pkey.passkey);
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rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey);
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ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc);
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} else if (event->passkey.params.action == BLE_SM_IOACT_NUMCMP) {
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ESP_LOGI(tag, "Passkey on device's display: %" PRIu32 , event->passkey.params.numcmp);
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ESP_LOGI(tag, "Accept or reject the passkey through console in this format -> key Y or key N");
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pkey.action = event->passkey.params.action;
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if (scli_receive_key(&key)) {
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pkey.numcmp_accept = key;
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} else {
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pkey.numcmp_accept = 0;
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ESP_LOGE(tag, "Timeout! Rejecting the key");
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}
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rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey);
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ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc);
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} else if (event->passkey.params.action == BLE_SM_IOACT_OOB) {
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static uint8_t tem_oob[16] = {0};
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pkey.action = event->passkey.params.action;
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for (int i = 0; i < 16; i++) {
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pkey.oob[i] = tem_oob[i];
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}
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rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey);
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ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc);
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} else if (event->passkey.params.action == BLE_SM_IOACT_INPUT) {
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ESP_LOGI(tag, "Enter the passkey through console in this format-> key 123456");
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pkey.action = event->passkey.params.action;
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if (scli_receive_key(&key)) {
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pkey.passkey = key;
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} else {
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pkey.passkey = 0;
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ESP_LOGE(tag, "Timeout! Passing 0 as the key");
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}
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rc = ble_sm_inject_io(event->passkey.conn_handle, &pkey);
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ESP_LOGI(tag, "ble_sm_inject_io result: %d\n", rc);
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}
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return 0;
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case BLE_GAP_EVENT_AUTHORIZE:
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MODLOG_DFLT(INFO, "authorize event: conn_handle=%d attr_handle=%d is_read=%d",
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event->authorize.conn_handle,
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event->authorize.attr_handle,
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event->authorize.is_read);
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/* The default behaviour for the event is to reject authorize request */
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event->authorize.out_response = BLE_GAP_AUTHORIZE_REJECT;
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return 0;
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#if MYNEWT_VAL(BLE_POWER_CONTROL)
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case BLE_GAP_EVENT_TRANSMIT_POWER:
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MODLOG_DFLT(INFO, "Transmit power event : status=%d conn_handle=%d reason=%d "
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"phy=%d power_level=%x power_level_flag=%d delta=%d",
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event->transmit_power.status,
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event->transmit_power.conn_handle,
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event->transmit_power.reason,
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event->transmit_power.phy,
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event->transmit_power.transmit_power_level,
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event->transmit_power.transmit_power_level_flag,
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event->transmit_power.delta);
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return 0;
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case BLE_GAP_EVENT_PATHLOSS_THRESHOLD:
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MODLOG_DFLT(INFO, "Pathloss threshold event : conn_handle=%d current path loss=%d "
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"zone_entered =%d",
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event->pathloss_threshold.conn_handle,
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event->pathloss_threshold.current_path_loss,
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event->pathloss_threshold.zone_entered);
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return 0;
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#endif
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#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
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case BLE_GAP_EVENT_EATT:
