192 lines
6.5 KiB
C
192 lines
6.5 KiB
C
/*
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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/****************************************************************************
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*
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* This file is for iBeacon demo. It supports both iBeacon sender and receiver
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* which is distinguished by macros IBEACON_SENDER and IBEACON_RECEIVER,
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*
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* iBeacon is a trademark of Apple Inc. Before building devices which use iBeacon technology,
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* visit https://developer.apple.com/ibeacon/ to obtain a license.
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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 "nvs_flash.h"
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#include "esp_bt.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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#include "esp_bt_defs.h"
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#include "esp_ibeacon_api.h"
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#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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static const char* DEMO_TAG = "IBEACON_DEMO";
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extern esp_ble_ibeacon_vendor_t vendor_config;
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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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#if (IBEACON_MODE == IBEACON_RECEIVER)
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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 = BLE_ADDR_TYPE_PUBLIC,
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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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.scan_duplicate = BLE_SCAN_DUPLICATE_DISABLE
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};
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#elif (IBEACON_MODE == IBEACON_SENDER)
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static esp_ble_adv_params_t ble_adv_params = {
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.adv_int_min = 0x20,
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.adv_int_max = 0x40,
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.adv_type = ADV_TYPE_NONCONN_IND,
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.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
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.channel_map = ADV_CHNL_ALL,
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.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
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};
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#endif
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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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esp_err_t err;
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switch (event) {
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case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:{
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#if (IBEACON_MODE == IBEACON_SENDER)
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esp_ble_gap_start_advertising(&ble_adv_params);
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#endif
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break;
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}
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case ESP_GAP_BLE_SCAN_PARAM_SET_COMPLETE_EVT: {
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#if (IBEACON_MODE == IBEACON_RECEIVER)
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//the unit of the duration is second, 0 means scan permanently
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uint32_t duration = 0;
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esp_ble_gap_start_scanning(duration);
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#endif
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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 ((err = param->scan_start_cmpl.status) != ESP_BT_STATUS_SUCCESS) {
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ESP_LOGE(DEMO_TAG, "Scan start failed: %s", esp_err_to_name(err));
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}
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break;
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case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
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//adv start complete event to indicate adv start successfully or failed
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if ((err = param->adv_start_cmpl.status) != ESP_BT_STATUS_SUCCESS) {
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ESP_LOGE(DEMO_TAG, "Adv start failed: %s", esp_err_to_name(err));
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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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/* Search for BLE iBeacon Packet */
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if (esp_ble_is_ibeacon_packet(scan_result->scan_rst.ble_adv, scan_result->scan_rst.adv_data_len)){
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esp_ble_ibeacon_t *ibeacon_data = (esp_ble_ibeacon_t*)(scan_result->scan_rst.ble_adv);
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ESP_LOGI(DEMO_TAG, "----------iBeacon Found----------");
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esp_log_buffer_hex("IBEACON_DEMO: Device address:", scan_result->scan_rst.bda, ESP_BD_ADDR_LEN );
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esp_log_buffer_hex("IBEACON_DEMO: Proximity UUID:", ibeacon_data->ibeacon_vendor.proximity_uuid, ESP_UUID_LEN_128);
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uint16_t major = ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.major);
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uint16_t minor = ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.minor);
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ESP_LOGI(DEMO_TAG, "Major: 0x%04x (%d)", major, major);
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ESP_LOGI(DEMO_TAG, "Minor: 0x%04x (%d)", minor, minor);
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ESP_LOGI(DEMO_TAG, "Measured power (RSSI at a 1m distance):%d dbm", ibeacon_data->ibeacon_vendor.measured_power);
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ESP_LOGI(DEMO_TAG, "RSSI of packet:%d dbm", scan_result->scan_rst.rssi);
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}
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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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case ESP_GAP_BLE_SCAN_STOP_COMPLETE_EVT:
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if ((err = param->scan_stop_cmpl.status) != ESP_BT_STATUS_SUCCESS){
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ESP_LOGE(DEMO_TAG, "Scan stop failed: %s", esp_err_to_name(err));
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}
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else {
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ESP_LOGI(DEMO_TAG, "Stop scan successfully");
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}
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break;
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case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
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if ((err = param->adv_stop_cmpl.status) != ESP_BT_STATUS_SUCCESS){
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ESP_LOGE(DEMO_TAG, "Adv stop failed: %s", esp_err_to_name(err));
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}
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else {
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ESP_LOGI(DEMO_TAG, "Stop adv successfully");
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}
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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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void ble_ibeacon_appRegister(void)
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{
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esp_err_t status;
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ESP_LOGI(DEMO_TAG, "register callback");
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//register the scan callback function to the gap module
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if ((status = esp_ble_gap_register_callback(esp_gap_cb)) != ESP_OK) {
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ESP_LOGE(DEMO_TAG, "gap register error: %s", esp_err_to_name(status));
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return;
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}
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}
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void ble_ibeacon_init(void)
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{
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esp_bluedroid_init();
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esp_bluedroid_enable();
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ble_ibeacon_appRegister();
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}
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void app_main()
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{
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ESP_ERROR_CHECK(nvs_flash_init());
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ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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esp_bt_controller_init(&bt_cfg);
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esp_bt_controller_enable(ESP_BT_MODE_BLE);
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ble_ibeacon_init();
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/* set scan parameters */
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#if (IBEACON_MODE == IBEACON_RECEIVER)
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esp_ble_gap_set_scan_params(&ble_scan_params);
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#elif (IBEACON_MODE == IBEACON_SENDER)
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esp_ble_ibeacon_t ibeacon_adv_data;
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esp_err_t status = esp_ble_config_ibeacon_data (&vendor_config, &ibeacon_adv_data);
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if (status == ESP_OK){
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esp_ble_gap_config_adv_data_raw((uint8_t*)&ibeacon_adv_data, sizeof(ibeacon_adv_data));
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}
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else {
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ESP_LOGE(DEMO_TAG, "Config iBeacon data failed: %s\n", esp_err_to_name(status));
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}
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#endif
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}
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