1. indicate adv/scan start complete success or failed 2. controller do limit of adv/scan concurrence, so add some codes to report adv/scan start failed or not.
410 lines
17 KiB
C
410 lines
17 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/****************************************************************************
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*
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* This file is for gatt client. It can scan ble device, connect one device,
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*
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****************************************************************************/
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "controller.h"
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#include "bt.h"
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#include "bt_trace.h"
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#include "bt_types.h"
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#include "btm_api.h"
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#include "bta_api.h"
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#include "bta_gatt_api.h"
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#include "esp_gap_ble_api.h"
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#include "esp_gattc_api.h"
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#include "esp_gatt_defs.h"
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#include "esp_bt_main.h"
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#define GATTC_TAG "GATTC_DEMO"
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///Declare static functions
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static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param);
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static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param);
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static void gattc_profile_a_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param);
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static void gattc_profile_b_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param);
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static esp_gatt_srvc_id_t alert_service_id = {
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.id = {
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.uuid = {
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.len = ESP_UUID_LEN_16,
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.uuid = {.uuid16 = 0x1811,},
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},
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.inst_id = 0,
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},
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.is_primary = true,
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};
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static esp_gatt_id_t notify_descr_id = {
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.uuid = {
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.len = ESP_UUID_LEN_16,
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.uuid = {.uuid16 = GATT_UUID_CHAR_CLIENT_CONFIG,},
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},
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.inst_id = 0,
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};
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#define BT_BD_ADDR_STR "%02x:%02x:%02x:%02x:%02x:%02x"
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#define BT_BD_ADDR_HEX(addr) addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]
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static bool connect = false;
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static const char device_name[] = "Alert Notification";
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static esp_ble_scan_params_t ble_scan_params = {
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.scan_type = BLE_SCAN_TYPE_ACTIVE,
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.own_addr_type = ESP_PUBLIC_ADDR,
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.scan_filter_policy = BLE_SCAN_FILTER_ALLOW_ALL,
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.scan_interval = 0x50,
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.scan_window = 0x30
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};
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#define PROFILE_NUM 2
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#define PROFILE_A_APP_ID 0
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#define PROFILE_B_APP_ID 1
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struct gattc_profile_inst {
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esp_gattc_cb_t gattc_cb;
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uint16_t gattc_if;
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uint16_t app_id;
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uint16_t conn_id;
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esp_bd_addr_t remote_bda;
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};
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/* One gatt-based profile one app_id and one gattc_if, this array will store the gattc_if returned by ESP_GATTS_REG_EVT */
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static struct gattc_profile_inst gl_profile_tab[PROFILE_NUM] = {
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[PROFILE_A_APP_ID] = {
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.gattc_cb = gattc_profile_a_event_handler,
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.gattc_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
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},
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[PROFILE_B_APP_ID] = {
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.gattc_cb = gattc_profile_b_event_handler,
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.gattc_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
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},
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};
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static void gattc_profile_a_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
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{
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uint16_t conn_id = 0;
