79 lines
2.6 KiB
C
79 lines
2.6 KiB
C
|
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
*
|
||
|
|
* This file is for iBeacon APIs. It supports both iBeacon encode and decode.
|
||
|
|
*
|
||
|
|
* iBeacon is a trademark of Apple Inc. Before building devices which use iBeacon technology,
|
||
|
|
* visit https://developer.apple.com/ibeacon/ to obtain a license.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
#include "esp_gap_ble_api.h"
|
||
|
|
#include "esp_ibeacon_api.h"
|
||
|
|
|
||
|
|
|
||
|
|
const uint8_t uuid_zeros[ESP_UUID_LEN_128] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
|
||
|
|
|
||
|
|
/* For iBeacon packet format, please refer to Apple "Proximity Beacon Specification" doc */
|
||
|
|
/* Constant part of iBeacon data */
|
||
|
|
esp_ble_ibeacon_head_t ibeacon_common_head = {
|
||
|
|
.flags = {0x02, 0x01, 0x06},
|
||
|
|
.length = 0x1A,
|
||
|
|
.type = 0xFF,
|
||
|
|
.company_id = 0x004C,
|
||
|
|
.beacon_type = 0x1502
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Vendor part of iBeacon data*/
|
||
|
|
esp_ble_ibeacon_vendor_t vendor_config = {
|
||
|
|
.proximity_uuid = ESP_UUID,
|
||
|
|
.major = ENDIAN_CHANGE_U16(ESP_MAJOR), //Major=ESP_MAJOR
|
||
|
|
.minor = ENDIAN_CHANGE_U16(ESP_MINOR), //Minor=ESP_MINOR
|
||
|
|
.measured_power = 0xC5
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOLEAN esp_ble_is_ibeacon_packet (uint8_t *adv_data, uint8_t adv_data_len){
|
||
|
|
BOOLEAN result = FALSE;
|
||
|
|
|
||
|
|
if ((adv_data != NULL) && (adv_data_len == 0x1E)){
|
||
|
|
if (!memcmp(adv_data, (uint8_t*)&ibeacon_common_head, sizeof(ibeacon_common_head))){
|
||
|
|
result = TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t esp_ble_config_ibeacon_data (esp_ble_ibeacon_vendor_t *vendor_config, esp_ble_ibeacon_t *ibeacon_adv_data){
|
||
|
|
if ((vendor_config == NULL) || (ibeacon_adv_data == NULL) || (!memcmp(vendor_config->proximity_uuid, uuid_zeros, sizeof(uuid_zeros)))){
|
||
|
|
return ESP_ERR_INVALID_ARG;
|
||
|
|
}
|
||
|
|
|
||
|
|
memcpy(&ibeacon_adv_data->ibeacon_head, &ibeacon_common_head, sizeof(esp_ble_ibeacon_head_t));
|
||
|
|
memcpy(&ibeacon_adv_data->ibeacon_vendor, vendor_config, sizeof(esp_ble_ibeacon_vendor_t));
|
||
|
|
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|