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MODLOG_DFLT(INFO, "EATT %s : conn_handle=%d cid=%d",
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event->eatt.status ? "disconnected" : "connected",
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event->eatt.conn_handle,
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event->eatt.cid);
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if (event->eatt.status) {
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/* Abort if disconnected */
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return 0;
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}
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cids[bearers] = event->eatt.cid;
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bearers += 1;
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if (bearers != MYNEWT_VAL(BLE_EATT_CHAN_NUM)) {
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/* Wait until all EATT bearers are connected before proceeding */
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return 0;
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}
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/* Set the default bearer to use for further procedures */
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rc = ble_att_set_default_bearer_using_cid(event->eatt.conn_handle, cids[0]);
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if (rc != 0) {
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MODLOG_DFLT(INFO, "Cannot set default EATT bearer, rc = %d\n", rc);
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return rc;
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}
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return 0;
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|
#endif
|
|
|
|
#if MYNEWT_VAL(BLE_CONN_SUBRATING)
|
|
case BLE_GAP_EVENT_SUBRATE_CHANGE:
|
|
MODLOG_DFLT(INFO, "Subrate change event : conn_handle=%d status=%d factor=%d",
|
|
event->subrate_change.conn_handle,
|
|
event->subrate_change.status,
|
|
event->subrate_change.subrate_factor);
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
bleprph_on_reset(int reason)
|
|
{
|
|
MODLOG_DFLT(ERROR, "Resetting state; reason=%d\n", reason);
|
|
}
|
|
|
|
#if CONFIG_EXAMPLE_RANDOM_ADDR
|
|
static void
|
|
ble_app_set_addr(void)
|
|
{
|
|
ble_addr_t addr;
|
|
int rc;
|
|
|
|
/* generate new non-resolvable private address */
|
|
rc = ble_hs_id_gen_rnd(0, &addr);
|
|
assert(rc == 0);
|
|
|
|
/* set generated address */
|
|
rc = ble_hs_id_set_rnd(addr.val);
|
|
|
|
assert(rc == 0);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
bleprph_on_sync(void)
|
|
{
|
|
int rc;
|
|
|
|
#if CONFIG_EXAMPLE_RANDOM_ADDR
|
|
/* Generate a non-resolvable private address. */
|
|
ble_app_set_addr();
|
|
#endif
|
|
|
|
/* Make sure we have proper identity address set (public preferred) */
|
|
#if CONFIG_EXAMPLE_RANDOM_ADDR
|
|
rc = ble_hs_util_ensure_addr(1);
|
|
#else
|
|
rc = ble_hs_util_ensure_addr(0);
|
|
#endif
|
|
assert(rc == 0);
|
|
|
|
/* Figure out address to use while advertising (no privacy for now) */
|
|
rc = ble_hs_id_infer_auto(0, &own_addr_type);
|
|
if (rc != 0) {
|
|
MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc);
|
|
return;
|
|
}
|
|
|
|
/* Printing ADDR */
|
|
uint8_t addr_val[6] = {0};
|
|
rc = ble_hs_id_copy_addr(own_addr_type, addr_val, NULL);
|
|
|
|
MODLOG_DFLT(INFO, "Device Address: ");
|
|
print_addr(addr_val);
|
|
MODLOG_DFLT(INFO, "\n");
|
|
/* Begin advertising. */
|
|
#if CONFIG_EXAMPLE_EXTENDED_ADV
|
|
ext_bleprph_advertise();
|
|
#else
|
|
bleprph_advertise();
|
|
#endif
|
|
}
|
|
|
|
void bleprph_host_task(void *param)
|
|
{
|
|
ESP_LOGI(tag, "BLE Host Task Started");
|
|
/* This function will return only when nimble_port_stop() is executed */
|
|
nimble_port_run();
|
|
|
|
nimble_port_freertos_deinit();
|
|
}
|
|
|
|
void
|
|
app_main(void)
|
|
{
|
|
int rc;
|
|
|
|
/* Initialize NVS — it is used to store PHY calibration data */
|
|
esp_err_t ret = nvs_flash_init();
|
|
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
|
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
|
ret = nvs_flash_init();
|
|
}
|
|
ESP_ERROR_CHECK(ret);
|
|
|
|
ret = nimble_port_init();
|
|
if (ret != ESP_OK) {
|
|
ESP_LOGE(tag, "Failed to init nimble %d ", ret);
|
|
return;
|
|
}
|
|
/* Initialize the NimBLE host configuration. */
|
|
ble_hs_cfg.reset_cb = bleprph_on_reset;
|
|
ble_hs_cfg.sync_cb = bleprph_on_sync;
|
|
ble_hs_cfg.gatts_register_cb = gatt_svr_register_cb;
|
|
ble_hs_cfg.store_status_cb = ble_store_util_status_rr;
|
|
|
|
ble_hs_cfg.sm_io_cap = CONFIG_EXAMPLE_IO_TYPE;
|
|
#ifdef CONFIG_EXAMPLE_BONDING
|
|
ble_hs_cfg.sm_bonding = 1;
|
|
/* Enable the appropriate bit masks to make sure the keys
|
|
* that are needed are exchanged
|
|
*/
|
|
ble_hs_cfg.sm_our_key_dist |= BLE_SM_PAIR_KEY_DIST_ENC;
|
|
ble_hs_cfg.sm_their_key_dist |= BLE_SM_PAIR_KEY_DIST_ENC;
|
|
#endif
|
|
#ifdef CONFIG_EXAMPLE_MITM
|
|
ble_hs_cfg.sm_mitm = 1;
|
|
#endif
|
|
#ifdef CONFIG_EXAMPLE_USE_SC
|
|
ble_hs_cfg.sm_sc = 1;
|
|
#else
|
|
ble_hs_cfg.sm_sc = 0;
|
|
#endif
|
|
#ifdef CONFIG_EXAMPLE_RESOLVE_PEER_ADDR
|
|
/* Stores the IRK */
|
|
ble_hs_cfg.sm_our_key_dist |= BLE_SM_PAIR_KEY_DIST_ID;
|
|
ble_hs_cfg.sm_their_key_dist |= BLE_SM_PAIR_KEY_DIST_ID;
|
|
#endif
|
|
|
|
rc = gatt_svr_init();
|
|
assert(rc == 0);
|
|
|
|
/* Set the default device name. */
|
|
rc = ble_svc_gap_device_name_set("nimble-bleprph");
|
|
assert(rc == 0);
|
|
|
|
/* XXX Need to have template for store */
|
|
ble_store_config_init();
|
|
|
|
nimble_port_freertos_init(bleprph_host_task);
|
|
|
|
/* Initialize command line interface to accept input from user */
|
|
rc = scli_init();
|
|
if (rc != ESP_OK) {
|
|
ESP_LOGE(tag, "scli_init() failed");
|
|
}
|
|
|
|
#if MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0
|
|
bearers = 0;
|
|
for (int i = 0; i < MYNEWT_VAL(BLE_EATT_CHAN_NUM); i++) {
|
|
cids[i] = 0;
|
|
}
|
|
#endif
|
|
}
|