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esp_ble_gattc_cb_param_t *p_data = (esp_ble_gattc_cb_param_t *)param;
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switch (event) {
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case ESP_GATTC_REG_EVT:
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ESP_LOGI(GATTC_TAG, "REG_EVT\n");
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esp_ble_gap_set_scan_params(&ble_scan_params);
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break;
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case ESP_GATTC_OPEN_EVT:
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conn_id = p_data->open.conn_id;
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memcpy(gl_profile_tab[PROFILE_A_APP_ID].remote_bda, p_data->open.remote_bda, sizeof(esp_bd_addr_t));
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ESP_LOGI(GATTC_TAG, "ESP_GATTC_OPEN_EVT conn_id %d, if %d, status %d, mtu %d\n", conn_id, gattc_if, p_data->open.status, p_data->open.mtu);
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ESP_LOGI(GATTC_TAG, "REMOTE BDA %02x:%02x:%02x:%02x:%02x:%02x\n",
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gl_profile_tab[PROFILE_A_APP_ID].remote_bda[0], gl_profile_tab[PROFILE_A_APP_ID].remote_bda[1],
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gl_profile_tab[PROFILE_A_APP_ID].remote_bda[2], gl_profile_tab[PROFILE_A_APP_ID].remote_bda[3],
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gl_profile_tab[PROFILE_A_APP_ID].remote_bda[4], gl_profile_tab[PROFILE_A_APP_ID].remote_bda[5]
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);
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esp_ble_gattc_search_service(gattc_if, conn_id, NULL);
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break;
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case ESP_GATTC_SEARCH_RES_EVT: {
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esp_gatt_srvc_id_t *srvc_id = &p_data->search_res.srvc_id;
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conn_id = p_data->search_res.conn_id;
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ESP_LOGI(GATTC_TAG, "SEARCH RES: conn_id = %x\n", conn_id);
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if (srvc_id->id.uuid.len == ESP_UUID_LEN_16) {
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ESP_LOGI(GATTC_TAG, "UUID16: %x\n", srvc_id->id.uuid.uuid.uuid16);
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} else if (srvc_id->id.uuid.len == ESP_UUID_LEN_32) {
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ESP_LOGI(GATTC_TAG, "UUID32: %x\n", srvc_id->id.uuid.uuid.uuid32);
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} else if (srvc_id->id.uuid.len == ESP_UUID_LEN_128) {
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ESP_LOGI(GATTC_TAG, "UUID128: %x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x\n", srvc_id->id.uuid.uuid.uuid128[0],
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srvc_id->id.uuid.uuid.uuid128[1], srvc_id->id.uuid.uuid.uuid128[2], srvc_id->id.uuid.uuid.uuid128[3],
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srvc_id->id.uuid.uuid.uuid128[4], srvc_id->id.uuid.uuid.uuid128[5], srvc_id->id.uuid.uuid.uuid128[6],
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srvc_id->id.uuid.uuid.uuid128[7], srvc_id->id.uuid.uuid.uuid128[8], srvc_id->id.uuid.uuid.uuid128[9],
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srvc_id->id.uuid.uuid.uuid128[10], srvc_id->id.uuid.uuid.uuid128[11], srvc_id->id.uuid.uuid.uuid128[12],
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srvc_id->id.uuid.uuid.uuid128[13], srvc_id->id.uuid.uuid.uuid128[14], srvc_id->id.uuid.uuid.uuid128[15]);
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} else {
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ESP_LOGE(GATTC_TAG, "UNKNOWN LEN %d\n", srvc_id->id.uuid.len);
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}
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break;
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}
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case ESP_GATTC_SEARCH_CMPL_EVT:
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conn_id = p_data->search_cmpl.conn_id;
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ESP_LOGI(GATTC_TAG, "SEARCH_CMPL: conn_id = %x, status %d\n", conn_id, p_data->search_cmpl.status);
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esp_ble_gattc_get_characteristic(gattc_if, conn_id, &alert_service_id, NULL);
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break;
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case ESP_GATTC_GET_CHAR_EVT:
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if (p_data->get_char.status != ESP_GATT_OK) {
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break;
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}
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ESP_LOGI(GATTC_TAG, "GET CHAR: conn_id = %x, status %d\n", p_data->get_char.conn_id, p_data->get_char.status);
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ESP_LOGI(GATTC_TAG, "GET CHAR: srvc_id = %04x, char_id = %04x\n", p_data->get_char.srvc_id.id.uuid.uuid.uuid16, p_data->get_char.char_id.uuid.uuid.uuid16);
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if (p_data->get_char.char_id.uuid.uuid.uuid16 == 0x2a46) {
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ESP_LOGI(GATTC_TAG, "register notify\n");
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esp_ble_gattc_register_for_notify(gattc_if, gl_profile_tab[PROFILE_A_APP_ID].remote_bda, &alert_service_id, &p_data->get_char.char_id);
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}
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esp_ble_gattc_get_characteristic(gattc_if, conn_id, &alert_service_id, &p_data->get_char.char_id);
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break;
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case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
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uint16_t notify_en = 1;
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ESP_LOGI(GATTC_TAG, "REG FOR NOTIFY: status %d\n", p_data->reg_for_notify.status);
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ESP_LOGI(GATTC_TAG, "REG FOR_NOTIFY: srvc_id = %04x, char_id = %04x\n", p_data->reg_for_notify.srvc_id.id.uuid.uuid.uuid16, p_data->reg_for_notify.char_id.uuid.uuid.uuid16);
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esp_ble_gattc_write_char_descr(
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gattc_if,
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conn_id,
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&alert_service_id,
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&p_data->reg_for_notify.char_id,
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¬ify_descr_id,
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sizeof(notify_en),
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(uint8_t *)¬ify_en,
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ESP_GATT_WRITE_TYPE_RSP,
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ESP_GATT_AUTH_REQ_NONE);
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break;
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}
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case ESP_GATTC_NOTIFY_EVT:
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ESP_LOGI(GATTC_TAG, "NOTIFY: len %d, value %08x\n", p_data->notify.value_len, *(uint32_t *)p_data->notify.value);
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break;
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case ESP_GATTC_WRITE_DESCR_EVT:
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ESP_LOGI(GATTC_TAG, "WRITE: status %d\n", p_data->write.status);
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break;
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default:
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break;
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}
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}
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static void gattc_profile_b_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
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{
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uint16_t conn_id = 0;
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esp_ble_gattc_cb_param_t *p_data = (esp_ble_gattc_cb_param_t *)param;
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switch (event) {
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case ESP_GATTC_REG_EVT:
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ESP_LOGI(GATTC_TAG, "REG_EVT\n");
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break;
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case ESP_GATTC_OPEN_EVT:
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conn_id = p_data->open.conn_id;
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memcpy(gl_profile_tab[PROFILE_B_APP_ID].remote_bda, p_data->open.remote_bda, sizeof(esp_bd_addr_t));
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ESP_LOGI(GATTC_TAG, "ESP_GATTC_OPEN_EVT conn_id %d, if %d, status %d, mtu %d\n", conn_id, gattc_if, p_data->open.status, p_data->open.mtu);
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ESP_LOGI(GATTC_TAG, "REMOTE BDA %02x:%02x:%02x:%02x:%02x:%02x\n",
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gl_profile_tab[PROFILE_B_APP_ID].remote_bda[0], gl_profile_tab[PROFILE_B_APP_ID].remote_bda[1],
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gl_profile_tab[PROFILE_B_APP_ID].remote_bda[2], gl_profile_tab[PROFILE_B_APP_ID].remote_bda[3],
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gl_profile_tab[PROFILE_B_APP_ID].remote_bda[4], gl_profile_tab[PROFILE_B_APP_ID].remote_bda[5]
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);
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esp_ble_gattc_search_service(gattc_if, conn_id, NULL);
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break;
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case ESP_GATTC_SEARCH_RES_EVT: {
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esp_gatt_srvc_id_t *srvc_id = &p_data->search_res.srvc_id;
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conn_id = p_data->search_res.conn_id;
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ESP_LOGI(GATTC_TAG, "SEARCH RES: conn_id = %x\n", conn_id);
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if (srvc_id->id.uuid.len == ESP_UUID_LEN_16) {
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ESP_LOGI(GATTC_TAG, "UUID16: %x\n", srvc_id->id.uuid.uuid.uuid16);
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} else if (srvc_id->id.uuid.len == ESP_UUID_LEN_32) {
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ESP_LOGI(GATTC_TAG, "UUID32: %x\n", srvc_id->id.uuid.uuid.uuid32);
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} else if (srvc_id->id.uuid.len == ESP_UUID_LEN_128) {
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ESP_LOGI(GATTC_TAG, "UUID128: %x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x\n", srvc_id->id.uuid.uuid.uuid128[0],
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srvc_id->id.uuid.uuid.uuid128[1], srvc_id->id.uuid.uuid.uuid128[2], srvc_id->id.uuid.uuid.uuid128[3],
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srvc_id->id.uuid.uuid.uuid128[4], srvc_id->id.uuid.uuid.uuid128[5], srvc_id->id.uuid.uuid.uuid128[6],
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srvc_id->id.uuid.uuid.uuid128[7], srvc_id->id.uuid.uuid.uuid128[8], srvc_id->id.uuid.uuid.uuid128[9],
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srvc_id->id.uuid.uuid.uuid128[10], srvc_id->id.uuid.uuid.uuid128[11], srvc_id->id.uuid.uuid.uuid128[12],
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srvc_id->id.uuid.uuid.uuid128[13], srvc_id->id.uuid.uuid.uuid128[14], srvc_id->id.uuid.uuid.uuid128[15]);
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} else {
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ESP_LOGE(GATTC_TAG, "UNKNOWN LEN %d\n", srvc_id->id.uuid.len);
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}
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break;
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}
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case ESP_GATTC_SEARCH_CMPL_EVT:
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conn_id = p_data->search_cmpl.conn_id;
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ESP_LOGI(GATTC_TAG, "SEARCH_CMPL: conn_id = %x, status %d\n", conn_id, p_data->search_cmpl.status);
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esp_ble_gattc_get_characteristic(gattc_if, conn_id, &alert_service_id, NULL);
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break;
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case ESP_GATTC_GET_CHAR_EVT:
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if (p_data->get_char.status != ESP_GATT_OK) {
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break;
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}
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ESP_LOGI(GATTC_TAG, "GET CHAR: conn_id = %x, status %d\n", p_data->get_char.conn_id, p_data->get_char.status);
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ESP_LOGI(GATTC_TAG, "GET CHAR: srvc_id = %04x, char_id = %04x\n", p_data->get_char.srvc_id.id.uuid.uuid.uuid16, p_data->get_char.char_id.uuid.uuid.uuid16);
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if (p_data->get_char.char_id.uuid.uuid.uuid16 == 0x2a46) {
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ESP_LOGI(GATTC_TAG, "register notify\n");
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esp_ble_gattc_register_for_notify(gattc_if, gl_profile_tab[PROFILE_B_APP_ID].remote_bda, &alert_service_id, &p_data->get_char.char_id);
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}
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esp_ble_gattc_get_characteristic(gattc_if, conn_id, &alert_service_id, &p_data->get_char.char_id);
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break;
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case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
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uint16_t notify_en = 1;
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ESP_LOGI(GATTC_TAG, "REG FOR NOTIFY: status %d\n", p_data->reg_for_notify.status);
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ESP_LOGI(GATTC_TAG, "REG FOR_NOTIFY: srvc_id = %04x, char_id = %04x\n", p_data->reg_for_notify.srvc_id.id.uuid.uuid.uuid16, p_data->reg_for_notify.char_id.uuid.uuid.uuid16);
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esp_ble_gattc_write_char_descr(
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gattc_if,
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conn_id,
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&alert_service_id,
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&p_data->reg_for_notify.char_id,
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¬ify_descr_id,
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sizeof(notify_en),
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(uint8_t *)¬ify_en,
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ESP_GATT_WRITE_TYPE_RSP,
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ESP_GATT_AUTH_REQ_NONE);
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break;
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}
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case ESP_GATTC_NOTIFY_EVT:
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ESP_LOGI(GATTC_TAG, "NOTIFY: len %d, value %08x\n", p_data->notify.value_len, *(uint32_t *)p_data->notify.value);
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break;
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case ESP_GATTC_WRITE_DESCR_EVT:
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ESP_LOGI(GATTC_TAG, "WRITE: status %d\n", p_data->write.status);
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break;
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default:
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break;
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}
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}
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static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
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{
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uint8_t *adv_name = NULL;
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uint8_t adv_name_len = 0;
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switch (event) {
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case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT: {
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//the unit of the duration is second
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uint32_t duration = 10;
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esp_ble_gap_start_scanning(duration);
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break;
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}
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case ESP_GAP_BLE_SCAN_START_COMPLETE_EVT:
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//scan start complete event to indicate scan start successfully or failed
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if (param->scan_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
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ESP_LOGE(GATTC_TAG, "Scan start failed\n");
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}
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break;
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case ESP_GAP_BLE_SCAN_RESULT_EVT: {
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esp_ble_gap_cb_param_t *scan_result = (esp_ble_gap_cb_param_t *)param;
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switch (scan_result->scan_rst.search_evt) {
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case ESP_GAP_SEARCH_INQ_RES_EVT:
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for (int i = 0; i < 6; i++) {
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ESP_LOGI(GATTC_TAG, "%x:", scan_result->scan_rst.bda[i]);
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}
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ESP_LOGI(GATTC_TAG, "\n");
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adv_name = esp_ble_resolve_adv_data(scan_result->scan_rst.ble_adv,
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ESP_BLE_AD_TYPE_NAME_CMPL, &adv_name_len);
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ESP_LOGI(GATTC_TAG, "Searched Device Name Len %d\n", adv_name_len);
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for (int j = 0; j < adv_name_len; j++) {
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ESP_LOGI(GATTC_TAG, "%c", adv_name[j]);
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}
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if (adv_name != NULL) {
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if (strcmp((char *)adv_name, device_name) == 0) {
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ESP_LOGI(GATTC_TAG, "Searched device %s\n", device_name);
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if (connect == false) {
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connect = true;
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ESP_LOGI(GATTC_TAG, "Connect to the remote device.\n");
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esp_ble_gap_stop_scanning();
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esp_ble_gattc_open(gl_profile_tab[PROFILE_A_APP_ID].gattc_if, scan_result->scan_rst.bda, true);
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esp_ble_gattc_open(gl_profile_tab[PROFILE_B_APP_ID].gattc_if, scan_result->scan_rst.bda, true);
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}
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}
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}
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break;
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case ESP_GAP_SEARCH_INQ_CMPL_EVT:
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break;
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default:
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break;
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}
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break;
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}
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default:
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break;
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}
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}
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static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param)
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{
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ESP_LOGI(GATTC_TAG, "EVT %d, gattc if %d\n", event, gattc_if);
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/* If event is register event, store the gattc_if for each profile */
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if (event == ESP_GATTC_REG_EVT) {
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if (param->reg.status == ESP_GATT_OK) {
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gl_profile_tab[param->reg.app_id].gattc_if = gattc_if;
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} else {
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ESP_LOGI(GATTC_TAG, "Reg app failed, app_id %04x, status %d\n",
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param->reg.app_id,
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param->reg.status);
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return;
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}
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}
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/* If the gattc_if equal to profile A, call profile A cb handler,
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* so here call each profile's callback */
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do {
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int idx;
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for (idx = 0; idx < PROFILE_NUM; idx++) {
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if (gattc_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
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gattc_if == gl_profile_tab[idx].gattc_if) {
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if (gl_profile_tab[idx].gattc_cb) {
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gl_profile_tab[idx].gattc_cb(event, gattc_if, param);
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}
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}
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}
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} while (0);
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}
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void ble_client_appRegister(void)
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{
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esp_err_t status;
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ESP_LOGI(GATTC_TAG, "register callback\n");
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//register the scan callback function to the gap moudule
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if ((status = esp_ble_gap_register_callback(esp_gap_cb)) != ESP_OK) {
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ESP_LOGE(GATTC_TAG, "gap register error, error code = %x\n", status);
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return;
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}
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//register the callback function to the gattc module
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if ((status = esp_ble_gattc_register_callback(esp_gattc_cb)) != ESP_OK) {
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ESP_LOGE(GATTC_TAG, "gattc register error, error code = %x\n", status);
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return;
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}
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esp_ble_gattc_app_register(PROFILE_A_APP_ID);
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esp_ble_gattc_app_register(PROFILE_B_APP_ID);
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}
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|
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void gattc_client_test(void)
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{
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esp_bluedroid_init();
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esp_bluedroid_enable();
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ble_client_appRegister();
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}
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|
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void app_main()
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{
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esp_bt_controller_init();
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esp_bt_controller_enable(ESP_BT_MODE_BTDM);
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|
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gattc_client_test();
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}
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